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VRAM fix, DEP compat fix

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Silent 2015-02-21 16:44:17 +01:00
parent 3fd04e395a
commit a82447b1aa
1 changed files with 31 additions and 24 deletions
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55
ResSock/dllmain.cpp
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@ -20,15 +20,16 @@ extern "C" HRESULT WINAPI DirectDrawCreateEx(GUID FAR *lpGUID, LPVOID *lplpDD, R
pDirectDrawCreateEx = (HRESULT(WINAPI*)(GUID FAR*, LPVOID*, REFIID, IUnknown FAR*))GetProcAddress(hLib, "DirectDrawCreateEx");
static char aNoDesktopMode[64];
RECT desktop;
GetWindowRect(GetDesktopWindow(), &desktop);
sprintf(aNoDesktopMode, "Cannot find %dx%dx32 video mode", desktop.right, desktop.bottom);
using namespace MemoryVP;
if (*(DWORD*)0x5C1E70 == 0x53E58955)
{
// III 1.0
RECT desktop;
GetWindowRect(GetDesktopWindow(), &desktop);
sprintf(aNoDesktopMode, "Cannot find %dx%dx32 video mode", desktop.right, desktop.bottom);
Patch<DWORD>(0x581E5E, desktop.right);
Patch<DWORD>(0x581E68, desktop.bottom);
Patch<BYTE>(0x581E72, 32);
@ -40,10 +41,6 @@ extern "C" HRESULT WINAPI DirectDrawCreateEx(GUID FAR *lpGUID, LPVOID *lplpDD, R
else if (*(DWORD*)0x5C2130 == 0x53E58955)
{
// III 1.1
RECT desktop;
GetWindowRect(GetDesktopWindow(), &desktop);
sprintf(aNoDesktopMode, "Cannot find %dx%dx32 video mode", desktop.right, desktop.bottom);
Patch<DWORD>(0x58219E, desktop.right);
Patch<DWORD>(0x5821A8, desktop.bottom);
Patch<BYTE>(0x5821B2, 32);
@ -55,10 +52,6 @@ extern "C" HRESULT WINAPI DirectDrawCreateEx(GUID FAR *lpGUID, LPVOID *lplpDD, R
else if (*(DWORD*)0x5C6FD0 == 0x53E58955)
{
// III Steam
RECT desktop;
GetWindowRect(GetDesktopWindow(), &desktop);
sprintf(aNoDesktopMode, "Cannot find %dx%dx32 video mode", desktop.right, desktop.bottom);
Patch<DWORD>(0x58208E, desktop.right);
Patch<DWORD>(0x582098, desktop.bottom);
Patch<BYTE>(0x5820A2, 32);
@ -67,43 +60,57 @@ extern "C" HRESULT WINAPI DirectDrawCreateEx(GUID FAR *lpGUID, LPVOID *lplpDD, R
// No 12mb vram check
Patch<BYTE>(0x581653, 0xEB);
}
else if (*(DWORD*)0x667BF0 == 0x53E58955)
{
// VC 1.0
RECT desktop;
GetWindowRect(GetDesktopWindow(), &desktop);
sprintf(aNoDesktopMode, "Cannot find %dx%dx32 video mode", desktop.right, desktop.bottom);
Patch<DWORD>(0x600E7E, desktop.right);
Patch<DWORD>(0x600E88, desktop.bottom);
Patch<BYTE>(0x600E92, 32);
Patch<const char*>(0x600EC8, aNoDesktopMode);
// No 12mb vram check
Patch<BYTE>(0x601E26, 0xEB);
}
else if (*(DWORD*)0x667C40 == 0x53E58955)
{
// VC 1.1
RECT desktop;
GetWindowRect(GetDesktopWindow(), &desktop);
sprintf(aNoDesktopMode, "Cannot find %dx%dx32 video mode", desktop.right, desktop.bottom);
Patch<DWORD>(0x600E9E, desktop.right);
Patch<DWORD>(0x600EA8, desktop.bottom);
Patch<BYTE>(0x600EB2, 32);
Patch<const char*>(0x600EE8, aNoDesktopMode);
// No 12mb vram check
Patch<BYTE>(0x601E56, 0xEB);
}
else if (*(DWORD*)0x666BA0 == 0x53E58955)
{
// VC Steam
RECT desktop;
GetWindowRect(GetDesktopWindow(), &desktop);
sprintf(aNoDesktopMode, "Cannot find %dx%dx32 video mode", desktop.right, desktop.bottom);
Patch<DWORD>(0x600ADE, desktop.right);
Patch<DWORD>(0x600AE8, desktop.bottom);
Patch<BYTE>(0x600AF2, 32);
Patch<const char*>(0x600B28, aNoDesktopMode);
// No 12mb vram check
Patch<BYTE>(0x601A96, 0xEB);
}
// Give _rwcseg proper access rights
HMODULE hModule = GetModuleHandle(nullptr);
IMAGE_NT_HEADERS* ntHeader = (IMAGE_NT_HEADERS*)((ptrdiff_t)hModule + ((IMAGE_DOS_HEADER*)hModule)->e_lfanew);
WORD NumberOfSections = ntHeader->FileHeader.NumberOfSections;
IMAGE_SECTION_HEADER* pSection = IMAGE_FIRST_SECTION(ntHeader);
for ( WORD i = 0; i < NumberOfSections; i++ )
{
if ( !strncmp((char*)pSection->Name, "_rwcseg", 8) )
{
DWORD dwProtect;
VirtualProtect((LPVOID)((ptrdiff_t)hModule + pSection->VirtualAddress), pSection->Misc.VirtualSize, PAGE_EXECUTE_READ, &dwProtect);
break;
}
pSection++;
}
bLoaded = true;
}