int main(int argc, char* argv[]) {
// Initialize logger
logFile.open("engine_test.log");
logFilePath = std::experimental::filesystem::current_path();
logFilePath /= "engine_test.log";
cout << "Log files can be found at:\n ";
cout << " " << logFilePath << endl;
if (logFile.is_open()) {
logger.OpenStream(&logFile);
}
else {
logger.OpenStream(&std::cout);
}
// Set exception terminate handler
std::set_terminate(OnTerminate);
// Create the window itself
Window window;
window.SetTitle("QC Simulator");
window.SetSize({ 960, 640 });
// Create GraphicsEngine
systemLogStream.Event("Initializing Graphics Engine...");
std::unique_ptr<IGxapiManager> gxapiMgr;
std::unique_ptr<IGraphicsApi, ReportDeleter> gxapi;
std::unique_ptr<GraphicsEngine> engine;
std::unique_ptr<QCWorld> qcWorld;
std::unique_ptr<InputHandler> inputHandler;
std::unique_ptr<Input> joyInput;
std::unique_ptr<Input> keyboardInput;
try {
// Create manager
systemLogStream.Event("Creating GxApi Manager...");
gxapiMgr.reset(new GxapiManager());
auto adapters = gxapiMgr->EnumerateAdapters();
std::string cardList;
for (auto adapter : adapters) {
cardList += "\n";
cardList += adapter.name;
}
systemLogStream.Event("Available graphics cards:" + cardList);
// Create graphics api
int device = 0;
if (argc == 3 && argv[1] == std::string("--device") && isdigit(argv[2][0])) {
device = argv[2][0] - '0'; // works for single digits, good enough, lol
}
systemLogStream.Event("Creating GraphicsApi...");
gxapi.reset(gxapiMgr->CreateGraphicsApi(adapters[device].adapterId));
std::stringstream ss;
ss << "Using graphics card: " << adapters[device].name;
systemLogStream.Event(ss.str());
// Create graphics engine
systemLogStream.Event("Creating Graphics Engine...");
GraphicsEngineDesc desc;
desc.fullScreen = false;
desc.graphicsApi = gxapi.get();
desc.gxapiManager = gxapiMgr.get();
desc.width = window.GetClientSize().x;
desc.height = window.GetClientSize().y;
desc.targetWindow = window.GetNativeHandle();
desc.logger = &logger;
engine.reset(new GraphicsEngine(desc));
// Load graphics pipeline
std::string pipelineFileName = SelectPipeline(gxapi.get());
std::string exeDir = System::GetExecutableDir();
std::ifstream pipelineFile(INL_PIPELINE_DIRECTORY "\\" + pipelineFileName);
if (!pipelineFile.is_open()) {
throw FileNotFoundException("Failed to open pipeline JSON.");
}
std::string pipelineDesc((std::istreambuf_iterator<char>(pipelineFile)), std::istreambuf_iterator<char>());
engine->LoadPipeline(pipelineDesc);
// Create mini world
qcWorld.reset(new QCWorld(engine.get()));
// Create input handling
inputHandler = std::make_unique<InputHandler>(qcWorld.get());
window.OnResize += Delegate<void(ResizeEvent)>{ &InputHandler::OnResize, inputHandler.get() };
auto joysticks = Input::GetDeviceList(eInputSourceType::JOYSTICK);
if (!joysticks.empty()) {
joyInput = std::make_unique<Input>(joysticks.front().id);
joyInput->SetQueueMode(eInputQueueMode::QUEUED);
joyInput->OnJoystickMove += Delegate<void(JoystickMoveEvent)>{ &InputHandler::OnJoystickMove, inputHandler.get() };
}
auto keyboards = Input::GetDeviceList(eInputSourceType::KEYBOARD);
if (!keyboards.empty()) {
keyboardInput = std::make_unique<Input>(keyboards.front().id);
keyboardInput->SetQueueMode(eInputQueueMode::QUEUED);
keyboardInput->OnKeyboard += Delegate<void(KeyboardEvent)>{ &InputHandler::OnKey, inputHandler.get() };
}
window.OnResize += [&engine, &qcWorld](ResizeEvent evt) {
engine->SetScreenSize(evt.clientSize.x, evt.clientSize.y);
qcWorld->ScreenSizeChanged(evt.clientSize.x, evt.clientSize.y);
};
logger.Flush();
}
catch (Exception& ex) {
errorMessage = std::string("Error creating GraphicsEngine: ") + ex.what() + "\n" + ex.StackTraceStr();
systemLogStream.Event(errorMessage);
logger.Flush();
}
catch (std::exception& ex) {
errorMessage = std::string("Error creating GraphicsEngine: ") + ex.what();
systemLogStream.Event(errorMessage);
logger.Flush();
}
if (!qcWorld) {
return 0;
}
// Main rendering loop
Timer timer;
timer.Start();
double frameTime = 0.05, frameRateUpdate = 0;
std::vector<double> frameTimeHistory;
float avgFps = 0;
auto CaptionHandler = [&window](Vec2i cursorPos) {
Vec2i size = window.GetSize();
RectI rc;
rc.top = 5;
rc.bottom = 50;
rc.right = size.x - 5;
rc.left = size.x - 50;
if (rc.IsPointInside(cursorPos))
return eWindowCaptionButton::CLOSE;
rc.Move({ -50, 0 });
if (rc.IsPointInside(cursorPos))
return eWindowCaptionButton::MAXIMIZE;
rc.Move({ -50, 0 });
if (rc.IsPointInside(cursorPos))
return eWindowCaptionButton::MINIMIZE;
if (cursorPos.y < 55) {
return eWindowCaptionButton::BAR;
}
return eWindowCaptionButton::NONE;
};
//window.SetBorderless(true);
//window.SetCaptionButtonHandler(CaptionHandler);
while (!window.IsClosed()) {
inputHandler->SetFocused(window.IsFocused());
window.CallEvents();
if (joyInput) {
joyInput->CallEvents();
}
if (keyboardInput) {
keyboardInput->CallEvents();
}
try {
// Update world
qcWorld->UpdateWorld(frameTime);
qcWorld->RenderWorld(frameTime);
// Calculate elapsed time for frame.
frameTime = timer.Elapsed();
timer.Reset();
// Calculate average framerate
frameRateUpdate += frameTime;
if (frameRateUpdate > 0.5) {
frameRateUpdate = 0;
double avgFrameTime = 0.0;
for (auto v : frameTimeHistory) {
avgFrameTime += v;
}
avgFrameTime /= frameTimeHistory.size();
avgFps = 1 / avgFrameTime;
frameTimeHistory.clear();
}
frameTimeHistory.push_back(frameTime);
// Set info text as window title
unsigned width, height;
engine->GetScreenSize(width, height);
std::string title = "Graphics Engine Test | " + std::to_string(width) + "x" + std::to_string(height) + " | FPS=" + std::to_string((int)avgFps);
window.SetTitle(title);
}
catch (Exception& ex) {
std::stringstream trace;
trace << "Graphics engine error:" << ex.what() << "\n";
ex.PrintStackTrace(trace);
systemLogStream.Event(trace.str());
PostQuitMessage(0);
}
catch (std::exception& ex) {
systemLogStream.Event(std::string("Graphics engine error: ") + ex.what());
logger.Flush();
PostQuitMessage(0);
}
}
cout << "Shutting down." << endl;
return 0;
}
