Fixed some javadoc

src/junk/BaseApp.java

@@ -6,12 +6,12 @@ import java.lang.Thread.UncaughtExceptionHandler;
 import mightypork.gamecore.core.App;
 import mightypork.gamecore.core.AppBackend;
 import mightypork.gamecore.core.MainLoop;
-import mightypork.gamecore.core.WorkDir;
 import mightypork.gamecore.core.config.Config;
 import mightypork.gamecore.gui.screens.ScreenRegistry;
 import mightypork.gamecore.gui.screens.impl.CrossfadeOverlay;
 import mightypork.gamecore.resources.Res;
 import mightypork.gamecore.resources.ResourceSetup;
+import mightypork.utils.files.WorkDir;
 import mightypork.utils.logging.Log;
 
 
@@ -76,7 +76,7 @@ public abstract class BaseApp extends App implements UncaughtExceptionHandler {
 	 */
 	protected void initialize()
 	{
-		WorkDir.init(opt.workdir);
+		WorkDir.setBaseDir(opt.workdir);
 
 		if (opt.sigleInstance) initLock();
 		lockObtained = true;
@@ -135,10 +135,10 @@ public abstract class BaseApp extends App implements UncaughtExceptionHandler {
 		 */
 		Log.f1("Loading resources...");
 		if (opt.resourceLoader != null) {
-			opt.resourceLoader.init(this);
+			opt.resourceLoader.setBaseDir(this);
 		}
 
-		Res.init(this);
+		Res.setBaseDir(this);
 
 		for (final ResourceSetup rl : opt.resourceLists) {
 			Res.load(rl);

src/mightypork/gamecore/audio/AudioModule.java

@@ -82,7 +82,7 @@ public abstract class AudioModule extends BackendModule implements Updateable {
 	 */
 	public EffectPlayer createEffect(String resource, double pitch, double gain)
 	{
-		return new EffectPlayer(createResource(resource), pitch, gain, effectsVolume);
+		return new EffectPlayer(createAudio(resource), pitch, gain, effectsVolume);
 	}
 
 
@@ -98,7 +98,7 @@ public abstract class AudioModule extends BackendModule implements Updateable {
 	 */
 	public LoopPlayer createLoop(String resource, double pitch, double gain, double fadeIn, double fadeOut)
 	{
-		final LoopPlayer p = new LoopPlayer(createResource(resource), pitch, gain, loopsVolume);
+		final LoopPlayer p = new LoopPlayer(createAudio(resource), pitch, gain, loopsVolume);
 		p.setFadeTimes(fadeIn, fadeOut);
 		loopPlayers.add(p);
 		return p;
@@ -113,7 +113,7 @@ public abstract class AudioModule extends BackendModule implements Updateable {
 	 * @return the resource
 	 * @throws IllegalArgumentException if resource is already registered
 	 */
-	protected DeferredAudio createResource(String res)
+	protected DeferredAudio createAudio(String res)
 	{
 		final DeferredAudio a = doCreateResource(res);
 		App.bus().send(new ResourceLoadRequest(a));

src/mightypork/gamecore/audio/players/LoopPlayer.java

@@ -15,8 +15,6 @@ import mightypork.utils.math.animation.NumAnimated;
  */
 public class LoopPlayer extends BaseAudioPlayer implements Updateable, Pauseable {
 	
-	private final int sourceID = -1;
-	
 	/** animator for fade in and fade out */
 	private final NumAnimated fadeAnim = new NumAnimated(0);
 
@@ -61,7 +59,7 @@ public class LoopPlayer extends BaseAudioPlayer implements Updateable, Pauseable
 
 	private void initLoop()
 	{
-		if (hasAudio() && sourceID == -1) {
+		if (hasAudio()) {
 			getAudio().play(computePitch(1), computeGain(1), true);
 			getAudio().pauseLoop();
 		}
@@ -122,28 +120,28 @@ public class LoopPlayer extends BaseAudioPlayer implements Updateable, Pauseable
 	/**
 	 * Resume if paused, and fade in (pick up from current volume).
 	 *
-	 * @param secs
+	 * @param fadeTime fade time (s)
 	 */
-	public void fadeIn(double secs)
+	public void fadeIn(double fadeTime)
 	{
 		if (!hasAudio()) return;
 
 		if (isPaused()) fadeAnim.setTo(0);
 		resume();
-		fadeAnim.fadeIn(secs);
+		fadeAnim.fadeIn(fadeTime);
 	}
 
 
 	/**
 	 * Fade out and pause when reached zero volume
 	 *
-	 * @param secs fade duration
+	 * @param fadeTime fade time (s)
 	 */
-	public void fadeOut(double secs)
+	public void fadeOut(double fadeTime)
 	{
 		if (!hasAudio()) return;
 		if (isPaused()) return;
-		fadeAnim.fadeOut(secs);
+		fadeAnim.fadeOut(fadeTime);
 	}
 
 

src/mightypork/gamecore/core/App.java

@@ -30,14 +30,16 @@ public class App extends BusNode {
 	private final EventBus eventBus = new EventBus();
 	private boolean started = false;
 	
+	/** List of installed App plugins */
 	protected final DelegatingList plugins = new DelegatingList();
+	/** List of initializers */
 	protected final List<InitTask> initializers = new ArrayList<>();
 	
 	
 	/**
 	 * Create an app with given backend.
 	 *
-	 * @param backend
+	 * @param backend the backend to use
 	 */
 	public App(AppBackend backend)
 	{
@@ -56,8 +58,8 @@ public class App extends BusNode {
 		
 		// initialize and use backend
 		this.backend = backend;
-		this.eventBus.subscribe(backend);
 		this.backend.bind(this);
+		this.eventBus.subscribe(backend);
 		this.backend.initialize();
 	}
 	
@@ -84,7 +86,7 @@ public class App extends BusNode {
 	/**
 	 * Add an initializer to the app.
 	 *
-	 * @param initializer
+	 * @param initializer the added init task
 	 */
 	public void addInitTask(InitTask initializer)
 	{
@@ -128,11 +130,21 @@ public class App extends BusNode {
 		// sort initializers by order.
 		final List<InitTask> orderedInitializers = InitTask.inOrder(initializers);
 		
-		for (final InitTask initializer : orderedInitializers) {
+		for (final InitTask initTask : orderedInitializers) {
-			Log.f1("Running init task \"" + initializer.getName() + "\"...");
+			Log.f1("Running init task \"" + initTask.getName() + "\"...");
-			initializer.bind(this);
+			
-			initializer.init();
+			initTask.bind(this);
-			initializer.run();
+			
+			// 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();
 		}
 		
 		Log.i("=== Initialization sequence completed ===");

src/mightypork/gamecore/core/AppBackend.java

@@ -17,11 +17,12 @@ import mightypork.utils.eventbus.clients.BusNode;
  */
 public abstract class AppBackend extends BusNode {
 	
+	/** App instance assigned using <code>bind()</code> */
 	protected App app;
 	
 	
 	/**
-	 * Assign an app instance.
+	 * Assign the initialized app instance to an "app" field.
 	 *
 	 * @param app app
 	 */

src/mightypork/gamecore/core/AppPlugin.java

@@ -14,9 +14,15 @@ import mightypork.utils.eventbus.clients.BusNode;
  */
 public class AppPlugin extends BusNode {
 
+	/** App instance assigned using <code>bind()</code> */
 	protected App app;
 
 
+	/**
+	 * Assign the initialized app instance to an "app" field.
+	 *
+	 * @param app app
+	 */
 	void bind(App app)
 	{
 		this.app = app;

src/mightypork/gamecore/core/BackendModule.java

@@ -13,6 +13,12 @@ import mightypork.utils.interfaces.Destroyable;
  */
 public abstract class BackendModule extends BusNode implements Destroyable {
 
+	/**
+	 * Initialize the backend module.<br>
+	 * Any initialization that would normally be done in constructor shall be
+	 * done here, to avoid pitfalls with
+	 * "call to overridable method from constructor"
+	 */
 	public abstract void init();
 
 

src/mightypork/gamecore/core/InitTask.java

@@ -21,37 +21,61 @@ import mightypork.utils.logging.Log;
  */
 public abstract class InitTask {
 	
+	/** App instance assigned using <code>bind()</code> */
 	protected App app;
 
 
 	/**
-	 * Assign the initialized app instance to a protected "app" field.
+	 * Assign the initialized app instance to an "app" field.
 	 *
 	 * @param app app
 	 */
-	void bind(App app)
+	final void bind(App app)
 	{
 		this.app = app;
 	}
 
 
 	/**
-	 * An intialization method that is called before the run() method.<br>
+	 * 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
 	 * configure the init task when using it as anonymous inner type.
 	 */
 	@Stub
 	public void init()
 	{
+		//
 	}
 
 
 	/**
-	 * Run the initalizer on app.
+	 * Hook for extra action before the main task action.<br>
+	 * Can be overridden during app configuration to "bake-in" extra actions.
+	 */
+	@Stub
+	public void before()
+	{
+		//
+	}
+
+
+	/**
+	 * 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.
+	 */
+	@Stub
+	public void after()
+	{
+		//
+	}
+
+
 	/**
 	 * Get name of this initializer (for dependency resolver).<br>
 	 * The name should be short, snake_case and precise.

src/mightypork/gamecore/core/MainLoop.java

@@ -22,8 +22,16 @@ import mightypork.utils.math.timing.TimerDelta;
  */
 public class MainLoop extends BusNode implements Destroyable {
 
-	private static final double MAX_TIME_TASKS = 1 / 30D; // (avoid queue from hogging timing)
+	/**
-	private static final double MAX_DELTA = 1 / 20D; // (skip huge gaps caused by loading resources etc)
+	 * Max time spent on main loop tasks per cycle (s)
+	 */
+	protected double MAX_TIME_TASKS = 1 / 30D;
+
+	/**
+	 * Max delta time (s) per frame.<br>
+	 * If delta is larger than this, it's clamped to it.
+	 */
+	protected double MAX_DELTA = 1 / 20D;
 
 	private final Deque<Runnable> tasks = new ConcurrentLinkedDeque<>();
 	private TimerDelta timer;
@@ -55,19 +63,23 @@ public class MainLoop extends BusNode implements Destroyable {
 
 			double delta = timer.getDelta();
 			if (delta > MAX_DELTA) {
-				Log.f3("(timing) Cropping delta: was " + delta + " , limit " + MAX_DELTA);
+				Log.f3("(timing) Clamping delta: was " + delta + " s, MAX_DELTA = " + MAX_DELTA + " s");
 				delta = MAX_DELTA;
 			}
 
+			// dispatch update event
 			App.bus().sendDirect(new UpdateEvent(delta));
 
+			// run main loop tasks
 			Runnable r;
 			final long t = Profiler.begin();
+
 			while ((r = tasks.poll()) != null) {
 				Log.f3(" * Main loop task.");
 				r.run();
+
 				if (Profiler.end(t) > MAX_TIME_TASKS) {
-					Log.f3("! Postponing main loop tasks to next cycle.");
+					Log.f3("! Time's up, postponing task to next cycle.");
 					break;
 				}
 			}
@@ -113,17 +125,18 @@ public class MainLoop extends BusNode implements Destroyable {
 
 
 	/**
-	 * Add a task to queue to be executed in the main loop (OpenGL thread)
+	 * Add a task to queue to be executed in the main loop (in rendering
+	 * context)
 	 *
-	 * @param request task
+	 * @param task task
-	 * @param priority if true, skip other tasks
+	 * @param skipQueue true to skip the queue
 	 */
-	public synchronized void queueTask(Runnable request, boolean priority)
+	public synchronized void queueTask(Runnable task, boolean skipQueue)
 	{
-		if (priority) {
+		if (skipQueue) {
-			tasks.addFirst(request);
+			tasks.addFirst(task);
 		} else {
-			tasks.addLast(request);
+			tasks.addLast(task);
 		}
 	}
 

src/mightypork/gamecore/core/WorkDir.java

@@ -1,91 +0,0 @@
-package mightypork.gamecore.core;
-
-
-import java.io.File;
-import java.util.HashMap;
-import java.util.Map;
-
-import mightypork.utils.logging.Log;
-
-
-/**
- * Static application workdir accessor.
- * 
- * @author Ondřej Hruška (MightyPork)
- */
-public class WorkDir {
-	
-	private static File workdir;
-	private static Map<String, String> namedPaths = new HashMap<>();
-	
-	
-	public static void init(File workdir)
-	{
-		WorkDir.workdir = workdir;
-	}
-	
-	
-	/**
-	 * Add a path alias (dir or file), relative to the workdir.
-	 * 
-	 * @param alias path alias
-	 * @param path path relative to workdir
-	 */
-	public static void addPath(String alias, String path)
-	{
-		namedPaths.put(alias, path);
-	}
-	
-	
-	/**
-	 * Get workdir folder, create if not exists.
-	 * 
-	 * @param path dir path relative to workdir
-	 * @return dir file
-	 */
-	public static File getDir(String path)
-	{
-		if (namedPaths.containsKey(path)) path = namedPaths.get(path);
-		
-		final File f = new File(workdir, path);
-		if (!f.exists()) {
-			if (!f.mkdirs()) {
-				Log.w("Could not create a directory: " + f + " (path: " + path + ")");
-			}
-		}
-		
-		return f;
-	}
-	
-	
-	/**
-	 * Get workdir file, create parent if not exists.
-	 * 
-	 * @param path dir path relative to workdir
-	 * @return dir file
-	 */
-	public static File getFile(String path)
-	{
-		if (namedPaths.containsKey(path)) path = namedPaths.get(path);
-		
-		final File f = new File(workdir, path);
-		
-		// create the parent dir
-		if (!f.getParent().equals(workdir)) {
-			f.getParentFile().mkdirs();
-		}
-		
-		return f;
-		
-	}
-	
-	
-	/**
-	 * @return the workdir File
-	 */
-	public static File getWorkDir()
-	{
-		return workdir;
-	}
-	
-}

src/mightypork/gamecore/core/config/Config.java

@@ -4,13 +4,13 @@ package mightypork.gamecore.core.config;
 import java.util.HashMap;
 import java.util.Map;
 
-import mightypork.gamecore.core.WorkDir;
 import mightypork.gamecore.input.Key;
 import mightypork.gamecore.input.KeyStroke;
 import mightypork.utils.config.propmgr.Property;
 import mightypork.utils.config.propmgr.PropertyManager;
 import mightypork.utils.config.propmgr.PropertyStore;
 import mightypork.utils.config.propmgr.store.PropertyFile;
+import mightypork.utils.files.WorkDir;
 import mightypork.utils.logging.Log;
 
 
@@ -21,6 +21,7 @@ import mightypork.utils.logging.Log;
  */
 public class Config {
 
+	/** Array of configs registered for the app */
 	protected static Map<String, Config> configs = new HashMap<>();
 
 	private final Map<String, KeyStrokeProperty> strokes = new HashMap<>();
@@ -185,8 +186,8 @@ public class Config {
 	/**
 	 * Get an option for key
 	 *
-	 * @param key
+	 * @param key config key
-	 * @return option value
+	 * @return option values
 	 */
 	public <T> T getValue(String key)
 	{

src/mightypork/gamecore/core/config/KeyStrokeProperty.java

@@ -17,6 +17,13 @@ import mightypork.utils.config.propmgr.Property;
  */
 public class KeyStrokeProperty extends Property<KeyStroke> {
 
+	/**
+	 * Make a keystroke property
+	 *
+	 * @param key config key
+	 * @param defaultValue default keystroke value
+	 * @param comment property comment
+	 */
 	public KeyStrokeProperty(String key, KeyStroke defaultValue, String comment)
 	{
 		super(key, defaultValue, comment);

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

@@ -10,9 +10,7 @@ import mightypork.utils.logging.Log;
  * Shutdown event.<br>
  * This event is dispatched when the <code>App.shutdown()</code> method is
  * called. If no client consumes it, the shutdown will immediately follow.<br>
- * This is a way to allow clients to abort the shutdown (ie. ask user to save
+ * This is a way to allow clients to abort the shutdown (ie. ask to save game).
- * game). After the game is saved, the <code>App.shutdown()</code> method can be
- * called again.
  *
  * @author Ondřej Hruška (MightyPork)
  */
@@ -21,6 +19,11 @@ public class ShutdownEvent extends BusEvent<ShutdownListener> {
 	private final Runnable shutdownTask;
 	
 	
+	/**
+	 * Make a shutdown event
+	 *
+	 * @param doShutdown Task that does the actual shutdown
+	 */
 	public ShutdownEvent(Runnable doShutdown)
 	{
 		this.shutdownTask = doShutdown;

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

@@ -5,7 +5,7 @@ import java.io.File;
 import java.util.logging.Level;
 
 import mightypork.gamecore.core.InitTask;
-import mightypork.gamecore.core.WorkDir;
+import mightypork.utils.files.WorkDir;
 import mightypork.utils.logging.Log;
 import mightypork.utils.logging.writers.LogWriter;
 import mightypork.utils.string.StringUtil;

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

@@ -5,7 +5,7 @@ import java.io.IOException;
 
 import mightypork.gamecore.core.InitTask;
 import mightypork.gamecore.core.OptionalInitTask;
-import mightypork.gamecore.core.WorkDir;
+import mightypork.utils.files.WorkDir;
 import mightypork.utils.logging.Log;
 
 
@@ -30,7 +30,7 @@ public class InitTaskLogHeader extends InitTask {
 		txt += " Launch path ... " + System.getProperty("user.dir") + "\n";
 
 		try {
-			txt += " Workdir ....... " + WorkDir.getWorkDir().getCanonicalPath() + "\n";
+			txt += " Workdir ....... " + WorkDir.getBaseDir().getCanonicalPath() + "\n";
 		} catch (final IOException e) {
 			Log.e(e);
 		}

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

@@ -10,9 +10,9 @@ import javax.swing.JOptionPane;
 
 import mightypork.gamecore.core.App;
 import mightypork.gamecore.core.InitTask;
-import mightypork.gamecore.core.WorkDir;
 import mightypork.utils.annotations.Stub;
 import mightypork.utils.files.InstanceLock;
+import mightypork.utils.files.WorkDir;
 import mightypork.utils.logging.Log;
 
 
@@ -55,7 +55,7 @@ public class InitTaskWorkdir extends InitTask {
 	 * Set whether the workdir should be locked when the app is running, to
 	 * prevent other instances from running simultaneously.
 	 *
-	 * @param lock
+	 * @param lock true to use lock
 	 */
 	public void setInstanceLock(boolean lock)
 	{
@@ -66,7 +66,7 @@ public class InitTaskWorkdir extends InitTask {
 	/**
 	 * Set name of the lock file.
 	 *
-	 * @param lockFile
+	 * @param lockFile lock file name
 	 */
 	public void setLockFileName(String lockFile)
 	{
@@ -89,7 +89,7 @@ public class InitTaskWorkdir extends InitTask {
 	@Override
 	public void run()
 	{
-		WorkDir.init(workdirPath);
+		WorkDir.setBaseDir(workdirPath);
 
 		// lock working directory
 		if (doLock) {
@@ -122,7 +122,7 @@ public class InitTaskWorkdir extends InitTask {
 				"Another instance is already running.\n(Delete the "+lockFile +" file in the working directory to override)",
 				"Lock Error",
 				JOptionPane.ERROR_MESSAGE
-		);
+				);
 		//@formatter:on
 
 		App.shutdown();

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

@@ -2,7 +2,7 @@ package mightypork.gamecore.core.plugins.screenshot;
 
 
 import mightypork.gamecore.core.InitTask;
-import mightypork.gamecore.core.WorkDir;
+import mightypork.utils.files.WorkDir;
 
 
 /**

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

@@ -5,9 +5,9 @@ import java.io.File;
 import java.io.IOException;
 
 import mightypork.gamecore.core.App;
-import mightypork.gamecore.core.WorkDir;
 import mightypork.gamecore.graphics.Screenshot;
 import mightypork.utils.Support;
+import mightypork.utils.files.WorkDir;
 import mightypork.utils.logging.Log;
 
 

src/mightypork/gamecore/graphics/FullscreenToggleRequest.java

@@ -5,6 +5,12 @@ import mightypork.utils.eventbus.BusEvent;
 import mightypork.utils.eventbus.events.flags.SingleReceiverEvent;
 
 
+/**
+ * Event that will request fullscreen toggle in the graphics module.<br>
+ * FIXME the usefullness of this event is dubious.
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
 @SingleReceiverEvent
 public class FullscreenToggleRequest extends BusEvent<GraphicsModule> {
 	

src/mightypork/gamecore/graphics/GraphicsModule.java

@@ -2,6 +2,7 @@ package mightypork.gamecore.graphics;
 
 
 import mightypork.gamecore.core.BackendModule;
+import mightypork.gamecore.graphics.fonts.DeferredFont;
 import mightypork.gamecore.graphics.textures.DeferredTexture;
 import mightypork.gamecore.graphics.textures.TxQuad;
 import mightypork.gamecore.gui.events.ViewportChangeEvent;
@@ -22,8 +23,11 @@ import mightypork.utils.math.timing.FpsMeter;
  */
 public abstract class GraphicsModule extends BackendModule {
 
+	/** X axis vector */
 	protected static final VectConst AXIS_X = Vect.make(1, 0, 0);
+	/** Y axis vector */
 	protected static final VectConst AXIS_Y = Vect.make(0, 1, 0);
+	/** Z axis vector */
 	protected static final VectConst AXIS_Z = Vect.make(0, 0, 1);
 
 
@@ -257,18 +261,27 @@ public abstract class GraphicsModule extends BackendModule {
 
 
 	/**
-	 * Setup projection for 2D graphics, using current scren size
+	 * Setup projection for 2D graphics, using current screen size
 	 */
 	public abstract void setupProjection();
 
 
 	/**
-	 * Get backend-flavoured lazy texture
+	 * Get backend-flavoured deferred texture. This should support PNG images.
 	 *
 	 * @param path path to texture
-	 * @return the lazy texture
+	 * @return the deferred font
 	 */
-	public abstract DeferredTexture getLazyTexture(String path);
+	public abstract DeferredTexture createDeferredTexture(String path);
+
+
+	/**
+	 * Get backend-flavoured deferred font. This should support TTF fonts.
+	 *
+	 * @param path path to font, or font name in the system
+	 * @return the deferred font
+	 */
+	public abstract DeferredFont createDeferredFont(String path);
 
 
 	/**
@@ -378,7 +391,7 @@ public abstract class GraphicsModule extends BackendModule {
 
 
 	/**
-	 * Get screen center. Should always return the same Vect instance.
+	 * Get screen center. Should always return the same {@link Vect} instance.
 	 *
 	 * @return screen center.
 	 */
@@ -386,7 +399,7 @@ public abstract class GraphicsModule extends BackendModule {
 
 
 	/**
-	 * Get screen size. Should always return the same Vect instance.
+	 * Get screen size. Should always return the same {@link Vect} instance.
 	 *
 	 * @return size
 	 */

src/mightypork/gamecore/graphics/fonts/DeferredFont.java

@@ -6,16 +6,27 @@ import mightypork.gamecore.resources.BaseDeferredResource;
 
 
 /**
- * Abstract deferred font stub.
+ * Deferred font stub.
  *
  * @author Ondřej Hruška (MightyPork)
  */
 public abstract class DeferredFont extends BaseDeferredResource implements IFont {
 	
+	/**
+	 * Font style enum
+	 */
 	public static enum FontStyle
 	{
-		PLAIN(0), BOLD(1), ITALIC(2), BOLD_ITALIC(3);
+		/** Plan style */
-		
+		PLAIN(0),
+		/** Bold style */
+		BOLD(1),
+		/** Italic style */
+		ITALIC(2),
+		/** Bond and italic together */
+		BOLD_ITALIC(1 + 2);
+		
+		/** Number associated with the style */
 		public int numval;
 		
 		
@@ -31,53 +42,111 @@ public abstract class DeferredFont extends BaseDeferredResource implements IFont
 		}
 	}
 	
+	/**
+	 * Requested font size. For bitmap fonts, this should match the actual font
+	 * size (in pixels). The font can be scaled after loaded, but it may be
+	 * cached with this size.
+	 */
 	protected double size = 12;
+	
+	/** Requested font style. If not applicable, fall back to PLAIN */
 	protected FontStyle style = FontStyle.PLAIN;
+	
+	/**
+	 * Chars that are required to be loaded in the font. A space glyph must be
+	 * also added when loading.
+	 */
 	protected String chars = Glyphs.basic;
+	
+	/** Requested filtering mode */
 	protected FilterMode filter = FilterMode.NEAREST;
+	
+	/** Whether to use anti-aliasing for the font. */
 	protected boolean antialias = false;
+	
+	/**
+	 * Ratio of the font to discard at the top (how much of the glyphs height is
+	 * blank from top)
+	 */
 	protected double discardTop = 0;
+	
+	/**
+	 * Ratio of the font to discard at the bottom (how much of the glyphs height
+	 * is blank from bottom)
+	 */
 	protected double discardBottom = 0;
 	
 	
+	/**
+	 * Make a font from resource
+	 *
+	 * @param resource the font resource
+	 */
 	public DeferredFont(String resource)
 	{
 		super(resource);
 	}
 	
 	
-	public void setSize(double size)
+	/**
+	 * Set font size. If the font is backed by a texture, this is the size at
+	 * which the font is rendered to the texture. For bitmap fonts, this should
+	 * match the font height in px.
+	 *
+	 * @param size font size
+	 */
+	public final void setSize(double size)
 	{
 		this.size = size;
 	}
 	
 	
-	public void setStyle(FontStyle style)
+	/**
+	 * Set desired font style
+	 *
+	 * @param style style
+	 */
+	public final void setStyle(FontStyle style)
 	{
 		this.style = style;
 	}
 	
 	
-	public void setChars(String chars)
+	/**
+	 * Set what chars are to be loaded. The space glyph will be loaded always.
+	 *
+	 * @param chars String containing chars to load (duplicates are ignored)
+	 */
+	public final void setChars(String chars)
 	{
 		this.chars = chars;
 	}
 	
 	
-	public void setFilter(FilterMode filter)
+	/**
+	 * Set texture filtering mode. For bitmap fonts, set to NEAREST.
+	 *
+	 * @param filter filter mode.
+	 */
+	public final void setFilter(FilterMode filter)
 	{
 		this.filter = filter;
 	}
 	
 	
-	public void setAntialias(boolean antialias)
+	/**
+	 * Set whether to use antialiasing.
+	 *
+	 * @param antialias antialias
+	 */
+	public final void setAntialias(boolean antialias)
 	{
 		this.antialias = antialias;
 	}
 	
 	
 	@Override
-	public void setDiscardRatio(double top, double bottom)
+	public final void setDiscardRatio(double top, double bottom)
 	{
 		discardTop = top;
 		discardBottom = bottom;
@@ -85,14 +154,14 @@ public abstract class DeferredFont extends BaseDeferredResource implements IFont
 	
 	
 	@Override
-	public double getTopDiscardRatio()
+	public final double getTopDiscardRatio()
 	{
 		return discardTop;
 	}
 	
 	
 	@Override
-	public double getBottomDiscardRatio()
+	public final double getBottomDiscardRatio()
 	{
 		return discardBottom;
 	}

src/mightypork/gamecore/graphics/fonts/FontRegistry.java

@@ -20,7 +20,7 @@ public class FontRegistry extends BusNode {
 
 
 	/**
-	 * Load a {@link DeferredLwjglFont}
+	 * Load a {@link DeferredFont}
 	 *
 	 * @param key font key
 	 * @param font font instance
@@ -58,7 +58,7 @@ public class FontRegistry extends BusNode {
 
 
 	/**
-	 * Get a loaded {@link Texture}
+	 * Get a loaded {@link IFont}
 	 *
 	 * @param key texture key
 	 * @return the texture

src/mightypork/gamecore/graphics/fonts/Glyphs.java

@@ -2,22 +2,41 @@ package mightypork.gamecore.graphics.fonts;
 
 
 /**
- * Glyph tables, can be used for font loading.
+ * Glyph tables, can be used for font loading.<br>
+ * The font should also always add a space glyph.
  *
  * @author Ondřej Hruška (MightyPork)
  */
 public class Glyphs {
 
+	/** A-Z a-z */
 	public static final String latin = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+
+	/** Extra variants of latin glyphs */
 	public static final String latin_extra = "ŒÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜŸÝßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿĚŠČŘŽŤŇĎŮěščřžťňďůŁłđ";
+
+	/** 0-9 */
 	public static final String numbers = "0123456789";
+
+	/** Commonly used punctuation symbols */
 	public static final String punctuation = ".-,.?!:;\"'";
+
+	/** Less common punctuation symbols */
 	public static final String punctuation_extra = "()¿¡»«›‹“”‘’„…";
+	
+	/** Commonly used symbols (that are not included in punctuation) */
 	public static final String symbols = "[]{}#$%&§*+/<=>@\\^_|~°";
+
+	/** Less common symbols */
 	public static final String symbols_extra = "¥€£¢`ƒ†‡ˆ‰•¤¦¨ªº¹²³¬­¯±´µ¶·¸¼½¾×÷™©­®→↓←↑";
 
+	/** Latin, numbers, punctuation and symbols */
 	public static final String basic = latin + numbers + punctuation + symbols;
+
+	/** Extra glyphs to accompany "basic" */
 	public static final String extra = latin_extra + punctuation_extra + symbols_extra;
+
+	/** Basic + Extra */
 	public static final String all = basic + extra;
 
 }

src/mightypork/gamecore/graphics/textures/DeferredTexture.java

@@ -16,7 +16,9 @@ import mightypork.utils.math.constraints.rect.Rect;
 @MustLoadInRenderingContext
 public abstract class DeferredTexture extends BaseDeferredResource implements ITexture {
 	
+	/** Used filtering mode */
 	protected FilterMode filter = FilterMode.NEAREST;
+	/** Used wrapping mode */
 	protected WrapMode wrap = WrapMode.CLAMP;
 	
 	

src/mightypork/gamecore/graphics/textures/FilterMode.java

@@ -8,5 +8,8 @@ package mightypork.gamecore.graphics.textures;
  */
 public enum FilterMode
 {
-	LINEAR, NEAREST;
+	/** Smoothing, useful for photos */
+	LINEAR,
+	/** Sharp, useful for pixel art graphics */
+	NEAREST;
 }

src/mightypork/gamecore/graphics/textures/QuadGrid.java

@@ -5,7 +5,8 @@ import mightypork.utils.math.constraints.rect.Rect;
 
 
 /**
- * {@link TxQuad} and {@link TxSheet} building utility
+ * {@link TxQuad} and {@link TxSheet} building utility, that cuts a texture into
+ * equally sized quads.
  *
  * @author Ondřej Hruška (MightyPork)
  */
@@ -18,6 +19,11 @@ public class QuadGrid {
 	private final double tileH;
 	
 	
+	/**
+	 * @param tx backing texture
+	 * @param tilesX number of tile columns
+	 * @param tilesY number of tile rows
+	 */
 	public QuadGrid(ITexture tx, int tilesX, int tilesY)
 	{
 		this.tx = tx;

src/mightypork/gamecore/graphics/textures/TextureRegistry.java

@@ -27,8 +27,8 @@ public class TextureRegistry {
 	 * added to the bank.
 	 *
 	 * @param resourcePath resource path of the texture
-	 * @param filter
+	 * @param filter filtering mode
-	 * @param wrap
+	 * @param wrap wrapping mode
 	 * @return texture reference
 	 */
 	public ITexture addTexture(String resourcePath, FilterMode filter, WrapMode wrap)
@@ -43,15 +43,15 @@ public class TextureRegistry {
 	 *
 	 * @param key texture key, can be null.
 	 * @param resourcePath resource path of the texture
-	 * @param filter
+	 * @param filter filtering mode
-	 * @param wrap
+	 * @param wrap wrapping mode
 	 * @return texture reference
 	 */
 	public ITexture addTexture(String key, String resourcePath, FilterMode filter, WrapMode wrap)
 	{
 		if (key != null) if (textures.containsKey(key)) throw new KeyAlreadyExistsException();
 
-		final DeferredTexture texture = App.gfx().getLazyTexture(resourcePath);
+		final DeferredTexture texture = App.gfx().createDeferredTexture(resourcePath);
 		texture.setFilter(filter);
 		texture.setWrap(wrap);
 

src/mightypork/gamecore/graphics/textures/TxQuad.java

@@ -142,12 +142,18 @@ public class TxQuad {
 	}
 	
 	
+	/**
+	 * @return true if the quad is to be rendered flipped vertically
+	 */
 	public boolean isFlippedY()
 	{
 		return flipY;
 	}
 	
 	
+	/**
+	 * @return true if the quad is to be rendered flipped horizontally
+	 */
 	public boolean isFlippedX()
 	{
 		return flipX;
@@ -157,7 +163,7 @@ public class TxQuad {
 	/**
 	 * Use the same flit/other attributes as the original txQuad
 	 *
-	 * @param original
+	 * @param original quad to copy attributes from
 	 */
 	public void dupeAttrs(TxQuad original)
 	{

src/mightypork/gamecore/graphics/textures/TxSheet.java

@@ -7,7 +7,8 @@ import mightypork.utils.logging.Log;
 
 
 /**
- * Basic sprite sheet
+ * Basic sprite sheet (cuts a {@link TxQuad} to a number of same-sized
+ * sub-quads)
  *
  * @author Ondřej Hruška (MightyPork)
  */
@@ -22,6 +23,13 @@ public class TxSheet {
 	private final int count;
 	
 	
+	/**
+	 * Make a sprite sheet
+	 *
+	 * @param tx backing texture quad
+	 * @param width number of tiles horizontally
+	 * @param height number of tiles vertically
+	 */
 	public TxSheet(TxQuad tx, int width, int height)
 	{
 		this.original = tx;

src/mightypork/gamecore/graphics/textures/WrapMode.java

@@ -2,11 +2,15 @@ package mightypork.gamecore.graphics.textures;
 
 
 /**
- * Texture wrap mode
+ * Texture wrap mode (policy when rendered on larger area than can be covered by
+ * the texture)
  *
  * @author Ondřej Hruška (MightyPork)
  */
 public enum WrapMode
 {
-	CLAMP, REPEAT;
+	/** transparent in the overlap area */
+	CLAMP,
+	/** repeat the texture (tiling) */
+	REPEAT;
 }

src/mightypork/gamecore/gui/Action.java

@@ -5,7 +5,7 @@ import mightypork.utils.interfaces.Enableable;
 
 
 /**
- * Triggered action
+ * An {@link Enableable} runnable.
  *
  * @author Ondřej Hruška (MightyPork)
  */

src/mightypork/gamecore/gui/ActionGroup.java

@@ -7,6 +7,12 @@ import java.util.Set;
 import mightypork.utils.interfaces.Enableable;
 
 
+/**
+ * A group of enableable objects that propagates it's "enable" state to them
+ * all.
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
 public class ActionGroup implements Enableable {
 	
 	private boolean enabled = true;
@@ -30,9 +36,25 @@ public class ActionGroup implements Enableable {
 	}
 	
 	
-	public void add(Enableable action)
+	/**
+	 * Add an {@link Enableable} to the group
+	 *
+	 * @param member the object to add
+	 */
+	public void add(Enableable member)
 	{
-		groupMembers.add(action);
+		groupMembers.add(member);
+	}
+	
+	
+	/**
+	 * Remove a group member
+	 *
+	 * @param member the object to remove
+	 */
+	public void remove(Enableable member)
+	{
+		groupMembers.remove(member);
 	}
 	
 }

src/mightypork/gamecore/gui/HasAction.java

@@ -6,7 +6,7 @@ package mightypork.gamecore.gui;
  *
  * @author Ondřej Hruška (MightyPork)
  */
-public interface ActionTrigger {
+public interface HasAction {
 
 	/**
 	 * Assign an action

src/mightypork/gamecore/gui/components/BaseComponent.java

@@ -7,7 +7,6 @@ import mightypork.gamecore.gui.events.LayoutChangeEvent;
 import mightypork.gamecore.gui.events.LayoutChangeListener;
 import mightypork.utils.Support;
 import mightypork.utils.annotations.Stub;
-import mightypork.utils.interfaces.Enableable;
 import mightypork.utils.logging.Log;
 import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.num.Num;
@@ -23,7 +22,7 @@ import mightypork.utils.math.constraints.rect.proxy.RectProxy;
  *
  * @author Ondřej Hruška (MightyPork)
  */
-public abstract class BaseComponent extends AbstractRectCache implements Component, LayoutChangeListener, Enableable {
+public abstract class BaseComponent extends AbstractRectCache implements Component, LayoutChangeListener {
 
 	private Rect source;
 	private boolean visible = true;
@@ -33,6 +32,11 @@ public abstract class BaseComponent extends AbstractRectCache implements Compone
 	private Num alphaMul = Num.ONE;
 
 
+	/**
+	 * Create a base component.<br>
+	 * By default, disable caching to avoid problems with updating. Caching can
+	 * be enabled by individual components.
+	 */
 	public BaseComponent()
 	{
 		enableCaching(false);

src/mightypork/gamecore/gui/components/DynamicWidthComponent.java

@@ -1,7 +1,19 @@
 package mightypork.gamecore.gui.components;
 
 
+/**
+ * Component whose width is derived from content.<br>
+ * Used for Linear components.
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
 public interface DynamicWidthComponent extends Component {
 
+	/**
+	 * Get current width, if the element has specified height
+	 *
+	 * @param height current height
+	 * @return current width
+	 */
 	double computeWidth(double height);
 }

src/mightypork/gamecore/gui/components/InputComponent.java

@@ -2,10 +2,14 @@ package mightypork.gamecore.gui.components;
 
 
 import mightypork.utils.eventbus.clients.ToggleableClient;
-import mightypork.utils.interfaces.Enableable;
 
 
-public abstract class InputComponent extends BaseComponent implements Enableable, ToggleableClient {
+/**
+ * Component used for user input, such as buttons.
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
+public abstract class InputComponent extends BaseComponent implements ToggleableClient {
 
 	@Override
 	public boolean isListening()

src/mightypork/gamecore/gui/components/LayoutComponent.java

@@ -9,12 +9,22 @@ import mightypork.utils.eventbus.clients.DelegatingList;
 import mightypork.utils.math.constraints.rect.RectBound;
 
 
+/**
+ * Component that provides positioning to member components
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
 public abstract class LayoutComponent extends BaseComponent implements ClientHub {
 
 	private final DelegatingList clientList;
 	final LinkedList<Component> components = new LinkedList<>();
 
 
+	/**
+	 * Layout component with the given context (container)
+	 *
+	 * @param context context
+	 */
 	public LayoutComponent(RectBound context)
 	{
 		this.clientList = new DelegatingList();
@@ -23,6 +33,10 @@ public abstract class LayoutComponent extends BaseComponent implements ClientHub
 	}
 
 
+	/**
+	 * Component without context (can be assigned a context using
+	 * <code>setRect()</code>)
+	 */
 	public LayoutComponent()
 	{
 		this(null);

src/mightypork/gamecore/gui/components/LinearComponent.java

@@ -8,6 +8,12 @@ import mightypork.utils.math.constraints.vect.Vect;
 import mightypork.utils.math.constraints.vect.proxy.VectAdapter;
 
 
+/**
+ * A linear component, one whose height and origin can be set and it's width is
+ * adjusted accordingly.
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
 public abstract class LinearComponent extends BaseComponent implements DynamicWidthComponent {
 
 	private final Rect rect = new Rect() {
@@ -52,6 +58,9 @@ public abstract class LinearComponent extends BaseComponent implements DynamicWi
 	private Num height;
 
 
+	/**
+	 * Create a linear component
+	 */
 	public LinearComponent()
 	{
 		super.setRect(rect);
@@ -65,12 +74,22 @@ public abstract class LinearComponent extends BaseComponent implements DynamicWi
 	}
 
 
+	/**
+	 * Set component's height
+	 *
+	 * @param height the height
+	 */
 	public void setHeight(Num height)
 	{
 		this.height = height;
 	}
 
 
+	/**
+	 * Set component's origin
+	 *
+	 * @param origin origin
+	 */
 	public void setOrigin(Vect origin)
 	{
 		this.origin = origin;

src/mightypork/gamecore/gui/components/input/ClickableComponent.java

@@ -2,13 +2,13 @@ package mightypork.gamecore.gui.components.input;
 
 
 import mightypork.gamecore.gui.Action;
-import mightypork.gamecore.gui.ActionTrigger;
+import mightypork.gamecore.gui.HasAction;
 import mightypork.gamecore.gui.components.InputComponent;
 import mightypork.gamecore.input.events.MouseButtonEvent;
 import mightypork.gamecore.input.events.MouseButtonHandler;
 
 
-public abstract class ClickableComponent extends InputComponent implements ActionTrigger, MouseButtonHandler {
+public abstract class ClickableComponent extends InputComponent implements HasAction, MouseButtonHandler {
 
 	protected boolean btnDownOver;
 	private Action action;

src/mightypork/gamecore/gui/components/painters/ImagePainter.java

@@ -40,6 +40,11 @@ public class ImagePainter extends BaseComponent implements DynamicWidthComponent
 	}
 	
 	
+	/**
+	 * Set drawn {@link TxQuad}
+	 * 
+	 * @param txQuad the drawn quad
+	 */
 	public void setTxQuad(TxQuad txQuad)
 	{
 		this.txQuad = txQuad;

src/mightypork/gamecore/gui/events/LayoutChangeEvent.java

@@ -9,7 +9,9 @@ import mightypork.utils.eventbus.events.flags.NonRejectableEvent;
 
 /**
  * Intended use is to notify UI component sub-clients that they should poll
- * their cached constraints.
+ * their cached constraints.<br>
+ * Is {@link NonRejectableEvent} to force update even of hidden screens and
+ * layers.
  *
  * @author Ondřej Hruška (MightyPork)
  */
@@ -18,11 +20,6 @@ import mightypork.utils.eventbus.events.flags.NonRejectableEvent;
 @NonRejectableEvent
 public class LayoutChangeEvent extends BusEvent<LayoutChangeListener> {
 
-	public LayoutChangeEvent()
-	{
-	}
-	
-	
 	@Override
 	public void handleBy(LayoutChangeListener handler)
 	{

src/mightypork/gamecore/gui/events/LayoutChangeListener.java

@@ -1,7 +1,15 @@
 package mightypork.gamecore.gui.events;
 
 
+/**
+ * Receives notifications about layout change
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
 public interface LayoutChangeListener {
 	
+	/**
+	 * Triggered when display size changed and GUI should be recalculated.
+	 */
 	public void onLayoutChanged();
 }

src/mightypork/gamecore/gui/events/ScreenRequest.java

@@ -1,12 +1,13 @@
 package mightypork.gamecore.gui.events;
 
 
+import mightypork.gamecore.gui.screens.ScreenRegistry;
 import mightypork.utils.eventbus.BusEvent;
 import mightypork.utils.eventbus.events.flags.SingleReceiverEvent;
 
 
 /**
- * Request to change screen
+ * Request to change screen in {@link ScreenRegistry}
  *
  * @author Ondřej Hruška (MightyPork)
  */
@@ -17,6 +18,8 @@ public class ScreenRequest extends BusEvent<ScreenRequestListener> {
 	
 	
 	/**
+	 * Create a request to change screen
+	 *
 	 * @param screenKey screen name
 	 */
 	public ScreenRequest(String screenKey)

src/mightypork/gamecore/gui/screens/LayeredScreen.java

@@ -11,7 +11,8 @@ import mightypork.utils.eventbus.clients.DelegatingClient;
 
 
 /**
- * Screen with multiple instances of {@link ScreenLayer}
+ * Screen with multiple instances of {@link ScreenLayer}. Layers specify their
+ * rendering and event priority.
  *
  * @author Ondřej Hruška (MightyPork)
  */
@@ -46,6 +47,9 @@ public abstract class LayeredScreen extends Screen {
 	private final LayersClient layersClient = new LayersClient();
 
 
+	/**
+	 * Create a layered screen
+	 */
 	public LayeredScreen()
 	{
 		addChildClient(layersClient);
@@ -64,7 +68,7 @@ public abstract class LayeredScreen extends Screen {
 	/**
 	 * Add a layer to the screen.
 	 *
-	 * @param layer
+	 * @param layer the layer to add
 	 */
 	protected void addLayer(ScreenLayer layer)
 	{

src/mightypork/gamecore/gui/screens/Overlay.java

@@ -44,14 +44,16 @@ public abstract class Overlay extends BusNode implements Comparable<Overlay>, Up
 	/** Extra rendered items (outside root) */
 	protected final Collection<Renderable> rendered = new ArrayList<>();
 
-	/** Extra updated items (outside root - those can just implement Updateable) */
+	/** Extra updated items (not members of the component tree) */
 	protected final Collection<Updateable> updated = new ArrayList<>();
 	private Num alphaMul = Num.ONE;
 
 
+	/**
+	 * Create an overlay over the screen
+	 */
 	public Overlay()
 	{
-		
 		this.mouse = App.input().getMousePos();
 
 		this.root = new ConstraintLayout(App.gfx().getRect());
@@ -182,18 +184,31 @@ public abstract class Overlay extends BusNode implements Comparable<Overlay>, Up
 	}
 
 
+	/**
+	 * Set overlay's alpha multiplier
+	 *
+	 * @param alpha alpha multiplier
+	 */
 	public void setAlpha(Num alpha)
 	{
 		this.alphaMul = alpha;
 	}
 
 
+	/**
+	 * Set overlay's alpha multiplier
+	 *
+	 * @param alpha alpha multiplier
+	 */
 	public void setAlpha(double alpha)
 	{
 		this.alphaMul = Num.make(alpha);
 	}
 
 
+	/**
+	 * Show and set enabled
+	 */
 	public void show()
 	{
 		setVisible(true);
@@ -201,6 +216,9 @@ public abstract class Overlay extends BusNode implements Comparable<Overlay>, Up
 	}
 
 
+	/**
+	 * Hide and set disabled
+	 */
 	public void hide()
 	{
 		setVisible(false);

src/mightypork/gamecore/gui/screens/Screen.java

@@ -28,9 +28,12 @@ public abstract class Screen extends BusNode implements Renderable, RectBound, K
 	private volatile boolean needSetupViewport = false;
 	
 	
+	/**
+	 * Make a screen. The screen will initially not listen to the bus, which is
+	 * changed once the setActive method is set to true.
+	 */
 	public Screen()
 	{
-		
 		// disable events initially
 		setListening(false);
 		
@@ -134,6 +137,7 @@ public abstract class Screen extends BusNode implements Renderable, RectBound, K
 	@Stub
 	protected void onScreenEnter()
 	{
+		//
 	}
 	
 	
@@ -143,6 +147,7 @@ public abstract class Screen extends BusNode implements Renderable, RectBound, K
 	@Stub
 	protected void onScreenLeave()
 	{
+		//
 	}
 	
 	

src/mightypork/gamecore/gui/screens/impl/CrossfadeOverlay.java

@@ -5,6 +5,7 @@ import mightypork.gamecore.core.App;
 import mightypork.gamecore.gui.components.painters.QuadPainter;
 import mightypork.gamecore.gui.events.ScreenRequest;
 import mightypork.gamecore.gui.screens.Overlay;
+import mightypork.gamecore.gui.screens.ScreenRegistry;
 import mightypork.utils.math.animation.Easing;
 import mightypork.utils.math.animation.NumAnimated;
 import mightypork.utils.math.color.pal.RGB;
@@ -12,7 +13,7 @@ import mightypork.utils.math.timing.TimedTask;
 
 
 /**
- * Overlay used for cross-fading between screens
+ * Overlay used for cross-fading between screens in {@link ScreenRegistry}
  *
  * @author Ondřej Hruška (MightyPork)
  */
@@ -40,6 +41,9 @@ public class CrossfadeOverlay extends Overlay {
 	};
 
 
+	/**
+	 * Create new crossfade overlay
+	 */
 	public CrossfadeOverlay()
 	{
 		final QuadPainter qp = new QuadPainter(RGB.BLACK); // TODO allow custom colors
@@ -60,6 +64,12 @@ public class CrossfadeOverlay extends Overlay {
 	}
 
 
+	/**
+	 * Go to specified screen
+	 *
+	 * @param screen screen alias
+	 * @param fromDark true to fade from dark (ie. first screen in application)
+	 */
 	public void goToScreen(String screen, boolean fromDark)
 	{
 		requestedScreenName = screen;
@@ -77,7 +87,6 @@ public class CrossfadeOverlay extends Overlay {
 
 			alpha.setEasing(Easing.SINE_IN);
 			alpha.fadeIn(T_IN);
-			
 		}
 	}
 

src/mightypork/gamecore/gui/screens/impl/FadingLayer.java

@@ -45,7 +45,7 @@ public abstract class FadingLayer extends ScreenLayer {
 	/**
 	 * Create with default fading time and effect
 	 *
-	 * @param screen
+	 * @param screen the parent screen
 	 */
 	public FadingLayer(Screen screen)
 	{
@@ -54,7 +54,9 @@ public abstract class FadingLayer extends ScreenLayer {
 	
 	
 	/**
-	 * @param screen
+	 * Create with custom animator
+	 *
+	 * @param screen the parent screen
 	 * @param easingAnim the animation num
 	 */
 	public FadingLayer(Screen screen, NumAnimated easingAnim)

src/mightypork/gamecore/gui/screens/impl/LayerColor.java

@@ -7,11 +7,23 @@ import mightypork.gamecore.gui.screens.ScreenLayer;
 import mightypork.utils.math.color.Color;
 
 
+/**
+ * Screen overlay with a given color.
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
 public class LayerColor extends ScreenLayer {
 	
 	private final int zIndex;
 	
 	
+	/**
+	 * Overlay with color
+	 *
+	 * @param screen the parent screen
+	 * @param color the used color
+	 * @param zIndex z-index in the screen
+	 */
 	public LayerColor(Screen screen, Color color, int zIndex)
 	{
 		super(screen);