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#39 hook GetDeviceCaps - fixes graphcial glitches for Megaman X4

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This commit is contained in:
FunkyFr3sh 2020-09-17 05:49:36 +02:00
parent bbd67907c0
commit 4e6ecfe37c
4 changed files with 16 additions and 0 deletions
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3
src/hook.c
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@ -30,6 +30,7 @@ SETWINDOWLONGAPROC real_SetWindowLongA = SetWindowLongA;
ENABLEWINDOWPROC real_EnableWindow = EnableWindow;
CREATEWINDOWEXAPROC real_CreateWindowExA = CreateWindowExA;
DESTROYWINDOWPROC real_DestroyWindow = DestroyWindow;
GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
void Hook_PatchIAT(HMODULE hMod, char *moduleName, char *functionName, PROC newFunction)
@ -164,6 +165,7 @@ void Hook_Init()
Hook_Create("user32.dll", "EnableWindow", (PROC)fake_EnableWindow, (PROC *)&real_EnableWindow);
Hook_Create("user32.dll", "CreateWindowExA", (PROC)fake_CreateWindowExA, (PROC *)&real_CreateWindowExA);
Hook_Create("user32.dll", "DestroyWindow", (PROC)fake_DestroyWindow, (PROC *)&real_DestroyWindow);
Hook_Create("gdi.dll", "GetDeviceCaps ", (PROC)fake_GetDeviceCaps, (PROC*)&real_GetDeviceCaps);
}
}
@ -193,5 +195,6 @@ void Hook_Exit()
Hook_Revert("user32.dll", "EnableWindow", (PROC)fake_EnableWindow, (PROC *)&real_EnableWindow);
Hook_Revert("user32.dll", "CreateWindowExA", (PROC)fake_CreateWindowExA, (PROC *)&real_CreateWindowExA);
Hook_Revert("user32.dll", "DestroyWindow", (PROC)fake_DestroyWindow, (PROC *)&real_DestroyWindow);
Hook_Revert("gdi.dll", "GetDeviceCaps", (PROC)fake_GetDeviceCaps, (PROC*)&real_GetDeviceCaps);
}
}

10
src/mouse.c
View file

@ -422,6 +422,16 @@ BOOL WINAPI fake_EnableWindow(HWND hWnd, BOOL bEnable)
return real_EnableWindow(hWnd, bEnable);
}
int WINAPI fake_GetDeviceCaps(HDC hdc, int index)
{
if (ddraw && ddraw->bpp && index == BITSPIXEL)
{
return ddraw->bpp;
}
return real_GetDeviceCaps(hdc, index);
}
BOOL WINAPI fake_DestroyWindow(HWND hWnd)
{
BOOL result = real_DestroyWindow(hWnd);