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6 Commits

Author SHA1 Message Date
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
6 changed files with 54 additions and 54 deletions
+5 -4
View File
@@ -265,13 +265,14 @@ namespace omath
};
} // namespace omath
template<> struct std::hash<omath::Vector2<float>>
template<class Type>
struct std::hash<omath::Vector2<Type>> // 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);
@@ -284,7 +285,7 @@ template<class Type>
struct std::formatter<omath::Vector2<Type>> // 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();
}
+5 -4
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@@ -318,14 +318,15 @@ namespace omath
};
} // namespace omath
template<> struct std::hash<omath::Vector3<float>>
template<class Type>
struct std::hash<omath::Vector3<Type>> // 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);
@@ -339,7 +340,7 @@ template<class Type>
struct std::formatter<omath::Vector3<Type>> // 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();
}
+5 -5
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@@ -225,13 +225,14 @@ namespace omath
};
} // namespace omath
template<> struct std::hash<omath::Vector4<float>>
template<class Type>
struct std::hash<omath::Vector4<Type>> // 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)
{
[[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();
}
+12 -6
View File
@@ -238,7 +238,8 @@ namespace omath::projection
return m_view_projection_matrix.value();
}
[[nodiscard("You must use view matrix")]] constexpr 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 = calc_view_matrix();
@@ -295,27 +296,32 @@ namespace omath::projection
m_projection_matrix = std::nullopt;
}
[[nodiscard("You must use field of view")]] constexpr 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")]] constexpr 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")]] constexpr 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")]] constexpr 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")]] constexpr const Vector3<NumericType>& get_origin() const noexcept
[[nodiscard("You must use origin")]]
constexpr const Vector3<NumericType>& get_origin() const noexcept
{
return m_origin;
}
+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());
+10 -3
View File
@@ -38,17 +38,24 @@ namespace omath
friend unit_test_pattern_scan_consteval_spacing_and_case_Test;
public:
template<std::size_t N>
template<std::size_t Length>
struct ConstevalPattern final
{
char value[N]{};
char value[Length]{};
// ReSharper disable once CppNonExplicitConvertingConstructor
constexpr ConstevalPattern(const char (&text)[N]) // NOLINT(*-explicit-constructor)
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,