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YU-RIS7 engine for VN v45381

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This commit is contained in:
Blu3train 2024-01-06 00:51:58 +01:00
parent 87472c2ff1
commit bc15609a30
1 changed files with 35 additions and 0 deletions
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35
texthook/engine/engine.cc
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@ -6520,6 +6520,40 @@ bool InsertYuris6Hook()
return true;
}
bool InsertYuris7Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v45381
*/
const BYTE bytes[] = {
0x03, 0xC1, // add eax,ecx
0x99, // cdq
0xE9, XX4 // jmp nekonin_spin.exe+55753 << hook here
};
enum { addr_offset = sizeof(bytes) - 5 };
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr)
return false;
HookParam hp = {};
hp.address = addr + addr_offset;
hp.offset = pusha_eax_off -4;
hp.index = 0;
hp.length_offset = 1; // only 1 character
hp.text_fun = [](DWORD esp_base, HookParam*, BYTE, DWORD*, DWORD*, DWORD* len)
{
*len = (retof(esp_base) == 0) ? 2 : 0;
};
hp.type = BIG_ENDIAN;
ConsoleOutput("vnreng: INSERT YU-RIS7");
NewHook(hp, "YU-RIS7");
return true;
}
//bool InsertYurisHook()
//{ return InsertYuris1Hook() || InsertYuris2Hook() || InsertYuris3Hook(); }
bool InsertYurisHook()
@ -6530,6 +6564,7 @@ bool InsertYurisHook()
ok = InsertYuris4Hook() || ok;
ok = InsertYuris5Hook() || ok;
ok = InsertYuris6Hook() || ok;
ok = InsertYuris7Hook() || ok;
return ok;
}