Umineko Project ONScripterRUHook engine hook

This commit is contained in:
Blu3train 2023-08-29 23:11:56 +02:00
parent f3fbe04409
commit 3eb0ed8788
3 changed files with 153 additions and 0 deletions

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@ -12930,6 +12930,152 @@ bool InsertPONScripterHook()
return false; return false;
} }
void ONScripterruCommonFilter(char *text, size_t *len)
{
StringCharReplacer(text, len, "{n}", 3, ' ');
if (cpp_strnstr(text, "{c:", *len)) {
StringFilterBetween(text, len, "{c:", 3, ":", 1);
}
if (cpp_strnstr(text, "{e:", *len)) {
StringFilterBetween(text, len, "{e:", 3, ":", 1);
}
if (cpp_strnstr(text, "{f:", *len)) {
StringFilterBetween(text, len, "{f:", 3, ":", 1);
}
if (cpp_strnstr(text, "{i:", *len)) {
StringFilter(text, len, "{i:", 3);
}
if (cpp_strnstr(text, "{p:", *len)) {
StringFilterBetween(text, len, "{p:", 3, "}", 1);
}
CharFilter(text, len, '}');
if (cpp_strnstr(text, "[", *len)) {
StringFilterBetween(text, len, "[", 1, "]", 1);
}
}
bool ONScripterru1Filter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
if ( *len == 0 || text[0] == ':' || text[1] == '{')
return false;
ONScripterruCommonFilter(text, len);
CharFilter(text, len, '`');
return true;
}
bool InsertONScripterruHook1()
{
//by Blu3train
/*
* Sample games:
* Umineko Project (all text displayed)
*/
const BYTE bytes[] = {
0x90, // nop
0x55, // push ebp << hook here
0x57, // push edi
0x31, 0xED, // xor ebp,ebp
0x56, // push esi
0x53, // push ebx
0x83, 0xEC, 0x3C // sub esp,3C
};
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
if (!addr) {
ConsoleOutput("vnreng:ONScripter-RU 1: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr + 1;
hp.offset = pusha_eax_off -4;
hp.type = USING_STRING | USING_UTF8;
hp.filter_fun = ONScripterru1Filter;
ConsoleOutput("vnreng: INSERT ONScripter-RU 1");
NewHook(hp, "ONScripter-RU1");
return true;
}
void StringBetween(char *str, size_t *size, const char *fr, size_t frlen, const char *to, size_t tolen)
{
size_t len = *size,
curlen;
char *start = cpp_strnstr(str, fr, len);
if (!*start)
return;
//start += frlen;
char *end = cpp_strnstr((start += frlen), to, len - (start - str));
if (!*end)
return;
::memmove(str, start, end - start);
*size = end - start;
//str[*size] = '\0';
}
bool ONScripterru2Filter(LPVOID data, DWORD *size, HookParam *, BYTE)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
StringBetween(text, len, "`", 1, "`", 1);
ONScripterruCommonFilter(text, len);
return true;
}
bool InsertONScripterruHook2()
{
//by Blu3train
/*
* Sample games:
* Umineko Project (partial text displayed)
*/
const BYTE bytes[] = {
0x0F, 0xB6, 0x04, 0x18, // movzx eax,byte ptr [eax+ebx] << hook here
0x89, 0x74, 0x24, 0x04, // mov [esp+04],esi
0x43, // inc ebx
0x89, 0x44, 0x24, 0x08 // mov [esp+08],eax
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("vnreng:ONScripter-RU 2: pattern not found");
return false;
}
HookParam hp = {};
hp.address = addr;
hp.offset = pusha_eax_off -4;
hp.split = -0x1C -4;
hp.type = USING_STRING | USING_UTF8 | USING_SPLIT | KNOWN_UNSTABLE;
//hp.type = USING_STRING | USING_UTF8 | USING_SPLIT;
hp.filter_fun = ONScripterru2Filter;
ConsoleOutput("vnreng: INSERT ONScripter-RU 2");
NewHook(hp, "ONScripter-RU2");
return true;
}
bool InsertONScripterruHooks()
{
bool ok = InsertONScripterruHook1();
return InsertONScripterruHook2() || ok;
}
/** jichi 7/6/2014 NeXAS /** jichi 7/6/2014 NeXAS
* Sample game: BALDRSKYZERO EXTREME * Sample game: BALDRSKYZERO EXTREME
* *

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@ -156,6 +156,7 @@ bool InsertWillPlusHook(); // WillPlus: Rio.arc
bool InsertWolfHook(); // Wolf: Data.wolf bool InsertWolfHook(); // Wolf: Data.wolf
bool InsertYukaSystem2Hook(); // YukaSystem2: *.ykc bool InsertYukaSystem2Hook(); // YukaSystem2: *.ykc
bool InsertYurisHook(); // YU-RIS: *.ypf bool InsertYurisHook(); // YU-RIS: *.ypf
bool InsertONScripterruHooks(); // ONScripter-RU: resource string
void InsertBrunsHook(); // Bruns: bruns.exe void InsertBrunsHook(); // Bruns: bruns.exe
void InsertIronGameSystemHook();// IroneGameSystem: igs_sample.exe void InsertIronGameSystemHook();// IroneGameSystem: igs_sample.exe

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@ -80,6 +80,12 @@ bool DeterminePCEngine()
return true; return true;
} }
if (Util::SearchResourceString(L"ONScripter-RU") || Util::SearchResourceString(L"onscripter-ru.exe"))
{
InsertONScripterruHooks();
return true;
}
// PC games // PC games
PcHooks::hookGDIFunctions(); PcHooks::hookGDIFunctions();
PcHooks::hookGDIPlusFunctions(); PcHooks::hookGDIPlusFunctions();