public static int Main(string[] args)
{
EngineLaunchOptions launchOptions = new EngineLaunchOptions(args);
ProjectManifest projectManifest;
string currentDir = AppContext.BaseDirectory;
string manifestName = null;
foreach (var file in Directory.EnumerateFiles(currentDir))
{
if (file.EndsWith("manifest"))
{
if (manifestName != null)
{
Console.WriteLine("Error: Multiple project manifests in this directory: " + currentDir);
return(-1);
}
manifestName = file;
}
}
using (var fs = File.OpenRead(manifestName))
using (var sr = new StreamReader(fs))
using (var jtr = new JsonTextReader(sr))
{
var js = new JsonSerializer();
try
{
projectManifest = js.Deserialize <ProjectManifest>(jtr);
}
catch (Exception e)
{
Console.WriteLine("An error was encountered while loading the project manifest.");
Console.WriteLine(e);
return(-1);
}
}
Game game = new Game();
AssemblyLoadSystem als = new AssemblyLoadSystem();
als.LoadFromProjectManifest(projectManifest, AppContext.BaseDirectory);
game.SystemRegistry.Register(als);
GraphicsPreferencesProvider graphicsProvider;
string graphicsProviderName = projectManifest.GraphicsPreferencesProviderTypeName;
if (graphicsProviderName != null)
{
graphicsProvider = GetProvider(als, graphicsProviderName);
}
else
{
graphicsProvider = new DefaultGraphicsPreferencesProvider();
}
var desiredInitialState = GraphicsPreferencesUtil.MapPreferencesState(graphicsProvider.WindowStatePreference);
OpenTKWindow window = RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
? (OpenTKWindow) new DedicatedThreadWindow(960, 540, desiredInitialState)
: new SameThreadWindow(960, 540, desiredInitialState);
window.Title = "ge.Main";
GraphicsSystem gs = new GraphicsSystem(window, graphicsProvider);
game.SystemRegistry.Register(gs);
window.Closed += game.Exit;
game.LimitFrameRate = false;
InputSystem inputSystem = new InputSystem(window);
inputSystem.RegisterCallback((input) =>
{
if (input.GetKeyDown(Key.F4) && (input.GetKey(Key.AltLeft) || input.GetKey(Key.AltRight)))
{
game.Exit();
}
if (input.GetKeyDown(Key.F11))
{
window.WindowState = window.WindowState == WindowState.Normal ? WindowState.BorderlessFullScreen : WindowState.Normal;
}
});
game.SystemRegistry.Register(inputSystem);
SceneLoaderSystem sls = new SceneLoaderSystem(game, game.SystemRegistry.GetSystem <GameObjectQuerySystem>());
game.SystemRegistry.Register(sls);
sls.AfterSceneLoaded += () => game.ResetDeltaTime();
EngineLaunchOptions.AudioEnginePreference?audioPreference = launchOptions.AudioPreference;
AudioEngineOptions audioEngineOptions =
!audioPreference.HasValue ? AudioEngineOptions.Default
: audioPreference == EngineLaunchOptions.AudioEnginePreference.None ? AudioEngineOptions.UseNullAudio
: AudioEngineOptions.UseOpenAL;
AudioSystem audioSystem = new AudioSystem(audioEngineOptions);
game.SystemRegistry.Register(audioSystem);
ImGuiRenderer imGuiRenderer = new ImGuiRenderer(gs.Context, window.NativeWindow, inputSystem);
gs.SetImGuiRenderer(imGuiRenderer);
AssetSystem assetSystem = new AssetSystem(Path.Combine(AppContext.BaseDirectory, projectManifest.AssetRoot), als.Binder);
game.SystemRegistry.Register(assetSystem);
BehaviorUpdateSystem bus = new BehaviorUpdateSystem(game.SystemRegistry);
game.SystemRegistry.Register(bus);
bus.Register(imGuiRenderer);
PhysicsSystem ps = new PhysicsSystem(projectManifest.PhysicsLayers);
game.SystemRegistry.Register(ps);
#if DEBUG
ConsoleCommandSystem ccs = new ConsoleCommandSystem(game.SystemRegistry);
game.SystemRegistry.Register(ccs);
#endif
game.SystemRegistry.Register(new SynchronizationHelperSystem());
SceneAsset scene;
AssetID mainSceneID = projectManifest.OpeningScene.ID;
if (mainSceneID.IsEmpty)
{
var scenes = assetSystem.Database.GetAssetsOfType(typeof(SceneAsset));
if (!scenes.Any())
{
Console.WriteLine("No scenes were available to load.");
return(-1);
}
else
{
mainSceneID = scenes.First();
}
}
scene = assetSystem.Database.LoadAsset <SceneAsset>(mainSceneID);
scene.GenerateGameObjects();
RunStartupFunctions(projectManifest, als, game);
game.RunMainLoop();
return(0);
}