mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-11-24 22:35:36 +08:00
85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
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#include"Lightvn.h"
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//https://vndb.org/r?f=fwLight_evn-
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void SpecialHookLightvnA(hook_stack*, HookParam*, uintptr_t* data, uintptr_t* split, size_t* len)
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{
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//[Parser::ReadScriptBreak] curline:'"「次は[水縹]<みはなだ>駅、水縹駅――お出口は左側です」'
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//[PARSETOKENS] line:.始発でここまで来ているのは俺くらいなものだろう。
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//(scenario:T) (script:00.txt, lineNo:30)
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//[PARSETOKENS] line:"電車には俺のほかに数人乗っている程度。\c
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//(scenario:F) (script:00.txt, lineNo:29)
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std::string s((char*)*data);
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//std::regex _1("\\[Parser::ReadScriptBreak\\] curline:'[\"\\.]([\\s\\S]*?)'([\\s\\S]*?)");//对于多行显示不全
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//std::regex _2("\\[PARSETOKENS\\] line:([\\s\\S]*?)\\(scenario:([\\s\\S]*?)");
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std::regex _2("\\[PARSETOKENS\\] line:[-\"\\.]+([\\s\\S]*?)\\(scenario:([\\s\\S]*?)");
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std::regex _3("\\[PARSETOKENS\\] line:([\\s\\S]*?)backlogName = '([\\s\\S]*?)'([\\s\\S]*?)");
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std::smatch match; std::string _;
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if (std::regex_match(s, match, _2)) {
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_=std::string(match[1]);
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_ = std::regex_replace(_, std::regex("\\[(.*?)\\]<(.*?)>"), "$1");
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strReplace(_,"\\c","");
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strReplace(_,"\\w","");
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*split=1;
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}
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else if (std::regex_match(s, match, _3)) {
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_=std::string(match[2]);
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*split=2;
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}
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auto _s=new char[_.size()+1];strcpy(_s,_.c_str());
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*data=(uintptr_t)_s;*len=_.size();
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}
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void SpecialHookLightvnW(hook_stack*, HookParam*, uintptr_t* data, uintptr_t* split, size_t* len)
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{
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std::wstring s((wchar_t*)*data);
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std::wregex _2(L"\\[PARSETOKENS\\] line:[-\"\\.]+([\\s\\S]*?)\\(scenario:([\\s\\S]*?)");
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std::wregex _3(L"\\[PARSETOKENS\\] line:([\\s\\S]*?)backlogName = '([\\s\\S]*?)'([\\s\\S]*?)");
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std::wsmatch match; std::wstring _;
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if (std::regex_match(s, match, _2)) {
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_=std::wstring(match[1]);
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_ = std::regex_replace(_, std::wregex(L"\\[(.*?)\\]<(.*?)>"), L"$1");
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strReplace(_,L"\\c",L"");
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strReplace(_,L"\\w",L"");
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*split=1;
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}
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else if (std::regex_match(s, match, _3)) {
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_=std::wstring(match[2]);
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*split=2;
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}
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auto _s=new wchar_t[_.size()+1];wcscpy(_s,_.c_str());
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*data=(uintptr_t)_s;*len=_.size()*2;
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}
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bool InsertLightvnHook()
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{
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wcscpy_s(spDefault.boundaryModule, L"Engine.dll");
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/*// This hooking method also has decent results, but hooking OutputDebugString seems better
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const BYTE bytes[] = { 0x8d, 0x55, 0xfe, 0x52 };
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for (auto addr : Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE_READ, (uintptr_t)GetModuleHandleW(L"Engine.dll")))
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{
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HookParam hp;
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hp.address = MemDbg::findEnclosingAlignedFunction(addr);
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hp.type = CODEC_UTF16 | USING_STRING;
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hp.offset=get_stack(1);
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NewHook(hp, "Light.vn");
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}*/
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VirtualProtect(IsDebuggerPresent, 2, PAGE_EXECUTE_READWRITE, DUMMY);
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*(uint16_t*)IsDebuggerPresent = 0xc340; // asm for inc eax ret
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HookParam hp;
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hp.address = (uintptr_t)OutputDebugStringA;
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hp.type = CODEC_UTF8 | USING_STRING;
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hp.offset=get_stack(1);
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hp.text_fun = SpecialHookLightvnA;
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auto succ=NewHook(hp, "OutputDebugStringA");
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hp.address = (uintptr_t)OutputDebugStringW;
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hp.type = CODEC_UTF16 | USING_STRING;
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hp.text_fun = SpecialHookLightvnW;
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succ|=NewHook(hp, "OutputDebugStringW");
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return succ;
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}
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bool Lightvn::attach_function() {
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return InsertLightvnHook();
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}
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