LunaHook-mirror/LunaHook/engine32/NNNConfig.cpp

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#include"NNNConfig.h"
bool NNNConfig::attach_function() {
//blackcyc
//夢幻廻廊
//復讐の女仕官ハイネ ~肢体に刻まれる淫欲のプログラム~
//https://vndb.org/v24955
const BYTE bytes[] = {
0x68,0xE8,0x03,0x00,0x00,0x6a,0x00,
};
auto addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
if (addr == 0)return false;
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addr = addr + sizeof(bytes);
for (int i = 0; i < 5; i++) {
if (*(BYTE*)addr == 0xe8) {
addr += 1;
break;
}
addr += 1;
}
uintptr_t offset = *(uintptr_t*)(addr);
uintptr_t funcaddr = offset + addr + 4;
const BYTE check[] = { 0x83 ,0xEC ,0x1C };
auto checkoffset = MemDbg::findBytes(check, sizeof(check), funcaddr, funcaddr +0x20);
if (checkoffset == 0)offset = get_stack(5);
else offset = get_stack(6);
HookParam hp;
hp.address = funcaddr;
hp.offset = offset;
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hp.type = USING_STRING;
hp.text_fun=[](hook_stack* stack, HookParam *, uintptr_t *data, uintptr_t *split, size_t *len){
//当前文本可以过滤重复,上一条文本会按照换行符切分不停刷新。
static std::unordered_map<uintptr_t,std::string>everythreadlast;
if(everythreadlast.find(stack->retaddr)==everythreadlast.end())everythreadlast[stack->retaddr]="";
auto thisstr=std::string((char*)*data);
if(everythreadlast[stack->retaddr]==thisstr)return;
everythreadlast[stack->retaddr]=thisstr;
*len=everythreadlast[stack->retaddr].size();
};
return NewHook(hp, "NNNhook");
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}