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Godot Engine ，add hook

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example-game: [NoMeme] PHOENIXES
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DDWSdwqdq 2022-06-09 08:36:16 +08:00 committed by hentaitaku
parent df5b830d17
commit 9f6bb23540
1 changed files with 41 additions and 2 deletions
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39
texthook/engine/match64.cc
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@ -213,11 +213,50 @@ namespace Engine
ConsoleOutput("Textractor: Ren'py failed: failed to find python2X.dll");
return false;
}
int getGodoStringLength(uintptr_t stack, uintptr_t data) {
int len = *(int*)(data - 4);
len--;
int checkLength = len > 0 && len < PIPE_BUFFER_SIZE ? len : 0;
//检查是否为错误的unicode字符
for (size_t i = 0; i < checkLength; i++)
{
if (*(WORD*)(data + i * 2) == 0x0)
return 0;
}
return checkLength * 2;
}
//BY:IOV
bool InsertGodotHook_X64() {
const BYTE bytes[] = { 0x8B,0x40,0xFC,0x83,0xF8,0x01,0x83,0xD0,0xFF,0x41,0x39,0xC6 };
ULONG64 range = min(processStopAddress - processStartAddress, X64_MAX_REL_ADDR);
for (auto addr : Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE, processStartAddress, processStartAddress + range)) {
HookParam myhp = {};
myhp.address = addr;
myhp.type = USING_STRING | USING_UNICODE | NO_CONTEXT; // /HQ 不使用上下文区分 把所有线程的文本都提取
//myhp.padding = 0xc;//[esp+4]+padding
// data_offset
myhp.offset = -0xC-4;//RCX
myhp.length_fun = getGodoStringLength;
char nameForUser[HOOK_NAME_SIZE] = "RichTextLabel_add_text";
NewHook(myhp, nameForUser);
ConsoleOutput("Insert: Godot_add_text_X64 Hook ");
return true;
}
ConsoleOutput("vnreng:Godot_x64: pattern not found");
return false;
}
bool UnsafeDetermineEngineType()
{
if (Util::CheckFile(L"PPSSPP*.exe") && FindPPSSPP()) return true;
if (Util::CheckFile(L"*.pck")) {
return InsertGodotHook_X64();
}
for (const wchar_t* moduleName : { (const wchar_t*)NULL, L"node.dll", L"nw.dll" }) if (InsertV8Hook(GetModuleHandleW(moduleName))) return true;
if (GetModuleHandleW(L"GameAssembly.dll")) // TODO: is there a way to autofind hook?