mirror of
https://github.com/DxWnd/DxWnd.reloaded
synced 2024-12-30 09:25:35 +01:00
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
//------------------------------------------------------------------------------
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// Tiny DirectDraw Proxy DLL v1.0 [28.05.2010]
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// Copyright 2010 Evgeny Vrublevsky <veg@tut.by>
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//------------------------------------------------------------------------------
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#define APP_NAME "Tiny DirectDraw Proxy"
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#define APP_VERSION "1.0 [28.05.2010]"
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <ctype.h>
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void InitDxWnd(void);
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void DxWndEndHook(void);
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struct ddraw_dll
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{
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HMODULE dll;
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FARPROC Direct3DCreate8;
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FARPROC DebugSetMute;
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FARPROC ValidateVertexShader;
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FARPROC ValidatePixelShader;
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} d3d8;
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__declspec(naked) void FakeDirect3DCreate8() { _asm { jmp [d3d8.Direct3DCreate8] } }
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__declspec(naked) void FakeDebugSetMute() { _asm { jmp [d3d8.DebugSetMute] } }
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__declspec(naked) void FakeValidateVertexShader() { _asm { jmp [d3d8.ValidateVertexShader] } }
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__declspec(naked) void FakeValidatePixelShader() { _asm { jmp [d3d8.ValidatePixelShader] } }
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BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
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{
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char path[MAX_PATH];
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switch (ul_reason_for_call)
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{
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case DLL_PROCESS_ATTACH:
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{
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CopyMemory(path+GetSystemDirectory(path,MAX_PATH-10), "\\d3d8.dll",11);
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d3d8.dll = LoadLibrary(path);
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if (d3d8.dll == false)
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{
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MessageBox(0, "Cannot load original d3d8.dll library", APP_NAME, MB_ICONERROR);
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ExitProcess(0);
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}
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d3d8.Direct3DCreate8 = GetProcAddress(d3d8.dll, "Direct3DCreate8");
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d3d8.DebugSetMute = GetProcAddress(d3d8.dll, "DebugSetMute");
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d3d8.ValidateVertexShader = GetProcAddress(d3d8.dll, "ValidateVertexShader");
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d3d8.ValidatePixelShader = GetProcAddress(d3d8.dll, "ValidatePixelShader");
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InitDxWnd();
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break;
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}
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case DLL_PROCESS_DETACH:
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{
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DxWndEndHook();
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FreeLibrary(d3d8.dll);
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}
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break;
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}
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return TRUE;
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}
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