77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
#include "match.h"
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#include "engine.h"
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#include "main.h"
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#include "native/pchooks.h"
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extern const char* HIJACK_ERROR;
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uintptr_t processStartAddress, processStopAddress;
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namespace Engine
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{
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WCHAR* processName, // cached
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processPath[MAX_PATH]; // cached
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char configFileData[1000];
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bool UnsafeDetermineEngineType();
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// jichi 10/21/2014: Return whether found the game engine
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bool DetermineEngineType()
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{
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// jichi 9/27/2013: disable game engine for debugging use
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bool found = false;
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#ifndef ITH_DISABLE_ENGINE
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__try { found = UnsafeDetermineEngineType(); }
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__except (EXCEPTION_EXECUTE_HANDLER) { ConsoleOutput(HIJACK_ERROR); }
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#endif // ITH_DISABLE_ENGINE
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if (!found) { // jichi 10/2/2013: Only enable it if no game engine is detected
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PcHooks::hookOtherPcFunctions();
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} //else
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// ConsoleOutput("vnreng: found game engine, IGNORE non gui hooks");
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return found;
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}
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DWORD InsertDynamicHook(LPVOID addr, DWORD frame, DWORD stack)
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{
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return trigger_fun ? !trigger_fun(addr, frame, stack) : 0;
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}
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void Hijack()
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{
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static auto _ = []
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{
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GetModuleFileNameW(nullptr, processPath, MAX_PATH);
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processName = wcsrchr(processPath, L'\\') + 1;
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wchar_t configFilename[MAX_PATH + sizeof(L"TextractorConfig.txt")];
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wcsncpy_s(configFilename, processPath, MAX_PATH - 1);
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wcscpy_s(wcsrchr(configFilename, L'\\') + 1, sizeof(L"TextractorConfig.txt"), L"TextractorConfig.txt");
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if (AutoHandle<> configFile = CreateFileW(configFilename, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL))
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{
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if (ReadFile(configFile, configFileData, sizeof(configFileData) - 1, DUMMY, nullptr)) ConsoleOutput("Textractor: game configuration loaded");
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if (strncmp(configFileData, "Engine:", 7) == 0)
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{
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if (loadedConfig = strchr(configFileData, '\n')) *(char*)loadedConfig++ = 0;
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ConsoleOutput("Textractor: Engine = %s", requestedEngine = configFileData + 7);
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}
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else loadedConfig = configFileData;
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}
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processStartAddress = processStopAddress = (uintptr_t)GetModuleHandleW(nullptr);
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MEMORY_BASIC_INFORMATION info;
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do
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{
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VirtualQuery((void*)processStopAddress, &info, sizeof(info));
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processStopAddress = (uintptr_t)info.BaseAddress + info.RegionSize;
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} while (info.Protect > PAGE_NOACCESS);
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processStopAddress -= info.RegionSize;
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spDefault.minAddress = processStartAddress;
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spDefault.maxAddress = processStopAddress;
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ConsoleOutput("Textractor: hijacking process located from 0x%p to 0x%p", processStartAddress, processStopAddress);
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DetermineEngineType();
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return NULL;
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}();
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}
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}
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