feat: initial DX12 foundation framework

This commit is contained in:
SpecialX
2026-03-19 18:27:49 +08:00
commit 60f73b525d
70 changed files with 8993 additions and 0 deletions

77
Engine/Core/MainWin32.cpp Normal file
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/**
* @file MainWin32.cpp
* @brief Win32 可执行程序入口与消息泵实现。
* @details
* 负责设置工作目录、初始化调试内存检测,并驱动主循环:
* - 轮询并分发 Windows 消息;
* - 在消息空闲阶段调用 engine_update
* - 退出时由 engine_shutdown 完成资源收尾。
*/
#ifdef _WIN64
#include "CommonHeader.h"
#include <filesystem>
#ifndef WIN32_MEAN_AND_LEAN
#define WIN32_MEAN_AND_LEAN
#endif
#include <Windows.h>
#include <crtdbg.h>
namespace {
/**
* @brief 将当前工作目录切换到可执行文件所在目录。
* @return 切换后的当前目录;失败时返回空路径。
*/
std::filesystem::path
set_current_directory_to_executable_path()
{
wchar_t path[MAX_PATH]{};
const uint32_t length{ GetModuleFileName(0, &path[0], MAX_PATH) };
if (!length || GetLastError() == ERROR_INSUFFICIENT_BUFFER) return {};
std::filesystem::path p{ path };
std::filesystem::current_path(p.parent_path());
return std::filesystem::current_path();
}
}
#ifndef USE_WITH_EDITOR
extern bool engine_initialize();
extern void engine_update();
extern void engine_shutdown();
/**
* @brief Win32 程序入口函数。
* @return 进程退出码。
*/
int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
#if _DEBUG
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif
set_current_directory_to_executable_path();
if (engine_initialize())
{
MSG msg{};
bool is_running{ true };
while (is_running)
{
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
is_running &= (msg.message != WM_QUIT);
}
engine_update();
}
}
}
#endif // USE_WITH_EDITOR
#endif // _WIN64