LunaHook-mirror/LunaHook/engine32/NNNConfig.cpp

#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;

	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;
	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");
}