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45 Commits

Author SHA1 Message Date
orange d7ec571a7a patch 2026-06-29 10:14:03 +03:00
orange 235917008c removed stff 2026-06-29 09:54:34 +03:00
orange 71e256d033 added static method 2026-06-26 02:04:34 +03:00
orange 306096af14 fixed stuffed 2026-06-22 06:31:56 +03:00
orange 502cfb431c added final 2026-06-22 06:21:54 +03:00
orange 8ccc9459d4 added additional method 2026-06-22 06:07:56 +03:00
orange 2ee485297f added more nodiscard messages 2026-06-22 03:48:44 +03:00
orange 6a5771e57d removed second FixedString 2026-06-19 02:03:17 +03:00
orange 58c082d399 improved some stuff 2026-06-19 01:54:53 +03:00
orange 11e6f67e23 added more noexcept 2026-06-19 01:09:53 +03:00
orange d7f9ab6e85 added noexcept 2026-06-19 01:09:31 +03:00
orange ceecdde9dc added hash 2026-06-19 01:05:36 +03:00
va_alpatov a546c1a6d1 added template hash 2026-06-19 01:01:27 +03:00
orange 8a591ce769 added nodiscard message 2026-06-15 22:27:12 +03:00
orange b0561c193e fix 2026-06-15 22:22:19 +03:00
orange fee4e4b9e3 added even more missing nodiscard messages 2026-06-15 20:31:57 +03:00
orange 2779bae82f added nodiscard messages 2026-06-15 20:22:35 +03:00
orange e82ec9c8ac removed useless inline keywords 2026-06-15 10:39:23 +03:00
orange 63ea93dc1c Merge pull request #198 from orange-cpp/feature/gcem
Feature/gcem
2026-06-15 01:17:23 +03:00
orange 10f5d866bd removed redundant option 2026-06-15 00:57:03 +03:00
orange 92da8bf0a6 fix 2026-06-15 00:45:16 +03:00
orange 47dcee037e removed gcem as dep 2026-06-15 00:37:47 +03:00
orange 75c3f2409d added modules support 2026-06-14 23:57:58 +03:00
orange a2a09fa8a6 removed .cpp for engines since they are no longer used 2026-06-14 23:47:25 +03:00
orange 43823c8fdc fix 2026-06-14 23:26:24 +03:00
orange 098be538f7 fix 2026-06-14 23:17:48 +03:00
orange 91d9335f83 added constexpr engine traits 2026-06-14 22:46:24 +03:00
orange 136cd39496 fix 2026-06-14 22:30:26 +03:00
orange bb618f692f added wrapers 2026-06-14 22:16:39 +03:00
orange 792fb13851 patch 2026-06-12 01:12:13 +03:00
orange 2d38387da9 fix 2026-06-12 01:05:14 +03:00
orange 5f14510e5b made constexpr cryengine camera & fromulas 2026-06-12 00:52:22 +03:00
orange 4a9125549f patch 2026-06-12 00:09:14 +03:00
orange d9acf5eea8 fix 2026-06-12 00:04:12 +03:00
orange 589f440e70 added gcem to pipelines 2026-06-11 23:54:53 +03:00
orange 854b50f317 added mat tests and triangle tests 2026-06-11 23:49:03 +03:00
orange a741fc1485 now add constexpr gcem tests for triangle and mat classes 2026-06-11 23:41:07 +03:00
orange a2be99be50 added more gcem to angle vec2,3 2026-06-11 23:20:18 +03:00
orange 00e7c564fd added gcem 2026-06-11 16:18:52 +03:00
orange 5d9dbec5b8 reverted fix 2026-06-10 15:22:31 +03:00
orange a2c9084e5f incremented version + improved naming 2026-06-10 14:29:18 +03:00
orange ad2523dc3a Merge pull request #197 from orange-cpp/feature/compile_time_patten_parsing
Feature/compile time patten parsing
2026-06-10 05:41:03 +03:00
orange 3599a7d592 fix 2026-06-10 05:22:04 +03:00
orange 00287c7a58 improved file scanners 2026-06-10 04:29:52 +03:00
orange ce589b4f17 added compile time pattern parsing 2026-06-10 04:09:13 +03:00
92 changed files with 3675 additions and 1918 deletions
+22
View File
@@ -33,6 +33,7 @@ option(OMATH_ENABLE_FORCE_INLINE
option(OMATH_ENABLE_LUA
"omath bindings for lua" OFF)
option(OMATH_ENABLE_HOOKING "omath will HooksManager that can hook DirectX/OpenGL automatically" OFF)
option(OMATH_ENABLE_MODULES "Build omath C++ module interface" OFF)
if(VCPKG_MANIFEST_FEATURES)
foreach(omath_feature IN LISTS VCPKG_MANIFEST_FEATURES)
@@ -80,6 +81,7 @@ if(${PROJECT_IS_TOP_LEVEL})
message(STATUS "[${PROJECT_NAME}]: Coverage feature status ${OMATH_ENABLE_COVERAGE}")
message(STATUS "[${PROJECT_NAME}]: Valgrind feature status ${OMATH_ENABLE_VALGRIND}")
message(STATUS "[${PROJECT_NAME}]: Lua feature status ${OMATH_ENABLE_LUA}")
message(STATUS "[${PROJECT_NAME}]: Modules feature status ${OMATH_ENABLE_MODULES}")
endif()
if(OMATH_STATIC_MSVC_RUNTIME_LIBRARY)
@@ -95,6 +97,20 @@ else()
add_library(${PROJECT_NAME} STATIC ${OMATH_SOURCES} ${OMATH_HEADERS})
endif()
if(OMATH_ENABLE_MODULES)
if(CMAKE_VERSION VERSION_LESS 3.28)
message(FATAL_ERROR "OMATH_ENABLE_MODULES requires CMake 3.28 or newer")
endif()
set_target_properties(${PROJECT_NAME} PROPERTIES CXX_SCAN_FOR_MODULES ON)
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
target_compile_options(${PROJECT_NAME} PRIVATE /wd5244)
endif()
target_sources(
${PROJECT_NAME}
PUBLIC FILE_SET omath_modules TYPE CXX_MODULES BASE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/modules"
FILES "${CMAKE_CURRENT_SOURCE_DIR}/modules/omath.cppm")
endif()
if (OMATH_ENABLE_LUA)
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_ENABLE_LUA)
@@ -120,6 +136,7 @@ if (OMATH_ENABLE_HOOKING)
endif ()
endif ()
add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_VERSION="${PROJECT_VERSION}")
@@ -229,6 +246,10 @@ target_include_directories(
# Installation rules
if(OMATH_ENABLE_MODULES)
set(OMATH_MODULE_FILE_SET FILE_SET omath_modules DESTINATION modules)
endif()
# Install the library
install(
TARGETS ${PROJECT_NAME}
@@ -237,6 +258,7 @@ install(
LIBRARY DESTINATION lib COMPONENT ${PROJECT_NAME} # For shared libraries
RUNTIME DESTINATION bin COMPONENT ${PROJECT_NAME} # For executables (on
# Windows)
${OMATH_MODULE_FILE_SET}
)
# Install headers as part of omath_component
+2 -1
View File
@@ -4,7 +4,8 @@ Thanks to everyone who made this possible, including:
- Saikari aka luadebug for VCPKG port and awesome new initial logo design.
- Billy O'Neal aka BillyONeal for fixing compilation issues due to C math library compatibility.
- Alex2772 for reference of AUI declarative interface design for omath::hud
- Alex2772 for reference of AUI declarative interface design for omath::hud.
- Keith O'Hara aka kthohr for a C++ generalized constant expression-based math library that was used as reference.
And a big hand to everyone else who has contributed over the past!
+1 -1
View File
@@ -1 +1 @@
5.2.0
5.4.0
+26 -6
View File
@@ -4,17 +4,28 @@
#pragma once
#include "omath/linear_algebra/vector3.hpp"
#include <array>
namespace omath::primitives
{
enum class UpAxis { X, Y, Z };
enum class UpAxis
{
X,
Y,
Z
};
template<class Type>
template<class Type, UpAxis Up = UpAxis::Y>
struct Aabb final
{
Vector3<Type> min;
Vector3<Type> max;
[[nodiscard]]
static consteval UpAxis get_up_axis()
{
return Up;
}
[[nodiscard]]
constexpr Vector3<Type> center() const noexcept
{
@@ -27,7 +38,6 @@ namespace omath::primitives
return (max - min) / static_cast<Type>(2);
}
template<UpAxis Up = UpAxis::Y>
[[nodiscard]]
constexpr Vector3<Type> top() const noexcept
{
@@ -42,7 +52,6 @@ namespace omath::primitives
std::unreachable();
}
template<UpAxis Up = UpAxis::Y>
[[nodiscard]]
constexpr Vector3<Type> bottom() const noexcept
{
@@ -57,11 +66,22 @@ namespace omath::primitives
std::unreachable();
}
[[nodiscard]]
constexpr std::array<Vector3<Type>, 8> vertices() const noexcept
{
return {
Vector3<Type>{min.x, min.y, min.z}, Vector3<Type>{max.x, min.y, min.z},
Vector3<Type>{min.x, max.y, min.z}, Vector3<Type>{max.x, max.y, min.z},
Vector3<Type>{min.x, min.y, max.z}, Vector3<Type>{max.x, min.y, max.z},
Vector3<Type>{min.x, max.y, max.z}, Vector3<Type>{max.x, max.y, max.z},
};
}
[[nodiscard]]
constexpr bool is_collide(const Aabb& other) const noexcept
{
return min.x <= other.max.x && max.x >= other.min.x &&
min.y <= other.max.y && max.y >= other.min.y &&min.z <= other.max.z && max.z >= other.min.z;
return min.x <= other.max.x && max.x >= other.min.x && min.y <= other.max.y && max.y >= other.min.y
&& min.z <= other.max.z && max.z >= other.min.z;
}
};
} // namespace omath::primitives
+75 -24
View File
@@ -7,36 +7,87 @@
namespace omath::cry_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard("forward vector result should not be discarded")]]
constexpr Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard("right vector result should not be discarded")]]
constexpr Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Vector3<float> extract_origin(const Mat4X4& mat) noexcept;
[[nodiscard("up vector result should not be discarded")]]
constexpr Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
[[nodiscard]]
Vector3<float> extract_scale(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept;
[[nodiscard("view matrix result should not be discarded")]]
constexpr Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far,
NDCDepthRange ndc_depth_range = NDCDepthRange::ZERO_TO_ONE) noexcept;
[[nodiscard("origin result should not be discarded")]]
constexpr Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
[[nodiscard("scale result should not be discarded")]]
constexpr Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
[[nodiscard("rotation angles result should not be discarded")]]
constexpr ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(angles.y),
};
}
[[nodiscard("perspective projection matrix result should not be discarded")]]
constexpr Mat4X4
calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range = NDCDepthRange::ZERO_TO_ONE) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
std::unreachable();
}
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("centimeters value should not be discarded")]]
constexpr FloatingType units_to_centimeters(const FloatingType& units)
{
return units / static_cast<FloatingType>(100);
@@ -44,7 +95,7 @@ namespace omath::cry_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("meters value should not be discarded")]]
constexpr FloatingType units_to_meters(const FloatingType& units)
{
return units;
@@ -52,7 +103,7 @@ namespace omath::cry_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("kilometers value should not be discarded")]]
constexpr FloatingType units_to_kilometers(const FloatingType& units)
{
return units_to_meters(units) / static_cast<FloatingType>(1000);
@@ -60,7 +111,7 @@ namespace omath::cry_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
{
return centimeters * static_cast<FloatingType>(100);
@@ -68,7 +119,7 @@ namespace omath::cry_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType meters_to_units(const FloatingType& meters)
{
return meters;
@@ -76,7 +127,7 @@ namespace omath::cry_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
{
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
@@ -4,21 +4,36 @@
#pragma once
#include "omath/engines/cry_engine/formulas.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/projection/camera.hpp"
namespace omath::cry_engine
{
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard("look-at angle result should not be discarded")]]
constexpr static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin,
const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(internal::asin(direction.z)),
YawAngle::from_radians(-internal::atan2(direction.x, direction.y)), RollAngle::from_radians(0.f)};
}
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far, NDCDepthRange ndc_depth_range) noexcept;
[[nodiscard("view matrix result should not be discarded")]]
constexpr static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return cry_engine::calc_view_matrix(angles, cam_origin);
}
[[nodiscard("projection matrix result should not be discarded")]]
constexpr static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near_plane, far_plane,
ndc_depth_range);
}
};
} // namespace omath::cry_engine
} // namespace omath::cry_engine
@@ -10,7 +10,7 @@ namespace omath::cry_engine
class MeshTrait final
{
public:
[[nodiscard]]
[[nodiscard("rotation matrix result should not be discarded")]]
static Mat4X4 rotation_matrix(const ViewAngles& rotation)
{
return cry_engine::rotation_matrix(rotation);
@@ -12,6 +12,7 @@ namespace omath::cry_engine
class PredEngineTrait final
{
public:
[[nodiscard("projectile position result should not be discarded")]]
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile<float>& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
@@ -25,7 +26,7 @@ namespace omath::cry_engine
return current_pos;
}
[[nodiscard]]
[[nodiscard("target position result should not be discarded")]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target<float>& target,
const float time, const float gravity) noexcept
{
@@ -36,19 +37,19 @@ namespace omath::cry_engine
return predicted;
}
[[nodiscard]]
[[nodiscard("2d distance result should not be discarded")]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.y * delta.y);
}
[[nodiscard]]
[[nodiscard("height coordinate result should not be discarded")]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.z;
}
[[nodiscard]]
[[nodiscard("viewpoint result should not be discarded")]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile<float>& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
@@ -60,13 +61,13 @@ namespace omath::cry_engine
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
[[nodiscard("pitch angle result should not be discarded")]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.z));
}
[[nodiscard]]
[[nodiscard("yaw angle result should not be discarded")]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
@@ -7,36 +7,91 @@
namespace omath::frostbite_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard("forward vector result should not be discarded")]]
constexpr Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard("right vector result should not be discarded")]]
constexpr Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Vector3<float> extract_origin(const Mat4X4& mat) noexcept;
[[nodiscard("up vector result should not be discarded")]]
constexpr Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
[[nodiscard]]
Vector3<float> extract_scale(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept;
[[nodiscard("view matrix result should not be discarded")]]
constexpr Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far,
NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
[[nodiscard("origin result should not be discarded")]]
constexpr Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
[[nodiscard("scale result should not be discarded")]]
constexpr Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
[[nodiscard("rotation angles result should not be discarded")]]
constexpr ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.y),
RollAngle::from_degrees(angles.z),
};
}
[[nodiscard("perspective projection matrix result should not be discarded")]]
constexpr Mat4X4 calc_perspective_projection_matrix(
const float field_of_view, const float aspect_ratio, const float near_plane, const float far_plane,
const NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
std::unreachable();
}
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("centimeters value should not be discarded")]]
constexpr FloatingType units_to_centimeters(const FloatingType& units)
{
return units / static_cast<FloatingType>(100);
@@ -44,7 +99,7 @@ namespace omath::frostbite_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("meters value should not be discarded")]]
constexpr FloatingType units_to_meters(const FloatingType& units)
{
return units;
@@ -52,7 +107,7 @@ namespace omath::frostbite_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("kilometers value should not be discarded")]]
constexpr FloatingType units_to_kilometers(const FloatingType& units)
{
return units_to_meters(units) / static_cast<FloatingType>(1000);
@@ -60,7 +115,7 @@ namespace omath::frostbite_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
{
return centimeters * static_cast<FloatingType>(100);
@@ -68,7 +123,7 @@ namespace omath::frostbite_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType meters_to_units(const FloatingType& meters)
{
return meters;
@@ -76,7 +131,7 @@ namespace omath::frostbite_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
{
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
@@ -4,6 +4,7 @@
#pragma once
#include "omath/engines/frostbite_engine/formulas.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/projection/camera.hpp"
namespace omath::frostbite_engine
@@ -11,14 +12,30 @@ namespace omath::frostbite_engine
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard("look-at angle result should not be discarded")]]
constexpr static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin,
const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far, NDCDepthRange ndc_depth_range) noexcept;
return {PitchAngle::from_radians(-internal::asin(direction.y)),
YawAngle::from_radians(internal::atan2(direction.x, direction.z)), RollAngle::from_radians(0.f)};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return frostbite_engine::calc_view_matrix(angles, cam_origin);
}
[[nodiscard("projection matrix result should not be discarded")]]
constexpr static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near_plane, far_plane,
ndc_depth_range);
}
};
} // namespace omath::unreal_engine
} // namespace omath::frostbite_engine
@@ -10,7 +10,7 @@ namespace omath::frostbite_engine
class MeshTrait final
{
public:
[[nodiscard]]
[[nodiscard("rotation matrix result should not be discarded")]]
static Mat4X4 rotation_matrix(const ViewAngles& rotation)
{
return frostbite_engine::rotation_matrix(rotation);
@@ -12,6 +12,7 @@ namespace omath::frostbite_engine
class PredEngineTrait final
{
public:
[[nodiscard("projectile position result should not be discarded")]]
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile<float>& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
@@ -25,7 +26,7 @@ namespace omath::frostbite_engine
return current_pos;
}
[[nodiscard]]
[[nodiscard("target position result should not be discarded")]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target<float>& target,
const float time, const float gravity) noexcept
{
@@ -36,19 +37,19 @@ namespace omath::frostbite_engine
return predicted;
}
[[nodiscard]]
[[nodiscard("2d distance result should not be discarded")]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.z * delta.z);
}
[[nodiscard]]
[[nodiscard("height coordinate result should not be discarded")]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.y;
}
[[nodiscard]]
[[nodiscard("viewpoint result should not be discarded")]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile<float>& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
@@ -60,13 +61,13 @@ namespace omath::frostbite_engine
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
[[nodiscard("pitch angle result should not be discarded")]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.y));
}
[[nodiscard]]
[[nodiscard("yaw angle result should not be discarded")]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
+77 -24
View File
@@ -7,36 +7,89 @@
namespace omath::iw_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard("forward vector result should not be discarded")]]
constexpr Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard("right vector result should not be discarded")]]
constexpr Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
[[nodiscard]]
Vector3<float> extract_origin(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Vector3<float> extract_scale(const Mat4X4& mat) noexcept;
[[nodiscard("up vector result should not be discarded")]]
constexpr Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
[[nodiscard]]
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z(angles.yaw) * mat_rotation_axis_y(angles.pitch) * mat_rotation_axis_x(angles.roll);
}
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far,
NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept;
[[nodiscard("origin result should not be discarded")]]
constexpr Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
[[nodiscard("scale result should not be discarded")]]
constexpr Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
[[nodiscard("rotation angles result should not be discarded")]]
constexpr ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.y),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(angles.x),
};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view(forward_vector(angles), right_vector(angles), up_vector(angles), cam_origin);
}
[[nodiscard("perspective projection matrix result should not be discarded")]]
constexpr Mat4X4 calc_perspective_projection_matrix(
const float field_of_view, const float aspect_ratio, const float near_plane, const float far_plane,
const NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept
{
constexpr float k_source_reference_aspect = 4.f / 3.f;
const auto vertical_fov = angles::horizontal_fov_to_vertical(field_of_view, k_source_reference_aspect);
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
vertical_fov, aspect_ratio, near_plane, far_plane);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
vertical_fov, aspect_ratio, near_plane, far_plane);
std::unreachable();
}
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("centimeters value should not be discarded")]]
constexpr FloatingType units_to_centimeters(const FloatingType& units)
{
constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
@@ -45,7 +98,7 @@ namespace omath::iw_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("meters value should not be discarded")]]
constexpr FloatingType units_to_meters(const FloatingType& units)
{
return units_to_centimeters(units) / static_cast<FloatingType>(100);
@@ -53,7 +106,7 @@ namespace omath::iw_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("kilometers value should not be discarded")]]
constexpr FloatingType units_to_kilometers(const FloatingType& units)
{
return units_to_meters(units) / static_cast<FloatingType>(1000);
@@ -61,7 +114,7 @@ namespace omath::iw_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
{
constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
@@ -70,7 +123,7 @@ namespace omath::iw_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType meters_to_units(const FloatingType& meters)
{
return centimeters_to_units(meters * static_cast<FloatingType>(100));
@@ -78,7 +131,7 @@ namespace omath::iw_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
{
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
@@ -3,7 +3,8 @@
//
#pragma once
#include "omath/engines/iw_engine/constants.hpp"
#include "omath/engines/iw_engine/formulas.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/projection/camera.hpp"
namespace omath::iw_engine
@@ -11,14 +12,30 @@ namespace omath::iw_engine
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard("look-at angle result should not be discarded")]]
constexpr static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin,
const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far, NDCDepthRange ndc_depth_range) noexcept;
return {PitchAngle::from_radians(-internal::asin(direction.z)),
YawAngle::from_radians(internal::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return iw_engine::calc_view_matrix(angles, cam_origin);
}
[[nodiscard("projection matrix result should not be discarded")]]
constexpr static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near_plane, far_plane,
ndc_depth_range);
}
};
} // namespace omath::iw_engine
} // namespace omath::iw_engine
@@ -10,7 +10,7 @@ namespace omath::iw_engine
class MeshTrait final
{
public:
[[nodiscard]]
[[nodiscard("rotation matrix result should not be discarded")]]
static Mat4X4 rotation_matrix(const ViewAngles& rotation)
{
return iw_engine::rotation_matrix(rotation);
@@ -13,6 +13,7 @@ namespace omath::iw_engine
class PredEngineTrait final
{
public:
[[nodiscard("projectile position result should not be discarded")]]
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile<float>& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
@@ -26,7 +27,7 @@ namespace omath::iw_engine
return current_pos;
}
[[nodiscard]]
[[nodiscard("target position result should not be discarded")]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target<float>& target,
const float time, const float gravity) noexcept
{
@@ -37,19 +38,19 @@ namespace omath::iw_engine
return predicted;
}
[[nodiscard]]
[[nodiscard("2d distance result should not be discarded")]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.y * delta.y);
}
[[nodiscard]]
[[nodiscard("height coordinate result should not be discarded")]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.z;
}
[[nodiscard]]
[[nodiscard("viewpoint result should not be discarded")]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile<float>& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
@@ -61,7 +62,7 @@ namespace omath::iw_engine
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
[[nodiscard("pitch angle result should not be discarded")]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto distance = origin.distance_to(view_to);
@@ -69,7 +70,7 @@ namespace omath::iw_engine
return angles::radians_to_degrees(std::asin(delta.z / distance));
}
[[nodiscard]]
[[nodiscard("yaw angle result should not be discarded")]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto delta = view_to - origin;
@@ -6,36 +6,93 @@
namespace omath::opengl_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard("forward vector result should not be discarded")]]
constexpr Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec =
rotation_matrix(angles) * mat_column_from_vector<float, MatStoreType::COLUMN_MAJOR>(k_abs_forward);
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard("right vector result should not be discarded")]]
constexpr Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec =
rotation_matrix(angles) * mat_column_from_vector<float, MatStoreType::COLUMN_MAJOR>(k_abs_right);
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Vector3<float> extract_origin(const Mat4X4& mat) noexcept;
[[nodiscard("up vector result should not be discarded")]]
constexpr Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector<float, MatStoreType::COLUMN_MAJOR>(k_abs_up);
[[nodiscard]]
Vector3<float> extract_scale(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept;
[[nodiscard("view matrix result should not be discarded")]]
constexpr Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_look_at_right_handed(cam_origin, cam_origin + forward_vector(angles), up_vector(angles));
}
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far,
NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::COLUMN_MAJOR>(angles.roll)
* mat_rotation_axis_y<float, MatStoreType::COLUMN_MAJOR>(angles.yaw)
* mat_rotation_axis_x<float, MatStoreType::COLUMN_MAJOR>(angles.pitch);
}
[[nodiscard("origin result should not be discarded")]]
constexpr Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
[[nodiscard("scale result should not be discarded")]]
constexpr Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
[[nodiscard("rotation angles result should not be discarded")]]
constexpr ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.y),
RollAngle::from_degrees(angles.z),
};
}
[[nodiscard("perspective projection matrix result should not be discarded")]]
constexpr Mat4X4 calc_perspective_projection_matrix(
const float field_of_view, const float aspect_ratio, const float near_plane, const float far_plane,
const NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept
{
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_right_handed_vertical_fov<float, MatStoreType::COLUMN_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_right_handed_vertical_fov<float, MatStoreType::COLUMN_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(field_of_view, aspect_ratio,
near_plane, far_plane);
std::unreachable();
}
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("centimeters value should not be discarded")]]
constexpr FloatingType units_to_centimeters(const FloatingType& units)
{
return units / static_cast<FloatingType>(100);
@@ -43,7 +100,7 @@ namespace omath::opengl_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("meters value should not be discarded")]]
constexpr FloatingType units_to_meters(const FloatingType& units)
{
return units;
@@ -51,7 +108,7 @@ namespace omath::opengl_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("kilometers value should not be discarded")]]
constexpr FloatingType units_to_kilometers(const FloatingType& units)
{
return units_to_meters(units) / static_cast<FloatingType>(1000);
@@ -59,7 +116,7 @@ namespace omath::opengl_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
{
return centimeters * static_cast<FloatingType>(100);
@@ -67,7 +124,7 @@ namespace omath::opengl_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType meters_to_units(const FloatingType& meters)
{
return meters;
@@ -75,7 +132,7 @@ namespace omath::opengl_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
{
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
@@ -3,7 +3,8 @@
//
#pragma once
#include "omath/engines/opengl_engine/constants.hpp"
#include "omath/engines/opengl_engine/formulas.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/projection/camera.hpp"
namespace omath::opengl_engine
@@ -11,14 +12,30 @@ namespace omath::opengl_engine
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard("look-at angle result should not be discarded")]]
constexpr static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin,
const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far, NDCDepthRange ndc_depth_range) noexcept;
return {PitchAngle::from_radians(internal::asin(direction.y)),
YawAngle::from_radians(-internal::atan2(direction.x, -direction.z)), RollAngle::from_radians(0.f)};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return opengl_engine::calc_view_matrix(angles, cam_origin);
}
[[nodiscard("projection matrix result should not be discarded")]]
constexpr static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near_plane, far_plane,
ndc_depth_range);
}
};
} // namespace omath::opengl_engine
} // namespace omath::opengl_engine
@@ -10,7 +10,7 @@ namespace omath::opengl_engine
class MeshTrait final
{
public:
[[nodiscard]]
[[nodiscard("rotation matrix result should not be discarded")]]
static Mat4X4 rotation_matrix(const ViewAngles& rotation)
{
return opengl_engine::rotation_matrix(rotation);
@@ -12,6 +12,7 @@ namespace omath::opengl_engine
class PredEngineTrait final
{
public:
[[nodiscard("projectile position result should not be discarded")]]
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile<float>& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
@@ -25,7 +26,7 @@ namespace omath::opengl_engine
return current_pos;
}
[[nodiscard]]
[[nodiscard("target position result should not be discarded")]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target<float>& target,
const float time, const float gravity) noexcept
{
@@ -36,19 +37,19 @@ namespace omath::opengl_engine
return predicted;
}
[[nodiscard]]
[[nodiscard("2d distance result should not be discarded")]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.z * delta.z);
}
[[nodiscard]]
[[nodiscard("height coordinate result should not be discarded")]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.y;
}
[[nodiscard]]
[[nodiscard("viewpoint result should not be discarded")]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile<float>& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
@@ -60,13 +61,13 @@ namespace omath::opengl_engine
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
[[nodiscard("pitch angle result should not be discarded")]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.y));
}
[[nodiscard]]
[[nodiscard("yaw angle result should not be discarded")]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
+79 -24
View File
@@ -8,36 +8,91 @@
namespace omath::rage_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard("forward vector result should not be discarded")]]
constexpr Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard("right vector result should not be discarded")]]
constexpr Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Vector3<float> extract_origin(const Mat4X4& mat) noexcept;
[[nodiscard("up vector result should not be discarded")]]
constexpr Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
[[nodiscard]]
Vector3<float> extract_scale(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept;
[[nodiscard("view matrix result should not be discarded")]]
constexpr Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far,
NDCDepthRange ndc_depth_range = NDCDepthRange::ZERO_TO_ONE) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
[[nodiscard("origin result should not be discarded")]]
constexpr Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
[[nodiscard("scale result should not be discarded")]]
constexpr Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
[[nodiscard("rotation angles result should not be discarded")]]
constexpr ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(angles.y),
};
}
[[nodiscard("perspective projection matrix result should not be discarded")]]
constexpr Mat4X4
calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range = NDCDepthRange::ZERO_TO_ONE) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
std::unreachable();
}
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("centimeters value should not be discarded")]]
constexpr FloatingType units_to_centimeters(const FloatingType& units)
{
return units / static_cast<FloatingType>(100);
@@ -45,7 +100,7 @@ namespace omath::rage_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("meters value should not be discarded")]]
constexpr FloatingType units_to_meters(const FloatingType& units)
{
return units;
@@ -53,7 +108,7 @@ namespace omath::rage_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("kilometers value should not be discarded")]]
constexpr FloatingType units_to_kilometers(const FloatingType& units)
{
return units_to_meters(units) / static_cast<FloatingType>(1000);
@@ -61,7 +116,7 @@ namespace omath::rage_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
{
return centimeters * static_cast<FloatingType>(100);
@@ -69,7 +124,7 @@ namespace omath::rage_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType meters_to_units(const FloatingType& meters)
{
return meters;
@@ -77,7 +132,7 @@ namespace omath::rage_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
{
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
@@ -4,6 +4,7 @@
#pragma once
#include "omath/engines/rage_engine/formulas.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/projection/camera.hpp"
namespace omath::rage_engine
@@ -11,14 +12,30 @@ namespace omath::rage_engine
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard("look-at angle result should not be discarded")]]
constexpr static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin,
const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far, NDCDepthRange ndc_depth_range) noexcept;
return {PitchAngle::from_radians(internal::asin(direction.z)),
YawAngle::from_radians(-internal::atan2(direction.x, direction.y)), RollAngle::from_radians(0.f)};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return rage_engine::calc_view_matrix(angles, cam_origin);
}
[[nodiscard("projection matrix result should not be discarded")]]
constexpr static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near_plane, far_plane,
ndc_depth_range);
}
};
} // namespace omath::rage_engine
@@ -11,7 +11,7 @@ namespace omath::rage_engine
class MeshTrait final
{
public:
[[nodiscard]]
[[nodiscard("rotation matrix result should not be discarded")]]
static Mat4X4 rotation_matrix(const ViewAngles& rotation)
{
return rage_engine::rotation_matrix(rotation);
@@ -13,6 +13,7 @@ namespace omath::rage_engine
class PredEngineTrait final
{
public:
[[nodiscard("projectile position result should not be discarded")]]
constexpr static Vector3<float>
predict_projectile_position(const projectile_prediction::Projectile<float>& projectile, const float pitch,
const float yaw, const float time, const float gravity) noexcept
@@ -26,7 +27,7 @@ namespace omath::rage_engine
return current_pos;
}
[[nodiscard]]
[[nodiscard("target position result should not be discarded")]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target<float>& target,
const float time, const float gravity) noexcept
{
@@ -37,19 +38,19 @@ namespace omath::rage_engine
return predicted;
}
[[nodiscard]]
[[nodiscard("2d distance result should not be discarded")]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.y * delta.y);
}
[[nodiscard]]
[[nodiscard("height coordinate result should not be discarded")]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.z;
}
[[nodiscard]]
[[nodiscard("viewpoint result should not be discarded")]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile<float>& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
@@ -59,13 +60,13 @@ namespace omath::rage_engine
return {predicted_target_position.x, predicted_target_position.y, projectile.m_origin.z + height};
}
[[nodiscard]]
[[nodiscard("pitch angle result should not be discarded")]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.z));
}
[[nodiscard]]
[[nodiscard("yaw angle result should not be discarded")]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
@@ -6,36 +6,89 @@
namespace omath::source_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard("forward vector result should not be discarded")]]
constexpr Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
[[nodiscard]]
Vector3<float> extract_origin(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Vector3<float> extract_scale(const Mat4X4& mat) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z(angles.yaw) * mat_rotation_axis_y(angles.pitch) * mat_rotation_axis_x(angles.roll);
}
[[nodiscard]]
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept;
[[nodiscard("origin result should not be discarded")]]
constexpr Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard("scale result should not be discarded")]]
constexpr Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation angles result should not be discarded")]]
constexpr ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.y),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(angles.x),
};
}
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard("right vector result should not be discarded")]]
constexpr Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far,
NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard("up vector result should not be discarded")]]
constexpr Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view(forward_vector(angles), right_vector(angles), up_vector(angles), cam_origin);
}
[[nodiscard("perspective projection matrix result should not be discarded")]]
constexpr Mat4X4 calc_perspective_projection_matrix(
const float field_of_view, const float aspect_ratio, const float near_plane, const float far_plane,
const NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept
{
constexpr float k_source_reference_aspect = 4.f / 3.f;
const auto vertical_fov = angles::horizontal_fov_to_vertical(field_of_view, k_source_reference_aspect);
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
vertical_fov, aspect_ratio, near_plane, far_plane);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
vertical_fov, aspect_ratio, near_plane, far_plane);
std::unreachable();
}
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("centimeters value should not be discarded")]]
constexpr FloatingType units_to_centimeters(const FloatingType& units)
{
constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
@@ -44,7 +97,7 @@ namespace omath::source_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("meters value should not be discarded")]]
constexpr FloatingType units_to_meters(const FloatingType& units)
{
return units_to_centimeters(units) / static_cast<FloatingType>(100);
@@ -52,7 +105,7 @@ namespace omath::source_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("kilometers value should not be discarded")]]
constexpr FloatingType units_to_kilometers(const FloatingType& units)
{
return units_to_meters(units) / static_cast<FloatingType>(1000);
@@ -60,7 +113,7 @@ namespace omath::source_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
{
constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
@@ -69,7 +122,7 @@ namespace omath::source_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType meters_to_units(const FloatingType& meters)
{
return centimeters_to_units(meters * static_cast<FloatingType>(100));
@@ -77,7 +130,7 @@ namespace omath::source_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
{
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
@@ -3,7 +3,8 @@
//
#pragma once
#include "omath/engines/source_engine/constants.hpp"
#include "omath/engines/source_engine/formulas.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/projection/camera.hpp"
namespace omath::source_engine
@@ -11,14 +12,30 @@ namespace omath::source_engine
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard("look-at angle result should not be discarded")]]
constexpr static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin,
const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far, NDCDepthRange ndc_depth_range) noexcept;
return {PitchAngle::from_radians(-internal::asin(direction.z)),
YawAngle::from_radians(internal::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return source_engine::calc_view_matrix(angles, cam_origin);
}
[[nodiscard("projection matrix result should not be discarded")]]
constexpr static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near_plane, far_plane,
ndc_depth_range);
}
};
} // namespace omath::source_engine
} // namespace omath::source_engine
@@ -10,7 +10,7 @@ namespace omath::source_engine
class MeshTrait final
{
public:
[[nodiscard]]
[[nodiscard("rotation matrix result should not be discarded")]]
static Mat4X4 rotation_matrix(const ViewAngles& rotation)
{
return source_engine::rotation_matrix(rotation);
@@ -13,6 +13,7 @@ namespace omath::source_engine
class PredEngineTrait final
{
public:
[[nodiscard("projectile position result should not be discarded")]]
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile<float>& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
@@ -26,7 +27,7 @@ namespace omath::source_engine
return current_pos;
}
[[nodiscard]]
[[nodiscard("target position result should not be discarded")]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target<float>& target,
const float time, const float gravity) noexcept
{
@@ -37,19 +38,19 @@ namespace omath::source_engine
return predicted;
}
[[nodiscard]]
[[nodiscard("2d distance result should not be discarded")]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.y * delta.y);
}
[[nodiscard]]
[[nodiscard("height coordinate result should not be discarded")]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.z;
}
[[nodiscard]]
[[nodiscard("viewpoint result should not be discarded")]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile<float>& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
@@ -61,7 +62,7 @@ namespace omath::source_engine
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
[[nodiscard("pitch angle result should not be discarded")]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto distance = origin.distance_to(view_to);
@@ -69,7 +70,7 @@ namespace omath::source_engine
return angles::radians_to_degrees(std::asin(delta.z / distance));
}
[[nodiscard]]
[[nodiscard("yaw angle result should not be discarded")]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto delta = view_to - origin;
+78 -24
View File
@@ -7,36 +7,90 @@
namespace omath::unity_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard("forward vector result should not be discarded")]]
constexpr Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard("right vector result should not be discarded")]]
constexpr Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Vector3<float> extract_origin(const Mat4X4& mat) noexcept;
[[nodiscard("up vector result should not be discarded")]]
constexpr Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
[[nodiscard]]
Vector3<float> extract_scale(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept;
[[nodiscard("view matrix result should not be discarded")]]
constexpr Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(-forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far,
NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
[[nodiscard("origin result should not be discarded")]]
constexpr Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
[[nodiscard("scale result should not be discarded")]]
constexpr Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
[[nodiscard("rotation angles result should not be discarded")]]
constexpr ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.y),
RollAngle::from_degrees(angles.z),
};
}
[[nodiscard("perspective projection matrix result should not be discarded")]]
constexpr Mat4X4 calc_perspective_projection_matrix(
const float field_of_view, const float aspect_ratio, const float near_plane, const float far_plane,
const NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return omath::mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return omath::mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
std::unreachable();
}
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("centimeters value should not be discarded")]]
constexpr FloatingType units_to_centimeters(const FloatingType& units)
{
return units / static_cast<FloatingType>(100);
@@ -44,7 +98,7 @@ namespace omath::unity_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("meters value should not be discarded")]]
constexpr FloatingType units_to_meters(const FloatingType& units)
{
return units;
@@ -52,7 +106,7 @@ namespace omath::unity_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("kilometers value should not be discarded")]]
constexpr FloatingType units_to_kilometers(const FloatingType& units)
{
return units_to_meters(units) / static_cast<FloatingType>(1000);
@@ -60,7 +114,7 @@ namespace omath::unity_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
{
return centimeters * static_cast<FloatingType>(100);
@@ -68,7 +122,7 @@ namespace omath::unity_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType meters_to_units(const FloatingType& meters)
{
return meters;
@@ -76,7 +130,7 @@ namespace omath::unity_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
{
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
@@ -4,6 +4,7 @@
#pragma once
#include "omath/engines/unity_engine/formulas.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/projection/camera.hpp"
namespace omath::unity_engine
@@ -11,14 +12,30 @@ namespace omath::unity_engine
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard("look-at angle result should not be discarded")]]
constexpr static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin,
const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far, NDCDepthRange ndc_depth_range) noexcept;
return {PitchAngle::from_radians(-internal::asin(direction.y)),
YawAngle::from_radians(internal::atan2(direction.x, direction.z)), RollAngle::from_radians(0.f)};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return unity_engine::calc_view_matrix(angles, cam_origin);
}
[[nodiscard("projection matrix result should not be discarded")]]
constexpr static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near_plane,
const float far_plane,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near_plane, far_plane,
ndc_depth_range);
}
};
} // namespace omath::unity_engine
} // namespace omath::unity_engine
@@ -10,7 +10,7 @@ namespace omath::unity_engine
class MeshTrait final
{
public:
[[nodiscard]]
[[nodiscard("rotation matrix result should not be discarded")]]
static Mat4X4 rotation_matrix(const ViewAngles& rotation)
{
return unity_engine::rotation_matrix(rotation);
@@ -12,6 +12,7 @@ namespace omath::unity_engine
class PredEngineTrait final
{
public:
[[nodiscard("projectile position result should not be discarded")]]
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile<float>& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
@@ -25,7 +26,7 @@ namespace omath::unity_engine
return current_pos;
}
[[nodiscard]]
[[nodiscard("target position result should not be discarded")]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target<float>& target,
const float time, const float gravity) noexcept
{
@@ -36,19 +37,19 @@ namespace omath::unity_engine
return predicted;
}
[[nodiscard]]
[[nodiscard("2d distance result should not be discarded")]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.z * delta.z);
}
[[nodiscard]]
[[nodiscard("height coordinate result should not be discarded")]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.y;
}
[[nodiscard]]
[[nodiscard("viewpoint result should not be discarded")]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile<float>& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
@@ -60,13 +61,13 @@ namespace omath::unity_engine
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
[[nodiscard("pitch angle result should not be discarded")]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.y));
}
[[nodiscard]]
[[nodiscard("yaw angle result should not be discarded")]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
@@ -7,36 +7,90 @@
namespace omath::unreal_engine
{
[[nodiscard]]
Vector3<double> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<double> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard("forward vector result should not be discarded")]]
constexpr Vector3<double> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
[[nodiscard]]
Vector3<double> up_vector(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<double>& cam_origin) noexcept;
[[nodiscard("right vector result should not be discarded")]]
constexpr Vector3<double> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
Vector3<double> extract_origin(const Mat4X4& mat) noexcept;
[[nodiscard("up vector result should not be discarded")]]
constexpr Vector3<double> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
[[nodiscard]]
Vector3<double> extract_scale(const Mat4X4& mat) noexcept;
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
[[nodiscard]]
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept;
[[nodiscard("view matrix result should not be discarded")]]
constexpr Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<double>& cam_origin) noexcept
{
return mat_camera_view<double, MatStoreType::ROW_MAJOR>(forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(double field_of_view, double aspect_ratio, double near, double far,
NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept;
[[nodiscard("rotation matrix result should not be discarded")]]
constexpr Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<double, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_y<double, MatStoreType::ROW_MAJOR>(-angles.pitch)
* mat_rotation_axis_x<double, MatStoreType::ROW_MAJOR>(-angles.roll);
}
[[nodiscard("origin result should not be discarded")]]
constexpr Vector3<double> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
[[nodiscard("scale result should not be discarded")]]
constexpr Vector3<double> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
[[nodiscard("rotation angles result should not be discarded")]]
constexpr ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(-angles.y),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(-angles.x),
};
}
[[nodiscard("perspective projection matrix result should not be discarded")]]
constexpr Mat4X4 calc_perspective_projection_matrix(
const double field_of_view, const double aspect_ratio, const double near_plane, const double far_plane,
const NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_horizontal_fov<double, MatStoreType::ROW_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(field_of_view, aspect_ratio,
near_plane, far_plane);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_horizontal_fov<double, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near_plane, far_plane);
std::unreachable();
}
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("centimeters value should not be discarded")]]
constexpr FloatingType units_to_centimeters(const FloatingType& units)
{
return units;
@@ -44,7 +98,7 @@ namespace omath::unreal_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("meters value should not be discarded")]]
constexpr FloatingType units_to_meters(const FloatingType& units)
{
return units / static_cast<FloatingType>(100);
@@ -52,7 +106,7 @@ namespace omath::unreal_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("kilometers value should not be discarded")]]
constexpr FloatingType units_to_kilometers(const FloatingType& units)
{
return units_to_meters(units) / static_cast<FloatingType>(1000);
@@ -60,7 +114,7 @@ namespace omath::unreal_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
{
return centimeters;
@@ -68,7 +122,7 @@ namespace omath::unreal_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType meters_to_units(const FloatingType& meters)
{
return meters * static_cast<FloatingType>(100);
@@ -76,7 +130,7 @@ namespace omath::unreal_engine
template<class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
[[nodiscard("units value should not be discarded")]]
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
{
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
@@ -4,6 +4,7 @@
#pragma once
#include "omath/engines/unreal_engine/formulas.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/projection/camera.hpp"
namespace omath::unreal_engine
@@ -11,14 +12,30 @@ namespace omath::unreal_engine
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<double>& cam_origin, const Vector3<double>& look_at) noexcept;
[[nodiscard("look-at angle result should not be discarded")]]
constexpr static ViewAngles calc_look_at_angle(const Vector3<double>& cam_origin,
const Vector3<double>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<double>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
double near, double far, NDCDepthRange ndc_depth_range) noexcept;
return {PitchAngle::from_radians(internal::asin(direction.z)),
YawAngle::from_radians(internal::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
[[nodiscard("view matrix result should not be discarded")]]
constexpr static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<double>& cam_origin) noexcept
{
return unreal_engine::calc_view_matrix(angles, cam_origin);
}
[[nodiscard("projection matrix result should not be discarded")]]
constexpr static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const double near_plane,
const double far_plane,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near_plane, far_plane,
ndc_depth_range);
}
};
} // namespace omath::unreal_engine
} // namespace omath::unreal_engine
@@ -10,7 +10,7 @@ namespace omath::unreal_engine
class MeshTrait final
{
public:
[[nodiscard]]
[[nodiscard("rotation matrix result should not be discarded")]]
static Mat4X4 rotation_matrix(const ViewAngles& rotation)
{
return unreal_engine::rotation_matrix(rotation);
@@ -12,6 +12,7 @@ namespace omath::unreal_engine
class PredEngineTrait final
{
public:
[[nodiscard("projectile position result should not be discarded")]]
static Vector3<double> predict_projectile_position(const projectile_prediction::Projectile<double>& projectile,
const double pitch, const double yaw,
const double time, const double gravity) noexcept
@@ -27,7 +28,7 @@ namespace omath::unreal_engine
return current_pos;
}
[[nodiscard]]
[[nodiscard("target position result should not be discarded")]]
static Vector3<double> predict_target_position(const projectile_prediction::Target<double>& target,
const double time, const double gravity) noexcept
{
@@ -39,19 +40,19 @@ namespace omath::unreal_engine
return predicted;
}
[[nodiscard]]
[[nodiscard("2d distance result should not be discarded")]]
static double calc_vector_2d_distance(const Vector3<double>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.z * delta.z);
}
[[nodiscard]]
[[nodiscard("height coordinate result should not be discarded")]]
static double get_vector_height_coordinate(const Vector3<double>& vec) noexcept
{
return vec.y;
}
[[nodiscard]]
[[nodiscard("viewpoint result should not be discarded")]]
static Vector3<double> calc_viewpoint_from_angles(const projectile_prediction::Projectile<double>& projectile,
Vector3<double> predicted_target_position,
const std::optional<double> projectile_pitch) noexcept
@@ -64,7 +65,7 @@ namespace omath::unreal_engine
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
[[nodiscard("pitch angle result should not be discarded")]]
static double calc_direct_pitch_angle(const Vector3<double>& origin, const Vector3<double>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
@@ -72,7 +73,7 @@ namespace omath::unreal_engine
return angles::radians_to_degrees(std::asin(direction.z));
}
[[nodiscard]]
[[nodiscard("yaw angle result should not be discarded")]]
static double calc_direct_yaw_angle(const Vector3<double>& origin, const Vector3<double>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
+2 -1
View File
@@ -9,9 +9,10 @@ namespace omath::hud
class CanvasBox final
{
public:
CanvasBox() = default;
CanvasBox(Vector2<float> top, Vector2<float> bottom, float ratio = 4.f);
[[nodiscard]]
[[nodiscard("You have to use array")]]
std::array<Vector2<float>, 4> as_array() const;
Vector2<float> top_left_corner;
+56 -13
View File
@@ -5,11 +5,11 @@
#include "canvas_box.hpp"
#include "entity_overlay_widgets.hpp"
#include "hud_renderer_interface.hpp"
#include "omath/3d_primitives/aabb.hpp"
#include "omath/linear_algebra/vector2.hpp"
#include "omath/utility/color.hpp"
#include <memory>
#include <string_view>
namespace omath::hud
{
class EntityOverlay final
@@ -57,13 +57,17 @@ namespace omath::hud
float offset = 5.f);
// ── Labels ───────────────────────────────────────────────────────
EntityOverlay& add_right_label(const Color& color, float offset, widget::Outlined outlined, const std::string_view& text);
EntityOverlay& add_right_label(const Color& color, float offset, widget::Outlined outlined,
const std::string_view& text);
EntityOverlay& add_left_label(const Color& color, float offset, widget::Outlined outlined, const std::string_view& text);
EntityOverlay& add_left_label(const Color& color, float offset, widget::Outlined outlined,
const std::string_view& text);
EntityOverlay& add_top_label(const Color& color, float offset, widget::Outlined outlined, std::string_view text);
EntityOverlay& add_top_label(const Color& color, float offset, widget::Outlined outlined,
std::string_view text);
EntityOverlay& add_bottom_label(const Color& color, float offset, widget::Outlined outlined, std::string_view text);
EntityOverlay& add_bottom_label(const Color& color, float offset, widget::Outlined outlined,
std::string_view text);
EntityOverlay& add_centered_top_label(const Color& color, float offset, widget::Outlined outlined,
const std::string_view& text);
@@ -72,24 +76,24 @@ namespace omath::hud
const std::string_view& text);
template<typename... Args>
EntityOverlay& add_right_label(const Color& color, const float offset, const widget::Outlined outlined, std::format_string<Args...> fmt,
Args&&... args)
EntityOverlay& add_right_label(const Color& color, const float offset, const widget::Outlined outlined,
std::format_string<Args...> fmt, Args&&... args)
{
return add_right_label(color, offset, outlined,
std::string_view{std::vformat(fmt.get(), std::make_format_args(args...))});
}
template<typename... Args>
EntityOverlay& add_left_label(const Color& color, const float offset, const widget::Outlined outlined, std::format_string<Args...> fmt,
Args&&... args)
EntityOverlay& add_left_label(const Color& color, const float offset, const widget::Outlined outlined,
std::format_string<Args...> fmt, Args&&... args)
{
return add_left_label(color, offset, outlined,
std::string_view{std::vformat(fmt.get(), std::make_format_args(args...))});
}
template<typename... Args>
EntityOverlay& add_top_label(const Color& color, const float offset, const widget::Outlined outlined, std::format_string<Args...> fmt,
Args&&... args)
EntityOverlay& add_top_label(const Color& color, const float offset, const widget::Outlined outlined,
std::format_string<Args...> fmt, Args&&... args)
{
return add_top_label(color, offset, outlined,
std::string_view{std::vformat(fmt.get(), std::make_format_args(args...))});
@@ -112,8 +116,9 @@ namespace omath::hud
}
template<typename... Args>
EntityOverlay& add_centered_bottom_label(const Color& color, const float offset, const widget::Outlined outlined,
std::format_string<Args...> fmt, Args&&... args)
EntityOverlay& add_centered_bottom_label(const Color& color, const float offset,
const widget::Outlined outlined, std::format_string<Args...> fmt,
Args&&... args)
{
return add_centered_bottom_label(color, offset, outlined,
std::string_view{std::vformat(fmt.get(), std::make_format_args(args...))});
@@ -164,6 +169,44 @@ namespace omath::hud
return *this;
}
template<class Camera, class Aabb>
static std::expected<EntityOverlay, std::string>
from_aabb(const Camera& camera, const Aabb& aabb, const float aspect,
const std::shared_ptr<HudRendererInterface>& renderer)
{
Vector3<float> top;
Vector3<float> bottom;
bool has_projected_vertex = false;
for (const auto& vertex: aabb.vertices())
{
if (auto projected = camera.world_to_screen_unclipped(vertex))
{
if (!has_projected_vertex)
{
top = *projected;
bottom = *projected;
has_projected_vertex = true;
continue;
}
if (projected->y < top.y)
top = *projected;
if (projected->y > bottom.y)
bottom = *projected;
}
}
if (!has_projected_vertex)
return std::unexpected("");
auto center = camera.world_to_screen_unclipped(aabb.center());
if (!center)
return std::unexpected("");
return EntityOverlay{{center->x, top.y}, {center->x, bottom.y}, aspect, renderer};
}
private:
// optional<W> dispatch — enables when() conditional widgets
template<typename W>
+707
View File
@@ -0,0 +1,707 @@
//
// Created by orange on 6/11/2026.
//
#pragma once
#include <bit>
#include <cmath>
#include <cstdint>
#include <limits>
#include <numbers>
#include <type_traits>
namespace omath::internal
{
// Embedded subset of GCE-Math 1.18.0.
//
// Original project:
// GCE-Math: A C++ generalized constant expression-based math library
// Copyright 2016-2024 Keith O'Hara
// Licensed under the Apache License, Version 2.0.
namespace math_detail
{
using uint_t = unsigned int;
using llint_t = long long int;
using ullint_t = unsigned long long int;
template<class Type>
using limits = std::numeric_limits<Type>;
template<class Type>
constexpr Type pi = std::numbers::pi_v<Type>;
template<class Type>
constexpr Type half_pi = std::numbers::pi_v<Type> / static_cast<Type>(2);
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type abs(const Type value) noexcept
{
return value == Type{0} ? Type{0} : value < Type{0} ? -value : value;
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr int sgn(const Type value) noexcept
{
return value > Type{0} ? 1 : value < Type{0} ? -1 : 0;
}
[[nodiscard]]
constexpr bool is_odd(const llint_t value) noexcept
{
return (value & 1U) != 0;
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool is_nan(const Type value) noexcept
{
return value != value;
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool is_neginf(const Type value) noexcept
{
return value == -limits<Type>::infinity();
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool is_posinf(const Type value) noexcept
{
return value == limits<Type>::infinity();
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool is_inf(const Type value) noexcept
{
return is_neginf(value) || is_posinf(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool is_finite(const Type value) noexcept
{
return !is_nan(value) && !is_inf(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool any_nan(const Type x, const Type y) noexcept
{
return is_nan(x) || is_nan(y);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool any_inf(const Type x, const Type y) noexcept
{
return is_inf(x) || is_inf(y);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool all_finite(const Type x, const Type y) noexcept
{
return is_finite(x) && is_finite(y);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool signbit(const Type value) noexcept
{
if constexpr (std::is_same_v<Type, float>)
return (std::bit_cast<std::uint32_t>(value) & 0x80000000U) != 0;
else if constexpr (std::is_same_v<Type, double>)
return (std::bit_cast<std::uint64_t>(value) & 0x8000000000000000ULL) != 0;
else
return value < Type{0};
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr bool neg_zero(const Type value) noexcept
{
return value == Type{0} && signbit(value);
}
template<class Type, class ExpType>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type pow_integral_compute(const Type base, const ExpType exp_term) noexcept;
template<class Type, class ExpType>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type pow_integral_compute_recur(const Type base, const Type value, const ExpType exp_term) noexcept
{
return exp_term > ExpType{1}
? is_odd(static_cast<llint_t>(exp_term))
? pow_integral_compute_recur(base * base, value * base, exp_term / ExpType{2})
: pow_integral_compute_recur(base * base, value, exp_term / ExpType{2})
: exp_term == ExpType{1} ? value * base
: value;
}
template<class Type, class ExpType>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type pow_integral_sgn_check(const Type base, const ExpType exp_term) noexcept
{
if constexpr (std::is_signed_v<ExpType>)
return exp_term < ExpType{0} ? Type{1} / pow_integral_compute(base, -exp_term)
: pow_integral_compute_recur(base, Type{1}, exp_term);
else
return pow_integral_compute_recur(base, Type{1}, exp_term);
}
template<class Type, class ExpType>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type pow_integral_compute(const Type base, const ExpType exp_term) noexcept
{
return exp_term == ExpType{3} ? base * base * base
: exp_term == ExpType{2} ? base * base
: exp_term == ExpType{1} ? base
: exp_term == ExpType{0} ? Type{1}
: exp_term == limits<ExpType>::min() ? Type{0}
: exp_term == limits<ExpType>::max() ? limits<Type>::infinity()
: pow_integral_sgn_check(base, exp_term);
}
template<class Type, class ExpType>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type pow_integral(const Type base, const ExpType exp_term) noexcept
{
return pow_integral_compute(base, exp_term);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type sqrt_recur(const Type x, const Type xn, const int count) noexcept
{
return abs(xn - x / xn) / (Type{1} + xn) < limits<Type>::min() ? xn
: count < 100 ? sqrt_recur(x, Type{0.5} * (xn + x / xn), count + 1)
: xn;
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type sqrt_simplify(const Type x, const Type m_val) noexcept
{
return x > Type{1e+08} ? sqrt_simplify(x / Type{1e+08}, Type{1e+04} * m_val)
: x > Type{1e+06} ? sqrt_simplify(x / Type{1e+06}, Type{1e+03} * m_val)
: x > Type{1e+04} ? sqrt_simplify(x / Type{1e+04}, Type{1e+02} * m_val)
: x > Type{100} ? sqrt_simplify(x / Type{100}, Type{10} * m_val)
: x > Type{4} ? sqrt_simplify(x / Type{4}, Type{2} * m_val)
: m_val * sqrt_recur(x, x / Type{2}, 0);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type sqrt(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN()
: x < Type{0} ? limits<Type>::quiet_NaN()
: is_posinf(x) ? x
: limits<Type>::min() > abs(x) ? Type{0}
: limits<Type>::min() > abs(Type{1} - x) ? x
: sqrt_simplify(x, Type{1});
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type floor_int(const Type x, const Type x_whole) noexcept
{
return x_whole - static_cast<Type>((x < Type{0}) && (x < x_whole));
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type floor_check_internal(const Type x) noexcept
{
if constexpr (std::is_same_v<Type, float>)
return abs(x) >= 8388608.f ? x : floor_int(x, static_cast<float>(static_cast<int>(x)));
else if constexpr (std::is_same_v<Type, double>)
return abs(x) >= 4503599627370496. ? x : floor_int(x, static_cast<double>(static_cast<llint_t>(x)));
else
return abs(x) >= 9223372036854775808.l
? x
: static_cast<long double>(static_cast<ullint_t>(abs(x))) * sgn(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type floor(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN()
: !is_finite(x) ? x
: limits<Type>::min() > abs(x) ? x
: floor_check_internal(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type trunc_int(const Type x) noexcept
{
return static_cast<Type>(static_cast<llint_t>(x));
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type trunc_check_internal(const Type x) noexcept
{
if constexpr (std::is_same_v<Type, float>)
return abs(x) >= 8388608.f ? x : trunc_int(x);
else if constexpr (std::is_same_v<Type, double>)
return abs(x) >= 4503599627370496. ? x : trunc_int(x);
else
return abs(x) >= 9223372036854775808.l
? x
: static_cast<long double>(static_cast<ullint_t>(abs(x))) * sgn(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type trunc(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN()
: !is_finite(x) ? x
: limits<Type>::min() > abs(x) ? x
: trunc_check_internal(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type fmod(const Type x, const Type y) noexcept
{
return any_nan(x, y) || !all_finite(x, y) || limits<Type>::min() > abs(y) ? limits<Type>::quiet_NaN()
: x - trunc(x / y) * y;
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type tan_series_exp_long(const Type z) noexcept
{
return -Type{1} / z
+ (z / Type{3}
+ (pow_integral(z, 3) / Type{45}
+ (Type{2} * pow_integral(z, 5) / Type{945} + pow_integral(z, 7) / Type{4725})));
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type tan_series_exp(const Type x) noexcept
{
return limits<Type>::min() > abs(x - half_pi<Type>) ? Type{1.633124e+16}
: tan_series_exp_long(x - half_pi<Type>);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type tan_cf_recur(const Type xx, const int max_depth) noexcept
{
Type result = static_cast<Type>(2 * max_depth - 1);
for (int depth = max_depth - 1; depth >= 1; --depth)
result = static_cast<Type>(2 * depth - 1) - xx / result;
return result;
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type tan_cf_main(const Type x) noexcept
{
return x > Type{1.55} && x < Type{1.60} ? tan_series_exp(x)
: x > Type{1.4} ? x / tan_cf_recur(x * x, 45)
: x > Type{1} ? x / tan_cf_recur(x * x, 35)
: x / tan_cf_recur(x * x, 25);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type tan_begin(const Type x, const int count = 0) noexcept
{
return x > pi<Type> ? count > 1 ? limits<Type>::quiet_NaN()
: tan_begin(x - pi<Type> * floor(x / pi<Type>), count + 1)
: tan_cf_main(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type tan(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN()
: limits<Type>::min() > abs(x) ? Type{0}
: x < Type{0} ? -tan_begin(-x)
: tan_begin(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type sin(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN()
: limits<Type>::min() > abs(x) ? Type{0}
: limits<Type>::min() > abs(x - half_pi<Type>) ? Type{1}
: limits<Type>::min() > abs(x + half_pi<Type>) ? -Type{1}
: limits<Type>::min() > abs(x - pi<Type>) ? Type{0}
: limits<Type>::min() > abs(x + pi<Type>)
? -Type{0}
: (Type{2} * tan(x / Type{2})) / (Type{1} + tan(x / Type{2}) * tan(x / Type{2}));
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type cos(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN()
: limits<Type>::min() > abs(x) ? Type{1}
: limits<Type>::min() > abs(x - half_pi<Type>) ? Type{0}
: limits<Type>::min() > abs(x + half_pi<Type>) ? Type{0}
: limits<Type>::min() > abs(x - pi<Type>) ? -Type{1}
: limits<Type>::min() > abs(x + pi<Type>)
? -Type{1}
: (Type{1} - tan(x / Type{2}) * tan(x / Type{2}))
/ (Type{1} + tan(x / Type{2}) * tan(x / Type{2}));
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan_series_order_calc(const Type xx, const Type x_pow, const uint_t order) noexcept
{
return Type{1} / (static_cast<Type>((order - 1) * 4 - 1) * x_pow)
- Type{1} / (static_cast<Type>((order - 1) * 4 + 1) * x_pow * xx);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan_series_order(const Type x, const uint_t order_begin, const uint_t max_order) noexcept
{
if (max_order == 1)
return half_pi<Type> - Type{1} / x;
const Type xx = x * x;
Type result = atan_series_order_calc(xx, pow_integral(x, 4 * max_order - 5), max_order);
auto depth = max_order - 1;
while (depth > order_begin)
{
result += atan_series_order_calc(xx, pow_integral(x, 4 * depth - 5), depth);
--depth;
}
return result + half_pi<Type> - Type{1} / x;
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan_series_main(const Type x) noexcept
{
return x < Type{3} ? atan_series_order(x, 1U, 10U)
: x < Type{4} ? atan_series_order(x, 1U, 9U)
: x < Type{5} ? atan_series_order(x, 1U, 8U)
: x < Type{7} ? atan_series_order(x, 1U, 7U)
: x < Type{11} ? atan_series_order(x, 1U, 6U)
: x < Type{25} ? atan_series_order(x, 1U, 5U)
: x < Type{100} ? atan_series_order(x, 1U, 4U)
: x < Type{1000} ? atan_series_order(x, 1U, 3U)
: atan_series_order(x, 1U, 2U);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan_cf_recur(const Type xx, const uint_t depth_begin, const uint_t max_depth) noexcept
{
auto depth = max_depth - 1;
Type result = static_cast<Type>(2 * (depth + 1) - 1);
while (depth > depth_begin - 1)
{
result = static_cast<Type>(2 * depth - 1) + static_cast<Type>(depth * depth) * xx / result;
--depth;
}
return result;
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan_cf_main(const Type x) noexcept
{
return x < Type{0.5} ? x / atan_cf_recur(x * x, 1U, 15U)
: x < Type{1} ? x / atan_cf_recur(x * x, 1U, 25U)
: x < Type{1.5} ? x / atan_cf_recur(x * x, 1U, 35U)
: x < Type{2} ? x / atan_cf_recur(x * x, 1U, 45U)
: x / atan_cf_recur(x * x, 1U, 52U);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan_begin(const Type x) noexcept
{
return x > Type{2.5} ? atan_series_main(x) : atan_cf_main(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN()
: limits<Type>::min() > abs(x) ? Type{0}
: x < Type{0} ? -atan_begin(-x)
: atan_begin(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan2(const Type y, const Type x) noexcept
{
return any_nan(y, x) ? limits<Type>::quiet_NaN()
: limits<Type>::min() > abs(x) ? limits<Type>::min() > abs(y)
? neg_zero(y) ? neg_zero(x) ? -pi<Type> : -Type{0}
: neg_zero(x) ? pi<Type>
: Type{0}
: y > Type{0} ? half_pi<Type>
: -half_pi<Type>
: x < Type{0} ? y < Type{0} ? atan(y / x) - pi<Type> : atan(y / x) + pi<Type>
: atan(y / x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type asin_compute(const Type x) noexcept
{
return x > Type{1} ? limits<Type>::quiet_NaN()
: limits<Type>::min() > abs(x - Type{1}) ? half_pi<Type>
: limits<Type>::min() > abs(x) ? Type{0}
: atan(x / sqrt(Type{1} - x * x));
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type asin(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN() : x < Type{0} ? -asin_compute(-x) : asin_compute(x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type acos_compute(const Type x) noexcept
{
return abs(x) > Type{1} ? limits<Type>::quiet_NaN()
: limits<Type>::min() > abs(x - Type{1}) ? Type{0}
: limits<Type>::min() > abs(x) ? half_pi<Type>
: atan(sqrt(Type{1} - x * x) / x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type acos(const Type x) noexcept
{
return is_nan(x) ? limits<Type>::quiet_NaN() : x > Type{0} ? acos_compute(x) : pi<Type> - acos_compute(-x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type hypot(const Type x, const Type y) noexcept
{
return any_nan(x, y) ? limits<Type>::quiet_NaN()
: any_inf(x, y) ? limits<Type>::infinity()
: limits<Type>::min() > abs(x) ? abs(y)
: limits<Type>::min() > abs(y) ? abs(x)
: abs(x) * sqrt(Type{1} + (y / x) * (y / x));
}
} // namespace math_detail
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type sin(const Type& value) noexcept
{
if consteval
{
return math_detail::sin(value);
}
return std::sin(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type cos(const Type& value) noexcept
{
if consteval
{
return math_detail::cos(value);
}
return std::cos(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type tan(const Type& value) noexcept
{
if consteval
{
return math_detail::tan(value);
}
return std::tan(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan(const Type& value) noexcept
{
if consteval
{
return math_detail::atan(value);
}
return std::atan(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type atan2(const Type& y, const Type& x) noexcept
{
if consteval
{
return math_detail::atan2(y, x);
}
return std::atan2(y, x);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type asin(const Type& value) noexcept
{
if consteval
{
return math_detail::asin(value);
}
return std::asin(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type acos(const Type& value) noexcept
{
if consteval
{
return math_detail::acos(value);
}
return std::acos(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type sqrt(const Type& value) noexcept
{
if consteval
{
return math_detail::sqrt(value);
}
return std::sqrt(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type hypot(const Type& x, const Type& y) noexcept
{
if consteval
{
return math_detail::hypot(x, y);
}
return std::hypot(x, y);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type hypot(const Type& x, const Type& y, const Type& z) noexcept
{
if consteval
{
return math_detail::sqrt(x * x + y * y + z * z);
}
return std::hypot(x, y, z);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type abs(const Type& value) noexcept
{
if consteval
{
return math_detail::abs(value);
}
return std::abs(value);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]]
constexpr Type fmod(const Type& dividend, const Type& divisor) noexcept
{
if consteval
{
return math_detail::fmod(dividend, divisor);
}
return std::fmod(dividend, divisor);
}
} // namespace omath::internal
+132 -139
View File
@@ -2,6 +2,7 @@
// Created by vlad on 9/29/2024.
//
#pragma once
#include "omath/internal/constexpr_math.hpp"
#include "vector3.hpp"
#include <algorithm>
#include <array>
@@ -10,6 +11,7 @@
#include <numeric>
#include <sstream>
#include <stdexcept>
#include <type_traits>
#include <utility>
#ifdef OMATH_USE_AVX2
@@ -41,12 +43,12 @@ namespace omath
enum class NDCDepthRange : uint8_t
{
NEGATIVE_ONE_TO_ONE = 0, // OpenGL: [-1.0, 1.0]
ZERO_TO_ONE // DirectX / Vulkan: [0.0, 1.0]
ZERO_TO_ONE // DirectX / Vulkan: [0.0, 1.0]
};
template<typename M1, typename M2> concept MatTemplateEqual
= (M1::rows == M2::rows) && (M1::columns == M2::columns)
&& std::is_same_v<typename M1::value_type, typename M2::value_type> && (M1::store_type == M2::store_type);
template<typename M1, typename M2> concept MatTemplateEqual =
(M1::rows == M2::rows) && (M1::columns == M2::columns)
&& std::is_same_v<typename M1::value_type, typename M2::value_type> && (M1::store_type == M2::store_type);
template<size_t Rows = 0, size_t Columns = 0, class Type = float, MatStoreType StoreType = MatStoreType::ROW_MAJOR>
requires std::is_arithmetic_v<Type>
@@ -149,7 +151,8 @@ namespace omath
}
}
[[nodiscard("You must use element reference")]] constexpr Type& at(const size_t row_index, const size_t column_index)
[[nodiscard("You must use element reference")]] constexpr Type& at(const size_t row_index,
const size_t column_index)
{
return const_cast<Type&>(std::as_const(*this).at(row_index, column_index));
}
@@ -176,6 +179,13 @@ namespace omath
operator*(const Mat<Columns, OtherColumns, Type, StoreType>& other) const
{
#ifdef OMATH_USE_AVX2
if (std::is_constant_evaluated())
{
if constexpr (StoreType == MatStoreType::ROW_MAJOR)
return cache_friendly_multiply_row_major(other);
else if constexpr (StoreType == MatStoreType::COLUMN_MAJOR)
return cache_friendly_multiply_col_major(other);
}
if constexpr (StoreType == MatStoreType::ROW_MAJOR)
return avx_multiply_row_major(other);
else if constexpr (StoreType == MatStoreType::COLUMN_MAJOR)
@@ -192,7 +202,11 @@ namespace omath
constexpr Mat& operator*=(const Type& f) noexcept
{
std::ranges::for_each(m_data, [&f](auto& val) { val *= f; });
std::ranges::for_each(m_data,
[&f](auto& val)
{
val *= f;
});
return *this;
}
@@ -212,7 +226,11 @@ namespace omath
constexpr Mat& operator/=(const Type& value) noexcept
{
std::ranges::for_each(m_data, [&value](auto& val) { val /= value; });
std::ranges::for_each(m_data,
[&value](auto& val)
{
val /= value;
});
return *this;
}
@@ -388,7 +406,7 @@ namespace omath
{
const auto det = determinant();
if (std::abs(det) < std::numeric_limits<Type>::epsilon())
if (internal::abs(det) < std::numeric_limits<Type>::epsilon())
return std::nullopt;
const auto transposed_mat = transposed();
@@ -578,13 +596,13 @@ namespace omath
};
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR> [[nodiscard("You must use row matrix")]]
constexpr static Mat<1, 4, Type, St> mat_row_from_vector(const Vector3<Type>& vector) noexcept
constexpr Mat<1, 4, Type, St> mat_row_from_vector(const Vector3<Type>& vector) noexcept
{
return {{vector.x, vector.y, vector.z, 1}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR> [[nodiscard("You must use column matrix")]]
constexpr static Mat<4, 1, Type, St> mat_column_from_vector(const Vector3<Type>& vector) noexcept
constexpr Mat<4, 1, Type, St> mat_column_from_vector(const Vector3<Type>& vector) noexcept
{
return {{vector.x}, {vector.y}, {vector.z}, {1}};
}
@@ -593,8 +611,7 @@ namespace omath
[[nodiscard("You must use translation matrix")]]
constexpr Mat<4, 4, Type, St> mat_translation(const Vector3<Type>& diff) noexcept
{
return
{
return {
{1, 0, 0, diff.x},
{0, 1, 0, diff.y},
{0, 0, 1, diff.z},
@@ -622,10 +639,11 @@ namespace omath
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard("You must use extracted scale")]]
Vector3<Type> mat_extract_scale(const Mat<4, 4, Type, St>& mat) noexcept
constexpr Vector3<Type> mat_extract_scale(const Mat<4, 4, Type, St>& mat) noexcept
{
auto column_length = [](const Type x, const Type y, const Type z) {
return static_cast<Type>(std::sqrt(x * x + y * y + z * z));
auto column_length = [](const Type x, const Type y, const Type z)
{
return static_cast<Type>(internal::sqrt(x * x + y * y + z * z));
};
const auto scale_x = column_length(mat.at(0, 0), mat.at(1, 0), mat.at(2, 0));
@@ -635,16 +653,16 @@ namespace omath
constexpr auto epsilon = std::numeric_limits<Type>::epsilon();
return {
std::abs(scale_x) < epsilon ? Type{1} : scale_x,
std::abs(scale_y) < epsilon ? Type{1} : scale_y,
std::abs(scale_z) < epsilon ? Type{1} : scale_z,
internal::abs(scale_x) < epsilon ? Type{1} : scale_x,
internal::abs(scale_y) < epsilon ? Type{1} : scale_y,
internal::abs(scale_z) < epsilon ? Type{1} : scale_z,
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
requires std::is_floating_point_v<Type>
[[nodiscard("You must use extracted rotation")]]
Vector3<Type> mat_extract_rotation_zyx(const Mat<4, 4, Type, St>& mat) noexcept
constexpr Vector3<Type> mat_extract_rotation_zyx(const Mat<4, 4, Type, St>& mat) noexcept
{
const auto scale = mat_extract_scale(mat);
const auto m00 = mat.at(0, 0) / scale.x;
@@ -654,105 +672,91 @@ namespace omath
const auto m22 = mat.at(2, 2) / scale.z;
return {
angles::radians_to_degrees(std::atan2(m21, m22)),
angles::radians_to_degrees(std::asin(std::clamp(-m20, Type{-1}, Type{1}))),
angles::radians_to_degrees(std::atan2(m10, m00)),
angles::radians_to_degrees(internal::atan2(m21, m22)),
angles::radians_to_degrees(internal::asin(std::clamp(-m20, Type{-1}, Type{1}))),
angles::radians_to_degrees(internal::atan2(m10, m00)),
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard("You must use rotation matrix")]]
Mat<4, 4, Type, St> mat_rotation_axis_x(const Angle& angle) noexcept
constexpr Mat<4, 4, Type, St> mat_rotation_axis_x(const Angle& angle) noexcept
{
return
{
{1, 0, 0, 0},
{0, angle.cos(), -angle.sin(), 0},
{0, angle.sin(), angle.cos(), 0},
{0, 0, 0, 1}
};
return {{1, 0, 0, 0}, {0, angle.cos(), -angle.sin(), 0}, {0, angle.sin(), angle.cos(), 0}, {0, 0, 0, 1}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard("You must use rotation matrix")]]
Mat<4, 4, Type, St> mat_rotation_axis_y(const Angle& angle) noexcept
constexpr Mat<4, 4, Type, St> mat_rotation_axis_y(const Angle& angle) noexcept
{
return
{
{angle.cos(), 0, angle.sin(), 0},
{0 , 1, 0, 0},
{-angle.sin(), 0, angle.cos(), 0},
{0 , 0, 0, 1}
};
return {{angle.cos(), 0, angle.sin(), 0}, {0, 1, 0, 0}, {-angle.sin(), 0, angle.cos(), 0}, {0, 0, 0, 1}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard("You must use rotation matrix")]]
Mat<4, 4, Type, St> mat_rotation_axis_z(const Angle& angle) noexcept
constexpr Mat<4, 4, Type, St> mat_rotation_axis_z(const Angle& angle) noexcept
{
return
{
{angle.cos(), -angle.sin(), 0, 0},
{angle.sin(), angle.cos(), 0, 0},
{ 0, 0, 1, 0},
{ 0, 0, 0, 1},
return {
{angle.cos(), -angle.sin(), 0, 0},
{angle.sin(), angle.cos(), 0, 0},
{0, 0, 1, 0},
{0, 0, 0, 1},
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard("You must use camera view matrix")]]
static Mat<4, 4, Type, St> mat_camera_view(const Vector3<Type>& forward, const Vector3<Type>& right,
const Vector3<Type>& up, const Vector3<Type>& camera_origin) noexcept
constexpr Mat<4, 4, Type, St> mat_camera_view(const Vector3<Type>& forward, const Vector3<Type>& right,
const Vector3<Type>& up, const Vector3<Type>& camera_origin) noexcept
{
return Mat<4, 4, Type, St>
{
{right.x, right.y, right.z, 0},
{up.x, up.y, up.z, 0},
{forward.x, forward.y, forward.z, 0},
{0, 0, 0, 1},
} * mat_translation<Type, St>(-camera_origin);
return Mat<4, 4, Type, St>{
{right.x, right.y, right.z, 0},
{up.x, up.y, up.z, 0},
{forward.x, forward.y, forward.z, 0},
{0, 0, 0, 1},
}
* mat_translation<Type, St>(-camera_origin);
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR,
NDCDepthRange DepthRange = NDCDepthRange::NEGATIVE_ONE_TO_ONE>
[[nodiscard("You must use perspective matrix")]]
Mat<4, 4, Type, St> mat_perspective_left_handed_vertical_fov(const Type field_of_view, const Type aspect_ratio,
const Type near, const Type far) noexcept
[[nodiscard("You must use perspective matrix")]] constexpr Mat<4, 4, Type, St>
mat_perspective_left_handed_vertical_fov(const Type field_of_view, const Type aspect_ratio, const Type near,
const Type far) noexcept
{
const auto fov_half_tan = std::tan(angles::degrees_to_radians(field_of_view) / Type{2});
const auto fov_half_tan = internal::tan(angles::degrees_to_radians(field_of_view) / Type{2});
if constexpr (DepthRange == NDCDepthRange::ZERO_TO_ONE)
return {{Type{1} / (aspect_ratio * fov_half_tan), Type{0}, Type{0}, Type{0}},
{Type{0}, Type{1} / fov_half_tan, Type{0}, Type{0}},
{Type{0}, Type{0}, far / (far - near), -(near * far) / (far - near)},
{Type{0}, Type{0}, Type{1}, Type{0}}};
return {{Type{1} / (aspect_ratio * fov_half_tan), Type{0}, Type{0}, Type{0}},
{Type{0}, Type{1} / fov_half_tan, Type{0}, Type{0}},
{Type{0}, Type{0}, far / (far - near), -(near * far) / (far - near)},
{Type{0}, Type{0}, Type{1}, Type{0}}};
else if constexpr (DepthRange == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return {{Type{1} / (aspect_ratio * fov_half_tan), Type{0}, Type{0}, Type{0}},
{Type{0}, Type{1} / fov_half_tan, Type{0}, Type{0}},
{Type{0}, Type{0}, (far + near) / (far - near), -(Type{2} * near * far) / (far - near)},
{Type{0}, Type{0}, Type{1}, Type{0}}};
return {{Type{1} / (aspect_ratio * fov_half_tan), Type{0}, Type{0}, Type{0}},
{Type{0}, Type{1} / fov_half_tan, Type{0}, Type{0}},
{Type{0}, Type{0}, (far + near) / (far - near), -(Type{2} * near * far) / (far - near)},
{Type{0}, Type{0}, Type{1}, Type{0}}};
else
std::unreachable();
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR,
NDCDepthRange DepthRange = NDCDepthRange::NEGATIVE_ONE_TO_ONE>
[[nodiscard("You must use perspective matrix")]]
Mat<4, 4, Type, St> mat_perspective_right_handed_vertical_fov(const Type field_of_view, const Type aspect_ratio,
const Type near, const Type far) noexcept
[[nodiscard("You must use perspective matrix")]] constexpr Mat<4, 4, Type, St>
mat_perspective_right_handed_vertical_fov(const Type field_of_view, const Type aspect_ratio, const Type near,
const Type far) noexcept
{
const auto fov_half_tan = std::tan(angles::degrees_to_radians(field_of_view) / Type{2});
const auto fov_half_tan = internal::tan(angles::degrees_to_radians(field_of_view) / Type{2});
if constexpr (DepthRange == NDCDepthRange::ZERO_TO_ONE)
return {{Type{1} / (aspect_ratio * fov_half_tan), Type{0}, Type{0}, Type{0}},
{Type{0}, Type{1} / fov_half_tan, Type{0}, Type{0}},
{Type{0}, Type{0}, -far / (far - near), -(near * far) / (far - near)},
{Type{0}, Type{0}, -Type{1}, Type{0}}};
return {{Type{1} / (aspect_ratio * fov_half_tan), Type{0}, Type{0}, Type{0}},
{Type{0}, Type{1} / fov_half_tan, Type{0}, Type{0}},
{Type{0}, Type{0}, -far / (far - near), -(near * far) / (far - near)},
{Type{0}, Type{0}, -Type{1}, Type{0}}};
else if constexpr (DepthRange == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return {{Type{1} / (aspect_ratio * fov_half_tan), Type{0}, Type{0}, Type{0}},
{Type{0}, Type{1} / fov_half_tan, Type{0}, Type{0}},
{Type{0}, Type{0}, -(far + near) / (far - near), -(Type{2} * near * far) / (far - near)},
{Type{0}, Type{0}, -Type{1}, Type{0}}};
return {{Type{1} / (aspect_ratio * fov_half_tan), Type{0}, Type{0}, Type{0}},
{Type{0}, Type{1} / fov_half_tan, Type{0}, Type{0}},
{Type{0}, Type{0}, -(far + near) / (far - near), -(Type{2} * near * far) / (far - near)},
{Type{0}, Type{0}, -Type{1}, Type{0}}};
else
std::unreachable();
}
@@ -762,105 +766,93 @@ namespace omath
// X and Y scales derived as: X = 1 / tan(hfov/2), Y = aspect / tan(hfov/2).
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR,
NDCDepthRange DepthRange = NDCDepthRange::NEGATIVE_ONE_TO_ONE>
[[nodiscard("You must use perspective matrix")]]
Mat<4, 4, Type, St> mat_perspective_left_handed_horizontal_fov(const Type horizontal_fov,
const Type aspect_ratio, const Type near,
const Type far) noexcept
[[nodiscard("You must use perspective matrix")]] constexpr Mat<4, 4, Type, St>
mat_perspective_left_handed_horizontal_fov(const Type horizontal_fov, const Type aspect_ratio, const Type near,
const Type far) noexcept
{
const auto inv_tan_half_hfov = Type{1} / std::tan(angles::degrees_to_radians(horizontal_fov) / Type{2});
const auto inv_tan_half_hfov = Type{1} / internal::tan(angles::degrees_to_radians(horizontal_fov) / Type{2});
const auto x_axis = inv_tan_half_hfov;
const auto y_axis = inv_tan_half_hfov * aspect_ratio;
if constexpr (DepthRange == NDCDepthRange::ZERO_TO_ONE)
return {{x_axis, Type{0}, Type{0}, Type{0}},
{Type{0}, y_axis, Type{0}, Type{0}},
{Type{0}, Type{0}, far / (far - near), -(near * far) / (far - near)},
{Type{0}, Type{0}, Type{1}, Type{0}}};
return {{x_axis, Type{0}, Type{0}, Type{0}},
{Type{0}, y_axis, Type{0}, Type{0}},
{Type{0}, Type{0}, far / (far - near), -(near * far) / (far - near)},
{Type{0}, Type{0}, Type{1}, Type{0}}};
else if constexpr (DepthRange == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return {{x_axis, Type{0}, Type{0}, Type{0}},
{Type{0}, y_axis, Type{0}, Type{0}},
return {{x_axis, Type{0}, Type{0}, Type{0}},
{Type{0}, y_axis, Type{0}, Type{0}},
{Type{0}, Type{0}, (far + near) / (far - near), -(Type{2} * near * far) / (far - near)},
{Type{0}, Type{0}, Type{1}, Type{0}}};
{Type{0}, Type{0}, Type{1}, Type{0}}};
else
std::unreachable();
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR,
NDCDepthRange DepthRange = NDCDepthRange::NEGATIVE_ONE_TO_ONE>
[[nodiscard("You must use perspective matrix")]]
Mat<4, 4, Type, St> mat_perspective_right_handed_horizontal_fov(const Type horizontal_fov,
const Type aspect_ratio, const Type near,
const Type far) noexcept
[[nodiscard("You must use perspective matrix")]] constexpr Mat<4, 4, Type, St>
mat_perspective_right_handed_horizontal_fov(const Type horizontal_fov, const Type aspect_ratio, const Type near,
const Type far) noexcept
{
const auto inv_tan_half_hfov = Type{1} / std::tan(angles::degrees_to_radians(horizontal_fov) / Type{2});
const auto inv_tan_half_hfov = Type{1} / internal::tan(angles::degrees_to_radians(horizontal_fov) / Type{2});
const auto x_axis = inv_tan_half_hfov;
const auto y_axis = inv_tan_half_hfov * aspect_ratio;
if constexpr (DepthRange == NDCDepthRange::ZERO_TO_ONE)
return {{x_axis, Type{0}, Type{0}, Type{0}},
{Type{0}, y_axis, Type{0}, Type{0}},
return {{x_axis, Type{0}, Type{0}, Type{0}},
{Type{0}, y_axis, Type{0}, Type{0}},
{Type{0}, Type{0}, -far / (far - near), -(near * far) / (far - near)},
{Type{0}, Type{0}, -Type{1}, Type{0}}};
{Type{0}, Type{0}, -Type{1}, Type{0}}};
else if constexpr (DepthRange == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return {{x_axis, Type{0}, Type{0}, Type{0}},
{Type{0}, y_axis, Type{0}, Type{0}},
return {{x_axis, Type{0}, Type{0}, Type{0}},
{Type{0}, y_axis, Type{0}, Type{0}},
{Type{0}, Type{0}, -(far + near) / (far - near), -(Type{2} * near * far) / (far - near)},
{Type{0}, Type{0}, -Type{1}, Type{0}}};
{Type{0}, Type{0}, -Type{1}, Type{0}}};
else
std::unreachable();
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR,
NDCDepthRange DepthRange = NDCDepthRange::NEGATIVE_ONE_TO_ONE>
[[nodiscard("You must use ortho matrix")]]
Mat<4, 4, Type, St> mat_ortho_left_handed(const Type left, const Type right, const Type bottom, const Type top,
const Type near, const Type far) noexcept
[[nodiscard("You must use ortho matrix")]] constexpr Mat<4, 4, Type, St>
mat_ortho_left_handed(const Type left, const Type right, const Type bottom, const Type top, const Type near,
const Type far) noexcept
{
if constexpr (DepthRange == NDCDepthRange::ZERO_TO_ONE)
return
{
{ static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{ 0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{ 0.f, 0.f, static_cast<Type>(1) / (far - near), -near / (far - near) },
{ 0.f, 0.f, 0.f, 1.f }
};
return {{static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{0.f, 0.f, static_cast<Type>(1) / (far - near), -near / (far - near)},
{0.f, 0.f, 0.f, 1.f}};
else if constexpr (DepthRange == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return
{
{ static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{ 0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{ 0.f, 0.f, static_cast<Type>(2) / (far - near), -(far + near) / (far - near) },
{ 0.f, 0.f, 0.f, 1.f }
};
return {{static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{0.f, 0.f, static_cast<Type>(2) / (far - near), -(far + near) / (far - near)},
{0.f, 0.f, 0.f, 1.f}};
else
std::unreachable();
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR,
NDCDepthRange DepthRange = NDCDepthRange::NEGATIVE_ONE_TO_ONE>
[[nodiscard("You must use ortho matrix")]]
Mat<4, 4, Type, St> mat_ortho_right_handed(const Type left, const Type right, const Type bottom, const Type top,
const Type near, const Type far) noexcept
[[nodiscard("You must use ortho matrix")]] constexpr Mat<4, 4, Type, St>
mat_ortho_right_handed(const Type left, const Type right, const Type bottom, const Type top, const Type near,
const Type far) noexcept
{
if constexpr (DepthRange == NDCDepthRange::ZERO_TO_ONE)
return
{
{ static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{ 0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{ 0.f, 0.f, -static_cast<Type>(1) / (far - near), -near / (far - near) },
{ 0.f, 0.f, 0.f, 1.f }
};
return {{static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{0.f, 0.f, -static_cast<Type>(1) / (far - near), -near / (far - near)},
{0.f, 0.f, 0.f, 1.f}};
else if constexpr (DepthRange == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return
{
{ static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{ 0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{ 0.f, 0.f, -static_cast<Type>(2) / (far - near), -(far + near) / (far - near) },
{ 0.f, 0.f, 0.f, 1.f }
};
return {{static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{0.f, 0.f, -static_cast<Type>(2) / (far - near), -(far + near) / (far - near)},
{0.f, 0.f, 0.f, 1.f}};
else
std::unreachable();
}
template<class T = float, MatStoreType St = MatStoreType::COLUMN_MAJOR>
Mat<4, 4, T, St> mat_look_at_left_handed(const Vector3<T>& eye, const Vector3<T>& center, const Vector3<T>& up)
constexpr Mat<4, 4, T, St> mat_look_at_left_handed(const Vector3<T>& eye, const Vector3<T>& center,
const Vector3<T>& up)
{
const Vector3<T> f = (center - eye).normalized();
const Vector3<T> s = f.cross(up).normalized();
@@ -869,7 +861,8 @@ namespace omath
}
template<class T = float, MatStoreType St = MatStoreType::COLUMN_MAJOR>
Mat<4, 4, T, St>mat_look_at_right_handed(const Vector3<T>& eye, const Vector3<T>& center, const Vector3<T>& up)
constexpr Mat<4, 4, T, St> mat_look_at_right_handed(const Vector3<T>& eye, const Vector3<T>& center,
const Vector3<T>& up)
{
const Vector3<T> f = (center - eye).normalized();
const Vector3<T> s = f.cross(up).normalized();
@@ -880,7 +873,7 @@ namespace omath
} // namespace omath
template<size_t Rows, size_t Columns, class Type, omath::MatStoreType StoreType>
struct std::formatter<omath::Mat<Rows, Columns, Type, StoreType>> // NOLINT(*-dcl58-cpp)
struct std::formatter<omath::Mat<Rows, Columns, Type, StoreType>> final // NOLINT(*-dcl58-cpp)
{
using MatType = omath::Mat<Rows, Columns, Type, StoreType>;
[[nodiscard("You must use parse iterator")]]
+4 -4
View File
@@ -2,8 +2,8 @@
// Created by Orange on 11/13/2024.
//
#pragma once
#include "omath/internal/constexpr_math.hpp"
#include "vector3.hpp"
namespace omath
{
/*
@@ -40,13 +40,13 @@ namespace omath
}
[[nodiscard]]
Vector::ContainedType side_a_length() const
constexpr Vector::ContainedType side_a_length() const
{
return m_vertex1.distance_to(m_vertex2);
}
[[nodiscard]]
Vector::ContainedType side_b_length() const
constexpr Vector::ContainedType side_b_length() const
{
return m_vertex3.distance_to(m_vertex2);
}
@@ -69,7 +69,7 @@ namespace omath
const auto side_b = side_b_length();
const auto hypot_value = hypot();
return std::abs(side_a * side_a + side_b * side_b - hypot_value * hypot_value) <= 0.0001f;
return internal::abs(side_a * side_a + side_b * side_b - hypot_value * hypot_value) <= 0.0001f;
}
[[nodiscard]]
constexpr Vector side_b_vector() const
+17 -15
View File
@@ -3,6 +3,7 @@
//
#pragma once
#include "omath/internal/constexpr_math.hpp"
#include <cmath>
#include <format>
#include <tuple>
@@ -116,9 +117,9 @@ namespace omath
// Basic vector operations
[[nodiscard("You must use distance")]]
Type distance_to(const Vector2& other) const noexcept
constexpr Type distance_to(const Vector2& other) const noexcept
{
return std::sqrt(distance_to_sqr(other));
return internal::sqrt(distance_to_sqr(other));
}
[[nodiscard("You must use squared distance")]]
@@ -136,7 +137,7 @@ namespace omath
#ifndef _MSC_VER
[[nodiscard("You must use length")]] constexpr Type length() const noexcept
{
return std::hypot(this->x, this->y);
return internal::hypot(this->x, this->y);
}
[[nodiscard("You must use normalized vector")]] constexpr Vector2 normalized() const noexcept
@@ -146,13 +147,13 @@ namespace omath
}
#else
[[nodiscard("You must use length")]]
Type length() const noexcept
constexpr Type length() const noexcept
{
return std::hypot(x, y);
return internal::hypot(x, y);
}
[[nodiscard("You must use normalized vector")]]
Vector2 normalized() const noexcept
constexpr Vector2 normalized() const noexcept
{
const Type len = length();
return len > static_cast<Type>(0) ? *this / len : *this;
@@ -216,24 +217,24 @@ namespace omath
}
[[nodiscard("You must use comparison result")]]
bool operator<(const Vector2& other) const noexcept
constexpr bool operator<(const Vector2& other) const noexcept
{
return length() < other.length();
}
[[nodiscard("You must use comparison result")]]
bool operator>(const Vector2& other) const noexcept
constexpr bool operator>(const Vector2& other) const noexcept
{
return length() > other.length();
}
[[nodiscard("You must use comparison result")]]
bool operator<=(const Vector2& other) const noexcept
constexpr bool operator<=(const Vector2& other) const noexcept
{
return length() <= other.length();
}
[[nodiscard("You must use comparison result")]]
bool operator>=(const Vector2& other) const noexcept
constexpr bool operator>=(const Vector2& other) const noexcept
{
return length() >= other.length();
}
@@ -264,13 +265,14 @@ namespace omath
};
} // namespace omath
template<> struct std::hash<omath::Vector2<float>>
template<class Type>
struct std::hash<omath::Vector2<Type>> final // NOLINT(*-dcl58-cpp)
{
[[nodiscard("You must use hash value")]]
std::size_t operator()(const omath::Vector2<float>& vec) const noexcept
std::size_t operator()(const omath::Vector2<Type>& vec) const noexcept
{
std::size_t hash = 0;
constexpr std::hash<float> hasher;
constexpr std::hash<Type> hasher;
hash ^= hasher(vec.x) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.y) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
@@ -280,10 +282,10 @@ template<> struct std::hash<omath::Vector2<float>>
};
template<class Type>
struct std::formatter<omath::Vector2<Type>> // NOLINT(*-dcl58-cpp)
struct std::formatter<omath::Vector2<Type>> final // NOLINT(*-dcl58-cpp)
{
[[nodiscard("You must use parse iterator")]]
static constexpr auto parse(std::format_parse_context& ctx)
static constexpr auto parse(std::format_parse_context& ctx) noexcept
{
return ctx.begin();
}
+26 -24
View File
@@ -4,6 +4,7 @@
#pragma once
#include "omath/internal/constexpr_math.hpp"
#include "omath/linear_algebra/vector2.hpp"
#include "omath/trigonometry/angle.hpp"
#include <cstdint>
@@ -140,20 +141,20 @@ namespace omath
}
#ifndef _MSC_VER
[[nodiscard("You must use length")]] constexpr Type length() const
[[nodiscard("You must use length")]] constexpr Type length() const noexcept
{
return std::hypot(this->x, this->y, z);
return internal::hypot(this->x, this->y, z);
}
[[nodiscard("You must use 2D length")]] constexpr Type length_2d() const
[[nodiscard("You must use 2D length")]] constexpr Type length_2d() const noexcept
{
return Vector2<Type>::length();
}
[[nodiscard("You must use distance")]] Type distance_to(const Vector3& other) const
[[nodiscard("You must use distance")]] constexpr Type distance_to(const Vector3& other) const noexcept
{
return (*this - other).length();
}
[[nodiscard("You must use normalized vector")]] constexpr Vector3 normalized() const
[[nodiscard("You must use normalized vector")]] constexpr Vector3 normalized() const noexcept
{
const Type length_value = this->length();
@@ -161,13 +162,13 @@ namespace omath
}
#else
[[nodiscard("You must use length")]]
Type length() const noexcept
constexpr Type length() const noexcept
{
return std::hypot(this->x, this->y, z);
return internal::hypot(this->x, this->y, this->z);
}
[[nodiscard("You must use normalized vector")]]
Vector3 normalized() const noexcept
constexpr Vector3 normalized() const noexcept
{
const Type len = this->length();
@@ -175,13 +176,13 @@ namespace omath
}
[[nodiscard("You must use 2D length")]]
Type length_2d() const noexcept
constexpr Type length_2d() const noexcept
{
return Vector2<Type>::length();
}
[[nodiscard("You must use distance")]]
Type distance_to(const Vector3& v_other) const noexcept
constexpr Type distance_to(const Vector3& v_other) const noexcept
{
return (*this - v_other).length();
}
@@ -249,24 +250,23 @@ namespace omath
}
[[nodiscard("You must use direction check result")]]
bool point_to_same_direction(const Vector3& other) const
constexpr bool point_to_same_direction(const Vector3& other) const
{
return dot(other) > static_cast<Type>(0);
}
[[nodiscard("You must use angle between vectors")]]
std::expected<Angle<float, 0.f, 180.f, AngleFlags::Clamped>, Vector3Error>
constexpr std::expected<Angle<float, 0.f, 180.f, AngleFlags::Clamped>, Vector3Error>
angle_between(const Vector3& other) const noexcept
{
const auto bottom = length() * other.length();
if (bottom == static_cast<Type>(0))
return std::unexpected(Vector3Error::IMPOSSIBLE_BETWEEN_ANGLE);
return Angle<float, 0.f, 180.f, AngleFlags::Clamped>::from_radians(std::acos(dot(other) / bottom));
return Angle<float, 0.f, 180.f, AngleFlags::Clamped>::from_radians(internal::acos(dot(other) / bottom));
}
[[nodiscard("You must use perpendicularity check result")]]
bool is_perpendicular(const Vector3& other, Type epsilon = static_cast<Type>(0.0001)) const noexcept
constexpr bool is_perpendicular(const Vector3& other, Type epsilon = static_cast<Type>(0.0001)) const noexcept
{
if (const auto angle = angle_between(other))
return std::abs(angle->as_degrees() - static_cast<Type>(90)) <= epsilon;
@@ -287,25 +287,25 @@ namespace omath
}
[[nodiscard("You must use comparison result")]]
bool operator<(const Vector3& other) const noexcept
constexpr bool operator<(const Vector3& other) const noexcept
{
return length() < other.length();
}
[[nodiscard("You must use comparison result")]]
bool operator>(const Vector3& other) const noexcept
constexpr bool operator>(const Vector3& other) const noexcept
{
return length() > other.length();
}
[[nodiscard("You must use comparison result")]]
bool operator<=(const Vector3& other) const noexcept
constexpr bool operator<=(const Vector3& other) const noexcept
{
return length() <= other.length();
}
[[nodiscard("You must use comparison result")]]
bool operator>=(const Vector3& other) const noexcept
constexpr bool operator>=(const Vector3& other) const noexcept
{
return length() >= other.length();
}
@@ -318,13 +318,15 @@ namespace omath
};
} // namespace omath
template<> struct std::hash<omath::Vector3<float>>
template<class Type>
struct std::hash<omath::Vector3<Type>> final // NOLINT(*-dcl58-cpp)
{
// NOTE: Cannot be constexpr because of MSVC
[[nodiscard("You must use hash value")]]
std::size_t operator()(const omath::Vector3<float>& vec) const noexcept
std::size_t operator()(const omath::Vector3<Type>& vec) const noexcept
{
std::size_t hash = 0;
constexpr std::hash<float> hasher;
constexpr std::hash<Type> hasher;
hash ^= hasher(vec.x) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.y) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
@@ -335,10 +337,10 @@ template<> struct std::hash<omath::Vector3<float>>
};
template<class Type>
struct std::formatter<omath::Vector3<Type>> // NOLINT(*-dcl58-cpp)
struct std::formatter<omath::Vector3<Type>> final // NOLINT(*-dcl58-cpp)
{
[[nodiscard("You must use parse iterator")]]
static constexpr auto parse(std::format_parse_context& ctx)
static constexpr auto parse(std::format_parse_context& ctx) noexcept
{
return ctx.begin();
}
+6 -6
View File
@@ -225,13 +225,14 @@ namespace omath
};
} // namespace omath
template<> struct std::hash<omath::Vector4<float>>
template<class Type>
struct std::hash<omath::Vector4<Type>> final // NOLINT(*-dcl58-cpp)
{
[[nodiscard("You must use hash value")]]
std::size_t operator()(const omath::Vector4<float>& vec) const noexcept
std::size_t operator()(const omath::Vector4<Type>& vec) const noexcept
{
std::size_t hash = 0;
constexpr std::hash<float> hasher;
constexpr std::hash<Type> hasher;
hash ^= hasher(vec.x) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.y) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
@@ -240,12 +241,11 @@ template<> struct std::hash<omath::Vector4<float>>
return hash;
}
};
template<class Type>
struct std::formatter<omath::Vector4<Type>> // NOLINT(*-dcl58-cpp)
struct std::formatter<omath::Vector4<Type>> final // NOLINT(*-dcl58-cpp)
{
[[nodiscard("You must use parse iterator")]]
static constexpr auto parse(std::format_parse_context& ctx)
static constexpr auto parse(std::format_parse_context& ctx) noexcept
{
return ctx.begin();
}
+2 -2
View File
@@ -13,12 +13,12 @@ namespace omath::pathfinding
class Astar final
{
public:
[[nodiscard]]
[[nodiscard("You forgot to use returned path")]]
static std::vector<Vector3<float>> find_path(const Vector3<float>& start, const Vector3<float>& end,
const NavigationMesh& nav_mesh) noexcept;
private:
[[nodiscard]]
[[nodiscard("You forgot to use reconstructed path")]]
static std::vector<Vector3<float>>
reconstruct_final_path(const std::unordered_map<Vector3<float>, PathNode>& closed_list,
const Vector3<float>& current) noexcept;
+168 -80
View File
@@ -6,6 +6,7 @@
#include "omath/3d_primitives/aabb.hpp"
#include "omath/3d_primitives/obb.hpp"
#include "omath/internal/constexpr_math.hpp"
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/triangle.hpp"
#include "omath/linear_algebra/vector3.hpp"
@@ -84,8 +85,9 @@ namespace omath::projection
};
~Camera() = default;
Camera(const Vector3<NumericType>& position, const ViewAnglesType& view_angles, const ViewPort& view_port,
const FieldOfView& fov, const NumericType near, const NumericType far) noexcept
constexpr Camera(const Vector3<NumericType>& position, const ViewAnglesType& view_angles,
const ViewPort& view_port, const FieldOfView& fov, const NumericType near,
const NumericType far) noexcept
: m_view_port(view_port), m_field_of_view(fov), m_far_plane_distance(far), m_near_plane_distance(near),
m_view_angles(view_angles), m_origin(position)
{
@@ -102,18 +104,18 @@ namespace omath::projection
// NEGATIVE_ONE_TO_ONE) share the same m[0,0]/m[1,1] layout, so this works
// regardless of the NDC depth range.
[[nodiscard("You must use extracted projection params")]]
static ProjectionParams extract_projection_params(const Mat4X4Type& proj_matrix) noexcept
constexpr static ProjectionParams extract_projection_params(const Mat4X4Type& proj_matrix) noexcept
{
// m[1,1] == 1 / tan(fov/2) => fov = 2 * atan(1 / m[1,1])
const auto f = proj_matrix.at(1, 1);
// m[0,0] == m[1,1] / aspect_ratio => aspect = m[1,1] / m[0,0]
const auto fov_radians = NumericType{2} * std::atan(NumericType{1} / f);
const auto fov_radians = NumericType{2} * internal::atan(NumericType{1} / f);
return {FieldOfView::from_radians(static_cast<typename FieldOfView::ArithmeticType>(fov_radians)),
f / proj_matrix.at(0, 0)};
}
[[nodiscard("You must use calculated view angles")]]
static ViewAnglesType calc_view_angles_from_view_matrix(const Mat4X4Type& view_matrix) noexcept
constexpr static ViewAnglesType calc_view_angles_from_view_matrix(const Mat4X4Type& view_matrix) noexcept
{
Vector3<NumericType> forward_vector = {view_matrix[2, 0], view_matrix[2, 1], view_matrix[2, 2]};
if constexpr (axes.inverted_forward)
@@ -122,7 +124,7 @@ namespace omath::projection
}
[[nodiscard("You must use calculated origin")]]
static Vector3<NumericType> calc_origin_from_view_matrix(const Mat4X4Type& view_matrix) noexcept
constexpr static Vector3<NumericType> calc_origin_from_view_matrix(const Mat4X4Type& view_matrix) noexcept
{
// The view matrix is R * T(-origin), so the last column stores t = -R * origin.
// Recovering origin: origin = -R^T * t
@@ -136,40 +138,58 @@ namespace omath::projection
};
}
void look_at(const Vector3<NumericType>& target)
constexpr void look_at(const Vector3<NumericType>& target)
{
m_view_angles = TraitClass::calc_look_at_angle(m_origin, target);
m_view_projection_matrix = std::nullopt;
m_view_matrix = std::nullopt;
}
[[nodiscard("You must use calculated look-at angles")]]
ViewAnglesType calc_look_at_angles(const Vector3<NumericType>& look_to) const
constexpr ViewAnglesType calc_look_at_angles(const Vector3<NumericType>& look_to) const
{
return TraitClass::calc_look_at_angle(m_origin, look_to);
}
[[nodiscard("You must use forward vector")]]
Vector3<NumericType> get_forward() const noexcept
constexpr Vector3<NumericType> get_forward() const noexcept
{
if consteval
{
const auto view_matrix = calc_view_matrix();
return {view_matrix[2, 0], view_matrix[2, 1], view_matrix[2, 2]};
}
const auto& view_matrix = get_view_matrix();
return {view_matrix[2, 0], view_matrix[2, 1], view_matrix[2, 2]};
}
[[nodiscard("You must use right vector")]]
Vector3<NumericType> get_right() const noexcept
constexpr Vector3<NumericType> get_right() const noexcept
{
if consteval
{
const auto view_matrix = calc_view_matrix();
return {view_matrix[0, 0], view_matrix[0, 1], view_matrix[0, 2]};
}
const auto& view_matrix = get_view_matrix();
return {view_matrix[0, 0], view_matrix[0, 1], view_matrix[0, 2]};
}
[[nodiscard("You must use up vector")]]
Vector3<NumericType> get_up() const noexcept
constexpr Vector3<NumericType> get_up() const noexcept
{
if consteval
{
const auto view_matrix = calc_view_matrix();
return {view_matrix[1, 0], view_matrix[1, 1], view_matrix[1, 2]};
}
const auto& view_matrix = get_view_matrix();
return {view_matrix[1, 0], view_matrix[1, 1], view_matrix[1, 2]};
}
[[nodiscard("You must use absolute forward vector")]]
Vector3<NumericType> get_abs_forward() const noexcept
constexpr Vector3<NumericType> get_abs_forward() const noexcept
{
if constexpr (axes.inverted_forward)
return -get_forward();
@@ -177,7 +197,7 @@ namespace omath::projection
}
[[nodiscard("You must use absolute right vector")]]
Vector3<NumericType> get_abs_right() const noexcept
constexpr Vector3<NumericType> get_abs_right() const noexcept
{
if constexpr (axes.inverted_right)
return -get_right();
@@ -185,13 +205,32 @@ namespace omath::projection
}
[[nodiscard("You must use absolute up vector")]]
Vector3<NumericType> get_abs_up() const noexcept
constexpr Vector3<NumericType> get_abs_up() const noexcept
{
return get_up();
}
[[nodiscard("You must use calculated view-projection matrix")]]
constexpr Mat4X4Type calc_view_projection_matrix() const noexcept
{
return calc_projection_matrix() * calc_view_matrix();
}
[[nodiscard("You must use calculated view matrix")]]
constexpr Mat4X4Type calc_view_matrix() const noexcept
{
return TraitClass::calc_view_matrix(m_view_angles, m_origin);
}
[[nodiscard("You must use calculated projection matrix")]]
constexpr Mat4X4Type calc_projection_matrix() const noexcept
{
return TraitClass::calc_projection_matrix(m_field_of_view, m_view_port, m_near_plane_distance,
m_far_plane_distance, depth_range);
}
[[nodiscard("You must use view-projection matrix")]]
const Mat4X4Type& get_view_projection_matrix() const noexcept
constexpr const Mat4X4Type& get_view_projection_matrix() const noexcept
{
if (!m_view_projection_matrix.has_value())
m_view_projection_matrix = get_projection_matrix() * get_view_matrix();
@@ -199,90 +238,96 @@ namespace omath::projection
return m_view_projection_matrix.value();
}
[[nodiscard("You must use view matrix")]] const Mat4X4Type& get_view_matrix() const noexcept
[[nodiscard("You must use view matrix")]]
constexpr const Mat4X4Type& get_view_matrix() const noexcept
{
if (!m_view_matrix.has_value())
m_view_matrix = TraitClass::calc_view_matrix(m_view_angles, m_origin);
m_view_matrix = calc_view_matrix();
return m_view_matrix.value();
}
[[nodiscard("You must use projection matrix")]] const Mat4X4Type& get_projection_matrix() const noexcept
[[nodiscard("You must use projection matrix")]] constexpr const Mat4X4Type&
get_projection_matrix() const noexcept
{
if (!m_projection_matrix.has_value())
m_projection_matrix = TraitClass::calc_projection_matrix(
m_field_of_view, m_view_port, m_near_plane_distance, m_far_plane_distance, depth_range);
m_projection_matrix = calc_projection_matrix();
return m_projection_matrix.value();
}
void set_field_of_view(const FieldOfView& fov) noexcept
constexpr void set_field_of_view(const FieldOfView& fov) noexcept
{
m_field_of_view = fov;
m_view_projection_matrix = std::nullopt;
m_projection_matrix = std::nullopt;
}
void set_near_plane(const NumericType near_plane) noexcept
constexpr void set_near_plane(const NumericType near_plane) noexcept
{
m_near_plane_distance = near_plane;
m_view_projection_matrix = std::nullopt;
m_projection_matrix = std::nullopt;
}
void set_far_plane(const NumericType far_plane) noexcept
constexpr void set_far_plane(const NumericType far_plane) noexcept
{
m_far_plane_distance = far_plane;
m_view_projection_matrix = std::nullopt;
m_projection_matrix = std::nullopt;
}
void set_view_angles(const ViewAnglesType& view_angles) noexcept
constexpr void set_view_angles(const ViewAnglesType& view_angles) noexcept
{
m_view_angles = view_angles;
m_view_projection_matrix = std::nullopt;
m_view_matrix = std::nullopt;
}
void set_origin(const Vector3<NumericType>& origin) noexcept
constexpr void set_origin(const Vector3<NumericType>& origin) noexcept
{
m_origin = origin;
m_view_projection_matrix = std::nullopt;
m_view_matrix = std::nullopt;
}
void set_view_port(const ViewPort& view_port) noexcept
constexpr void set_view_port(const ViewPort& view_port) noexcept
{
m_view_port = view_port;
m_view_projection_matrix = std::nullopt;
m_projection_matrix = std::nullopt;
}
[[nodiscard("You must use field of view")]] const FieldOfView& get_field_of_view() const noexcept
[[nodiscard("You must use field of view")]]
constexpr const FieldOfView& get_field_of_view() const noexcept
{
return m_field_of_view;
}
[[nodiscard("You must use near plane")]] const NumericType& get_near_plane() const noexcept
[[nodiscard("You must use near plane")]]
constexpr const NumericType& get_near_plane() const noexcept
{
return m_near_plane_distance;
}
[[nodiscard("You must use far plane")]] const NumericType& get_far_plane() const noexcept
[[nodiscard("You must use far plane")]]
constexpr const NumericType& get_far_plane() const noexcept
{
return m_far_plane_distance;
}
[[nodiscard("You must use view angles")]] const ViewAnglesType& get_view_angles() const noexcept
[[nodiscard("You must use view angles")]]
constexpr const ViewAnglesType& get_view_angles() const noexcept
{
return m_view_angles;
}
[[nodiscard("You must use origin")]] const Vector3<NumericType>& get_origin() const noexcept
[[nodiscard("You must use origin")]]
constexpr const Vector3<NumericType>& get_origin() const noexcept
{
return m_origin;
}
template<ScreenStart screen_start = ScreenStart::TOP_LEFT_CORNER>
[[nodiscard("You must use screen position")]] std::expected<Vector3<NumericType>, Error>
[[nodiscard("You must use screen position")]] constexpr std::expected<Vector3<NumericType>, Error>
world_to_screen(const Vector3<NumericType>& world_position) const noexcept
{
const auto normalized_cords = world_to_view_port(world_position);
@@ -298,7 +343,7 @@ namespace omath::projection
std::unreachable();
}
template<ScreenStart screen_start = ScreenStart::TOP_LEFT_CORNER>
[[nodiscard("You must use unclipped screen position")]] std::expected<Vector3<NumericType>, Error>
[[nodiscard("You must use unclipped screen position")]] constexpr std::expected<Vector3<NumericType>, Error>
world_to_screen_unclipped(const Vector3<NumericType>& world_position) const noexcept
{
const auto normalized_cords = world_to_view_port(world_position, ViewPortClipping::MANUAL);
@@ -314,7 +359,7 @@ namespace omath::projection
std::unreachable();
}
[[nodiscard("You must use frustum culling result")]] bool
[[nodiscard("You must use frustum culling result")]] constexpr bool
is_culled_by_frustum(const Triangle<Vector3<NumericType>>& triangle) const noexcept
{
// Transform to clip space (before perspective divide)
@@ -382,7 +427,7 @@ namespace omath::projection
return false;
}
[[nodiscard("You must use AABB frustum culling result")]] bool
[[nodiscard("You must use AABB frustum culling result")]] constexpr bool
is_aabb_culled_by_frustum(const primitives::Aabb<NumericType>& aabb) const noexcept
{
// For each plane, find the AABB corner most in the direction of the plane normal
@@ -400,7 +445,7 @@ namespace omath::projection
return false;
}
[[nodiscard("You must use OBB frustum culling result")]] bool
[[nodiscard("You must use OBB frustum culling result")]] constexpr bool
is_obb_culled_by_frustum(const primitives::Obb<NumericType>& obb) const noexcept
{
// For each plane, project the OBB extents onto the plane normal to get the
@@ -410,9 +455,9 @@ namespace omath::projection
const Vector3<NumericType> normal{a, b, c};
const auto center_distance = normal.dot(obb.center) + d;
const auto radius = obb.half_extents.x * std::abs(normal.dot(obb.axis_x))
+ obb.half_extents.y * std::abs(normal.dot(obb.axis_y))
+ obb.half_extents.z * std::abs(normal.dot(obb.axis_z));
const auto radius = obb.half_extents.x * internal::abs(normal.dot(obb.axis_x))
+ obb.half_extents.y * internal::abs(normal.dot(obb.axis_y))
+ obb.half_extents.z * internal::abs(normal.dot(obb.axis_z));
if (center_distance + radius < NumericType{0})
return true;
@@ -421,60 +466,102 @@ namespace omath::projection
return false;
}
[[nodiscard("You must use view port position")]] std::expected<Vector3<NumericType>, Error>
[[nodiscard("You must view camera space coordinates")]]
constexpr Vector3<NumericType> world_to_view_coordinates(const Vector3<NumericType>& world_coordinates) const noexcept
{
if consteval
{
const auto view_coordinates =
calc_view_matrix()
* mat_column_from_vector<NumericType, Mat4X4Type::get_store_ordering()>(world_coordinates);
return {view_coordinates.at(0, 0), view_coordinates.at(1, 0), view_coordinates.at(2, 0)};
}
const auto view_coordinates =
get_view_matrix()
* mat_column_from_vector<NumericType, Mat4X4Type::get_store_ordering()>(world_coordinates);
return {view_coordinates.at(0, 0), view_coordinates.at(1, 0), view_coordinates.at(2, 0)};
}
[[nodiscard("You must use view port position")]] constexpr std::expected<Vector3<NumericType>, Error>
world_to_view_port(const Vector3<NumericType>& world_position,
const ViewPortClipping& clipping = ViewPortClipping::AUTO) const noexcept
{
auto project_to_view_port = [&clipping](auto projected) -> std::expected<Vector3<NumericType>, Error>
{
const auto& w = projected.at(3, 0);
constexpr auto eps = std::numeric_limits<NumericType>::epsilon();
if (w <= eps)
return std::unexpected(Error::PERSPECTIVE_DIVIDER_LESS_EQ_ZERO);
projected /= w;
// ReSharper disable once CppTooWideScope
const auto clipped_automatically =
clipping == ViewPortClipping::AUTO && is_ndc_out_of_bounds(projected);
if (clipped_automatically)
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
// ReSharper disable once CppTooWideScope
constexpr auto z_min = depth_range == NDCDepthRange::ZERO_TO_ONE ? NumericType{0} : -NumericType{1};
const auto clipped_manually =
clipping == ViewPortClipping::MANUAL
&& (projected.at(2, 0) < z_min - eps || projected.at(2, 0) > NumericType{1} + eps);
if (clipped_manually)
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
return Vector3<NumericType>{projected.at(0, 0), projected.at(1, 0), projected.at(2, 0)};
};
if consteval
{
auto projected =
calc_view_projection_matrix()
* mat_column_from_vector<NumericType, Mat4X4Type::get_store_ordering()>(world_position);
return project_to_view_port(projected);
}
auto projected = get_view_projection_matrix()
* mat_column_from_vector<NumericType, Mat4X4Type::get_store_ordering()>(world_position);
const auto& w = projected.at(3, 0);
constexpr auto eps = std::numeric_limits<NumericType>::epsilon();
if (w <= eps)
return std::unexpected(Error::PERSPECTIVE_DIVIDER_LESS_EQ_ZERO);
projected /= w;
// ReSharper disable once CppTooWideScope
const auto clipped_automatically = clipping == ViewPortClipping::AUTO && is_ndc_out_of_bounds(projected);
if (clipped_automatically)
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
// ReSharper disable once CppTooWideScope
constexpr auto z_min = depth_range == NDCDepthRange::ZERO_TO_ONE ? NumericType{0} : -NumericType{1};
const auto clipped_manually =
clipping == ViewPortClipping::MANUAL
&& (projected.at(2, 0) < z_min - eps || projected.at(2, 0) > NumericType{1} + eps);
if (clipped_manually)
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
return Vector3<NumericType>{projected.at(0, 0), projected.at(1, 0), projected.at(2, 0)};
return project_to_view_port(projected);
}
[[nodiscard("You must use world position")]]
std::expected<Vector3<NumericType>, Error> view_port_to_world(const Vector3<NumericType>& ndc) const noexcept
constexpr std::expected<Vector3<NumericType>, Error>
view_port_to_world(const Vector3<NumericType>& ndc) const noexcept
{
const auto inv_view_proj = get_view_projection_matrix().inverted();
auto view_port_to_world =
[&ndc](const Mat4X4Type& view_projection) -> std::expected<Vector3<NumericType>, Error>
{
const auto inv_view_proj = view_projection.inverted();
if (!inv_view_proj)
return std::unexpected(Error::INV_VIEW_PROJ_MAT_DET_EQ_ZERO);
if (!inv_view_proj)
return std::unexpected(Error::INV_VIEW_PROJ_MAT_DET_EQ_ZERO);
auto inverted_projection =
inv_view_proj.value() * mat_column_from_vector<NumericType, Mat4X4Type::get_store_ordering()>(ndc);
auto inverted_projection = inv_view_proj.value()
* mat_column_from_vector<NumericType, Mat4X4Type::get_store_ordering()>(ndc);
const auto& w = inverted_projection.at(3, 0);
const auto& w = inverted_projection.at(3, 0);
if (std::abs(w) < std::numeric_limits<NumericType>::epsilon())
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
if (internal::abs(w) < std::numeric_limits<NumericType>::epsilon())
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
inverted_projection /= w;
inverted_projection /= w;
return Vector3<NumericType>{inverted_projection.at(0, 0), inverted_projection.at(1, 0),
inverted_projection.at(2, 0)};
return Vector3<NumericType>{inverted_projection.at(0, 0), inverted_projection.at(1, 0),
inverted_projection.at(2, 0)};
};
if consteval
{
return view_port_to_world(calc_view_projection_matrix());
}
return view_port_to_world(get_view_projection_matrix());
}
template<ScreenStart screen_start = ScreenStart::TOP_LEFT_CORNER>
[[nodiscard("You must use world position")]]
std::expected<Vector3<NumericType>, Error>
constexpr std::expected<Vector3<NumericType>, Error>
screen_to_world(const Vector3<NumericType>& screen_pos) const noexcept
{
return view_port_to_world(screen_to_ndc<screen_start>(screen_pos));
@@ -482,7 +569,7 @@ namespace omath::projection
template<ScreenStart screen_start = ScreenStart::TOP_LEFT_CORNER>
[[nodiscard("You must use world position")]]
std::expected<Vector3<NumericType>, Error>
constexpr std::expected<Vector3<NumericType>, Error>
screen_to_world(const Vector2<NumericType>& screen_pos) const noexcept
{
const auto& [x, y] = screen_pos;
@@ -517,7 +604,8 @@ namespace omath::projection
// Top = r3 - r1
// Near = r3 + r2 ([-1,1]) or r2 ([0,1])
// Far = r3 - r2
[[nodiscard("You must use frustum planes")]] std::array<FrustumPlane, 6> extract_frustum_planes() const noexcept
[[nodiscard("You must use frustum planes")]] constexpr std::array<FrustumPlane, 6>
extract_frustum_planes() const noexcept
{
const auto& m = get_view_projection_matrix();
@@ -589,7 +677,7 @@ namespace omath::projection
v
*/
[[nodiscard("You must use screen position")]] Vector3<NumericType>
[[nodiscard("You must use screen position")]] constexpr Vector3<NumericType>
ndc_to_screen_position_from_top_left_corner(const Vector3<NumericType>& ndc) const noexcept
{
/*
@@ -607,7 +695,7 @@ namespace omath::projection
(ndc.y / -NumericType{2} + NumericType{0.5}) * m_view_port.m_height, ndc.z};
}
[[nodiscard("You must use screen position")]] Vector3<NumericType>
[[nodiscard("You must use screen position")]] constexpr Vector3<NumericType>
ndc_to_screen_position_from_bottom_left_corner(const Vector3<NumericType>& ndc) const noexcept
{
/*
@@ -626,7 +714,7 @@ namespace omath::projection
}
template<ScreenStart screen_start = ScreenStart::TOP_LEFT_CORNER>
[[nodiscard("You must use NDC position")]] Vector3<NumericType>
[[nodiscard("You must use NDC position")]] constexpr Vector3<NumericType>
screen_to_ndc(const Vector3<NumericType>& screen_pos) const noexcept
{
if constexpr (screen_start == ScreenStart::TOP_LEFT_CORNER)
+17 -32
View File
@@ -21,36 +21,20 @@
namespace omath::rev_eng
{
template<std::size_t N>
struct FixedString final
{
char data[N]{};
// ReSharper disable once CppNonExplicitConvertingConstructor
constexpr FixedString(const char (&str)[N]) noexcept // NOLINT(*-explicit-constructor)
{
for (std::size_t i = 0; i < N; ++i)
data[i] = str[i];
}
// ReSharper disable once CppNonExplicitConversionOperator
constexpr operator std::string_view() const noexcept // NOLINT(*-explicit-constructor)
{
return {data, N - 1};
}
};
template<std::size_t N>
FixedString(const char (&)[N]) -> FixedString<N>;
class InternalReverseEngineeredObject
{
protected:
template<class Type>
[[nodiscard]] Type& get_by_offset(const std::ptrdiff_t offset)
[[nodiscard("You must use value")]]
Type& get_by_offset(const std::ptrdiff_t offset) noexcept
{
return *reinterpret_cast<Type*>(reinterpret_cast<std::uintptr_t>(this) + offset);
}
template<class Type>
[[nodiscard]] const Type& get_by_offset(const std::ptrdiff_t offset) const
[[nodiscard("You must use value")]]
const Type& get_by_offset(const std::ptrdiff_t offset) const noexcept
{
return *reinterpret_cast<Type*>(reinterpret_cast<std::uintptr_t>(this) + offset);
}
@@ -76,14 +60,16 @@ namespace omath::rev_eng
return reinterpret_cast<MethodType>(const_cast<void*>(ptr))(this, arg_list...);
}
template<FixedString ModuleName, FixedString Pattern, class ReturnType>
template<PatternScanner::ConstevalPattern ModuleName, PatternScanner::ConstevalPattern Pattern,
class ReturnType>
ReturnType call_method(auto... arg_list)
{
static const auto* address = resolve_pattern(ModuleName, Pattern);
return call_method<ReturnType>(address, arg_list...);
}
template<FixedString ModuleName, FixedString Pattern, class ReturnType>
template<PatternScanner::ConstevalPattern ModuleName, PatternScanner::ConstevalPattern Pattern,
class ReturnType>
ReturnType call_method(auto... arg_list) const
{
static const auto* address = resolve_pattern(ModuleName, Pattern);
@@ -91,14 +77,15 @@ namespace omath::rev_eng
}
template<class ReturnType>
ReturnType call_method(const std::string_view& module_name,const std::string_view& pattern, auto... arg_list)
ReturnType call_method(const std::string_view& module_name, const std::string_view& pattern, auto... arg_list)
{
static const auto* address = resolve_pattern(module_name, pattern);
return call_method<ReturnType>(address, arg_list...);
}
template<class ReturnType>
ReturnType call_method(const std::string_view& module_name,const std::string_view& pattern, auto... arg_list) const
ReturnType call_method(const std::string_view& module_name, const std::string_view& pattern,
auto... arg_list) const
{
static const auto* address = resolve_pattern(module_name, pattern);
return call_method<ReturnType>(address, arg_list...);
@@ -119,26 +106,24 @@ namespace omath::rev_eng
template<std::ptrdiff_t TableOffset, std::size_t Id, class ReturnType>
ReturnType call_virtual_method(auto... arg_list)
{
auto sub_this = reinterpret_cast<void*>(
reinterpret_cast<std::uintptr_t>(this) + TableOffset);
auto sub_this = reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(this) + TableOffset);
const auto vtable = *reinterpret_cast<void***>(sub_this);
#ifdef _MSC_VER
using Fn = ReturnType(__thiscall*)(void*, decltype(arg_list)...);
#else
using Fn = ReturnType(*)(void*, decltype(arg_list)...);
using Fn = ReturnType (*)(void*, decltype(arg_list)...);
#endif
return reinterpret_cast<Fn>(vtable[Id])(sub_this, arg_list...);
}
template<std::ptrdiff_t TableOffset, std::size_t Id, class ReturnType>
ReturnType call_virtual_method(auto... arg_list) const
{
auto sub_this = reinterpret_cast<const void*>(
reinterpret_cast<std::uintptr_t>(this) + TableOffset);
auto sub_this = reinterpret_cast<const void*>(reinterpret_cast<std::uintptr_t>(this) + TableOffset);
const auto vtable = *reinterpret_cast<void* const* const*>(sub_this);
#ifdef _MSC_VER
using Fn = ReturnType(__thiscall*)(const void*, decltype(arg_list)...);
#else
using Fn = ReturnType(*)(const void*, decltype(arg_list)...);
using Fn = ReturnType (*)(const void*, decltype(arg_list)...);
#endif
return reinterpret_cast<Fn>(vtable[Id])(sub_this, arg_list...);
}
@@ -161,8 +146,8 @@ namespace omath::rev_eng
return reinterpret_cast<const void*>(*result);
}
[[nodiscard]]
static const void* get_module_base(const std::string_view module_name)
[[nodiscard("You forgot to use module base address")]]
static const void* get_module_base(const std::string_view module_name) noexcept
{
#ifdef _WIN32
return GetModuleHandleA(module_name.data());
+16 -12
View File
@@ -3,6 +3,7 @@
//
#pragma once
#include "omath/internal/constexpr_math.hpp"
#include "omath/trigonometry/angles.hpp"
#include <algorithm>
#include <format>
@@ -70,31 +71,31 @@ namespace omath
}
[[nodiscard]]
Type sin() const noexcept
constexpr Type sin() const noexcept
{
return std::sin(as_radians());
return internal::sin(as_radians());
}
[[nodiscard]]
Type cos() const noexcept
constexpr Type cos() const noexcept
{
return std::cos(as_radians());
return internal::cos(as_radians());
}
[[nodiscard]]
Type tan() const noexcept
constexpr Type tan() const noexcept
{
return std::tan(as_radians());
return internal::tan(as_radians());
}
[[nodiscard]]
Type atan() const noexcept
constexpr Type atan() const noexcept
{
return std::atan(as_radians());
return internal::atan(as_radians());
}
[[nodiscard]]
Type cot() const noexcept
constexpr Type cot() const noexcept
{
return cos() / sin();
}
@@ -153,10 +154,11 @@ namespace omath
} // namespace omath
template<class T, T MinV, T MaxV, omath::AngleFlags F>
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, char> // NOLINT(*-dcl58-cpp)
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, char> final // NOLINT(*-dcl58-cpp)
{
using AngleT = omath::Angle<T, MinV, MaxV, F>;
[[nodiscard]]
static constexpr auto parse(std::format_parse_context& ctx)
{
return ctx.begin();
@@ -173,10 +175,11 @@ struct std::formatter<omath::Angle<T, MinV, MaxV, F>, char> // NOLINT(*-dcl58-cp
// wchar_t formatter
template<class T, T MinV, T MaxV, omath::AngleFlags F>
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, wchar_t> // NOLINT(*-dcl58-cpp)
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, wchar_t> final // NOLINT(*-dcl58-cpp)
{
using AngleT = omath::Angle<T, MinV, MaxV, F>;
[[nodiscard]]
static constexpr auto parse(std::wformat_parse_context& ctx)
{
return ctx.begin();
@@ -193,10 +196,11 @@ struct std::formatter<omath::Angle<T, MinV, MaxV, F>, wchar_t> // NOLINT(*-dcl58
// wchar_t formatter
template<class T, T MinV, T MaxV, omath::AngleFlags F>
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, char8_t> // NOLINT(*-dcl58-cpp)
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, char8_t> final // NOLINT(*-dcl58-cpp)
{
using AngleT = omath::Angle<T, MinV, MaxV, F>;
[[nodiscard]]
static constexpr auto parse(std::wformat_parse_context& ctx)
{
return ctx.begin();
+8 -6
View File
@@ -3,6 +3,7 @@
//
#pragma once
#include "omath/internal/constexpr_math.hpp"
#include <cmath>
#include <numbers>
@@ -24,37 +25,38 @@ namespace omath::angles
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]] Type horizontal_fov_to_vertical(const Type& horizontal_fov, const Type& aspect) noexcept
[[nodiscard]] constexpr Type horizontal_fov_to_vertical(const Type& horizontal_fov, const Type& aspect) noexcept
{
const auto fov_rad = degrees_to_radians(horizontal_fov);
const auto vert_fov = static_cast<Type>(2) * std::atan(std::tan(fov_rad / static_cast<Type>(2)) / aspect);
const auto vert_fov =
static_cast<Type>(2) * internal::atan(internal::tan(fov_rad / static_cast<Type>(2)) / aspect);
return radians_to_degrees(vert_fov);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]] Type vertical_fov_to_horizontal(const Type& vertical_fov, const Type& aspect) noexcept
[[nodiscard]] constexpr Type vertical_fov_to_horizontal(const Type& vertical_fov, const Type& aspect) noexcept
{
const auto fov_as_radians = degrees_to_radians(vertical_fov);
const auto horizontal_fov =
static_cast<Type>(2) * std::atan(std::tan(fov_as_radians / static_cast<Type>(2)) * aspect);
static_cast<Type>(2) * internal::atan(internal::tan(fov_as_radians / static_cast<Type>(2)) * aspect);
return radians_to_degrees(horizontal_fov);
}
template<class Type>
requires std::is_arithmetic_v<Type>
[[nodiscard]] Type wrap_angle(const Type& angle, const Type& min, const Type& max) noexcept
[[nodiscard]] constexpr Type wrap_angle(const Type& angle, const Type& min, const Type& max) noexcept
{
if (angle <= max && angle >= min)
return angle;
const Type range = max - min;
Type wrapped_angle = std::fmod(angle - min, range);
Type wrapped_angle = internal::fmod(angle - min, range);
if (wrapped_angle < 0)
wrapped_angle += range;
+1 -1
View File
@@ -18,7 +18,7 @@ namespace omath
RollType roll;
[[nodiscard]]
Vector3<ArithmeticType> as_vector3() const
constexpr Vector3<ArithmeticType> as_vector3() const
{
return {pitch.as_degrees(), yaw.as_degrees(), roll.as_degrees()};
}
+15 -15
View File
@@ -34,13 +34,13 @@ namespace omath
m_value.clamp(0.f, 1.f);
}
constexpr explicit Color() noexcept = default;
[[nodiscard]]
[[nodiscard("color result should not be discarded")]]
constexpr static Color from_rgba(const uint8_t r, const uint8_t g, const uint8_t b, const uint8_t a) noexcept
{
return Color(Vector4<float>(r, g, b, a) / 255.f);
}
[[nodiscard]]
[[nodiscard("color result should not be discarded")]]
constexpr static Color from_hsv(float hue, const float saturation, const float value) noexcept
{
float r{}, g{}, b{};
@@ -80,13 +80,13 @@ namespace omath
return {r, g, b, 1.f};
}
[[nodiscard]]
[[nodiscard("color result should not be discarded")]]
constexpr static Color from_hsv(const Hsv& hsv) noexcept
{
return from_hsv(hsv.hue, hsv.saturation, hsv.value);
}
[[nodiscard]]
[[nodiscard("hsv result should not be discarded")]]
constexpr Hsv to_hsv() const noexcept
{
Hsv hsv_data;
@@ -141,33 +141,33 @@ namespace omath
*this = from_hsv(hsv);
}
[[nodiscard]]
[[nodiscard("blended color result should not be discarded")]]
constexpr Color blend(const Color& other, float ratio) const noexcept
{
ratio = std::clamp(ratio, 0.f, 1.f);
return Color(this->m_value * (1.f - ratio) + other.m_value * ratio);
}
[[nodiscard]] static constexpr Color red()
[[nodiscard("color result should not be discarded")]] static constexpr Color red()
{
return {1.f, 0.f, 0.f, 1.f};
}
[[nodiscard]] static constexpr Color green()
[[nodiscard("color result should not be discarded")]] static constexpr Color green()
{
return {0.f, 1.f, 0.f, 1.f};
}
[[nodiscard]] static constexpr Color blue()
[[nodiscard("color result should not be discarded")]] static constexpr Color blue()
{
return {0.f, 0.f, 1.f, 1.f};
}
#ifdef OMATH_IMGUI_INTEGRATION
[[nodiscard]]
[[nodiscard("ImColor result should not be discarded")]]
ImColor to_im_color() const noexcept
{
return {m_value.to_im_vec4()};
}
#endif
[[nodiscard]] std::string to_string() const noexcept
[[nodiscard("string result should not be discarded")]] std::string to_string() const noexcept
{
return std::format("[r:{}, g:{}, b:{}, a:{}]",
static_cast<int>(m_value.x * 255.f),
@@ -175,24 +175,24 @@ namespace omath
static_cast<int>(m_value.z * 255.f),
static_cast<int>(m_value.w * 255.f));
}
[[nodiscard]] std::string to_rgbf_string() const noexcept
[[nodiscard("string result should not be discarded")]] std::string to_rgbf_string() const noexcept
{
return std::format("[r:{}, g:{}, b:{}, a:{}]",
m_value.x, m_value.y, m_value.z, m_value.w);
}
[[nodiscard]] std::string to_hsv_string() const noexcept
[[nodiscard("string result should not be discarded")]] std::string to_hsv_string() const noexcept
{
const auto [hue, saturation, value] = to_hsv();
return std::format("[h:{}, s:{}, v:{}]", hue, saturation, value);
}
[[nodiscard]] std::wstring to_wstring() const noexcept
[[nodiscard("wide string result should not be discarded")]] std::wstring to_wstring() const noexcept
{
const auto ascii_string = to_string();
return {ascii_string.cbegin(), ascii_string.cend()};
}
// ReSharper disable once CppInconsistentNaming
[[nodiscard]] std::u8string to_u8string() const noexcept
[[nodiscard("UTF-8 string result should not be discarded")]] std::u8string to_u8string() const noexcept
{
const auto ascii_string = to_string();
return {ascii_string.cbegin(), ascii_string.cend()};
@@ -254,4 +254,4 @@ struct std::formatter<omath::Color> // NOLINT(*-dcl58-cpp)
std::unreachable();
}
};
};
+63 -2
View File
@@ -2,12 +2,13 @@
// Created by Vladislav on 30.12.2025.
//
#pragma once
#include "pattern_scan.hpp"
#include "section_scan_result.hpp"
#include <cstdint>
#include <filesystem>
#include <optional>
#include <span>
#include <string_view>
#include "section_scan_result.hpp"
namespace omath
{
class ElfPatternScanner final
@@ -18,14 +19,74 @@ namespace omath
scan_for_pattern_in_loaded_module(const void* module_base_address, const std::string_view& pattern,
const std::string_view& target_section_name = ".text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<std::uintptr_t>
scan_for_pattern_in_loaded_module(const void* module_base_address,
const std::string_view& target_section_name = ".text")
{
return scan_for_pattern_in_loaded_module(module_base_address, target_section_name,
&ElfPatternScanner::scan_section_for_pattern<Pattern>);
}
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_file(const std::filesystem::path& path_to_file, const std::string_view& pattern,
const std::string_view& target_section_name = ".text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name = ".text")
{
return scan_for_pattern_in_file(path_to_file, target_section_name,
&ElfPatternScanner::scan_section_for_pattern<Pattern>);
}
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data, const std::string_view& pattern,
const std::string_view& target_section_name = ".text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data,
const std::string_view& target_section_name = ".text")
{
return scan_for_pattern_in_memory_file(file_data, target_section_name,
&ElfPatternScanner::scan_section_for_pattern<Pattern>);
}
private:
using SectionScanFunction = std::optional<std::ptrdiff_t> (*)(std::span<const std::byte>);
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<std::ptrdiff_t> scan_section_for_pattern(const std::span<const std::byte> section_data)
{
const auto result = PatternScanner::scan_for_pattern<Pattern>(section_data.begin(), section_data.end());
if (result == section_data.end())
return std::nullopt;
return result - section_data.begin();
}
[[nodiscard]]
static std::optional<std::uintptr_t>
scan_for_pattern_in_loaded_module(const void* module_base_address, const std::string_view& target_section_name,
SectionScanFunction scan_pattern);
[[nodiscard]]
static std::optional<SectionScanResult> scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name,
SectionScanFunction scan_pattern);
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data,
const std::string_view& target_section_name, SectionScanFunction scan_pattern);
};
} // namespace omath
} // namespace omath
+62 -1
View File
@@ -2,12 +2,13 @@
// Created by Copilot on 04.02.2026.
//
#pragma once
#include "pattern_scan.hpp"
#include "section_scan_result.hpp"
#include <cstdint>
#include <filesystem>
#include <optional>
#include <span>
#include <string_view>
#include "section_scan_result.hpp"
namespace omath
{
class MachOPatternScanner final
@@ -18,14 +19,74 @@ namespace omath
scan_for_pattern_in_loaded_module(const void* module_base_address, const std::string_view& pattern,
const std::string_view& target_section_name = "__text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<std::uintptr_t>
scan_for_pattern_in_loaded_module(const void* module_base_address,
const std::string_view& target_section_name = "__text")
{
return scan_for_pattern_in_loaded_module(module_base_address, target_section_name,
&MachOPatternScanner::scan_section_for_pattern<Pattern>);
}
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_file(const std::filesystem::path& path_to_file, const std::string_view& pattern,
const std::string_view& target_section_name = "__text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name = "__text")
{
return scan_for_pattern_in_file(path_to_file, target_section_name,
&MachOPatternScanner::scan_section_for_pattern<Pattern>);
}
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data, const std::string_view& pattern,
const std::string_view& target_section_name = "__text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data,
const std::string_view& target_section_name = "__text")
{
return scan_for_pattern_in_memory_file(file_data, target_section_name,
&MachOPatternScanner::scan_section_for_pattern<Pattern>);
}
private:
using SectionScanFunction = std::optional<std::ptrdiff_t> (*)(std::span<const std::byte>);
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<std::ptrdiff_t> scan_section_for_pattern(const std::span<const std::byte> section_data)
{
const auto result = PatternScanner::scan_for_pattern<Pattern>(section_data.begin(), section_data.end());
if (result == section_data.end())
return std::nullopt;
return result - section_data.begin();
}
[[nodiscard]]
static std::optional<std::uintptr_t>
scan_for_pattern_in_loaded_module(const void* module_base_address, const std::string_view& target_section_name,
SectionScanFunction scan_pattern);
[[nodiscard]]
static std::optional<SectionScanResult> scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name,
SectionScanFunction scan_pattern);
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data,
const std::string_view& target_section_name, SectionScanFunction scan_pattern);
};
} // namespace omath
+136 -6
View File
@@ -3,9 +3,12 @@
//
#pragma once
#include <algorithm>
#include <array>
#include <expected>
#include <optional>
#include <span>
#include <stdexcept>
#include <string_view>
#include <vector>
@@ -15,6 +18,8 @@ class unit_test_pattern_scan_corner_case_1_Test;
class unit_test_pattern_scan_corner_case_2_Test;
class unit_test_pattern_scan_corner_case_3_Test;
class unit_test_pattern_scan_corner_case_4_Test;
class unit_test_pattern_scan_consteval_read_test_Test;
class unit_test_pattern_scan_consteval_spacing_and_case_Test;
// ReSharper restore CppInconsistentNaming
namespace omath
{
@@ -29,8 +34,29 @@ namespace omath
friend unit_test_pattern_scan_corner_case_2_Test;
friend unit_test_pattern_scan_corner_case_3_Test;
friend unit_test_pattern_scan_corner_case_4_Test;
friend unit_test_pattern_scan_consteval_read_test_Test;
friend unit_test_pattern_scan_consteval_spacing_and_case_Test;
public:
template<std::size_t Length>
struct ConstevalPattern final
{
char value[Length]{};
// ReSharper disable once CppNonExplicitConvertingConstructor
constexpr ConstevalPattern(const char (&text)[Length]) // NOLINT(*-explicit-constructor)
{
std::ranges::copy(text, value);
}
[[nodiscard("You forgot to use string")]]
constexpr operator std::string_view() const noexcept // NOLINT(*-explicit-constructor)
{
return {value, Length - 1};
}
};
template<std::size_t N>
ConstevalPattern(const char (&)[N]) -> ConstevalPattern<N>;
[[nodiscard]]
static std::span<std::byte>::iterator scan_for_pattern(const std::span<std::byte>& range,
const std::string_view& pattern);
@@ -49,9 +75,26 @@ namespace omath
if (!parsed_pattern) [[unlikely]]
return end;
return scan_for_parsed_pattern(begin, end, parsed_pattern.value());
}
template<ConstevalPattern Pattern, class IteratorType>
requires std::input_or_output_iterator<std::remove_cvref_t<IteratorType>>
static IteratorType scan_for_pattern(const IteratorType& begin, const IteratorType& end)
{
constexpr auto parsed_pattern = parse_pattern<Pattern>();
return scan_for_parsed_pattern(begin, end, parsed_pattern);
}
private:
template<class IteratorType, class ParsedPattern>
requires std::input_or_output_iterator<std::remove_cvref_t<IteratorType>>
static IteratorType scan_for_parsed_pattern(const IteratorType& begin, const IteratorType& end,
const ParsedPattern& parsed_pattern)
{
const auto whole_range_size = static_cast<std::ptrdiff_t>(std::distance(begin, end));
const auto pattern_size = static_cast<std::ptrdiff_t>(parsed_pattern->size());
const auto pattern_size = static_cast<std::ptrdiff_t>(parsed_pattern.size());
const std::ptrdiff_t scan_size = whole_range_size - pattern_size;
if (scan_size < 0)
@@ -61,9 +104,9 @@ namespace omath
{
bool found = true;
for (std::ptrdiff_t j = 0; j < static_cast<std::ptrdiff_t>(parsed_pattern->size()); j++)
for (std::ptrdiff_t j = 0; j < static_cast<std::ptrdiff_t>(parsed_pattern.size()); j++)
{
found = parsed_pattern->at(j) == std::nullopt || parsed_pattern->at(j) == *(begin + i + j);
found = parsed_pattern.at(j) == std::nullopt || parsed_pattern.at(j) == *(begin + i + j);
if (!found)
break;
@@ -73,10 +116,97 @@ namespace omath
}
return end;
}
private:
[[nodiscard]]
static std::expected<std::vector<std::optional<std::byte>>, PatternScanError>
parse_pattern(const std::string_view& pattern_string);
[[nodiscard]]
constexpr static bool is_space(const char c)
{
return c == ' ' || c == '\t' || c == '\n' || c == '\r';
}
[[nodiscard]]
constexpr static int hex_value(const char c)
{
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
return -1;
}
template<ConstevalPattern Pattern>
[[nodiscard]]
static consteval std::size_t signature_size()
{
std::size_t count = 0;
bool in_token = false;
for (std::size_t i = 0; i + 1 < sizeof(Pattern.value); ++i)
{
if (is_space(Pattern.value[i]))
{
in_token = false;
}
else if (!in_token)
{
++count;
in_token = true;
}
}
return count;
}
template<ConstevalPattern Pattern>
static consteval std::array<std::optional<std::byte>, signature_size<Pattern>()> parse_pattern()
{
std::array<std::optional<std::byte>, signature_size<Pattern>()> result{};
std::size_t out = 0;
std::size_t i = 0;
while (i + 1 < sizeof(Pattern.value))
{
while (i + 1 < sizeof(Pattern.value) && is_space(Pattern.value[i]))
++i;
const std::size_t token_start = i;
while (i + 1 < sizeof(Pattern.value) && !is_space(Pattern.value[i]))
++i;
const std::size_t token_size = i - token_start;
if (token_size == 0)
continue;
// ReSharper disable once CppTooWideScope
const bool is_wildcard = (token_size == 1 || token_size == 2) && Pattern.value[token_start] == '?';
if (is_wildcard)
{
if (token_size == 2 && Pattern.value[token_start + 1] != '?')
throw std::logic_error("invalid wildcard token");
result[out++] = std::nullopt;
continue;
}
if (token_size != 2)
throw std::logic_error("invalid byte token");
const int high = hex_value(Pattern.value[token_start]);
const int low = hex_value(Pattern.value[token_start + 1]);
if (high < 0 || low < 0)
throw std::logic_error("invalid hex byte");
result[out++] = static_cast<std::byte>((high << 4) | low);
}
return result;
}
};
} // namespace omath
} // namespace omath
+63 -2
View File
@@ -3,12 +3,13 @@
//
#pragma once
#include "pattern_scan.hpp"
#include "section_scan_result.hpp"
#include <cstdint>
#include <filesystem>
#include <optional>
#include <span>
#include <string_view>
#include "section_scan_result.hpp"
namespace omath
{
@@ -20,14 +21,74 @@ namespace omath
scan_for_pattern_in_loaded_module(const void* module_base_address, const std::string_view& pattern,
const std::string_view& target_section_name = ".text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<std::uintptr_t>
scan_for_pattern_in_loaded_module(const void* module_base_address,
const std::string_view& target_section_name = ".text")
{
return scan_for_pattern_in_loaded_module(module_base_address, target_section_name,
&PePatternScanner::scan_section_for_pattern<Pattern>);
}
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_file(const std::filesystem::path& path_to_file, const std::string_view& pattern,
const std::string_view& target_section_name = ".text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name = ".text")
{
return scan_for_pattern_in_file(path_to_file, target_section_name,
&PePatternScanner::scan_section_for_pattern<Pattern>);
}
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data, const std::string_view& pattern,
const std::string_view& target_section_name = ".text");
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data,
const std::string_view& target_section_name = ".text")
{
return scan_for_pattern_in_memory_file(file_data, target_section_name,
&PePatternScanner::scan_section_for_pattern<Pattern>);
}
private:
using SectionScanFunction = std::optional<std::ptrdiff_t> (*)(std::span<const std::byte>);
template<PatternScanner::ConstevalPattern Pattern>
[[nodiscard]]
static std::optional<std::ptrdiff_t> scan_section_for_pattern(const std::span<const std::byte> section_data)
{
const auto result = PatternScanner::scan_for_pattern<Pattern>(section_data.begin(), section_data.end());
if (result == section_data.end())
return std::nullopt;
return result - section_data.begin();
}
[[nodiscard]]
static std::optional<std::uintptr_t>
scan_for_pattern_in_loaded_module(const void* module_base_address, const std::string_view& target_section_name,
SectionScanFunction scan_pattern);
[[nodiscard]]
static std::optional<SectionScanResult> scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name,
SectionScanFunction scan_pattern);
[[nodiscard]]
static std::optional<SectionScanResult>
scan_for_pattern_in_memory_file(std::span<const std::byte> file_data,
const std::string_view& target_section_name, SectionScanFunction scan_pattern);
};
} // namespace omath
} // namespace omath
+59
View File
@@ -0,0 +1,59 @@
module;
#include <algorithm>
#include <array>
#include <cassert>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <expected>
#include <filesystem>
#include <format>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <iterator>
#include <limits>
#include <memory>
#include <memory_resource>
#include <numbers>
#include <numeric>
#include <optional>
#include <queue>
#include <ranges>
#include <span>
#include <sstream>
#include <stdexcept>
#include <string>
#include <string_view>
#include <tuple>
#include <type_traits>
#include <unordered_map>
#include <utility>
#include <variant>
#include <vector>
#if defined(OMATH_USE_AVX2)
#include <immintrin.h>
#endif
#if defined(OMATH_IMGUI_INTEGRATION)
#include <imgui.h>
#endif
#if defined(_WIN32)
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
#elif defined(__APPLE__)
#include <mach-o/dyld.h>
#elif defined(__linux__) || defined(__unix__)
#include <link.h>
#endif
export module omath;
export {
#include "omath/omath.hpp"
}
-70
View File
@@ -1,70 +0,0 @@
//
// Created by Vlad on 3/22/2025.
//
#include "omath/engines/cry_engine/formulas.hpp"
namespace omath::cry_engine
{
Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(angles.y),
};
}
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near, far);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near, far);
std::unreachable();
}
} // namespace omath::cry_engine
@@ -1,27 +0,0 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/cry_engine/traits/camera_trait.hpp"
namespace omath::cry_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(std::asin(direction.z)),
YawAngle::from_radians(-std::atan2(direction.x, direction.y)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return cry_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
ndc_depth_range);
}
} // namespace omath::cry_engine
@@ -1,71 +0,0 @@
//
// Created by Vlad on 3/22/2025.
//
#include "omath/engines/frostbite_engine/formulas.hpp"
namespace omath::frostbite_engine
{
Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.y),
RollAngle::from_degrees(angles.z),
};
}
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near, far);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near, far);
std::unreachable();
}
} // namespace omath::unity_engine
@@ -1,27 +0,0 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/frostbite_engine/traits/camera_trait.hpp"
namespace omath::frostbite_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(-std::asin(direction.y)),
YawAngle::from_radians(std::atan2(direction.x, direction.z)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return frostbite_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
ndc_depth_range);
}
} // namespace omath::unity_engine
-79
View File
@@ -1,79 +0,0 @@
//
// Created by Vlad on 3/19/2025.
//
#include "omath/engines/iw_engine/formulas.hpp"
namespace omath::iw_engine
{
Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z(angles.yaw) * mat_rotation_axis_y(angles.pitch) * mat_rotation_axis_x(angles.roll);
}
Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.y),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(angles.x),
};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view(forward_vector(angles), right_vector(angles), up_vector(angles), cam_origin);
}
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
// InfinityWard Engine (inherited from Quake) stores FOV as horizontal FOV at a 4:3
// reference aspect. Convert to true vertical FOV, then delegate to the
// standard vertical-FOV left-handed builder with the caller's actual
// aspect ratio.
// vfov = 2 · atan( tan(hfov_4:3 / 2) / (4/3) )
constexpr float k_source_reference_aspect = 4.f / 3.f;
const auto vertical_fov = angles::horizontal_fov_to_vertical(field_of_view, k_source_reference_aspect);
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<
float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
vertical_fov, aspect_ratio, near, far);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<
float, MatStoreType::ROW_MAJOR, NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
vertical_fov, aspect_ratio, near, far);
std::unreachable();
};
} // namespace omath::iw_engine
@@ -1,27 +0,0 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/iw_engine/traits/camera_trait.hpp"
#include "omath/engines/iw_engine/formulas.hpp"
namespace omath::iw_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(-std::asin(direction.z)),
YawAngle::from_radians(std::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return iw_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
ndc_depth_range);
}
} // namespace omath::iw_engine
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@@ -1,73 +0,0 @@
//
// Created by Vlad on 3/19/2025.
//
#include "omath/engines/opengl_engine/formulas.hpp"
namespace omath::opengl_engine
{
Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec =
rotation_matrix(angles) * mat_column_from_vector<float, MatStoreType::COLUMN_MAJOR>(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec =
rotation_matrix(angles) * mat_column_from_vector<float, MatStoreType::COLUMN_MAJOR>(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector<float, MatStoreType::COLUMN_MAJOR>(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_look_at_right_handed(cam_origin, cam_origin + forward_vector(angles), up_vector(angles));
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::COLUMN_MAJOR>(angles.roll)
* mat_rotation_axis_y<float, MatStoreType::COLUMN_MAJOR>(angles.yaw)
* mat_rotation_axis_x<float, MatStoreType::COLUMN_MAJOR>(angles.pitch);
}
Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.y),
RollAngle::from_degrees(angles.z),
};
}
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_right_handed_vertical_fov<float, MatStoreType::COLUMN_MAJOR, NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near, far);
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_right_handed_vertical_fov<float, MatStoreType::COLUMN_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near, far);
std::unreachable();
}
} // namespace omath::opengl_engine
@@ -1,28 +0,0 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/opengl_engine/traits/camera_trait.hpp"
#include "omath/engines/opengl_engine/formulas.hpp"
namespace omath::opengl_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(std::asin(direction.y)),
YawAngle::from_radians(-std::atan2(direction.x, -direction.z)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return opengl_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
ndc_depth_range);
}
} // namespace omath::opengl_engine
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@@ -1,71 +0,0 @@
//
// Created by Orange on 6/3/2026.
//
#include "omath/engines/rage_engine/formulas.hpp"
namespace omath::rage_engine
{
Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(angles.y),
};
}
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near, far);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near, far);
std::unreachable();
}
} // namespace omath::rage_engine
@@ -1,27 +0,0 @@
//
// Created by Orange on 6/3/2026.
//
#include "omath/engines/rage_engine/traits/camera_trait.hpp"
namespace omath::rage_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(std::asin(direction.z)),
YawAngle::from_radians(-std::atan2(direction.x, direction.y)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return rage_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near, const float far,
const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
ndc_depth_range);
}
} // namespace omath::rage_engine
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@@ -1,79 +0,0 @@
//
// Created by Vlad on 3/19/2025.
//
#include <omath/engines/source_engine/formulas.hpp>
namespace omath::source_engine
{
Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z(angles.yaw) * mat_rotation_axis_y(angles.pitch) * mat_rotation_axis_x(angles.roll);
}
Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.y),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(angles.x),
};
}
Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view(forward_vector(angles), right_vector(angles), up_vector(angles), cam_origin);
}
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
// Source (inherited from Quake) stores FOV as horizontal FOV at a 4:3
// reference aspect. Convert to true vertical FOV, then delegate to the
// standard vertical-FOV left-handed builder with the caller's actual
// aspect ratio.
// vfov = 2 · atan( tan(hfov_4:3 / 2) / (4/3) )
constexpr float k_source_reference_aspect = 4.f / 3.f;
const auto vertical_fov = angles::horizontal_fov_to_vertical(field_of_view, k_source_reference_aspect);
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_vertical_fov<
float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
vertical_fov, aspect_ratio, near, far);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_vertical_fov<
float, MatStoreType::ROW_MAJOR, NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
vertical_fov, aspect_ratio, near, far);
std::unreachable();
}
} // namespace omath::source_engine
@@ -1,28 +0,0 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/source_engine/traits/camera_trait.hpp"
#include "omath/engines/source_engine/formulas.hpp"
namespace omath::source_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(-std::asin(direction.z)),
YawAngle::from_radians(std::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return source_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
ndc_depth_range);
}
} // namespace omath::source_engine
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@@ -1,70 +0,0 @@
//
// Created by Vlad on 3/22/2025.
//
#include "omath/engines/unity_engine/formulas.hpp"
namespace omath::unity_engine
{
Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(-forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
Vector3<float> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
Vector3<float> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(angles.x),
YawAngle::from_degrees(angles.y),
RollAngle::from_degrees(angles.z),
};
}
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return omath::mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near, far);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return omath::mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(field_of_view, aspect_ratio,
near, far);
std::unreachable();
}
} // namespace omath::unity_engine
@@ -1,27 +0,0 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/unity_engine/traits/camera_trait.hpp"
namespace omath::unity_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(-std::asin(direction.y)),
YawAngle::from_radians(std::atan2(direction.x, direction.z)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return unity_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far, const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
ndc_depth_range);
}
} // namespace omath::unity_engine
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@@ -1,77 +0,0 @@
//
// Created by Vlad on 3/22/2025.
//
#include "omath/engines/unreal_engine/formulas.hpp"
namespace omath::unreal_engine
{
Vector3<double> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<double> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<double> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<double>& cam_origin) noexcept
{
return mat_camera_view<double, MatStoreType::ROW_MAJOR>(forward_vector(angles), right_vector(angles),
up_vector(angles), cam_origin);
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
// UE FRotator is intrinsic Z-Y-X (Yaw → Pitch → Roll applied in local
// frame), which for column-vector composition is Rz·Ry·Rx.
// Pitch and roll axes in omath spin opposite to UE's convention, so
// both carry a sign flip.
return mat_rotation_axis_z<double, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_y<double, MatStoreType::ROW_MAJOR>(-angles.pitch)
* mat_rotation_axis_x<double, MatStoreType::ROW_MAJOR>(-angles.roll);
}
Vector3<double> extract_origin(const Mat4X4& mat) noexcept
{
return mat_extract_origin(mat);
}
Vector3<double> extract_scale(const Mat4X4& mat) noexcept
{
return mat_extract_scale(mat);
}
ViewAngles extract_rotation_angles(const Mat4X4& mat) noexcept
{
const auto angles = mat_extract_rotation_zyx(mat);
return {
PitchAngle::from_degrees(-angles.y),
YawAngle::from_degrees(angles.z),
RollAngle::from_degrees(-angles.x),
};
}
Mat4X4 calc_perspective_projection_matrix(const double field_of_view, const double aspect_ratio, const double near,
const double far, const NDCDepthRange ndc_depth_range) noexcept
{
// UE stores horizontal FOV in FMinimalViewInfo — use the left-handed
// horizontal-FOV builder directly.
if (ndc_depth_range == NDCDepthRange::ZERO_TO_ONE)
return mat_perspective_left_handed_horizontal_fov<
double, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
field_of_view, aspect_ratio, near, far);
if (ndc_depth_range == NDCDepthRange::NEGATIVE_ONE_TO_ONE)
return mat_perspective_left_handed_horizontal_fov<
double, MatStoreType::ROW_MAJOR, NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
field_of_view, aspect_ratio, near, far);
std::unreachable();
}
} // namespace omath::unreal_engine
@@ -1,27 +0,0 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/unreal_engine/traits/camera_trait.hpp"
namespace omath::unreal_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<double>& cam_origin, const Vector3<double>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(std::asin(direction.z)),
YawAngle::from_radians(std::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<double>& cam_origin) noexcept
{
return unreal_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const double near,
const double far, const NDCDepthRange ndc_depth_range) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
ndc_depth_range);
}
} // namespace omath::unreal_engine
+6 -6
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@@ -119,11 +119,11 @@ namespace
switch (axis)
{
case omath::primitives::UpAxis::X:
return aabb.top<omath::primitives::UpAxis::X>();
return omath::primitives::Aabb<float, omath::primitives::UpAxis::X>{aabb.min, aabb.max}.top();
case omath::primitives::UpAxis::Y:
return aabb.top<omath::primitives::UpAxis::Y>();
return aabb.top();
case omath::primitives::UpAxis::Z:
return aabb.top<omath::primitives::UpAxis::Z>();
return omath::primitives::Aabb<float, omath::primitives::UpAxis::Z>{aabb.min, aabb.max}.top();
}
std::unreachable();
}
@@ -133,11 +133,11 @@ namespace
switch (axis)
{
case omath::primitives::UpAxis::X:
return aabb.bottom<omath::primitives::UpAxis::X>();
return omath::primitives::Aabb<float, omath::primitives::UpAxis::X>{aabb.min, aabb.max}.bottom();
case omath::primitives::UpAxis::Y:
return aabb.bottom<omath::primitives::UpAxis::Y>();
return aabb.bottom();
case omath::primitives::UpAxis::Z:
return aabb.bottom<omath::primitives::UpAxis::Z>();
return omath::primitives::Aabb<float, omath::primitives::UpAxis::Z>{aabb.min, aabb.max}.bottom();
}
std::unreachable();
}
+93 -9
View File
@@ -304,8 +304,8 @@ namespace
elf_headers);
}
template<class FileHeader, class SectionHeader>
std::optional<std::uintptr_t> scan_in_module_impl(const std::byte* base, const std::string_view pattern,
template<class FileHeader, class SectionHeader, class ScanPattern>
std::optional<std::uintptr_t> scan_in_module_impl(const std::byte* base, const ScanPattern scan_pattern,
const std::string_view target_section_name)
{
const auto* file_header = reinterpret_cast<const FileHeader*>(base);
@@ -336,13 +336,14 @@ namespace
continue;
const auto* section_begin = base + static_cast<std::size_t>(section->sh_addr);
const auto* section_end = section_begin + static_cast<std::size_t>(section->sh_size);
const auto scan_range =
std::span<const std::byte>{section_begin, static_cast<std::size_t>(section->sh_size)};
const auto scan_result = omath::PatternScanner::scan_for_pattern(section_begin, section_end, pattern);
if (scan_result == section_end)
const auto target_offset = scan_pattern(scan_range);
if (!target_offset.has_value())
return std::nullopt;
return reinterpret_cast<std::uintptr_t>(scan_result);
return reinterpret_cast<std::uintptr_t>(section_begin + target_offset.value());
}
return std::nullopt;
@@ -374,15 +375,58 @@ namespace omath
if (!arch.has_value()) [[unlikely]]
return std::nullopt;
const auto scan_pattern =
[&pattern](const std::span<const std::byte> section_data) -> std::optional<std::ptrdiff_t>
{
const auto scan_result =
PatternScanner::scan_for_pattern(section_data.begin(), section_data.end(), pattern);
if (scan_result == section_data.end())
return std::nullopt;
return scan_result - section_data.begin();
};
if (arch == FileArch::x64)
return scan_in_module_impl<Elf64Ehdr, Elf64Shdr>(static_cast<const std::byte*>(module_base_address),
pattern, target_section_name);
scan_pattern, target_section_name);
if (arch == FileArch::x32)
return scan_in_module_impl<Elf32Ehdr, Elf32Shdr>(static_cast<const std::byte*>(module_base_address),
pattern, target_section_name);
scan_pattern, target_section_name);
std::unreachable();
}
std::optional<std::uintptr_t>
ElfPatternScanner::scan_for_pattern_in_loaded_module(const void* module_base_address,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
if (module_base_address == nullptr) [[unlikely]]
return std::nullopt;
const auto* base = static_cast<const std::byte*>(module_base_address);
constexpr std::string_view valid_elf_signature = "\x7F"
"ELF";
if (std::string_view{reinterpret_cast<const char*>(base), valid_elf_signature.size()} != valid_elf_signature)
return std::nullopt;
const auto ei_class_value = static_cast<uint8_t>(base[ei_class]);
const auto arch = ei_class_value == elfclass64 ? FileArch::x64
: ei_class_value == elfclass32 ? FileArch::x32
: std::optional<FileArch>{};
if (!arch.has_value()) [[unlikely]]
return std::nullopt;
if (arch == FileArch::x64)
return scan_in_module_impl<Elf64Ehdr, Elf64Shdr>(base, scan_pattern, target_section_name);
if (arch == FileArch::x32)
return scan_in_module_impl<Elf32Ehdr, Elf32Shdr>(base, scan_pattern, target_section_name);
std::unreachable();
}
std::optional<SectionScanResult>
ElfPatternScanner::scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& pattern,
@@ -405,6 +449,26 @@ namespace omath
.target_offset = offset};
}
std::optional<SectionScanResult>
ElfPatternScanner::scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
const auto section = get_elf_section_by_name(path_to_file, target_section_name);
if (!section.has_value()) [[unlikely]]
return std::nullopt;
const auto target_offset = scan_pattern(std::span<const std::byte>{section->data.data(), section->data.size()});
if (!target_offset.has_value())
return std::nullopt;
return SectionScanResult{.virtual_base_addr = section->virtual_base_addr,
.raw_base_addr = section->raw_base_addr,
.target_offset = target_offset.value()};
}
std::optional<SectionScanResult>
ElfPatternScanner::scan_for_pattern_in_memory_file(const std::span<const std::byte> file_data,
const std::string_view& pattern,
@@ -427,4 +491,24 @@ namespace omath
.raw_base_addr = section->raw_base_addr,
.target_offset = offset};
}
} // namespace omath
std::optional<SectionScanResult>
ElfPatternScanner::scan_for_pattern_in_memory_file(const std::span<const std::byte> file_data,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
const auto section = get_elf_section_by_name_from_memory(file_data, target_section_name);
if (!section.has_value()) [[unlikely]]
return std::nullopt;
const auto target_offset = scan_pattern(std::span<const std::byte>{section->data.data(), section->data.size()});
if (!target_offset.has_value())
return std::nullopt;
return SectionScanResult{.virtual_base_addr = section->virtual_base_addr,
.raw_base_addr = section->raw_base_addr,
.target_offset = target_offset.value()};
}
} // namespace omath
+89 -10
View File
@@ -316,8 +316,8 @@ namespace
data, section_name);
if (magic == mh_magic_32 || magic == mh_cigam_32)
return extract_section_from_memory_impl<MachHeader32, SegmentCommand32, Section32, lc_segment>(data,
section_name);
return extract_section_from_memory_impl<MachHeader32, SegmentCommand32, Section32, lc_segment>(
data, section_name);
return std::nullopt;
}
@@ -344,8 +344,9 @@ namespace
return extract_section_impl<MachHeader32, SegmentCommand32, Section32, lc_segment>(file, section_name);
}
template<typename HeaderType, typename SegmentType, typename SectionType, std::uint32_t segment_cmd>
std::optional<std::uintptr_t> scan_in_module_impl(const std::byte* base, const std::string_view pattern,
template<typename HeaderType, typename SegmentType, typename SectionType, std::uint32_t segment_cmd,
class ScanPattern>
std::optional<std::uintptr_t> scan_in_module_impl(const std::byte* base, const ScanPattern scan_pattern,
const std::string_view target_section_name)
{
const auto* header = reinterpret_cast<const HeaderType*>(base);
@@ -374,12 +375,13 @@ namespace
continue;
}
const auto* section_begin = base + static_cast<std::size_t>(section->addr);
const auto* section_end = section_begin + static_cast<std::size_t>(section->size);
const auto scan_range =
std::span<const std::byte>{section_begin, static_cast<std::size_t>(section->size)};
const auto scan_result = omath::PatternScanner::scan_for_pattern(section_begin, section_end, pattern);
const auto target_offset = scan_pattern(scan_range);
if (scan_result != section_end)
return reinterpret_cast<std::uintptr_t>(scan_result);
if (target_offset.has_value())
return reinterpret_cast<std::uintptr_t>(section_begin + target_offset.value());
}
}
@@ -404,12 +406,48 @@ namespace omath
std::uint32_t magic{};
std::memcpy(&magic, base, sizeof(magic));
const auto scan_pattern =
[&pattern](const std::span<const std::byte> section_data) -> std::optional<std::ptrdiff_t>
{
const auto scan_result =
PatternScanner::scan_for_pattern(section_data.begin(), section_data.end(), pattern);
if (scan_result == section_data.end())
return std::nullopt;
return scan_result - section_data.begin();
};
if (magic == mh_magic_64 || magic == mh_cigam_64)
return scan_in_module_impl<MachHeader64, SegmentCommand64, Section64, lc_segment_64>(base, pattern,
return scan_in_module_impl<MachHeader64, SegmentCommand64, Section64, lc_segment_64>(base, scan_pattern,
target_section_name);
if (magic == mh_magic_32 || magic == mh_cigam_32)
return scan_in_module_impl<MachHeader32, SegmentCommand32, Section32, lc_segment>(base, pattern,
return scan_in_module_impl<MachHeader32, SegmentCommand32, Section32, lc_segment>(base, scan_pattern,
target_section_name);
return std::nullopt;
}
std::optional<std::uintptr_t>
MachOPatternScanner::scan_for_pattern_in_loaded_module(const void* module_base_address,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
if (module_base_address == nullptr) [[unlikely]]
return std::nullopt;
const auto* base = static_cast<const std::byte*>(module_base_address);
std::uint32_t magic{};
std::memcpy(&magic, base, sizeof(magic));
if (magic == mh_magic_64 || magic == mh_cigam_64)
return scan_in_module_impl<MachHeader64, SegmentCommand64, Section64, lc_segment_64>(base, scan_pattern,
target_section_name);
if (magic == mh_magic_32 || magic == mh_cigam_32)
return scan_in_module_impl<MachHeader32, SegmentCommand32, Section32, lc_segment>(base, scan_pattern,
target_section_name);
return std::nullopt;
@@ -438,6 +476,27 @@ namespace omath
.target_offset = offset};
}
std::optional<SectionScanResult>
MachOPatternScanner::scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
const auto macho_section = get_macho_section_by_name(path_to_file, target_section_name);
if (!macho_section.has_value()) [[unlikely]]
return std::nullopt;
const auto target_offset =
scan_pattern(std::span<const std::byte>{macho_section->data.data(), macho_section->data.size()});
if (!target_offset.has_value())
return std::nullopt;
return SectionScanResult{.virtual_base_addr = macho_section->virtual_base_addr,
.raw_base_addr = macho_section->raw_base_addr,
.target_offset = target_offset.value()};
}
std::optional<SectionScanResult>
MachOPatternScanner::scan_for_pattern_in_memory_file(const std::span<const std::byte> file_data,
const std::string_view& pattern,
@@ -460,4 +519,24 @@ namespace omath
.raw_base_addr = section->raw_base_addr,
.target_offset = offset};
}
std::optional<SectionScanResult>
MachOPatternScanner::scan_for_pattern_in_memory_file(const std::span<const std::byte> file_data,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
const auto section = get_macho_section_by_name_from_memory(file_data, target_section_name);
if (!section.has_value()) [[unlikely]]
return std::nullopt;
const auto target_offset = scan_pattern(std::span<const std::byte>{section->data.data(), section->data.size()});
if (!target_offset.has_value())
return std::nullopt;
return SectionScanResult{.virtual_base_addr = section->virtual_base_addr,
.raw_base_addr = section->raw_base_addr,
.target_offset = target_offset.value()};
}
} // namespace omath
+111 -7
View File
@@ -234,8 +234,12 @@ namespace
constexpr bool invalid_nt_header_file(const NtHeaderVariant& variant)
{
constexpr std::uint32_t nt_hdr_magic = 0x4550;
return std::visit([&nt_hdr_magic](const auto& header) -> bool { return header.signature != nt_hdr_magic; },
variant);
return std::visit(
[&nt_hdr_magic](const auto& header) -> bool
{
return header.signature != nt_hdr_magic;
},
variant);
}
struct ExtractedSection final
@@ -262,8 +266,7 @@ namespace
if (nt_off + sizeof(ImageNtHeaders<NtArchitecture::x32_bit>) > data.size())
return std::nullopt;
const auto* x86_hdrs =
reinterpret_cast<const ImageNtHeaders<NtArchitecture::x32_bit>*>(data.data() + nt_off);
const auto* x86_hdrs = reinterpret_cast<const ImageNtHeaders<NtArchitecture::x32_bit>*>(data.data() + nt_off);
NtHeaderVariant nt_headers;
if (x86_hdrs->optional_header.magic == opt_hdr32_magic)
@@ -284,8 +287,8 @@ namespace
[&data, &section_name, nt_off](const auto& concrete_headers) -> std::optional<ExtractedSection>
{
constexpr std::size_t sig_size = sizeof(concrete_headers.signature);
const auto section_table_off = nt_off + sig_size + sizeof(FileHeader)
+ concrete_headers.file_header.size_optional_header;
const auto section_table_off =
nt_off + sig_size + sizeof(FileHeader) + concrete_headers.file_header.size_optional_header;
for (std::size_t i = 0; i < concrete_headers.file_header.num_sections; ++i)
{
@@ -435,6 +438,65 @@ namespace omath
},
nt_header_variant.value());
}
std::optional<std::uintptr_t>
PePatternScanner::scan_for_pattern_in_loaded_module(const void* module_base_address,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
const auto base_address = reinterpret_cast<std::uintptr_t>(module_base_address);
const auto* base_bytes = static_cast<const std::byte*>(module_base_address);
if (!base_address)
return std::nullopt;
const auto* dos_header = static_cast<const DosHeader*>(module_base_address);
if (invalid_dos_header_file(*dos_header)) [[unlikely]]
return std::nullopt;
const auto nt_header_variant = get_nt_header_from_loaded_module(module_base_address);
if (!nt_header_variant) [[unlikely]]
return std::nullopt;
return std::visit(
[base_bytes, base_address, lfanew = dos_header->e_lfanew, &target_section_name,
scan_pattern](const auto& nt_header) -> std::optional<std::uintptr_t>
{
constexpr std::size_t signature_size = sizeof(nt_header.signature);
const auto section_table_off = static_cast<std::size_t>(lfanew) + signature_size
+ sizeof(FileHeader) + nt_header.file_header.size_optional_header;
const auto* section_table = reinterpret_cast<const SectionHeader*>(base_bytes + section_table_off);
for (std::size_t i = 0; i < nt_header.file_header.num_sections; ++i)
{
const auto* section = section_table + i;
if (std::string_view{section->name} != target_section_name
|| section->size_raw_data == 0)
continue;
const auto section_size = section->virtual_size != 0
? static_cast<std::size_t>(section->virtual_size)
: static_cast<std::size_t>(section->size_raw_data);
const auto* section_begin =
reinterpret_cast<const std::byte*>(base_address + section->virtual_address);
const auto scan_range = std::span<const std::byte>{section_begin, section_size};
const auto target_offset = scan_pattern(scan_range);
if (target_offset.has_value())
return reinterpret_cast<std::uintptr_t>(section_begin + target_offset.value());
}
return std::nullopt;
},
nt_header_variant.value());
}
std::optional<SectionScanResult>
PePatternScanner::scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& pattern,
@@ -457,6 +519,27 @@ namespace omath
.target_offset = offset};
}
std::optional<SectionScanResult>
PePatternScanner::scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
const auto pe_section = extract_section_from_pe_file(path_to_file, target_section_name);
if (!pe_section.has_value()) [[unlikely]]
return std::nullopt;
const auto target_offset =
scan_pattern(std::span<const std::byte>{pe_section->data.data(), pe_section->data.size()});
if (!target_offset.has_value())
return std::nullopt;
return SectionScanResult{.virtual_base_addr = pe_section->virtual_base_addr,
.raw_base_addr = pe_section->raw_base_addr,
.target_offset = target_offset.value()};
}
std::optional<SectionScanResult>
PePatternScanner::scan_for_pattern_in_memory_file(const std::span<const std::byte> file_data,
const std::string_view& pattern,
@@ -479,4 +562,25 @@ namespace omath
.raw_base_addr = pe_section->raw_base_addr,
.target_offset = offset};
}
} // namespace omath
std::optional<SectionScanResult>
PePatternScanner::scan_for_pattern_in_memory_file(const std::span<const std::byte> file_data,
const std::string_view& target_section_name,
const SectionScanFunction scan_pattern)
{
const auto pe_section = extract_section_from_pe_memory(file_data, target_section_name);
if (!pe_section.has_value()) [[unlikely]]
return std::nullopt;
const auto target_offset =
scan_pattern(std::span<const std::byte>{pe_section->data.data(), pe_section->data.size()});
if (!target_offset.has_value())
return std::nullopt;
return SectionScanResult{.virtual_base_addr = pe_section->virtual_base_addr,
.raw_base_addr = pe_section->raw_base_addr,
.target_offset = target_offset.value()};
}
} // namespace omath
+5
View File
@@ -7,6 +7,11 @@ include(GoogleTest)
file(GLOB_RECURSE UNIT_TESTS_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/general/*.cpp" "${CMAKE_CURRENT_SOURCE_DIR}/engines/*.cpp" "${CMAKE_CURRENT_SOURCE_DIR}/*.hpp")
add_executable(${PROJECT_NAME} ${UNIT_TESTS_SOURCES} main.cpp)
if(OMATH_ENABLE_MODULES)
set_target_properties(${PROJECT_NAME} PROPERTIES CXX_SCAN_FOR_MODULES ON)
target_sources(${PROJECT_NAME} PRIVATE modules/unit_test_module.cpp)
endif()
set_target_properties(
${PROJECT_NAME}
PROPERTIES ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+100 -16
View File
@@ -9,6 +9,96 @@
#include <ranges>
using namespace omath;
namespace
{
constexpr bool close_to(const float actual, const float expected, const float epsilon)
{
const float diff = actual - expected;
return (diff < 0.0f ? -diff : diff) <= epsilon;
}
constexpr bool vec_close_to(const Vector3<float>& actual, const Vector3<float>& expected, const float epsilon)
{
return close_to(actual.x, expected.x, epsilon) && close_to(actual.y, expected.y, epsilon)
&& close_to(actual.z, expected.z, epsilon);
}
} // namespace
static_assert(
[]
{
constexpr omath::cry_engine::ViewAngles angles{};
constexpr auto forward = omath::cry_engine::forward_vector(angles);
constexpr auto right = omath::cry_engine::right_vector(angles);
constexpr auto up = omath::cry_engine::up_vector(angles);
constexpr auto rotation = omath::cry_engine::rotation_matrix(angles);
return vec_close_to(forward, omath::cry_engine::k_abs_forward, 1e-5f)
&& vec_close_to(right, omath::cry_engine::k_abs_right, 1e-5f)
&& vec_close_to(up, omath::cry_engine::k_abs_up, 1e-5f) && close_to(rotation.at(0, 0), 1.0f, 1e-5f)
&& close_to(rotation.at(1, 1), 1.0f, 1e-5f) && close_to(rotation.at(2, 2), 1.0f, 1e-5f)
&& close_to(rotation.at(3, 3), 1.0f, 1e-5f);
}(),
"CryEngine basis vectors should be constexpr with embedded constexpr math");
static_assert(
[]
{
constexpr auto view = omath::cry_engine::calc_view_matrix({}, {});
return close_to(view.at(0, 0), 1.0f, 1e-5f) && close_to(view.at(1, 2), 1.0f, 1e-5f)
&& close_to(view.at(2, 1), 1.0f, 1e-5f) && close_to(view.at(3, 3), 1.0f, 1e-5f);
}(),
"CryEngine view matrix should be constexpr with embedded constexpr math");
static_assert(
[]
{
constexpr auto transform = mat_translation<float, MatStoreType::ROW_MAJOR>({1.0f, 2.0f, 3.0f})
* mat_scale<float, MatStoreType::ROW_MAJOR>({2.0f, 3.0f, 4.0f});
constexpr auto origin = omath::cry_engine::extract_origin(transform);
constexpr auto scale = omath::cry_engine::extract_scale(transform);
return vec_close_to(origin, {1.0f, 2.0f, 3.0f}, 1e-5f) && vec_close_to(scale, {2.0f, 3.0f, 4.0f}, 1e-5f);
}(),
"CryEngine transform extraction should be constexpr with embedded constexpr math");
static_assert(
[]
{
constexpr auto projection = omath::cry_engine::calc_perspective_projection_matrix(
90.0f, 1.0f, 1.0f, 11.0f, NDCDepthRange::ZERO_TO_ONE);
return close_to(projection.at(0, 0), 1.0f, 1e-5f) && close_to(projection.at(1, 1), 1.0f, 1e-5f)
&& close_to(projection.at(2, 2), 1.1f, 1e-5f) && close_to(projection.at(2, 3), -1.1f, 1e-5f)
&& close_to(projection.at(3, 2), 1.0f, 1e-5f);
}(),
"CryEngine projection matrix should be constexpr with embedded constexpr math");
static_assert(
[]
{
constexpr auto angles =
omath::cry_engine::CameraTrait::calc_look_at_angle({}, omath::cry_engine::k_abs_forward);
constexpr auto view = omath::cry_engine::CameraTrait::calc_view_matrix(angles, {});
constexpr auto projection = omath::cry_engine::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(90.0f), {1.0f, 1.0f}, 1.0f, 11.0f,
NDCDepthRange::ZERO_TO_ONE);
return close_to(angles.pitch.as_degrees(), 0.0f, 1e-5f) && close_to(angles.yaw.as_degrees(), 0.0f, 1e-5f)
&& close_to(angles.roll.as_degrees(), 0.0f, 1e-5f) && close_to(view.at(0, 0), 1.0f, 1e-5f)
&& close_to(view.at(2, 1), 1.0f, 1e-5f) && close_to(projection.at(0, 0), 1.0f, 1e-5f)
&& close_to(projection.at(1, 1), 1.0f, 1e-5f) && close_to(projection.at(2, 2), 1.1f, 1e-5f)
&& close_to(projection.at(2, 3), -1.1f, 1e-5f) && close_to(projection.at(3, 2), 1.0f, 1e-5f);
}(),
"CryEngine CameraTrait should be constexpr with embedded constexpr math");
static_assert(omath::cry_engine::units_to_centimeters(100.0f) == 1.0f);
static_assert(omath::cry_engine::units_to_meters(2.0f) == 2.0f);
static_assert(omath::cry_engine::units_to_kilometers(2000.0f) == 2.0f);
static_assert(omath::cry_engine::centimeters_to_units(1.0f) == 100.0f);
static_assert(omath::cry_engine::meters_to_units(2.0f) == 2.0f);
static_assert(omath::cry_engine::kilometers_to_units(2.0f) == 2000.0f);
TEST(unit_test_cry_engine, look_at_forward)
{
const auto angles = cry_engine::CameraTrait::calc_look_at_angle({}, cry_engine::k_abs_forward);
@@ -251,11 +341,9 @@ TEST(unit_test_cry_engine, ViewAnglesAsVector3Zero)
TEST(unit_test_cry_engine, ViewAnglesAsVector3Values)
{
const omath::cry_engine::ViewAngles angles{
omath::cry_engine::PitchAngle::from_degrees(45.f),
omath::cry_engine::YawAngle::from_degrees(-90.f),
omath::cry_engine::RollAngle::from_degrees(30.f)
};
const omath::cry_engine::ViewAngles angles{omath::cry_engine::PitchAngle::from_degrees(45.f),
omath::cry_engine::YawAngle::from_degrees(-90.f),
omath::cry_engine::RollAngle::from_degrees(30.f)};
const auto vec = angles.as_vector3();
EXPECT_FLOAT_EQ(vec.x, 45.f);
@@ -266,11 +354,9 @@ TEST(unit_test_cry_engine, ViewAnglesAsVector3Values)
TEST(unit_test_cry_engine, ViewAnglesAsVector3ClampedPitch)
{
// Pitch is clamped to [-90, 90]
const omath::cry_engine::ViewAngles angles{
omath::cry_engine::PitchAngle::from_degrees(120.f),
omath::cry_engine::YawAngle::from_degrees(0.f),
omath::cry_engine::RollAngle::from_degrees(0.f)
};
const omath::cry_engine::ViewAngles angles{omath::cry_engine::PitchAngle::from_degrees(120.f),
omath::cry_engine::YawAngle::from_degrees(0.f),
omath::cry_engine::RollAngle::from_degrees(0.f)};
const auto vec = angles.as_vector3();
EXPECT_FLOAT_EQ(vec.x, 90.f);
@@ -279,12 +365,10 @@ TEST(unit_test_cry_engine, ViewAnglesAsVector3ClampedPitch)
TEST(unit_test_cry_engine, ViewAnglesAsVector3NormalizedYaw)
{
// Yaw is normalized to [-180, 180], 270 wraps to -90
const omath::cry_engine::ViewAngles angles{
omath::cry_engine::PitchAngle::from_degrees(0.f),
omath::cry_engine::YawAngle::from_degrees(270.f),
omath::cry_engine::RollAngle::from_degrees(0.f)
};
const omath::cry_engine::ViewAngles angles{omath::cry_engine::PitchAngle::from_degrees(0.f),
omath::cry_engine::YawAngle::from_degrees(270.f),
omath::cry_engine::RollAngle::from_degrees(0.f)};
const auto vec = angles.as_vector3();
EXPECT_NEAR(vec.y, -90.f, 0.01f);
}
}
+140 -71
View File
@@ -1,30 +1,32 @@
// Tests for engine trait headers to improve header coverage
#include <gtest/gtest.h>
#include <omath/engines/frostbite_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/frostbite_engine/traits/mesh_trait.hpp>
#include <omath/engines/frostbite_engine/traits/camera_trait.hpp>
#include <omath/engines/iw_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/iw_engine/traits/mesh_trait.hpp>
#include <omath/engines/iw_engine/traits/camera_trait.hpp>
#include <omath/engines/opengl_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/opengl_engine/traits/mesh_trait.hpp>
#include <omath/engines/opengl_engine/traits/camera_trait.hpp>
#include <omath/engines/unity_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/unity_engine/traits/mesh_trait.hpp>
#include <omath/engines/unity_engine/traits/camera_trait.hpp>
#include <omath/engines/unreal_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/unreal_engine/traits/mesh_trait.hpp>
#include <omath/engines/unreal_engine/traits/camera_trait.hpp>
#include <omath/engines/source_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/source_engine/traits/camera_trait.hpp>
#include <omath/engines/cry_engine/camera.hpp>
#include <omath/engines/cry_engine/traits/camera_trait.hpp>
#include <omath/engines/frostbite_engine/camera.hpp>
#include <omath/engines/frostbite_engine/traits/camera_trait.hpp>
#include <omath/engines/frostbite_engine/traits/mesh_trait.hpp>
#include <omath/engines/frostbite_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/iw_engine/camera.hpp>
#include <omath/engines/iw_engine/traits/camera_trait.hpp>
#include <omath/engines/iw_engine/traits/mesh_trait.hpp>
#include <omath/engines/iw_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/opengl_engine/camera.hpp>
#include <omath/engines/opengl_engine/traits/camera_trait.hpp>
#include <omath/engines/opengl_engine/traits/mesh_trait.hpp>
#include <omath/engines/opengl_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/rage_engine/camera.hpp>
#include <omath/engines/rage_engine/traits/camera_trait.hpp>
#include <omath/engines/source_engine/camera.hpp>
#include <omath/engines/source_engine/traits/camera_trait.hpp>
#include <omath/engines/source_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/unity_engine/camera.hpp>
#include <omath/engines/unity_engine/traits/camera_trait.hpp>
#include <omath/engines/unity_engine/traits/mesh_trait.hpp>
#include <omath/engines/unity_engine/traits/pred_engine_trait.hpp>
#include <omath/engines/unreal_engine/camera.hpp>
#include <omath/engines/unreal_engine/traits/camera_trait.hpp>
#include <omath/engines/unreal_engine/traits/mesh_trait.hpp>
#include <omath/engines/unreal_engine/traits/pred_engine_trait.hpp>
#include <omath/projectile_prediction/projectile.hpp>
#include <omath/projectile_prediction/target.hpp>
#include <optional>
@@ -41,6 +43,41 @@ static void expect_matrix_near(const MatT& a, const MatT& b, float eps = 1e-5f)
}
// ── Launch offset tests for all engines ──────────────────────────────────────
template<class MatType, class NumericType>
constexpr bool matrix_has_non_zero_element(const MatType& mat)
{
for (std::size_t r = 0; r < 4; ++r)
for (std::size_t c = 0; c < 4; ++c)
if (mat.at(r, c) != NumericType{0})
return true;
return false;
}
template<class CameraType, class NumericType>
constexpr bool camera_can_calculate_matrices_at_compile_time()
{
using FieldOfView = projection::FieldOfView;
CameraType camera{{}, {}, {1280.f, 720.f}, FieldOfView::from_degrees(90.f), NumericType{0.01}, NumericType{1000}};
const auto view = camera.get_view_matrix();
const auto projection = camera.get_projection_matrix();
const auto view_projection = camera.get_view_projection_matrix();
return matrix_has_non_zero_element<decltype(view), NumericType>(view)
&& matrix_has_non_zero_element<decltype(projection), NumericType>(projection)
&& matrix_has_non_zero_element<decltype(view_projection), NumericType>(view_projection);
}
static_assert(camera_can_calculate_matrices_at_compile_time<source_engine::Camera, float>());
static_assert(camera_can_calculate_matrices_at_compile_time<iw_engine::Camera, float>());
static_assert(camera_can_calculate_matrices_at_compile_time<frostbite_engine::Camera, float>());
static_assert(camera_can_calculate_matrices_at_compile_time<opengl_engine::Camera, float>());
static_assert(camera_can_calculate_matrices_at_compile_time<unity_engine::Camera, float>());
static_assert(camera_can_calculate_matrices_at_compile_time<cry_engine::Camera, float>());
static_assert(camera_can_calculate_matrices_at_compile_time<rage_engine::Camera, float>());
static_assert(camera_can_calculate_matrices_at_compile_time<unreal_engine::Camera, double>());
#include <omath/engines/cry_engine/traits/pred_engine_trait.hpp>
// Helper: verify that zero offset matches default-initialized offset behavior
@@ -74,8 +111,10 @@ static void verify_zero_offset_matches_default()
p2.m_launch_speed = static_cast<AT>(50);
p2.m_gravity_scale = static_cast<AT>(1);
const auto pos1 = Trait::predict_projectile_position(p, static_cast<AT>(15), static_cast<AT>(30), static_cast<AT>(1), static_cast<AT>(9.81));
const auto pos2 = Trait::predict_projectile_position(p2, static_cast<AT>(15), static_cast<AT>(30), static_cast<AT>(1), static_cast<AT>(9.81));
const auto pos1 = Trait::predict_projectile_position(p, static_cast<AT>(15), static_cast<AT>(30),
static_cast<AT>(1), static_cast<AT>(9.81));
const auto pos2 = Trait::predict_projectile_position(p2, static_cast<AT>(15), static_cast<AT>(30),
static_cast<AT>(1), static_cast<AT>(9.81));
#if defined(__x86_64__) || defined(_M_X64) || defined(__aarch64__) || defined(_M_ARM64)
constexpr double tol = 1e-6;
#else
@@ -158,7 +197,8 @@ TEST(LaunchOffsetTests, OffsetShiftsTrajectory)
p_with_offset.m_gravity_scale = 1.f;
const auto pos1 = source_engine::PredEngineTrait::predict_projectile_position(p_no_offset, 20.f, 45.f, 2.f, 9.81f);
const auto pos2 = source_engine::PredEngineTrait::predict_projectile_position(p_with_offset, 20.f, 45.f, 2.f, 9.81f);
const auto pos2 =
source_engine::PredEngineTrait::predict_projectile_position(p_with_offset, 20.f, 45.f, 2.f, 9.81f);
// The difference should be exactly the launch offset
EXPECT_NEAR(pos2.x - pos1.x, 10.f, 1e-4f);
@@ -221,12 +261,16 @@ TEST(TraitTests, Frostbite_Pred_And_Mesh_And_Camera)
// CameraTrait look at should be callable
const auto angles = e::CameraTrait::calc_look_at_angle({0, 0, 0}, {0, 1, 1});
(void)angles;
const auto proj = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f,
1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected = e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f);
expect_matrix_near(proj, expected);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo = e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo =
e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
expect_matrix_near(proj_zo, expected_zo);
EXPECT_NE(proj, proj_zo);
}
@@ -272,12 +316,16 @@ TEST(TraitTests, IW_Pred_And_Mesh_And_Camera)
e::ViewAngles va;
expect_matrix_near(e::MeshTrait::rotation_matrix(va), e::rotation_matrix(va));
const auto proj = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(45.f), {1920.f, 1080.f}, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(45.f), {1920.f, 1080.f}, 0.1f,
1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected = e::calc_perspective_projection_matrix(45.f, 1920.f / 1080.f, 0.1f, 1000.f);
expect_matrix_near(proj, expected);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(45.f), {1920.f, 1080.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo = e::calc_perspective_projection_matrix(45.f, 1920.f / 1080.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(45.f), {1920.f, 1080.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo =
e::calc_perspective_projection_matrix(45.f, 1920.f / 1080.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
expect_matrix_near(proj_zo, expected_zo);
EXPECT_NE(proj, proj_zo);
@@ -327,12 +375,16 @@ TEST(TraitTests, OpenGL_Pred_And_Mesh_And_Camera)
e::ViewAngles va;
expect_matrix_near(e::MeshTrait::rotation_matrix(va), e::rotation_matrix(va));
const auto proj = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f,
1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected = e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f);
expect_matrix_near(proj, expected);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo = e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo =
e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
expect_matrix_near(proj_zo, expected_zo);
EXPECT_NE(proj, proj_zo);
@@ -382,12 +434,16 @@ TEST(TraitTests, Unity_Pred_And_Mesh_And_Camera)
e::ViewAngles va;
expect_matrix_near(e::MeshTrait::rotation_matrix(va), e::rotation_matrix(va));
const auto proj = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f,
1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected = e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f);
expect_matrix_near(proj, expected);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo = e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo =
e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
expect_matrix_near(proj_zo, expected_zo);
EXPECT_NE(proj, proj_zo);
@@ -437,12 +493,16 @@ TEST(TraitTests, Unreal_Pred_And_Mesh_And_Camera)
e::ViewAngles va;
expect_matrix_near(e::MeshTrait::rotation_matrix(va), e::rotation_matrix(va));
const auto proj = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f,
1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected = e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f);
expect_matrix_near(proj, expected);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo = e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(60.f), {1280.f, 720.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo =
e::calc_perspective_projection_matrix(60.f, 1280.f / 720.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
expect_matrix_near(proj_zo, expected_zo);
EXPECT_NE(proj, proj_zo);
@@ -458,18 +518,17 @@ TEST(NDCDepthRangeTests, Source_BothDepthRanges)
{
namespace e = omath::source_engine;
const auto proj_no = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(90.f), {1920.f, 1080.f}, 0.1f, 1000.f,
NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected_no = e::calc_perspective_projection_matrix(
90.f, 1920.f / 1080.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj_no =
e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(90.f), {1920.f, 1080.f}, 0.1f,
1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected_no = e::calc_perspective_projection_matrix(90.f, 1920.f / 1080.f, 0.1f, 1000.f,
NDCDepthRange::NEGATIVE_ONE_TO_ONE);
expect_matrix_near(proj_no, expected_no);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(90.f), {1920.f, 1080.f}, 0.1f, 1000.f,
NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo = e::calc_perspective_projection_matrix(
90.f, 1920.f / 1080.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
projection::FieldOfView::from_degrees(90.f), {1920.f, 1080.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo =
e::calc_perspective_projection_matrix(90.f, 1920.f / 1080.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
expect_matrix_near(proj_zo, expected_zo);
EXPECT_NE(proj_no, proj_zo);
@@ -479,18 +538,17 @@ TEST(NDCDepthRangeTests, CryEngine_BothDepthRanges)
{
namespace e = omath::cry_engine;
const auto proj_no = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(90.f), {1920.f, 1080.f}, 0.1f, 1000.f,
NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected_no = e::calc_perspective_projection_matrix(
90.f, 1920.f / 1080.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj_no =
e::CameraTrait::calc_projection_matrix(projection::FieldOfView::from_degrees(90.f), {1920.f, 1080.f}, 0.1f,
1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto expected_no = e::calc_perspective_projection_matrix(90.f, 1920.f / 1080.f, 0.1f, 1000.f,
NDCDepthRange::NEGATIVE_ONE_TO_ONE);
expect_matrix_near(proj_no, expected_no);
const auto proj_zo = e::CameraTrait::calc_projection_matrix(
projection::FieldOfView::from_degrees(90.f), {1920.f, 1080.f}, 0.1f, 1000.f,
NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo = e::calc_perspective_projection_matrix(
90.f, 1920.f / 1080.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
projection::FieldOfView::from_degrees(90.f), {1920.f, 1080.f}, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
const auto expected_zo =
e::calc_perspective_projection_matrix(90.f, 1920.f / 1080.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
expect_matrix_near(proj_zo, expected_zo);
EXPECT_NE(proj_no, proj_zo);
@@ -537,7 +595,8 @@ TEST(NDCDepthRangeTests, OpenGL_ZeroToOne_ZRange)
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
// OpenGL engine uses column-major matrices, project manually
auto proj_z = [&](float z) {
auto proj_z = [&](float z)
{
auto clip = proj * mat_column_from_vector<float, MatStoreType::COLUMN_MAJOR>({0, 0, z});
return clip.at(2, 0) / clip.at(3, 0);
};
@@ -565,7 +624,8 @@ TEST(NDCDepthRangeTests, Unity_ZeroToOne_ZRange)
// Unity is right-handed, row-major
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::ZERO_TO_ONE);
auto proj_z = [&](float z) {
auto proj_z = [&](float z)
{
auto clip = proj * mat_column_from_vector<float>({0, 0, z});
return clip.at(2, 0) / clip.at(3, 0);
};
@@ -603,7 +663,8 @@ TEST(NDCDepthRangeTests, CryEngine_ZeroToOne_ZRange)
TEST(NDCDepthRangeTests, Source_NegativeOneToOne_ZRange)
{
namespace e = omath::source_engine;
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
EXPECT_NEAR(project_z_lh(proj, 0.1f), -1.0f, 1e-3f);
EXPECT_NEAR(project_z_lh(proj, 1000.f), 1.0f, 1e-3f);
@@ -612,7 +673,8 @@ TEST(NDCDepthRangeTests, Source_NegativeOneToOne_ZRange)
TEST(NDCDepthRangeTests, IW_NegativeOneToOne_ZRange)
{
namespace e = omath::iw_engine;
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
EXPECT_NEAR(project_z_lh(proj, 0.1f), -1.0f, 1e-3f);
EXPECT_NEAR(project_z_lh(proj, 1000.f), 1.0f, 1e-3f);
@@ -621,7 +683,8 @@ TEST(NDCDepthRangeTests, IW_NegativeOneToOne_ZRange)
TEST(NDCDepthRangeTests, Frostbite_NegativeOneToOne_ZRange)
{
namespace e = omath::frostbite_engine;
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
EXPECT_NEAR(project_z_lh(proj, 0.1f), -1.0f, 1e-3f);
EXPECT_NEAR(project_z_lh(proj, 1000.f), 1.0f, 1e-3f);
@@ -630,7 +693,8 @@ TEST(NDCDepthRangeTests, Frostbite_NegativeOneToOne_ZRange)
TEST(NDCDepthRangeTests, Unreal_NegativeOneToOne_ZRange)
{
namespace e = omath::unreal_engine;
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
EXPECT_NEAR(project_z_lh(proj, 0.1f), -1.0f, 1e-3f);
EXPECT_NEAR(project_z_lh(proj, 1000.f), 1.0f, 1e-3f);
@@ -639,7 +703,8 @@ TEST(NDCDepthRangeTests, Unreal_NegativeOneToOne_ZRange)
TEST(NDCDepthRangeTests, CryEngine_NegativeOneToOne_ZRange)
{
namespace e = omath::cry_engine;
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
EXPECT_NEAR(project_z_lh(proj, 0.1f), -1.0f, 1e-3f);
EXPECT_NEAR(project_z_lh(proj, 1000.f), 1.0f, 1e-3f);
@@ -648,9 +713,11 @@ TEST(NDCDepthRangeTests, CryEngine_NegativeOneToOne_ZRange)
TEST(NDCDepthRangeTests, OpenGL_NegativeOneToOne_ZRange)
{
namespace e = omath::opengl_engine;
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
auto proj_z = [&](float z) {
auto proj_z = [&](float z)
{
auto clip = proj * mat_column_from_vector<float, MatStoreType::COLUMN_MAJOR>({0, 0, z});
return clip.at(2, 0) / clip.at(3, 0);
};
@@ -662,9 +729,11 @@ TEST(NDCDepthRangeTests, OpenGL_NegativeOneToOne_ZRange)
TEST(NDCDepthRangeTests, Unity_NegativeOneToOne_ZRange)
{
namespace e = omath::unity_engine;
const auto proj = e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
const auto proj =
e::calc_perspective_projection_matrix(90.f, 16.f / 9.f, 0.1f, 1000.f, NDCDepthRange::NEGATIVE_ONE_TO_ONE);
auto proj_z = [&](float z) {
auto proj_z = [&](float z)
{
auto clip = proj * mat_column_from_vector<float>({0, 0, z});
return clip.at(2, 0) / clip.at(3, 0);
};
+38 -18
View File
@@ -4,7 +4,9 @@
#include <gtest/gtest.h>
#include "omath/3d_primitives/aabb.hpp"
using UpAxis = omath::primitives::UpAxis;
using AABB = omath::primitives::Aabb<float>;
using AABBZ = omath::primitives::Aabb<float, UpAxis::Z>;
using Vec3 = omath::Vector3<float>;
// --- center() ---
@@ -65,14 +67,12 @@ TEST(AabbTests, ExtentsOfDegenerateBox)
EXPECT_FLOAT_EQ(e.z, 0.f);
}
using UpAxis = omath::primitives::UpAxis;
// --- top() ---
TEST(AabbTests, TopYUpSymmetricBox)
{
constexpr AABB box{{-1.f, -2.f, -3.f}, {1.f, 2.f, 3.f}};
constexpr auto t = box.top<UpAxis::Y>();
constexpr auto t = box.top();
EXPECT_FLOAT_EQ(t.x, 0.f);
EXPECT_FLOAT_EQ(t.y, 2.f);
EXPECT_FLOAT_EQ(t.z, 0.f);
@@ -81,7 +81,7 @@ TEST(AabbTests, TopYUpSymmetricBox)
TEST(AabbTests, TopYUpOffsetBox)
{
constexpr AABB box{{1.f, 4.f, 2.f}, {3.f, 10.f, 6.f}};
constexpr auto t = box.top<UpAxis::Y>();
constexpr auto t = box.top();
EXPECT_FLOAT_EQ(t.x, 2.f);
EXPECT_FLOAT_EQ(t.y, 10.f);
EXPECT_FLOAT_EQ(t.z, 4.f);
@@ -89,8 +89,8 @@ TEST(AabbTests, TopYUpOffsetBox)
TEST(AabbTests, TopZUpSymmetricBox)
{
constexpr AABB box{{-1.f, -2.f, -3.f}, {1.f, 2.f, 3.f}};
constexpr auto t = box.top<UpAxis::Z>();
constexpr AABBZ box{{-1.f, -2.f, -3.f}, {1.f, 2.f, 3.f}};
constexpr auto t = box.top();
EXPECT_FLOAT_EQ(t.x, 0.f);
EXPECT_FLOAT_EQ(t.y, 0.f);
EXPECT_FLOAT_EQ(t.z, 3.f);
@@ -98,8 +98,8 @@ TEST(AabbTests, TopZUpSymmetricBox)
TEST(AabbTests, TopZUpOffsetBox)
{
constexpr AABB box{{1.f, 4.f, 2.f}, {3.f, 10.f, 6.f}};
constexpr auto t = box.top<UpAxis::Z>();
constexpr AABBZ box{{1.f, 4.f, 2.f}, {3.f, 10.f, 6.f}};
constexpr auto t = box.top();
EXPECT_FLOAT_EQ(t.x, 2.f);
EXPECT_FLOAT_EQ(t.y, 7.f);
EXPECT_FLOAT_EQ(t.z, 6.f);
@@ -108,7 +108,8 @@ TEST(AabbTests, TopZUpOffsetBox)
TEST(AabbTests, TopDefaultIsYUp)
{
constexpr AABB box{{0.f, 0.f, 0.f}, {2.f, 4.f, 6.f}};
EXPECT_EQ(box.top(), box.top<UpAxis::Y>());
EXPECT_EQ(AABB::get_up_axis(), UpAxis::Y);
EXPECT_FLOAT_EQ(box.top().y, 4.f);
}
// --- bottom() ---
@@ -116,7 +117,7 @@ TEST(AabbTests, TopDefaultIsYUp)
TEST(AabbTests, BottomYUpSymmetricBox)
{
constexpr AABB box{{-1.f, -2.f, -3.f}, {1.f, 2.f, 3.f}};
constexpr auto b = box.bottom<UpAxis::Y>();
constexpr auto b = box.bottom();
EXPECT_FLOAT_EQ(b.x, 0.f);
EXPECT_FLOAT_EQ(b.y, -2.f);
EXPECT_FLOAT_EQ(b.z, 0.f);
@@ -125,7 +126,7 @@ TEST(AabbTests, BottomYUpSymmetricBox)
TEST(AabbTests, BottomYUpOffsetBox)
{
constexpr AABB box{{1.f, 4.f, 2.f}, {3.f, 10.f, 6.f}};
constexpr auto b = box.bottom<UpAxis::Y>();
constexpr auto b = box.bottom();
EXPECT_FLOAT_EQ(b.x, 2.f);
EXPECT_FLOAT_EQ(b.y, 4.f);
EXPECT_FLOAT_EQ(b.z, 4.f);
@@ -133,8 +134,8 @@ TEST(AabbTests, BottomYUpOffsetBox)
TEST(AabbTests, BottomZUpSymmetricBox)
{
constexpr AABB box{{-1.f, -2.f, -3.f}, {1.f, 2.f, 3.f}};
constexpr auto b = box.bottom<UpAxis::Z>();
constexpr AABBZ box{{-1.f, -2.f, -3.f}, {1.f, 2.f, 3.f}};
constexpr auto b = box.bottom();
EXPECT_FLOAT_EQ(b.x, 0.f);
EXPECT_FLOAT_EQ(b.y, 0.f);
EXPECT_FLOAT_EQ(b.z, -3.f);
@@ -142,8 +143,8 @@ TEST(AabbTests, BottomZUpSymmetricBox)
TEST(AabbTests, BottomZUpOffsetBox)
{
constexpr AABB box{{1.f, 4.f, 2.f}, {3.f, 10.f, 6.f}};
constexpr auto b = box.bottom<UpAxis::Z>();
constexpr AABBZ box{{1.f, 4.f, 2.f}, {3.f, 10.f, 6.f}};
constexpr auto b = box.bottom();
EXPECT_FLOAT_EQ(b.x, 2.f);
EXPECT_FLOAT_EQ(b.y, 7.f);
EXPECT_FLOAT_EQ(b.z, 2.f);
@@ -152,14 +153,33 @@ TEST(AabbTests, BottomZUpOffsetBox)
TEST(AabbTests, BottomDefaultIsYUp)
{
constexpr AABB box{{0.f, 0.f, 0.f}, {2.f, 4.f, 6.f}};
EXPECT_EQ(box.bottom(), box.bottom<UpAxis::Y>());
EXPECT_EQ(AABB::get_up_axis(), UpAxis::Y);
EXPECT_FLOAT_EQ(box.bottom().y, 0.f);
}
TEST(AabbTests, TopAndBottomAreSymmetric)
{
constexpr AABB box{{-1.f, -2.f, -3.f}, {1.f, 2.f, 3.f}};
EXPECT_FLOAT_EQ(box.top<UpAxis::Y>().y, -box.bottom<UpAxis::Y>().y);
EXPECT_FLOAT_EQ(box.top<UpAxis::Z>().z, -box.bottom<UpAxis::Z>().z);
constexpr AABBZ z_up_box{{-1.f, -2.f, -3.f}, {1.f, 2.f, 3.f}};
EXPECT_FLOAT_EQ(box.top().y, -box.bottom().y);
EXPECT_FLOAT_EQ(z_up_box.top().z, -z_up_box.bottom().z);
}
// --- vertices() ---
TEST(AabbTests, VerticesReturnsAllCorners)
{
constexpr AABB box{{1.f, 2.f, 3.f}, {4.f, 6.f, 8.f}};
constexpr auto v = box.vertices();
EXPECT_EQ(v[0], Vec3(1.f, 2.f, 3.f));
EXPECT_EQ(v[1], Vec3(4.f, 2.f, 3.f));
EXPECT_EQ(v[2], Vec3(1.f, 6.f, 3.f));
EXPECT_EQ(v[3], Vec3(4.f, 6.f, 3.f));
EXPECT_EQ(v[4], Vec3(1.f, 2.f, 8.f));
EXPECT_EQ(v[5], Vec3(4.f, 2.f, 8.f));
EXPECT_EQ(v[6], Vec3(1.f, 6.f, 8.f));
EXPECT_EQ(v[7], Vec3(4.f, 6.f, 8.f));
}
// --- is_collide() ---
+18 -1
View File
@@ -2,10 +2,10 @@
// Created by Orange on 11/30/2024.
//
#include <omath/trigonometry/angle.hpp>
#include <cmath>
#include <gtest/gtest.h>
#include <numbers>
#include <omath/trigonometry/angle.hpp>
using namespace omath;
@@ -19,6 +19,12 @@ namespace
constexpr float k_eps = 1e-5f;
constexpr bool close_to(const float actual, const float expected, const float epsilon)
{
const float diff = actual - expected;
return (diff < 0.0f ? -diff : diff) <= epsilon;
}
} // namespace
// ---------- Construction / factories ----------
@@ -190,3 +196,14 @@ TEST(UnitTestAngle, BinaryMinus_ReturnsWrappedDiff)
const Deg c = a - b; // expect 340°
EXPECT_FLOAT_EQ(c.as_degrees(), 340.0f);
}
static_assert(close_to(Pitch::from_degrees(0.0f).sin(), 0.0f, k_eps),
"Sin should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_degrees(0.0f).cos(), 1.0f, k_eps),
"Cos should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_degrees(45.0f).tan(), 1.0f, 1e-4f),
"Tan should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_degrees(45.0f).cot(), 1.0f, 1e-4f),
"Cot should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_degrees(45.0f).atan(), 0.66577375f, 1e-6f),
"Atan should be constexpr with embedded constexpr math");
+65 -20
View File
@@ -35,13 +35,22 @@ static std::vector<std::byte> make_elf64_with_text_section(const std::vector<std
std::vector<std::byte> buf(total_size, std::byte{0});
auto w8 = [&](std::size_t off, std::uint8_t v) { buf[off] = std::byte{v}; };
auto w8 = [&](std::size_t off, std::uint8_t v)
{
buf[off] = std::byte{v};
};
auto w16 = [&](std::size_t off, std::uint16_t v)
{ std::memcpy(buf.data() + off, &v, 2); };
{
std::memcpy(buf.data() + off, &v, 2);
};
auto w32 = [&](std::size_t off, std::uint32_t v)
{ std::memcpy(buf.data() + off, &v, 4); };
{
std::memcpy(buf.data() + off, &v, 4);
};
auto w64 = [&](std::size_t off, std::uint64_t v)
{ std::memcpy(buf.data() + off, &v, 8); };
{
std::memcpy(buf.data() + off, &v, 8);
};
// --- ELF64 file header ---
// e_ident
@@ -53,19 +62,19 @@ static std::vector<std::byte> make_elf64_with_text_section(const std::vector<std
w8(5, 1); // ELFDATA2LSB
w8(6, 1); // EV_CURRENT
// rest of e_ident is 0
w16(16, 2); // e_type = ET_EXEC
w16(16, 2); // e_type = ET_EXEC
w16(18, 62); // e_machine = EM_X86_64
w32(20, 1); // e_version
w64(24, 0); // e_entry
w64(32, 0); // e_phoff
w32(20, 1); // e_version
w64(24, 0); // e_entry
w64(32, 0); // e_phoff
w64(40, static_cast<std::uint64_t>(shdr_table_off)); // e_shoff
w32(48, 0); // e_flags
w32(48, 0); // e_flags
w16(52, 64); // e_ehsize
w16(54, 56); // e_phentsize
w16(56, 0); // e_phnum
w16(56, 0); // e_phnum
w16(58, static_cast<std::uint16_t>(shdr_size)); // e_shentsize
w16(60, static_cast<std::uint16_t>(num_sections)); // e_shnum
w16(62, 2); // e_shstrndx = 2 (.shstrtab is section index 2)
w16(62, 2); // e_shstrndx = 2 (.shstrtab is section index 2)
// --- section data (.text) ---
const std::size_t copy_len = std::min(code_bytes.size(), text_size);
@@ -104,9 +113,9 @@ static std::vector<std::byte> make_elf64_with_text_section(const std::vector<std
// Section 1: .text
{
const std::size_t base = shdr_table_off + 1 * shdr_size;
w32(base + 0, 1); // sh_name → index 1 in shstrtab → ".text"
w32(base + 4, 1); // sh_type = SHT_PROGBITS
w64(base + 8, 6); // sh_flags = SHF_ALLOC|SHF_EXECINSTR
w32(base + 0, 1); // sh_name → index 1 in shstrtab → ".text"
w32(base + 4, 1); // sh_type = SHT_PROGBITS
w64(base + 8, 6); // sh_flags = SHF_ALLOC|SHF_EXECINSTR
w64(base + 16, static_cast<std::uint64_t>(text_off)); // sh_addr (same as offset in test)
w64(base + 24, static_cast<std::uint64_t>(text_off)); // sh_offset
w64(base + 32, static_cast<std::uint64_t>(text_size)); // sh_size
@@ -116,8 +125,8 @@ static std::vector<std::byte> make_elf64_with_text_section(const std::vector<std
// Section 2: .shstrtab
{
const std::size_t base = shdr_table_off + 2 * shdr_size;
w32(base + 0, 0); // sh_name → index 0 → "" (good enough for scanner)
w32(base + 4, 3); // sh_type = SHT_STRTAB
w32(base + 0, 0); // sh_name → index 0 → "" (good enough for scanner)
w32(base + 4, 3); // sh_type = SHT_STRTAB
w64(base + 24, static_cast<std::uint64_t>(shstrtab_off)); // sh_offset
w64(base + 32, static_cast<std::uint64_t>(shstrtab_size)); // sh_size
}
@@ -151,6 +160,18 @@ TEST(unit_test_elf_pattern_scan_memory, finds_pattern_with_wildcard)
EXPECT_EQ(result->target_offset, 0);
}
TEST(unit_test_elf_pattern_scan_memory, consteval_finds_pattern_with_wildcard)
{
const std::vector<std::uint8_t> code = {0x00, 0xDE, 0xAD, 0xBE, 0xEF};
const auto buf = make_elf64_with_text_section(code);
const auto result =
ElfPatternScanner::scan_for_pattern_in_memory_file<"DE ?? BE EF">(std::span<const std::byte>{buf}, ".text");
ASSERT_TRUE(result.has_value());
EXPECT_EQ(result->target_offset, 1);
}
TEST(unit_test_elf_pattern_scan_memory, pattern_not_found_returns_nullopt)
{
const std::vector<std::uint8_t> code = {0x01, 0x02, 0x03, 0x04};
@@ -182,8 +203,8 @@ TEST(unit_test_elf_pattern_scan_memory, missing_section_returns_nullopt)
const std::vector<std::uint8_t> code = {0x90, 0x90};
const auto buf = make_elf64_with_text_section(code);
const auto result = ElfPatternScanner::scan_for_pattern_in_memory_file(std::span<const std::byte>{buf},
"90 90", ".nonexistent");
const auto result = ElfPatternScanner::scan_for_pattern_in_memory_file(std::span<const std::byte>{buf}, "90 90",
".nonexistent");
EXPECT_FALSE(result.has_value());
}
@@ -201,8 +222,8 @@ TEST(unit_test_elf_pattern_scan_memory, matches_file_scan)
}
const auto file_result = ElfPatternScanner::scan_for_pattern_in_file(tmp_path, "48 89 E5 DE AD", ".text");
const auto mem_result =
ElfPatternScanner::scan_for_pattern_in_memory_file(std::span<const std::byte>{buf}, "48 89 E5 DE AD", ".text");
const auto mem_result = ElfPatternScanner::scan_for_pattern_in_memory_file(std::span<const std::byte>{buf},
"48 89 E5 DE AD", ".text");
std::filesystem::remove(tmp_path);
@@ -212,3 +233,27 @@ TEST(unit_test_elf_pattern_scan_memory, matches_file_scan)
EXPECT_EQ(file_result->raw_base_addr, mem_result->raw_base_addr);
EXPECT_EQ(file_result->target_offset, mem_result->target_offset);
}
TEST(unit_test_elf_pattern_scan_memory, consteval_file_scan_finds_pattern)
{
const std::vector<std::uint8_t> code = {0x48, 0x89, 0xE5, 0xDE, 0xAD};
const auto buf = make_elf64_with_text_section(code);
const auto tmp_path = std::filesystem::temp_directory_path() / "omath_elf_consteval_test.elf";
{
std::ofstream out(tmp_path, std::ios::binary);
out.write(reinterpret_cast<const char*>(buf.data()), static_cast<std::streamsize>(buf.size()));
}
const auto result = ElfPatternScanner::scan_for_pattern_in_file<"48 ?? E5">(tmp_path, ".text");
std::filesystem::remove(tmp_path);
ASSERT_TRUE(result.has_value());
EXPECT_EQ(result->target_offset, 0);
}
TEST(unit_test_elf_pattern_scan_memory, consteval_loaded_module_null_returns_nullopt)
{
const auto result = ElfPatternScanner::scan_for_pattern_in_loaded_module<"DE AD">(nullptr);
EXPECT_FALSE(result.has_value());
}
@@ -1,5 +1,7 @@
// Tests for MachOPatternScanner::scan_for_pattern_in_memory_file
#include <cstring>
#include <filesystem>
#include <fstream>
#include <gtest/gtest.h>
#include <omath/utility/macho_pattern_scan.hpp>
#include <span>
@@ -37,38 +39,43 @@ static std::vector<std::byte> make_macho64_with_text_section(const std::vector<s
constexpr std::size_t total_size = text_raw_off + text_raw_size;
constexpr std::uint64_t text_vmaddr = 0x1000ULL;
constexpr std::uint32_t cmd_size =
static_cast<std::uint32_t>(seg_size + sect_hdr_size); // segment + 1 section
constexpr std::uint32_t cmd_size = static_cast<std::uint32_t>(seg_size + sect_hdr_size); // segment + 1 section
std::vector<std::byte> buf(total_size, std::byte{0});
auto w32 = [&](std::size_t off, std::uint32_t v) { std::memcpy(buf.data() + off, &v, 4); };
auto w64 = [&](std::size_t off, std::uint64_t v) { std::memcpy(buf.data() + off, &v, 8); };
auto w32 = [&](std::size_t off, std::uint32_t v)
{
std::memcpy(buf.data() + off, &v, 4);
};
auto w64 = [&](std::size_t off, std::uint64_t v)
{
std::memcpy(buf.data() + off, &v, 8);
};
// MachHeader64
w32(0, mh_magic_64);
w32(4, 0x0100000C); // cputype = CPU_TYPE_ARM64 (doesn't matter for scan)
w32(12, 2); // filetype = MH_EXECUTE
w32(16, 1); // ncmds = 1
w32(20, cmd_size); // sizeofcmds
w32(4, 0x0100000C); // cputype = CPU_TYPE_ARM64 (doesn't matter for scan)
w32(12, 2); // filetype = MH_EXECUTE
w32(16, 1); // ncmds = 1
w32(20, cmd_size); // sizeofcmds
// SegmentCommand64 at 0x20
constexpr std::size_t seg_off = hdr_size;
w32(seg_off + 0, lc_segment_64);
w32(seg_off + 4, cmd_size);
std::memcpy(buf.data() + seg_off + 8, "__TEXT", 6); // segname
w64(seg_off + 24, text_vmaddr); // vmaddr
w64(seg_off + 32, text_raw_size); // vmsize
w64(seg_off + 40, text_raw_off); // fileoff
w64(seg_off + 48, text_raw_size); // filesize
w32(seg_off + 64, 1); // nsects
w64(seg_off + 24, text_vmaddr); // vmaddr
w64(seg_off + 32, text_raw_size); // vmsize
w64(seg_off + 40, text_raw_off); // fileoff
w64(seg_off + 48, text_raw_size); // filesize
w32(seg_off + 64, 1); // nsects
// Section64 at 0x68
constexpr std::size_t sect_off = seg_off + seg_size;
std::memcpy(buf.data() + sect_off + 0, "__text", 6); // sectname
std::memcpy(buf.data() + sect_off + 0, "__text", 6); // sectname
std::memcpy(buf.data() + sect_off + 16, "__TEXT", 6); // segname
w64(sect_off + 32, text_vmaddr); // addr
w64(sect_off + 40, text_raw_size); // size
w64(sect_off + 32, text_vmaddr); // addr
w64(sect_off + 40, text_raw_size); // size
w32(sect_off + 48, static_cast<std::uint32_t>(text_raw_off)); // offset (file offset)
// Section data
@@ -105,6 +112,18 @@ TEST(unit_test_macho_memory_file_scan, finds_pattern_with_wildcard)
EXPECT_EQ(result->target_offset, 0);
}
TEST(unit_test_macho_memory_file_scan, consteval_finds_pattern_with_wildcard)
{
const std::vector<std::uint8_t> code = {0x00, 0xDE, 0xAD, 0xBE, 0xEF};
const auto buf = make_macho64_with_text_section(code);
const auto result =
MachOPatternScanner::scan_for_pattern_in_memory_file<"DE ?? BE EF">(std::span<const std::byte>{buf});
ASSERT_TRUE(result.has_value());
EXPECT_EQ(result->target_offset, 1);
}
TEST(unit_test_macho_memory_file_scan, pattern_not_found_returns_nullopt)
{
const std::vector<std::uint8_t> code = {0x01, 0x02, 0x03};
@@ -143,3 +162,27 @@ TEST(unit_test_macho_memory_file_scan, raw_addr_and_virtual_addr_correct)
EXPECT_EQ(result->raw_base_addr, expected_raw_off);
EXPECT_EQ(result->virtual_base_addr, 0x1000u);
}
TEST(unit_test_macho_memory_file_scan, consteval_file_scan_finds_pattern)
{
const std::vector<std::uint8_t> code = {0x48, 0x89, 0xE5, 0xDE, 0xAD};
const auto buf = make_macho64_with_text_section(code);
const auto tmp_path = std::filesystem::temp_directory_path() / "omath_macho_consteval_test.bin";
{
std::ofstream out(tmp_path, std::ios::binary);
out.write(reinterpret_cast<const char*>(buf.data()), static_cast<std::streamsize>(buf.size()));
}
const auto result = MachOPatternScanner::scan_for_pattern_in_file<"48 ?? E5">(tmp_path);
std::filesystem::remove(tmp_path);
ASSERT_TRUE(result.has_value());
EXPECT_EQ(result->target_offset, 0);
}
TEST(unit_test_macho_memory_file_scan, consteval_loaded_module_null_returns_nullopt)
{
const auto result = MachOPatternScanner::scan_for_pattern_in_loaded_module<"DE AD">(nullptr);
EXPECT_FALSE(result.has_value());
}
+99 -36
View File
@@ -1,11 +1,23 @@
// UnitTestMat.cpp
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include "omath/trigonometry/angle.hpp"
#include "omath/trigonometry/angles.hpp"
#include <gtest/gtest.h>
using namespace omath;
namespace
{
using Pitch = Angle<float, static_cast<float>(-90), static_cast<float>(90), AngleFlags::Clamped>;
constexpr bool close_to(const float actual, const float expected, const float epsilon)
{
const float diff = actual - expected;
return (diff < 0.0f ? -diff : diff) <= epsilon;
}
} // namespace
class UnitTestMat : public ::testing::Test
{
protected:
@@ -163,7 +175,6 @@ TEST_F(UnitTestMat, StaticMethod_ToScreenMat)
EXPECT_FLOAT_EQ(screen_mat.at(3, 3), 1.0f);
}
// Test exception handling in At() method
TEST_F(UnitTestMat, Method_At_OutOfRange)
{
@@ -211,7 +222,7 @@ TEST(UnitTestMatStandalone, Transpose_NonSquare)
TEST(UnitTestMatStandalone, Enverse)
{
constexpr Mat<2, 2> m{{1.0f, 3.0f}, {2.0f, 5.0f}};
constexpr Mat<2,2> mv{{-5.0f, 3.0f}, {2.0f, -1.0f}};
constexpr Mat<2, 2> mv{{-5.0f, 3.0f}, {2.0f, -1.0f}};
EXPECT_EQ(mv, m.inverted());
}
@@ -234,9 +245,8 @@ TEST(UnitTestMatStandalone, Equanity)
}
TEST(UnitTestMatStandalone, MatPerspectiveLeftHanded)
{
const auto perspective_proj = mat_perspective_left_handed_vertical_fov(90.f, 16.f/9.f, 0.1f, 1000.f);
auto projected = perspective_proj
* mat_column_from_vector<float>({0, 0, 0.1001});
const auto perspective_proj = mat_perspective_left_handed_vertical_fov(90.f, 16.f / 9.f, 0.1f, 1000.f);
auto projected = perspective_proj * mat_column_from_vector<float>({0, 0, 0.1001});
projected /= projected.at(3, 0);
@@ -245,8 +255,9 @@ TEST(UnitTestMatStandalone, MatPerspectiveLeftHanded)
TEST(UnitTestMatStandalone, MatPerspectiveLeftHandedZeroToOne)
{
const auto proj = mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto proj =
mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
// Near plane point should map to z ~ 0
auto near_pt = proj * mat_column_from_vector<float>({0, 0, 0.1f});
@@ -267,8 +278,9 @@ TEST(UnitTestMatStandalone, MatPerspectiveLeftHandedZeroToOne)
TEST(UnitTestMatStandalone, MatPerspectiveRightHandedZeroToOne)
{
const auto proj = mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto proj =
mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
// Near plane point (negative z for right-handed) should map to z ~ 0
auto near_pt = proj * mat_column_from_vector<float>({0, 0, -0.1f});
@@ -292,7 +304,8 @@ TEST(UnitTestMatStandalone, MatPerspectiveNegativeOneToOneRange)
// Verify existing [-1, 1] behavior with explicit template arg matches default
const auto proj_default = mat_perspective_left_handed_vertical_fov(90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto proj_explicit = mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(90.f, 16.f / 9.f, 0.1f, 1000.f);
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
EXPECT_EQ(proj_default, proj_explicit);
@@ -310,7 +323,8 @@ TEST(UnitTestMatStandalone, MatPerspectiveNegativeOneToOneRange)
TEST(UnitTestMatStandalone, MatPerspectiveRightHandedNegOneToOne)
{
const auto proj = mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(90.f, 16.f / 9.f, 0.1f, 1000.f);
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(90.f, 16.f / 9.f,
0.1f, 1000.f);
// Near plane (negative z for RH) should map to z ~ -1
auto near_pt = proj * mat_column_from_vector<float>({0, 0, -0.1f});
@@ -326,14 +340,15 @@ TEST(UnitTestMatStandalone, MatPerspectiveRightHandedNegOneToOne)
auto mid_pt = proj * mat_column_from_vector<float>({0, 0, -500.f});
mid_pt /= mid_pt.at(3, 0);
EXPECT_GT(mid_pt.at(2, 0), -1.0f);
EXPECT_LT(mid_pt.at(2, 0), 1.0f);
EXPECT_LT(mid_pt.at(2, 0), 1.0f);
}
TEST(UnitTestMatStandalone, MatPerspectiveLeftHandedHorizontalFovZeroToOne)
{
// hfov=90 deg, aspect=16/9 => tan(hfov/2)=1, so x_axis=1 and y_axis=aspect
const auto proj = mat_perspective_left_handed_horizontal_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto proj =
mat_perspective_left_handed_horizontal_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
// Near plane should map to z ~ 0
auto near_pt = proj * mat_column_from_vector<float>({0, 0, 0.1f});
@@ -354,7 +369,8 @@ TEST(UnitTestMatStandalone, MatPerspectiveLeftHandedHorizontalFovZeroToOne)
TEST(UnitTestMatStandalone, MatPerspectiveLeftHandedHorizontalFovNegOneToOne)
{
const auto proj = mat_perspective_left_handed_horizontal_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(90.f, 16.f / 9.f, 0.1f, 1000.f);
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(90.f, 16.f / 9.f,
0.1f, 1000.f);
auto near_pt = proj * mat_column_from_vector<float>({0, 0, 0.1f});
near_pt /= near_pt.at(3, 0);
@@ -371,8 +387,9 @@ TEST(UnitTestMatStandalone, MatPerspectiveLeftHandedHorizontalFovNegOneToOne)
TEST(UnitTestMatStandalone, MatPerspectiveRightHandedHorizontalFovZeroToOne)
{
const auto proj = mat_perspective_right_handed_horizontal_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto proj =
mat_perspective_right_handed_horizontal_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
auto near_pt = proj * mat_column_from_vector<float>({0, 0, -0.1f});
near_pt /= near_pt.at(3, 0);
@@ -390,7 +407,8 @@ TEST(UnitTestMatStandalone, MatPerspectiveRightHandedHorizontalFovZeroToOne)
TEST(UnitTestMatStandalone, MatPerspectiveRightHandedHorizontalFovNegOneToOne)
{
const auto proj = mat_perspective_right_handed_horizontal_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(90.f, 16.f / 9.f, 0.1f, 1000.f);
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(90.f, 16.f / 9.f,
0.1f, 1000.f);
auto near_pt = proj * mat_column_from_vector<float>({0, 0, -0.1f});
near_pt /= near_pt.at(3, 0);
@@ -408,7 +426,7 @@ TEST(UnitTestMatStandalone, MatPerspectiveRightHandedHorizontalFovNegOneToOne)
TEST(UnitTestMatStandalone, MatPerspectiveHorizontalVsVerticalFovEquivalence)
{
constexpr float hfov_deg = 90.f;
constexpr float aspect = 16.f / 9.f;
constexpr float aspect = 16.f / 9.f;
const float vfov_deg = angles::horizontal_fov_to_vertical(hfov_deg, aspect);
const auto proj_h = mat_perspective_left_handed_horizontal_fov(hfov_deg, aspect, 0.1f, 1000.f);
@@ -426,11 +444,11 @@ TEST(UnitTestMatStandalone, MatPerspectiveLeftHandedVerticalFovHandedness)
{
const auto proj = mat_perspective_left_handed_vertical_fov(90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto in_front = proj * mat_column_from_vector<float>({0, 0, 1.f});
const auto behind = proj * mat_column_from_vector<float>({0, 0, -1.f});
const auto in_front = proj * mat_column_from_vector<float>({0, 0, 1.f});
const auto behind = proj * mat_column_from_vector<float>({0, 0, -1.f});
EXPECT_GT(in_front.at(3, 0), 0.0f);
EXPECT_LT(behind.at(3, 0), 0.0f);
EXPECT_LT(behind.at(3, 0), 0.0f);
}
TEST(UnitTestMatStandalone, MatPerspectiveRightHandedVerticalFovHandedness)
@@ -438,21 +456,21 @@ TEST(UnitTestMatStandalone, MatPerspectiveRightHandedVerticalFovHandedness)
const auto proj = mat_perspective_right_handed_vertical_fov(90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto in_front = proj * mat_column_from_vector<float>({0, 0, -1.f});
const auto behind = proj * mat_column_from_vector<float>({0, 0, 1.f});
const auto behind = proj * mat_column_from_vector<float>({0, 0, 1.f});
EXPECT_GT(in_front.at(3, 0), 0.0f);
EXPECT_LT(behind.at(3, 0), 0.0f);
EXPECT_LT(behind.at(3, 0), 0.0f);
}
TEST(UnitTestMatStandalone, MatPerspectiveLeftHandedHorizontalFovHandedness)
{
const auto proj = mat_perspective_left_handed_horizontal_fov(90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto in_front = proj * mat_column_from_vector<float>({0, 0, 1.f});
const auto behind = proj * mat_column_from_vector<float>({0, 0, -1.f});
const auto in_front = proj * mat_column_from_vector<float>({0, 0, 1.f});
const auto behind = proj * mat_column_from_vector<float>({0, 0, -1.f});
EXPECT_GT(in_front.at(3, 0), 0.0f);
EXPECT_LT(behind.at(3, 0), 0.0f);
EXPECT_LT(behind.at(3, 0), 0.0f);
}
TEST(UnitTestMatStandalone, MatPerspectiveRightHandedHorizontalFovHandedness)
@@ -460,10 +478,10 @@ TEST(UnitTestMatStandalone, MatPerspectiveRightHandedHorizontalFovHandedness)
const auto proj = mat_perspective_right_handed_horizontal_fov(90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto in_front = proj * mat_column_from_vector<float>({0, 0, -1.f});
const auto behind = proj * mat_column_from_vector<float>({0, 0, 1.f});
const auto behind = proj * mat_column_from_vector<float>({0, 0, 1.f});
EXPECT_GT(in_front.at(3, 0), 0.0f);
EXPECT_LT(behind.at(3, 0), 0.0f);
EXPECT_LT(behind.at(3, 0), 0.0f);
}
TEST(UnitTestMatStandalone, MatPerspectiveZeroToOneEquanity)
@@ -472,10 +490,12 @@ TEST(UnitTestMatStandalone, MatPerspectiveZeroToOneEquanity)
constexpr omath::Vector3<float> left_handed = {0, 2, 10};
constexpr omath::Vector3<float> right_handed = {0, 2, -10};
const auto proj_lh = mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto proj_rh = mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto proj_lh =
mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
const auto proj_rh =
mat_perspective_right_handed_vertical_fov<float, MatStoreType::ROW_MAJOR, NDCDepthRange::ZERO_TO_ONE>(
90.f, 16.f / 9.f, 0.1f, 1000.f);
auto ndc_lh = proj_lh * mat_column_from_vector(left_handed);
auto ndc_rh = proj_rh * mat_column_from_vector(right_handed);
@@ -518,8 +538,51 @@ TEST(UnitTestMatStandalone, MatOrthoNegativeOneToOneDefault)
{
// Verify explicit [-1, 1] matches default
const auto ortho_default = mat_ortho_left_handed(-1.f, 1.f, -1.f, 1.f, 0.1f, 100.f);
const auto ortho_explicit = mat_ortho_left_handed<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(-1.f, 1.f, -1.f, 1.f, 0.1f, 100.f);
const auto ortho_explicit =
mat_ortho_left_handed<float, MatStoreType::ROW_MAJOR, NDCDepthRange::NEGATIVE_ONE_TO_ONE>(-1.f, 1.f, -1.f,
1.f, 0.1f, 100.f);
EXPECT_EQ(ortho_default, ortho_explicit);
}
}
static_assert(
[]
{
constexpr auto scale = mat_extract_scale(mat_scale(Vector3{2.0f, 3.0f, 4.0f}));
return close_to(scale.x, 2.0f, 1e-5f) && close_to(scale.y, 3.0f, 1e-5f) && close_to(scale.z, 4.0f, 1e-5f);
}(),
"Mat scale extraction should be constexpr with embedded constexpr math");
static_assert(
[]
{
constexpr auto rotation = mat_rotation_axis_z<float>(Pitch::from_degrees(90.0f));
return close_to(rotation.at(0, 0), 0.0f, 1e-5f) && close_to(rotation.at(0, 1), -1.0f, 1e-5f)
&& close_to(rotation.at(1, 0), 1.0f, 1e-5f) && close_to(rotation.at(1, 1), 0.0f, 1e-5f)
&& close_to(rotation.at(2, 2), 1.0f, 1e-5f) && close_to(rotation.at(3, 3), 1.0f, 1e-5f);
}(),
"Mat rotation should be constexpr with embedded constexpr math");
static_assert(
[]
{
constexpr auto projection =
mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(90.0f, 1.0f, 1.0f, 11.0f);
return close_to(projection.at(0, 0), 1.0f, 1e-5f) && close_to(projection.at(1, 1), 1.0f, 1e-5f)
&& close_to(projection.at(2, 2), 1.1f, 1e-5f) && close_to(projection.at(2, 3), -1.1f, 1e-5f)
&& close_to(projection.at(3, 2), 1.0f, 1e-5f);
}(),
"Mat vertical-FOV perspective should be constexpr with embedded constexpr math");
static_assert(
[]
{
constexpr auto projection =
mat_perspective_right_handed_horizontal_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(90.0f, 2.0f, 1.0f, 11.0f);
return close_to(projection.at(0, 0), 1.0f, 1e-5f) && close_to(projection.at(1, 1), 2.0f, 1e-5f)
&& close_to(projection.at(2, 2), -1.1f, 1e-5f) && close_to(projection.at(2, 3), -1.1f, 1e-5f)
&& close_to(projection.at(3, 2), -1.0f, 1e-5f);
}(),
"Mat horizontal-FOV perspective should be constexpr with embedded constexpr math");
+36 -2
View File
@@ -4,8 +4,8 @@
#include "omath/utility/pe_pattern_scan.hpp"
#include "gtest/gtest.h"
#include <omath/utility/pattern_scan.hpp>
#include <source_location>
#include <print>
#include <source_location>
TEST(unit_test_pattern_scan, read_test)
{
const auto result = omath::PatternScanner::parse_pattern("FF ? ?? E9");
@@ -50,4 +50,38 @@ TEST(unit_test_pattern_scan, corner_case_4)
{
const auto result = omath::PatternScanner::parse_pattern("X ? ?? E9 ");
EXPECT_FALSE(result.has_value());
}
}
TEST(unit_test_pattern_scan, consteval_read_test)
{
constexpr auto result = omath::PatternScanner::parse_pattern<"FF ? ?? E9">();
static_assert(result.size() == 4);
static_assert(result[0] == static_cast<std::byte>(0xFF));
static_assert(result[1] == std::nullopt);
static_assert(result[2] == std::nullopt);
static_assert(result[3] == static_cast<std::byte>(0xE9));
EXPECT_EQ(result[0], static_cast<std::byte>(0xFF));
EXPECT_EQ(result[1], std::nullopt);
EXPECT_EQ(result[2], std::nullopt);
EXPECT_EQ(result[3], static_cast<std::byte>(0xE9));
}
TEST(unit_test_pattern_scan, consteval_spacing_and_case)
{
constexpr auto result = omath::PatternScanner::parse_pattern<" \tde\nAD\r?? ? ef ">();
static_assert(result.size() == 5);
static_assert(result[0] == static_cast<std::byte>(0xDE));
static_assert(result[1] == static_cast<std::byte>(0xAD));
static_assert(result[2] == std::nullopt);
static_assert(result[3] == std::nullopt);
static_assert(result[4] == static_cast<std::byte>(0xEF));
EXPECT_EQ(result[0], static_cast<std::byte>(0xDE));
EXPECT_EQ(result[1], static_cast<std::byte>(0xAD));
EXPECT_EQ(result[2], std::nullopt);
EXPECT_EQ(result[3], std::nullopt);
EXPECT_EQ(result[4], static_cast<std::byte>(0xEF));
}
@@ -14,6 +14,16 @@ TEST(unit_test_pattern_scan_extra, IteratorScanFound)
EXPECT_EQ(std::distance(buf.begin(), it), 0);
}
TEST(unit_test_pattern_scan_extra, ConstevalIteratorScan)
{
std::vector<std::byte> buf = {static_cast<std::byte>(0x00), static_cast<std::byte>(0xDE),
static_cast<std::byte>(0xAD), static_cast<std::byte>(0xBE),
static_cast<std::byte>(0xEF), static_cast<std::byte>(0x11)};
const auto it = PatternScanner::scan_for_pattern<"DE ?? BE EF">(buf.begin(), buf.end());
EXPECT_NE(it, buf.end());
EXPECT_EQ(std::distance(buf.begin(), it), 1);
}
TEST(unit_test_pattern_scan_extra, IteratorScanNotFound)
{
std::vector<std::byte> buf = {static_cast<std::byte>(0x00), static_cast<std::byte>(0x11),
+56 -11
View File
@@ -1,5 +1,7 @@
// Tests for PePatternScanner::scan_for_pattern_in_memory_file
#include <cstring>
#include <filesystem>
#include <fstream>
#include <gtest/gtest.h>
#include <omath/utility/pe_pattern_scan.hpp>
#include <span>
@@ -10,8 +12,7 @@ using namespace omath;
// Reuse the fake-module builder from unit_test_pe_pattern_scan_loaded.cpp but
// lay out the buffer as a raw PE *file* (ptr_raw_data != virtual_address).
static std::vector<std::byte> make_fake_pe_file(std::uint32_t virtual_address, std::uint32_t ptr_raw_data,
std::uint32_t section_size,
const std::vector<std::uint8_t>& code_bytes)
std::uint32_t section_size, const std::vector<std::uint8_t>& code_bytes)
{
constexpr std::uint32_t e_lfanew = 0x80;
constexpr std::uint32_t nt_sig = 0x4550;
@@ -24,9 +25,18 @@ static std::vector<std::byte> make_fake_pe_file(std::uint32_t virtual_address, s
const std::uint32_t total_size = ptr_raw_data + section_size + 0x100;
std::vector<std::byte> buf(total_size, std::byte{0});
auto w16 = [&](std::size_t off, std::uint16_t v) { std::memcpy(buf.data() + off, &v, 2); };
auto w32 = [&](std::size_t off, std::uint32_t v) { std::memcpy(buf.data() + off, &v, 4); };
auto w64 = [&](std::size_t off, std::uint64_t v) { std::memcpy(buf.data() + off, &v, 8); };
auto w16 = [&](std::size_t off, std::uint16_t v)
{
std::memcpy(buf.data() + off, &v, 2);
};
auto w32 = [&](std::size_t off, std::uint32_t v)
{
std::memcpy(buf.data() + off, &v, 4);
};
auto w64 = [&](std::size_t off, std::uint64_t v)
{
std::memcpy(buf.data() + off, &v, 8);
};
// DOS header
w16(0x00, 0x5A4D);
@@ -48,10 +58,10 @@ static std::vector<std::byte> make_fake_pe_file(std::uint32_t virtual_address, s
// Section header (.text)
const std::size_t sh_off = section_table_off;
std::memcpy(buf.data() + sh_off, ".text", 5);
w32(sh_off + 8, section_size); // VirtualSize
w32(sh_off + 12, virtual_address); // VirtualAddress
w32(sh_off + 16, section_size); // SizeOfRawData
w32(sh_off + 20, ptr_raw_data); // PointerToRawData
w32(sh_off + 8, section_size); // VirtualSize
w32(sh_off + 12, virtual_address); // VirtualAddress
w32(sh_off + 16, section_size); // SizeOfRawData
w32(sh_off + 20, ptr_raw_data); // PointerToRawData
// Place code at raw file offset
const std::size_t copy_len = std::min(code_bytes.size(), static_cast<std::size_t>(section_size));
@@ -87,13 +97,24 @@ TEST(unit_test_pe_memory_file_scan, finds_pattern_with_wildcard)
EXPECT_EQ(result->target_offset, 0);
}
TEST(unit_test_pe_memory_file_scan, consteval_finds_pattern_with_wildcard)
{
const std::vector<std::uint8_t> code = {0x00, 0xDE, 0xAD, 0xBE, 0xEF};
const auto buf = make_fake_pe_file(0x2000, 0x600, static_cast<std::uint32_t>(code.size()), code);
const auto result =
PePatternScanner::scan_for_pattern_in_memory_file<"DE ?? BE EF">(std::span<const std::byte>{buf});
ASSERT_TRUE(result.has_value());
EXPECT_EQ(result->target_offset, 1);
}
TEST(unit_test_pe_memory_file_scan, pattern_not_found_returns_nullopt)
{
const std::vector<std::uint8_t> code = {0x01, 0x02, 0x03};
const auto buf = make_fake_pe_file(0x1000, 0x400, static_cast<std::uint32_t>(code.size()), code);
const auto result =
PePatternScanner::scan_for_pattern_in_memory_file(std::span<const std::byte>{buf}, "AA BB CC");
const auto result = PePatternScanner::scan_for_pattern_in_memory_file(std::span<const std::byte>{buf}, "AA BB CC");
EXPECT_FALSE(result.has_value());
}
@@ -126,3 +147,27 @@ TEST(unit_test_pe_memory_file_scan, raw_addr_differs_from_virtual_address)
// virtual_base_addr = virtual_address + image_base (image_base = 0)
EXPECT_EQ(result->virtual_base_addr, 0x3000u);
}
TEST(unit_test_pe_memory_file_scan, consteval_file_scan_finds_pattern)
{
const std::vector<std::uint8_t> code = {0x48, 0x89, 0xE5, 0xDE, 0xAD};
const auto buf = make_fake_pe_file(0x2000, 0x600, static_cast<std::uint32_t>(code.size()), code);
const auto tmp_path = std::filesystem::temp_directory_path() / "omath_pe_consteval_test.exe";
{
std::ofstream out(tmp_path, std::ios::binary);
out.write(reinterpret_cast<const char*>(buf.data()), static_cast<std::streamsize>(buf.size()));
}
const auto result = PePatternScanner::scan_for_pattern_in_file<"48 ?? E5">(tmp_path);
std::filesystem::remove(tmp_path);
ASSERT_TRUE(result.has_value());
EXPECT_EQ(result->target_offset, 0);
}
TEST(unit_test_pe_memory_file_scan, consteval_loaded_module_null_returns_nullopt)
{
const auto result = PePatternScanner::scan_for_pattern_in_loaded_module<"DE AD">(nullptr);
EXPECT_FALSE(result.has_value());
}
+173 -162
View File
@@ -60,15 +60,34 @@ static void verify_random_look_at_targets_project_to_screen_center(const omath::
}
}
constexpr bool source_camera_constexpr_projection_round_trip()
{
constexpr auto fov = omath::Angle<float, 0.f, 180.f, omath::AngleFlags::Clamped>::from_degrees(90.f);
constexpr auto cam = omath::source_engine::Camera({0, 0, 0}, omath::source_engine::ViewAngles{}, {1920.f, 1080.f},
fov, 0.01f, 1000.f);
constexpr auto projected = cam.world_to_screen({1000.f, 0, 50.f});
constexpr auto result = cam.screen_to_world(projected.value());
constexpr auto result2 = cam.world_to_screen(result.value());
return projected.has_value() && result.has_value() && result2.has_value()
&& static_cast<omath::Vector2<float>>(projected.value())
== static_cast<omath::Vector2<float>>(result2.value())
&& omath::internal::abs(projected->x - 960.f) < 0.001f && omath::internal::abs(projected->y - 504.f) < 0.001f
&& omath::internal::abs(projected->z - 1.f) < 0.001f;
}
static_assert(source_camera_constexpr_projection_round_trip());
TEST(UnitTestProjection, Projection)
{
constexpr auto fov = omath::Angle<float, 0.f, 180.f, omath::AngleFlags::Clamped>::from_degrees(90.f);
const auto cam = omath::source_engine::Camera({0, 0, 0}, omath::source_engine::ViewAngles{}, {1920.f, 1080.f}, fov,
0.01f, 1000.f);
constexpr auto cam = omath::source_engine::Camera({0, 0, 0}, omath::source_engine::ViewAngles{}, {1920.f, 1080.f},
fov, 0.01f, 1000.f);
const auto projected = cam.world_to_screen({1000.f, 0, 50.f});
const auto result = cam.screen_to_world(projected.value());
const auto result2 = cam.world_to_screen(result.value());
constexpr auto projected = cam.world_to_screen({1000.f, 0, 50.f});
constexpr auto result = cam.screen_to_world(projected.value());
constexpr auto result2 = cam.world_to_screen(result.value());
EXPECT_EQ(static_cast<omath::Vector2<float>>(projected.value()),
static_cast<omath::Vector2<float>>(result2.value()));
@@ -561,15 +580,55 @@ TEST(UnitTestProjection, AabbUnityEngineStraddlesNearNotCulled)
EXPECT_FALSE(cam.is_aabb_culled_by_frustum(aabb));
}
TEST(UnitTestProjection, WorldToViewCoordinates_TranslatedSourceCamera)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
auto cam = omath::source_engine::Camera({10.f, 20.f, 30.f}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto view_coordinates = cam.world_to_view_coordinates({15.f, 12.f, 37.f});
EXPECT_NEAR(view_coordinates.x, 8.f, k_eps);
EXPECT_NEAR(view_coordinates.y, 7.f, k_eps);
EXPECT_NEAR(view_coordinates.z, 5.f, k_eps);
}
TEST(UnitTestProjection, WorldToViewCoordinates_RotatedSourceCamera)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const omath::source_engine::ViewAngles angles{omath::source_engine::PitchAngle::from_degrees(0.f),
omath::source_engine::YawAngle::from_degrees(90.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
auto cam = omath::source_engine::Camera({10.f, 20.f, 30.f}, angles, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto view_coordinates = cam.world_to_view_coordinates({14.f, 26.f, 38.f});
EXPECT_NEAR(view_coordinates.x, 4.f, k_eps);
EXPECT_NEAR(view_coordinates.y, 8.f, k_eps);
EXPECT_NEAR(view_coordinates.z, 6.f, k_eps);
}
TEST(UnitTestProjection, WorldToViewCoordinates_ColumnMajorOpenGlCamera)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
auto cam = omath::opengl_engine::Camera({10.f, 20.f, 30.f}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto view_coordinates = cam.world_to_view_coordinates({14.f, 26.f, 22.f});
EXPECT_NEAR(view_coordinates.x, 4.f, k_eps);
EXPECT_NEAR(view_coordinates.y, 6.f, k_eps);
EXPECT_NEAR(view_coordinates.z, -8.f, k_eps);
}
TEST(UnitTestProjection, CalcViewAnglesFromViewMatrix_LookingForward)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const omath::source_engine::ViewAngles angles{
omath::source_engine::PitchAngle::from_degrees(0.f),
omath::source_engine::YawAngle::from_degrees(0.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles angles{omath::source_engine::PitchAngle::from_degrees(0.f),
omath::source_engine::YawAngle::from_degrees(0.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::source_engine::Camera({0, 0, 0}, angles, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto result = omath::source_engine::Camera::calc_view_angles_from_view_matrix(cam.get_view_matrix());
@@ -582,11 +641,9 @@ TEST(UnitTestProjection, CalcViewAnglesFromViewMatrix_PositivePitchAndYaw)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const omath::source_engine::ViewAngles angles{
omath::source_engine::PitchAngle::from_degrees(30.f),
omath::source_engine::YawAngle::from_degrees(45.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles angles{omath::source_engine::PitchAngle::from_degrees(30.f),
omath::source_engine::YawAngle::from_degrees(45.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::source_engine::Camera({0, 0, 0}, angles, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto result = omath::source_engine::Camera::calc_view_angles_from_view_matrix(cam.get_view_matrix());
@@ -599,11 +656,9 @@ TEST(UnitTestProjection, CalcViewAnglesFromViewMatrix_NegativePitchAndYaw)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const omath::source_engine::ViewAngles angles{
omath::source_engine::PitchAngle::from_degrees(-45.f),
omath::source_engine::YawAngle::from_degrees(-90.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles angles{omath::source_engine::PitchAngle::from_degrees(-45.f),
omath::source_engine::YawAngle::from_degrees(-90.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::source_engine::Camera({0, 0, 0}, angles, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto result = omath::source_engine::Camera::calc_view_angles_from_view_matrix(cam.get_view_matrix());
@@ -618,11 +673,9 @@ TEST(UnitTestProjection, CalcViewAnglesFromViewMatrix_OffOriginCameraIgnored)
// so the same angles should be recovered regardless of position.
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const omath::source_engine::ViewAngles angles{
omath::source_engine::PitchAngle::from_degrees(20.f),
omath::source_engine::YawAngle::from_degrees(60.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles angles{omath::source_engine::PitchAngle::from_degrees(20.f),
omath::source_engine::YawAngle::from_degrees(60.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::source_engine::Camera({100.f, 200.f, -50.f}, angles, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto result = omath::source_engine::Camera::calc_view_angles_from_view_matrix(cam.get_view_matrix());
@@ -635,11 +688,9 @@ TEST(UnitTestProjection, CalcViewAnglesFromViewMatrix_RollAlwaysZero)
{
// Roll cannot be encoded in the forward vector, so it is always 0 in the result.
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const omath::source_engine::ViewAngles angles{
omath::source_engine::PitchAngle::from_degrees(10.f),
omath::source_engine::YawAngle::from_degrees(30.f),
omath::source_engine::RollAngle::from_degrees(15.f)
};
const omath::source_engine::ViewAngles angles{omath::source_engine::PitchAngle::from_degrees(10.f),
omath::source_engine::YawAngle::from_degrees(30.f),
omath::source_engine::RollAngle::from_degrees(15.f)};
const auto cam = omath::source_engine::Camera({0, 0, 0}, angles, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto result = omath::source_engine::Camera::calc_view_angles_from_view_matrix(cam.get_view_matrix());
@@ -664,11 +715,9 @@ TEST(UnitTestProjection, CalcOriginFromViewMatrix_ArbitraryPosition)
{
constexpr float k_eps = 1e-3f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const omath::source_engine::ViewAngles angles{
omath::source_engine::PitchAngle::from_degrees(0.f),
omath::source_engine::YawAngle::from_degrees(0.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles angles{omath::source_engine::PitchAngle::from_degrees(0.f),
omath::source_engine::YawAngle::from_degrees(0.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::source_engine::Camera({100.f, 200.f, -50.f}, angles, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto origin = omath::source_engine::Camera::calc_origin_from_view_matrix(cam.get_view_matrix());
@@ -683,11 +732,9 @@ TEST(UnitTestProjection, CalcOriginFromViewMatrix_WithRotation)
// Origin recovery must work even when the camera is rotated.
constexpr float k_eps = 1e-3f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const omath::source_engine::ViewAngles angles{
omath::source_engine::PitchAngle::from_degrees(30.f),
omath::source_engine::YawAngle::from_degrees(45.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles angles{omath::source_engine::PitchAngle::from_degrees(30.f),
omath::source_engine::YawAngle::from_degrees(45.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::source_engine::Camera({300.f, -100.f, 75.f}, angles, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto origin = omath::source_engine::Camera::calc_origin_from_view_matrix(cam.get_view_matrix());
@@ -704,16 +751,12 @@ TEST(UnitTestProjection, CalcOriginFromViewMatrix_IndependentOfAngles)
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
constexpr omath::Vector3<float> expected_origin{50.f, 50.f, 50.f};
const omath::source_engine::ViewAngles angles_a{
omath::source_engine::PitchAngle::from_degrees(0.f),
omath::source_engine::YawAngle::from_degrees(0.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles angles_b{
omath::source_engine::PitchAngle::from_degrees(-60.f),
omath::source_engine::YawAngle::from_degrees(135.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles angles_a{omath::source_engine::PitchAngle::from_degrees(0.f),
omath::source_engine::YawAngle::from_degrees(0.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
const omath::source_engine::ViewAngles angles_b{omath::source_engine::PitchAngle::from_degrees(-60.f),
omath::source_engine::YawAngle::from_degrees(135.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
const auto cam_a = omath::source_engine::Camera(expected_origin, angles_a, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto cam_b = omath::source_engine::Camera(expected_origin, angles_b, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
@@ -736,11 +779,9 @@ TEST(UnitTestProjection, Unity_CalcViewAnglesFromViewMatrix_LookingForward)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(60.f);
const omath::unity_engine::ViewAngles angles{
omath::unity_engine::PitchAngle::from_degrees(0.f),
omath::unity_engine::YawAngle::from_degrees(0.f),
omath::unity_engine::RollAngle::from_degrees(0.f)
};
const omath::unity_engine::ViewAngles angles{omath::unity_engine::PitchAngle::from_degrees(0.f),
omath::unity_engine::YawAngle::from_degrees(0.f),
omath::unity_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::unity_engine::Camera({0, 0, 0}, angles, {1280.f, 720.f}, fov, 0.03f, 1000.f);
const auto result = omath::unity_engine::Camera::calc_view_angles_from_view_matrix(cam.get_view_matrix());
@@ -753,11 +794,9 @@ TEST(UnitTestProjection, Unity_CalcViewAnglesFromViewMatrix_PositivePitchAndYaw)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(60.f);
const omath::unity_engine::ViewAngles angles{
omath::unity_engine::PitchAngle::from_degrees(30.f),
omath::unity_engine::YawAngle::from_degrees(45.f),
omath::unity_engine::RollAngle::from_degrees(0.f)
};
const omath::unity_engine::ViewAngles angles{omath::unity_engine::PitchAngle::from_degrees(30.f),
omath::unity_engine::YawAngle::from_degrees(45.f),
omath::unity_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::unity_engine::Camera({0, 0, 0}, angles, {1280.f, 720.f}, fov, 0.03f, 1000.f);
const auto result = omath::unity_engine::Camera::calc_view_angles_from_view_matrix(cam.get_view_matrix());
@@ -770,11 +809,9 @@ TEST(UnitTestProjection, Unity_CalcViewAnglesFromViewMatrix_NegativePitchAndYaw)
{
constexpr float k_eps = 1e-4f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(60.f);
const omath::unity_engine::ViewAngles angles{
omath::unity_engine::PitchAngle::from_degrees(-45.f),
omath::unity_engine::YawAngle::from_degrees(-90.f),
omath::unity_engine::RollAngle::from_degrees(0.f)
};
const omath::unity_engine::ViewAngles angles{omath::unity_engine::PitchAngle::from_degrees(-45.f),
omath::unity_engine::YawAngle::from_degrees(-90.f),
omath::unity_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::unity_engine::Camera({0, 0, 0}, angles, {1280.f, 720.f}, fov, 0.03f, 1000.f);
const auto result = omath::unity_engine::Camera::calc_view_angles_from_view_matrix(cam.get_view_matrix());
@@ -800,11 +837,9 @@ TEST(UnitTestProjection, Unity_CalcOriginFromViewMatrix_ArbitraryPosition)
{
constexpr float k_eps = 1e-3f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(60.f);
const omath::unity_engine::ViewAngles angles{
omath::unity_engine::PitchAngle::from_degrees(0.f),
omath::unity_engine::YawAngle::from_degrees(0.f),
omath::unity_engine::RollAngle::from_degrees(0.f)
};
const omath::unity_engine::ViewAngles angles{omath::unity_engine::PitchAngle::from_degrees(0.f),
omath::unity_engine::YawAngle::from_degrees(0.f),
omath::unity_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::unity_engine::Camera({100.f, 200.f, -50.f}, angles, {1280.f, 720.f}, fov, 0.03f, 1000.f);
const auto origin = omath::unity_engine::Camera::calc_origin_from_view_matrix(cam.get_view_matrix());
@@ -818,11 +853,9 @@ TEST(UnitTestProjection, Unity_CalcOriginFromViewMatrix_WithRotation)
{
constexpr float k_eps = 1e-3f;
constexpr auto fov = omath::projection::FieldOfView::from_degrees(60.f);
const omath::unity_engine::ViewAngles angles{
omath::unity_engine::PitchAngle::from_degrees(30.f),
omath::unity_engine::YawAngle::from_degrees(45.f),
omath::unity_engine::RollAngle::from_degrees(0.f)
};
const omath::unity_engine::ViewAngles angles{omath::unity_engine::PitchAngle::from_degrees(30.f),
omath::unity_engine::YawAngle::from_degrees(45.f),
omath::unity_engine::RollAngle::from_degrees(0.f)};
const auto cam = omath::unity_engine::Camera({300.f, -100.f, 75.f}, angles, {1280.f, 720.f}, fov, 0.03f, 1000.f);
const auto origin = omath::unity_engine::Camera::calc_origin_from_view_matrix(cam.get_view_matrix());
@@ -838,21 +871,21 @@ TEST(UnitTestProjection, SourceEngine_ZeroAngles_BasisVectors)
constexpr float k_eps = 1e-5f;
const auto cam = omath::source_engine::Camera({}, {}, {1920.f, 1080.f},
omath::projection::FieldOfView::from_degrees(90.f), 0.01f, 1000.f);
const auto fwd = cam.get_abs_forward();
const auto fwd = cam.get_abs_forward();
const auto right = cam.get_abs_right();
const auto up = cam.get_abs_up();
const auto up = cam.get_abs_up();
EXPECT_NEAR(fwd.x, omath::source_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::source_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::source_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(fwd.x, omath::source_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::source_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::source_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(right.x, omath::source_engine::k_abs_right.x, k_eps);
EXPECT_NEAR(right.y, omath::source_engine::k_abs_right.y, k_eps);
EXPECT_NEAR(right.z, omath::source_engine::k_abs_right.z, k_eps);
EXPECT_NEAR(up.x, omath::source_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::source_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::source_engine::k_abs_up.z, k_eps);
EXPECT_NEAR(up.x, omath::source_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::source_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::source_engine::k_abs_up.z, k_eps);
}
TEST(UnitTestProjection, UnityEngine_ZeroAngles_BasisVectors)
@@ -860,21 +893,21 @@ TEST(UnitTestProjection, UnityEngine_ZeroAngles_BasisVectors)
constexpr float k_eps = 1e-5f;
const auto cam = omath::unity_engine::Camera({}, {}, {1280.f, 720.f},
omath::projection::FieldOfView::from_degrees(60.f), 0.03f, 1000.f);
const auto fwd = cam.get_abs_forward();
const auto fwd = cam.get_abs_forward();
const auto right = cam.get_abs_right();
const auto up = cam.get_abs_up();
const auto up = cam.get_abs_up();
EXPECT_NEAR(fwd.x, omath::unity_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::unity_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::unity_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(fwd.x, omath::unity_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::unity_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::unity_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(right.x, omath::unity_engine::k_abs_right.x, k_eps);
EXPECT_NEAR(right.y, omath::unity_engine::k_abs_right.y, k_eps);
EXPECT_NEAR(right.z, omath::unity_engine::k_abs_right.z, k_eps);
EXPECT_NEAR(up.x, omath::unity_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::unity_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::unity_engine::k_abs_up.z, k_eps);
EXPECT_NEAR(up.x, omath::unity_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::unity_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::unity_engine::k_abs_up.z, k_eps);
}
TEST(UnitTestProjection, OpenGLEngine_ZeroAngles_BasisVectors)
@@ -882,21 +915,21 @@ TEST(UnitTestProjection, OpenGLEngine_ZeroAngles_BasisVectors)
constexpr float k_eps = 1e-5f;
const auto cam = omath::opengl_engine::Camera({}, {}, {1920.f, 1080.f},
omath::projection::FieldOfView::from_degrees(90.f), 0.01f, 1000.f);
const auto fwd = cam.get_abs_forward();
const auto fwd = cam.get_abs_forward();
const auto right = cam.get_abs_right();
const auto up = cam.get_abs_up();
const auto up = cam.get_abs_up();
EXPECT_NEAR(fwd.x, omath::opengl_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::opengl_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::opengl_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(fwd.x, omath::opengl_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::opengl_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::opengl_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(right.x, omath::opengl_engine::k_abs_right.x, k_eps);
EXPECT_NEAR(right.y, omath::opengl_engine::k_abs_right.y, k_eps);
EXPECT_NEAR(right.z, omath::opengl_engine::k_abs_right.z, k_eps);
EXPECT_NEAR(up.x, omath::opengl_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::opengl_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::opengl_engine::k_abs_up.z, k_eps);
EXPECT_NEAR(up.x, omath::opengl_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::opengl_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::opengl_engine::k_abs_up.z, k_eps);
}
TEST(UnitTestProjection, UnrealEngine_ZeroAngles_BasisVectors)
@@ -904,21 +937,21 @@ TEST(UnitTestProjection, UnrealEngine_ZeroAngles_BasisVectors)
constexpr float k_eps = 1e-5f;
const auto cam = omath::unreal_engine::Camera({}, {}, {1920.f, 1080.f},
omath::projection::FieldOfView::from_degrees(90.f), 0.01f, 1000.f);
const auto fwd = cam.get_abs_forward();
const auto fwd = cam.get_abs_forward();
const auto right = cam.get_abs_right();
const auto up = cam.get_abs_up();
const auto up = cam.get_abs_up();
EXPECT_NEAR(fwd.x, omath::unreal_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::unreal_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::unreal_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(fwd.x, omath::unreal_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::unreal_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::unreal_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(right.x, omath::unreal_engine::k_abs_right.x, k_eps);
EXPECT_NEAR(right.y, omath::unreal_engine::k_abs_right.y, k_eps);
EXPECT_NEAR(right.z, omath::unreal_engine::k_abs_right.z, k_eps);
EXPECT_NEAR(up.x, omath::unreal_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::unreal_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::unreal_engine::k_abs_up.z, k_eps);
EXPECT_NEAR(up.x, omath::unreal_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::unreal_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::unreal_engine::k_abs_up.z, k_eps);
}
TEST(UnitTestProjection, FrostbiteEngine_ZeroAngles_BasisVectors)
@@ -926,21 +959,21 @@ TEST(UnitTestProjection, FrostbiteEngine_ZeroAngles_BasisVectors)
constexpr float k_eps = 1e-5f;
const auto cam = omath::frostbite_engine::Camera({}, {}, {1920.f, 1080.f},
omath::projection::FieldOfView::from_degrees(90.f), 0.01f, 1000.f);
const auto fwd = cam.get_abs_forward();
const auto fwd = cam.get_abs_forward();
const auto right = cam.get_abs_right();
const auto up = cam.get_abs_up();
const auto up = cam.get_abs_up();
EXPECT_NEAR(fwd.x, omath::frostbite_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::frostbite_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::frostbite_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(fwd.x, omath::frostbite_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::frostbite_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::frostbite_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(right.x, omath::frostbite_engine::k_abs_right.x, k_eps);
EXPECT_NEAR(right.y, omath::frostbite_engine::k_abs_right.y, k_eps);
EXPECT_NEAR(right.z, omath::frostbite_engine::k_abs_right.z, k_eps);
EXPECT_NEAR(up.x, omath::frostbite_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::frostbite_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::frostbite_engine::k_abs_up.z, k_eps);
EXPECT_NEAR(up.x, omath::frostbite_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::frostbite_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::frostbite_engine::k_abs_up.z, k_eps);
}
TEST(UnitTestProjection, CryEngine_ZeroAngles_BasisVectors)
@@ -948,21 +981,21 @@ TEST(UnitTestProjection, CryEngine_ZeroAngles_BasisVectors)
constexpr float k_eps = 1e-5f;
const auto cam = omath::cry_engine::Camera({}, {}, {1920.f, 1080.f},
omath::projection::FieldOfView::from_degrees(90.f), 0.01f, 1000.f);
const auto fwd = cam.get_abs_forward();
const auto fwd = cam.get_abs_forward();
const auto right = cam.get_abs_right();
const auto up = cam.get_abs_up();
const auto up = cam.get_abs_up();
EXPECT_NEAR(fwd.x, omath::cry_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::cry_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::cry_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(fwd.x, omath::cry_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::cry_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::cry_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(right.x, omath::cry_engine::k_abs_right.x, k_eps);
EXPECT_NEAR(right.y, omath::cry_engine::k_abs_right.y, k_eps);
EXPECT_NEAR(right.z, omath::cry_engine::k_abs_right.z, k_eps);
EXPECT_NEAR(up.x, omath::cry_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::cry_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::cry_engine::k_abs_up.z, k_eps);
EXPECT_NEAR(up.x, omath::cry_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::cry_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::cry_engine::k_abs_up.z, k_eps);
}
TEST(UnitTestProjection, IWEngine_ZeroAngles_BasisVectors)
@@ -970,21 +1003,21 @@ TEST(UnitTestProjection, IWEngine_ZeroAngles_BasisVectors)
constexpr float k_eps = 1e-5f;
const auto cam = omath::iw_engine::Camera({}, {}, {1920.f, 1080.f},
omath::projection::FieldOfView::from_degrees(90.f), 0.01f, 1000.f);
const auto fwd = cam.get_abs_forward();
const auto fwd = cam.get_abs_forward();
const auto right = cam.get_abs_right();
const auto up = cam.get_abs_up();
const auto up = cam.get_abs_up();
EXPECT_NEAR(fwd.x, omath::iw_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::iw_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::iw_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(fwd.x, omath::iw_engine::k_abs_forward.x, k_eps);
EXPECT_NEAR(fwd.y, omath::iw_engine::k_abs_forward.y, k_eps);
EXPECT_NEAR(fwd.z, omath::iw_engine::k_abs_forward.z, k_eps);
EXPECT_NEAR(right.x, omath::iw_engine::k_abs_right.x, k_eps);
EXPECT_NEAR(right.y, omath::iw_engine::k_abs_right.y, k_eps);
EXPECT_NEAR(right.z, omath::iw_engine::k_abs_right.z, k_eps);
EXPECT_NEAR(up.x, omath::iw_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::iw_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::iw_engine::k_abs_up.z, k_eps);
EXPECT_NEAR(up.x, omath::iw_engine::k_abs_up.x, k_eps);
EXPECT_NEAR(up.y, omath::iw_engine::k_abs_up.y, k_eps);
EXPECT_NEAR(up.z, omath::iw_engine::k_abs_up.z, k_eps);
}
// ---- extract_projection_params ----
@@ -1120,11 +1153,9 @@ TEST(UnitTestProjection, SetViewAngles_InvalidatesViewMatrix)
auto cam = omath::source_engine::Camera({}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
const auto view_before = cam.get_view_matrix();
const omath::source_engine::ViewAngles rotated{
omath::source_engine::PitchAngle::from_degrees(30.f),
omath::source_engine::YawAngle::from_degrees(45.f),
omath::source_engine::RollAngle::from_degrees(0.f)
};
const omath::source_engine::ViewAngles rotated{omath::source_engine::PitchAngle::from_degrees(30.f),
omath::source_engine::YawAngle::from_degrees(45.f),
omath::source_engine::RollAngle::from_degrees(0.f)};
cam.set_view_angles(rotated);
const auto view_after = cam.get_view_matrix();
@@ -1142,7 +1173,7 @@ TEST(UnitTestProjection, CalcLookAtAngles_ForwardTarget)
const auto angles = cam.calc_look_at_angles({100.f, 0.f, 0.f});
EXPECT_NEAR(angles.pitch.as_degrees(), 0.f, 1e-4f);
EXPECT_NEAR(angles.yaw.as_degrees(), 0.f, 1e-4f);
EXPECT_NEAR(angles.yaw.as_degrees(), 0.f, 1e-4f);
}
TEST(UnitTestProjection, LookAt_ForwardVectorPointsAtTarget)
@@ -1215,11 +1246,7 @@ TEST(UnitTestProjection, TriangleInsideFrustumNotCulled)
const auto cam = omath::source_engine::Camera({0.f, 0.f, 0.f}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
// Small triangle directly in front (Source: +X forward)
const omath::Triangle<omath::Vector3<float>> tri{
{100.f, 0.f, 1.f},
{100.f, 1.f, -1.f},
{100.f, -1.f, -1.f}
};
const omath::Triangle<omath::Vector3<float>> tri{{100.f, 0.f, 1.f}, {100.f, 1.f, -1.f}, {100.f, -1.f, -1.f}};
EXPECT_FALSE(cam.is_culled_by_frustum(tri));
}
@@ -1229,11 +1256,7 @@ TEST(UnitTestProjection, TriangleBehindCameraCulled)
const auto cam = omath::source_engine::Camera({0.f, 0.f, 0.f}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
// Triangle entirely behind the camera (-X)
const omath::Triangle<omath::Vector3<float>> tri{
{-100.f, 0.f, 1.f},
{-100.f, 1.f, -1.f},
{-100.f, -1.f, -1.f}
};
const omath::Triangle<omath::Vector3<float>> tri{{-100.f, 0.f, 1.f}, {-100.f, 1.f, -1.f}, {-100.f, -1.f, -1.f}};
EXPECT_TRUE(cam.is_culled_by_frustum(tri));
}
@@ -1243,11 +1266,7 @@ TEST(UnitTestProjection, TriangleBeyondFarPlaneCulled)
const auto cam = omath::source_engine::Camera({0.f, 0.f, 0.f}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
// Triangle beyond the 1000-unit far plane
const omath::Triangle<omath::Vector3<float>> tri{
{2000.f, 0.f, 1.f},
{2000.f, 1.f, -1.f},
{2000.f, -1.f, -1.f}
};
const omath::Triangle<omath::Vector3<float>> tri{{2000.f, 0.f, 1.f}, {2000.f, 1.f, -1.f}, {2000.f, -1.f, -1.f}};
EXPECT_TRUE(cam.is_culled_by_frustum(tri));
}
@@ -1257,11 +1276,7 @@ TEST(UnitTestProjection, TriangleFarToSideCulled)
const auto cam = omath::source_engine::Camera({0.f, 0.f, 0.f}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
// Triangle far outside the side frustum planes
const omath::Triangle<omath::Vector3<float>> tri{
{100.f, 5000.f, 0.f},
{100.f, 5001.f, 1.f},
{100.f, 5001.f, -1.f}
};
const omath::Triangle<omath::Vector3<float>> tri{{100.f, 5000.f, 0.f}, {100.f, 5001.f, 1.f}, {100.f, 5001.f, -1.f}};
EXPECT_TRUE(cam.is_culled_by_frustum(tri));
}
@@ -1271,10 +1286,6 @@ TEST(UnitTestProjection, TriangleStraddlingFrustumNotCulled)
const auto cam = omath::source_engine::Camera({0.f, 0.f, 0.f}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
// Large triangle with vertices on both sides of the frustum — should not be culled
const omath::Triangle<omath::Vector3<float>> tri{
{ 100.f, 0.f, 0.f},
{ 100.f, 5000.f, 0.f},
{ 100.f, 0.f, 5000.f}
};
const omath::Triangle<omath::Vector3<float>> tri{{100.f, 0.f, 0.f}, {100.f, 5000.f, 0.f}, {100.f, 0.f, 5000.f}};
EXPECT_FALSE(cam.is_culled_by_frustum(tri));
}
+34 -23
View File
@@ -8,6 +8,15 @@
using namespace omath;
namespace
{
constexpr bool close_to(const float actual, const float expected, const float epsilon)
{
const float diff = actual - expected;
return (diff < 0.0f ? -diff : diff) <= epsilon;
}
} // namespace
class UnitTestTriangle : public ::testing::Test
{
protected:
@@ -19,36 +28,21 @@ protected:
constexpr void SetUp() override
{
// Triangle with vertices (0, 0, 0), (1, 0, 0), (0, 1, 0)
t1 = Triangle<Vector3<float>>(
Vector3(0.0f, 0.0f, 0.0f),
Vector3(1.0f, 0.0f, 0.0f),
Vector3(0.0f, 1.0f, 0.0f)
);
t1 = Triangle<Vector3<float>>(Vector3(0.0f, 0.0f, 0.0f), Vector3(1.0f, 0.0f, 0.0f), Vector3(0.0f, 1.0f, 0.0f));
// Triangle with vertices (1, 2, 3), (4, 5, 6), (7, 8, 9)
t2 = Triangle<Vector3<float>>(
Vector3(1.0f, 2.0f, 3.0f),
Vector3(4.0f, 5.0f, 6.0f),
Vector3(7.0f, 8.0f, 9.0f)
);
t2 = Triangle<Vector3<float>>(Vector3(1.0f, 2.0f, 3.0f), Vector3(4.0f, 5.0f, 6.0f), Vector3(7.0f, 8.0f, 9.0f));
// An isosceles right triangle
t3 = Triangle<Vector3<float>>(
Vector3(0.0f, 0.0f, 0.0f),
Vector3(2.0f, 0.0f, 0.0f),
Vector3(0.0f, 2.0f, 0.0f)
);
t3 = Triangle<Vector3<float>>(Vector3(0.0f, 0.0f, 0.0f), Vector3(2.0f, 0.0f, 0.0f), Vector3(0.0f, 2.0f, 0.0f));
}
};
// Test constructor and vertices
TEST_F(UnitTestTriangle, Constructor)
{
constexpr Triangle<Vector3<float>> t(
Vector3(1.0f, 2.0f, 3.0f),
Vector3(4.0f, 5.0f, 6.0f),
Vector3(7.0f, 8.0f, 9.0f)
);
constexpr Triangle<Vector3<float>> t(Vector3(1.0f, 2.0f, 3.0f), Vector3(4.0f, 5.0f, 6.0f),
Vector3(7.0f, 8.0f, 9.0f));
EXPECT_FLOAT_EQ(t.m_vertex1.x, 1.0f);
EXPECT_FLOAT_EQ(t.m_vertex1.y, 2.0f);
@@ -72,7 +66,6 @@ TEST_F(UnitTestTriangle, CalculateNormal)
EXPECT_NEAR(std::fabs(normal_t1.z), 1.0f, 1e-5f);
EXPECT_NEAR(normal_t1.length(), 1.0f, 1e-5f);
// For t3, we expect the normal to be along +Z as well
const Vector3 normal_t3 = t3.calculate_normal();
EXPECT_NEAR(std::fabs(normal_t3.z), 1.0f, 1e-5f);
@@ -83,7 +76,10 @@ TEST_F(UnitTestTriangle, SideLengths)
{
// For t1 side lengths
EXPECT_FLOAT_EQ(t1.side_a_length(), std::sqrt(1.0f)); // distance between (0,0,0) and (1,0,0)
EXPECT_FLOAT_EQ(t1.side_b_length(), std::sqrt(1.0f + 1.0f)); // distance between (4,5,6) & (7,8,9)... but we are testing t1, so let's be accurate:
EXPECT_FLOAT_EQ(
t1.side_b_length(),
std::sqrt(1.0f
+ 1.0f)); // distance between (4,5,6) & (7,8,9)... but we are testing t1, so let's be accurate:
// Actually, for t1: vertex2=(1,0,0), vertex3=(0,1,0)
// Dist between (0,1,0) and (1,0,0) = sqrt((1-0)^2 + (0-1)^2) = sqrt(1 + 1) = sqrt(2)
EXPECT_FLOAT_EQ(t1.side_b_length(), std::sqrt(2.0f));
@@ -112,7 +108,7 @@ TEST_F(UnitTestTriangle, SideVectors)
TEST_F(UnitTestTriangle, IsRectangular)
{
EXPECT_TRUE(Triangle<Vector3<float>>({2,0,0}, {}, {0,2,0}).is_rectangular());
EXPECT_TRUE(Triangle<Vector3<float>>({2, 0, 0}, {}, {0, 2, 0}).is_rectangular());
}
// Test midpoint
TEST_F(UnitTestTriangle, MidPoint)
@@ -129,3 +125,18 @@ TEST_F(UnitTestTriangle, MidPoint)
EXPECT_FLOAT_EQ(mid2.y, (2.0f + 5.0f + 8.0f) / 3.0f);
EXPECT_FLOAT_EQ(mid2.z, (3.0f + 6.0f + 9.0f) / 3.0f);
}
static_assert(
[]
{
constexpr Triangle<Vector3<float>> triangle{{3.0f, 0.0f, 0.0f}, {0.0f, 0.0f, 0.0f}, {0.0f, 4.0f, 0.0f}};
constexpr auto normal = triangle.calculate_normal();
constexpr auto mid_point = triangle.mid_point();
return close_to(triangle.side_a_length(), 3.0f, 1e-5f) && close_to(triangle.side_b_length(), 4.0f, 1e-5f)
&& close_to(triangle.hypot(), 5.0f, 1e-5f) && triangle.is_rectangular()
&& close_to(normal.length(), 1.0f, 1e-5f) && close_to(normal.z, -1.0f, 1e-5f)
&& close_to(mid_point.x, 1.0f, 1e-5f) && close_to(mid_point.y, 4.0f / 3.0f, 1e-5f)
&& close_to(mid_point.z, 0.0f, 1e-5f);
}(),
"Triangle helpers should be constexpr with embedded constexpr math");
+6 -2
View File
@@ -2,10 +2,10 @@
// Created by Vlad on 02.09.2024.
//
#include <omath/linear_algebra/vector2.hpp>
#include <cfloat> // For FLT_MAX and FLT_MIN
#include <cmath> // For std::isinf and std::isnan
#include <gtest/gtest.h>
#include <omath/linear_algebra/vector2.hpp>
using namespace omath;
@@ -399,7 +399,6 @@ TEST_F(UnitTestVector2, GreaterEqualOperator)
EXPECT_TRUE(omath::Vector2(1.f, 1.f) >= omath::Vector2<float>{});
}
// ── Cast operator tests ──────────────────────────────────────────────────────
TEST(Vector2Cast, FloatToDouble)
@@ -463,3 +462,8 @@ static_assert(Vector2(1.0f, 2.0f).length_sqr() == 5.0f, "LengthSqr should be 5")
static_assert(Vector2(1.0f, 2.0f).dot(Vector2(4.0f, 5.0f)) == 14.0f, "Dot product should be 14");
static_assert(Vector2(4.0f, 5.0f).distance_to_sqr(Vector2(1.0f, 2.0f)) == 18.0f, "DistToSqr should be 18");
static_assert(Vector2(-1.0f, -2.0f).abs() == Vector2(1.0f, 2.0f), "Abs should convert negative values to positive");
static_assert(Vector2(3.0f, 4.0f).length() == 5.0f, "Length should be constexpr with embedded constexpr math");
static_assert(Vector2(0.0f, 0.0f).distance_to(Vector2(3.0f, 4.0f)) == 5.0f,
"Distance should be constexpr with embedded constexpr math");
static_assert(Vector2(1.0f, 1.0f) < Vector2(3.0f, 4.0f), "Comparison should be constexpr with embedded constexpr math");
+26 -16
View File
@@ -2,11 +2,11 @@
// Created by Vlad on 01.09.2024.
//
#include <omath/linear_algebra/vector3.hpp>
#include <cfloat> // For FLT_MAX, FLT_MIN
#include <cmath>
#include <gtest/gtest.h>
#include <limits> // For std::numeric_limits
#include <omath/linear_algebra/vector3.hpp>
using namespace omath;
@@ -31,35 +31,33 @@ TEST(Vector3More, ArithmeticAndDotCross)
constexpr Vector3<float> a{1.f, 0.f, 0.f};
constexpr Vector3<float> b{0.f, 1.f, 0.f};
const auto c = a + b;
constexpr Vector3<float> expect_c{1.f,1.f,0.f};
constexpr Vector3<float> expect_c{1.f, 1.f, 0.f};
EXPECT_EQ(c, expect_c);
const auto d = a - b;
constexpr Vector3<float> expect_d{1.f,-1.f,0.f};
constexpr Vector3<float> expect_d{1.f, -1.f, 0.f};
EXPECT_EQ(d, expect_d);
const auto e = a * 2.f;
constexpr Vector3<float> expect_e{2.f,0.f,0.f};
constexpr Vector3<float> expect_e{2.f, 0.f, 0.f};
EXPECT_EQ(e, expect_e);
EXPECT_FLOAT_EQ(a.dot(b), 0.f);
// manual cross product check
const auto cr = Vector3<float>{ a.y * b.z - a.z * b.y,
a.z * b.x - a.x * b.z,
a.x * b.y - a.y * b.x };
constexpr Vector3<float> expect_cr{0.f,0.f,1.f};
const auto cr = Vector3<float>{a.y * b.z - a.z * b.y, a.z * b.x - a.x * b.z, a.x * b.y - a.y * b.x};
constexpr Vector3<float> expect_cr{0.f, 0.f, 1.f};
EXPECT_EQ(cr, expect_cr);
}
TEST(Vector3More, NormalizationEdgeCases)
{
constexpr Vector3<double> z{0.0,0.0,0.0};
constexpr Vector3<double> z{0.0, 0.0, 0.0};
const auto zn = z.normalized();
EXPECT_DOUBLE_EQ(zn.x, 0.0);
EXPECT_DOUBLE_EQ(zn.y, 0.0);
EXPECT_DOUBLE_EQ(zn.z, 0.0);
constexpr Vector3<double> v{3.0,4.0,0.0};
constexpr Vector3<double> v{3.0, 4.0, 0.0};
const auto vn = v.normalized();
EXPECT_NEAR(vn.x, 0.6, 1e-12);
EXPECT_NEAR(vn.y, 0.8, 1e-12);
@@ -481,16 +479,14 @@ TEST_F(UnitTestVector3, AsTuple)
// Test AsTuple method
TEST_F(UnitTestVector3, AngleBeatween)
{
EXPECT_NEAR(Vector3(0.0f, 0.0f, 1.0f).angle_between({1, 0, 0}).value().as_degrees(),
90.0f, 0.001f);
EXPECT_NEAR(Vector3(0.0f, 0.0f, 1.0f).angle_between({0.0f, 0.0f, 1.0f}).value().as_degrees(),
0.0f, 0.001f);
EXPECT_NEAR(Vector3(0.0f, 0.0f, 1.0f).angle_between({1, 0, 0}).value().as_degrees(), 90.0f, 0.001f);
EXPECT_NEAR(Vector3(0.0f, 0.0f, 1.0f).angle_between({0.0f, 0.0f, 1.0f}).value().as_degrees(), 0.0f, 0.001f);
EXPECT_FALSE(Vector3(0.0f, 0.0f, 0.0f).angle_between({0.0f, 0.0f, 1.0f}).has_value());
}
TEST_F(UnitTestVector3, IsPerpendicular)
{
EXPECT_EQ(Vector3(0.0f, 0.0f, 1.0f).is_perpendicular({1, 0 ,0}), true);
EXPECT_EQ(Vector3(0.0f, 0.0f, 1.0f).is_perpendicular({1, 0, 0}), true);
EXPECT_EQ(Vector3(0.0f, 0.0f, 1.0f).is_perpendicular({0.0f, 0.0f, 1.0f}), false);
EXPECT_FALSE(Vector3(0.0f, 0.0f, 0.0f).is_perpendicular({0.0f, 0.0f, 1.0f}));
}
@@ -585,4 +581,18 @@ TEST(Vector3Cast, SameTypeRoundtrip)
static_assert(Vector3(1.0f, 2.0f, 3.0f).length_sqr() == 14.0f, "LengthSqr should be 14");
static_assert(Vector3(1.0f, 2.0f, 3.0f).dot(Vector3(4.0f, 5.0f, 6.0f)) == 32.0f, "Dot product should be 32");
static_assert(Vector3(4.0f, 5.0f, 6.0f).distance_to_sqr(Vector3(1.0f, 2.0f, 3.0f)) == 27.0f, "DistToSqr should be 27");
static_assert(Vector3(-1.0f, -2.0f, -3.0f).abs() == Vector3(1.0f, 2.0f, 3.0f), "Abs should convert negative values to positive");
static_assert(Vector3(-1.0f, -2.0f, -3.0f).abs() == Vector3(1.0f, 2.0f, 3.0f),
"Abs should convert negative values to positive");
static_assert(Vector3(1.0f, 2.0f, 2.0f).length() == 3.0f, "Length should be constexpr with embedded constexpr math");
static_assert(Vector3(0.0f, 0.0f, 0.0f).distance_to(Vector3(1.0f, 2.0f, 2.0f)) == 3.0f,
"Distance should be constexpr with embedded constexpr math");
static_assert(Vector3(1.0f, 1.0f, 1.0f) < Vector3(3.0f, 4.0f, 5.0f),
"Comparison should be constexpr with embedded constexpr math");
static_assert(
[]
{
constexpr auto angle = Vector3(1.0f, 0.0f, 0.0f).angle_between(Vector3(0.0f, 1.0f, 0.0f));
return angle.has_value() && angle->as_degrees() > 89.999f && angle->as_degrees() < 90.001f;
}(),
"Angle between should be constexpr with embedded constexpr math");
+11
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#include <gtest/gtest.h>
import omath;
TEST(UnitTestModule, ImportOmath)
{
const omath::Vector2<float> vec{1.f, 2.f};
EXPECT_FLOAT_EQ(vec.x, 1.f);
EXPECT_FLOAT_EQ(vec.y, 2.f);
}