mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-30 23:14:12 +08:00
119 lines
4.3 KiB
C++
119 lines
4.3 KiB
C++
#include"python.h"
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#include"embed_util.h"
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#include"main.h"
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#include"stackoffset.hpp"
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#include"types.h"
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#include"defs.h"
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#include <windows.h>
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#include <shlobj.h>
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extern "C" __declspec(dllexport) const wchar_t* internal_renpy_call_host(const wchar_t* text,int split){
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return text;
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}
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namespace{
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typedef enum {PyGILState_LOCKED, PyGILState_UNLOCKED}
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PyGILState_STATE;
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typedef PyGILState_STATE (*PyGILState_Ensure_t)(void);
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typedef void (*PyGILState_Release_t)(PyGILState_STATE);
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typedef int (*PyRun_SimpleString_t)(const char *command);
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PyRun_SimpleString_t PyRun_SimpleString;
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PyGILState_Release_t PyGILState_Release;
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PyGILState_Ensure_t PyGILState_Ensure;
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void LoadPyRun(HMODULE module)
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{
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PyGILState_Ensure=(PyGILState_Ensure_t)GetProcAddress(module, "PyGILState_Ensure");
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PyGILState_Release=(PyGILState_Release_t)GetProcAddress(module, "PyGILState_Release");
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PyRun_SimpleString=(PyRun_SimpleString_t)GetProcAddress(module, "PyRun_SimpleString");
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}
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void PyRunScript(const char* script)
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{
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if(!(PyGILState_Ensure&&PyGILState_Release&&PyRun_SimpleString))return;
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auto state=PyGILState_Ensure();
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PyRun_SimpleString(script);
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PyGILState_Release(state);
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}
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void hook_internal_renpy_call_host(){
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HookParam hp_internal;
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hp_internal.address=(uintptr_t)internal_renpy_call_host;
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#ifndef _WIN64
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hp_internal.offset=get_stack(1);
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hp_internal.split=get_stack(2);
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#else
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hp_internal.offset=get_reg(regs::rcx);
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hp_internal.split=get_reg(regs::rdx);
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#endif
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hp_internal.type=USING_SPLIT|USING_STRING|CODEC_UTF16|EMBED_ABLE|EMBED_BEFORE_SIMPLE|EMBED_AFTER_NEW;
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NewHook(hp_internal, "internal_renpy_call_host");
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PyRunScript(LoadResData(L"renpy_hook_text",L"PYSOURCE").c_str());
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}
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typedef BOOL(WINAPI* PGFRI)(LPCWSTR, LPDWORD, LPVOID, DWORD);
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#define QFR_LOGFONT (2)
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#define LOADFONTTHREADNUM 4
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std::unordered_map<std::wstring, std::wstring> loadfontfiles() {
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PWSTR localAppDataPath;
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HRESULT result = SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &localAppDataPath);
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std::unordered_map<std::wstring, std::wstring> fnts;
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std::vector< std::wstring>collectfile;
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for (auto fontdir : { std::wstring(LR"(C:\Windows\Fonts)"),std::wstring(localAppDataPath) + LR"(\Microsoft\Windows\Fonts)" }) {
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for (auto entry : std::filesystem::directory_iterator(fontdir)) {
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collectfile.emplace_back(entry.path());
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}
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}
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std::vector<std::thread>ts;
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std::vector<decltype(fnts)> fntss(LOADFONTTHREADNUM);
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auto singletask = [&](int i) {
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HINSTANCE hGdi32 = GetModuleHandleA("gdi32.dll");
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if (hGdi32 == 0)return;
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PGFRI GetFontResourceInfo = (PGFRI)GetProcAddress(hGdi32, "GetFontResourceInfoW");
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for (auto j = i; j < collectfile.size(); j += LOADFONTTHREADNUM) {
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auto fontfile = collectfile[j];
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DWORD dwFontsLoaded = AddFontResourceExW(fontfile.c_str(), FR_PRIVATE, 0);
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if (dwFontsLoaded == 0) {
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continue;
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}
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auto lpLogfonts = std::make_unique<LOGFONTW[]>(dwFontsLoaded);
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DWORD cbBuffer = dwFontsLoaded * sizeof(LOGFONTW);
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auto succ=GetFontResourceInfo(fontfile.c_str(), &cbBuffer, lpLogfonts.get(), QFR_LOGFONT);
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RemoveFontResourceExW(fontfile.c_str(), FR_PRIVATE, 0);
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if (!succ)continue;
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for (int k = 0; k < dwFontsLoaded; k++)
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fntss[i].insert(std::make_pair(lpLogfonts[k].lfFaceName, fontfile));
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}
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};
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for (int i = 0; i < LOADFONTTHREADNUM; i++) {
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ts.emplace_back(std::thread(singletask,i));
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}
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for (int i = 0; i < LOADFONTTHREADNUM; i++)
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ts[i].join();
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for (int i = 0; i < LOADFONTTHREADNUM; i++) {
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for (auto p : fntss[i])
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fnts.insert(std::move(p));
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}
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return fnts;
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}
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}
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extern "C" __declspec(dllexport) const wchar_t* internal_renpy_get_font(){
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if(wcslen(embedsharedmem->fontFamily)==0)return NULL;
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static auto fontname2fontfile=std::move(loadfontfiles());
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if(fontname2fontfile.find(embedsharedmem->fontFamily)==fontname2fontfile.end())return NULL;
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else return fontname2fontfile.at(embedsharedmem->fontFamily).c_str();
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}
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void hookrenpy(HMODULE module){
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LoadPyRun(module);
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patch_fun=[](){
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PyRunScript(LoadResData(L"renpy_hook_font",L"PYSOURCE").c_str());
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};
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hook_internal_renpy_call_host();
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} |