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WillPlus4 engine hooks

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Blu3train 2023-05-22 20:38:04 +02:00
parent f3fbe04409
commit 5768edce75
1 changed files with 44 additions and 1 deletions
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45
texthook/engine/engine.cc
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@ -9628,12 +9628,55 @@ static bool InsertNewWillPlusHook()
return found;
}
bool WillPlus4Filter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPWSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
wchar_t *pFilter;
WideStringCharReplacer(text, len, L"\\n", 2, L' ');
WideStringCharReplacer(text, len, L"%K", 2, L' ');
WideStringCharReplacer(text, len, L"%P", 2, L' ');
return true;
}
static bool InsertWillPlus4()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/r71235
*/
const BYTE bytes[] = {
0x33, 0xC9, // xor ecx,ecx <-- hook
0x8B, 0xC7, // mov eax,edi
0xC7, 0x84, 0x24, XX4, XX4, // mov [esp+000001E0],00000007
0x89, 0x9C, 0x24, XX4 // mov [esp+000001DC],ebx
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("vnreng:WillPlus4: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr;
hp.offset = pusha_edi_off -4;
hp.type = USING_UNICODE | USING_STRING;
hp.filter_fun = WillPlus4Filter;
ConsoleOutput("vnreng: INSERT WillPlus4");
NewHook(hp, "WillPlus4");
return true;
}
} // unnamed namespace
bool InsertWillPlusHook()
{
bool ok = InsertOldWillPlusHook();
ok = InsertWillPlusWHook() || InsertWillPlusAHook() || InsertNewWillPlusHook() || ok;
ok = InsertWillPlusWHook() || InsertWillPlusAHook() || InsertNewWillPlusHook() || InsertWillPlus4() || ok;
if (!ok) PcHooks::hookOtherPcFunctions();
return ok;
}