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Merge remote-tracking branch 'Blu3train/Siglus5EngineHook'

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Chenx221 2024-09-05 11:38:31 +08:00
commit 8a2d8f0d9f
1 changed files with 34 additions and 0 deletions
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34
texthook/engine/engine.cc
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@ -4158,6 +4158,39 @@ bool InsertSiglus1Hook()
return false;
}
bool InsertSiglus5Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v10926
*/
const BYTE bytes[] = {
0x75, 0x10, // SiglusEngine.exe+148A9 - 75 10 jne SiglusEngine.exe+148BB
0x83, 0x7A, 0x14, 0x08, // SiglusEngine.exe+148AB - 83 7A 14 08 cmp dword ptr [edx+14],08
0x72, 0x02, // SiglusEngine.exe+148AF - 72 02 jb SiglusEngine.exe+148B3
0x8B, 0x12, // SiglusEngine.exe+148B1 - 8B 12 mov edx,[edx]
0x66, 0x89, 0x04, 0x72 // SiglusEngine.exe+148B3 - 66 89 04 72 mov [edx+esi*2],ax << hook here
};
enum { addr_offset = sizeof(bytes) - 4 };
ULONG range = max(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("vnreng:Siglus5: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr + addr_offset;
hp.offset = pusha_eax_off - 4;
hp.type = USING_UNICODE;
hp.length_offset = 1;
ConsoleOutput("vnreng: INSERT Siglus5");
NewHook(hp, "SiglusEngine5");
return true;
}
} // unnamed namespace
// jichi 8/17/2013: Insert old first. As the pattern could also be found in the old engine.
@ -4168,6 +4201,7 @@ bool InsertSiglusHook()
bool ok = InsertSiglus2Hook();
ok = InsertSiglus3Hook() || ok;
ok = InsertSiglus4Hook() || ok;
ok = InsertSiglus5Hook() || ok;
return ok;
}