mirror of
https://github.com/HIllya51/LunaHook.git
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46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
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#include"GameMaker.h"
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bool GameMakerFilter(LPVOID data, size_t* size, HookParam*)
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{
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CharFilter(reinterpret_cast<LPSTR>(data), reinterpret_cast<size_t*>(size), '#');
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return true;
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}
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bool InsertGameMakerHook()
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{
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/*
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* Sample games:
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* VA-11 Hall A
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*/
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const BYTE bytes[] = {
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0x85, 0xF6, // test esi,esi
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0x74, XX, // je "VA-11 Hall A.exe"+D5014
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0x85, 0xC0, // test eax,eax
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0x74, XX, // je "VA-11 Hall A.exe"+D5014
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0x50, // push eax
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0x56 // push esi << hook here
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};
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enum { addr_offset = sizeof(bytes) - 1 };
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ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
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if (!addr) {
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ConsoleOutput("GameMaker: pattern not found");
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return false;
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}
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HookParam hp;
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hp.address = addr + addr_offset;
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hp.offset=get_reg(regs::eax);
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hp.type = USING_STRING | NO_CONTEXT;
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hp.filter_fun = GameMakerFilter;
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ConsoleOutput(" INSERT GameMaker");
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ConsoleOutput("GameMaker: use regex filter .+\\]");
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return NewHook(hp, "GameMaker");
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}
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bool GameMaker::attach_function() {
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return InsertGameMakerHook();
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}
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