Circus engine hooks

This commit is contained in:
Blu3train 2024-01-21 16:56:24 +01:00
parent f3fbe04409
commit 399621fb45
3 changed files with 87 additions and 2 deletions

View File

@ -5673,6 +5673,89 @@ bool InsertCircusHook2() // jichi 10/2/2013: Change return type to bool
return false;
}
bool InsertCircusHook3()
{
//mod by Blu3train
/*
* Sample games:
* https://vndb.org/v20218
*/
const BYTE bytes[] = {
0xCC, // int 3
0x81, 0xEC, XX4, // sub esp,000004E0 << hook here
0xA1, XX4, // mov eax,[DSIF.EXE+AD288]
0x33, 0xC4, // xor eax,esp
0x89, 0x84, 0x24, XX4, // mov [esp+000004DC],eax
0x8B, 0x84, 0x24, XX4, // mov eax,[esp+000004E4]
0x53, // push ebx
0x55, // push ebp
0x56, // push esi
0x8B, 0xB4, 0x24, XX4 // mov esi,[esp+000004F4]
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("vnreng:Circus3: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr + 1;
hp.offset = pusha_esi_off - 4;
hp.split = pusha_ecx_off - 4;
hp.type = USING_STRING | USING_SPLIT;
ConsoleOutput("vnreng: INSERT Circus3");
NewHook(hp, "Circus3");
return true;
}
bool CircusFilter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
//ConsoleOutput("debug:Circus: -%.*s-", *len, text);
if (*len <= 1 || cpp_strnstr(text, "\\", *len) || (text[0] == '&' && text[1] == 'n'))
return false;
CharReplacer(text, len, '\n', ' ');
return true;
}
bool InsertCircusHook4()
{
//mod by Blu3train
/*
* Sample games:
* https://vndb.org/r46909
*/
const BYTE bytes[] = {
0x83, 0xF8, 0xFF, // cmp eax,-01 << hook here
0x0F, 0x84, XX4, // je DST.exe+1BCF0
0x8B, 0x0D, XX4 // mov ecx,[DST.exe+A41F0]
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("vnreng:Circus4: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr;
hp.offset = pusha_edx_off - 4;
hp.split = 4 * 4; //arg4
hp.padding = 0x40;
hp.type = USING_STRING | USING_SPLIT;
hp.filter_fun = CircusFilter;
ConsoleOutput("vnreng: INSERT Circus4");
NewHook(hp, "Circus4");
return true;
}
/********************************************************************************************
ShinaRio hook:
Game folder contains rio.ini.

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@ -169,6 +169,8 @@ bool InsertWaffleHook(); // WAFFLE: cg.pak
// CIRCUS: avdata/
bool InsertCircusHook1();
bool InsertCircusHook2();
bool InsertCircusHook3();
bool InsertCircusHook4();
} // namespace Engine

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@ -181,7 +181,7 @@ bool DetermineEngineByFile1()
return true;
}
if (Util::CheckFile(L"AdvData\\GRP\\NAMES.DAT")) {
InsertCircusHook2();
if (InsertCircusHook2() || InsertCircusHook3() || InsertCircusHook4())
return true;
}
if (Util::CheckFile(L"*.noa") || Util::CheckFile(L"data\\*.noa")) {