System-NNN engine hooks

This commit is contained in:
Blu3train 2023-04-25 01:07:20 +02:00
parent f3fbe04409
commit 681f5fba40
3 changed files with 129 additions and 0 deletions

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@ -21728,6 +21728,130 @@ bool InsertNamcoPS2Hook()
}
#endif // 0
bool SystemNNNFilter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
StringCharReplacer(text, len, "\r\n", 2, ' ');
StringCharReplacer(text, len, "\x00FC\x00FE", 2, '\''); // "\x00FC\x00FE"->italic
StringReplacer(text, len, "\x0081\x000E", 2, "\x0084\x009F", 2); // "\x0081\x000E"->"─"
// Remove ruby: Shift-JIS "\x0023\x0081\x006D"->"#" "\x0081\x006E"->""
if (cpp_strnstr(text, "\x0023\x0081\x006D", *len)) {
StringFilterBetween(text, len, "\x0023\x0081\x006D", 3, "\x0081\x006E", 2);
}
return true;
}
bool InsertSystemNNN1Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v33721
* https://vndb.org/v29300
* https://vndb.org/v26721
*/
const BYTE bytes[] = {
0x8B, 0xDF, // mov ebx,edi
0x8D, 0x4B, 0x01, // lea ecx,[ebx+01] << hook here
0x0F, 0x1F, 0x40, 0x00, // nop dword ptr [eax+00]
0x8A, 0x03, // mov al,[ebx]
0x43, // inc ebx
0x84, 0xC0, // test al,al
0x75, 0xF9, // jne exe+69320
0x2B, 0xD9 // sub ebx,ecx
};
//enum { addr_offset = sizeof(bytes) - 2 };
enum { addr_offset = 2 };
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("vnreng:System-NNN1: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr + addr_offset;
hp.offset = pusha_ebx_off -4;
hp.type = USING_STRING | NO_CONTEXT;
hp.filter_fun = SystemNNNFilter;
ConsoleOutput("vnreng: INSERT System-NNN1");
NewHook(hp, "System-NNN1");
return true;
}
bool SystemNNNqFilter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
text[*len] = '\n';
(*len)++;
return true;
}
bool InsertSystemNNN2Hook()
{
//by Blu3train
/*
* Sample games:
* https://vndb.org/v933
*/
const BYTE bytes[] = {
0x33, 0xC0, // xor eax,eax << hook here
0xF2, 0xAE, // repne scasb
0xF7, 0xD1, // not ecx
0x49, // dec ecx
0x89, 0x74, 0x24, 0x0C, // mov [esp+0C],esi
0x3B, 0xCE, // cmp ecx,esi
0x89, 0x4C, 0x24, 0x10, // mov [esp+10],ecx
0x0F, 0x8E, XX4 // jng gss.exe+1A0DC
};
enum { addr_offset = 0};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("vnreng:System-NNN2: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr + addr_offset;
hp.offset = pusha_edi_off -4;
hp.type = USING_STRING | NO_CONTEXT;
hp.filter_fun = SystemNNNFilter;
ConsoleOutput("vnreng: INSERT System-NNN2");
NewHook(hp, "System-NNN2");
const BYTE bytes2[] = {
0xC1, 0xE9, 0x02, // shr ecx,02
0xF3, 0xA5, // repe movsd
0x8B, 0xCB, // mov ecx,ebx
0x8B, 0x54, 0x24, 0x1C, // mov edx,[esp+1C]
0x83, 0xE1, 0x03, // and ecx,03
0x03, 0xC5, // add eax,ebp
0x33, 0xDB // xor ebx,ebx
};
range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
addr = MemDbg::findBytes(bytes2, sizeof(bytes2), processStartAddress, processStartAddress + range);
if (addr) {
HookParam hp = {};
hp.address = addr;
hp.offset = pusha_esi_off -4;
hp.type = USING_STRING;
hp.filter_fun = SystemNNNqFilter;
ConsoleOutput("vnreng: INSERT System-NNN2q");
NewHook(hp, "System-NNN2q");
}
return true;
}
bool InsertSystemNNNHooks()
{ return InsertSystemNNN1Hook() || InsertSystemNNN2Hook();}
} // namespace Engine
// EOF

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@ -165,6 +165,7 @@ void InsertRealliveHook(); // RealLive: RealLive*.exe
void InsertStuffScriptHook(); // Stuff: *.mpk
bool InsertTinkerBellHook(); // TinkerBell: arc00.dat
bool InsertWaffleHook(); // WAFFLE: cg.pak
bool InsertSystemNNNHooks(); // System-NNN: nya/configse.xtx
// CIRCUS: avdata/
bool InsertCircusHook1();

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@ -370,6 +370,10 @@ bool DetermineEngineByFile3()
bool DetermineEngineByFile4()
{
if (Util::CheckFile(L"nya/configse.xtx")) {
if (InsertSystemNNNHooks())
return true;
}
if (Util::CheckFile(L"EAGLS.dll")) { // jichi 3/24/2014: E.A.G.L.S
//ConsoleOutput("vnreng: IGNORE EAGLS");
InsertEaglsHook();