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v5.2.0 ... main

Author SHA1 Message Date
29255cbb0e added claud config + skills 2026-05-06 04:04:57 +03:00
8ad936f9f1 added separated mutexes for each call back 2026-05-04 20:55:42 +03:00
57c834ded4 code style fixes 2026-05-04 19:42:39 +03:00
5 changed files with 360 additions and 194 deletions

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@@ -0,0 +1,67 @@
---
name: karpathy-guidelines
description: Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.
license: MIT
---
# Karpathy Guidelines
Behavioral guidelines to reduce common LLM coding mistakes, derived from [Andrej Karpathy's observations](https://x.com/karpathy/status/2015883857489522876) on LLM coding pitfalls.
**Tradeoff:** These guidelines bias toward caution over speed. For trivial tasks, use judgment.
## 1. Think Before Coding
**Don't assume. Don't hide confusion. Surface tradeoffs.**
Before implementing:
- State your assumptions explicitly. If uncertain, ask.
- If multiple interpretations exist, present them - don't pick silently.
- If a simpler approach exists, say so. Push back when warranted.
- If something is unclear, stop. Name what's confusing. Ask.
## 2. Simplicity First
**Minimum code that solves the problem. Nothing speculative.**
- No features beyond what was asked.
- No abstractions for single-use code.
- No "flexibility" or "configurability" that wasn't requested.
- No error handling for impossible scenarios.
- If you write 200 lines and it could be 50, rewrite it.
Ask yourself: "Would a senior engineer say this is overcomplicated?" If yes, simplify.
## 3. Surgical Changes
**Touch only what you must. Clean up only your own mess.**
When editing existing code:
- Don't "improve" adjacent code, comments, or formatting.
- Don't refactor things that aren't broken.
- Match existing style, even if you'd do it differently.
- If you notice unrelated dead code, mention it - don't delete it.
When your changes create orphans:
- Remove imports/variables/functions that YOUR changes made unused.
- Don't remove pre-existing dead code unless asked.
The test: Every changed line should trace directly to the user's request.
## 4. Goal-Driven Execution
**Define success criteria. Loop until verified.**
Transform tasks into verifiable goals:
- "Add validation" → "Write tests for invalid inputs, then make them pass"
- "Fix the bug" → "Write a test that reproduces it, then make it pass"
- "Refactor X" → "Ensure tests pass before and after"
For multi-step tasks, state a brief plan:
```
1. [Step] → verify: [check]
2. [Step] → verify: [check]
3. [Step] → verify: [check]
```
Strong success criteria let you loop independently. Weak criteria ("make it work") require constant clarification.

65
CLAUDE.md Normal file
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@@ -0,0 +1,65 @@
# CLAUDE.md
Behavioral guidelines to reduce common LLM coding mistakes. Merge with project-specific instructions as needed.
**Tradeoff:** These guidelines bias toward caution over speed. For trivial tasks, use judgment.
## 1. Think Before Coding
**Don't assume. Don't hide confusion. Surface tradeoffs.**
Before implementing:
- State your assumptions explicitly. If uncertain, ask.
- If multiple interpretations exist, present them - don't pick silently.
- If a simpler approach exists, say so. Push back when warranted.
- If something is unclear, stop. Name what's confusing. Ask.
## 2. Simplicity First
**Minimum code that solves the problem. Nothing speculative.**
- No features beyond what was asked.
- No abstractions for single-use code.
- No "flexibility" or "configurability" that wasn't requested.
- No error handling for impossible scenarios.
- If you write 200 lines and it could be 50, rewrite it.
Ask yourself: "Would a senior engineer say this is overcomplicated?" If yes, simplify.
## 3. Surgical Changes
**Touch only what you must. Clean up only your own mess.**
When editing existing code:
- Don't "improve" adjacent code, comments, or formatting.
- Don't refactor things that aren't broken.
- Match existing style, even if you'd do it differently.
- If you notice unrelated dead code, mention it - don't delete it.
When your changes create orphans:
- Remove imports/variables/functions that YOUR changes made unused.
- Don't remove pre-existing dead code unless asked.
The test: Every changed line should trace directly to the user's request.
## 4. Goal-Driven Execution
**Define success criteria. Loop until verified.**
Transform tasks into verifiable goals:
- "Add validation" → "Write tests for invalid inputs, then make them pass"
- "Fix the bug" → "Write a test that reproduces it, then make it pass"
- "Refactor X" → "Ensure tests pass before and after"
For multi-step tasks, state a brief plan:
```
1. [Step] → verify: [check]
2. [Step] → verify: [check]
3. [Step] → verify: [check]
```
Strong success criteria let you loop independently. Weak criteria ("make it work") require constant clarification.
---
**These guidelines are working if:** fewer unnecessary changes in diffs, fewer rewrites due to overcomplication, and clarifying questions come before implementation rather than after mistakes.

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@@ -1,3 +1,4 @@
#include "omath/hooks/hooks_manager.hpp"
#include <Windows.h>
#include <d3d11.h>
#include <dxgi.h>
@@ -5,18 +6,16 @@
#include <imgui_impl_dx11.h>
#include <imgui_impl_win32.h>
#include "omath/hooks/hooks_manager.hpp"
extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND, UINT, WPARAM, LPARAM);
namespace
{
bool g_initialized = false;
bool g_initialized = false;
bool g_init_attempted = false;
ID3D11Device* g_device = nullptr;
ID3D11DeviceContext* g_context = nullptr;
ID3D11RenderTargetView* g_render_target_view = nullptr;
ID3D11Device* g_device = nullptr;
ID3D11DeviceContext* g_context = nullptr;
ID3D11RenderTargetView* g_render_target_view = nullptr;
void create_render_target(IDXGISwapChain* swap_chain)
{
@@ -51,12 +50,14 @@ namespace
ImGui_ImplDX11_Init(g_device, g_context);
auto& mgr = omath::hooks::HooksManager::get();
mgr.set_on_wnd_proc([](HWND h, UINT msg, WPARAM wp, LPARAM lp) -> std::optional<LRESULT> {
if (ImGui_ImplWin32_WndProcHandler(h, msg, wp, lp))
return 0;
return std::nullopt;
});
mgr.hook_wnd_proc(desc.OutputWindow);
mgr.set_on_wnd_proc(
[](HWND h, UINT msg, WPARAM wp, LPARAM lp) -> std::optional<LRESULT>
{
if (ImGui_ImplWin32_WndProcHandler(h, msg, wp, lp))
return 0;
return std::nullopt;
});
std::ignore = mgr.hook_wnd_proc(desc.OutputWindow);
g_initialized = true;
}
@@ -105,17 +106,20 @@ BOOL WINAPI DllMain(HINSTANCE h_instance, DWORD reason, LPVOID)
if (reason == DLL_PROCESS_ATTACH)
{
DisableThreadLibraryCalls(h_instance);
CreateThread(nullptr, 0, [](LPVOID) -> DWORD
{
while (!GetModuleHandle("d3d11.dll"))
Sleep(100);
CreateThread(
nullptr, 0,
[](LPVOID) -> DWORD
{
while (!GetModuleHandle("d3d11.dll"))
Sleep(100);
auto& mgr = omath::hooks::HooksManager::get();
mgr.set_on_present(on_present);
mgr.set_on_resize_buffers(on_resize_buffers);
mgr.hook_dx11();
return 0;
}, nullptr, 0, nullptr);
auto& mgr = omath::hooks::HooksManager::get();
mgr.set_on_present(on_present);
mgr.set_on_resize_buffers(on_resize_buffers);
mgr.hook_dx11();
return 0;
},
nullptr, 0, nullptr);
}
else if (reason == DLL_PROCESS_DETACH)
{
@@ -130,9 +134,21 @@ BOOL WINAPI DllMain(HINSTANCE h_instance, DWORD reason, LPVOID)
ImGui::DestroyContext();
}
if (g_render_target_view) { g_render_target_view->Release(); g_render_target_view = nullptr; }
if (g_context) { g_context->Release(); g_context = nullptr; }
if (g_device) { g_device->Release(); g_device = nullptr; }
if (g_render_target_view)
{
g_render_target_view->Release();
g_render_target_view = nullptr;
}
if (g_context)
{
g_context->Release();
g_context = nullptr;
}
if (g_device)
{
g_device->Release();
g_device = nullptr;
}
}
return TRUE;
}

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@@ -1,10 +1,10 @@
#pragma once
#ifdef OMATH_ENABLE_HOOKING
#include <cstdint>
#include <functional>
#include <optional>
#include <shared_mutex>
#include <cstdint>
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
@@ -13,9 +13,9 @@
#define NOMINMAX
#endif
#include <Windows.h>
#include <dxgi.h>
#include <d3d9.h>
#include <d3d12.h>
#include <d3d9.h>
#include <dxgi.h>
#include <safetyhook.hpp>
namespace omath::hooks
@@ -23,22 +23,25 @@ namespace omath::hooks
class HooksManager final
{
HooksManager() = default;
public:
// IDXGISwapChain callbacks — shared between DX11 and DX12 (same interface, same signature).
using present_callback = std::function<void(IDXGISwapChain*, UINT, UINT)>;
using resize_buffers_callback = std::function<void(IDXGISwapChain*, UINT, UINT, UINT, DXGI_FORMAT, UINT)>;
using execute_command_lists_callback = std::function<void(ID3D12CommandQueue*, UINT, ID3D12CommandList* const*)>;
using present_callback = std::function<void(IDXGISwapChain*, UINT, UINT)>;
using resize_buffers_callback = std::function<void(IDXGISwapChain*, UINT, UINT, UINT, DXGI_FORMAT, UINT)>;
using execute_command_lists_callback =
std::function<void(ID3D12CommandQueue*, UINT, ID3D12CommandList* const*)>;
// IDirect3DDevice9 callbacks — DX9 only.
using dx9_present_callback = std::function<void(IDirect3DDevice9*, const RECT*, const RECT*, HWND, const RGNDATA*)>;
using dx9_reset_callback = std::function<void(IDirect3DDevice9*, D3DPRESENT_PARAMETERS*)>;
using dx9_present_callback =
std::function<void(IDirect3DDevice9*, const RECT*, const RECT*, HWND, const RGNDATA*)>;
using dx9_reset_callback = std::function<void(IDirect3DDevice9*, D3DPRESENT_PARAMETERS*)>;
using dx9_end_scene_callback = std::function<void(IDirect3DDevice9*)>;
// Return nullopt to pass the message to the original WndProc; return a value to intercept it.
using wnd_proc_callback = std::function<std::optional<LRESULT>(HWND, UINT, WPARAM, LPARAM)>;
[[nodiscard]] static HooksManager& get();
HooksManager(const HooksManager&) = delete;
HooksManager(const HooksManager&) = delete;
HooksManager& operator=(const HooksManager&) = delete;
~HooksManager();
@@ -64,36 +67,51 @@ namespace omath::hooks
void set_on_wnd_proc(wnd_proc_callback callback);
private:
[[nodiscard]]
static HRESULT __stdcall dx9_present_detour(IDirect3DDevice9* p_device, const RECT* p_source_rect,
const RECT* p_dest_rect, HWND h_dest_window_override,
const RGNDATA* p_dirty_region);
[[nodiscard]]
static HRESULT __stdcall dx9_reset_detour(IDirect3DDevice9* p_device,
D3DPRESENT_PARAMETERS* p_presentation_parameters);
[[nodiscard]]
static HRESULT __stdcall dx9_end_scene_detour(IDirect3DDevice9* p_device);
[[nodiscard]]
static HRESULT __stdcall dx11_present_detour(IDXGISwapChain* p_swap_chain, UINT sync_interval, UINT flags);
static HRESULT __stdcall dx11_resize_buffers_detour(IDXGISwapChain* p_swap_chain, UINT buffer_count,
UINT width, UINT height, DXGI_FORMAT new_format,
UINT swap_chain_flags);
[[nodiscard]]
static HRESULT __stdcall dx11_resize_buffers_detour(IDXGISwapChain* p_swap_chain, UINT buffer_count, UINT width,
UINT height, DXGI_FORMAT new_format, UINT swap_chain_flags);
[[nodiscard]]
static HRESULT __stdcall dx12_present_detour(IDXGISwapChain* p_swap_chain, UINT sync_interval, UINT flags);
static HRESULT __stdcall dx12_resize_buffers_detour(IDXGISwapChain* p_swap_chain, UINT buffer_count,
UINT width, UINT height, DXGI_FORMAT new_format,
UINT swap_chain_flags);
[[nodiscard]]
static HRESULT __stdcall dx12_resize_buffers_detour(IDXGISwapChain* p_swap_chain, UINT buffer_count, UINT width,
UINT height, DXGI_FORMAT new_format, UINT swap_chain_flags);
static void __stdcall dx12_execute_command_lists_detour(ID3D12CommandQueue* p_command_queue,
UINT num_command_lists,
ID3D12CommandList* const* pp_command_lists);
[[nodiscard]]
static LRESULT __stdcall wnd_proc_detour(HWND hwnd, UINT msg, WPARAM w_param, LPARAM l_param);
mutable std::shared_mutex m_mutex;
mutable std::shared_mutex m_hook_state_mutex;
bool m_is_dx9_hooked = false;
bool m_is_dx11_hooked = false;
bool m_is_dx12_hooked = false;
mutable std::shared_mutex m_dx9_present_mutex;
mutable std::shared_mutex m_dx9_reset_mutex;
mutable std::shared_mutex m_dx9_end_scene_mutex;
mutable std::shared_mutex m_present_mutex;
mutable std::shared_mutex m_resize_buffers_mutex;
mutable std::shared_mutex m_execute_command_lists_mutex;
mutable std::shared_mutex m_wnd_proc_mutex;
bool m_is_dx9_hooked = false;
bool m_is_dx11_hooked = false;
bool m_is_dx12_hooked = false;
bool m_is_wnd_proc_hooked = false;
HWND m_hooked_hwnd = nullptr;
HWND m_hooked_hwnd = nullptr;
WNDPROC m_original_wndproc = nullptr;
safetyhook::InlineHook m_dx9_present_hook;
@@ -107,16 +125,16 @@ namespace omath::hooks
safetyhook::InlineHook m_dx12_resize_buffers_hook;
safetyhook::InlineHook m_dx12_execute_command_lists_hook;
dx9_present_callback m_dx9_present_cb;
dx9_reset_callback m_dx9_reset_cb;
dx9_present_callback m_dx9_present_cb;
dx9_reset_callback m_dx9_reset_cb;
dx9_end_scene_callback m_dx9_end_scene_cb;
present_callback m_present_cb;
resize_buffers_callback m_resize_buffers_cb;
present_callback m_present_cb;
resize_buffers_callback m_resize_buffers_cb;
execute_command_lists_callback m_execute_command_lists_cb;
wnd_proc_callback m_wnd_proc_cb;
wnd_proc_callback m_wnd_proc_cb;
};
}
} // namespace omath::hooks
#else // !OMATH_ENABLE_HOOKING
@@ -125,11 +143,12 @@ namespace omath::hooks
class HooksManager final
{
HooksManager() = default;
public:
[[nodiscard]] static HooksManager& get();
HooksManager(const HooksManager&) = delete;
~HooksManager();
};
}
} // namespace omath::hooks
#endif

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@@ -13,14 +13,14 @@ namespace
public:
DummyWindow()
{
m_window_class.cbSize = sizeof(WNDCLASSEX);
m_window_class.style = CS_HREDRAW | CS_VREDRAW;
m_window_class.lpfnWndProc = DefWindowProc;
m_window_class.hInstance = GetModuleHandle(nullptr);
m_window_class.cbSize = sizeof(WNDCLASSEX);
m_window_class.style = CS_HREDRAW | CS_VREDRAW;
m_window_class.lpfnWndProc = DefWindowProc;
m_window_class.hInstance = GetModuleHandle(nullptr);
m_window_class.lpszClassName = "OM";
RegisterClassEx(&m_window_class);
m_window_handle = CreateWindow(m_window_class.lpszClassName, "Dummy", WS_OVERLAPPEDWINDOW,
0, 0, 100, 100, nullptr, nullptr, m_window_class.hInstance, nullptr);
m_window_handle = CreateWindow(m_window_class.lpszClassName, "Dummy", WS_OVERLAPPEDWINDOW, 0, 0, 100, 100,
nullptr, nullptr, m_window_class.hInstance, nullptr);
}
~DummyWindow()
{
@@ -28,8 +28,14 @@ namespace
DestroyWindow(m_window_handle);
UnregisterClass(m_window_class.lpszClassName, m_window_class.hInstance);
}
[[nodiscard]] HWND handle() const { return m_window_handle; }
[[nodiscard]] bool valid() const { return m_window_handle != nullptr; }
[[nodiscard]] HWND handle() const
{
return m_window_handle;
}
[[nodiscard]] bool valid() const
{
return m_window_handle != nullptr;
}
};
void* vtable_fn(void* com_obj, std::size_t index)
@@ -47,25 +53,31 @@ namespace
// RAII wrapper so all early-return paths release COM objects automatically.
struct dx12_com_objects
{
IDXGIFactory* factory = nullptr;
ID3D12Device* device = nullptr;
ID3D12CommandQueue* command_queue = nullptr;
ID3D12CommandAllocator* command_allocator = nullptr;
ID3D12GraphicsCommandList* command_list = nullptr;
IDXGISwapChain* swap_chain = nullptr;
IDXGIFactory* factory = nullptr;
ID3D12Device* device = nullptr;
ID3D12CommandQueue* command_queue = nullptr;
ID3D12CommandAllocator* command_allocator = nullptr;
ID3D12GraphicsCommandList* command_list = nullptr;
IDXGISwapChain* swap_chain = nullptr;
dx12_com_objects() = default;
dx12_com_objects(const dx12_com_objects&) = delete;
dx12_com_objects(const dx12_com_objects&) = delete;
dx12_com_objects& operator=(const dx12_com_objects&) = delete;
~dx12_com_objects()
{
if (swap_chain) swap_chain->Release();
if (command_list) command_list->Release();
if (command_allocator) command_allocator->Release();
if (command_queue) command_queue->Release();
if (device) device->Release();
if (factory) factory->Release();
if (swap_chain)
swap_chain->Release();
if (command_list)
command_list->Release();
if (command_allocator)
command_allocator->Release();
if (command_queue)
command_queue->Release();
if (device)
device->Release();
if (factory)
factory->Release();
}
};
@@ -75,14 +87,14 @@ namespace
using d3d12_create_device_fn = HRESULT(__stdcall*)(IUnknown*, D3D_FEATURE_LEVEL, REFIID, void**);
const HMODULE d3d12_module = GetModuleHandle("d3d12.dll");
const HMODULE dxgi_module = GetModuleHandle("dxgi.dll");
const HMODULE dxgi_module = GetModuleHandle("dxgi.dll");
if (!d3d12_module || !dxgi_module)
return std::nullopt;
const auto create_dxgi_factory = reinterpret_cast<create_dxgi_factory_fn>(
GetProcAddress(dxgi_module, "CreateDXGIFactory"));
const auto d3d12_create_device = reinterpret_cast<d3d12_create_device_fn>(
GetProcAddress(d3d12_module, "D3D12CreateDevice"));
const auto create_dxgi_factory =
reinterpret_cast<create_dxgi_factory_fn>(GetProcAddress(dxgi_module, "CreateDXGIFactory"));
const auto d3d12_create_device =
reinterpret_cast<d3d12_create_device_fn>(GetProcAddress(d3d12_module, "D3D12CreateDevice"));
if (!create_dxgi_factory || !d3d12_create_device)
return std::nullopt;
@@ -96,9 +108,8 @@ namespace
if (objs.factory->EnumAdapters(0, &adapter) == DXGI_ERROR_NOT_FOUND)
return std::nullopt;
const HRESULT device_hr = d3d12_create_device(adapter, D3D_FEATURE_LEVEL_11_0,
__uuidof(ID3D12Device),
reinterpret_cast<void**>(&objs.device));
const HRESULT device_hr = d3d12_create_device(adapter, D3D_FEATURE_LEVEL_11_0, __uuidof(ID3D12Device),
reinterpret_cast<void**>(&objs.device));
adapter->Release();
if (FAILED(device_hr))
return std::nullopt;
@@ -110,37 +121,36 @@ namespace
reinterpret_cast<void**>(&objs.command_queue))))
return std::nullopt;
if (FAILED(objs.device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT,
__uuidof(ID3D12CommandAllocator),
reinterpret_cast<void**>(&objs.command_allocator))))
if (FAILED(objs.device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, __uuidof(ID3D12CommandAllocator),
reinterpret_cast<void**>(&objs.command_allocator))))
return std::nullopt;
if (FAILED(objs.device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, objs.command_allocator,
nullptr, __uuidof(ID3D12GraphicsCommandList),
reinterpret_cast<void**>(&objs.command_list))))
if (FAILED(objs.device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, objs.command_allocator, nullptr,
__uuidof(ID3D12GraphicsCommandList),
reinterpret_cast<void**>(&objs.command_list))))
return std::nullopt;
DXGI_SWAP_CHAIN_DESC swap_chain_desc{};
swap_chain_desc.BufferDesc.Width = 100;
swap_chain_desc.BufferDesc.Height = 100;
swap_chain_desc.BufferDesc.Width = 100;
swap_chain_desc.BufferDesc.Height = 100;
swap_chain_desc.BufferDesc.RefreshRate = {60, 1};
swap_chain_desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swap_chain_desc.SampleDesc = {1, 0};
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swap_chain_desc.BufferCount = 2;
swap_chain_desc.OutputWindow = hwnd;
swap_chain_desc.Windowed = TRUE;
swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
swap_chain_desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swap_chain_desc.SampleDesc = {1, 0};
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swap_chain_desc.BufferCount = 2;
swap_chain_desc.OutputWindow = hwnd;
swap_chain_desc.Windowed = TRUE;
swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
if (FAILED(objs.factory->CreateSwapChain(objs.command_queue, &swap_chain_desc, &objs.swap_chain)))
return std::nullopt;
// objs destructor releases all COM objects after we capture the addresses.
return dx12_vtable_fns{
vtable_fn(objs.swap_chain, 8), // IDXGISwapChain::Present
vtable_fn(objs.swap_chain, 13), // IDXGISwapChain::ResizeBuffers
vtable_fn(objs.command_queue, 10), // ID3D12CommandQueue::ExecuteCommandLists
vtable_fn(objs.swap_chain, 8), // IDXGISwapChain::Present
vtable_fn(objs.swap_chain, 13), // IDXGISwapChain::ResizeBuffers
vtable_fn(objs.command_queue, 10), // ID3D12CommandQueue::ExecuteCommandLists
};
}
} // namespace
@@ -163,7 +173,7 @@ namespace omath::hooks
bool HooksManager::hook_dx9()
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_hook_state_mutex);
if (m_is_dx9_hooked)
return true;
@@ -176,8 +186,8 @@ namespace omath::hooks
return false;
using direct3d_create9_fn = IDirect3D9*(__stdcall*)(UINT);
const auto direct3d_create9 = reinterpret_cast<direct3d_create9_fn>(
GetProcAddress(d3d9_module, "Direct3DCreate9"));
const auto direct3d_create9 =
reinterpret_cast<direct3d_create9_fn>(GetProcAddress(d3d9_module, "Direct3DCreate9"));
if (!direct3d_create9)
return false;
@@ -186,9 +196,9 @@ namespace omath::hooks
return false;
D3DPRESENT_PARAMETERS pp{};
pp.SwapEffect = D3DSWAPEFFECT_DISCARD;
pp.SwapEffect = D3DSWAPEFFECT_DISCARD;
pp.hDeviceWindow = window.handle();
pp.Windowed = TRUE;
pp.Windowed = TRUE;
IDirect3DDevice9* device = nullptr;
if (FAILED(d3d9->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, window.handle(),
@@ -202,25 +212,21 @@ namespace omath::hooks
// Reset = 16
// Present = 17
// EndScene = 42
m_dx9_present_hook = safetyhook::create_inline(
vtable_fn(device, 17),
reinterpret_cast<void*>(&dx9_present_detour));
m_dx9_present_hook =
safetyhook::create_inline(vtable_fn(device, 17), reinterpret_cast<void*>(&dx9_present_detour));
m_dx9_reset_hook = safetyhook::create_inline(
vtable_fn(device, 16),
reinterpret_cast<void*>(&dx9_reset_detour));
m_dx9_reset_hook = safetyhook::create_inline(vtable_fn(device, 16), reinterpret_cast<void*>(&dx9_reset_detour));
m_dx9_end_scene_hook = safetyhook::create_inline(
vtable_fn(device, 42),
reinterpret_cast<void*>(&dx9_end_scene_detour));
m_dx9_end_scene_hook =
safetyhook::create_inline(vtable_fn(device, 42), reinterpret_cast<void*>(&dx9_end_scene_detour));
device->Release();
d3d9->Release();
if (!m_dx9_present_hook || !m_dx9_reset_hook || !m_dx9_end_scene_hook)
{
m_dx9_present_hook = {};
m_dx9_reset_hook = {};
m_dx9_present_hook = {};
m_dx9_reset_hook = {};
m_dx9_end_scene_hook = {};
return false;
}
@@ -231,34 +237,34 @@ namespace omath::hooks
void HooksManager::unhook_dx9()
{
std::unique_lock lock(m_mutex);
m_dx9_present_hook = {};
m_dx9_reset_hook = {};
std::unique_lock lock(m_hook_state_mutex);
m_dx9_present_hook = {};
m_dx9_reset_hook = {};
m_dx9_end_scene_hook = {};
m_is_dx9_hooked = false;
}
void HooksManager::set_on_dx9_present(dx9_present_callback callback)
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_dx9_present_mutex);
m_dx9_present_cb = std::move(callback);
}
void HooksManager::set_on_dx9_reset(dx9_reset_callback callback)
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_dx9_reset_mutex);
m_dx9_reset_cb = std::move(callback);
}
void HooksManager::set_on_dx9_end_scene(dx9_end_scene_callback callback)
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_dx9_end_scene_mutex);
m_dx9_end_scene_cb = std::move(callback);
}
bool HooksManager::hook_dx11()
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_hook_state_mutex);
if (m_is_dx11_hooked)
return true;
@@ -271,46 +277,43 @@ namespace omath::hooks
return false;
using d3d11_create_device_and_swap_chain_fn =
HRESULT(__stdcall*)(IDXGIAdapter*, D3D_DRIVER_TYPE, HMODULE, UINT,
const D3D_FEATURE_LEVEL*, UINT, UINT,
const DXGI_SWAP_CHAIN_DESC*, IDXGISwapChain**,
ID3D11Device**, D3D_FEATURE_LEVEL*, ID3D11DeviceContext**);
HRESULT(__stdcall*)(IDXGIAdapter*, D3D_DRIVER_TYPE, HMODULE, UINT, const D3D_FEATURE_LEVEL*, UINT, UINT,
const DXGI_SWAP_CHAIN_DESC*, IDXGISwapChain**, ID3D11Device**, D3D_FEATURE_LEVEL*,
ID3D11DeviceContext**);
const auto create_device_and_swap_chain = reinterpret_cast<d3d11_create_device_and_swap_chain_fn>(
GetProcAddress(d3d11_module, "D3D11CreateDeviceAndSwapChain"));
GetProcAddress(d3d11_module, "D3D11CreateDeviceAndSwapChain"));
if (!create_device_and_swap_chain)
return false;
DXGI_SWAP_CHAIN_DESC swap_chain_desc{};
swap_chain_desc.BufferDesc.Width = 100;
swap_chain_desc.BufferDesc.Height = 100;
swap_chain_desc.BufferDesc.Width = 100;
swap_chain_desc.BufferDesc.Height = 100;
swap_chain_desc.BufferDesc.RefreshRate = {60, 1};
swap_chain_desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swap_chain_desc.SampleDesc = {1, 0};
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swap_chain_desc.BufferCount = 1;
swap_chain_desc.OutputWindow = window.handle();
swap_chain_desc.Windowed = TRUE;
swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
swap_chain_desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swap_chain_desc.SampleDesc = {1, 0};
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swap_chain_desc.BufferCount = 1;
swap_chain_desc.OutputWindow = window.handle();
swap_chain_desc.Windowed = TRUE;
swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
constexpr D3D_FEATURE_LEVEL feature_levels[] = {D3D_FEATURE_LEVEL_11_0};
ID3D11Device* device = nullptr;
ID3D11Device* device = nullptr;
ID3D11DeviceContext* device_context = nullptr;
IDXGISwapChain* swap_chain = nullptr;
IDXGISwapChain* swap_chain = nullptr;
if (FAILED(create_device_and_swap_chain(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, 0,
feature_levels, 1, D3D11_SDK_VERSION,
&swap_chain_desc, &swap_chain,
&device, nullptr, &device_context)))
if (FAILED(create_device_and_swap_chain(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, 0, feature_levels, 1,
D3D11_SDK_VERSION, &swap_chain_desc, &swap_chain, &device, nullptr,
&device_context)))
return false;
m_dx11_present_hook = safetyhook::create_inline(
vtable_fn(swap_chain, 8), // IDXGISwapChain::Present
reinterpret_cast<void*>(&dx11_present_detour));
m_dx11_present_hook = safetyhook::create_inline(vtable_fn(swap_chain, 8), // IDXGISwapChain::Present
reinterpret_cast<void*>(&dx11_present_detour));
m_dx11_resize_buffers_hook = safetyhook::create_inline(
vtable_fn(swap_chain, 13), // IDXGISwapChain::ResizeBuffers
reinterpret_cast<void*>(&dx11_resize_buffers_detour));
m_dx11_resize_buffers_hook =
safetyhook::create_inline(vtable_fn(swap_chain, 13), // IDXGISwapChain::ResizeBuffers
reinterpret_cast<void*>(&dx11_resize_buffers_detour));
swap_chain->Release();
device_context->Release();
@@ -318,7 +321,7 @@ namespace omath::hooks
if (!m_dx11_present_hook || !m_dx11_resize_buffers_hook)
{
m_dx11_present_hook = {};
m_dx11_present_hook = {};
m_dx11_resize_buffers_hook = {};
return false;
}
@@ -329,15 +332,15 @@ namespace omath::hooks
void HooksManager::unhook_dx11()
{
std::unique_lock lock(m_mutex);
m_dx11_present_hook = {};
std::unique_lock lock(m_hook_state_mutex);
m_dx11_present_hook = {};
m_dx11_resize_buffers_hook = {};
m_is_dx11_hooked = false;
}
bool HooksManager::hook_dx12()
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_hook_state_mutex);
if (m_is_dx12_hooked)
return true;
@@ -349,22 +352,18 @@ namespace omath::hooks
if (!fns)
return false;
m_dx12_present_hook = safetyhook::create_inline(
fns->present,
reinterpret_cast<void*>(&dx12_present_detour));
m_dx12_present_hook = safetyhook::create_inline(fns->present, reinterpret_cast<void*>(&dx12_present_detour));
m_dx12_resize_buffers_hook = safetyhook::create_inline(
fns->resize_buffers,
reinterpret_cast<void*>(&dx12_resize_buffers_detour));
m_dx12_resize_buffers_hook =
safetyhook::create_inline(fns->resize_buffers, reinterpret_cast<void*>(&dx12_resize_buffers_detour));
m_dx12_execute_command_lists_hook = safetyhook::create_inline(
fns->execute_command_lists,
reinterpret_cast<void*>(&dx12_execute_command_lists_detour));
fns->execute_command_lists, reinterpret_cast<void*>(&dx12_execute_command_lists_detour));
if (!m_dx12_present_hook || !m_dx12_resize_buffers_hook || !m_dx12_execute_command_lists_hook)
{
m_dx12_present_hook = {};
m_dx12_resize_buffers_hook = {};
m_dx12_present_hook = {};
m_dx12_resize_buffers_hook = {};
m_dx12_execute_command_lists_hook = {};
return false;
}
@@ -375,63 +374,63 @@ namespace omath::hooks
void HooksManager::unhook_dx12()
{
std::unique_lock lock(m_mutex);
m_dx12_present_hook = {};
m_dx12_resize_buffers_hook = {};
std::unique_lock lock(m_hook_state_mutex);
m_dx12_present_hook = {};
m_dx12_resize_buffers_hook = {};
m_dx12_execute_command_lists_hook = {};
m_is_dx12_hooked = false;
}
void HooksManager::set_on_present(present_callback callback)
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_present_mutex);
m_present_cb = std::move(callback);
}
void HooksManager::set_on_resize_buffers(resize_buffers_callback callback)
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_resize_buffers_mutex);
m_resize_buffers_cb = std::move(callback);
}
void HooksManager::set_on_execute_command_lists(execute_command_lists_callback callback)
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_execute_command_lists_mutex);
m_execute_command_lists_cb = std::move(callback);
}
bool HooksManager::hook_wnd_proc(HWND hwnd)
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_hook_state_mutex);
if (m_is_wnd_proc_hooked)
return true;
const auto prev = reinterpret_cast<WNDPROC>(
SetWindowLongPtr(hwnd, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(&wnd_proc_detour)));
SetWindowLongPtr(hwnd, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(&wnd_proc_detour)));
if (!prev)
return false;
m_hooked_hwnd = hwnd;
m_original_wndproc = prev;
m_hooked_hwnd = hwnd;
m_original_wndproc = prev;
m_is_wnd_proc_hooked = true;
return true;
}
void HooksManager::unhook_wnd_proc()
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_hook_state_mutex);
if (!m_is_wnd_proc_hooked)
return;
SetWindowLongPtr(m_hooked_hwnd, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(m_original_wndproc));
m_hooked_hwnd = nullptr;
m_original_wndproc = nullptr;
m_hooked_hwnd = nullptr;
m_original_wndproc = nullptr;
m_is_wnd_proc_hooked = false;
}
void HooksManager::set_on_wnd_proc(wnd_proc_callback callback)
{
std::unique_lock lock(m_mutex);
std::unique_lock lock(m_wnd_proc_mutex);
m_wnd_proc_cb = std::move(callback);
}
@@ -445,13 +444,13 @@ namespace omath::hooks
auto& mgr = get();
dx9_present_callback cb;
{
std::shared_lock lock(mgr.m_mutex);
std::shared_lock lock(mgr.m_dx9_present_mutex);
cb = mgr.m_dx9_present_cb;
}
if (cb)
cb(p_device, p_source_rect, p_dest_rect, h_dest_window_override, p_dirty_region);
return mgr.m_dx9_present_hook.call<HRESULT>(p_device, p_source_rect, p_dest_rect,
h_dest_window_override, p_dirty_region);
return mgr.m_dx9_present_hook.call<HRESULT>(p_device, p_source_rect, p_dest_rect, h_dest_window_override,
p_dirty_region);
}
HRESULT __stdcall HooksManager::dx9_reset_detour(IDirect3DDevice9* p_device,
@@ -460,7 +459,7 @@ namespace omath::hooks
auto& mgr = get();
dx9_reset_callback cb;
{
std::shared_lock lock(mgr.m_mutex);
std::shared_lock lock(mgr.m_dx9_reset_mutex);
cb = mgr.m_dx9_reset_cb;
}
if (cb)
@@ -473,7 +472,7 @@ namespace omath::hooks
auto& mgr = get();
dx9_end_scene_callback cb;
{
std::shared_lock lock(mgr.m_mutex);
std::shared_lock lock(mgr.m_dx9_end_scene_mutex);
cb = mgr.m_dx9_end_scene_cb;
}
if (cb)
@@ -486,7 +485,7 @@ namespace omath::hooks
auto& mgr = get();
present_callback cb;
{
std::shared_lock lock(mgr.m_mutex);
std::shared_lock lock(mgr.m_present_mutex);
cb = mgr.m_present_cb;
}
if (cb)
@@ -501,13 +500,13 @@ namespace omath::hooks
auto& mgr = get();
resize_buffers_callback cb;
{
std::shared_lock lock(mgr.m_mutex);
std::shared_lock lock(mgr.m_resize_buffers_mutex);
cb = mgr.m_resize_buffers_cb;
}
if (cb)
cb(p_swap_chain, buffer_count, width, height, new_format, swap_chain_flags);
return mgr.m_dx11_resize_buffers_hook.call<HRESULT>(p_swap_chain, buffer_count, width, height,
new_format, swap_chain_flags);
return mgr.m_dx11_resize_buffers_hook.call<HRESULT>(p_swap_chain, buffer_count, width, height, new_format,
swap_chain_flags);
}
HRESULT __stdcall HooksManager::dx12_present_detour(IDXGISwapChain* p_swap_chain, UINT sync_interval, UINT flags)
@@ -515,7 +514,7 @@ namespace omath::hooks
auto& mgr = get();
present_callback cb;
{
std::shared_lock lock(mgr.m_mutex);
std::shared_lock lock(mgr.m_present_mutex);
cb = mgr.m_present_cb;
}
if (cb)
@@ -530,13 +529,13 @@ namespace omath::hooks
auto& mgr = get();
resize_buffers_callback cb;
{
std::shared_lock lock(mgr.m_mutex);
std::shared_lock lock(mgr.m_resize_buffers_mutex);
cb = mgr.m_resize_buffers_cb;
}
if (cb)
cb(p_swap_chain, buffer_count, width, height, new_format, swap_chain_flags);
return mgr.m_dx12_resize_buffers_hook.call<HRESULT>(p_swap_chain, buffer_count, width, height,
new_format, swap_chain_flags);
return mgr.m_dx12_resize_buffers_hook.call<HRESULT>(p_swap_chain, buffer_count, width, height, new_format,
swap_chain_flags);
}
void __stdcall HooksManager::dx12_execute_command_lists_detour(ID3D12CommandQueue* p_command_queue,
@@ -546,7 +545,7 @@ namespace omath::hooks
auto& mgr = get();
execute_command_lists_callback cb;
{
std::shared_lock lock(mgr.m_mutex);
std::shared_lock lock(mgr.m_execute_command_lists_mutex);
cb = mgr.m_execute_command_lists_cb;
}
if (cb)
@@ -560,8 +559,8 @@ namespace omath::hooks
wnd_proc_callback cb;
WNDPROC original;
{
std::shared_lock lock(mgr.m_mutex);
cb = mgr.m_wnd_proc_cb;
std::shared_lock lock(mgr.m_wnd_proc_mutex);
cb = mgr.m_wnd_proc_cb;
original = mgr.m_original_wndproc;
}
if (cb)