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First fixes for that butchered Steam re-release

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This commit is contained in:
Silent 2014-11-08 00:16:03 +01:00
parent 92952941f3
commit 260d6a2339
2 changed files with 83 additions and 4 deletions
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48
SAFix/SilentPatchSA.cpp
View file

@ -1201,7 +1201,7 @@ void __declspec(naked) TrailerDoubleRWheelsFix2_Steam()
}
}
static void* LoadFLAC_JumpBack = AddressByVersion<void*>(0x4F3743, *(BYTE*)0x4F3A50 == 0x6A ? 0x4F3BA3 : 0x5B6B81, 0x4FFC3F);
static void* LoadFLAC_JumpBack = AddressByVersion<void*>(0x4F3743, *GetVer() == 1 ? (*(BYTE*)0x4F3A50 == 0x6A ? 0x4F3BA3 : 0x5B6B81) : 0, 0x4FFC3F);
void __declspec(naked) LoadFLAC()
{
_asm
@ -2938,6 +2938,47 @@ void Patch_SA_Steam()
InjectHook(0x5EDFD9, 0x5EE0FA, PATCH_JUMP);
}
void Patch_SA_NewSteam()
{
using namespace MemoryVP::DynBase;
// No framedelay
InjectHook(0x54ECC6, GetModule() + 0x14ED0C, PATCH_JUMP);
Patch<BYTE>(0x54ED45, 0x4);
Nop(0x54ED47, 1);
// Unlock 1.0/1.01 saves loading
Patch<WORD>(0x5ED3E9, 0xE990);
// Old .set files working again
static const DWORD dwSetVersion = 6;
Patch<const void*>(0x59058A, &dwSetVersion);
Patch<BYTE>(0x59086D, 6);
Patch<BYTE>(0x53EC4A, 6);
// Unlocked widescreen resolutions
Patch<WORD>(0x779BAD, 0x607D);
// TODO: Do the rest
// Disable re-initialization of DirectInput mouse device by the game
Patch<BYTE>(0x58A891, 0xEB);
Patch<BYTE>(0x58AA77, 0xEB);
Patch<BYTE>(0x58AB59, 0xEB);
// Make sure DirectInput mouse device is set non-exclusive (may not be needed?)
Nop(0x77AB3F, 1);
Patch<WORD>(0x77AB40, 0x01B0);
//Nop(0x77AB3B, 3);
//Nop(0x77AB3F, 3);
// Proper aspect ratios
static const float f43 = 4.0f/3.0f, f54 = 5.0f/4.0f, f169 = 16.0f/9.0f;
Patch<const void*>(0x73424B, &f169);
Patch<const void*>(0x734267, &f54);
Patch<const void*>(0x73427A, &f43);
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
@ -2947,9 +2988,12 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
hDLLModule = hinstDLL;
if (*(DWORD*)0x82457C == 0x94BF || *(DWORD*)0x8245BC == 0x94BF) Patch_SA_10();
if ( *(DWORD*)(GetModule()+0x458D21) == 0x3539F633) Patch_SA_NewSteam();
else if (*(DWORD*)0x82457C == 0x94BF || *(DWORD*)0x8245BC == 0x94BF) Patch_SA_10();
else if (*(DWORD*)0x8252FC == 0x94BF || *(DWORD*)0x82533C == 0x94BF) Patch_SA_11();
else if (*(DWORD*)0x85EC4A == 0x94BF) Patch_SA_Steam();
else return FALSE;
}
return TRUE;

39
SilentPatch/MemoryMgr.h
View file

@ -35,6 +35,12 @@ inline void* GetDummy()
return &dwDummy;
}
inline ptrdiff_t GetModule()
{
static HMODULE hModule = GetModuleHandle(nullptr);
return (ptrdiff_t)hModule;
}
#if defined SILENTPATCH_III_VER
// This function initially detects III version then chooses the address basing on game version
@ -104,7 +110,13 @@ inline T AddressByVersion(DWORD address10, DWORD address11, DWORD addressSteam)
if ( *bVer == -1 )
{
if ( *(DWORD*)0x82457C == 0x94BF )
if ( *(DWORD*)(GetModule()+0x458D21) == 0x3539F633 )
{
*bVer = 3;
*bEuropean = false;
}
else if ( *(DWORD*)0x82457C == 0x94BF )
{
*bVer = 0;
*bEuropean = false;
@ -156,6 +168,9 @@ inline T AddressByVersion(DWORD address10, DWORD address11, DWORD addressSteam)
return (T)GetDummy();
return (T)addressSteam;
case 3:
// TODO: DO
return (T)GetDummy();
default:
assert(address10);
// Adjust to EU if needed
@ -290,7 +305,6 @@ namespace MemoryVP
template<typename AT>
inline void Nop(AT address, unsigned int nCount)
// TODO: Finish multibyte nops
{
DWORD dwProtect[2];
VirtualProtect((void*)address, nCount, PAGE_EXECUTE_READWRITE, &dwProtect[0]);
@ -329,6 +343,27 @@ namespace MemoryVP
else
VirtualProtect((void*)address, 5, dwProtect[0], &dwProtect[1]);
}
namespace DynBase
{
template<typename T, typename AT>
inline void Patch(AT address, T value)
{
MemoryVP::Patch(GetModule() - 0x400000 + address, value);
}
template<typename AT>
inline void Nop(AT address, unsigned int nCount)
{
MemoryVP::Nop(GetModule() - 0x400000 + address, nCount);
}
template<typename AT, typename HT>
inline void InjectHook(AT address, HT hook, unsigned int nType=PATCH_NOTHING)
{
MemoryVP::InjectHook(GetModule() - 0x400000 + address, hook, nType);
}
};
};
#endif