almost works

src/mightypork/gamecore/core/App.java

@@ -10,6 +10,7 @@ import mightypork.gamecore.core.events.ShutdownEvent;
 import mightypork.gamecore.core.init.InitTask;
 import mightypork.gamecore.core.plugins.AppPlugin;
 import mightypork.gamecore.graphics.GraphicsModule;
+import mightypork.gamecore.graphics.Renderable;
 import mightypork.gamecore.input.InputModule;
 import mightypork.utils.annotations.Stub;
 import mightypork.utils.eventbus.EventBus;
@@ -25,23 +26,25 @@ import mightypork.utils.logging.Log;
  * @author MightyPork
  */
 public class App extends BusNode {
-
+	
 	private static App instance;
-
+	
 	private final AppBackend backend;
 	private final EventBus eventBus = new EventBus();
 	private boolean started = false;
 	private boolean inited = false;
-
+	
 	/** List of installed App plugins */
 	protected final DelegatingList plugins = new DelegatingList();
 	/** List of initializers */
 	protected final List<InitTask> initializers = new ArrayList<>();
-
+	
 	/** The used main loop instance */
 	protected MainLoop mainLoop;
-
+	
-
+	private Renderable mainRenderable;
+	
+	
 	/**
 	 * Create an app with given backend.
 	 *
@@ -52,24 +55,24 @@ public class App extends BusNode {
 		if (App.instance != null) {
 			throw new IllegalStateException("App already initialized");
 		}
-
+		
 		// store current instance in static field
 		App.instance = this;
-
+		
 		// join the bus
 		this.eventBus.subscribe(this);
-
+		
 		// create plugin registry attached to bus
 		this.eventBus.subscribe(this.plugins);
-
+		
 		// initialize and use backend
 		this.backend = backend;
 		this.backend.bind(this);
 		this.eventBus.subscribe(backend);
 		this.backend.initialize();
 	}
-
+	
-
+	
 	/**
 	 * Add a plugin to the app. Plugins can eg. listen to bus events and react
 	 * to them.
@@ -78,17 +81,13 @@ public class App extends BusNode {
 	 */
 	public void addPlugin(AppPlugin plugin)
 	{
-		if (started) {
-			throw new IllegalStateException("App already started, cannot add plugins.");
-		}
-
 		// attach to event bus
 		plugins.add(plugin);
 		plugin.bind(this);
 		plugin.initialize();
 	}
-
+	
-
+	
 	/**
 	 * Add an initializer to the app.
 	 *
@@ -99,11 +98,11 @@ public class App extends BusNode {
 		if (started) {
 			throw new IllegalStateException("App already started, cannot add initializers.");
 		}
-
+		
 		initializers.add(initializer);
 	}
-
+	
-
+	
 	/**
 	 * Set the main loop implementation
 	 *
@@ -112,9 +111,21 @@ public class App extends BusNode {
 	public void setMainLoop(MainLoop loop)
 	{
 		this.mainLoop = loop;
+		bus().subscribe(loop); // ?
 	}
-
+	
-
+	
+	/**
+	 * Set the main renderable
+	 *
+	 * @param renderable the main renderable
+	 */
+	public void setMainRenderable(Renderable renderable)
+	{
+		this.mainRenderable = renderable;
+	}
+	
+	
 	/**
 	 * Get current backend
 	 *
@@ -124,8 +135,8 @@ public class App extends BusNode {
 	{
 		return backend;
 	}
-
+	
-
+	
 	/**
 	 * Initialize the App and start operating.<br>
 	 * This method should be called after adding all required initializers and
@@ -137,59 +148,60 @@ public class App extends BusNode {
 			throw new IllegalStateException("Already started.");
 		}
 		started = true;
-		
+
 		Log.i("Starting init...");
 		init();
-
+		
 		if (mainLoop == null) {
 			throw new IllegalStateException("The app has no main loop assigned.");
 		}
-
+		
 		Log.i("Starting main loop...");
+		mainLoop.setRootRenderable(mainRenderable);
 		mainLoop.start();
 	}
-
+	
-
+	
 	private void init()
 	{
-		
+
 		if (inited) {
 			throw new IllegalStateException("Already inited.");
 		}
 		inited = true;
-
+		
 		// pre-init hook, just in case anyone wanted to have one.
 		Log.f2("Calling pre-init hook...");
 		preInit();
-
+		
 		Log.f2("Running init tasks...");
-
+		
 		// sort initializers by order.
 		final List<InitTask> orderedInitializers = InitTask.inOrder(initializers);
-
+		
 		for (final InitTask initTask : orderedInitializers) {
 			Log.f1("Running init task \"" + initTask.getName() + "\"...");
-
+			
 			initTask.bind(this);
-
+			
 			// set the task options
 			initTask.init();
-
+			
 			initTask.before();
-
+			
 			// main task action
 			initTask.run();
-
+			
 			// after hook for extra actions immeditaely after the task completes
 			initTask.after();
 		}
-
+		
 		// user can now start the main loop etc.
 		Log.f2("Calling post-init hook...");
 		postInit();
 	}
-
+	
-
+	
 	/**
 	 * Hook called before the initialization sequence starts.
 	 */
@@ -197,8 +209,8 @@ public class App extends BusNode {
 	protected void preInit()
 	{
 	}
-
+	
-
+	
 	/**
 	 * Hook called after the initialization sequence is finished.
 	 */
@@ -206,8 +218,8 @@ public class App extends BusNode {
 	protected void postInit()
 	{
 	}
-
+	
-
+	
 	/**
 	 * Shut down the running instance.<br>
 	 * Deinitialize backend modules and terminate the JVM.
@@ -216,9 +228,9 @@ public class App extends BusNode {
 	{
 		if (instance != null) {
 			Log.i("Dispatching Shutdown event...");
-
+			
 			bus().send(new ShutdownEvent(new Runnable() {
-
+				
 				@Override
 				public void run()
 				{
@@ -231,19 +243,19 @@ public class App extends BusNode {
 					} catch (final Throwable e) {
 						Log.e(e);
 					}
-
+					
 					Log.i("Shutdown completed.");
 					System.exit(0);
 				}
 			}));
-
+			
 		} else {
 			Log.w("App is not running.");
 			System.exit(0);
 		}
 	}
-
+	
-
+	
 	/**
 	 * Get the currently running App instance.
 	 *
@@ -253,8 +265,8 @@ public class App extends BusNode {
 	{
 		return instance;
 	}
-
+	
-
+	
 	/**
 	 * Get graphics module from the running app's backend
 	 *
@@ -264,8 +276,8 @@ public class App extends BusNode {
 	{
 		return instance.backend.getGraphics();
 	}
-
+	
-
+	
 	/**
 	 * Get audio module from the running app's backend
 	 *
@@ -275,8 +287,8 @@ public class App extends BusNode {
 	{
 		return instance.backend.getAudio();
 	}
-
+	
-
+	
 	/**
 	 * Get input module from the running app's backend
 	 *
@@ -286,8 +298,8 @@ public class App extends BusNode {
 	{
 		return instance.backend.getInput();
 	}
-
+	
-
+	
 	/**
 	 * Get event bus instance.
 	 *
@@ -297,8 +309,8 @@ public class App extends BusNode {
 	{
 		return instance.eventBus;
 	}
-
+	
-
+	
 	/**
 	 * Get the main config, if initialized.
 	 *
@@ -309,8 +321,8 @@ public class App extends BusNode {
 	{
 		return cfg("main");
 	}
-
+	
-
+	
 	/**
 	 * Get a config by alias.
 	 *

src/mightypork/gamecore/core/events/ShutdownEvent.java

@@ -1,6 +1,7 @@
 package mightypork.gamecore.core.events;
 
 
+import mightypork.gamecore.core.App;
 import mightypork.utils.eventbus.BusEvent;
 import mightypork.utils.eventbus.EventBus;
 import mightypork.utils.logging.Log;
@@ -42,7 +43,9 @@ public class ShutdownEvent extends BusEvent<ShutdownListener> {
 	{
 		if (!isConsumed()) {
 			Log.i("Shutting down...");
-			shutdownTask.run();
+			
+			App.bus().send(new MainLoopRequest(shutdownTask, true));
+			
 		} else {
 			Log.i("Shutdown aborted.");
 		}

src/mightypork/gamecore/core/init/InitTask.java

@@ -21,11 +21,11 @@ import mightypork.utils.logging.Log;
  * @author Ondřej Hruška (MightyPork)
  */
 public abstract class InitTask {
-	
+
 	/** App instance assigned using <code>bind()</code> */
 	protected App app;
-
+	
-
+	
 	/**
 	 * Assign the initialized app instance to an "app" field.
 	 *
@@ -35,8 +35,8 @@ public abstract class InitTask {
 	{
 		this.app = app;
 	}
-
+	
-
+	
 	/**
 	 * An init method that is called before the <code>run()</code> method.<br>
 	 * This method should be left unimplemented in the task, and can be used to
@@ -47,8 +47,8 @@ public abstract class InitTask {
 	{
 		//
 	}
-
+	
-
+	
 	/**
 	 * Hook for extra action before the main task action.<br>
 	 * Can be overridden during app configuration to "bake-in" extra actions.
@@ -58,14 +58,14 @@ public abstract class InitTask {
 	{
 		//
 	}
-
+	
-
+	
 	/**
 	 * Run the initializer on app.
 	 */
 	public abstract void run();
-
+	
-
+	
 	/**
 	 * Hook executed after the "run()" method.<br>
 	 * Can be overridden during app configuration to "bake-in" extra actions.
@@ -75,8 +75,8 @@ public abstract class InitTask {
 	{
 		//
 	}
-
+	
-
+	
 	/**
 	 * Get name of this initializer (for dependency resolver).<br>
 	 * The name should be short, snake_case and precise.
@@ -84,8 +84,8 @@ public abstract class InitTask {
 	 * @return name
 	 */
 	public abstract String getName();
-
+	
-
+	
 	/**
 	 * Get what other initializers must be already loaded before this can load.<br>
 	 * Depending on itself or creating a circular dependency will cause error.<br>
@@ -99,8 +99,8 @@ public abstract class InitTask {
 	{
 		return new String[] {};
 	}
-
+	
-
+	
 	/**
 	 * Order init tasks so that all dependencies are loaded before thye are
 	 * needed by the tasks.
@@ -111,25 +111,26 @@ public abstract class InitTask {
 	public static List<InitTask> inOrder(List<InitTask> tasks)
 	{
 		final List<InitTask> remaining = new ArrayList<>(tasks);
-
+		
 		final List<InitTask> ordered = new ArrayList<>();
 		final Set<String> loaded = new HashSet<>();
-
+		
 		// resolve task order
 		int addedThisIteration = 0;
 		do {
+			addedThisIteration = 0;
 			for (final Iterator<InitTask> i = remaining.iterator(); i.hasNext();) {
 				final InitTask task = i.next();
-
+				
 				String[] deps = task.getDependencies();
 				if (deps == null) deps = new String[] {};
-
+				
 				int unmetDepsCount = deps.length;
-
+				
 				for (final String d : deps) {
 					if (loaded.contains(d)) unmetDepsCount--;
 				}
-
+				
 				if (unmetDepsCount == 0) {
 					ordered.add(task);
 					loaded.add(task.getName());
@@ -138,38 +139,38 @@ public abstract class InitTask {
 				}
 			}
 		} while (addedThisIteration > 0);
-
+		
 		// check if any tasks are left out
 		if (remaining.size() > 0) {
-
+			
 			// build error message for each bad task
 			int badInitializers = 0;
 			for (final InitTask task : remaining) {
 				if (Reflect.hasAnnotation(task.getClass(), OptionalInitTask.class)) {
 					continue;
 				}
-
+				
 				badInitializers++;
-
+				
 				String notSatisfied = "";
-
+				
 				for (final String d : task.getDependencies()) {
 					if (!loaded.contains(d)) {
-
+						
 						if (!notSatisfied.isEmpty()) {
 							notSatisfied += ", ";
 						}
-
+						
 						notSatisfied += d;
 					}
 				}
-
+				
 				Log.w("InitTask \"" + task.getName() + "\" - missing dependencies: " + notSatisfied);
 			}
-
+			
 			if (badInitializers > 0) throw new RuntimeException("Some InitTask dependencies could not be satisfied.");
 		}
-
+		
 		return ordered;
 	}
 }

src/mightypork/gamecore/core/init/InitTaskDisplay.java

@@ -10,12 +10,12 @@ import mightypork.gamecore.graphics.GraphicsModule;
  * @author Ondřej Hruška (MightyPork)
  */
 public class InitTaskDisplay extends InitTask {
-	
+
 	private int width = 800, height = 600, fps = 60;
 	private boolean resizable, fullscreen;
 	private String title = "Game";
-	
+
-	
+
 	/**
 	 * Set initial window size
 	 *
@@ -27,8 +27,8 @@ public class InitTaskDisplay extends InitTask {
 		this.width = width;
 		this.height = height;
 	}
-	
+
-	
+
 	/**
 	 * Set whether the window should be resizable
 	 *
@@ -38,8 +38,8 @@ public class InitTaskDisplay extends InitTask {
 	{
 		this.resizable = resizable;
 	}
-	
+
-	
+
 	/**
 	 * Set window title
 	 *
@@ -49,8 +49,8 @@ public class InitTaskDisplay extends InitTask {
 	{
 		this.title = title;
 	}
-	
+
-	
+
 	/**
 	 * Set desired framerate.
 	 *
@@ -60,8 +60,8 @@ public class InitTaskDisplay extends InitTask {
 	{
 		this.fps = fps;
 	}
-	
+
-	
+
 	/**
 	 * Set whether the window should start in fullscreen
 	 *
@@ -71,26 +71,28 @@ public class InitTaskDisplay extends InitTask {
 	{
 		this.fullscreen = fullscreen;
 	}
-	
+
-	
+
 	@Override
 	public void run()
 	{
 		final GraphicsModule gfx = app.getBackend().getGraphics();
-		
+
 		gfx.setSize(width, height);
 		gfx.setResizable(resizable);
 		gfx.setTitle(title);
 		gfx.setTargetFps(fps);
-		
+
 		if (fullscreen) gfx.setFullscreen(true);
+
+		gfx.createDisplay();
 	}
-	
+
-	
+
 	@Override
 	public String getName()
 	{
 		return "display";
 	}
-	
+
 }

src/mightypork/gamecore/core/init/InitTaskMainLoop.java

@@ -11,30 +11,30 @@ import mightypork.gamecore.core.MainLoop;
  * @author Ondřej Hruška (MightyPork)
  */
 public abstract class InitTaskMainLoop extends InitTask {
-	
+
 	/** The loader. */
 	protected MainLoop loop;
-	
+
-	
+
 	@Override
 	public void run()
 	{
 		loop = getLoopImpl();
 		app.setMainLoop(loop);
 	}
-	
+
-	
+
 	/**
 	 * Create a loader impl
 	 *
 	 * @return loader
 	 */
 	protected abstract MainLoop getLoopImpl();
-	
+
-	
+
 	@Override
 	public String getName()
 	{
-		return "resource_loader";
+		return "main_loop";
 	}
 }

src/mightypork/gamecore/core/init/InitTaskResources.java

@@ -11,24 +11,24 @@ import mightypork.gamecore.resources.ResourceInitializer;
  * @author Ondřej Hruška (MightyPork)
  */
 public abstract class InitTaskResources extends InitTask implements ResourceInitializer {
-
+	
 	@Override
 	public void run()
 	{
 		Res.load(this);
 	}
-
+	
-
+	
 	@Override
 	public String getName()
 	{
 		return "resources";
 	}
-
+	
-
+	
 	@Override
 	public String[] getDependencies()
 	{
-		return new String[] { "resource_loader" };
+		return new String[] { "resource_loader", "main_loop" };
 	}
 }

src/mightypork/gamecore/core/plugins/screenshot/InitTaskPluginScreenshot.java

@@ -2,6 +2,7 @@ package mightypork.gamecore.core.plugins.screenshot;
 
 
 import mightypork.gamecore.core.init.InitTask;
+import mightypork.gamecore.core.plugins.AppPlugin;
 import mightypork.utils.files.WorkDir;
 
 
@@ -11,10 +12,10 @@ import mightypork.utils.files.WorkDir;
  * @author Ondřej Hruška (MightyPork)
  */
 public class InitTaskPluginScreenshot extends InitTask {
-	
+
 	private String screenshotDir;
-	
+
-	
+
 	/**
 	 * Initialize to use the "screenshots" directory
 	 */
@@ -22,8 +23,8 @@ public class InitTaskPluginScreenshot extends InitTask {
 	{
 		this("screenshots");
 	}
-	
+
-	
+
 	/**
 	 * Initialize to use the given directory for saving.
 	 *
@@ -33,8 +34,8 @@ public class InitTaskPluginScreenshot extends InitTask {
 	{
 		this.screenshotDir = dir;
 	}
-	
+
-	
+
 	/**
 	 * Set screenshot directory
 	 *
@@ -44,13 +45,19 @@ public class InitTaskPluginScreenshot extends InitTask {
 	{
 		this.screenshotDir = dir;
 	}
-	
+
-	
+
 	@Override
 	public void run()
 	{
 		WorkDir.addPath("_screenshot_dir", screenshotDir);
-		app.addPlugin(new ScreenshotPlugin());
+		app.addPlugin(getPluginImpl());
+	}
+
+
+	protected AppPlugin getPluginImpl()
+	{
+		return new ScreenshotPlugin();
 	}
 	
 	
@@ -59,12 +66,12 @@ public class InitTaskPluginScreenshot extends InitTask {
 	{
 		return "plugin_screenshot";
 	}
-	
+
-	
+
 	@Override
 	public String[] getDependencies()
 	{
 		return new String[] { "workdir" };
 	}
-	
+
 }

src/mightypork/gamecore/core/plugins/screenshot/ScreenshotPlugin.java

@@ -14,15 +14,16 @@ import mightypork.utils.Support;
  *
  * @author Ondřej Hruška (MightyPork)
  */
-public class ScreenshotPlugin extends AppPlugin {
+public class ScreenshotPlugin extends AppPlugin implements ScreenshotRequestListener {
-
+	
 	/**
 	 * Take screenshot. Called by the trigger event.
 	 */
-	void takeScreenshot()
+	@Override
+	public void onScreenshotRequest()
 	{
 		App.bus().send(new MainLoopRequest(new Runnable() {
-
+			
 			@Override
 			public void run()
 			{

src/mightypork/gamecore/core/plugins/screenshot/ScreenshotRequest.java

@@ -11,12 +11,12 @@ import mightypork.utils.eventbus.events.flags.SingleReceiverEvent;
  * @author MightyPork
  */
 @SingleReceiverEvent
-public class ScreenshotRequest extends BusEvent<ScreenshotPlugin> {
+public class ScreenshotRequest extends BusEvent<ScreenshotRequestListener> {
-	
+
 	@Override
-	protected void handleBy(ScreenshotPlugin handler)
+	protected void handleBy(ScreenshotRequestListener handler)
 	{
-		handler.takeScreenshot();
+		handler.onScreenshotRequest();
 	}
-	
+
 }

src/mightypork/gamecore/graphics/GraphicsModule.java

@@ -267,7 +267,7 @@ public abstract class GraphicsModule extends BackendModule {
 	
 	
 	/**
-	 * Get backend-flavoured deferred texture. This should support PNG images.
+	 * Get backend-flavoured deferred PNG texture.
 	 *
 	 * @param path path to texture
 	 * @return the deferred font
@@ -276,7 +276,7 @@ public abstract class GraphicsModule extends BackendModule {
 	
 	
 	/**
-	 * Get backend-flavoured deferred font. This should support TTF fonts.
+	 * Get backend-flavoured deferred TTF font.
 	 *
 	 * @param path path to font, or font name in the system
 	 * @return the deferred font
@@ -284,6 +284,25 @@ public abstract class GraphicsModule extends BackendModule {
 	public abstract DeferredFont createFontResource(String path);
 	
 	
+	/**
+	 * Get backend-flavoured deferred TTF font.
+	 *
+	 * @param path path to font, or font name in the system
+	 * @param chars chars that should be supported
+	 * @param size font size used when rendering the font to a backing texture.
+	 *            For bitmap fonts, the actual font height.
+	 * @return the deferred font
+	 */
+	public DeferredFont createFont(String path, String chars, double size)
+	{
+		final DeferredFont font = createFontResource(path);
+		font.setChars(chars);
+		font.setSize(size);
+		
+		return font;
+	}
+	
+	
 	/**
 	 * Set target fps (for syncing in endFrame() call).<br>
 	 * With vsync enabled, the target fps may not be met.
@@ -416,4 +435,10 @@ public abstract class GraphicsModule extends BackendModule {
 	 * @return screen height
 	 */
 	public abstract int getHeight();
+
+
+	/**
+	 * Create the display (window) based on current settings.
+	 */
+	public abstract void createDisplay();
 }

src/mightypork/gamecore/input/KeyStroke.java

@@ -60,7 +60,7 @@ public class KeyStroke {
 	 */
 	public boolean isDown()
 	{
-		return key.isDown() && (Keys.getActiveMod() == mod);
+		return key.isDown() && (Keys.getActiveMods() == mod);
 	}
 	
 	

src/mightypork/gamecore/input/Keys.java

@@ -346,7 +346,7 @@ public class Keys {
 	 *
 	 * @return active mod mask (mod bits ored)
 	 */
-	public static int getActiveMod()
+	public static int getActiveMods()
 	{
 		int mods = 0;
 		

src/mightypork/gamecore/resources/loading/AsyncResourceLoader.java

@@ -20,14 +20,14 @@ import mightypork.utils.logging.Log;
  * @author Ondřej Hruška (MightyPork)
  */
 public class AsyncResourceLoader extends Thread implements ResourceLoader, Destroyable {
-
+	
 	private final ExecutorService exs = Executors.newFixedThreadPool(2);
-
+	
 	private final LinkedBlockingQueue<DeferredResource> toLoad = new LinkedBlockingQueue<>();
 	private volatile boolean stopped;
 	private volatile boolean mainLoopQueuing = true;
-
+	
-
+	
 	/**
 	 * Create a resource loader.
 	 */
@@ -35,8 +35,8 @@ public class AsyncResourceLoader extends Thread implements ResourceLoader, Destr
 	{
 		super("Deferred loader");
 	}
-
+	
-
+	
 	@Override
 	public synchronized void init()
 	{
@@ -44,8 +44,8 @@ public class AsyncResourceLoader extends Thread implements ResourceLoader, Destr
 		setDaemon(true);
 		super.start();
 	}
-
+	
-
+	
 	/**
 	 * True to queue resources that must load in rendering context to main loop.
 	 * May cause lag at the beginning, but results in smoother performance later
@@ -57,23 +57,23 @@ public class AsyncResourceLoader extends Thread implements ResourceLoader, Destr
 	{
 		mainLoopQueuing = yes;
 	}
-
+	
-
+	
 	@Override
 	public void loadResource(final DeferredResource resource)
 	{
 		if (resource.isLoaded()) return;
-
+		
 		// textures & fonts needs to be loaded in main thread
 		if (Reflect.hasAnnotation(resource, MustLoadInRenderingContext.class)) {
-
+			
 			if (!mainLoopQueuing) {
 				// just let it be
 			} else {
 				Log.f3("(loader) Delegating to main thread: " + Support.str(resource));
-
+				
 				App.bus().send(new MainLoopRequest(new Runnable() {
-
+					
 					@Override
 					public void run()
 					{
@@ -81,31 +81,31 @@ public class AsyncResourceLoader extends Thread implements ResourceLoader, Destr
 					}
 				}, false));
 			}
-
+			
 			return;
 		}
-
+		
 		toLoad.add(resource);
 	}
-
+	
-
+	
 	@Override
 	public void run()
 	{
 		Log.f3("Asynchronous resource loader started.");
-
+		
 		while (!stopped) {
-
+			
 			try {
 				final DeferredResource def = toLoad.take();
 				if (def == null) continue;
-
+				
 				if (!def.isLoaded()) {
-
+					
 					Log.f3("(loader) Scheduling... " + Support.str(def));
-
+					
 					exs.submit(new Runnable() {
-
+						
 						@Override
 						public void run()
 						{
@@ -115,15 +115,15 @@ public class AsyncResourceLoader extends Thread implements ResourceLoader, Destr
 						}
 					});
 				}
-
+				
 			} catch (final InterruptedException ignored) {
 				//
 			}
-
+			
 		}
 	}
-
+	
-
+	
 	// apparently, destroy method exists on thread :/
 	@SuppressWarnings("deprecation")
 	@Override
@@ -133,5 +133,5 @@ public class AsyncResourceLoader extends Thread implements ResourceLoader, Destr
 		stopped = true;
 		exs.shutdownNow();
 	}
-
+	
 }