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500 lines
14 KiB
C++
500 lines
14 KiB
C++
/*
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Copyright 2016 Peter Repukat - FlatspotSoftware
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "SteamTargetRenderer.h"
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std::atomic<bool> SteamTargetRenderer::overlayOpen = false;
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HHOOK SteamTargetRenderer::hook = nullptr;
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std::atomic<bool> SteamTargetRenderer::bHookSteam = false;
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SteamTargetRenderer::SteamTargetRenderer(int& argc, char** argv) : QApplication(argc, argv)
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{
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getSteamOverlay();
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loadLogo();
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SetConsoleCtrlHandler(reinterpret_cast<PHANDLER_ROUTINE>(ConsoleCtrlCallback), true);
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QSettings settings(".\\TargetConfig.ini", QSettings::IniFormat);
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settings.beginGroup("BaseConf");
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const QStringList childKeys = settings.childKeys();
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for (auto &childkey : childKeys)
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{
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if (childkey == "bDrawDebugEdges")
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{
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bDrawDebugEdges = settings.value(childkey).toBool();
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} else if (childkey == "bEnableOverlay") {
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bDrawOverlay = settings.value(childkey).toBool();
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} else if (childkey == "bEnableControllers") {
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bEnableControllers = settings.value(childkey).toBool();
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}else if (childkey == "bHookSteam") {
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bHookSteam = settings.value(childkey).toBool();
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}
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else if (childkey == "bUseDesktopConfig") {
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bUseDesktopConfig = settings.value(childkey).toBool();
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}
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}
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settings.endGroup();
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#ifndef NDEBUG
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bDrawDebugEdges = true;
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#endif // NDEBUG
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sfCshape = sf::CircleShape(100.f);
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sfCshape.setFillColor(sf::Color(128, 128, 128, 128));
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sfCshape.setOrigin(sf::Vector2f(100, 100));
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sf::VideoMode mode = sf::VideoMode::getDesktopMode();
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sfWindow.create(sf::VideoMode(mode.width-16, mode.height-32), "GloSC_OverlayWindow"); //Window is too large ; always 16 and 32 pixels? - sf::Style::None breaks transparency!
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sfWindow.setFramerateLimit(iRefreshRate);
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sfWindow.setPosition(sf::Vector2i(0, 0));
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makeSfWindowTransparent(sfWindow);
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sfWindow.setActive(false);
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consoleHwnd = GetConsoleWindow(); //We need a console for a dirty hack to make sure we stay in game bindings
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//QT Windows cause trouble with the overlay, so we cannot use them
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//ShowWindow(consoleHwnd, SW_HIDE);
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if (bEnableControllers)
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controllerThread.run();
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QTimer::singleShot(2000, this, &SteamTargetRenderer::launchApp); // lets steam do its thing
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if (hmodGameOverlayRenderer != nullptr)
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{
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//Hook MessageQueue to detect if overlay gets opened / closed
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//Steam Posts a Message with 0x14FA / 0x14F7 when the overlay gets opened / closed
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hook = SetWindowsHookEx(WH_GETMESSAGE, HookCallback, nullptr, GetCurrentThreadId());
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}
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if (bUseDesktopConfig)
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{
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bHookSteam = false;
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QTimer::singleShot(1000, this, []()
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{
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HWND taskbar = FindWindow(L"Shell_TrayWnd", nullptr);
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SetFocus(taskbar);
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SetForegroundWindow(taskbar);
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});
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}
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}
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SteamTargetRenderer::~SteamTargetRenderer()
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{
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if (hmodGameOverlayRenderer != nullptr)
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{
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UnhookWindowsHookEx(hook);
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}
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renderThread.join();
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if (controllerThread.isRunning())
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controllerThread.stop();
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}
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void SteamTargetRenderer::run()
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{
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renderThread = std::thread(&SteamTargetRenderer::RunSfWindowLoop, this);
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}
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void SteamTargetRenderer::stop()
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{
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bRunLoop = false;
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QApplication::exit(0);
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}
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void SteamTargetRenderer::RunSfWindowLoop()
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{
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if (!bRunLoop)
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return;
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sfWindow.setActive(true);
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bool focusSwitchNeeded = true;
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if (bDrawOverlay)
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{
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SetWindowPos(sfWindow.getSystemHandle(), HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_ASYNCWINDOWPOS);
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} else {
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ShowWindow(consoleHwnd, SW_SHOW);
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}
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while (sfWindow.isOpen() && bRunLoop)
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{
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sf::Event event;
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while (sfWindow.pollEvent(event))
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{
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if (event.type == sf::Event::Closed)
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sfWindow.close();
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}
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sfWindow.clear(sf::Color::Transparent);
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if (bDrawDebugEdges)
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drawDebugEdges();
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//This ensures that we stay in game binding, even if focused application changes! (Why does this work? Well, i dunno... ask Valve...)
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//Only works with a console window
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//Causes trouble as soon as there is more than the consoleWindow and the overlayWindow
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//This is trying to avoid hooking Steam.exe
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//----
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//alternatively / additionaly, we can just hook steam and make our lives so much easier
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//we inject and hook here to spare IPC and let the dll grab the steam appID of the launched process when the config switches (config switches w/ focus)
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if (focusSwitchNeeded)
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{
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if (bHookSteam)
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hookBindings(); //cleanup - unhooking / unloading of dll is managed by the GloSC gamelauncher rather than here
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focusSwitchNeeded = false;
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if (!bUseDesktopConfig)
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{
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SetFocus(consoleHwnd);
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sf::Clock clock;
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while (!SetForegroundWindow(consoleHwnd) && clock.getElapsedTime().asMilliseconds() < 1000) //try to forcefully set foreground window
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{
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Sleep(1);
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}
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}
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}
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//Dirty hack to make the steamoverlay work properly and still keep Apps Controllerconfig when closing overlay.
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//even if hooking steam, this ensures the overlay stays working
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if (hmodGameOverlayRenderer != NULL)
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{
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if (overlayOpen)
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{
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if (!bNeedFocusSwitch)
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{
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bNeedFocusSwitch = true;
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hwForeGroundWindow = GetForegroundWindow();
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std::cout << "Saving current ForegorundWindow HWND: " << hwForeGroundWindow << std::endl;
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std::cout << "Activating OverlayWindow" << std::endl;
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SetWindowLong(sfWindow.getSystemHandle(), GWL_EXSTYLE, WS_EX_LAYERED); //make overlay window clickable
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//Actually activate the overlaywindow
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SetFocus(sfWindow.getSystemHandle());
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if (!bUseDesktopConfig)
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{
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//by activating the consolewindow **and bringing it to the foreground** we can trick steam so the controller stays in game bindings
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SetFocus(consoleHwnd);
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sf::Clock clock;
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while (!SetForegroundWindow(consoleHwnd) && clock.getElapsedTime().asMilliseconds() < 1000) //try to forcefully set foreground window
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{
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Sleep(1);
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}
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}
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//Move the mouse cursor inside the overlaywindow
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//this is neccessary because steam doesn't want to switch to big picture bindings if mouse isn't inside
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SetCursorPos(16, 16);
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}
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sfWindow.draw(backgroundSprite);
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} else {
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if (bNeedFocusSwitch)
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{
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std::cout << "Deactivating OverlayWindow" << std::endl;
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//make overlaywindow clickthrough - WS_EX_TRANSPARENT - again
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SetWindowLong(sfWindow.getSystemHandle(), GWL_EXSTYLE, WS_EX_LAYERED | WS_EX_TRANSPARENT);
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std::cout << "Switching to previously focused window" << std::endl;
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//switch back the the previosly focused window
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SetFocus(hwForeGroundWindow);
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sf::Clock clock;
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while (!SetForegroundWindow(hwForeGroundWindow) && clock.getElapsedTime().asMilliseconds() < 1000) //try to forcefully set foreground window
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{
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Sleep(1);
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}
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bNeedFocusSwitch = false;
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}
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}
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}
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sfWindow.display();
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}
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stop();
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}
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void SteamTargetRenderer::getSteamOverlay()
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{
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hmodGameOverlayRenderer = GetModuleHandle(overlayModuleName);
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if (hmodGameOverlayRenderer != nullptr)
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{
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std::cout << overlayModuleName << " found; Module at: 0x" << hmodGameOverlayRenderer << std::endl;
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}
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}
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void SteamTargetRenderer::makeSfWindowTransparent(sf::RenderWindow & window)
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{
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HWND hwnd = window.getSystemHandle();
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SetWindowLong(hwnd, GWL_STYLE, WS_VISIBLE | WS_POPUP &~WS_CAPTION);
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SetWindowLong(hwnd, GWL_EXSTYLE, WS_EX_LAYERED | WS_EX_TRANSPARENT | WS_EX_TOPMOST);
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MARGINS margins;
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margins.cxLeftWidth = -1;
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DwmExtendFrameIntoClientArea(hwnd, &margins);
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SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE);
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window.clear(sf::Color::Transparent);
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window.display();
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}
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void SteamTargetRenderer::drawDebugEdges()
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{
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sfCshape.setPosition(sf::Vector2f(-25, -25));
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sfWindow.draw(sfCshape);
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sfCshape.setPosition(sf::Vector2f(sfWindow.getSize().x + 25, -25));
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sfWindow.draw(sfCshape);
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sfCshape.setPosition(sf::Vector2f(-25, sfWindow.getSize().y));
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sfWindow.draw(sfCshape);
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sfCshape.setPosition(sf::Vector2f(sfWindow.getSize().x, sfWindow.getSize().y));
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sfWindow.draw(sfCshape);
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}
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void SteamTargetRenderer::hookBindings()
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{
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std::cout << "Hooking Steam..." << std::endl;
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QString dir = QDir::toNativeSeparators(QCoreApplication::applicationDirPath());
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dir = dir.mid(0, dir.lastIndexOf("\\"));
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QProcess proc;
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proc.setNativeArguments(" --inject ");
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proc.setWorkingDirectory(dir);
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proc.start("..\\Injector.exe", QIODevice::ReadOnly);
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proc.waitForStarted();
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proc.waitForFinished();
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if (QString::fromStdString(proc.readAll().toStdString()).contains("Inject success!")) //if we have injected (and patched the function)
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{
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std::cout << "Successfully hooked Steam!" << std::endl;
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//tell the GloSC_GameLauncher that we have hooked steam
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//it will deal with checking if the target is still alive and unload the dll / unhook then
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// - ensures unloading / unhooking even if this process crashes or gets unexpectedly killed
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QSharedMemory sharedMemInstance("GloSC_GameLauncher");
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if (!sharedMemInstance.create(1024) && sharedMemInstance.error() == QSharedMemory::AlreadyExists)
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{
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QBuffer buffer;
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QDataStream dataStream(&buffer);
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QStringList stringList;
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sharedMemInstance.attach();
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sharedMemInstance.lock();
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buffer.setData(static_cast<const char*>(sharedMemInstance.constData()), sharedMemInstance.size());
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buffer.open(QBuffer::ReadOnly);
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dataStream >> stringList;
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buffer.close();
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int i = stringList.indexOf(IsSteamHooked) + 1;
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stringList.replace(i, "1");
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buffer.open(QBuffer::ReadWrite);
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QDataStream out(&buffer);
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out << stringList;
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int size = buffer.size();
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char *to = static_cast<char*>(sharedMemInstance.data());
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const char *from = buffer.data().data();
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memcpy(to, from, qMin(sharedMemInstance.size(), size));
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buffer.close();
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sharedMemInstance.unlock();
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sharedMemInstance.detach();
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}
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} else {
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std::cout << "Hooking Steam failed!" << std::endl;
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MessageBoxW(NULL, L"Hooking Steam failed!", L"GloSC-SteamTarget", MB_OK);
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}
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}
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void SteamTargetRenderer::loadLogo()
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{
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HRSRC rsrcData = FindResource(NULL, L"ICOPNG", RT_RCDATA);
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DWORD rsrcDataSize = SizeofResource(NULL, rsrcData);
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HGLOBAL grsrcData = LoadResource(NULL, rsrcData);
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LPVOID firstByte = LockResource(grsrcData);
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spriteTexture = std::make_unique<sf::Texture>();
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spriteTexture->loadFromMemory(firstByte, rsrcDataSize);
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backgroundSprite.setTexture(*spriteTexture);
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backgroundSprite.setOrigin(sf::Vector2f(spriteTexture->getSize().x / 2.f, spriteTexture->getSize().y / 2));
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sf::VideoMode winSize = sf::VideoMode::getDesktopMode();
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backgroundSprite.setPosition(sf::Vector2f(winSize.width / 2.f, winSize.height / 2.f));
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}
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LRESULT WINAPI SteamTargetRenderer::HookCallback(int nCode, WPARAM wParam, LPARAM lParam)
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{
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if (nCode >= 0)
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{
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PMSG msg = reinterpret_cast<PMSG>(lParam);
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if (msg->message == 0x14FA) //Posted when the overlay gets opened
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{
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overlayOpen = true;
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std::cout << "Overlay Opened!\n";
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}
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else if (msg->message == 0x14F7 || msg->message == 512)
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{
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overlayOpen = false;
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std::cout << "Overlay closed!\n";
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}
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}
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return CallNextHookEx(hook, nCode, wParam, lParam);
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}
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BOOL SteamTargetRenderer::ConsoleCtrlCallback(DWORD dwCtrlType)
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{
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if (dwCtrlType == CTRL_CLOSE_EVENT || dwCtrlType == CTRL_BREAK_EVENT || dwCtrlType == CTRL_C_EVENT)
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{
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if (bHookSteam)
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{
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QString dir = QDir::toNativeSeparators(QCoreApplication::applicationDirPath());
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dir = dir.mid(0, dir.lastIndexOf("\\"));
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QProcess proc;
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proc.setNativeArguments(" --eject ");
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proc.setWorkingDirectory(dir);
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proc.start("..\\Injector.exe", QIODevice::ReadOnly);
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proc.waitForStarted();
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proc.waitForFinished();
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}
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return true;
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}
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return false;
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}
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void SteamTargetRenderer::launchApp()
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{
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bool launchGame = false;
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bool closeWhenDone = false;
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QString type = "Win32";
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QString path = "";
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QSettings settings(".\\TargetConfig.ini", QSettings::IniFormat);
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settings.beginGroup("LaunchGame");
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const QStringList childKeys = settings.childKeys();
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for (auto &childkey : childKeys)
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{
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if (childkey == "bLaunchGame")
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{
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launchGame = settings.value(childkey).toBool();
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}
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else if (childkey == "Type") {
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type = settings.value(childkey).toString();
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}
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else if (childkey == "Path") {
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path = settings.value(childkey).toString();
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}
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else if (childkey == "bCloseWhenDone") {
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closeWhenDone = settings.value("bCloseWhenDone").toBool();
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}
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}
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settings.endGroup();
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if (launchGame)
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{
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QSharedMemory sharedMemInstance("GloSC_GameLauncher");
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if (!sharedMemInstance.create(1024) && sharedMemInstance.error() == QSharedMemory::AlreadyExists)
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{
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QBuffer buffer;
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QDataStream dataStream(&buffer);
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QStringList stringList;
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sharedMemInstance.attach();
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sharedMemInstance.lock();
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buffer.setData(static_cast<const char*>(sharedMemInstance.constData()), sharedMemInstance.size());
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buffer.open(QBuffer::ReadOnly);
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dataStream >> stringList;
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buffer.close();
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int lgt_index = stringList.indexOf(LaunchGame);
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stringList.replace(lgt_index + 1, type);
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stringList.replace(lgt_index + 2, path);
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buffer.open(QBuffer::ReadWrite);
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QDataStream out(&buffer);
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out << stringList;
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int size = buffer.size();
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char *to = static_cast<char*>(sharedMemInstance.data());
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const char *from = buffer.data().data();
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memcpy(to, from, qMin(sharedMemInstance.size(), size));
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buffer.close();
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sharedMemInstance.unlock();
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sharedMemInstance.detach();
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if (closeWhenDone)
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{
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updateTimer.setInterval(1111);
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connect(&updateTimer, SIGNAL(timeout()), this, SLOT(checkSharedMem()));
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updateTimer.start();
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}
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}
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}
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}
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void SteamTargetRenderer::checkSharedMem()
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{
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QSharedMemory sharedMemInstance("GloSC_GameLauncher");
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if (!sharedMemInstance.create(1024) && sharedMemInstance.error() == QSharedMemory::AlreadyExists)
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{
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QBuffer buffer;
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QDataStream in(&buffer);
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QStringList stringList;
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sharedMemInstance.attach();
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sharedMemInstance.lock();
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buffer.setData(static_cast<const char*>(sharedMemInstance.constData()), sharedMemInstance.size());
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buffer.open(QBuffer::ReadOnly);
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in >> stringList;
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buffer.close();
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sharedMemInstance.unlock();
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sharedMemInstance.detach();
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int close_index = stringList.indexOf(LaunchedProcessFinished)+1;
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if (close_index > 0 && stringList.at(close_index).toInt() == 1)
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{
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bRunLoop = false;
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renderThread.join();
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if (controllerThread.isRunning())
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controllerThread.stop();
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exit(0);
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}
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}
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}
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