mirror of
https://github.com/DxWnd/DxWnd.reloaded
synced 2024-12-30 09:25:35 +01:00
98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
#include <dxdiag.h>
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#include "dxwnd.h"
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#include "dxwcore.hpp"
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#include "syslibs.h"
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#include "dxhook.h"
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#include "dxhelper.h"
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static HookEntry_Type Hooks[]={
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{"CoCreateInstance", NULL, (FARPROC *)&pCoCreateInstance, (FARPROC)extCoCreateInstance},
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// {"CoCreateInstanceEx", NULL, (FARPROC *)&pCoCreateInstanceEx, (FARPROC)extCoCreateInstanceEx}, remote object creation....
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{0, NULL, 0, 0} // terminator
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};
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extern HRESULT WINAPI extDirectDrawCreate(GUID FAR *, LPDIRECTDRAW FAR *, IUnknown FAR *);
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extern HRESULT WINAPI extDirectDrawCreateEx(GUID FAR *, LPDIRECTDRAW FAR *, REFIID, IUnknown FAR *);
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void HookOle32(HMODULE module)
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{
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HookLibrary(module, Hooks, "ole32.dll");
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}
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FARPROC Remap_ole32_ProcAddress(LPCSTR proc, HMODULE hModule)
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{
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FARPROC addr;
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if (addr=RemapLibrary(proc, hModule, Hooks)) return addr;
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return NULL;
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}
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// -------------------------------------------------------------------------------------
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// Ole32 CoCreateInstance handling: you can create DirectDraw objects through it!
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// utilized so far in a single game: Axiz & Allies
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// -------------------------------------------------------------------------------------
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static void HookDDSession(LPDIRECTDRAW *, int);
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HRESULT STDAPICALLTYPE extCoCreateInstance(REFCLSID rclsid, LPUNKNOWN pUnkOuter, DWORD dwClsContext, REFIID riid, LPVOID FAR* ppv)
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{
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HRESULT res;
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OutTraceD("CoCreateInstance: rclsid=%x UnkOuter=%x ClsContext=%x refiid=%x\n",
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rclsid, pUnkOuter, dwClsContext, riid);
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// CLSID e436ebb3 implies loading quartz.dll to play movies through dshow:
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// quartz.dll must be hooked.
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if (*(DWORD *)&rclsid==0xe436ebb3){
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HMODULE qlib;
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OutTraceD("CoCreateInstance: CLSID_FilterGraph RIID=%x\n", *(DWORD *)&riid);
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qlib=(*pLoadLibraryA)("quartz.dll");
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OutTraceD("CoCreateInstance: quartz lib handle=%x\n", qlib);
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HookKernel32(qlib);
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HookUser32(qlib);
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HookWinMM(qlib);
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}
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res=(*pCoCreateInstance)(rclsid, pUnkOuter, dwClsContext, riid, ppv);
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if(res)
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OutTraceE("CoCreateInstance: ERROR res=%x\n", res);
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else
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OutTraceD("CoCreateInstance: ppv=%x->%x\n", *ppv, *(DWORD *)*ppv);
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if (*(DWORD *)&rclsid==*(DWORD *)&CLSID_DirectDraw){
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LPDIRECTDRAW lpOldDDraw;
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OutTraceD("CoCreateInstance: CLSID_DirectDraw object\n");
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switch (*(DWORD *)&riid){
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case 0x6C14DB80:
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OutTraceD("DirectDrawCreate: IID_DirectDraw RIID\n");
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res=extDirectDrawCreate(NULL, (LPDIRECTDRAW *)&ppv, 0);
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if(res)OutTraceD("DirectDrawCreate: res=%x(%s)\n", res, ExplainDDError(res));
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break;
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case 0xB3A6F3E0:
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OutTraceD("DirectDrawCreate: IID_DirectDraw2 RIID\n");
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res=extDirectDrawCreate(NULL, &lpOldDDraw, 0);
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if(res)OutTraceD("DirectDrawCreate: res=%x(%s)\n", res, ExplainDDError(res));
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res=lpOldDDraw->QueryInterface(IID_IDirectDraw2, (LPVOID *)&ppv);
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if(res)OutTraceD("QueryInterface: res=%x(%s)\n", res, ExplainDDError(res));
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lpOldDDraw->Release();
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break;
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case 0x9c59509a:
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OutTraceD("DirectDrawCreate: IID_DirectDraw4 RIID\n");
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res=extDirectDrawCreate(NULL, &lpOldDDraw, 0);
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if(res)OutTraceD("DirectDrawCreate: res=%x(%s)\n", res, ExplainDDError(res));
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res=lpOldDDraw->QueryInterface(IID_IDirectDraw4, (LPVOID *)&ppv);
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if(res)OutTraceD("QueryInterface: res=%x(%s)\n", res, ExplainDDError(res));
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lpOldDDraw->Release();
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case 0x15e65ec0:
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OutTraceD("CoCreateInstance: IID_DirectDraw7 RIID\n");
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res=extDirectDrawCreateEx(NULL, (LPDIRECTDRAW *)&ppv, IID_IDirectDraw7, 0);
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if(res)OutTraceD("DirectDrawCreateEx: res=%x(%s)\n", res, ExplainDDError(res));
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break;
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case 0xe436ebb3:
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break;
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}
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}
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else
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if (*(DWORD *)&rclsid==*(DWORD *)&CLSID_DxDiagProvider) res=HookDxDiag(riid, ppv);
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return res;
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}
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