Removed junk & added Easing, Event system and others

src/mightypork/rogue/App.java

@@ -1,93 +1,57 @@
 package mightypork.rogue;
 
 
-import static org.lwjgl.opengl.GL11.*;
-
 import java.io.File;
 import java.io.RandomAccessFile;
-import java.nio.ByteBuffer;
 import java.nio.channels.FileLock;
 
 import javax.swing.JOptionPane;
 
-import mightypork.rogue.input.Keys;
-import mightypork.rogue.screens.ScreenSplash;
-import mightypork.rogue.sounds.SoundManager;
-import mightypork.rogue.threads.ThreadSaveScreenshot;
-import mightypork.rogue.threads.ThreadScreenshotTrigger;
+import mightypork.rogue.display.DisplaySystem;
+import mightypork.rogue.display.Screen;
+import mightypork.rogue.display.ScreenSplash;
+import mightypork.rogue.input.InputSystem;
+import mightypork.rogue.input.KeyStroke;
+import mightypork.rogue.input.events.MouseMotionEvent;
+import mightypork.rogue.sounds.SoundSystem;
+import mightypork.rogue.tasks.TaskTakeScreenshot;
+import mightypork.rogue.util.Utils;
 import mightypork.utils.logging.Log;
 import mightypork.utils.logging.LogInstance;
-import mightypork.utils.math.coord.Coord;
+import mightypork.utils.patterns.Destroyable;
+import mightypork.utils.patterns.subscription.MessageBus;
 import mightypork.utils.time.TimerDelta;
 import mightypork.utils.time.TimerInterpolating;
 
-import org.lwjgl.BufferUtils;
-import org.lwjgl.LWJGLException;
 import org.lwjgl.input.Keyboard;
-import org.lwjgl.input.Mouse;
-import org.lwjgl.openal.AL;
 import org.lwjgl.opengl.Display;
-import org.lwjgl.opengl.DisplayMode;
 
 
-public class App {
+public class App implements Destroyable {
 
-	/** instance */
-	public static App inst;
-	/** Current delta time (secs since last render) */
-	public static double currentDelta = 0;
+	/** instance pointer */
+	private static App inst;
 
-	private static DisplayMode windowDisplayMode = null;
+	private InputSystem input;
+	private SoundSystem sounds;
+	private DisplaySystem display;
+	private MessageBus events;
 
 	/** current screen */
-	public static Screen screen = null;
+	private Screen screen;
 
 	/** Flag that screenshot is scheduled to be taken next loop */
-	public static boolean scheduledScreenshot = false;
-
-
-	private static boolean lockInstance()
-	{
-		if (Config.SINGLE_INSTANCE == false) return true; // bypass lock
-
-		final File lockFile = new File(Paths.WORKDIR, ".lock");
-		try {
-			final RandomAccessFile randomAccessFile = new RandomAccessFile(lockFile, "rw");
-			final FileLock fileLock = randomAccessFile.getChannel().tryLock();
-			if (fileLock != null) {
-				Runtime.getRuntime().addShutdownHook(new Thread() {
-
-					@Override
-					public void run()
-					{
-						try {
-							fileLock.release();
-							randomAccessFile.close();
-							lockFile.delete();
-						} catch (Exception e) {
-							System.out.println("Unable to remove lock file.");
-							e.printStackTrace();
-						}
-					}
-				});
-				return true;
-			}
-		} catch (Exception e) {
-			System.out.println("Unable to create and/or lock file.");
-			e.printStackTrace();
-		}
-		return false;
-	}
+	private boolean scheduledScreenshot = false;
 
 
 	/**
-	 * Is if FS
+	 * Get the instance
 	 * 
-	 * @return is in fs
+	 * @return instance of App
 	 */
-	public static boolean isFullscreen()
+	public static App inst()
 	{
-		return Display.isFullscreen();
+		return inst;
 	}
 
 
@@ -116,24 +80,19 @@ public class App {
 	 */
 	public static void onCrash(Throwable error)
 	{
-		Log.e("The game has crashed.");
-
-		Log.e(error);
+		Log.e("The game has crashed.", error);
 
-		try {
-			inst.deinit();
-		} catch (Throwable t) {
-			// ignore
-		}
+		inst.exit();
 	}
 
 
 	/**
-	 * Quit to OS
+	 * Quit to OS<br>
+	 * Destroy app & exit VM
 	 */
 	public void exit()
 	{
-		deinit();
+		destroy();
 		System.exit(0);
 	}
 
@@ -143,58 +102,36 @@ public class App {
 	 * 
 	 * @return screen
 	 */
-	public Screen getScreen()
+	public Screen getCurrentScreen()
 	{
 		return screen;
 	}
 
 
-	/**
-	 * Get screen size
-	 * 
-	 * @return size
-	 */
-	public Coord getSize()
+	public void initialize()
 	{
-		return new Coord(Display.getWidth(), Display.getHeight());
+		Log.i("Initializing subsystems");
+		initLock();
+		initBus();
+		initLogger();
+		initDisplay();
+		initSound();
+		initInput();
 	}
 
 
-	private void init() throws LWJGLException
+	@Override
+	public void destroy()
 	{
-		// initialize main logger
-		LogInstance li = Log.create("runtime", Paths.LOGS, 10);
-		li.enable(Config.LOGGING_ENABLED);
-		li.enableSysout(Config.LOG_TO_STDOUT);
-
-		// initialize display
-		Display.setDisplayMode(windowDisplayMode = new DisplayMode(Const.WINDOW_SIZE_X, Const.WINDOW_SIZE_Y));
-		Display.setResizable(true);
-		Display.setVSyncEnabled(true);
-		Display.setTitle(Const.TITLEBAR);
-		Display.create();
-
-		if (Config.START_IN_FS) {
-			switchFullscreen();
-			Display.update();
-		}
-
-		// initialize inputs		
-		Mouse.create();
-		Keyboard.create();
-		Keyboard.enableRepeatEvents(false);
-
-		// initialize sound system
-		SoundManager.get().setListener(Const.LISTENER_POS);
-		SoundManager.get().setMasterVolume(1F);
-
-		// start async screenshot trigger listener
-		(new ThreadScreenshotTrigger()).start();
+		if (sounds != null) sounds.destroy();
+		if (input != null) input.destroy();
+		if (display != null) display.destroy();
 	}
 
 
-	private void start() throws LWJGLException
+	private void initLock()
 	{
+		if (!Config.SINGLE_INSTANCE) return;
 
 		if (!lockInstance()) {
 			System.out.println("Working directory is locked.\nOnly one instance can run at a time.");
@@ -211,207 +148,235 @@ public class App {
 			exit();
 			return;
 		}
+	}
 
-		init();
-		mainLoop();
-		deinit();
+
+	private boolean lockInstance()
+	{
+		final File lockFile = new File(Paths.WORKDIR, ".lock");
+		try {
+			final RandomAccessFile randomAccessFile = new RandomAccessFile(lockFile, "rw");
+			final FileLock fileLock = randomAccessFile.getChannel().tryLock();
+			if (fileLock != null) {
+				Runtime.getRuntime().addShutdownHook(new Thread() {
+
+					@Override
+					public void run()
+					{
+						try {
+							fileLock.release();
+							randomAccessFile.close();
+							lockFile.delete();
+						} catch (Exception e) {
+							System.err.println("Unable to remove lock file.");
+							e.printStackTrace();
+						}
+					}
+				});
+				return true;
+			}
+		} catch (Exception e) {
+			System.err.println("Unable to create and/or lock file.");
+			e.printStackTrace();
+		}
+		return false;
 	}
 
 
-	private void deinit()
+	/**
+	 * initialize inputs
+	 */
+	private void initBus()
 	{
-		Display.destroy();
-		Mouse.destroy();
-		Keyboard.destroy();
-		SoundManager.get().destroy();
-		AL.destroy();
+		events = new MessageBus();
+		events.addSubscriber(this);
+	}
+
+
+	/**
+	 * initialize sound system
+	 */
+	private void initSound()
+	{
+		sounds = new SoundSystem();
+		sounds.setMasterVolume(1);
+	}
+
+
+	/**
+	 * initialize inputs
+	 */
+	private void initInput()
+	{
+		input = new InputSystem();
+
+		input.bindKeyStroke(new KeyStroke(Keyboard.KEY_F2), new Runnable() {
+
+			@Override
+			public void run()
+			{
+				Log.f3("F2, taking screenshot.");
+				scheduledScreenshot = true;
+			}
+		});
+
+		input.bindKeyStroke(new KeyStroke(false, Keyboard.KEY_F11), new Runnable() {
+
+			@Override
+			public void run()
+			{
+				Log.f3("F11, toggling fullscreen.");
+				display.switchFullscreen();
+			}
+		});
+
+		input.bindKeyStroke(new KeyStroke(Keyboard.KEY_LCONTROL, Keyboard.KEY_Q), new Runnable() {
+
+			@Override
+			public void run()
+			{
+				Log.f3("CTRL+Q, shutting down.");
+				exit();
+			}
+		});
+	}
+
+
+	/**
+	 * initialize display
+	 */
+	private void initDisplay()
+	{
+		display = new DisplaySystem();
+		display.createMainWindow(Const.WINDOW_W, Const.WINDOW_H, true, Config.START_IN_FS, Const.TITLEBAR);
+		display.setTargetFps(Const.FPS_RENDER);
+	}
+
+
+	/**
+	 * initialize main logger
+	 */
+	private void initLogger()
+	{
+		LogInstance li = Log.create("runtime", Paths.LOGS, 10);
+		li.enable(Config.LOGGING_ENABLED);
+		li.enableSysout(Config.LOG_TO_STDOUT);
+	}
+
+
+	private void start()
+	{
+		initialize();
+		mainLoop();
+		exit();
 	}
 
 	/** timer */
 	private TimerDelta timerRender;
 	private TimerInterpolating timerGui;
 
-	private int timerAfterResize = 0;
-
 
 	private void mainLoop()
 	{
 		screen = new ScreenSplash();
 
-		screen.init();
+		screen.setActive(true);
 
 		timerRender = new TimerDelta();
 		timerGui = new TimerInterpolating(Const.FPS_GUI_UPDATE);
 
-		while (!Display.isCloseRequested()) {
-			glLoadIdentity();
-			glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+		while (!display.isCloseRequested()) {
+			display.beginFrame();
 
+			// gui update
 			timerGui.sync();
-
 			int ticks = timerGui.getSkipped();
-
 			if (ticks >= 1) {
-				screen.updateGui();
+				input.poll();
 				timerGui.startNewFrame();
 			}
 
-			currentDelta = timerRender.getDelta();
+			double delta = timerRender.getDelta();
 
-			// RENDER
-			screen.render(currentDelta);
-			SoundManager.get().update(currentDelta);
+			sounds.update(delta);
 
-			Display.update();
+			// Screen
+			screen.update(delta);
 
 			if (scheduledScreenshot) {
 				takeScreenshot();
 				scheduledScreenshot = false;
 			}
 
-			if (Keys.justPressed(Keyboard.KEY_F11)) {
-				Log.f2("F11, toggle fullscreen.");
-				switchFullscreen();
-				screen.onFullscreenChange();
-				Keys.destroyChangeState(Keyboard.KEY_F11);
-			}
-
-			if (Keyboard.isKeyDown(Keyboard.KEY_LCONTROL)) {
-				if (Keyboard.isKeyDown(Keyboard.KEY_Q)) {
-					Log.f2("Ctrl+Q, force quit.");
-					Keys.destroyChangeState(Keyboard.KEY_Q);
-					exit();
-					return;
-				}
-
-//				if (Keyboard.isKeyDown(Keyboard.KEY_M)) {
-//					Log.f2("Ctrl+M, go to main menu.");
-//					Keys.destroyChangeState(Keyboard.KEY_M);
-//					replaceScreen(new ScreenMenuMain());
-//				}
-
-				if (Keyboard.isKeyDown(Keyboard.KEY_F)) {
-					Log.f2("Ctrl+F, switch fullscreen.");
-					Keys.destroyChangeState(Keyboard.KEY_F);
-					switchFullscreen();
-					screen.onFullscreenChange();
-				}
-			}
-
-			if (Display.wasResized()) {
-				screen.onWindowResize();
-				timerAfterResize = 0;
-			} else {				// ensure screen has even size
-				timerAfterResize++;
-				if (timerAfterResize > Const.FPS_GUI_UPDATE * 0.3) {
-					timerAfterResize = 0;
-					int x = Display.getX();
-					int y = Display.getY();
-
-					int w = Display.getWidth();
-					int h = Display.getHeight();
-					if (w % 2 != 0 || h % 2 != 0) {
-						try {
-							Display.setDisplayMode(windowDisplayMode = new DisplayMode(w - w % 2, h - h % 2));
-							screen.onWindowResize();
-							Display.setLocation(x, y);
-						} catch (LWJGLException e) {
-							e.printStackTrace();
-						}
-					}
-				}
-			}
-
-			try {
-				Display.sync(Const.FPS_RENDER);
-			} catch (Throwable t) {
-				Log.e("Your graphics card driver does not support fullscreen properly.", t);
-
-				try {
-					Display.setDisplayMode(windowDisplayMode);
-				} catch (LWJGLException e) {
-					Log.e("Error going back from corrupted fullscreen.");
-					onCrash(e);
-				}
-			}
+			display.endFrame();
 		}
 	}
 
 
-// UPDATE LOOP END
-
 	/**
 	 * Do take a screenshot
 	 */
 	public void takeScreenshot()
 	{
-		//Effects.play("gui.screenshot");
+		sounds.getEffect("gui.shutter").play(1);
+		Utils.runAsThread(new TaskTakeScreenshot());
+	}
+
 
-		glReadBuffer(GL_FRONT);
-		int width = Display.getDisplayMode().getWidth();
-		int height = Display.getDisplayMode().getHeight();
-		int bpp = 4; // Assuming a 32-bit display with a byte each for red, green, blue, and alpha.
-		ByteBuffer buffer = BufferUtils.createByteBuffer(width * height * bpp);
-		glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+	//
+	//  static accessors
+	//
 
-		(new ThreadSaveScreenshot(buffer, width, height, bpp)).start();
+	/**
+	 * @return sound system of the running instance
+	 */
+	public static SoundSystem soundsys()
+	{
+		return inst.sounds;
 	}
 
 
 	/**
-	 * Replace screen
-	 * 
-	 * @param newScreen new screen
+	 * @return input system of the running instance
 	 */
-	public void replaceScreen(Screen newScreen)
+	public static InputSystem input()
 	{
-		screen = newScreen;
-		screen.init();
+		return inst.input;
 	}
 
 
 	/**
-	 * Replace screen, don't init it
-	 * 
-	 * @param newScreen new screen
+	 * @return display system of the running instance
 	 */
-	public void replaceScreenNoInit(Screen newScreen)
+	public static DisplaySystem disp()
 	{
-		screen = newScreen;
+		return inst.display;
 	}
 
 
 	/**
-	 * Toggle FS if possible
+	 * @return event bus of the running instance
 	 */
-	public void switchFullscreen()
+	public static MessageBus msgbus()
 	{
-		try {
-			if (!Display.isFullscreen()) {
-				Log.f3("Entering fullscreen.");
-				// save window resize
-				windowDisplayMode = new DisplayMode(Display.getWidth(), Display.getHeight());
-
-				Display.setDisplayMode(Display.getDesktopDisplayMode());
-				Display.setFullscreen(true);
-				Display.update();
-//				
-//				
-//				DisplayMode mode = Display.getDesktopDisplayMode(); //findDisplayMode(WIDTH, HEIGHT);
-//				Display.setDisplayModeAndFullscreen(mode);
-			} else {
-				Log.f3("Leaving fullscreen.");
-				Display.setDisplayMode(windowDisplayMode);
-				Display.update();
-			}
-		} catch (Throwable t) {
-			Log.e("Failed to toggle fullscreen mode.", t);
-			try {
-				Display.setDisplayMode(windowDisplayMode);
-				Display.update();
-			} catch (Throwable t1) {
-				onCrash(t1);
-			}
-		}
+		return inst.events;
 	}
+
+
+	/**
+	 * @return screen of the running instance
+	 */
+	public static Screen screen()
+	{
+		return inst.getCurrentScreen();
+	}
+
+
+	public static boolean broadcast(Object message)
+	{
+		boolean was = msgbus().broadcast(message);
+		if (!was) Log.w("Message not accepted by any channel: " + message);
+		return was;
+	}
+
 }

src/mightypork/rogue/Const.java

@@ -1,9 +1,6 @@
 package mightypork.rogue;
 
 
-import mightypork.utils.math.coord.Coord;
-
-
 /**
  * Application constants
  * 
@@ -18,12 +15,10 @@ public class Const {
 	public static final String TITLEBAR = APP_NAME + " v." + VERSION;
 
 	// AUDIO
-	public static final Coord LISTENER_POS = Coord.ZERO;
-
 	public static final int FPS_RENDER = 200; // max
 	public static final long FPS_GUI_UPDATE = 60;
 
 	// INITIAL WINDOW SIZE
-	public static final int WINDOW_SIZE_X = 1024;
-	public static final int WINDOW_SIZE_Y = 768;
+	public static final int WINDOW_W = 1024;
+	public static final int WINDOW_H = 768;
 }

src/mightypork/rogue/CrashHandler.java

@@ -9,6 +9,7 @@ public class CrashHandler implements UncaughtExceptionHandler {
 	@Override
 	public void uncaughtException(Thread t, Throwable e)
 	{
+		e.printStackTrace();
 		App.onCrash(e);
 	}
 

src/mightypork/rogue/Screen.java

@@ -1,200 +0,0 @@
-package mightypork.rogue;
-
-
-import static org.lwjgl.opengl.GL11.*;
-
-import java.util.Random;
-
-import mightypork.rogue.animations.GUIRenderer;
-import mightypork.rogue.input.InputHandler;
-import mightypork.rogue.input.Keys;
-import mightypork.utils.math.coord.Coord;
-import mightypork.utils.math.coord.Vec;
-
-import org.lwjgl.input.Keyboard;
-import org.lwjgl.input.Mouse;
-
-
-/**
- * Screen class.<br>
- * Screen animates 3D world, while contained panels render 2D overlays, process
- * inputs and run the game logic.
- * 
- * @author MightyPork
- */
-public abstract class Screen implements GUIRenderer, InputHandler {
-
-	/** RNG */
-	protected static Random rand = new Random();
-
-
-	/**
-	 * handle fullscreen change
-	 */
-	@Override
-	public final void onFullscreenChange()
-	{
-		onWindowResize();
-		onViewportChanged();
-	}
-
-
-	protected abstract void onViewportChanged();
-
-
-	/**
-	 * handle window resize.
-	 */
-	public final void onWindowResize()
-	{
-		glMatrixMode(GL_PROJECTION);
-		glLoadIdentity();
-
-		Coord s = App.inst.getSize();
-
-		glViewport(0, 0, s.xi(), s.yi());
-
-		glOrtho(0, s.x, 0, s.y, -1000, 1000);
-
-		glMatrixMode(GL_MODELVIEW);
-
-		glLoadIdentity();
-
-		glEnable(GL_BLEND);
-		//glDisable(GL_DEPTH_TEST);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glDisable(GL_TEXTURE_2D);
-	}
-
-
-	/**
-	 * Initialize screen
-	 */
-	public void init()
-	{
-		onWindowResize();
-
-		initScreen();
-
-		// SETUP LIGHTS
-		glDisable(GL_LIGHTING);
-
-		// OTHER SETTINGS
-		glMatrixMode(GL_MODELVIEW);
-		glLoadIdentity();
-
-		glClearDepth(1f);
-		glEnable(GL_DEPTH_TEST);
-		glDepthFunc(GL_LEQUAL);
-
-		glEnable(GL_NORMALIZE);
-
-		glShadeModel(GL_SMOOTH);
-		glDisable(GL_TEXTURE_2D);
-	}
-
-
-	/**
-	 * Here you can initialize the screen.
-	 */
-	public abstract void initScreen();
-
-
-	/**
-	 * Update tick
-	 */
-	@Override
-	public final void updateGui()
-	{
-		Mouse.poll();
-		Keyboard.poll();
-		checkInputEvents();
-
-		onGuiUpdate();
-	}
-
-
-	protected abstract void onGuiUpdate();
-
-
-	/**
-	 * Render screen
-	 * 
-	 * @param delta delta time (position between two update ticks, to allow
-	 *            super-smooth animations)
-	 */
-	@Override
-	public final void render(double delta)
-	{
-		glPushAttrib(GL_ENABLE_BIT);
-
-		// draw the directly rendered 3D stuff
-		render3D();
-
-		glPopAttrib();
-	}
-
-
-	protected abstract void render3D();
-
-
-	/**
-	 * Check input events and process them.
-	 */
-	private final void checkInputEvents()
-	{
-		while (Keyboard.next()) {
-			int key = Keyboard.getEventKey();
-			boolean down = Keyboard.getEventKeyState();
-			char c = Keyboard.getEventCharacter();
-			Keys.onKey(key, down);
-			onKey(key, c, down);
-		}
-		while (Mouse.next()) {
-			int button = Mouse.getEventButton();
-			boolean down = Mouse.getEventButtonState();
-			Coord delta = new Coord(Mouse.getEventDX(), Mouse.getEventDY());
-			Coord pos = new Coord(Mouse.getEventX(), Mouse.getEventY());
-			int wheeld = Mouse.getEventDWheel();
-
-			onMouseButton(button, down, wheeld, pos, delta);
-		}
-
-		int xc = Mouse.getX();
-		int yc = Mouse.getY();
-		int xd = Mouse.getDX();
-		int yd = Mouse.getDY();
-		int wd = Mouse.getDWheel();
-
-		if (Math.abs(xd) > 0 || Math.abs(yd) > 0 || Math.abs(wd) > 0) {
-			onMouseMove(new Coord(xc, yc), new Vec(xd, yd), wd);
-		}
-
-		handleKeyStates();
-	}
-
-
-	@Override
-	public abstract void onKey(int key, char c, boolean down);
-
-
-	@Override
-	public abstract void onMouseButton(int button, boolean down, int wheeld, Coord pos, Coord delta);
-
-
-	@Override
-	public abstract void handleKeyStates();
-
-
-	@Override
-	public abstract void onMouseMove(Coord coord, Vec vec, int wd);
-
-
-	/**
-	 * Render background 2D (all is ready for rendering)
-	 * 
-	 * @param delta delta time
-	 */
-	protected abstract void render2D(double delta);
-
-}

src/mightypork/rogue/animations/EmptyAnimator.java

@@ -1,30 +0,0 @@
-package mightypork.rogue.animations;
-
-
-/**
- * Empty animation (no effect)
- * 
- * @author MightyPork
- */
-public class EmptyAnimator implements GUIRenderer {
-
-	/**
-	 * New empty animation
-	 */
-	public EmptyAnimator() {}
-
-
-	@Override
-	public void updateGui()
-	{}
-
-
-	@Override
-	public void render(double delta)
-	{}
-
-
-	@Override
-	public void onFullscreenChange()
-	{}
-}

src/mightypork/rogue/animations/GUIRenderer.java

@@ -1,13 +0,0 @@
-package mightypork.rogue.animations;
-
-
-public interface GUIRenderer {
-
-	public void updateGui();
-
-
-	public void render(double delta);
-
-
-	public void onFullscreenChange();
-}

src/mightypork/rogue/display/DisplaySystem.java

@@ -0,0 +1,200 @@
+package mightypork.rogue.display;
+
+
+import static org.lwjgl.opengl.GL11.*;
+
+import java.awt.image.BufferedImage;
+import java.nio.ByteBuffer;
+
+import org.lwjgl.BufferUtils;
+import org.lwjgl.LWJGLException;
+import org.lwjgl.opengl.Display;
+import org.lwjgl.opengl.DisplayMode;
+
+import mightypork.rogue.App;
+import mightypork.rogue.Const;
+import mightypork.rogue.display.events.ScreenChangeEvent;
+import mightypork.utils.logging.Log;
+import mightypork.utils.math.coord.Coord;
+import mightypork.utils.patterns.Destroyable;
+import mightypork.utils.patterns.Initializable;
+import mightypork.utils.time.Updateable;
+
+
+public class DisplaySystem implements Initializable, Destroyable {
+
+	private boolean initialized;
+	
+	private DisplayMode windowDisplayMode;
+	private int targetFps;
+	
+	
+	public DisplaySystem() {
+		initialize();
+	}
+
+	@Override
+	public void initialize()
+	{
+		if(initialized) return;
+		
+		initChannels();
+		
+		initialized = true;
+	}
+	
+	/**
+	 * Initialize event channels
+	 */
+	private void initChannels()
+	{
+		App.msgbus().registerMessageType(ScreenChangeEvent.class, ScreenChangeEvent.Listener.class);
+	}
+
+	@Override
+	public void destroy()
+	{
+		Display.destroy();
+	}
+
+
+	public void setTargetFps(int fps)
+	{
+		this.targetFps = fps;
+	}
+
+
+	public void createMainWindow(int width, int height, boolean resizable, boolean fullscreen, String title)
+	{
+		try {
+			Display.setDisplayMode(windowDisplayMode = new DisplayMode(width, height));
+			Display.setResizable(resizable);
+			Display.setVSyncEnabled(true);
+			Display.setTitle(title);
+			Display.create();
+
+			if (fullscreen) {
+				switchFullscreen();
+				Display.update();
+			}
+		} catch (LWJGLException e) {
+			throw new RuntimeException("Could not initialize screen", e);
+		}
+	}
+
+
+	/**
+	 * Toggle FS if possible
+	 */
+	public void switchFullscreen()
+	{
+		try {
+
+			if (!Display.isFullscreen()) {
+				Log.f3("Entering fullscreen.");
+				// save window resize
+				windowDisplayMode = new DisplayMode(Display.getWidth(), Display.getHeight());
+
+				Display.setDisplayMode(Display.getDesktopDisplayMode());
+				Display.setFullscreen(true);
+				Display.update();
+			} else {
+				Log.f3("Leaving fullscreen.");
+				Display.setDisplayMode(windowDisplayMode);
+				Display.update();
+			}
+			
+			App.broadcast(new ScreenChangeEvent(true, Display.isFullscreen(), getSize()));
+
+		} catch (Throwable t) {
+			Log.e("Failed to toggle fullscreen mode.", t);
+			try {
+				Display.setDisplayMode(windowDisplayMode);
+				Display.update();
+			} catch (Throwable t1) {
+				throw new RuntimeException("Failed to revert failed fullscreen toggle.", t1);
+			}
+		}
+	}
+
+
+	public BufferedImage takeScreenshot()
+	{
+		glReadBuffer(GL_FRONT);
+		int width = Display.getDisplayMode().getWidth();
+		int height = Display.getDisplayMode().getHeight();
+		int bpp = 4; // Assuming a 32-bit display with a byte each for red, green, blue, and alpha.
+		ByteBuffer buffer = BufferUtils.createByteBuffer(width * height * bpp);
+		glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+		BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+
+		// convert to a buffered image
+		for (int x = 0; x < width; x++) {
+			for (int y = 0; y < height; y++) {
+				int i = (x + (width * y)) * bpp;
+				int r = buffer.get(i) & 0xFF;
+				int g = buffer.get(i + 1) & 0xFF;
+				int b = buffer.get(i + 2) & 0xFF;
+				image.setRGB(x, height - (y + 1), (0xFF << 24) | (r << 16) | (g << 8) | b);
+			}
+		}
+
+		return image;
+	}
+
+
+	/**
+	 * @return true if close was requested (i.e. click on cross)
+	 */
+	public boolean isCloseRequested()
+	{
+		return Display.isCloseRequested();
+	}
+
+
+	/**
+	 * Get fullscreen state
+	 * 
+	 * @return is fullscreen
+	 */
+	public boolean isFullscreen()
+	{
+		return Display.isFullscreen();
+	}
+
+
+	/**
+	 * Get screen size
+	 * 
+	 * @return size
+	 */
+	public Coord getSize()
+	{
+		return new Coord(Display.getWidth(), Display.getHeight());
+	}
+
+
+	/**
+	 * Start a OpenGL frame
+	 */
+	public void beginFrame()
+	{
+		if(Display.wasResized()) {
+			App.broadcast(new ScreenChangeEvent(false, Display.isFullscreen(), getSize()));
+		}
+		
+		glLoadIdentity();
+		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	}
+
+
+	/**
+	 * End an OpenGL frame, flip buffers, sync to fps.
+	 */
+	public void endFrame()
+	{
+		Display.update(false); // don't poll input devices
+		Display.sync(targetFps);
+	}
+}

src/mightypork/rogue/display/Screen.java

@@ -0,0 +1,214 @@
+package mightypork.rogue.display;
+
+
+import static org.lwjgl.opengl.GL11.*;
+
+import java.util.Random;
+
+import mightypork.rogue.App;
+import mightypork.rogue.display.events.ScreenChangeEvent;
+import mightypork.rogue.input.KeyBinder;
+import mightypork.rogue.input.KeyBindingPool;
+import mightypork.rogue.input.KeyStroke;
+import mightypork.rogue.input.events.KeyboardEvent;
+import mightypork.rogue.input.events.MouseMotionEvent;
+import mightypork.rogue.input.events.MouseButtonEvent;
+import mightypork.utils.math.coord.Coord;
+import mightypork.utils.patterns.Destroyable;
+import mightypork.utils.patterns.Initializable;
+import mightypork.utils.time.Updateable;
+
+
+/**
+ * Screen class.<br>
+ * Screen animates 3D world, while contained panels render 2D overlays, process
+ * inputs and run the game logic.
+ * 
+ * @author MightyPork
+ */
+public abstract class Screen implements KeyBinder, Updateable, Initializable, KeyboardEvent.Listener, MouseMotionEvent.Listener, MouseButtonEvent.Listener, ScreenChangeEvent.Listener {
+
+	private KeyBindingPool keybindings = new KeyBindingPool();
+
+	private boolean active;
+
+
+	public Screen() {
+		initialize();
+	}
+
+
+	@Override
+	public void bindKeyStroke(KeyStroke stroke, Runnable task)
+	{
+		keybindings.bindKeyStroke(stroke, task);
+	}
+
+
+	@Override
+	public void unbindKeyStroke(KeyStroke stroke)
+	{
+		keybindings.unbindKeyStroke(stroke);
+	}
+
+
+	/**
+	 * Prepare for being shown
+	 * @param shown true to show, false to hide
+	 */
+	public final void setActive(boolean shown)
+	{
+		if (shown) {
+			active = true;
+			setupGraphics();
+			setupViewport();
+			onSizeChanged(App.disp().getSize());
+			onEnter();
+			App.msgbus().addSubscriber(this);
+		} else {
+			active = false;
+			onLeave();
+			App.msgbus().removeSubscriber(this);
+		}
+	}
+
+
+	private void setupGraphics()
+	{
+		glMatrixMode(GL_MODELVIEW);
+		glLoadIdentity();
+
+		glDisable(GL_LIGHTING);
+
+		glClearDepth(1f);
+		glEnable(GL_DEPTH_TEST);
+		glDepthFunc(GL_LEQUAL);
+
+		glEnable(GL_NORMALIZE);
+
+		glShadeModel(GL_SMOOTH);
+
+		glEnable(GL_BLEND);
+		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+		glDisable(GL_TEXTURE_2D);
+
+		setupViewport();
+	}
+
+
+	private void setupViewport()
+	{
+		// fix projection for changed size
+		glMatrixMode(GL_PROJECTION);
+		glLoadIdentity();
+		Coord s = App.disp().getSize();
+		glViewport(0, 0, s.xi(), s.yi());
+		glOrtho(0, s.x, 0, s.y, -1000, 1000);
+
+		// back to modelview
+		glMatrixMode(GL_MODELVIEW);
+	}
+
+	
+	/**
+	 * Initialize screen layout and key bindings.<br>
+	 * Called when the screen is created, not when it comes to front. For that, use onEnter().
+	 */
+	@Override
+	public abstract void initialize();
+
+	/**
+	 * Called when the screen becomes active
+	 */
+	protected abstract void onEnter();
+
+
+	/**
+	 * Called when the screen is no longer active
+	 */
+	protected abstract void onLeave();
+
+
+	/**
+	 * Update GUI for new screen size
+	 * 
+	 * @param size screen size
+	 */
+	protected abstract void onSizeChanged(Coord size);
+
+
+	/**
+	 * Render screen contents (context is ready for 2D rendering)
+	 */
+	protected abstract void renderScreen();
+
+
+	/**
+	 * Update animations and timing
+	 * 
+	 * @param delta time elapsed
+	 */
+	protected abstract void updateScreen(double delta);
+
+
+	/**
+	 * Render screen
+	 */
+	private final void renderBegin()
+	{
+		glPushAttrib(GL_ENABLE_BIT);
+		glPushMatrix();
+	}
+
+
+	/**
+	 * Render screen
+	 */
+	private final void renderEnd()
+	{
+		glPopAttrib();
+		glPopMatrix();
+	}
+
+
+	@Override
+	public final void update(double delta)
+	{
+		if (!isActive()) return;
+
+		updateScreen(delta);
+		renderBegin();
+		renderScreen();
+		renderEnd();
+	};
+
+
+	/**
+	 * @return true if screen is the curretn screen
+	 */
+	protected final boolean isActive()
+	{
+		return active;
+	}
+
+
+	@Override
+	public final void receive(ScreenChangeEvent event)
+	{
+		if (!isActive()) return;
+
+		setupViewport();
+
+		onSizeChanged(event.getScreenSize());
+	}
+
+
+	@Override
+	public final void receive(KeyboardEvent event)
+	{
+		if (!isActive()) return;
+		keybindings.receive(event);
+	}
+
+}

src/mightypork/rogue/display/ScreenSplash.java

@@ -0,0 +1,168 @@
+package mightypork.rogue.display;
+
+
+import org.lwjgl.input.Keyboard;
+import org.lwjgl.input.Mouse;
+import org.lwjgl.opengl.Display;
+
+import mightypork.rogue.App;
+import mightypork.rogue.input.KeyStroke;
+import mightypork.rogue.input.events.MouseButtonEvent;
+import mightypork.rogue.input.events.MouseMotionEvent;
+import mightypork.rogue.util.RenderUtils;
+import mightypork.utils.math.Polar;
+import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.coord.Coord;
+import mightypork.utils.math.easing.Easing;
+import mightypork.utils.time.AnimDouble;
+import mightypork.utils.time.AnimDoubleDeg;
+
+
+public class ScreenSplash extends Screen {
+
+	private AnimDoubleDeg degAnim = new AnimDoubleDeg(0, Easing.SINE);
+
+	//@formatter:off
+	private AnimDouble[] anims = new AnimDouble[] {
+			new AnimDouble(0, Easing.NONE),
+			new AnimDouble(0, Easing.LINEAR),
+			
+			new AnimDouble(0, Easing.QUADRATIC_IN),
+			new AnimDouble(0, Easing.QUADRATIC_OUT),
+			new AnimDouble(0, Easing.QUADRATIC),
+			
+			new AnimDouble(0, Easing.CUBIC_IN),
+			new AnimDouble(0, Easing.CUBIC_OUT),
+			new AnimDouble(0, Easing.CUBIC),
+			
+			new AnimDouble(0, Easing.QUADRATIC_IN),
+			new AnimDouble(0, Easing.QUADRATIC_OUT),
+			new AnimDouble(0, Easing.QUADRATIC),
+			
+			new AnimDouble(0, Easing.QUINTIC_IN),
+			new AnimDouble(0, Easing.QUINTIC_OUT),
+			new AnimDouble(0, Easing.QUINTIC_IN_OUT),
+			
+			new AnimDouble(0, Easing.EXPO_IN),
+			new AnimDouble(0, Easing.EXPO_OUT),
+			new AnimDouble(0, Easing.EXPO),
+			
+			new AnimDouble(0, Easing.SINE_IN),
+			new AnimDouble(0, Easing.SINE_OUT),
+			new AnimDouble(0, Easing.SINE),
+			
+			new AnimDouble(0, Easing.CIRC_IN),
+			new AnimDouble(0, Easing.CIRC_OUT),
+			new AnimDouble(0, Easing.CIRC),
+	};
+	//@formatter:on
+
+	@Override
+	public void initialize()
+	{
+		bindKeyStroke(new KeyStroke(Keyboard.KEY_RIGHT), new Runnable() {
+
+			@Override
+			public void run()
+			{
+				for (AnimDouble a : anims) {
+					a.animate(0, 1, 3);
+				}
+			}
+		});
+
+		bindKeyStroke(new KeyStroke(Keyboard.KEY_LEFT), new Runnable() {
+
+			@Override
+			public void run()
+			{
+				for (AnimDouble a : anims) {
+					a.animate(1, 0, 3);
+				}
+			}
+		});
+	}
+
+
+	@Override
+	protected void renderScreen()
+	{
+		double screenH = Display.getHeight();
+		double screenW = Display.getWidth();
+		double perBoxH = screenH / anims.length;
+		double padding = perBoxH*0.1;
+		double boxSide = perBoxH-padding*2;
+
+		for (int i = 0; i < anims.length; i++) {
+			AnimDouble a = anims[i];
+
+			RenderUtils.setColor(i%3==0?RGB.GREEN:RGB.BLUE);
+			RenderUtils.quadSize(
+					padding + a.getCurrentValue() * (screenW - perBoxH - padding*2),
+					screenH - perBoxH * i - perBoxH + padding,
+					boxSide,
+					boxSide
+			);
+		}
+
+		RenderUtils.setColor(RGB.YELLOW);
+		RenderUtils.translate(new Coord(Display.getWidth() / 2, Display.getHeight() / 2));
+		RenderUtils.rotateZ(degAnim.getCurrentValue());
+		RenderUtils.quadSize(-10, -10, 20, 200);
+	}
+
+
+	@Override
+	public void receive(MouseMotionEvent event)
+	{
+	}
+
+
+	@Override
+	public void receive(MouseButtonEvent event)
+	{
+		if(event.isDown()) {
+			Coord vec = App.disp().getSize().half().vecTo(event.getPos());
+
+			Polar p = Polar.fromCoord(vec);
+
+			degAnim.fadeTo(p.getAngleDeg() - 90, 0.2);
+		}
+	}
+
+
+	@Override
+	protected void onEnter()
+	{
+		// TODO Auto-generated method stub
+
+	}
+
+
+	@Override
+	protected void onLeave()
+	{
+		// TODO Auto-generated method stub
+
+	}
+
+
+	@Override
+	protected void onSizeChanged(Coord size)
+	{
+		// TODO Auto-generated method stub
+
+	}
+
+
+	@Override
+	protected void updateScreen(double delta)
+	{
+		degAnim.update(delta);
+
+		for (AnimDouble a : anims) {
+			a.update(delta);
+		}
+	}
+
+}

src/mightypork/rogue/display/events/ScreenChangeEvent.java

@@ -0,0 +1,50 @@
+package mightypork.rogue.display.events;
+
+
+import mightypork.utils.math.coord.Coord;
+import mightypork.utils.patterns.subscription.Handleable;
+
+
+public class ScreenChangeEvent implements Handleable<ScreenChangeEvent.Listener> {
+
+	private boolean fullscreen;
+	private Coord screenSize;
+	private boolean fsChanged;
+
+
+	public ScreenChangeEvent(boolean fsChanged, boolean fullscreen, Coord size) {
+		this.fullscreen = fullscreen;
+		this.screenSize = size;
+		this.fsChanged = fsChanged;
+	}
+
+
+	public boolean isFullscreen()
+	{
+		return fullscreen;
+	}
+
+
+	public boolean fullscreenChanged()
+	{
+		return fsChanged;
+	}
+
+
+	public Coord getScreenSize()
+	{
+		return screenSize;
+	}
+
+
+	@Override
+	public void handleBy(Listener handler)
+	{
+		handler.receive(this);
+	}
+
+	public interface Listener {
+
+		public void receive(ScreenChangeEvent event);
+	}
+}

src/mightypork/rogue/fonts/FontManager.java

@@ -112,96 +112,96 @@ public class FontManager {
 		OUTLINE;
 	}
 
-	/**
-	 * Preloaded font identifier [name, size, style]
-	 * 
-	 * @author MightyPork
-	 */
-	public static class FontId {
-
-		/** font size (pt) */
-		public float size = 24;
-		/** font name, registered with registerFile */
-		public String name = "";
-		/** font style. The given style must be in a file. */
-		public Style style;
-
-		/** Set of glyphs in this ID */
-		public String glyphs = "";
-
-		/** Index for faster comparision of glyph ids. */
-		public int glyphset_id = 0;
-
-
-		/**
-		 * Preloaded font identifier
-		 * 
-		 * @param name font name (registerFile)
-		 * @param size font size (pt)
-		 * @param style font style
-		 * @param glyphs glyphs to load
-		 */
-		public FontId(String name, double size, Style style, String glyphs) {
-			this.name = name;
-			this.size = (float) size;
-			this.style = style;
-
-			if (glyphs.equals(Glyphs.basic)) {
-				glyphset_id = 1;
-			} else if (glyphs.equals(Glyphs.alnum)) {
-				glyphset_id = 2;
-			} else if (glyphs.equals(Glyphs.basic_text)) {
-				glyphset_id = 3;
-			} else if (glyphs.equals(Glyphs.numbers)) {
-				glyphset_id = 4;
-			} else if (glyphs.equals(Glyphs.alpha)) {
-				glyphset_id = 5;
-			} else if (glyphs.equals(Glyphs.all)) {
-				glyphset_id = 6;
-			} else if (glyphs.equals(Glyphs.alnum_extra)) {
-				glyphset_id = 7;
-			} else if (glyphs.equals(Glyphs.signs)) {
-				glyphset_id = 8;
-			} else if (glyphs.equals(Glyphs.signs_extra)) {
-				glyphset_id = 9;
-			} else {
-				this.glyphs = glyphs;
-			}
-		}
-
-
-		@Override
-		public boolean equals(Object obj)
-		{
-			if (obj == null) return false;
-			if (!(obj.getClass().isAssignableFrom(getClass()))) return false;
-			if (obj instanceof FontId) {
-				if (obj == this) return true;
-				FontId id2 = ((FontId) obj);
-				boolean flag = true;
-				flag &= id2.size == size;
-				flag &= id2.name.equals(name);
-				flag &= id2.style == style;
-				flag &= ((id2.glyphset_id != -1 && id2.glyphset_id == glyphset_id) || id2.glyphs.equals(glyphs));
-				return flag;
-			}
-			return false;
-		}
-
-
-		@Override
-		public int hashCode()
-		{
-			return (new Float(size).hashCode()) ^ name.hashCode() ^ style.hashCode() ^ glyphset_id;
-		}
-
-
-		@Override
-		public String toString()
-		{
-			return "[" + name + ", " + size + ", " + style + (glyphset_id > 0 ? ", g=" + glyphset_id : ", g=custom") + "]";
-		}
-	}
+//	/**
+//	 * Preloaded font identifier [name, size, style]
+//	 * 
+//	 * @author MightyPork
+//	 */
+//	public static class FontId {
+//
+//		/** font size (pt) */
+//		public float size = 24;
+//		/** font name, registered with registerFile */
+//		public String name = "";
+//		/** font style. The given style must be in a file. */
+//		public Style style;
+//
+//		/** Set of glyphs in this ID */
+//		public String glyphs = "";
+//
+//		/** Index for faster comparision of glyph ids. */
+//		public int glyphset_id = 0;
+//
+//
+//		/**
+//		 * Preloaded font identifier
+//		 * 
+//		 * @param name font name (registerFile)
+//		 * @param size font size (pt)
+//		 * @param style font style
+//		 * @param glyphs glyphs to load
+//		 */
+//		public FontId(String name, double size, Style style, String glyphs) {
+//			this.name = name;
+//			this.size = (float) size;
+//			this.style = style;
+//
+//			if (glyphs.equals(Glyphs.basic)) {
+//				glyphset_id = 1;
+//			} else if (glyphs.equals(Glyphs.alnum)) {
+//				glyphset_id = 2;
+//			} else if (glyphs.equals(Glyphs.basic_text)) {
+//				glyphset_id = 3;
+//			} else if (glyphs.equals(Glyphs.numbers)) {
+//				glyphset_id = 4;
+//			} else if (glyphs.equals(Glyphs.alpha)) {
+//				glyphset_id = 5;
+//			} else if (glyphs.equals(Glyphs.all)) {
+//				glyphset_id = 6;
+//			} else if (glyphs.equals(Glyphs.alnum_extra)) {
+//				glyphset_id = 7;
+//			} else if (glyphs.equals(Glyphs.signs)) {
+//				glyphset_id = 8;
+//			} else if (glyphs.equals(Glyphs.signs_extra)) {
+//				glyphset_id = 9;
+//			} else {
+//				this.glyphs = glyphs;
+//			}
+//		}
+//
+//
+//		@Override
+//		public boolean equals(Object obj)
+//		{
+//			if (obj == null) return false;
+//			if (!(obj.getClass().isAssignableFrom(getClass()))) return false;
+//			if (obj instanceof FontId) {
+//				if (obj == this) return true;
+//				FontId id2 = ((FontId) obj);
+//				boolean flag = true;
+//				flag &= id2.size == size;
+//				flag &= id2.name.equals(name);
+//				flag &= id2.style == style;
+//				flag &= ((id2.glyphset_id != -1 && id2.glyphset_id == glyphset_id) || id2.glyphs.equals(glyphs));
+//				return flag;
+//			}
+//			return false;
+//		}
+//
+//
+//		@Override
+//		public int hashCode()
+//		{
+//			return (new Float(size).hashCode()) ^ name.hashCode() ^ style.hashCode() ^ glyphset_id;
+//		}
+//
+//
+//		@Override
+//		public String toString()
+//		{
+//			return "[" + name + ", " + size + ", " + style + (glyphset_id > 0 ? ", g=" + glyphset_id : ", g=custom") + "]";
+//		}
+//	}
 
 	/**
 	 * Group of styles of one font.
@@ -255,7 +255,7 @@ public class FontManager {
 	 */
 	public static LoadedFont loadFont(String name, double size, Style style, String glyphs)
 	{
-		return loadFont(name, size, style, glyphs, 9, 8, Coord.ONE, 0, 0);
+		return loadFont(name, size, style, glyphs, 9, 8, Coord.one(), 0, 0);
 	}
 
 

src/mightypork/rogue/fonts/LoadedFont.java

@@ -21,7 +21,6 @@ import mightypork.rogue.Config;
 import mightypork.utils.logging.Log;
 import mightypork.utils.math.color.RGB;
 import mightypork.utils.math.coord.Coord;
-import mightypork.utils.math.coord.CoordI;
 
 import org.lwjgl.BufferUtils;
 import org.lwjgl.opengl.GL11;
@@ -598,38 +597,12 @@ public class LoadedFont {
 	}
 
 
-	/**
-	 * Draw string with font.
-	 * 
-	 * @param pos coord
-	 * @param text text to draw
-	 * @param color render color
-	 * @param align (-1,0,1)
-	 */
-	public void draw(CoordI pos, String text, RGB color, int align)
-	{
-		drawString(pos.x, pos.y, text, 1, 1, color, align);
-	}
-
-
 	public void drawFuzzy(Coord pos, String text, int align, RGB textColor, RGB blurColor, int blurSize)
 	{
 		drawFuzzy(pos, text, align, textColor, blurColor, blurSize, true);
 	}
 
 
-	public void drawFuzzy(CoordI pos, String text, int align, RGB textColor, RGB blurColor, int blurSize)
-	{
-		drawFuzzy(pos.toCoord(), text, align, textColor, blurColor, blurSize, true);
-	}
-
-
-	public void drawFuzzy(CoordI pos, String text, int align, RGB textColor, RGB blurColor, int blurSize, boolean smooth)
-	{
-		drawFuzzy(pos.toCoord(), text, align, textColor, blurColor, blurSize, smooth);
-	}
-
-
 	public void drawFuzzy(Coord pos, String text, int align, RGB textColor, RGB blurColor, int blurSize, boolean smooth)
 	{
 		glPushMatrix();

src/mightypork/rogue/input/InputHandler.java

@@ -1,52 +0,0 @@
-package mightypork.rogue.input;
-
-
-import mightypork.utils.math.coord.Coord;
-import mightypork.utils.math.coord.Vec;
-
-
-/**
- * Input event handler
- * 
- * @author MightyPork
- */
-public interface InputHandler {
-
-	/**
-	 * Called each update tick, if the mouse position was changed.
-	 * 
-	 * @param pos mouse position
-	 * @param move mouse motion
-	 * @param wheelDelta mouse wheel delta
-	 */
-	public void onMouseMove(Coord pos, Vec move, int wheelDelta);
-
-
-	/**
-	 * Mouse event handler.
-	 * 
-	 * @param button button which caused this event
-	 * @param down true = down, false = up
-	 * @param wheelDelta number of steps the wheel turned since last event
-	 * @param pos mouse position
-	 * @param deltaPos delta mouse position
-	 */
-	public void onMouseButton(int button, boolean down, int wheelDelta, Coord pos, Coord deltaPos);
-
-
-	/**
-	 * Key event handler.
-	 * 
-	 * @param key key index, constant Keyboard.KEY_???
-	 * @param c character typed, if any
-	 * @param down true = down, false = up
-	 */
-	public void onKey(int key, char c, boolean down);
-
-
-	/**
-	 * In this method screen can handle static inputs, that is:
-	 * Keyboard.isKeyDown, Mouse.isButtonDown etc.
-	 */
-	public void handleKeyStates();
-}

src/mightypork/rogue/input/InputSystem.java

@@ -0,0 +1,126 @@
+package mightypork.rogue.input;
+
+
+import mightypork.rogue.App;
+import mightypork.rogue.input.events.KeyboardEvent;
+import mightypork.rogue.input.events.MouseButtonEvent;
+import mightypork.rogue.input.events.MouseMotionEvent;
+import mightypork.utils.math.coord.Coord;
+import mightypork.utils.patterns.Destroyable;
+import mightypork.utils.patterns.Initializable;
+import org.lwjgl.LWJGLException;
+import org.lwjgl.input.Keyboard;
+import org.lwjgl.input.Mouse;
+import org.lwjgl.opengl.Display;
+
+
+public class InputSystem implements KeyBinder, Destroyable, Initializable {
+
+	private boolean initialized;
+
+	// listeners
+	private KeyBindingPool keybindings;
+
+
+	public InputSystem() {
+		initialize();
+	}
+
+
+	@Override
+	public void initialize()
+	{
+		if (initialized) return;
+
+		initDevices();
+
+		initChannels();
+
+		keybindings = new KeyBindingPool();
+
+		App.msgbus().addSubscriber(keybindings);
+	}
+
+
+	private void initDevices()
+	{
+		try {
+			Mouse.create();
+			Keyboard.create();
+			Keyboard.enableRepeatEvents(false);
+		} catch (LWJGLException e) {
+			throw new RuntimeException("Failed to initialize input devices.", e);
+		}
+	}
+
+
+	private void initChannels()
+	{
+		App.msgbus().registerMessageType(KeyboardEvent.class, KeyboardEvent.Listener.class);
+		App.msgbus().registerMessageType(MouseMotionEvent.class, MouseMotionEvent.Listener.class);
+		App.msgbus().registerMessageType(MouseButtonEvent.class, MouseButtonEvent.Listener.class);
+	}
+
+
+	@Override
+	public void destroy()
+	{
+		Mouse.destroy();
+		Keyboard.destroy();
+	}
+
+
+	@Override
+	public void bindKeyStroke(KeyStroke stroke, Runnable task)
+	{
+		keybindings.bindKeyStroke(stroke, task);
+	}
+
+
+	@Override
+	public void unbindKeyStroke(KeyStroke stroke)
+	{
+		keybindings.unbindKeyStroke(stroke);
+	}
+
+
+	/**
+	 * Update inputs
+	 */
+	public final void poll()
+	{
+		Display.processMessages(); // redundant if Display.update() is called in main loop
+		Mouse.poll();
+		Keyboard.poll();
+
+		while (Mouse.next()) {
+			onMouseEvent();
+		}
+
+		while (Keyboard.next()) {
+			onKeyEvent();
+		}
+	}
+
+
+	private void onMouseEvent()
+	{
+		int button = Mouse.getEventButton();
+		boolean down = Mouse.getEventButtonState();
+		Coord pos = new Coord(Mouse.getEventX(), Mouse.getEventY());
+		Coord move = new Coord(Mouse.getEventDX(), Mouse.getEventDY());
+		int wheeld = Mouse.getEventDWheel();
+
+		if (button != -1 || wheeld != 0) App.broadcast(new MouseButtonEvent(pos, button, down, wheeld));
+		if(!move.isZero()) App.broadcast(new MouseMotionEvent(pos, move));
+	}
+
+
+	private void onKeyEvent()
+	{
+		int key = Keyboard.getEventKey();
+		boolean down = Keyboard.getEventKeyState();
+		char c = Keyboard.getEventCharacter();
+		App.broadcast(new KeyboardEvent(key, c, down));
+	}
+}

src/mightypork/rogue/input/KeyBinder.java

@@ -0,0 +1,21 @@
+package mightypork.rogue.input;
+
+
+public interface KeyBinder {
+
+	/**
+	 * Bind handler to a keystroke, replace current handler if any
+	 * 
+	 * @param stroke trigger keystroke
+	 * @param task handler
+	 */
+	abstract void bindKeyStroke(KeyStroke stroke, Runnable task);
+
+
+	/**
+	 * Remove handler from a keystroke (id any)
+	 * @param stroke stroke
+	 */
+	abstract void unbindKeyStroke(KeyStroke stroke);
+
+}

src/mightypork/rogue/input/KeyBinding.java

@@ -0,0 +1,48 @@
+package mightypork.rogue.input;
+
+
+import mightypork.rogue.input.events.KeyboardEvent;
+
+
+public class KeyBinding implements KeyboardEvent.Listener {
+
+	private KeyStroke keystroke;
+	private Runnable handler;
+	private boolean wasActive = false;
+
+
+	public KeyBinding(KeyStroke stroke, Runnable handler) {
+		this.keystroke = stroke;
+		this.handler = handler;
+		
+		wasActive = keystroke.isActive();
+	}
+
+
+	public boolean matches(KeyStroke stroke)
+	{
+		return this.keystroke.equals(stroke);
+	}
+
+
+	public void setHandler(Runnable handler)
+	{
+		this.handler = handler;
+	}
+
+
+	@Override
+	public void receive(KeyboardEvent event)
+	{
+		// ignore unrelated events
+		if(!keystroke.getKeys().contains(event.getKey())) return;
+
+		// run handler when event was met
+		if (keystroke.isActive() && !wasActive) {
+			handler.run();
+		}
+		
+		wasActive = keystroke.isActive();
+	}
+
+}

src/mightypork/rogue/input/KeyBindingPool.java

@@ -0,0 +1,68 @@
+package mightypork.rogue.input;
+
+
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+import mightypork.rogue.input.events.KeyboardEvent;
+import mightypork.utils.logging.Log;
+
+
+/**
+ * Key binding pool
+ * 
+ * @author MightyPork
+ */
+public class KeyBindingPool implements KeyBinder, KeyboardEvent.Listener {
+
+	private Set<KeyBinding> bindings = new HashSet<KeyBinding>();
+
+
+	/**
+	 * Bind handler to a keystroke, replace current handler if any
+	 * 
+	 * @param stroke trigger keystroke
+	 * @param task handler
+	 */
+	@Override
+	public void bindKeyStroke(KeyStroke stroke, Runnable task)
+	{
+		for (KeyBinding kb : bindings) {
+			if (kb.matches(stroke)) {
+				Log.w("Duplicate KeyBinding ("+stroke+"), using newest handler.");
+				kb.setHandler(task);
+				return;
+			}
+		}
+
+		bindings.add(new KeyBinding(stroke, task));
+	}
+
+
+	/**
+	 * Remove handler from keystroke (id any)
+	 * @param stroke stroke
+	 */
+	@Override
+	public void unbindKeyStroke(KeyStroke stroke)
+	{
+		Iterator<KeyBinding> iter = bindings.iterator();
+
+		while (iter.hasNext()) {
+			KeyBinding kb = iter.next();
+			if (kb.matches(stroke)) {
+				iter.remove();
+				return;
+			}
+		}
+	}
+
+	@Override
+	public void receive(KeyboardEvent event)
+	{
+		for(KeyBinding kb: bindings) {
+			kb.receive(event);			
+		}
+	}
+}

src/mightypork/rogue/input/KeyStroke.java

@@ -0,0 +1,114 @@
+package mightypork.rogue.input;
+
+
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import org.lwjgl.input.Keyboard;
+
+
+public class KeyStroke {
+
+	private Set<Integer> keys = new LinkedHashSet<Integer>();
+	private boolean down = true;
+
+
+	/**
+	 * KeyStroke
+	 * 
+	 * @param down true for falling edge, up for rising edge
+	 * @param keys keys that must be pressed
+	 */
+	public KeyStroke(boolean down, int... keys) {
+		this.down = down;
+		for (int k : keys) {
+			this.keys.add(k);
+		}
+	}
+
+
+	/**
+	 * Falling edge keystroke
+	 * 
+	 * @param keys
+	 */
+	public KeyStroke(int... keys) {
+		for (int k : keys) {
+			this.keys.add(k);
+		}
+	}
+
+
+	public boolean isActive()
+	{
+		boolean st = true;
+		for (int k : keys) {
+			st &= Keyboard.isKeyDown(k);
+		}
+
+		return down ? st : !st;
+	}
+
+
+	public void setKeys(Set<Integer> keys)
+	{
+		this.keys = keys;
+	}
+
+
+	@Override
+	public int hashCode()
+	{
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((keys == null) ? 0 : keys.hashCode());
+		return result;
+	}
+
+
+	@Override
+	public boolean equals(Object obj)
+	{
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (!(obj instanceof KeyStroke)) return false;
+		KeyStroke other = (KeyStroke) obj;
+
+		if (keys == null) {
+			if (other.keys != null) return false;
+		} else if (!keys.equals(other.keys)) {
+			return false;
+		}
+
+		if (down != other.down) return false;
+
+		return true;
+	}
+
+
+	@Override
+	public String toString()
+	{
+		String s = "(";
+
+		int cnt = 0;
+		Iterator<Integer> i = keys.iterator();
+		for (; i.hasNext(); cnt++) {
+			if (cnt > 0) s += "+";
+			s += Keyboard.getKeyName(i.next());
+		}
+
+		s += down ? ",DOWN" : "UP";
+
+		s += ")";
+
+		return s;
+	}
+
+
+	public Set<Integer> getKeys()
+	{
+		return keys;
+	}
+}

src/mightypork/rogue/input/Keys.java

@@ -1,122 +0,0 @@
-package mightypork.rogue.input;
-
-
-import org.lwjgl.input.Keyboard;
-
-
-/**
- * Key state handler
- */
-public class Keys {
-
-	private static boolean[] prevKeys;
-	private static boolean[] keys;
-
-
-	/**
-	 * initialize key state handler
-	 */
-	private static void init()
-	{
-
-		if (keys == null) {
-			keys = new boolean[Keyboard.KEYBOARD_SIZE];
-		}
-
-		if (prevKeys == null) {
-			prevKeys = new boolean[Keyboard.KEYBOARD_SIZE];
-		}
-	}
-
-
-	/**
-	 * method called when key event was detected in Screen class.
-	 * 
-	 * @param key
-	 * @param down
-	 */
-	public static void onKey(int key, boolean down)
-	{
-
-		init();
-
-		prevKeys[key] = keys[key];
-		keys[key] = down;
-	}
-
-
-	/**
-	 * Check if key is down
-	 * 
-	 * @param key key index
-	 * @return is down
-	 */
-	public static boolean isDown(int key)
-	{
-
-		init();
-
-		return keys[key];
-	}
-
-
-	/**
-	 * Check if key is up
-	 * 
-	 * @param key key index
-	 * @return is up
-	 */
-	public static boolean isUp(int key)
-	{
-
-		init();
-
-		return !keys[key];
-	}
-
-
-	/**
-	 * Check if key was just pressed (changed state since last event on this
-	 * key)
-	 * 
-	 * @param key key index
-	 * @return true if changed state to DOWN
-	 */
-	public static boolean justPressed(int key)
-	{
-
-		init();
-
-		return !prevKeys[key] && keys[key];
-	}
-
-
-	/**
-	 * Check if key was just released (changed state since last event on this
-	 * key)
-	 * 
-	 * @param key key index
-	 * @return true if changed state to UP
-	 */
-	public static boolean justReleased(int key)
-	{
-
-		init();
-
-		return prevKeys[key] && !keys[key];
-	}
-
-
-	/**
-	 * Destroy "just" flag for a key.
-	 * 
-	 * @param key key index
-	 */
-	public static void destroyChangeState(int key)
-	{
-
-		init();
-
-		prevKeys[key] = keys[key];
-	}
-}

src/mightypork/rogue/input/events/KeyboardEvent.java

@@ -0,0 +1,85 @@
+package mightypork.rogue.input.events;
+
+
+import org.lwjgl.input.Keyboard;
+
+import mightypork.utils.patterns.subscription.Handleable;
+
+
+/**
+ * A keyboard event
+ * 
+ * @author MightyPork
+ */
+public class KeyboardEvent implements Handleable<KeyboardEvent.Listener> {
+
+	private int key;
+	private boolean down;
+	private char c;
+
+
+	public KeyboardEvent(int key, char c, boolean down) {
+		this.key = key;
+		this.c = c;
+		this.down = down;
+	}
+
+
+	/**
+	 * @return key code (see {@link org.lwjgl.input.Keyboard})
+	 */
+	public int getKey()
+	{
+		return key;
+	}
+
+
+	/**
+	 * @return true if key was just pressed
+	 */
+	public boolean isDown()
+	{
+		return down;
+	}
+	
+	/**
+	 * @return true if key was just released
+	 */
+	public boolean isUp()
+	{
+		return !down;
+	}
+
+
+	/**
+	 * @return event character (if any)
+	 */
+	public char getChar()
+	{
+		return c;
+	}
+
+
+	@Override
+	public void handleBy(Listener keh)
+	{
+		keh.receive(this);
+	}
+
+	public interface Listener {
+
+		/**
+		 * Handle an event
+		 * 
+		 * @param event event
+		 */
+		public void receive(KeyboardEvent event);
+	}
+	
+	@Override
+	public String toString()
+	{
+		return Keyboard.getKeyName(key)+":"+(down?"DOWN":"UP");
+	}
+
+}

src/mightypork/rogue/input/events/MouseButtonEvent.java

@@ -0,0 +1,119 @@
+package mightypork.rogue.input.events;
+
+
+import mightypork.utils.math.coord.Coord;
+import mightypork.utils.patterns.subscription.Handleable;
+
+
+/**
+ * Mouse button / wheel event
+ * 
+ * @author MightyPork
+ */
+public class MouseButtonEvent implements Handleable<MouseButtonEvent.Listener> {
+
+	public static final int BUTTON_LEFT = 0;
+	public static final int BUTTON_MIDDLE = 1;
+	public static final int BUTTON_RIGHT = 2;
+
+	private int button;
+	private int wheeld;
+	private Coord pos;
+	private boolean down;
+
+
+	/**
+	 * Mouse button event
+	 * 
+	 * @param pos event position
+	 * @param button button id
+	 * @param down button pressed
+	 * @param wheeld wheel change
+	 */
+	public MouseButtonEvent(Coord pos, int button, boolean down, int wheeld) {
+		this.button = button;
+		this.down = down;
+		this.pos = pos;
+		this.wheeld = wheeld;
+	}
+
+
+	/**
+	 * @return true if the event was caused by a button state change
+	 */
+	public boolean isButtonEvent()
+	{
+		return button != -1;
+	}
+
+
+	/**
+	 * @return true if the event was caused by a wheel change
+	 */
+	public boolean isWheelEvent()
+	{
+		return wheeld != 0;
+	}
+
+
+	/**
+	 * @return button id or -1 if none was pressed
+	 */
+	public int getButton()
+	{
+		return button;
+	}
+
+
+	/**
+	 * @return number of steps the wheel changed since last event
+	 */
+	public int getWheelDelta()
+	{
+		return wheeld;
+	}
+
+
+	/**
+	 * @return mouse position when the event occurred
+	 */
+	public Coord getPos()
+	{
+		return pos;
+	}
+
+
+	/**
+	 * @return true if button was just pressed
+	 */
+	public boolean isDown()
+	{
+		return button != -1 && down;
+	}
+
+
+	/**
+	 * @return true if button was just released
+	 */
+	public boolean isUp()
+	{
+		return button != -1 && !down;
+	}
+
+
+	@Override
+	public void handleBy(Listener handler)
+	{
+		handler.receive(this);
+	}
+
+	public interface Listener {
+
+		/**
+		 * Handle an event
+		 * 
+		 * @param event event
+		 */
+		public void receive(MouseButtonEvent event);
+	}
+}

src/mightypork/rogue/input/events/MouseMotionEvent.java

@@ -0,0 +1,54 @@
+package mightypork.rogue.input.events;
+
+
+import mightypork.utils.math.coord.Coord;
+import mightypork.utils.patterns.subscription.Handleable;
+
+
+public class MouseMotionEvent implements Handleable<MouseMotionEvent.Listener> {
+
+	private Coord move;
+	private Coord pos;
+
+
+	public MouseMotionEvent(Coord pos, Coord move) {
+		this.move = move;
+		this.pos = pos;
+	}
+
+
+	/**
+	 * @return movement since last {@link MouseMotionEvent}
+	 */
+	public Coord getPosDelta()
+	{
+		return move;
+	}
+
+
+	/**
+	 * @return current mouse position
+	 */
+	public Coord getPos()
+	{
+		return pos;
+	}
+
+
+	@Override
+	public void handleBy(Listener keh)
+	{
+		keh.receive(this);
+	}
+
+	public interface Listener {
+
+		/**
+		 * Handle an event
+		 * 
+		 * @param event event
+		 */
+		public void receive(MouseMotionEvent event);
+	}
+
+}

src/mightypork/rogue/screens/ScreenSplash.java

@@ -1,82 +0,0 @@
-package mightypork.rogue.screens;
-
-
-import mightypork.rogue.Screen;
-import mightypork.utils.math.coord.Coord;
-import mightypork.utils.math.coord.Vec;
-
-
-public class ScreenSplash extends Screen {
-
-	@Override
-	protected void onViewportChanged()
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-
-	@Override
-	public void initScreen()
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-
-	@Override
-	protected void onGuiUpdate()
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-
-	@Override
-	protected void render3D()
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-
-	@Override
-	public void onKey(int key, char c, boolean down)
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-
-	@Override
-	public void onMouseButton(int button, boolean down, int wheeld, Coord pos, Coord delta)
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-
-	@Override
-	public void handleKeyStates()
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-
-	@Override
-	public void onMouseMove(Coord coord, Vec vec, int wd)
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-
-	@Override
-	protected void render2D(double delta)
-	{
-		// TODO Auto-generated method stub
-
-	}
-
-}

src/mightypork/rogue/sounds/AudioPlayer.java

@@ -1,77 +0,0 @@
-package mightypork.rogue.sounds;
-
-
-import mightypork.utils.objects.Mutable;
-
-
-public abstract class AudioPlayer {
-
-	/** base gain for sfx */
-	private double baseGain = 1;
-
-	/** the track */
-	private AudioX track;
-
-	/** base pitch for sfx */
-	private double basePitch = 1;
-
-	/** dedicated volume control */
-	private Mutable<Float> gainMultiplier = null;
-
-
-	public AudioPlayer(AudioX track, double baseGain, Mutable<Float> gainMultiplier) {
-		this(track, 1, baseGain, gainMultiplier);
-	}
-
-
-	public AudioPlayer(AudioX track, double basePitch, double baseGain, Mutable<Float> gainMultiplier) {
-		this.track = track;
-
-		this.baseGain = baseGain;
-		this.basePitch = basePitch;
-
-		this.gainMultiplier = gainMultiplier;
-	}
-
-
-	public void destroy()
-	{
-		track.release();
-		track = null;
-	}
-
-
-	protected AudioX getAudio()
-	{
-		return track;
-	}
-
-
-	protected float getGain(double multiplier)
-	{
-		return (float) (baseGain * gainMultiplier.get() * multiplier);
-	}
-
-
-	protected float getPitch(double multiplier)
-	{
-		return (float) (basePitch * multiplier);
-	}
-
-
-	/**
-	 * Get if audio is valid
-	 * 
-	 * @return is valid
-	 */
-	protected boolean canPlay()
-	{
-		return (track != null);
-	}
-
-
-	public void load()
-	{
-		if (canPlay()) track.load();
-	}
-}

src/mightypork/rogue/sounds/AudioX.java

@@ -4,6 +4,7 @@ package mightypork.rogue.sounds;
 import mightypork.utils.files.FileUtils;
 import mightypork.utils.logging.Log;
 import mightypork.utils.math.coord.Coord;
+import mightypork.utils.patterns.Destroyable;
 
 import org.newdawn.slick.openal.Audio;
 import org.newdawn.slick.openal.SoundStore;
@@ -14,7 +15,7 @@ import org.newdawn.slick.openal.SoundStore;
  * 
  * @author MightyPork
  */
-public class AudioX implements Audio {
+public class AudioX implements Destroyable {
 
 	private enum PlayMode
 	{
@@ -22,14 +23,26 @@ public class AudioX implements Audio {
 	};
 
 	private Audio audio = null;
-	private float pauseLoopPosition = 0;
+	private double pauseLoopPosition = 0;
 	private boolean looping = false;
 	private boolean paused = false;
 	private PlayMode mode = PlayMode.EFFECT;
-	private float pitch = 1;
-	private float gain = 1;
+	private double lastPlayPitch = 1;
+	private double lastPlayGain = 1;
 
-	private String resourcePath;
+	private final String resourcePath;
+	private boolean loadFailed = false;
+
+
+	/**
+	 * Create deferred primitive audio player
+	 * 
+	 * @param resourceName resource to load when needed
+	 */
+	public AudioX(String resourceName) {
+		this.audio = null;
+		this.resourcePath = resourceName;
+	}
 
 
 	/**
@@ -37,7 +50,7 @@ public class AudioX implements Audio {
 	 */
 	public void pauseLoop()
 	{
-		if (!ensureLoaded()) return;
+		if (!load()) return;
 
 		if (isPlaying() && looping) {
 			pauseLoopPosition = audio.getPosition();
@@ -54,16 +67,16 @@ public class AudioX implements Audio {
 	 */
 	public int resumeLoop()
 	{
-		if (!ensureLoaded()) return -1;
+		if (!load()) return -1;
 
 		int source = -1;
 		if (looping && paused) {
 			if (mode == PlayMode.MUSIC) {
-				source = audio.playAsMusic(pitch, gain, true);
+				source = audio.playAsMusic((float) lastPlayPitch, (float) lastPlayGain, true);
 			} else {
-				source = audio.playAsSoundEffect(pitch, gain, true);
+				source = audio.playAsSoundEffect((float) lastPlayPitch, (float) lastPlayGain, true);
 			}
-			audio.setPosition(pauseLoopPosition);
+			audio.setPosition((float) pauseLoopPosition);
 			paused = false;
 		}
 		return source;
@@ -71,34 +84,27 @@ public class AudioX implements Audio {
 
 
 	/**
-	 * Create deferred primitive audio player
+	 * Check if resource is loaded
 	 * 
-	 * @param resourceName resource to load when needed
+	 * @return resource is loaded
 	 */
-	public AudioX(String resourceName) {
-		this.audio = null;
-		this.resourcePath = resourceName;
+	private boolean isLoaded()
+	{
+		return audio != null;
 	}
 
 
 	/**
-	 * Check if can play, if not, try to load sound.
+	 * Try to load if not loaded already
 	 * 
-	 * @return can now play
+	 * @return is loaded
 	 */
-	private boolean ensureLoaded()
-	{
-		load();
-
-		return audio != null;
-	}
-
-
-	public void load()
+	public boolean load()
 	{
-		if (audio != null) return; // already loaded
-		if (resourcePath == null) return; // not loaded, but can't load anyway
+		if (isLoaded()) return true; // already loaded
+		if (loadFailed || resourcePath == null) return false; // not loaded, but can't load anyway
 
+		loadFailed = false;
 		try {
 			String ext = FileUtils.getExtension(resourcePath);
 
@@ -112,119 +118,168 @@ public class AudioX implements Audio {
 			} else if (ext.equalsIgnoreCase("mod")) {
 				audio = SoundStore.get().getMOD(resourcePath);
 			} else {
-				resourcePath = null; // don't try next time
 				Log.e("Invalid audio file extension: " + resourcePath);
+				loadFailed = true; // don't try next time
 			}
 
 		} catch (Exception e) {
 			Log.e("Could not load " + resourcePath, e);
-			resourcePath = null; // don't try next time
+			loadFailed = true; // don't try next time
 		}
+
+		return isLoaded();
 	}
 
 
-	@Override
 	public void stop()
 	{
-		if (!ensureLoaded()) return;
+		if (!isLoaded()) return;
 
 		audio.stop();
 		paused = false;
 	}
 
 
-	@Override
-	public int getBufferID()
-	{
-		if (!ensureLoaded()) return -1;
-
-		return audio.getBufferID();
-	}
-
-
-	@Override
 	public boolean isPlaying()
 	{
-		if (!ensureLoaded()) return false;
+		if (!isLoaded()) return false;
 
 		return audio.isPlaying();
 	}
 
 
-	@Override
 	public boolean isPaused()
 	{
-		if (!ensureLoaded()) return false;
+		if (!isLoaded()) return false;
 
 		return audio.isPaused();
 	}
 
 
-	@Override
-	public int playAsSoundEffect(float pitch, float gain, boolean loop)
+	/**
+	 * Play as sound effect at listener position
+	 * 
+	 * @param pitch pitch (1 = default)
+	 * @param gain gain (0-1)
+	 * @param loop looping
+	 * @return source id
+	 */
+	public int playAsEffect(double pitch, double gain, boolean loop)
 	{
-		return playAsSoundEffect(pitch, gain, loop, SoundManager.get().listener);
+		return playAsEffect(pitch, gain, loop, SoundSystem.getListener());
 	}
 
 
-	@Override
-	public int playAsSoundEffect(float pitch, float gain, boolean loop, float x, float y, float z)
+	/**
+	 * Play as sound effect at given X-Y position
+	 * 
+	 * @param pitch pitch (1 = default)
+	 * @param gain gain (0-1)
+	 * @param loop looping
+	 * @param x
+	 * @param y
+	 * @return source id
+	 */
+	public int playAsEffect(double pitch, double gain, boolean loop, double x, double y)
+	{
+		return playAsEffect(pitch, gain, loop, x, y, SoundSystem.getListener().z);
+	}
+
+
+	/**
+	 * Play as sound effect at given position
+	 * 
+	 * @param pitch pitch (1 = default)
+	 * @param gain gain (0-1)
+	 * @param loop looping
+	 * @param x
+	 * @param y
+	 * @param z
+	 * @return source id
+	 */
+	public int playAsEffect(double pitch, double gain, boolean loop, double x, double y, double z)
 	{
-		if (!ensureLoaded()) return -1;
+		if (!load()) return -1;
 
-		this.pitch = pitch;
-		this.gain = gain;
+		this.lastPlayPitch = pitch;
+		this.lastPlayGain = gain;
 		looping = loop;
 		mode = PlayMode.EFFECT;
-		return audio.playAsSoundEffect(pitch, gain, loop, x, y, z);
+		return audio.playAsSoundEffect((float) pitch, (float) gain, loop, (float) x, (float) y, (float) z);
 	}
 
 
 	/**
-	 * Play this sound as a sound effect
+	 * Play as sound effect at given position
 	 * 
-	 * @param pitch The pitch of the play back
-	 * @param gain The gain of the play back
-	 * @param loop True if we should loop
-	 * @param pos The position of the sound
-	 * @return The ID of the source playing the sound
+	 * @param pitch pitch (1 = default)
+	 * @param gain gain (0-1)
+	 * @param loop looping
+	 * @param pos coord
+	 * @return source id
 	 */
-	public int playAsSoundEffect(float pitch, float gain, boolean loop, Coord pos)
+	public int playAsEffect(double pitch, double gain, boolean loop, Coord pos)
 	{
-		return playAsSoundEffect(pitch, gain, loop, (float) pos.x, (float) pos.y, (float) pos.z);
+		if (!load()) return -1;
+
+		return playAsEffect(pitch, gain, loop, pos.x, pos.y, pos.z);
 	}
 
 
-	@Override
-	public int playAsMusic(float pitch, float gain, boolean loop)
+	/**
+	 * Play as music using source 0.<br>
+	 * Discouraged, since this does not allow cross-fading.
+	 * 
+	 * @param pitch play pitch
+	 * @param gain play gain
+	 * @param loop looping
+	 * @return source
+	 */
+	public int playAsMusic(double pitch, double gain, boolean loop)
 	{
-		this.pitch = pitch;
-		this.gain = gain;
+		if (!load()) return -1;
+
+		this.lastPlayPitch = (float) pitch;
+		this.lastPlayGain = (float) gain;
 		looping = loop;
 		mode = PlayMode.MUSIC;
-		return audio.playAsMusic(pitch, gain, loop);
+		return audio.playAsMusic((float) pitch, (float) gain, loop);
 	}
 
 
 	@Override
-	public boolean setPosition(float position)
+	public void destroy()
 	{
-		return audio.setPosition(position);
+		if (!isLoaded()) return;
+
+		audio.release();
+		audio = null;
 	}
 
 
 	@Override
-	public float getPosition()
+	public int hashCode()
 	{
-		return audio.getPosition();
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((resourcePath == null) ? 0 : resourcePath.hashCode());
+		return result;
 	}
 
 
 	@Override
-	public void release()
+	public boolean equals(Object obj)
 	{
-		audio.release();
-		audio = null;
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (!(obj instanceof AudioX)) return false;
+		AudioX other = (AudioX) obj;
+		if (resourcePath == null) {
+			if (other.resourcePath != null) return false;
+		} else if (!resourcePath.equals(other.resourcePath)) {
+			return false;
+		}
+		return true;
 	}
 
 }

src/mightypork/rogue/sounds/BaseAudioPlayer.java

@@ -0,0 +1,77 @@
+package mightypork.rogue.sounds;
+
+
+import mightypork.utils.objects.Mutable;
+
+
+public abstract class BaseAudioPlayer {
+	
+	/** the track */
+	private AudioX audio;
+
+	/** base gain for sfx */
+	private double baseGain = 1;
+
+	/** base pitch for sfx */
+	private double basePitch = 1;
+
+	/** dedicated volume control */
+	private Mutable<Double> gainMultiplier = null;
+
+
+	public BaseAudioPlayer(AudioX track, double baseGain, Mutable<Double> gainMultiplier) {
+		this(track, 1, baseGain, gainMultiplier);
+	}
+
+
+	public BaseAudioPlayer(AudioX track, double basePitch, double baseGain, Mutable<Double> gainMultiplier) {
+		this.audio = track;
+
+		this.baseGain = baseGain;
+		this.basePitch = basePitch;
+
+		this.gainMultiplier = gainMultiplier;
+	}
+
+
+	public void destroy()
+	{
+		audio.destroy();
+		audio = null;
+	}
+
+
+	protected AudioX getAudio()
+	{
+		return audio;
+	}
+
+
+	protected double getGain(double multiplier)
+	{
+		return baseGain * gainMultiplier.get() * multiplier;
+	}
+
+
+	protected double getPitch(double multiplier)
+	{
+		return basePitch * multiplier;
+	}
+
+
+	/**
+	 * Get if audio is valid
+	 * 
+	 * @return is valid
+	 */
+	protected boolean canPlay()
+	{
+		return (audio != null);
+	}
+
+
+	public void load()
+	{
+		if (canPlay()) audio.load();
+	}
+}

src/mightypork/rogue/sounds/EffectPlayer.java

@@ -5,9 +5,9 @@ import mightypork.utils.math.coord.Coord;
 import mightypork.utils.objects.Mutable;
 
 
-public class EffectPlayer extends AudioPlayer {
+public class EffectPlayer extends BaseAudioPlayer {
 
-	public EffectPlayer(AudioX track, double basePitch, double baseGain, Mutable<Float> gainMultiplier) {
+	public EffectPlayer(AudioX track, double basePitch, double baseGain, Mutable<Double> gainMultiplier) {
 		super(track, (float) basePitch, (float) baseGain, gainMultiplier);
 	}
 
@@ -16,7 +16,7 @@ public class EffectPlayer extends AudioPlayer {
 	{
 		if (!canPlay()) return -1;
 
-		return getAudio().playAsSoundEffect(getPitch(pitch), getGain(gain), false);
+		return getAudio().playAsEffect(getPitch(pitch), getGain(gain), false);
 	}
 
 
@@ -30,7 +30,7 @@ public class EffectPlayer extends AudioPlayer {
 	{
 		if (!canPlay()) return -1;
 
-		return getAudio().playAsSoundEffect(getPitch(pitch), getGain(gain), false, pos);
+		return getAudio().playAsEffect(getPitch(pitch), getGain(gain), false, pos);
 	}
 
 }

src/mightypork/rogue/sounds/JointVolume.java

@@ -10,18 +10,18 @@ import mightypork.utils.objects.Mutable;
  * 
  * @author MightyPork
  */
-public class JointVolume extends Mutable<Float> {
+public class JointVolume extends Mutable<Double> {
 
-	private Mutable<Float>[] volumes;
+	private Mutable<Double>[] volumes;
 
 
 	/**
-	 * CReate joint volume with master gain of 1
+	 * Create joint volume with master gain of 1
 	 * 
 	 * @param volumes individual volumes to join
 	 */
-	public JointVolume(Mutable<Float>... volumes) {
-		super(1F);
+	public JointVolume(Mutable<Double>... volumes) {
+		super(1D);
 		this.volumes = volumes;
 	}
 
@@ -30,13 +30,13 @@ public class JointVolume extends Mutable<Float> {
 	 * Get combined gain (multiplied)
 	 */
 	@Override
-	public Float get()
+	public Double get()
 	{
-		float f = super.get();
-		for (Mutable<Float> v : volumes)
-			f *= v.get();
+		double d = super.get();
+		for (Mutable<Double> v : volumes)
+			d *= v.get();
 
-		return Calc.clampf(f, 0, 1);
+		return Calc.clampd(d, 0, 1);
 	}
 
 
@@ -44,7 +44,7 @@ public class JointVolume extends Mutable<Float> {
 	 * Set master gain
 	 */
 	@Override
-	public void set(Float o)
+	public void set(Double o)
 	{
 		super.set(o);
 	}

src/mightypork/rogue/sounds/LoopPlayer.java

@@ -9,7 +9,7 @@ import mightypork.utils.time.Updateable;
 import org.lwjgl.openal.AL10;
 
 
-public class LoopPlayer extends AudioPlayer implements Updateable, Pauseable {
+public class LoopPlayer extends BaseAudioPlayer implements Updateable, Pauseable {
 
 	private int sourceID = -1;
 
@@ -28,7 +28,7 @@ public class LoopPlayer extends AudioPlayer implements Updateable, Pauseable {
 	private double outTime = 1;
 
 
-	public LoopPlayer(AudioX track, double pitch, double baseGain, Mutable<Float> gainMultiplier) {
+	public LoopPlayer(AudioX track, double pitch, double baseGain, Mutable<Double> gainMultiplier) {
 		super(track, (float) pitch, (float) baseGain, gainMultiplier);
 
 		paused = true;
@@ -45,7 +45,7 @@ public class LoopPlayer extends AudioPlayer implements Updateable, Pauseable {
 	private void initLoop()
 	{
 		if (!canPlay() && sourceID == -1) {
-			sourceID = getAudio().playAsSoundEffect(getPitch(1), getGain(1), true);
+			sourceID = getAudio().playAsEffect(getPitch(1), getGain(1), true);
 			getAudio().pauseLoop();
 		}
 	}

src/mightypork/rogue/sounds/SoundManager.java

@@ -1,179 +0,0 @@
-package mightypork.rogue.sounds;
-
-
-import java.nio.FloatBuffer;
-import java.util.HashMap;
-import java.util.Map;
-
-import mightypork.utils.math.Calc.Buffers;
-import mightypork.utils.math.coord.Coord;
-import mightypork.utils.objects.Mutable;
-import mightypork.utils.time.Updateable;
-
-import org.lwjgl.openal.AL10;
-import org.newdawn.slick.openal.SoundStore;
-
-
-/**
- * Preloaded sounds.
- * 
- * @author MightyPork
- */
-public class SoundManager implements Updateable {
-
-	private static SoundManager inst = new SoundManager();
-	public Mutable<Float> masterVolume = new Mutable<Float>(1F);
-	@SuppressWarnings("unchecked")
-	public Mutable<Float> effectsVolume = new JointVolume(masterVolume);
-	@SuppressWarnings("unchecked")
-	public Mutable<Float> loopsVolume = new JointVolume(masterVolume);
-	public Coord listener = new Coord(Coord.ZERO);
-	private Map<String, EffectPlayer> effects = new HashMap<String, EffectPlayer>();
-	private Map<String, LoopPlayer> loops = new HashMap<String, LoopPlayer>();
-
-
-	/**
-	 * Singleton constructor
-	 */
-	private SoundManager() {
-		SoundStore.get().setMaxSources(256);
-		SoundStore.get().init();
-	}
-
-
-	public static SoundManager get()
-	{
-		return inst;
-	}
-
-
-	public void addEffect(String key, String resource, float pitch, float gain)
-	{
-		EffectPlayer p = new EffectPlayer(new AudioX(resource), pitch, gain, effectsVolume);
-		effects.put(key, p);
-	}
-
-
-	public void addLoop(String key, String resource, float pitch, float gain, double fadeIn, double fadeOut)
-	{
-		LoopPlayer p = new LoopPlayer(new AudioX(resource), pitch, gain, loopsVolume);
-		p.setFadeTimes(fadeIn, fadeOut);
-		loops.put(key, p);
-	}
-
-
-	public LoopPlayer getLoop(String key)
-	{
-		LoopPlayer p = loops.get(key);
-		if (p == null) {
-			throw new IllegalArgumentException("Requesting unknown sound loop \"" + key + "\".");
-		}
-		return p;
-	}
-
-
-	public EffectPlayer getEffect(String key)
-	{
-		EffectPlayer p = effects.get(key);
-		if (p == null) {
-			throw new IllegalArgumentException("Requesting unknown sound effect \"" + key + "\".");
-		}
-		return p;
-	}
-
-
-	public void fadeOutAllLoops()
-	{
-		for (LoopPlayer p : loops.values()) {
-			p.fadeOut();
-		}
-	}
-
-
-	public void fadeInLoop(String key)
-	{
-		getLoop(key).fadeIn();
-	}
-
-
-	public void fadeInLoop(String key, double seconds)
-	{
-		getLoop(key).fadeIn(seconds);
-	}
-
-
-	public void pauseLoop(String key)
-	{
-		getLoop(key).pause();
-	}
-
-
-	public void pauseAllLoops()
-	{
-		for (LoopPlayer p : loops.values()) {
-			p.pause();
-		}
-	}
-
-
-	public void resumeLoop(String key)
-	{
-		getLoop(key).resume();
-	}
-
-
-	/**
-	 * Set listener pos
-	 * 
-	 * @param pos
-	 */
-	public void setListener(Coord pos)
-	{
-		listener.setTo(pos);
-		FloatBuffer buf3 = Buffers.alloc(3);
-		FloatBuffer buf6 = Buffers.alloc(6);
-		buf3.clear();
-		Buffers.fill(buf3, (float) pos.x, (float) pos.y, (float) pos.z);
-		AL10.alListener(AL10.AL_POSITION, buf3);
-		buf3.clear();
-		Buffers.fill(buf3, 0, 0, 0);
-		AL10.alListener(AL10.AL_VELOCITY, buf3);
-		buf6.clear();
-		Buffers.fill(buf6, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f);
-		AL10.alListener(AL10.AL_ORIENTATION, buf6);
-		buf3 = buf6 = null;
-	}
-
-
-	@Override
-	public void update(double delta)
-	{
-		for (LoopPlayer lp : loops.values()) {
-			lp.update(delta);
-		}
-	}
-
-
-	public void setMasterVolume(float f)
-	{
-		masterVolume.set(f);
-	}
-
-
-	public void setEffectsVolume(float f)
-	{
-		effectsVolume.set(f);
-	}
-
-
-	public void setMusicVolume(float f)
-	{
-		loopsVolume.set(f);
-	}
-
-
-	public void destroy()
-	{
-		SoundStore.get().clear();
-	}
-}

src/mightypork/rogue/sounds/SoundSystem.java

@@ -0,0 +1,309 @@
+package mightypork.rogue.sounds;
+
+
+import java.nio.FloatBuffer;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import mightypork.utils.math.Calc.Buffers;
+import mightypork.utils.math.coord.Coord;
+import mightypork.utils.objects.Mutable;
+import mightypork.utils.patterns.Destroyable;
+import mightypork.utils.time.Updateable;
+
+import org.lwjgl.openal.AL;
+import org.lwjgl.openal.AL10;
+import org.newdawn.slick.openal.SoundStore;
+
+
+/**
+ * Sound system class (only one instance should be made per application)
+ * 
+ * @author MightyPork
+ */
+@SuppressWarnings("unchecked")
+// needed for JointVolume
+public class SoundSystem implements Updateable, Destroyable {
+
+	// static
+
+	private static final Coord INITIAL_LISTENER_POS = new Coord(0, 0, 0);
+	private static final int MAX_SOURCES = 256;
+
+	private static Coord listener = new Coord();
+
+	
+	static {
+		// initialize sound system
+		SoundStore.get().setMaxSources(MAX_SOURCES);
+		SoundStore.get().init();
+
+		setListener(INITIAL_LISTENER_POS);
+	}
+
+
+	/**
+	 * Set listener pos
+	 * 
+	 * @param pos
+	 */
+	public static void setListener(Coord pos)
+	{
+		listener.setTo(pos);
+		FloatBuffer buf3 = Buffers.alloc(3);
+		FloatBuffer buf6 = Buffers.alloc(6);
+		buf3.clear();
+		Buffers.fill(buf3, (float) pos.x, (float) pos.y, (float) pos.z);
+		AL10.alListener(AL10.AL_POSITION, buf3);
+		buf3.clear();
+		Buffers.fill(buf3, 0, 0, 0);
+		AL10.alListener(AL10.AL_VELOCITY, buf3);
+		buf6.clear();
+		Buffers.fill(buf6, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f);
+		AL10.alListener(AL10.AL_ORIENTATION, buf6);
+		buf3 = buf6 = null;
+	}
+
+
+	public static Coord getListener()
+	{
+		return listener;
+	}
+
+	// instance
+
+	public Mutable<Double> masterVolume = new Mutable<Double>(1D);
+	public Mutable<Double> effectsVolume = new JointVolume(masterVolume);
+	public Mutable<Double> loopsVolume = new JointVolume(masterVolume);
+
+	private Map<String, EffectPlayer> effects = new HashMap<String, EffectPlayer>();
+	private Map<String, LoopPlayer> loops = new HashMap<String, LoopPlayer>();
+	private Set<AudioX> resources = new HashSet<AudioX>();
+
+
+	/**
+	 * Register effect resource
+	 * 
+	 * @param key sound key
+	 * @param resource resource path
+	 * @param pitch default pitch (1 = unchanged)
+	 * @param gain default gain (0-1)
+	 */
+	public void addEffect(String key, String resource, double pitch, double gain)
+	{
+		EffectPlayer p = new EffectPlayer(getResource(resource), pitch, gain, effectsVolume);
+		effects.put(key, p);
+	}
+
+
+	/**
+	 * Register loop resource (music / effect loop)
+	 * 
+	 * @param key sound key
+	 * @param resource resource path
+	 * @param pitch default pitch (1 = unchanged)
+	 * @param gain default gain (0-1)
+	 * @param fadeIn default time for fadeIn
+	 * @param fadeOut default time for fadeOut
+	 */
+	public void addLoop(String key, String resource, double pitch, double gain, double fadeIn, double fadeOut)
+	{
+		LoopPlayer p = new LoopPlayer(getResource(resource), pitch, gain, loopsVolume);
+		p.setFadeTimes(fadeIn, fadeOut);
+		loops.put(key, p);
+	}
+	
+	
+	/**
+	 * Create {@link AudioX} for a resource
+	 * @param res a resource name
+	 * @return the resource
+	 * 
+	 * @throws IllegalArgumentException if resource is already registered
+	 */
+	private AudioX getResource(String res) {
+		AudioX a = new AudioX(res);
+		if(resources.contains(a)) throw new IllegalArgumentException("Sound resource "+res+" is already registered.");
+		resources.add(a);
+		return a;
+	}
+
+
+	/**
+	 * Get a loop player for key
+	 * 
+	 * @param key sound key
+	 * @return loop player
+	 */
+	public LoopPlayer getLoop(String key)
+	{
+		LoopPlayer p = loops.get(key);
+		if (p == null) {
+			throw new IllegalArgumentException("Requesting unknown sound loop \"" + key + "\".");
+		}
+		return p;
+	}
+
+
+	/**
+	 * Get a effect player for key
+	 * 
+	 * @param key sound key
+	 * @return effect player
+	 */
+	public EffectPlayer getEffect(String key)
+	{
+		EffectPlayer p = effects.get(key);
+		if (p == null) {
+			throw new IllegalArgumentException("Requesting unknown sound effect \"" + key + "\".");
+		}
+		return p;
+	}
+
+
+	/**
+	 * Fade out all loops (ie. for screen transitions)
+	 */
+	public void fadeOutAllLoops()
+	{
+		for (LoopPlayer p : loops.values()) {
+			p.fadeOut();
+		}
+	}
+
+
+	/**
+	 * Fade in a loop (with default time)
+	 * 
+	 * @param key sound key
+	 */
+	public void fadeInLoop(String key)
+	{
+		getLoop(key).fadeIn();
+	}
+
+
+	/**
+	 * Fade in a loop
+	 * 
+	 * @param key sound key
+	 * @param seconds fade-in duration
+	 */
+	public void fadeInLoop(String key, double seconds)
+	{
+		getLoop(key).fadeIn(seconds);
+	}
+
+
+	/**
+	 * Fade out a loop (with default time)
+	 * 
+	 * @param key sound key
+	 */
+	public void fadeOutLoop(String key)
+	{
+		getLoop(key).fadeOut();
+	}
+
+
+	/**
+	 * Fade out a loop
+	 * 
+	 * @param key sound key
+	 * @param seconds fade-out duration
+	 */
+	public void fadeOutLoop(String key, double seconds)
+	{
+		getLoop(key).fadeOut(seconds);
+	}
+
+
+	/**
+	 * Pause a loop
+	 * 
+	 * @param key sound key
+	 */
+	public void pauseLoop(String key)
+	{
+		getLoop(key).pause();
+	}
+
+
+	/**
+	 * Pause all loops (leave volume unchanged)
+	 */
+	public void pauseAllLoops()
+	{
+		for (LoopPlayer p : loops.values()) {
+			p.pause();
+		}
+	}
+
+
+	/**
+	 * Resume a loop
+	 * 
+	 * @param key sound key
+	 */
+	public void resumeLoop(String key)
+	{
+		getLoop(key).resume();
+	}
+
+
+	@Override
+	public void update(double delta)
+	{
+		for (LoopPlayer lp : loops.values()) {
+			lp.update(delta);
+		}
+	}
+
+
+	/**
+	 * Set level of master volume
+	 * 
+	 * @param d level
+	 */
+	public void setMasterVolume(double d)
+	{
+		masterVolume.set(d);
+	}
+
+
+	/**
+	 * Set level of effects volume
+	 * 
+	 * @param d level
+	 */
+	public void setEffectsVolume(double d)
+	{
+		effectsVolume.set(d);
+	}
+
+
+	/**
+	 * Set level of music volume
+	 * 
+	 * @param d level
+	 */
+	public void setMusicVolume(double d)
+	{
+		loopsVolume.set(d);
+	}
+
+
+	@Override
+	public void destroy()
+	{
+		for(AudioX r: resources) {
+			r.destroy();
+		}
+		
+		SoundStore.get().clear();
+		AL.destroy();
+	}
+
+}

src/mightypork/rogue/tasks/TaskTakeScreenshot.java

@@ -0,0 +1,61 @@
+package mightypork.rogue.tasks;
+
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import javax.imageio.ImageIO;
+
+import mightypork.rogue.App;
+import mightypork.rogue.Paths;
+import mightypork.utils.logging.Log;
+
+
+public class TaskTakeScreenshot implements Runnable {
+
+	private BufferedImage image;
+
+
+	public TaskTakeScreenshot() {
+		this.image = App.disp().takeScreenshot();
+	}
+
+
+	@Override
+	public void run()
+	{
+		String fname = getUniqueScreenshotName();
+
+		// generate unique filename
+		File file;
+		int index = 0;
+		while (true) {
+			file = new File(Paths.SCREENSHOTS, fname + (index > 0 ? "-" + index : "") + ".png");
+			if (!file.exists()) break;
+			index++;
+		}
+
+		Log.f3("Saving screenshot to file: " + file);
+
+		String format = "PNG";
+
+		// save to disk
+		try {
+			ImageIO.write(image, format, file);
+		} catch (IOException e) {
+			Log.e("Failed to save screenshot.", e);
+		}
+	}
+
+
+	private String getUniqueScreenshotName()
+	{
+		DateFormat df = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
+		return df.format(new Date());
+	}
+
+}

src/mightypork/rogue/threads/ThreadSaveScreenshot.java

@@ -1,91 +0,0 @@
-package mightypork.rogue.threads;
-
-
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
-import javax.imageio.ImageIO;
-
-import mightypork.rogue.Paths;
-import mightypork.utils.logging.Log;
-
-
-/**
- * Thread for saving screenshot
- * 
- * @author MightyPork
- */
-public class ThreadSaveScreenshot extends Thread {
-
-	private ByteBuffer buffer;
-	private int width;
-	private int height;
-	private int bpp;
-
-
-	/**
-	 * Save screenshot thread
-	 * 
-	 * @param buffer byte buffer with image data
-	 * @param width screen width
-	 * @param height screen height
-	 * @param bpp bits per pixel
-	 */
-	public ThreadSaveScreenshot(ByteBuffer buffer, int width, int height, int bpp) {
-		this.buffer = buffer;
-		this.width = width;
-		this.height = height;
-		this.bpp = bpp;
-	}
-
-
-	private String getUniqueScreenshotName()
-	{
-		DateFormat df = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
-		return df.format(new Date());
-	}
-
-
-	@Override
-	public void run()
-	{
-		String fname = getUniqueScreenshotName();
-
-		// generate unique filename
-		File file;
-		int index = 0;
-		while (true) {
-			file = new File(Paths.SCREENSHOTS, fname + (index > 0 ? "-" + index : "") + ".png");
-			if (!file.exists()) break;
-			index++;
-		}
-
-		Log.f3("Saving screenshot to file: " + file);
-
-		String format = "PNG";
-		BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
-
-		// convert to a buffered image
-		for (int x = 0; x < width; x++) {
-			for (int y = 0; y < height; y++) {
-				int i = (x + (width * y)) * bpp;
-				int r = buffer.get(i) & 0xFF;
-				int g = buffer.get(i + 1) & 0xFF;
-				int b = buffer.get(i + 2) & 0xFF;
-				image.setRGB(x, height - (y + 1), (0xFF << 24) | (r << 16) | (g << 8) | b);
-			}
-		}
-
-		// save to disk
-		try {
-			ImageIO.write(image, format, file);
-		} catch (IOException e) {
-			Log.e("Failed to save screenshot.", e);
-		}
-	}
-}

src/mightypork/rogue/threads/ThreadScreenshotTrigger.java

@@ -1,32 +0,0 @@
-package mightypork.rogue.threads;
-
-
-import mightypork.rogue.App;
-import mightypork.rogue.input.Keys;
-import mightypork.utils.logging.Log;
-
-import org.lwjgl.input.Keyboard;
-
-
-/**
- * @author MightyPork
- */
-public class ThreadScreenshotTrigger extends Thread {
-
-	@Override
-	public void run()
-	{
-		while (true) {
-			if (Keys.justPressed(Keyboard.KEY_F2)) {
-				Log.f2("F2, taking screenshot.");
-				App.scheduledScreenshot = true;
-				Keys.destroyChangeState(Keyboard.KEY_F2);
-			}
-			try {
-				sleep(2);
-			} catch (InterruptedException e) {
-				e.printStackTrace();
-			}
-		}
-	}
-}

src/mightypork/rogue/util/RenderUtils.java

@@ -4,6 +4,7 @@ package mightypork.rogue.util;
 import static org.lwjgl.opengl.GL11.*;
 import mightypork.rogue.textures.TextureManager;
 import mightypork.rogue.textures.TxQuad;
+import mightypork.utils.math.Calc.Deg;
 import mightypork.utils.math.color.HSV;
 import mightypork.utils.math.color.RGB;
 import mightypork.utils.math.coord.Coord;
@@ -18,6 +19,10 @@ import org.newdawn.slick.opengl.Texture;
  * @author MightyPork
  */
 public class RenderUtils {
+	
+	private static final Coord AXIS_X = new Coord(1, 0, 0);
+	private static final Coord AXIS_Y = new Coord(0, 1, 0);
+	private static final Coord AXIS_Z = new Coord(0, 0, 1);
 
 	/**
 	 * Render quad 2D
@@ -471,15 +476,15 @@ public class RenderUtils {
 	 */
 	public static void quadTexturedAbs(Rect quad, Rect textureCoords)
 	{
-		double left = quad.x1();
-		double bottom = quad.y2();
-		double right = quad.x2();
-		double top = quad.y1();
+		double left = quad.xMin();
+		double bottom = quad.yMax();
+		double right = quad.xMax();
+		double top = quad.yMin();
 
-		double tleft = textureCoords.x1();
-		double tbottom = textureCoords.y1();
-		double tright = textureCoords.x2();
-		double ttop = textureCoords.y2();
+		double tleft = textureCoords.xMin();
+		double tbottom = textureCoords.yMin();
+		double tright = textureCoords.xMax();
+		double ttop = textureCoords.yMax();
 
 		glBegin(GL_QUADS);
 		glTexCoord2d(tleft, ttop);
@@ -584,18 +589,18 @@ public class RenderUtils {
 
 		int yOffset = yOffsetTimes * frameHeight;
 
-		double x1 = quadRect.x1();
-		double y1 = quadRect.y1();
-		double x2 = quadRect.x2();
-		double y2 = quadRect.y2();
+		double x1 = quadRect.xMin();
+		double y1 = quadRect.yMin();
+		double x2 = quadRect.xMax();
+		double y2 = quadRect.yMax();
 
 		double w = x2 - x1;
 		double h = y2 - y1;
 
-		double tx1 = textureRect.x1();
-		double ty1 = textureRect.y1();
-		double tx2 = textureRect.x2();
-		double ty2 = textureRect.y2();
+		double tx1 = textureRect.xMin();
+		double ty1 = textureRect.yMin();
+		double tx2 = textureRect.xMax();
+		double ty2 = textureRect.yMax();
 
 		double halfY = h / 2D;
 		double halfX = w / 2D;
@@ -713,15 +718,15 @@ public class RenderUtils {
 	{
 		Texture tx = texture;
 
-		double x1 = quadRect.x1();
-		double y1 = quadRect.y1();
-		double x2 = quadRect.x2();
-		double y2 = quadRect.y2();
+		double x1 = quadRect.xMin();
+		double y1 = quadRect.yMin();
+		double x2 = quadRect.xMax();
+		double y2 = quadRect.yMax();
 
-		double tx1 = textureRect.x1();
-		double ty1 = textureRect.y1();
-		double tx2 = textureRect.x2();
-		double ty2 = textureRect.y2();
+		double tx1 = textureRect.xMin();
+		double ty1 = textureRect.yMin();
+		double tx2 = textureRect.xMax();
+		double ty2 = textureRect.yMax();
 
 		// lt, mi, rt
 
@@ -802,15 +807,15 @@ public class RenderUtils {
 	{
 		Texture tx = texture;
 
-		double x1 = quadRect.x1();
-		double y1 = quadRect.y1();
-		double x2 = quadRect.x2();
-		double y2 = quadRect.y2();
+		double x1 = quadRect.xMin();
+		double y1 = quadRect.yMin();
+		double x2 = quadRect.xMax();
+		double y2 = quadRect.yMax();
 
-		double tx1 = textureRect.x1();
-		double ty1 = textureRect.y1();
-		double tx2 = textureRect.x2();
-		double ty2 = textureRect.y2();
+		double tx1 = textureRect.xMin();
+		double ty1 = textureRect.yMin();
+		double tx2 = textureRect.xMax();
+		double ty2 = textureRect.yMax();
 
 		// tp
 		// mi
@@ -916,4 +921,29 @@ public class RenderUtils {
 	{
 		glTranslated(coord.x, coord.y, coord.z);
 	}
+
+
+	public static void rotateX(double angle)
+	{
+		rotate(angle, AXIS_X);
+	}
+
+
+	public static void rotateY(double angle)
+	{
+		rotate(angle, AXIS_Y);
+	}
+
+
+	public static void rotateZ(double angle)
+	{
+		rotate(angle, AXIS_Z);
+	}
+
+
+	public static void rotate(double angle, Coord axis)
+	{
+		Coord vec = axis.norm(1);
+		glRotated(angle, vec.x, vec.y, vec.z);
+	}
 }

src/mightypork/rogue/util/Utils.java

@@ -7,4 +7,9 @@ package mightypork.rogue.util;
  * @author MightyPork
  */
 public class Utils {
+	public static Thread runAsThread(Runnable r) {
+		Thread t = new Thread(r);
+		t.start();
+		return t;
+	}
 }

src/mightypork/utils/logging/Log.java

@@ -8,7 +8,7 @@ import java.util.HashMap;
 public class Log {
 
 	/** enable static logging */
-	private static boolean esl;
+	private static boolean esl = true;
 
 
 	/**

src/mightypork/utils/math/Calc.java

@@ -7,7 +7,7 @@ import java.util.List;
 import java.util.Random;
 
 import mightypork.utils.math.coord.Coord;
-import mightypork.utils.math.coord.Vec;
+import mightypork.utils.math.easing.Easing;
 
 import org.lwjgl.BufferUtils;
 
@@ -31,7 +31,7 @@ public class Calc {
 	 * @param point point coordinate
 	 * @return distance
 	 */
-	public static double linePointDist(Vec lineDirVec, Coord linePoint, Coord point)
+	public static double linePointDist(Coord lineDirVec, Coord linePoint, Coord point)
 	{
 		// line point L[lx,ly]
 		double lx = linePoint.x;
@@ -59,9 +59,9 @@ public class Calc {
 	 * @param point point coordinate
 	 * @return distance
 	 */
-	public static double linePointDistXZ(Vec lineDirVec, Coord linePoint, Coord point)
+	public static double linePointDistXZ(Coord lineDirVec, Coord linePoint, Coord point)
 	{
-		return linePointDist(new Vec(lineDirVec.x, lineDirVec.z), new Coord(linePoint.x, linePoint.z), new Coord(point.x, point.z));
+		return linePointDist(new Coord(lineDirVec.x, lineDirVec.z), new Coord(linePoint.x, linePoint.z), new Coord(point.x, point.z));
 	}
 
 
@@ -739,28 +739,45 @@ public class Calc {
 	/**
 	 * Get number from A to B at delta time (tween A to B)
 	 * 
-	 * @param last last number
-	 * @param now new number
-	 * @param dtime delta time
+	 * @param from last number
+	 * @param to new number
+	 * @param time time 0..1
+	 * @param easing easing function
 	 * @return current number to render
 	 */
-	public static double interpolate(double last, double now, double dtime)
-	{
-		return last + (now - last) * dtime;
+	public static double interpolate(double from, double to, double time, Easing easing)
+	{		
+		return from + (to - from) * easing.get(time);
 	}
 
 
 	/**
 	 * Get angle [degrees] from A to B at delta time (tween A to B)
 	 * 
-	 * @param last last angle
-	 * @param now new angle
-	 * @param delta delta time
+	 * @param from last angle
+	 * @param to new angle
+	 * @param time time 0..1
+	 * @param easing  easing function
+	 * @return current angle to render
+	 */
+	public static double interpolateDeg(double from, double to, double time, Easing easing)
+	{
+		return Deg.norm(from - Deg.delta(to, from) * easing.get(time));		
+	}
+
+
+	/**
+	 * Get angle [radians] from A to B at delta time (tween A to B)
+	 * 
+	 * @param from last angle
+	 * @param to new angle
+	 * @param time time 0..1
+	 * @param easing  easing function
 	 * @return current angle to render
 	 */
-	public static double interpolateDeg(double last, double now, double delta)
+	public static double interpolateRad(double from, double to, double time, Easing easing)
 	{
-		return Deg.norm(last + Deg.delta(now, last) * delta);
+		return Rad.norm(from - Rad.delta(to, from) * easing.get(time));		
 	}
 
 

src/mightypork/utils/math/Polar.java

@@ -1,6 +1,8 @@
 package mightypork.utils.math;
 
 
+import mightypork.utils.math.Calc.Deg;
+import mightypork.utils.math.Calc.Rad;
 import mightypork.utils.math.coord.Coord;
 
 
@@ -12,18 +14,87 @@ import mightypork.utils.math.coord.Coord;
 public class Polar {
 
 	/** angle in radians */
-	public double angle = 0;
+	private double angle = 0;
+
 	/** distance in units */
-	public double distance = 0;
+	private double radius = 0;
 
 
 	/**
-	 * @param angle angle in radians
+	 * Create a polar
+	 * 
+	 * @param angle angle in RAD
 	 * @param distance distance from origin
 	 */
 	public Polar(double angle, double distance) {
+		this(angle, false, distance);
+	}
+
+
+	/**
+	 * Create a polar
+	 * 
+	 * @param angle angle
+	 * @param deg angle is in DEG
+	 * @param distance radius
+	 */
+	public Polar(double angle, boolean deg, double distance) {
+		this.radius = distance;
+		this.angle = deg ? Deg.toRad(angle) : angle;
+	}
+
+
+	/**
+	 * @return angle in RAD
+	 */
+	public double getAngle()
+	{
+		return angle;
+	}
+
+
+	/**
+	 * @return angle in DEG
+	 */
+	public double getAngleDeg()
+	{
+		return Rad.toDeg(angle);
+	}
+
+
+	/**
+	 * @param angle angle in RAD
+	 */
+	public void setAngle(double angle)
+	{
 		this.angle = angle;
-		this.distance = distance;
+	}
+
+
+	/**
+	 * @param angle angle in DEG
+	 */
+	public void setAngleDeg(double angle)
+	{
+		this.angle = Deg.toRad(angle);
+	}
+
+
+	/**
+	 * @return radius
+	 */
+	public double getRadius()
+	{
+		return radius;
+	}
+
+
+	/**
+	 * @param r radius
+	 */
+	public void setRadius(double r)
+	{
+		this.radius = r;
 	}
 
 
@@ -52,19 +123,6 @@ public class Polar {
 	}
 
 
-	/**
-	 * Make polar from coords
-	 * 
-	 * @param x x coord
-	 * @param z z coord
-	 * @return polar
-	 */
-	public static Polar fromCoordXZ(double x, double z)
-	{
-		return Polar.fromCoordXZ(new Coord(x, 0, z));
-	}
-
-
 	/**
 	 * Get coord from polar
 	 * 
@@ -72,36 +130,40 @@ public class Polar {
 	 */
 	public Coord toCoord()
 	{
-		return new Coord(distance * Math.cos(angle), distance * Math.sin(angle));
+		return new Coord(radius * Math.cos(angle), radius * Math.sin(angle));
 	}
 
 
-	/**
-	 * Get X,0,Y coord from polar
-	 * 
-	 * @return coord
-	 */
-	public Coord toCoordXZ()
+	@Override
+	public String toString()
 	{
-		return new Coord(distance * Math.cos(angle), 0, distance * Math.sin(angle));
+		return "Polar(" + angle + "rad, " + radius + ")";
 	}
 
 
 	@Override
-	public String toString()
+	public int hashCode()
 	{
-		return "Polar(theta=" + angle + ", r=" + distance + ")";
+		final int prime = 31;
+		int result = 1;
+		long temp;
+		temp = Double.doubleToLongBits(angle);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(radius);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		return result;
 	}
 
 
-	/**
-	 * Build polar from X,Z instead of X,Y
-	 * 
-	 * @param coord cpprd with X,Z
-	 * @return polar
-	 */
-	public static Polar fromCoordXZ(Coord coord)
+	@Override
+	public boolean equals(Object obj)
 	{
-		return fromCoord(coord.x, coord.z);
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (!(obj instanceof Polar)) return false;
+		Polar other = (Polar) obj;
+		if (Double.doubleToLongBits(angle) != Double.doubleToLongBits(other.angle)) return false;
+		if (Double.doubleToLongBits(radius) != Double.doubleToLongBits(other.radius)) return false;
+		return true;
 	}
 }

src/mightypork/utils/math/PolarDeg.java

@@ -1,111 +0,0 @@
-package mightypork.utils.math;
-
-
-import mightypork.utils.math.Calc.Deg;
-import mightypork.utils.math.Calc.Rad;
-import mightypork.utils.math.coord.Coord;
-
-
-/**
- * Polar coordinate in degrees
- * 
- * @author MightyPork
- */
-public class PolarDeg {
-
-	/** angle in degrees */
-	public double angle = 0;
-	/** distance in units */
-	public double distance = 0;
-
-
-	/**
-	 * Polar coordinate in degrees
-	 * 
-	 * @param angle angle in degrees
-	 * @param distance distance from origin
-	 */
-	public PolarDeg(double angle, double distance) {
-		this.angle = angle;
-		this.distance = distance;
-	}
-
-
-	/**
-	 * Make polar from coord
-	 * 
-	 * @param coord coord
-	 * @return polar
-	 */
-	public static PolarDeg fromCoord(Coord coord)
-	{
-		return new PolarDeg(Rad.toDeg(Math.atan2(coord.y, coord.x)), Math.sqrt(Calc.square(coord.x) + Calc.square(coord.y)));
-	}
-
-
-	/**
-	 * Make polar from coords
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @return polar
-	 */
-	public static PolarDeg fromCoord(double x, double y)
-	{
-		return PolarDeg.fromCoord(new Coord(x, y));
-	}
-
-
-	/**
-	 * Make polar from coords
-	 * 
-	 * @param x x coord
-	 * @param z y coord
-	 * @return polar
-	 */
-	public static PolarDeg fromCoordXZ(double x, double z)
-	{
-		return PolarDeg.fromCoordXZ(new Coord(x, 0, z));
-	}
-
-
-	/**
-	 * Get coord from polar
-	 * 
-	 * @return coord
-	 */
-	public Coord toCoord()
-	{
-		return new Coord(distance * Math.cos(Deg.toRad(angle)), distance * Math.sin(Deg.toRad(angle)));
-	}
-
-
-	/**
-	 * Get X,0,Y coord from polar
-	 * 
-	 * @return coord
-	 */
-	public Coord toCoordXZ()
-	{
-		return new Coord(distance * Math.cos(Deg.toRad(angle)), 0, distance * Math.sin(Deg.toRad(angle)));
-	}
-
-
-	@Override
-	public String toString()
-	{
-		return "Polar(theta=" + angle + ", r=" + distance + ")";
-	}
-
-
-	/**
-	 * Build polar from X,Z instead of X,Y
-	 * 
-	 * @param coord cpprd with X,Z
-	 * @return polar
-	 */
-	public static PolarDeg fromCoordXZ(Coord coord)
-	{
-		return fromCoord(coord.x, coord.z);
-	}
-}

src/mightypork/utils/math/coord/Coord.java

@@ -4,7 +4,6 @@ package mightypork.utils.math.coord;
 import java.util.Random;
 
 import mightypork.utils.math.Calc;
-import mightypork.utils.time.Updateable;
 
 
 /**
@@ -12,13 +11,7 @@ import mightypork.utils.time.Updateable;
  * 
  * @author MightyPork
  */
-public class Coord implements Updateable {
-
-	/** Coord [1;1;1] */
-	public static final Coord ONE = new Coord(1, 1, 1);
-
-	/** Zero Coord */
-	public static final Coord ZERO = new Coord(0, 0);
+public class Coord {
 
 	/** RNG */
 	protected static Random rand = new Random();
@@ -63,14 +56,6 @@ public class Coord implements Updateable {
 				(rand.nextBoolean() ? -1 : 1) * (min + rand.nextDouble() * (max - min)));
 	}
 
-	private double animTime = 0;
-
-	private Vec offs;
-
-	private Coord start;
-
-	private double time = 0;
-
 	/** X coordinate */
 	public double x = 0;
 
@@ -130,7 +115,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord add(Coord vec)
 	{
-		return copy().add_ip(vec);
+		return getCopy().add_ip(vec);
 	}
 
 
@@ -143,7 +128,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord add(Number x, Number y)
 	{
-		return copy().add_ip(x, y);
+		return getCopy().add_ip(x, y);
 	}
 
 
@@ -157,7 +142,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord add(Number x, Number y, Number z)
 	{
-		return copy().add_ip(x, y, z);
+		return getCopy().add_ip(x, y, z);
 	}
 
 
@@ -208,25 +193,10 @@ public class Coord implements Updateable {
 	}
 
 
-	/**
-	 * Start animation
-	 * 
-	 * @param time anim length
-	 */
-	public void animate(double time)
-	{
-		if (start == null) start = new Coord();
-		if (offs == null) offs = new Vec();
-		this.time = time;
-		animTime = 0;
-		offs = start.vecTo(this);
-	}
-
-
 	/**
 	 * @return copy of this vector
 	 */
-	public Coord copy()
+	public Coord getCopy()
 	{
 		return new Coord(x, y, z);
 	}
@@ -252,7 +222,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord div(double d)
 	{
-		return copy().div_ip(d);
+		return getCopy().div_ip(d);
 	}
 
 
@@ -272,48 +242,6 @@ public class Coord implements Updateable {
 	}
 
 
-	@Override
-	public boolean equals(Object obj)
-	{
-		if (obj == null) return false;
-		if (!obj.getClass().isAssignableFrom(Coord.class)) return false;
-		Coord other = (Coord) obj;
-		return x == other.x && y == other.y && z == other.z;
-	}
-
-
-	/**
-	 * Get current value (animated)
-	 * 
-	 * @return curent value
-	 */
-	public Coord getDelta()
-	{
-		if (start == null) start = new Coord();
-		if (offs == null) offs = new Vec();
-		if (isFinished()) return this;
-		return new Coord(start.add(offs.scale(animTime / time)));
-	}
-
-
-	@Override
-	public int hashCode()
-	{
-		return Double.valueOf(x).hashCode() ^ Double.valueOf(y).hashCode() ^ Double.valueOf(z).hashCode();
-	}
-
-
-	/**
-	 * Get if animation is finished
-	 * 
-	 * @return is finished
-	 */
-	public boolean isFinished()
-	{
-		return animTime >= time;
-	}
-
-
 	/**
 	 * Check if this rectangle in inside a rectangular zone
 	 * 
@@ -347,7 +275,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord midTo(Coord other)
 	{
-		return add(vecTo(other).scale(0.5));
+		return add(vecTo(other).mul_ip(0.5));
 	}
 
 
@@ -359,7 +287,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord mul(double d)
 	{
-		return copy().mul_ip(d);
+		return getCopy().mul_ip(d);
 	}
 
 
@@ -373,7 +301,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord mul(double xd, double yd, double zd)
 	{
-		return copy().mul_ip(xd, yd, zd);
+		return getCopy().mul_ip(xd, yd, zd);
 	}
 
 
@@ -417,10 +345,9 @@ public class Coord implements Updateable {
 	 */
 	public Coord random_offset(double max)
 	{
-		Coord r = random(1);
-		Vec v = new Vec(r);
-		v.norm_ip(0.00001 + rand.nextDouble() * max);
-		return copy().add_ip(v);
+		Coord v = random(1).norm_ip(0.00001 + rand.nextDouble() * max);
+
+		return getCopy().add_ip(v);
 	}
 
 
@@ -433,7 +360,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord random_offset(double min, double max)
 	{
-		return copy().add_ip(random(min, max));
+		return getCopy().add_ip(random(min, max));
 	}
 
 
@@ -463,17 +390,6 @@ public class Coord implements Updateable {
 	}
 
 
-	/**
-	 * Remember position (other changes will be for animation)
-	 */
-	public void remember()
-	{
-		if (start == null) start = new Coord();
-		if (offs == null) offs = new Vec();
-		start.setTo(this);
-	}
-
-
 	/**
 	 * Get a copy with rounded coords
 	 * 
@@ -481,7 +397,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord round()
 	{
-		return copy().round_ip();
+		return getCopy().round_ip();
 	}
 
 
@@ -577,7 +493,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord setX(Number x)
 	{
-		return copy().setX_ip(x);
+		return getCopy().setX_ip(x);
 	}
 
 
@@ -602,7 +518,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord setY(Number y)
 	{
-		return copy().setY_ip(y);
+		return getCopy().setY_ip(y);
 	}
 
 
@@ -627,7 +543,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord setZ(Number z)
 	{
-		return copy().setZ_ip(z);
+		return getCopy().setZ_ip(z);
 	}
 
 
@@ -644,17 +560,6 @@ public class Coord implements Updateable {
 	}
 
 
-	/**
-	 * Get size
-	 * 
-	 * @return size
-	 */
-	public double size()
-	{
-		return new Vec(this).size();
-	}
-
-
 	/**
 	 * Get a copy subtracted by vector
 	 * 
@@ -663,7 +568,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord sub(Coord vec)
 	{
-		return copy().sub_ip(vec);
+		return getCopy().sub_ip(vec);
 	}
 
 
@@ -676,7 +581,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord sub(Number x, Number y)
 	{
-		return copy().sub_ip(x, y);
+		return getCopy().sub_ip(x, y);
 	}
 
 
@@ -690,7 +595,7 @@ public class Coord implements Updateable {
 	 */
 	public Coord sub(Number x, Number y, Number z)
 	{
-		return copy().sub_ip(x, y, z);
+		return getCopy().sub_ip(x, y, z);
 	}
 
 
@@ -741,52 +646,15 @@ public class Coord implements Updateable {
 	}
 
 
-	/**
-	 * Convert X and Y coordinates of this coord to a new CoordI.
-	 * 
-	 * @return the new CoordI
-	 */
-	public CoordI toCoordI()
-	{
-		return new CoordI((int) Math.round(x), (int) Math.round(y));
-	}
-
-
-	@Override
-	public String toString()
-	{
-		return "[ " + x + " ; " + y + " ; " + z + " ]";
-	}
-
-
-	/**
-	 * Update delta timing
-	 * 
-	 * @param delta delta time to add
-	 */
-	@Override
-	public void update(double delta)
-	{
-		if (start == null) start = new Coord();
-		if (offs == null) offs = new Vec();
-		animTime = Calc.clampd(animTime + delta, 0, time);
-		if (isFinished()) {
-			time = 0;
-			animTime = 0;
-			start.setTo(this);
-		}
-	}
-
-
 	/**
 	 * Create vector from this point to other point
 	 * 
 	 * @param point second point
 	 * @return vector
 	 */
-	public Vec vecTo(Coord point)
+	public Coord vecTo(Coord point)
 	{
-		return (Vec) (new Vec(point)).add(new Vec(this).neg());
+		return point.sub(this);
 	}
 
 
@@ -896,4 +764,213 @@ public class Coord implements Updateable {
 	{
 		return (int) Math.round(z);
 	}
+
+
+	/**
+	 * Get cross product of two vectors
+	 * 
+	 * @param a 1st vector
+	 * @param b 2nd vector
+	 * @return cross product
+	 */
+	public static Coord cross(Coord a, Coord b)
+	{
+		return a.cross(b);
+	}
+
+
+	/**
+	 * Get dot product of two vectors
+	 * 
+	 * @param a 1st vector
+	 * @param b 2nd vector
+	 * @return dot product
+	 */
+	public static double dot(Coord a, Coord b)
+	{
+		return a.dot(b);
+	}
+
+
+	/**
+	 * Multiply by other vector, vector multiplication
+	 * 
+	 * @param vec other vector
+	 * @return copy multiplied
+	 */
+	public Coord cross(Coord vec)
+	{
+		return getCopy().cross_ip(vec);
+	}
+
+
+	/**
+	 * Multiply by other vector, vector multiplication; in place
+	 * 
+	 * @param vec other vector
+	 * @return this
+	 */
+	public Coord cross_ip(Coord vec)
+	{
+		setTo(y * vec.z - z * vec.y, z * vec.x - x * vec.z, x * vec.y - y * vec.x);
+		return this;
+	}
+
+
+	/**
+	 * Get dot product
+	 * 
+	 * @param vec other vector
+	 * @return dot product
+	 */
+	public double dot(Coord vec)
+	{
+		return x * vec.x + y * vec.y + z * vec.z;
+	}
+
+
+	/**
+	 * Negate all coordinates (* -1)
+	 * 
+	 * @return negated coordinate
+	 */
+	public Coord neg()
+	{
+		return getCopy().neg_ip();
+	}
+
+
+	/**
+	 * Negate all coordinates (* -1), in place
+	 * 
+	 * @return this
+	 */
+	public Coord neg_ip()
+	{
+		mul_ip(-1);
+		return this;
+	}
+
+
+	/**
+	 * Scale vector to given size
+	 * 
+	 * @param size size we need
+	 * @return scaled vector
+	 */
+	public Coord norm(double size)
+	{
+		return getCopy().norm_ip(size);
+	}
+
+
+	/**
+	 * Scale vector to given size, in place
+	 * 
+	 * @param size size we need
+	 * @return scaled vector
+	 */
+	public Coord norm_ip(double size)
+	{
+		if (size() == 0) {
+			z = -1;
+		}
+		if (size == 0) {
+			setTo(0, 0, 0);
+			return this;
+		}
+		double k = size / size();
+		mul_ip(k);
+		return this;
+	}
+
+
+	/**
+	 * Get vector size
+	 * 
+	 * @return vector size in units
+	 */
+	public double size()
+	{
+		return Math.sqrt(x * x + y * y + z * z);
+	}
+
+
+	/**
+	 * Get copy divided by two
+	 * @return copy halved
+	 */
+	public Coord half()
+	{
+		return getCopy().half_ip();
+	}
+
+
+	/**
+	 * Divide in place by two
+	 * @return this
+	 */
+	public Coord half_ip()
+	{
+		mul_ip(0.5);
+		return this;
+	}
+
+
+	@Override
+	public String toString()
+	{
+		return "[" + x + ", " + y + ", " + z + "]";
+	}
+
+
+	@Override
+	public int hashCode()
+	{
+		final int prime = 31;
+		int result = 1;
+		long temp;
+		temp = Double.doubleToLongBits(x);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(y);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(z);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		return result;
+	}
+
+
+	@Override
+	public boolean equals(Object obj)
+	{
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (!(obj instanceof Coord)) return false;
+		Coord other = (Coord) obj;
+		if (Double.doubleToLongBits(x) != Double.doubleToLongBits(other.x)) return false;
+		if (Double.doubleToLongBits(y) != Double.doubleToLongBits(other.y)) return false;
+		if (Double.doubleToLongBits(z) != Double.doubleToLongBits(other.z)) return false;
+		return true;
+	}
+
+
+	/**
+	 * @return true if this coord is a zero coord
+	 */
+	public boolean isZero()
+	{
+		return x == 0 && y == 0 && z == 0;
+	}
+
+
+	public static Coord zero()
+	{
+		return new Coord(0, 0, 0);
+	}
+
+
+	public static Coord one()
+	{
+		return new Coord(1, 1, 1);
+	}
 }

src/mightypork/utils/math/coord/CoordAnimated.java

@@ -0,0 +1,94 @@
+package mightypork.utils.math.coord;
+
+import mightypork.utils.math.Calc;
+import mightypork.utils.time.Updateable;
+
+
+public class CoordAnimated extends Coord implements Updateable {
+
+	private double animTime = 0;
+	private Coord offs;
+	private Coord start;
+	private double time = 0;
+
+	/**
+	 * Update delta timing
+	 * 
+	 * @param delta delta time to add
+	 */
+	@Override
+	public void update(double delta)
+	{
+		if (start == null) start = new Coord();
+		if (offs == null) offs = new Coord();
+		animTime = Calc.clampd(animTime + delta, 0, time);
+		if (animIsFinished()) {
+			time = 0;
+			animTime = 0;
+			start.setTo(this);
+		}
+	}
+
+	/**
+	 * Remember position (other changes will be for animation)
+	 */
+	public void animRemember()
+	{
+		if (start == null) start = new Coord();
+		if (offs == null) offs = new Coord();
+		start.setTo(this);
+		offs = Coord.zero();
+	}
+
+	/**
+	 * Start animation
+	 * 
+	 * @param time anim length
+	 */
+	public void animStart(double time)
+	{
+		if (start == null) start = new Coord();
+		if (offs == null) offs = new Coord();
+		this.time = time;
+		animTime = 0;
+		offs = start.vecTo(this);
+	}
+
+	/**
+	 * Stop animation, assign to current value
+	 */
+	public void animStop()
+	{
+		setTo(animGetCurrent());
+		animRemember();
+		animTime = 0;
+	}
+
+	/**
+	 * Get if animation is finished
+	 * 
+	 * @return is finished
+	 */
+	public boolean animIsFinished()
+	{
+		return animTime >= time;
+	}
+
+	/**
+	 * Get current value (animated)
+	 * 
+	 * @return curent value
+	 */
+	public Coord animGetCurrent()
+	{
+		if (time == 0) return getCopy(); // avoid zero division
+	
+		if (start == null) start = new Coord();
+		if (offs == null) offs = new Coord();
+	
+		if (animIsFinished()) return this;
+	
+		return start.add(offs.mul(animTime / time));
+	}
+
+}

src/mightypork/utils/math/coord/CoordI.java

@@ -1,398 +0,0 @@
-package mightypork.utils.math.coord;
-
-
-/**
- * Simple integer coordinate class<br>
- * Unlike Coord, this is suitable for using in array indices etc.
- * 
- * @author MightyPork
- */
-public class CoordI {
-
-	/** X coordinate */
-	public int x = 0;
-	/** Y coordinate */
-	public int y = 0;
-	/** Z coordinate */
-	public int z = 0;
-
-
-	/**
-	 * Create CoordI as copy of other
-	 * 
-	 * @param other coord to copy
-	 */
-	public CoordI(CoordI other) {
-		setTo(other);
-	}
-
-
-	/**
-	 * Integer 2D Coord
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 */
-	public CoordI(int x, int y) {
-		this.x = x;
-		this.y = y;
-	}
-
-
-	/**
-	 * Integer 3D Coord
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @param z z coord
-	 */
-	public CoordI(int x, int y, int z) {
-		this.x = x;
-		this.y = y;
-		this.z = z;
-	}
-
-
-	/**
-	 * Empty cobnstructor 0,0,0
-	 */
-	public CoordI() {
-		x = 0;
-		y = 0;
-		z = 0;
-	}
-
-
-	/**
-	 * Add other coordI coordinates in a copy
-	 * 
-	 * @param other coordI to add
-	 * @return copy modified
-	 */
-	public CoordI add(CoordI other)
-	{
-		return copy().add_ip(other);
-	}
-
-
-	/**
-	 * Add coords in copy
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @return the copy
-	 */
-	public CoordI add(int x, int y)
-	{
-		return copy().add_ip(x, y, 0);
-	}
-
-
-	/**
-	 * Add coords in copy
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @param z z coord
-	 * @return the copy
-	 */
-	public CoordI add(int x, int y, int z)
-	{
-		return copy().add_ip(x, y, z);
-	}
-
-
-	/**
-	 * Add other coordI coordinates in place
-	 * 
-	 * @param move coordI to add
-	 * @return this
-	 */
-	public CoordI add_ip(CoordI move)
-	{
-		x += move.x;
-		y += move.y;
-		z += move.z;
-		return this;
-	}
-
-
-	/**
-	 * Add coords in place
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @return this
-	 */
-	public CoordI add_ip(int x, int y)
-	{
-		this.x += x;
-		this.y += y;
-		return this;
-	}
-
-
-	/**
-	 * Add coords in place
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @param z z coord
-	 * @return this
-	 */
-	public CoordI add_ip(int x, int y, int z)
-	{
-		this.x += x;
-		this.y += y;
-		this.z += z;
-		return this;
-	}
-
-
-	/**
-	 * Get copy
-	 * 
-	 * @return copy
-	 */
-	public CoordI copy()
-	{
-		return new CoordI(x, y, z);
-	}
-
-
-	@Override
-	public boolean equals(Object obj)
-	{
-		if (obj == null) return false;
-		if (obj instanceof CoordI) return ((CoordI) obj).x == x && ((CoordI) obj).y == y && ((CoordI) obj).z == z;
-		return false;
-	}
-
-
-	@Override
-	public int hashCode()
-	{
-		return x ^ y ^ z;
-	}
-
-
-	/**
-	 * Middle of this and other coordinate, rounded to CoordI - integers
-	 * 
-	 * @param other other coordI
-	 * @return middle CoordI
-	 */
-	public CoordI midTo(CoordI other)
-	{
-		return new CoordI((x + other.x) / 2, (y + other.y) / 2, (z + other.z) / 2);
-	}
-
-
-	/**
-	 * Multiply in copy 2D
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @return the copy
-	 */
-	public CoordI mul(double x, double y)
-	{
-		return copy().mul_ip(x, y);
-	}
-
-
-	/**
-	 * Multiply in copy
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @param z z coord
-	 * @return the copy
-	 */
-	public CoordI mul(double x, double y, double z)
-	{
-		return copy().mul_ip(x, y, z);
-	}
-
-
-	/**
-	 * Multiply in place 2D
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @return this
-	 */
-	public CoordI mul_ip(double x, double y)
-	{
-		this.x *= x;
-		this.y *= y;
-		return this;
-	}
-
-
-	/**
-	 * Multiply in place
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @param z z coord
-	 * @return this
-	 */
-	public CoordI mul_ip(double x, double y, double z)
-	{
-		this.x *= x;
-		this.y *= y;
-		this.z *= z;
-		return this;
-	}
-
-
-	/**
-	 * Set to coords from other coord
-	 * 
-	 * @param other source coord
-	 */
-	public void setTo(CoordI other)
-	{
-		if (other == null) {
-			setTo(0, 0, 0);
-			return;
-		}
-		this.x = other.x;
-		this.y = other.y;
-		this.z = other.z;
-	}
-
-
-	/**
-	 * Set coords to
-	 * 
-	 * @param x x coord to set
-	 * @param y y coord to set
-	 */
-	public void setTo(int x, int y)
-	{
-		this.x = x;
-		this.y = y;
-	}
-
-
-	/**
-	 * Set coords to
-	 * 
-	 * @param x x coord to set
-	 * @param y y coord to set
-	 * @param z z coord to set
-	 */
-	public void setTo(int x, int y, int z)
-	{
-		this.x = x;
-		this.y = y;
-		this.z = z;
-	}
-
-
-	/**
-	 * Subtract other coordI coordinates in a copy
-	 * 
-	 * @param other coordI to subtract
-	 * @return copy subtracted
-	 */
-	public CoordI sub(CoordI other)
-	{
-		return copy().sub_ip(other);
-	}
-
-
-	/**
-	 * Subtract x,y in a copy
-	 * 
-	 * @param x x to subtract
-	 * @param y y to subtract
-	 * @return copy subtracted
-	 */
-	public CoordI sub(int x, int y)
-	{
-		return copy().sub_ip(new CoordI(x, y));
-	}
-
-
-	/**
-	 * Subtract x,y,z in a copy
-	 * 
-	 * @param x x to subtract
-	 * @param y y to subtract
-	 * @param z z to subtract
-	 * @return copy subtracted
-	 */
-	public CoordI sub(int x, int y, int z)
-	{
-		return copy().sub_ip(new CoordI(x, y, z));
-	}
-
-
-	/**
-	 * Subtract other coordI coordinates in place
-	 * 
-	 * @param move coordI to subtract
-	 * @return this
-	 */
-	public CoordI sub_ip(CoordI move)
-	{
-		x -= move.x;
-		y -= move.y;
-		z -= move.z;
-		return this;
-	}
-
-
-	/**
-	 * Sub coords in place
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @return this
-	 */
-	public CoordI sub_ip(int x, int y)
-	{
-		this.x -= x;
-		this.y -= y;
-		return this;
-	}
-
-
-	/**
-	 * Sub coords in place
-	 * 
-	 * @param x x coord
-	 * @param y y coord
-	 * @param z z coord
-	 * @return this
-	 */
-	public CoordI sub_ip(int x, int y, int z)
-	{
-		this.x -= x;
-		this.y -= y;
-		this.z -= z;
-		return this;
-	}
-
-
-	/**
-	 * Convert to double Coord
-	 * 
-	 * @return coord with X and y from this CoordI
-	 */
-	public Coord toCoord()
-	{
-		return new Coord(x, y);
-	}
-
-
-	@Override
-	public String toString()
-	{
-		return "[ " + x + " ; " + y + " ; " + z + " ]";
-	}
-
-}

src/mightypork/utils/math/coord/Rect.java

@@ -38,7 +38,7 @@ public class Rect {
 	 * @param height size y
 	 * @return the new rect
 	 */
-	public static Rect fromSize(Coord min, int width, int height)
+	public static Rect fromSize(Coord min, double width, double height)
 	{
 		return new Rect(min, min.add(width, height));
 	}
@@ -47,37 +47,37 @@ public class Rect {
 	/**
 	 * Rectangle from size
 	 * 
-	 * @param i min X
-	 * @param j min Y
+	 * @param x min X
+	 * @param y min Y
 	 * @param size rect size
 	 * @return the rect
 	 */
-	public static Rect fromSize(int i, int j, CoordI size)
+	public static Rect fromSize(int x, int y, Coord size)
 	{
-		return fromSize(i, j, size.x, size.y);
+		return fromSize(x, y, size.x, size.y);
 	}
 
 
 	/**
 	 * Make rect from min coord and size
 	 * 
-	 * @param x1 min x
-	 * @param y1 min y
+	 * @param xMin min x
+	 * @param yMin min y
 	 * @param width size x
 	 * @param height size y
 	 * @return the new rect
 	 */
-	public static Rect fromSize(int x1, int y1, int width, int height)
+	public static Rect fromSize(double xMin, double yMin, double width, double height)
 	{
-		return new Rect(x1, y1, x1 + width, y1 + height);
+		return new Rect(xMin, yMin, xMin + width, yMin + height);
 	}
 
-	/** Highest coordinates xy */
-	protected Coord max = new Coord();
-
 	/** Lowest coordinates xy */
 	protected Coord min = new Coord();
 
+	/** Highest coordinates xy */
+	protected Coord max = new Coord();
+
 
 	/**
 	 * New Rect [0, 0, 0, 0]
@@ -127,7 +127,7 @@ public class Rect {
 	 * @param x width
 	 * @param y height
 	 */
-	public Rect(int x, int y) {
+	public Rect(double x, double y) {
 		this(0, 0, x, y);
 	}
 
@@ -163,7 +163,7 @@ public class Rect {
 	 */
 	public Rect add(double x, double y)
 	{
-		return add(new Vec(x, y));
+		return add(new Coord(x, y));
 	}
 
 
@@ -190,7 +190,7 @@ public class Rect {
 	 */
 	public Rect add_ip(double x, double y)
 	{
-		return add_ip(new Vec(x, y));
+		return add_ip(new Coord(x, y));
 	}
 
 
@@ -718,7 +718,7 @@ public class Rect {
 	 */
 	public Rect sub(double x, double y)
 	{
-		return sub(new Vec(x, y));
+		return sub(new Coord(x, y));
 	}
 
 
@@ -728,7 +728,7 @@ public class Rect {
 	 * @param move offset vector
 	 * @return offset copy
 	 */
-	public Rect sub(Vec move)
+	public Rect sub(Coord move)
 	{
 		return copy().sub_ip(move);
 	}
@@ -743,7 +743,7 @@ public class Rect {
 	 */
 	public Rect sub_ip(double x, double y)
 	{
-		return sub_ip(new Vec(x, y));
+		return sub_ip(new Coord(x, y));
 	}
 
 
@@ -753,7 +753,7 @@ public class Rect {
 	 * @param move offset vector
 	 * @return this
 	 */
-	public Rect sub_ip(Vec move)
+	public Rect sub_ip(Coord move)
 	{
 		min.sub_ip(move);
 		max.sub_ip(move);
@@ -771,7 +771,7 @@ public class Rect {
 	/**
 	 * @return lower x
 	 */
-	public double x1()
+	public double xMin()
 	{
 		return min.x;
 	}
@@ -780,7 +780,7 @@ public class Rect {
 	/**
 	 * @return upper x
 	 */
-	public double x2()
+	public double xMax()
 	{
 		return max.x;
 	}
@@ -789,7 +789,7 @@ public class Rect {
 	/**
 	 * @return lower y
 	 */
-	public double y1()
+	public double yMin()
 	{
 		return min.y;
 	}
@@ -798,7 +798,7 @@ public class Rect {
 	/**
 	 * @return upper y
 	 */
-	public double y2()
+	public double yMax()
 	{
 		return max.y;
 	}

src/mightypork/utils/math/coord/Vec.java

@@ -1,326 +0,0 @@
-package mightypork.utils.math.coord;
-
-
-/**
- * Vector in 2D/3D space.
- * 
- * @author MightyPork
- */
-public class Vec extends Coord {
-
-	/** Vec [1;1;1] */
-	@SuppressWarnings("hiding")
-	public static final Vec ONE = new Vec(1, 1, 1);
-	/** Zero vector */
-	@SuppressWarnings("hiding")
-	public static final Vec ZERO = new Vec(0, 0, 0);
-
-
-	/**
-	 * Get cross product of two vectors
-	 * 
-	 * @param a 1st vector
-	 * @param b 2nd vector
-	 * @return cross product
-	 */
-	public static Vec cross(Vec a, Vec b)
-	{
-		return a.cross(b);
-	}
-
-
-	/**
-	 * Get dot product of two vectors
-	 * 
-	 * @param a 1st vector
-	 * @param b 2nd vector
-	 * @return dot product
-	 */
-	public static double dot(Vec a, Vec b)
-	{
-		return a.dot(b);
-	}
-
-
-	/**
-	 * Generate random coord (gaussian)
-	 * 
-	 * @param max max distance from 0
-	 * @return new coord
-	 */
-	public static Vec random(double max)
-	{
-		return new Vec(Coord.random(max));
-	}
-
-
-	/**
-	 * Generate random coord (min-max)
-	 * 
-	 * @param max max distance from 0
-	 * @return new coord
-	 */
-	public static Vec random(double min, double max)
-	{
-		return new Vec(Coord.random(min, max));
-	}
-
-
-	/**
-	 * Scale vector
-	 * 
-	 * @param a vector
-	 * @param scale
-	 * @return scaled copy
-	 */
-	public static Vec scale(Vec a, double scale)
-	{
-		return a.scale(scale);
-	}
-
-
-	/**
-	 * Get vector size
-	 * 
-	 * @param vec vector to get size of
-	 * @return size in units
-	 */
-	public static double size(Vec vec)
-	{
-		return vec.size();
-	}
-
-
-	/**
-	 * Create zero vector
-	 */
-	public Vec() {
-		super();
-	}
-
-
-	/**
-	 * Create vector as a copy of another
-	 * 
-	 * @param copied copied vector
-	 */
-	public Vec(Coord copied) {
-		super(copied);
-	}
-
-
-	/**
-	 * Create 2D vector
-	 * 
-	 * @param x x coordinate
-	 * @param y y coordinate
-	 */
-	public Vec(Number x, Number y) {
-		super(x, y);
-	}
-
-
-	/**
-	 * Create 3D vector
-	 * 
-	 * @param x x coordinate
-	 * @param y y coordinate
-	 * @param z z coordinate
-	 */
-	public Vec(Number x, Number y, Number z) {
-		super(x, y, z);
-	}
-
-
-	@Override
-	public Vec copy()
-	{
-		return new Vec(this);
-	}
-
-
-	/**
-	 * Multiply by other vector, vector multiplication
-	 * 
-	 * @param vec other vector
-	 * @return copy multiplied
-	 */
-	public Vec cross(Vec vec)
-	{
-		return copy().cross_ip(vec);
-	}
-
-
-	/**
-	 * Multiply by other vector, vector multiplication; in place
-	 * 
-	 * @param vec other vector
-	 * @return this
-	 */
-	public Vec cross_ip(Vec vec)
-	{
-		setTo(y * vec.z - z * vec.y, z * vec.x - x * vec.z, x * vec.y - y * vec.x);
-		return this;
-	}
-
-
-	/**
-	 * Get dot product
-	 * 
-	 * @param vec other vector
-	 * @return dot product
-	 */
-	public double dot(Vec vec)
-	{
-		return x * vec.x + y * vec.y + z * vec.z;
-	}
-
-
-	// STATIC
-
-	/**
-	 * Negate all coordinates (* -1)
-	 * 
-	 * @return negated coordinate
-	 */
-	public Vec neg()
-	{
-		return copy().neg_ip();
-	}
-
-
-	/**
-	 * Negate all coordinates (* -1), in place
-	 * 
-	 * @return this
-	 */
-	public Vec neg_ip()
-	{
-		scale_ip(-1);
-		return this;
-	}
-
-
-	/**
-	 * Scale vector to given size
-	 * 
-	 * @param size size we need
-	 * @return scaled vector
-	 */
-	public Vec norm(double size)
-	{
-		return copy().norm_ip(size);
-	}
-
-
-	/**
-	 * Scale vector to given size, in place
-	 * 
-	 * @param size size we need
-	 * @return scaled vector
-	 */
-	public Vec norm_ip(double size)
-	{
-		if (size() == 0) {
-			z = -1;
-		}
-		if (size == 0) {
-			setTo(0, 0, 0);
-			return this;
-		}
-		double k = size / size();
-		scale_ip(k);
-		return this;
-	}
-
-
-	/**
-	 * offset randomly
-	 * 
-	 * @param max max +- offset
-	 * @return offset coord
-	 */
-	@Override
-	public Vec random_offset(double max)
-	{
-		return (Vec) super.random_offset(max);
-	}
-
-
-	/**
-	 * offset randomly
-	 * 
-	 * @param min min offset
-	 * @param max max offset
-	 * @return offset coord
-	 */
-	@Override
-	public Vec random_offset(double min, double max)
-	{
-		return (Vec) super.random_offset(min, max);
-	}
-
-
-	/**
-	 * offset randomly in place
-	 * 
-	 * @param max max +- offset
-	 * @return this
-	 */
-	@Override
-	public Vec random_offset_ip(double max)
-	{
-		return (Vec) super.random_offset_ip(max);
-	}
-
-
-	/**
-	 * offset randomly in place
-	 * 
-	 * @param min min offset
-	 * @param max max offset
-	 * @return this
-	 */
-	@Override
-	public Vec random_offset_ip(double min, double max)
-	{
-		return (Vec) super.random_offset_ip(min, max);
-	}
-
-
-	/**
-	 * Multiply all coordinates by factor; scalar multiplication
-	 * 
-	 * @param factor multiplier
-	 * @return copy multiplied
-	 */
-	public Vec scale(double factor)
-	{
-		return copy().scale_ip(factor);
-	}
-
-
-	/**
-	 * Multiply all coordinates by factor, in place
-	 * 
-	 * @param factor multiplier
-	 * @return this
-	 */
-	public Vec scale_ip(double factor)
-	{
-		return (Vec) mul_ip(factor);
-	}
-
-
-	/**
-	 * Get vector size
-	 * 
-	 * @return vector size in units
-	 */
-	@Override
-	public double size()
-	{
-		return Math.sqrt(x * x + y * y + z * z);
-	}
-
-}

src/mightypork/utils/math/easing/Easing.java

@@ -0,0 +1,322 @@
+package mightypork.utils.math.easing;
+
+
+import mightypork.utils.math.Calc;
+
+
+/**
+ * Easing function.<br>
+ * The easing function must be time-invariant and it's domain is [0-1].
+ * 
+ * @author MightyPork
+ */
+public interface Easing {
+
+	/**
+	 * Get value of the easing function at given time.
+	 * 
+	 * @param time number in range 0..1
+	 * @return value at given time
+	 */
+	public double get(double time);
+
+	public static final Easing NONE = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double t = Calc.clampd(time, 0, 1);
+
+			return (t < 0.5 ? 0 : 1);
+		}
+	};
+
+	public static final Easing LINEAR = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double t = Calc.clampd(time, 0, 1);
+
+			return t;
+		}
+	};
+
+	public static final Easing QUADRATIC_IN = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double t = Calc.clampd(time, 0, 1);
+
+			return t * t;
+		}
+	};
+
+	public static final Easing QUADRATIC_OUT = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double t = Calc.clampd(time, 0, 1);
+
+			return 1 - (t - 1) * (t - 1);
+		}
+	};
+
+	public static final Easing QUADRATIC = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double t = Calc.clampd(time, 0, 1);
+
+			if (t < 0.5) return QUADRATIC_IN.get(2 * t) * 0.5;
+			return 0.5 + QUADRATIC_OUT.get(2 * t - 1) * 0.5;
+		}
+	};
+
+	public static final Easing CUBIC_IN = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double t = Calc.clampd(time, 0, 1);
+
+			return t * t * t;
+		}
+	};
+	public static final Easing CUBIC_OUT = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double t = Calc.clampd(time, 0, 1);
+
+			return (t - 1) * (t - 1) * (t - 1) + 1;
+		}
+	};
+	public static final Easing CUBIC = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+			t /= d / 2;
+			if (t < 1) return c / 2 * t * t * t + b;
+			t -= 2;
+			return c / 2 * (t * t * t + 2) + b;
+		}
+	};
+	public static final Easing QUARTIC_IN = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+			t /= d;
+			return c * t * t * t * t + b;
+		}
+	};
+	public static final Easing QUARTIC_OUT = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+
+			t /= d;
+			t--;
+			return -c * (t * t * t * t - 1) + b;
+		}
+	};
+	public static final Easing QUARTIC = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+
+			t /= d / 2;
+			if (t < 1) return c / 2 * t * t * t * t + b;
+			t -= 2;
+			return -c / 2 * (t * t * t * t - 2) + b;
+		}
+	};
+	public static final Easing QUINTIC_IN = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+			t /= d;
+			return c * t * t * t * t * t + b;
+		}
+	};
+	public static final Easing QUINTIC_OUT = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+			t /= d;
+			t--;
+			return c * (t * t * t * t * t + 1) + b;
+		}
+	};
+	public static final Easing QUINTIC_IN_OUT = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+			t /= d / 2;
+			if (t < 1) return c / 2 * t * t * t * t * t + b;
+			t -= 2;
+			return c / 2 * (t * t * t * t * t + 2) + b;
+		}
+	};
+	public static final Easing SINE_IN = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+			return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;
+		}
+	};
+	public static final Easing SINE_OUT = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+
+			return c * Math.sin(t / d * (Math.PI / 2)) + b;
+		}
+	};
+	public static final Easing SINE = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+			return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
+		}
+	};
+	public static final Easing EXPO_IN = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+
+			return c * Math.pow(2, 10 * (t / d - 1)) + b;
+		}
+	};
+	public static final Easing EXPO_OUT = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+
+			return c * (-Math.pow(2, -10 * t / d) + 1) + b;
+		}
+	};
+	public static final Easing EXPO = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+
+			t /= d / 2;
+			if (t < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
+			t--;
+			return c / 2 * (-Math.pow(2, -10 * t) + 2) + b;
+		}
+	};
+	public static final Easing CIRC_IN = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+			t /= d;
+			return -c * (Math.sqrt(1 - t * t) - 1) + b;
+		}
+	};
+	public static final Easing CIRC_OUT = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+
+			t--;
+			return c * Math.sqrt(1 - t * t) + b;
+		}
+	};
+	public static final Easing CIRC = new Easing() {
+
+		@Override
+		public double get(double time)
+		{
+			double d = 1;
+			double t = time;
+			double b = 0;
+			double c = (1 - 0);
+
+			t /= d / 2;
+			if (t < 1) return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
+			t -= 2;
+			return c / 2 * (Math.sqrt(1 - t * t) + 1) + b;
+		}
+	};
+}

src/mightypork/utils/objects/Convertor.java

@@ -4,7 +4,6 @@ package mightypork.utils.objects;
 import mightypork.utils.logging.Log;
 import mightypork.utils.math.Range;
 import mightypork.utils.math.coord.Coord;
-import mightypork.utils.math.coord.CoordI;
 
 
 /**
@@ -154,7 +153,6 @@ public class Convertor {
 				return new Coord(Double.parseDouble(parts[0].trim()), Double.parseDouble(parts[1].trim()));
 			}
 			if (o instanceof Coord) return new Coord((Coord) o);
-			if (o instanceof CoordI) return ((CoordI) o).toCoord();
 		} catch (NumberFormatException e) {
 			// ignore
 		}
@@ -267,7 +265,7 @@ public class Convertor {
 	 */
 	public static Coord getCoord(Object o)
 	{
-		return getCoord(o, Coord.ZERO.copy());
+		return getCoord(o, Coord.zero());
 	}
 
 

src/mightypork/utils/objects/Mutable.java

@@ -10,17 +10,11 @@ package mightypork.utils.objects;
 public class Mutable<T> {
 
 	/** The wrapped value */
-	public T o = null;
+	private T o = null;
 
 
 	/**
-	 * Implicint constructor
-	 */
-	public Mutable() {}
-
-
-	/**
-	 * new mutable object
+	 * New mutable object
 	 * 
 	 * @param o value
 	 */
@@ -49,4 +43,38 @@ public class Mutable<T> {
 	{
 		this.o = o;
 	}
+
+
+	@Override
+	public int hashCode()
+	{
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((o == null) ? 0 : o.hashCode());
+		return result;
+	}
+
+
+	@Override
+	public boolean equals(Object obj)
+	{
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (!(obj instanceof Mutable)) return false;
+		
+		Mutable<?> other = (Mutable<?>) obj;		
+		if (o == null) {
+			if (other.o != null) return false;
+		} else if (!o.equals(other.o)) {
+			return false;
+		}
+		return true;
+	}
+	
+	@Override
+	public String toString()
+	{
+		if(o == null) return "<null>";
+		return o.toString();
+	}
 }

src/mightypork/utils/patterns/Destroyable.java

@@ -0,0 +1,14 @@
+package mightypork.utils.patterns;
+
+
+/**
+ * Object that can be destroyed (free resources etc)
+ * 
+ * @author MightyPork
+ */
+public interface Destroyable {
+	/**
+	 * Destroy this object
+	 */
+	public void destroy();
+}

src/mightypork/utils/patterns/Initializable.java

@@ -0,0 +1,14 @@
+package mightypork.utils.patterns;
+
+
+/**
+ * Object that can be initialized
+ * 
+ * @author MightyPork
+ */
+public interface Initializable {
+	/**
+	 * Initialize if not initialized yet
+	 */
+	public void initialize();
+}

src/mightypork/utils/patterns/subscription/Handleable.java

@@ -0,0 +1,18 @@
+package mightypork.utils.patterns.subscription;
+
+
+/**
+ * Something that can be handled by HANDLER.
+ * 
+ * @author MightyPork
+ * @param <HANDLER> handler type
+ */
+public interface Handleable<HANDLER> {
+
+	/**
+	 * Ask handler to handle this message.
+	 * 
+	 * @param handler handler instance
+	 */
+	public void handleBy(HANDLER handler);
+}

src/mightypork/utils/patterns/subscription/MessageBus.java

@@ -0,0 +1,121 @@
+package mightypork.utils.patterns.subscription;
+
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import mightypork.utils.logging.Log;
+
+
+/**
+ * An event bus, accommodating multiple {@link MessageChannel}s.
+ * 
+ * @author MightyPork
+ */
+public class MessageBus implements Subscribable {
+
+	private Set<MessageChannel<?, ?>> channels = new LinkedHashSet<MessageChannel<?, ?>>();
+	private Set<Object> clients = new LinkedHashSet<Object>();
+
+
+	/**
+	 * Add a {@link MessageChannel} to this bus.<br>
+	 * If a channel of matching types is already added, it is returned instead.
+	 * 
+	 * @param channel channel to be added
+	 * @return the channel that's now in the bus
+	 */
+	public MessageChannel<?, ?> addChannel(MessageChannel<?, ?> channel)
+	{
+		// if the channel already exists, return this instance instead.
+		for (MessageChannel<?, ?> ch : channels) {
+			if (ch.equals(channel)) {
+				Log.w("Channel of type "+channel+" already registered.");
+				return ch;
+			}
+		}
+
+		channels.add(channel);
+
+		for (Object c : clients) {
+			channel.addSubscriber(c);
+		}
+
+		return channel;
+	}
+
+
+	/**
+	 * Remove a {@link MessageChannel} from this bus
+	 * 
+	 * @param channel true if channel was removed
+	 */
+	public void removeChannel(MessageChannel<?, ?> channel)
+	{
+		channels.remove(channel);
+
+		for (Object c : clients) {
+			channel.removeSubscriber(c);
+		}
+	}
+
+
+	/**
+	 * Broadcast a message
+	 * 
+	 * @param message message
+	 * @return true if message was accepted by at least one channel
+	 */
+	public boolean broadcast(Object message)
+	{
+		boolean sent = false;
+		for (MessageChannel<?, ?> b : channels) {
+			sent |= b.broadcast(message);
+		}
+		return sent;
+	}
+
+
+	/**
+	 * Subscribe a client to the bus. The client will be connected to all
+	 * current and future channels, until removed from the bus.
+	 * 
+	 * @return <code>true</code>
+	 */
+	@Override
+	public boolean addSubscriber(Object client)
+	{
+		for (MessageChannel<?, ?> b : channels) {
+			b.addSubscriber(client);
+		}
+
+		clients.add(client);
+
+		return true;
+	}
+
+
+	@Override
+	public void removeSubscriber(Object client)
+	{
+		for (MessageChannel<?, ?> b : channels) {
+			b.removeSubscriber(client);
+		}
+
+		clients.remove(client);
+	}
+
+
+	/**
+	 * Add a channel for given message and client type.
+	 * 
+	 * @param messageClass message type
+	 * @param clientClass client type
+	 * @return the created channel instance
+	 */
+	public <F_MESSAGE extends Handleable<F_CLIENT>, F_CLIENT> MessageChannel<?, ?> registerMessageType(Class<F_MESSAGE> messageClass, Class<F_CLIENT> clientClass)
+	{
+		MessageChannel<F_MESSAGE, F_CLIENT> bc = new MessageChannel<F_MESSAGE, F_CLIENT>(messageClass, clientClass);
+		return addChannel(bc);
+	}
+
+}

src/mightypork/utils/patterns/subscription/MessageChannel.java

@@ -0,0 +1,156 @@
+package mightypork.utils.patterns.subscription;
+
+
+import java.util.HashSet;
+import java.util.Set;
+
+
+/**
+ * Message subsystem (broadcaster with clients) to which clients can subscribe.<br>
+ * If more than one type of message is needed, {@link MessageBus} is a better
+ * choice.
+ * 
+ * @author MightyPork
+ * @param <MESSAGE> message type
+ * @param <CLIENT> client (subscriber) type
+ */
+public final class MessageChannel<MESSAGE extends Handleable<CLIENT>, CLIENT> implements Subscribable {
+
+	private Set<CLIENT> clients = new HashSet<CLIENT>();
+
+	private Class<CLIENT> clientClass;
+	private Class<MESSAGE> messageClass;
+
+
+	public MessageChannel(Class<MESSAGE> messageClass, Class<CLIENT> clientClass) {
+		
+		if(messageClass == null || clientClass == null) throw new IllegalArgumentException("Null Message or Client class.");
+		
+		this.clientClass = clientClass;
+		this.messageClass = messageClass;
+	}
+
+
+	@Override
+	public boolean addSubscriber(Object client)
+	{
+		if (!canSubscribe(client)) return false;
+
+		clients.add(clientClass.cast(client));
+		return true;
+	}
+
+
+	@Override
+	public void removeSubscriber(Object client)
+	{
+		clients.remove(client);
+	}
+
+
+	/**
+	 * Try to broadcast a message.<br>
+	 * If message is of wrong type, <code>false</code> is returned.
+	 * 
+	 * @param message a message to send
+	 * @return true if message was sent
+	 */
+	public boolean broadcast(Object message)
+	{
+
+		if (!canBroadcast(message)) return false;
+
+		MESSAGE evt = messageClass.cast(message);
+
+		for (CLIENT client : clients) {
+			sendTo(client, evt);
+		}
+
+		return true;
+	}
+
+
+	/**
+	 * Send a message to a client
+	 * 
+	 * @param client target client
+	 * @param message message to send
+	 */
+	private void sendTo(CLIENT client, MESSAGE message)
+	{
+		((Handleable<CLIENT>) message).handleBy(client);
+	}
+
+
+	/**
+	 * Check if the given message can be broadcasted by this
+	 * {@link MessageChannel}
+	 * 
+	 * @param maybeMessage event object
+	 * @return can be broadcasted
+	 */
+	private boolean canBroadcast(Object maybeMessage)
+	{
+		return messageClass.isInstance(maybeMessage);
+	}
+
+
+	/**
+	 * Check if a client can subscribe to this {@link MessageChannel}
+	 * 
+	 * @param maybeClient client asking for subscription
+	 * @return can subscribe
+	 */
+	public boolean canSubscribe(Object maybeClient)
+	{
+		return clientClass.isInstance(maybeClient);
+	}
+
+
+	@Override
+	public int hashCode()
+	{
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + clientClass.getName().hashCode();
+		result = prime * result + messageClass.getName().hashCode();
+		return result;
+	}
+
+
+	@Override
+	public boolean equals(Object obj)
+	{
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (!(obj instanceof MessageChannel)) return false;
+		
+		MessageChannel<?, ?> other = (MessageChannel<?, ?>) obj;
+
+		if (!clientClass.getName().equals(other.clientClass.getName())) return false;
+
+		if (!messageClass.getName().equals(other.messageClass.getName())) return false;
+
+		return true;
+	}
+	
+	@Override
+	public String toString()
+	{
+		return "CHANNEL( "+messageClass.getSimpleName()+" -> "+clientClass.getSimpleName()+" )";
+	}
+
+
+	/**
+	 * Create an instance for given types
+	 * 
+	 * @param messageClass event class
+	 * @param clientClass client class
+	 * @return the broadcaster
+	 */
+	public static <F_MESSAGE extends Handleable<F_CLIENT>, F_CLIENT> MessageChannel<F_MESSAGE, F_CLIENT> create(Class<F_MESSAGE> messageClass, Class<F_CLIENT> clientClass)
+	{
+		return new MessageChannel<F_MESSAGE, F_CLIENT>(messageClass, clientClass);
+	}
+
+}

src/mightypork/utils/patterns/subscription/Subscribable.java

@@ -0,0 +1,26 @@
+package mightypork.utils.patterns.subscription;
+
+
+/**
+ * Subscribable object
+ * 
+ * @author MightyPork
+ */
+public interface Subscribable {
+
+	/**
+	 * Subscribe a client to messages from this object
+	 * 
+	 * @param client a subscribing client
+	 * @return true if client is now subscribed
+	 */
+	public boolean addSubscriber(Object client);
+
+
+	/**
+	 * Unsubscribe a client from from this object
+	 * 
+	 * @param client a clientto unsubscribe
+	 */
+	public void removeSubscriber(Object client);
+}

src/mightypork/utils/time/AnimDouble.java

@@ -2,6 +2,7 @@ package mightypork.utils.time;
 
 
 import mightypork.utils.math.Calc;
+import mightypork.utils.math.easing.Easing;
 
 
 /**
@@ -12,10 +13,10 @@ import mightypork.utils.math.Calc;
 public class AnimDouble implements Updateable, Pauseable {
 
 	/** target double */
-	protected double endValue = 0;
+	protected double to = 0;
 
 	/** last tick double */
-	protected double startValue = 0;
+	protected double from = 0;
 
 	/** how long the transition should last */
 	protected double duration = 0;
@@ -26,51 +27,91 @@ public class AnimDouble implements Updateable, Pauseable {
 	/** True if this animator is paused */
 	protected boolean paused = false;
 
+	/** Easing fn */
+	protected Easing easing = Easing.LINEAR;
+
 
 	/**
-	 * @param value value
+	 * Create linear animator
+	 * 
+	 * @param value initial value
 	 */
 	public AnimDouble(double value) {
 		setTo(value);
 	}
 
 
+	/**
+	 * Create animator with easing
+	 * 
+	 * @param value initial value
+	 * @param easing easing function
+	 */
+	public AnimDouble(double value, Easing easing) {
+		setTo(value);
+		setEasing(easing);
+	}
+
+
+	/**
+	 * Create as copy of another
+	 * 
+	 * @param other other animator
+	 */
 	public AnimDouble(AnimDouble other) {
 		setTo(other);
 	}
 
 
+	/**
+	 * @return easing function
+	 */
+	public Easing getEasing()
+	{
+		return easing;
+	}
+
+
+	/**
+	 * @param easing easing function
+	 */
+	public void setEasing(Easing easing)
+	{
+		this.easing = easing;
+	}
+
+
 	/**
 	 * Get start value
 	 * 
 	 * @return number
 	 */
-	public double getStartValue()
+	public double getFrom()
 	{
-		return startValue;
+		return from;
 	}
 
 
 	/**
-	 * Get value at delta time
+	 * Get end value
 	 * 
-	 * @return the value
+	 * @return number
 	 */
-	public double getCurrentValue()
+	public double getTo()
 	{
-		if (duration == 0) return endValue;
-		return Calc.interpolate(startValue, endValue, elapsedTime / duration);
+		return to;
 	}
 
 
 	/**
-	 * Get end value
+	 * Get value at delta time
 	 * 
-	 * @return number
+	 * @return the value
 	 */
-	public double getEndValue()
+	public double getCurrentValue()
 	{
-		return endValue;
+		if (duration == 0) return to;
+		return Calc.interpolate(from, to, (elapsedTime / duration), easing);
 	}
 
 
@@ -89,11 +130,13 @@ public class AnimDouble implements Updateable, Pauseable {
 	@Override
 	public void update(double delta)
 	{
+		if (paused) return;
+
 		elapsedTime = Calc.clampd(elapsedTime + delta, 0, duration);
 		if (isFinished()) {
 			duration = 0;
 			elapsedTime = 0;
-			startValue = endValue;
+			from = to;
 		}
 	}
 
@@ -116,7 +159,7 @@ public class AnimDouble implements Updateable, Pauseable {
 	 */
 	public void setTo(double value)
 	{
-		startValue = endValue = value;
+		from = to = value;
 		elapsedTime = 0;
 		duration = 0;
 	}
@@ -129,52 +172,61 @@ public class AnimDouble implements Updateable, Pauseable {
 	 */
 	public void setTo(AnimDouble other)
 	{
-		this.startValue = other.startValue;
-		this.endValue = other.endValue;
+		this.from = other.from;
+		this.to = other.to;
 		this.duration = other.duration;
 		this.elapsedTime = other.elapsedTime;
 		this.paused = other.paused;
+		this.easing = other.easing;
 	}
 
 
 	/**
-	 * Animate between two states, discard current state
+	 * Animate between two states, start from current value (if it's in between)
 	 * 
-	 * @param from initial state
+	 * @param from start value
 	 * @param to target state
 	 * @param time animation time (secs)
 	 */
 	public void animate(double from, double to, double time)
 	{
-		startValue = from;
-		endValue = to;
-		duration = time;
-		elapsedTime = 0;
+		double current = getCurrentValue();
+
+		this.from = from;
+		this.to = to;
+		this.duration = time * (1 - getProgressFromValue(current));
+		this.elapsedTime = 0;
+	}
+
+
+	protected double getProgressFromValue(double value)
+	{
+		double p = 0;
+
+		if (value >= from && value <= to) { // up
+			p = ((value - from) / (to - from));
+		} else if (value >= to && value <= from) { // down
+			p = ((from - value) / (from - to));
+		}
+
+		return p;
 	}
 
 
 	/**
-	 * Animate between two states, start from current value (if it's in between)
+	 * Animate to a value from curretn value
 	 * 
-	 * @param from start value
 	 * @param to target state
 	 * @param time animation time (secs)
 	 */
-	public void fadeTo(double from, double to, double time)
+	public void fadeTo(double to, double time)
 	{
 		double current = getCurrentValue();
 
-		startValue = from;
-		endValue = to;
-		duration = time;
-		elapsedTime = 0;
-
-		// if in between, pick up from where it is
-		if (current >= from && current <= to) { // up
-			elapsedTime = ((current - from) / (to - from)) * time;
-		} else if (current >= to && current <= from) { // down
-			elapsedTime = ((from - current) / (from - to)) * time;
-		}
+		this.from = current;
+		this.to = to;
+		this.duration = time;
+		this.elapsedTime = 0;
 	}
 
 
@@ -185,7 +237,7 @@ public class AnimDouble implements Updateable, Pauseable {
 	 */
 	public void fadeIn(double time)
 	{
-		fadeTo(0, 1, time);
+		animate(0, 1, time);
 	}
 
 
@@ -196,7 +248,7 @@ public class AnimDouble implements Updateable, Pauseable {
 	 */
 	public void fadeOut(double time)
 	{
-		fadeTo(1, 0, time);
+		animate(1, 0, time);
 	}
 
 
@@ -214,7 +266,7 @@ public class AnimDouble implements Updateable, Pauseable {
 	@Override
 	public String toString()
 	{
-		return "Animation(" + startValue + " -> " + endValue + ", t=" + duration + "s, elapsed=" + elapsedTime + "s)";
+		return "Animation(" + from + " -> " + to + ", t=" + duration + "s, elapsed=" + elapsedTime + "s)";
 	}
 
 
@@ -223,7 +275,7 @@ public class AnimDouble implements Updateable, Pauseable {
 	 */
 	public void clear()
 	{
-		startValue = endValue = 0;
+		from = to = 0;
 		elapsedTime = 0;
 		duration = 0;
 		paused = false;
@@ -235,7 +287,7 @@ public class AnimDouble implements Updateable, Pauseable {
 	 */
 	public void stop()
 	{
-		startValue = endValue = getCurrentValue();
+		from = to = getCurrentValue();
 		elapsedTime = 0;
 		duration = 0;
 	}

src/mightypork/utils/time/AnimDoubleDeg.java

@@ -2,40 +2,49 @@ package mightypork.utils.time;
 
 
 import mightypork.utils.math.Calc;
+import mightypork.utils.math.Calc.Deg;
+import mightypork.utils.math.easing.Easing;
 
 
 /**
- * Double which supports delta timing
+ * Degree animator
  * 
  * @author MightyPork
  */
 public class AnimDoubleDeg extends AnimDouble {
 
-	/**
-	 * new AnimDoubleDeg
-	 * 
-	 * @param d value
-	 */
-	public AnimDoubleDeg(double d) {
-		super(d);
+	public AnimDoubleDeg(AnimDouble other) {
+		super(other);
+	}
+
+
+	public AnimDoubleDeg(double value) {
+		super(value);
+	}
+
+
+	public AnimDoubleDeg(double value, Easing easing) {
+		super(value, easing);
 	}
 
 
-	/**
-	 * Get value at delta time
-	 * 
-	 * @return the value
-	 */
 	@Override
 	public double getCurrentValue()
 	{
-		return Calc.interpolateDeg(startValue, endValue, elapsedTime / duration);
+		if (duration == 0) return Deg.norm(to);
+		return Calc.interpolateDeg(from, to, (elapsedTime / duration), easing);
 	}
 
 
 	@Override
-	public void fadeTo(double from, double to, double time)
+	protected double getProgressFromValue(double value)
 	{
-		throw new UnsupportedOperationException("Cannot fadeTo in AnimDoubleDeg. Use animate() instead.");
+		double whole = Deg.diff(from, to);
+		if (Deg.diff(value, from) < whole && Deg.diff(value, to) < whole) {
+			double partial = Deg.diff(from, value);
+			return partial / whole;
+		}
+
+		return 0;
 	}
 }

src/mightypork/utils/time/AnimDoubleRad.java

@@ -0,0 +1,50 @@
+package mightypork.utils.time;
+
+
+import mightypork.utils.math.Calc;
+import mightypork.utils.math.Calc.Rad;
+import mightypork.utils.math.easing.Easing;
+
+
+/**
+ * Radians animator
+ * 
+ * @author MightyPork
+ */
+public class AnimDoubleRad extends AnimDouble {
+
+	public AnimDoubleRad(AnimDouble other) {
+		super(other);
+	}
+
+
+	public AnimDoubleRad(double value) {
+		super(value);
+	}
+
+
+	public AnimDoubleRad(double value, Easing easing) {
+		super(value, easing);
+	}
+
+
+	@Override
+	public double getCurrentValue()
+	{
+		if (duration == 0) return Rad.norm(to);
+		return Calc.interpolateRad(from, to, (elapsedTime / duration), easing);
+	}
+
+
+	@Override
+	protected double getProgressFromValue(double value)
+	{
+		double whole = Rad.diff(from, to);
+		if (Rad.diff(value, from) < whole && Rad.diff(value, to) < whole) {
+			double partial = Rad.diff(from, value);
+			return partial / whole;
+		}
+
+		return 0;
+	}
+}