mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-26 13:14:13 +08:00
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
#include"DxLib.h"
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bool DxLibFilter(LPVOID data, size_t* size, HookParam*)
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{
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auto text = reinterpret_cast<LPSTR>(data);
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auto len = reinterpret_cast<size_t*>(size);
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StringCharReplacer(text, len, "%N", 2, ' ');
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StringFilter(text, len, "%K", 2);
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StringFilter(text, len, "%P", 2);
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return true;
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}
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bool InsertDxLibHook()
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{
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/*
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* Sample games:
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* https://vndb.org/v7849
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* https://vndb.org/v10231
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*/
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const BYTE bytes[] = {
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0xF7, 0xC6, XX4, // test esi,00000003 << hook here
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0x75, XX, // jne BookofShadows.exe+15FE54
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0x8B, 0xD9, // mov ebx,ecx
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0xC1, 0xE9, 0x02, // shr ecx,02
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0x75, XX, // jne BookofShadows.exe+15FEAE
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0xEB, XX // jmp BookofShadows.exe+15FE76
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};
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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("DxLib: 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;
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hp.offset =get_reg(regs::esi);
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hp.type = USING_STRING;
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hp.filter_fun = DxLibFilter;
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ConsoleOutput(" INSERT DxLib");
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return NewHook(hp, "DxLib");
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}
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bool DxLib::attach_function() {
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return InsertDxLibHook();
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}
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