LunaHook-mirror/LunaHook/engine32/Triangle.cpp
2024-05-13 18:28:08 +08:00

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#include"Triangle.h"
bool InsertTriangleHook()
{
for (DWORD i = processStartAddress; i < processStopAddress - 4; i++){
DWORD j=0;
if ((*(DWORD *)i & 0xffffff) == 0x75403c){
j=i + 4 + *(BYTE*)(i+3);
}
else if((*(DWORD *)i & 0xffffffff) == 0x850f403c)
//长跳转
//エグゼクタースクリプト
j = i + 4 + *(int*)(i+4);
if(j){
for (DWORD k = j + 0x20; j < k; j++)
if (*(BYTE*)j == 0xe8) {
DWORD t = j + 5 + *(DWORD *)(j + 1);
if (t > processStartAddress && t < processStopAddress) {
HookParam hp;
hp.address = t;
hp.offset=get_stack(1);
hp.type = USING_STRING;
ConsoleOutput("INSERT Triangle");
return NewHook(hp, "Triangle");
}
}
}
}
//ConsoleOutput("Old/Unknown Triangle engine.");
ConsoleOutput("Triangle: failed");
return false;
}
bool Triangle::attach_function() {
trigger_fun=[](LPVOID addr, hook_stack* stack){
//Triangle やっぱり妹がすきっ!
if((DWORD)addr!=(DWORD)TextOutA)return false;
if(auto addr=MemDbg::findEnclosingAlignedFunction(stack->retaddr))
{
HookParam hp;
hp.address=addr;
hp.offset=get_stack(4);
hp.split=get_stack(1);
hp.type=USING_STRING|USING_SPLIT;
hp.hook_font=F_TextOutA;
hp.filter_fun=[](void* data, size_t* len, HookParam* hp){
//▼
auto s=std::string((char*)data,*len);
return s.find("\x81\xa5")==s.npos;
};
NewHook(hp,"Triangle2_TextOutA");
}
return true;
};
return InsertTriangleHook();
}
bool InsertTrianglePixHook()
{
/*
* Sample games:
* https://vndb.org/v38070
* https://vndb.org/v42090
* https://vndb.org/v41025
*/
const BYTE bytes[] = {
0x50, // push eax << hook here
0xE8, XX4, // call FinalIgnition.exe+4DE10
0x8B, 0x83, XX4, // mov eax,[ebx+0000DCA0]
0x8D, 0x8D, XX4, // lea ecx,[ebp-0000022C]
0x83, 0x7D, 0x44, 0x10, // cmp dword ptr [ebp+44],10
0xFF, 0x75, 0x40 // push [ebp+40]
};
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;
hp.offset=get_reg(regs::eax);
hp.index = 0;
hp.type = CODEC_UTF8 | USING_STRING | NO_CONTEXT;
hp.filter_fun = NewLineCharToSpaceFilterA;
return NewHook(hp, "TrianglePix");
}
bool Triangle2_attach_function(){
const BYTE bytes[] = {
0x0f,0x57,XX,
0x68,0x0F,0x27,0x00,0x00,
0x0f,0x57,XX
};
auto addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
ConsoleOutput("%p", addr);
if (addr == 0)return false;
addr = MemDbg::findEnclosingAlignedFunction(addr);
ConsoleOutput("%p", addr);
if (addr == 0)return false;
HookParam hp;
hp.address = addr;
hp.offset=get_stack(5);
hp.type = USING_STRING|CODEC_UTF8|NO_CONTEXT;
return NewHook(hp, "triangle");
}
bool Triangle2::attach_function(){
return Triangle2_attach_function()||InsertTrianglePixHook();
}
bool TriangleM1(){
auto _=L"${FirstName}";
ULONG addr = MemDbg::findBytes(_, sizeof(_), processStartAddress, processStopAddress);
if (!addr) return false;
BYTE pushoffset[]={0x68,XX4};
*(DWORD*)(pushoffset+1)=addr;
addr = MemDbg::findBytes(pushoffset, sizeof(pushoffset), processStartAddress, processStopAddress);
if (!addr) return false;
addr = MemDbg::findEnclosingAlignedFunction(addr);
if (addr == 0)return false;
HookParam hp;
hp.address = addr;
hp.offset=get_stack(2);
hp.type = USING_STRING|CODEC_UTF16;
return NewHook(hp, "TriangleM");
}
bool TriangleM2(){
BYTE _[]={0x33,0xff,0x66,0x39,0x3b,0x74};
ULONG addr = MemDbg::findBytes(_, sizeof(_), processStartAddress, processStopAddress);
if (!addr) return false;
HookParam hp;
hp.address = addr;
hp.offset=get_reg(regs::ebx);
hp.type = USING_STRING|CODEC_UTF16|NO_CONTEXT;
return NewHook(hp, "TriangleM");
}
bool TriangleM::attach_function(){
//蛇香のライラ Allure of MUSK 第一夜 ヨーロピアン・ナイト 体験版
auto _1=TriangleM1();
auto _2=TriangleM2();
return _1||_2;
}