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Ren'py 2.x and 3.x engine hook #1210

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Ren'py 2.x and 3.x engine hook #1210

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86 changes: 66 additions & 20 deletions texthook/engine/engine.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -16945,6 +16945,7 @@ bool InsertAdobeFlash10Hook()
*/
bool InsertRenpyHook()
{
bool ok = false;
wchar_t python[] = L"python2X.dll", libpython[] = L"libpython2.X.dll";
for (wchar_t* name : { python, libpython })
{
Expand All @@ -16957,32 +16958,77 @@ bool InsertRenpyHook()
wcscpy_s(spDefault.exportModule, name);
HookParam hp = {};
hp.address = (DWORD)GetProcAddress(module, "PyUnicodeUCS2_Format");
if (!hp.address)
if (hp.address)
{
ConsoleOutput("Textractor: Ren'py failed: failed to find PyUnicodeUCS2_Format");
return false;
}
hp.offset = 4;
hp.index = 0xc;
hp.length_offset = 0;
//hp.split = pusha_ebx_off - 4;
hp.text_fun = [](auto, auto, auto, DWORD* data, DWORD* split, DWORD* count)
hp.offset = 4;
hp.index = 0xc;
hp.length_offset = 0;
//hp.split = pusha_ebx_off - 4;
hp.type = USING_STRING | USING_UNICODE | NO_CONTEXT | DATA_INDIRECT/* | USING_SPLIT*/;
hp.filter_fun = [](LPVOID data, DWORD *size, HookParam *, BYTE)
{
static std::wstring prevText;
auto text = reinterpret_cast<LPWSTR>(data);
auto len = reinterpret_cast<size_t *>(size);

if (cpp_wcsnstr(text, L"%", *len/sizeof(wchar_t)))
return false;
if (cpp_wcsnstr(text, L"{", *len/sizeof(wchar_t))) {
WideStringCharReplacer(text, len, L"{i}", 3, L'\'');
WideStringCharReplacer(text, len, L"{/i}", 4, L'\'');
WideStringFilterBetween(text, len, L"{", 1, L"}", 1);
}
WideStringFilter(text, len, L"^", 2); // remove ^ followed by 1 char
WideCharReplacer(text, len, L'\n', L' ');

if (prevText.length()==*len/sizeof(wchar_t) && prevText.find(text, 0, *len/sizeof(wchar_t))!=std::string::npos) // Check if the string is the same as the previous one
return false;
prevText.assign(text, *len/sizeof(wchar_t));

return true;
};
NewHook(hp, "Ren'py UCS2Format");
ok = true;
}
hp.address = (DWORD)GetProcAddress(module, "PyUnicodeUCS2_Replace");
if (hp.address)
{
*data = *(DWORD*)(*data + 0xc);
*count = wcslen((wchar_t*)*data) * sizeof(wchar_t);
*split = wcschr((wchar_t*)*data, L'%') == nullptr;
};
hp.type = USING_STRING | USING_UNICODE | NO_CONTEXT | DATA_INDIRECT/* | USING_SPLIT*/;
//hp.filter_fun = [](void* str, auto, auto, auto) { return *(wchar_t*)str != L'%'; };
NewHook(hp, "Ren'py");
return true;
hp.offset = 3 * 4; //arg 3;
hp.index = 0xC;
hp.length_offset = 0;
hp.split = 2 * 4; //arg 2;
hp.type = USING_STRING | USING_UNICODE | DATA_INDIRECT | USING_SPLIT;
hp.filter_fun = [](LPVOID data, DWORD *size, HookParam *, BYTE)
{
static std::wstring prevText;
auto text = reinterpret_cast<LPWSTR>(data);
auto len = reinterpret_cast<size_t *>(size);

if (cpp_wcsnstr(text, L"{fast}", *len/sizeof(wchar_t)))
return false;
if (cpp_wcsnstr(text, L"{", *len/sizeof(wchar_t))) {
WideStringCharReplacer(text, len, L"{i}", 3, L'\'');
WideStringCharReplacer(text, len, L"{/i}", 4, L'\'');
WideStringFilterBetween(text, len, L"{", 1, L"}", 1);
}
WideCharReplacer(text, len, L'\n', L' ');

if (prevText.length()==*len/sizeof(wchar_t) && prevText.find(text, 0, *len/sizeof(wchar_t))!=std::string::npos) // Check if the string is the same as the previous one
return false;
prevText.assign(text, *len/sizeof(wchar_t));

return true;
};
NewHook(hp, "Ren'py UCS2Replace");
ok = true;
}
}
}
}
ConsoleOutput("Textractor: Ren'py failed: failed to find python2X.dll");
return false;
if ( !ok )
ConsoleOutput("Textractor: Ren'py failed: failed to find python2X.dll");
return ok;
}

void InsertMonoHook(HMODULE h)
{
static HMODULE mono = h;
Expand Down
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