Converted to Java 7, factored InstanceLock to own file.

.classpath

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="lib" path="lib/jinput.jar" sourcepath="lib/lwjgl-source-2.8.4.zip">
 		<attributes>
 			<attribute name="org.eclipse.jdt.launching.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY" value="Rogue/lib"/>

.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.7

src/mightypork/gamecore/audio/JointVolume.java

@@ -10,7 +10,7 @@ import mightypork.utils.objects.Mutable;
  * 
  * @author MightyPork
  */
-public class JointVolume extends Mutable<Double> {
+public class JointVolume extends Volume {
 	
 	private final Mutable<Double>[] volumes;
 	
@@ -20,7 +20,8 @@ public class JointVolume extends Mutable<Double> {
 	 * 
 	 * @param volumes individual volumes to join
 	 */
-	public JointVolume(Mutable<Double>... volumes) {
+	@SafeVarargs
+	public JointVolume(Volume... volumes) {
 		super(1D);
 		this.volumes = volumes;
 	}

src/mightypork/gamecore/audio/SoundBank.java

@@ -17,8 +17,8 @@ public class SoundBank extends AppAdapter {
 	private static final LoopPlayer NULL_LOOP = new LoopPlayer(NO_SOUND, 0, 0, null);
 	private static final EffectPlayer NULL_EFFECT = new EffectPlayer(NO_SOUND, 0, 0, null);
 	
-	private final Map<String, EffectPlayer> effects = new HashMap<String, EffectPlayer>();
-	private final Map<String, LoopPlayer> loops = new HashMap<String, LoopPlayer>();
+	private final Map<String, EffectPlayer> effects = new HashMap<>();
+	private final Map<String, LoopPlayer> loops = new HashMap<>();
 	
 	
 	public SoundBank(AppAccess app) {

src/mightypork/gamecore/audio/SoundSystem.java

@@ -13,7 +13,6 @@ import mightypork.gamecore.control.bus.events.ResourceLoadRequest;
 import mightypork.gamecore.control.interf.Updateable;
 import mightypork.utils.math.Calc.Buffers;
 import mightypork.utils.math.coord.Coord;
-import mightypork.utils.objects.Mutable;
 
 import org.lwjgl.openal.AL;
 import org.lwjgl.openal.AL10;
@@ -25,7 +24,6 @@ import org.newdawn.slick.openal.SoundStore;
  * 
  * @author MightyPork
  */
-@SuppressWarnings("unchecked")
 public class SoundSystem extends RootBusNode implements Updateable {
 	
 	private static final Coord INITIAL_LISTENER_POS = new Coord(0, 0, 0);
@@ -72,12 +70,12 @@ public class SoundSystem extends RootBusNode implements Updateable {
 	
 	// -- instance --
 	
-	public final Mutable<Double> masterVolume = new Mutable<Double>(1D);
-	public final Mutable<Double> effectsVolume = new JointVolume(masterVolume);
-	public final Mutable<Double> loopsVolume = new JointVolume(masterVolume);
+	public final Volume masterVolume = new Volume(1D);
+	public final Volume effectsVolume = new JointVolume(masterVolume);
+	public final Volume loopsVolume = new JointVolume(masterVolume);
 	
-	private final Set<LoopPlayer> loopPlayers = new HashSet<LoopPlayer>();
-	private final Set<DeferredAudio> resources = new HashSet<DeferredAudio>();
+	private final Set<LoopPlayer> loopPlayers = new HashSet<>();
+	private final Set<DeferredAudio> resources = new HashSet<>();
 	
 	
 	public SoundSystem(AppAccess app) {

src/mightypork/gamecore/audio/Volume.java

@@ -0,0 +1,21 @@
+package mightypork.gamecore.audio;
+
+
+import mightypork.utils.math.Calc;
+import mightypork.utils.objects.Mutable;
+
+
+public class Volume extends Mutable<Double> {
+	
+	public Volume(Double d) {
+		super(d);
+	}
+	
+	
+	@Override
+	public void set(Double d)
+	{
+		super.set(Calc.clampd(d, 0, 1));
+	}
+	
+}

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

@@ -2,8 +2,8 @@ package mightypork.gamecore.audio.players;
 
 
 import mightypork.gamecore.audio.DeferredAudio;
+import mightypork.gamecore.audio.Volume;
 import mightypork.gamecore.control.interf.Destroyable;
-import mightypork.utils.objects.Mutable;
 
 
 public abstract class BaseAudioPlayer implements Destroyable {
@@ -18,21 +18,21 @@ public abstract class BaseAudioPlayer implements Destroyable {
 	private final double basePitch;
 	
 	/** dedicated volume control */
-	private final Mutable<Double> gainMultiplier;
+	private final Volume gainMultiplier;
 	
 	
-	public BaseAudioPlayer(DeferredAudio track, double baseGain, Mutable<Double> gainMultiplier) {
+	public BaseAudioPlayer(DeferredAudio track, double baseGain, Volume gainMultiplier) {
 		this(track, 1, baseGain, gainMultiplier);
 	}
 	
 	
-	public BaseAudioPlayer(DeferredAudio track, double basePitch, double baseGain, Mutable<Double> gainMultiplier) {
+	public BaseAudioPlayer(DeferredAudio track, double basePitch, double baseGain, Volume gainMultiplier) {
 		this.audio = track;
 		
 		this.baseGain = baseGain;
 		this.basePitch = basePitch;
 		
-		if (gainMultiplier == null) gainMultiplier = new Mutable<Double>(1D);
+		if (gainMultiplier == null) gainMultiplier = new Volume(1D);
 		
 		this.gainMultiplier = gainMultiplier;
 	}

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

@@ -2,13 +2,13 @@ package mightypork.gamecore.audio.players;
 
 
 import mightypork.gamecore.audio.DeferredAudio;
+import mightypork.gamecore.audio.Volume;
 import mightypork.utils.math.coord.Coord;
-import mightypork.utils.objects.Mutable;
 
 
 public class EffectPlayer extends BaseAudioPlayer {
 	
-	public EffectPlayer(DeferredAudio track, double basePitch, double baseGain, Mutable<Double> gainMultiplier) {
+	public EffectPlayer(DeferredAudio track, double basePitch, double baseGain, Volume gainMultiplier) {
 		super(track, (float) basePitch, (float) baseGain, gainMultiplier);
 	}
 	

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

@@ -2,10 +2,10 @@ package mightypork.gamecore.audio.players;
 
 
 import mightypork.gamecore.audio.DeferredAudio;
+import mightypork.gamecore.audio.Volume;
 import mightypork.gamecore.control.interf.Updateable;
 import mightypork.gamecore.control.timing.Pauseable;
 import mightypork.utils.math.animation.AnimDouble;
-import mightypork.utils.objects.Mutable;
 
 import org.lwjgl.openal.AL10;
 
@@ -29,7 +29,7 @@ public class LoopPlayer extends BaseAudioPlayer implements Updateable, Pauseable
 	private double outTime = 1;
 	
 	
-	public LoopPlayer(DeferredAudio track, double pitch, double baseGain, Mutable<Double> gainMultiplier) {
+	public LoopPlayer(DeferredAudio track, double pitch, double baseGain, Volume gainMultiplier) {
 		super(track, (float) pitch, (float) baseGain, gainMultiplier);
 		
 		paused = true;

src/mightypork/gamecore/control/GameLoop.java

@@ -19,9 +19,9 @@ import mightypork.gamecore.gui.screens.ScreenRegistry;
  */
 public abstract class GameLoop extends AppModule implements MainLoopTaskRequest.Listener {
 	
-	private final Queue<Runnable> taskQueue = new ConcurrentLinkedQueue<Runnable>();
+	private final Queue<Runnable> taskQueue = new ConcurrentLinkedQueue<>();
 	private TimerDelta timer;
-	private Renderable mainRenderable;
+	private final Renderable mainRenderable;
 	private boolean running = true;
 	
 	

src/mightypork/gamecore/control/bus/BufferedHashSet.java

@@ -16,8 +16,8 @@ import java.util.List;
  */
 public class BufferedHashSet<E> extends HashSet<E> {
 	
-	private final List<E> toAdd = new LinkedList<E>();
-	private final List<Object> toRemove = new LinkedList<Object>();
+	private final List<E> toAdd = new LinkedList<>();
+	private final List<Object> toRemove = new LinkedList<>();
 	private boolean buffering = false;
 	
 	

src/mightypork/gamecore/control/bus/BusAccess.java

@@ -1,8 +1,6 @@
 package mightypork.gamecore.control.bus;
 
 
-
-
 /**
  * Access to an {@link EventBus} instance
  * 

src/mightypork/gamecore/control/bus/EventBus.java

@@ -22,13 +22,13 @@ import mightypork.utils.logging.Log;
 final public class EventBus implements Destroyable {
 	
 	/** Message channels */
-	private final BufferedHashSet<EventChannel<?, ?>> channels = new BufferedHashSet<EventChannel<?, ?>>();
+	private final BufferedHashSet<EventChannel<?, ?>> channels = new BufferedHashSet<>();
 	
 	/** Registered clients */
-	private final BufferedHashSet<Object> clients = new BufferedHashSet<Object>();
+	private final BufferedHashSet<Object> clients = new BufferedHashSet<>();
 	
 	/** Messages queued for delivery */
-	private final DelayQueue<DelayQueueEntry> sendQueue = new DelayQueue<DelayQueueEntry>();
+	private final DelayQueue<DelayQueueEntry> sendQueue = new DelayQueue<>();
 	
 	/** Queue polling thread */
 	private final QueuePollingThread busThread;
@@ -235,7 +235,7 @@ final public class EventBus implements Destroyable {
 		
 		clients.add(client);
 		
-		if(detailedLogging) Log.f3("<bus> Client joined: "+Log.str(client));
+		if (detailedLogging) Log.f3("<bus> Client joined: " + Log.str(client));
 	}
 	
 	
@@ -250,7 +250,7 @@ final public class EventBus implements Destroyable {
 		
 		clients.remove(client);
 		
-		if(detailedLogging) Log.f3("<bus> Client left: "+Log.str(client));
+		if (detailedLogging) Log.f3("<bus> Client left: " + Log.str(client));
 	}
 	
 	

src/mightypork/gamecore/control/bus/EventChannel.java

@@ -53,7 +53,7 @@ final public class EventChannel<EVENT extends Event<CLIENT>, CLIENT> {
 	{
 		if (!canBroadcast(event)) return false;
 		
-		return doBroadcast(eventClass.cast(event), clients, new HashSet<Object>());
+		return doBroadcast(eventClass.cast(event), clients, new HashSet<>());
 	}
 	
 	
@@ -151,7 +151,7 @@ final public class EventChannel<EVENT extends Event<CLIENT>, CLIENT> {
 	 */
 	public static <F_EVENT extends Event<F_CLIENT>, F_CLIENT> EventChannel<F_EVENT, F_CLIENT> create(Class<F_EVENT> eventClass, Class<F_CLIENT> clientClass)
 	{
-		return new EventChannel<F_EVENT, F_CLIENT>(eventClass, clientClass);
+		return new EventChannel<>(eventClass, clientClass);
 	}
 	
 	

src/mightypork/gamecore/control/bus/clients/BusNode.java

@@ -19,7 +19,7 @@ public abstract class BusNode implements BusAccess, DelegatingClient, Toggleable
 	
 	private final BusAccess busAccess;
 	
-	private final Set<Object> clients = new LinkedHashSet<Object>();
+	private final Set<Object> clients = new LinkedHashSet<>();
 	private boolean listening = true;
 	private boolean delegating = true;
 	
@@ -57,7 +57,7 @@ public abstract class BusNode implements BusAccess, DelegatingClient, Toggleable
 	 */
 	public final void addChildClient(Object client)
 	{
-		if(client instanceof RootBusNode) {
+		if (client instanceof RootBusNode) {
 			throw new IllegalArgumentException("Cannot nest RootBusNode.");
 		}
 		

src/mightypork/gamecore/control/bus/clients/RootBusNode.java

@@ -1,5 +1,6 @@
 package mightypork.gamecore.control.bus.clients;
 
+
 import mightypork.gamecore.control.bus.BusAccess;
 import mightypork.gamecore.control.interf.Destroyable;
 
@@ -10,10 +11,10 @@ import mightypork.gamecore.control.interf.Destroyable;
  * @author MightyPork
  */
 public abstract class RootBusNode extends BusNode implements Destroyable {
-
+	
 	public RootBusNode(BusAccess busAccess) {
 		super(busAccess);
-
+		
 		getEventBus().subscribe(this);
 	}
 	

src/mightypork/gamecore/control/interf/NoImpl.java

@@ -10,7 +10,7 @@ import java.lang.annotation.Target;
 
 @Documented
 @Retention(RetentionPolicy.SOURCE)
-@Target(value={ElementType.METHOD})
+@Target(value = { ElementType.METHOD })
 public @interface NoImpl {
 	//
 }

src/mightypork/gamecore/control/timing/FpsMeter.java

@@ -31,7 +31,7 @@ public class FpsMeter {
 		if (System.currentTimeMillis() - lastTimeMillis > 1000) {
 			lastSecFPS = frames;
 			frames = 0;
-			long over = System.currentTimeMillis() - lastTimeMillis - 1000;
+			final long over = System.currentTimeMillis() - lastTimeMillis - 1000;
 			lastTimeMillis = System.currentTimeMillis() - over;
 		}
 		frames++;

src/mightypork/gamecore/gui/renderers/ElementHolder.java

@@ -18,7 +18,7 @@ import mightypork.utils.math.coord.Rect;
  */
 public abstract class ElementHolder extends BusNode implements PluggableRenderable {
 	
-	private final LinkedList<PluggableRenderable> elements = new LinkedList<PluggableRenderable>();
+	private final LinkedList<PluggableRenderable> elements = new LinkedList<>();
 	private RectConstraint context;
 	
 	

src/mightypork/gamecore/gui/renderers/TextPainter.java

@@ -2,15 +2,13 @@ package mightypork.gamecore.gui.renderers;
 
 
 import mightypork.gamecore.render.fonts.FontRenderer;
-import mightypork.gamecore.render.fonts.GLFont;
 import mightypork.gamecore.render.fonts.FontRenderer.Align;
+import mightypork.gamecore.render.fonts.GLFont;
 import mightypork.utils.math.color.RGB;
 import mightypork.utils.string.StringProvider;
 import mightypork.utils.string.StringProvider.StringWrapper;
 
 
-
-
 public class TextPainter extends PluggableRenderer {
 	
 	private final FontRenderer font;
@@ -41,6 +39,7 @@ public class TextPainter extends PluggableRenderer {
 		this(font, align, color, (StringProvider) null);
 	}
 	
+	
 	/**
 	 * Use size specified during font init instead of size provided by
 	 * {@link GLFont} instance (measured from tile heights.<br>
@@ -49,7 +48,8 @@ public class TextPainter extends PluggableRenderer {
 	 * 
 	 * @param enable use it
 	 */
-	public void usePtSize(boolean enable) {
+	public void usePtSize(boolean enable)
+	{
 		font.usePtSize(enable);
 	}
 	

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

@@ -10,7 +10,7 @@ import mightypork.gamecore.render.Render;
 
 public abstract class LayeredScreen extends Screen {
 	
-	private final Collection<ScreenLayer> layers = new TreeSet<ScreenLayer>();
+	private final Collection<ScreenLayer> layers = new TreeSet<>();
 	
 	
 	public LayeredScreen(AppAccess app) {

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

@@ -56,15 +56,17 @@ public abstract class ScreenLayer extends AppSubModule implements Comparable<Scr
 		return screen.getRect();
 	}
 	
-	/**
-	 * @return higher = on top.
-	 */
-	public abstract int getPriority();
 	
 	@Override
 	public final int compareTo(ScreenLayer o)
 	{
-		return Integer.compare(getPriority(), o.getPriority());
+		return getPriority() - o.getPriority();
 	}
 	
+	
+	/**
+	 * @return higher = on top.
+	 */
+	public abstract int getPriority();
+	
 }

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

@@ -13,7 +13,7 @@ import mightypork.utils.logging.Log;
 
 public class ScreenRegistry extends AppModule implements ScreenRequestEvent.Listener, Renderable {
 	
-	private final HashMap<String, Screen> screens = new HashMap<String, Screen>();
+	private final HashMap<String, Screen> screens = new HashMap<>();
 	private Screen active = null;
 	
 	

src/mightypork/gamecore/input/InputSystem.java

@@ -25,6 +25,8 @@ public class InputSystem extends RootBusNode implements Updateable, KeyBinder {
 	private final KeyBindingPool keybindings;
 	
 	private static boolean inited = false;
+	
+	
 	public InputSystem(AppAccess app) {
 		super(app);
 		

src/mightypork/gamecore/input/KeyBindingPool.java

@@ -16,7 +16,7 @@ import mightypork.utils.logging.Log;
  */
 public class KeyBindingPool implements KeyBinder, KeyEvent.Listener {
 	
-	private final Set<KeyBinding> bindings = new HashSet<KeyBinding>();
+	private final Set<KeyBinding> bindings = new HashSet<>();
 	
 	
 	/**

src/mightypork/gamecore/input/KeyStroke.java

@@ -15,7 +15,7 @@ import org.lwjgl.input.Keyboard;
  */
 public class KeyStroke {
 	
-	private final Set<Integer> keys = new LinkedHashSet<Integer>();
+	private final Set<Integer> keys = new LinkedHashSet<>();
 	private final boolean fallingEdge;
 	
 	

src/mightypork/gamecore/loading/AsyncResourceLoader.java

@@ -26,7 +26,7 @@ public class AsyncResourceLoader extends Thread implements ResourceLoadRequest.L
 	
 	private final ExecutorService exs = Executors.newCachedThreadPool();
 	
-	private final LinkedBlockingQueue<DeferredResource> toLoad = new LinkedBlockingQueue<DeferredResource>();
+	private final LinkedBlockingQueue<DeferredResource> toLoad = new LinkedBlockingQueue<>();
 	private boolean stopped;
 	private final BusAccess app;
 	

src/mightypork/gamecore/render/DisplaySystem.java

@@ -200,6 +200,7 @@ public class DisplaySystem extends RootBusNode implements RectConstraint {
 		return new Rect(getSize());
 	}
 	
+	
 	/**
 	 * @return current FPS
 	 */
@@ -208,7 +209,6 @@ public class DisplaySystem extends RootBusNode implements RectConstraint {
 		return fpsMeter.getFPS();
 	}
 	
-
 	public static final NumberConstraint width = new NumberConstraint() {
 		
 		@Override
@@ -218,7 +218,6 @@ public class DisplaySystem extends RootBusNode implements RectConstraint {
 		}
 	};
 	
-
 	public static final NumberConstraint height = new NumberConstraint() {
 		
 		@Override

src/mightypork/gamecore/render/Render.java

@@ -30,6 +30,7 @@ public class Render {
 	private static final Coord AXIS_Y = new Coord(0, 1, 0);
 	private static final Coord AXIS_Z = new Coord(0, 0, 1);
 	
+	
 	/**
 	 * Bind GL color
 	 * 
@@ -464,8 +465,8 @@ public class Render {
 	{
 		quadTextured(quad, txquad.uvs, txquad.tx, tint);
 	}
-
-
+	
+	
 	/**
 	 * Setup Ortho projection for 2D graphics
 	 */
@@ -480,7 +481,7 @@ public class Render {
 		
 		// back to modelview
 		glMatrixMode(GL_MODELVIEW);
-
+		
 		glLoadIdentity();
 		
 		glDisable(GL_LIGHTING);

src/mightypork/gamecore/render/Screenshot.java

@@ -17,10 +17,10 @@ import javax.imageio.ImageIO;
  */
 public class Screenshot {
 	
-	private int width;
-	private int height;
-	private int bpp;
-	private ByteBuffer bytes;
+	private final int width;
+	private final int height;
+	private final int bpp;
+	private final ByteBuffer bytes;
 	private BufferedImage image;
 	
 	

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

@@ -40,7 +40,7 @@ public class DeferredFont extends BaseDeferredResource implements GLFont {
 	private final double size;
 	private final FontStyle style;
 	private final String extraChars;
-	private FilterMode filter;
+	private final FilterMode filter;
 	
 	
 	/**
@@ -107,11 +107,8 @@ public class DeferredFont extends BaseDeferredResource implements GLFont {
 	 */
 	protected Font getAwtFont(String resource, float size, int style) throws FontFormatException, IOException
 	{
-		InputStream in = null;
 		
-		try {
-			
-			in = FileUtils.getResource(resource);
+		try (InputStream in = FileUtils.getResource(resource)) {
 			
 			Font awtFont = Font.createFont(Font.TRUETYPE_FONT, in);
 			
@@ -119,14 +116,8 @@ public class DeferredFont extends BaseDeferredResource implements GLFont {
 			awtFont = awtFont.deriveFont(style);
 			
 			return awtFont;
-			
-		} finally {
-			try {
-				if (in != null) in.close();
-			} catch (final IOException e) {
-				//pass
-			}
 		}
+		
 	}
 	
 	
@@ -171,6 +162,7 @@ public class DeferredFont extends BaseDeferredResource implements GLFont {
 		return font.getGlyphHeight();
 	}
 	
+	
 	@Override
 	public int getSize()
 	{

src/mightypork/gamecore/render/fonts/FontBank.java

@@ -6,8 +6,6 @@ import java.util.HashMap;
 import mightypork.gamecore.control.AppAccess;
 import mightypork.gamecore.control.AppAdapter;
 import mightypork.gamecore.control.bus.events.ResourceLoadRequest;
-import mightypork.gamecore.render.fonts.DeferredFont.FontStyle;
-import mightypork.gamecore.render.textures.FilterMode;
 import mightypork.utils.logging.Log;
 
 import org.newdawn.slick.opengl.Texture;
@@ -21,12 +19,13 @@ import org.newdawn.slick.opengl.Texture;
 public class FontBank extends AppAdapter {
 	
 	private static final GLFont NULL_FONT = new NullFont();
-
+	
+	
 	public FontBank(AppAccess app) {
 		super(app);
 	}
 	
-	private final HashMap<String, GLFont> fonts = new HashMap<String, GLFont>();
+	private final HashMap<String, GLFont> fonts = new HashMap<>();
 	
 	
 	/**

src/mightypork/gamecore/render/fonts/FontRenderer.java

@@ -37,7 +37,7 @@ public class FontRenderer {
 	 * @param font used font
 	 * @param color drawing color
 	 */
-	public FontRenderer(GLFont font, RGB color) {		
+	public FontRenderer(GLFont font, RGB color) {
 		this.font = font;
 		this.color = color;
 	}
@@ -131,12 +131,13 @@ public class FontRenderer {
 		Render.popState();
 	}
 	
-
+	
 	/**
 	 * Draw on screen
 	 * 
 	 * @param text text to draw
-	 * @param bounds drawing bounds (height for font height, horizontal bounds for align)
+	 * @param bounds drawing bounds (height for font height, horizontal bounds
+	 *            for align)
 	 * @param align horizontal alignment (with respect to bounds)
 	 */
 	public void draw(String text, Rect bounds, Align align)
@@ -144,13 +145,13 @@ public class FontRenderer {
 		this.draw(text, bounds, align, this.color);
 	}
 	
-
-
+	
 	/**
 	 * Draw on screen
 	 * 
 	 * @param text text to draw
-	 * @param bounds drawing bounds (height for font height, horizontal bounds for align)
+	 * @param bounds drawing bounds (height for font height, horizontal bounds
+	 *            for align)
 	 * @param align horizontal alignment (with respect to bounds)
 	 * @param color drawing color
 	 */
@@ -190,7 +191,7 @@ public class FontRenderer {
 		draw(text, pos, height, align, this.color);
 	}
 	
-
+	
 	/**
 	 * Draw on screen
 	 * 

src/mightypork/gamecore/render/fonts/GLFont.java

@@ -36,8 +36,8 @@ public interface GLFont {
 	 * @return space needed
 	 */
 	int getWidth(String text);
-
-
+	
+	
 	/**
 	 * @return specified font size
 	 */

src/mightypork/gamecore/render/fonts/NullFont.java

@@ -38,8 +38,8 @@ public class NullFont implements GLFont {
 	{
 		return 0;
 	}
-
-
+	
+	
 	@Override
 	public int getSize()
 	{

src/mightypork/gamecore/render/fonts/SlickFont.java

@@ -4,7 +4,6 @@ package mightypork.gamecore.render.fonts;
 import static org.lwjgl.opengl.GL11.*;
 
 import java.awt.Font;
-import java.lang.reflect.Field;
 
 import mightypork.gamecore.render.Render;
 import mightypork.gamecore.render.textures.FilterMode;
@@ -24,7 +23,7 @@ public class SlickFont implements GLFont {
 	
 	private final TrueTypeFont ttf;
 	private FilterMode filter;
-	private int fsize;
+	private final int fsize;
 	
 	
 	/**
@@ -63,7 +62,7 @@ public class SlickFont implements GLFont {
 	
 	
 	private void prepareForRender()
-	{		
+	{
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter.num);
@@ -114,8 +113,8 @@ public class SlickFont implements GLFont {
 	{
 		return ttf.getWidth(text);
 	}
-
-
+	
+	
 	@Override
 	public int getSize()
 	{

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

@@ -1,7 +1,9 @@
 package mightypork.gamecore.render.textures;
 
+
 import org.lwjgl.opengl.GL11;
 
+
 public enum FilterMode
 {
 	LINEAR(GL11.GL_LINEAR), NEAREST(GL11.GL_NEAREST);
@@ -12,4 +14,4 @@ public enum FilterMode
 	private FilterMode(int gl) {
 		this.num = gl;
 	}
-}
+}

src/mightypork/gamecore/render/textures/TextureBank.java

@@ -22,9 +22,9 @@ public class TextureBank extends AppAdapter {
 		super(app);
 	}
 	
-	private final HashMap<String, DeferredTexture> textures = new HashMap<String, DeferredTexture>();
+	private final HashMap<String, DeferredTexture> textures = new HashMap<>();
 	
-	private final HashMap<String, TxQuad> quads = new HashMap<String, TxQuad>();
+	private final HashMap<String, TxQuad> quads = new HashMap<>();
 	
 	private DeferredTexture lastTx;
 	

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

@@ -1,7 +1,9 @@
 package mightypork.gamecore.render.textures;
 
+
 import org.lwjgl.opengl.GL11;
 
+
 public enum WrapMode
 {
 	CLAMP(GL11.GL_CLAMP), REPEAT(GL11.GL_REPEAT);
@@ -12,4 +14,4 @@ public enum WrapMode
 	private WrapMode(int gl) {
 		this.num = gl;
 	}
-}
+}

src/mightypork/rogue/App.java

@@ -1,9 +1,6 @@
 package mightypork.rogue;
 
 
-import java.io.File;
-import java.io.RandomAccessFile;
-import java.nio.channels.FileLock;
 import java.util.Locale;
 import java.util.logging.Level;
 
@@ -27,6 +24,7 @@ import mightypork.rogue.events.ActionRequest.RequestType;
 import mightypork.rogue.screens.test_bouncyboxes.ScreenTestBouncy;
 import mightypork.rogue.screens.test_cat_sound.ScreenTestCat;
 import mightypork.rogue.screens.test_font.ScreenTestFont;
+import mightypork.utils.files.InstanceLock;
 import mightypork.utils.logging.Log;
 import mightypork.utils.logging.LogInstance;
 
@@ -266,13 +264,13 @@ public class App implements AppAccess {
 	{
 		if (!Config.SINGLE_INSTANCE) return;
 		
-		if (!lockInstance()) {
-			System.err.println("Working directory is locked.\nOnly one instance can run at a time.");
+		if (!InstanceLock.onFile(Paths.LOCK)) {
+			System.err.println("Could not obtain lock.\nOnly one instance can run at a time.");
 			
 			//@formatter:off
 			JOptionPane.showMessageDialog(
 					null,
-					"The game is already running.",
+					"Another instance is already running.",
 					"Instance error",
 					JOptionPane.ERROR_MESSAGE
 			);
@@ -284,41 +282,6 @@ public class App implements AppAccess {
 	}
 	
 	
-	private static 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 (final Exception e) {
-							System.err.println("Unable to remove lock file.");
-							e.printStackTrace();
-						}
-					}
-				});
-				return true;
-			}
-			
-		} catch (final Exception e) {
-			System.err.println("Unable to create and/or lock file.");
-			e.printStackTrace();
-		}
-		return false;
-	}
-	
-	
 	/**
 	 * @return sound system of the running instance
 	 */

src/mightypork/rogue/Paths.java

@@ -9,11 +9,12 @@ import mightypork.utils.files.OsUtils;
 public class Paths {
 	
 	private static final String APPDIR_NAME = "rogue";
-	
+
 	public static final File WORKDIR = OsUtils.getWorkDir(APPDIR_NAME);
 	public static final File LOGS = OsUtils.getWorkDir(APPDIR_NAME, "logs");
 	public static final File SCREENSHOTS = OsUtils.getWorkDir(APPDIR_NAME, "screenshots");
 	public static final File CONFIG = new File(WORKDIR, "config.ini");
+	public static final File LOCK = new File(WORKDIR, ".lock");
 	
 	public static final String DIR_EFFECTS = "res/sounds/effects/";
 	public static final String DIR_MUSIC = "res/sounds/music/";

src/mightypork/rogue/screens/LayerFps.java

@@ -15,7 +15,7 @@ import mightypork.utils.math.coord.Coord;
 public class LayerFps extends ScreenLayer {
 	
 	TextPainter tp;
-	private FontRenderer fr;
+	private final FontRenderer fr;
 	
 	
 	public LayerFps(Screen screen) {
@@ -28,7 +28,7 @@ public class LayerFps extends ScreenLayer {
 	@Override
 	public void render()
 	{
-		Coord pos = new Coord(DisplaySystem.getWidth() - 8, 8);
+		final Coord pos = new Coord(DisplaySystem.getWidth() - 8, 8);
 		fr.draw(getDisplay().getFps() + " fps", pos, 32, Align.RIGHT);
 	}
 	

src/mightypork/rogue/screens/test_bouncyboxes/LayerBouncyBoxes.java

@@ -21,7 +21,7 @@ import mightypork.utils.string.StringProvider;
 
 public class LayerBouncyBoxes extends ScreenLayer {
 	
-	List<BouncyBox> boxes = new ArrayList<BouncyBox>();
+	List<BouncyBox> boxes = new ArrayList<>();
 	private RowHolder layout;
 	
 	
@@ -57,7 +57,7 @@ public class LayerBouncyBoxes extends ScreenLayer {
 			boxes.add(bbr);
 		}
 		
-		StringProvider sp = new StringProvider() {
+		final StringProvider sp = new StringProvider() {
 			
 			@Override
 			public String getString()
@@ -91,7 +91,7 @@ public class LayerBouncyBoxes extends ScreenLayer {
 			bbr.goRight();
 		}
 	}
-
+	
 	
 	@Override
 	public int getPriority()

src/mightypork/rogue/screens/test_bouncyboxes/ScreenTestBouncy.java

@@ -18,10 +18,10 @@ public class ScreenTestBouncy extends LayeredScreen {
 		super(app);
 		
 		layer = new LayerBouncyBoxes(this);
-
+		
 		addLayer(new LayerFps(this));
-
-		addLayer(layer);	
+		
+		addLayer(layer);
 		
 		bindKeyStroke(new KeyStroke(Keys.KEY_C), new Runnable() {
 			
@@ -33,6 +33,7 @@ public class ScreenTestBouncy extends LayeredScreen {
 		});
 	}
 	
+	
 	@Override
 	public String getId()
 	{

src/mightypork/rogue/screens/test_cat_sound/LayerFlyingCat.java

@@ -15,7 +15,6 @@ import mightypork.gamecore.input.InputSystem;
 import mightypork.gamecore.input.KeyStroke;
 import mightypork.gamecore.input.Keys;
 import mightypork.gamecore.render.DisplaySystem;
-import mightypork.gamecore.render.fonts.FontRenderer;
 import mightypork.gamecore.render.fonts.FontRenderer.Align;
 import mightypork.rogue.Res;
 import mightypork.utils.math.animation.AnimDouble;
@@ -106,6 +105,7 @@ public class LayerFlyingCat extends ScreenLayer implements Updateable, MouseButt
 		text.render();
 	}
 	
+	
 	@Override
 	public int getPriority()
 	{

src/mightypork/rogue/screens/test_cat_sound/ScreenTestCat.java

@@ -14,12 +14,10 @@ import mightypork.rogue.screens.LayerFps;
 
 public class ScreenTestCat extends LayeredScreen {
 	
-	
-	
 	public ScreenTestCat(AppAccess app) {
 		super(app);
 		
-		addLayer(new LayerFps(this));		
+		addLayer(new LayerFps(this));
 		addLayer(new LayerFlyingCat(this));
 		
 		bindKeyStroke(new KeyStroke(Keys.KEY_ESCAPE), new Runnable() {

src/mightypork/rogue/screens/test_font/ScreenTestFont.java

@@ -1,8 +1,8 @@
 package mightypork.rogue.screens.test_font;
 
 
-import mightypork.gamecore.control.AppAccess;
 import static mightypork.utils.math.constraints.ConstraintFactory.*;
+import mightypork.gamecore.control.AppAccess;
 import mightypork.gamecore.gui.renderers.TextPainter;
 import mightypork.gamecore.gui.screens.Screen;
 import mightypork.gamecore.render.fonts.FontRenderer.Align;
@@ -22,7 +22,7 @@ public class ScreenTestFont extends Screen {
 		tp = new TextPainter(Res.getFont("default"), Align.CENTER, RGB.GREEN);
 		tp.setText("Hello World!");
 		
-		RectConstraint strbox = c_grow(c_center(this), 0, c_div(c_height(this), 10));
+		final RectConstraint strbox = c_grow(c_center(this), 0, c_div(c_height(this), 10));
 		
 		tp.setContext(strbox);
 	}

src/mightypork/utils/config/PropertyManager.java

@@ -1,9 +1,13 @@
 package mightypork.utils.config;
 
 
-import java.io.*;
-import java.util.*;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Map.Entry;
+import java.util.TreeMap;
 
 import mightypork.utils.math.Range;
 import mightypork.utils.math.coord.Coord;
@@ -155,9 +159,9 @@ public class PropertyManager {
 	 */
 	public PropertyManager(File file, String comment) {
 		this.file = file;
-		this.entries = new TreeMap<String, Property<?>>();
-		this.overrideValues = new TreeMap<String, String>();
-		this.renameTable = new TreeMap<String, String>();
+		this.entries = new TreeMap<>();
+		this.overrideValues = new TreeMap<>();
+		this.renameTable = new TreeMap<>();
 		this.fileComment = comment;
 	}
 	
@@ -168,27 +172,19 @@ public class PropertyManager {
 	public void apply()
 	{
 		boolean needsSave = false;
-		FileInputStream fis = null;
-		try {
-			new File(file.getParent()).mkdirs();
-			fis = new FileInputStream(file);
+		new File(file.getParent()).mkdirs();
+		
+		try (FileInputStream fis = new FileInputStream(file)) {
 			props.load(fis);
-			
 		} catch (final IOException e) {
 			needsSave = true;
 			props = new SortedProperties();
-		} finally {
-			try {
-				if (fis != null) fis.close();
-			} catch (final IOException e) {
-				e.printStackTrace();
-			}
 		}
 		
 		props.cfgBlankRowBetweenSections = cfgSeparateSections;
 		props.cfgBlankRowBeforeComment = cfgNewlineBeforeComments;
 		
-		final ArrayList<String> keyList = new ArrayList<String>();
+		final ArrayList<String> keyList = new ArrayList<>();
 		
 		// rename keys
 		for (final Entry<String, String> entry : renameTable.entrySet()) {

src/mightypork/utils/config/SimpleConfig.java

@@ -62,7 +62,7 @@ public class SimpleConfig {
 	 */
 	public static List<String> listFromString(String text)
 	{
-		final List<String> list = new ArrayList<String>();
+		final List<String> list = new ArrayList<>();
 		
 		final String[] groupsLines = text.split("\n");
 		
@@ -92,7 +92,7 @@ public class SimpleConfig {
 	 */
 	public static Map<String, String> mapFromString(String text)
 	{
-		final LinkedHashMap<String, String> pairs = new LinkedHashMap<String, String>();
+		final LinkedHashMap<String, String> pairs = new LinkedHashMap<>();
 		
 		final String[] groupsLines = text.split("\n");
 		
@@ -148,7 +148,7 @@ public class SimpleConfig {
 	 */
 	public static void mapToFile(File target, Map<String, String> data, boolean allowNulls) throws IOException
 	{
-		final List<String> lines = new ArrayList<String>();
+		final List<String> lines = new ArrayList<>();
 		
 		for (final Entry<String, String> e : data.entrySet()) {
 			String key = e.getKey();

src/mightypork/utils/config/SortedProperties.java

@@ -26,7 +26,7 @@ public class SortedProperties extends java.util.Properties {
 	public boolean cfgBlankRowBetweenSections = true;
 	
 	/** Comments for individual keys */
-	private final Hashtable<String, String> keyComments = new Hashtable<String, String>();
+	private final Hashtable<String, String> keyComments = new Hashtable<>();
 	
 	
 	private static void writeComments(BufferedWriter bw, String comm) throws IOException
@@ -272,7 +272,7 @@ public class SortedProperties extends java.util.Properties {
 	
 	
 	@Override
-	public void load(InputStream is) throws IOException
+	public synchronized void load(InputStream is) throws IOException
 	{
 		load(is, "utf-8");
 	}

src/mightypork/utils/files/FileTreeDiff.java

@@ -23,7 +23,7 @@ public class FileTreeDiff {
 	
 	private boolean logging = true;
 	
-	private final List<Tuple<File>> compared = new ArrayList<Tuple<File>>();
+	private final List<Tuple<File>> compared = new ArrayList<>();
 	private final Comparator<File> fileFirstSorter = new Comparator<File>() {
 		
 		@Override
@@ -67,59 +67,31 @@ public class FileTreeDiff {
 	
 	private void calcChecksum() throws NotEqualException
 	{
-		FileInputStream in1 = null, in2 = null;
-		CheckedInputStream cin1 = null, cin2 = null;
 		
 		for (final Tuple<File> pair : compared) {
-			try {
-				ck1.reset();
-				ck2.reset();
-				
-				in1 = new FileInputStream(pair.a);
-				in2 = new FileInputStream(pair.b);
-				
-				cin1 = new CheckedInputStream(in1, ck1);
-				cin2 = new CheckedInputStream(in2, ck2);
+			ck1.reset();
+			ck2.reset();
+			
+			try (	FileInputStream in1 = new FileInputStream(pair.a);
+					FileInputStream in2 = new FileInputStream(pair.b)) {
 				
-				while (true) {
-					final int read1 = cin1.read(BUFFER);
-					final int read2 = cin2.read(BUFFER);
+				try (	CheckedInputStream cin1 = new CheckedInputStream(in1, ck1);
+						CheckedInputStream cin2 = new CheckedInputStream(in2, ck2)) {
 					
-					if (read1 != read2 || ck1.getValue() != ck2.getValue()) {
-						throw new NotEqualException("Bytes differ:\n" + pair.a + "\n" + pair.b);
+					while (true) {
+						final int read1 = cin1.read(BUFFER);
+						final int read2 = cin2.read(BUFFER);
+						
+						if (read1 != read2 || ck1.getValue() != ck2.getValue()) {
+							throw new NotEqualException("Bytes differ:\n" + pair.a + "\n" + pair.b);
+						}
+						
+						if (read1 == -1) break;
 					}
-					
-					if (read1 == -1) break;
 				}
 				
 			} catch (final IOException e) {
 				// ignore
-			} finally {
-				
-				try {
-					if (cin1 != null) cin1.close();
-				} catch (final Exception e) {
-					// ignore
-				}
-				
-				try {
-					if (cin2 != null) cin2.close();
-				} catch (final Exception e) {
-					// ignore
-				}
-				
-				try {
-					if (in1 != null) in1.close();
-				} catch (final Exception e) {
-					// ignore
-				}
-				
-				try {
-					if (in2 != null) in2.close();
-				} catch (final Exception e) {
-					// ignore
-				}
-				
 			}
 		}
 	}
@@ -152,7 +124,7 @@ public class FileTreeDiff {
 			}
 			
 		} else {
-			compared.add(new Tuple<File>(f1, f2));
+			compared.add(new Tuple<>(f1, f2));
 		}
 	}
 	

src/mightypork/utils/files/FileUtils.java

@@ -44,8 +44,8 @@ public class FileUtils {
 			}
 			
 			final String[] children = source.list();
-			for (int i = 0; i < children.length; i++) {
-				copyDirectory(new File(source, children[i]), new File(target, children[i]), filter, filesCopied);
+			for (final String element : children) {
+				copyDirectory(new File(source, element), new File(target, element), filter, filesCopied);
 			}
 			
 		} else {
@@ -71,8 +71,8 @@ public class FileUtils {
 	{
 		if (source.isDirectory()) {
 			final String[] children = source.list();
-			for (int i = 0; i < children.length; i++) {
-				listDirectoryRecursive(new File(source, children[i]), filter, files);
+			for (final String element : children) {
+				listDirectoryRecursive(new File(source, element), filter, files);
 			}
 			
 		} else {
@@ -94,25 +94,11 @@ public class FileUtils {
 	 */
 	public static void copyFile(File source, File target) throws IOException
 	{
-		InputStream in = null;
-		OutputStream out = null;
 		
-		try {
-			in = new FileInputStream(source);
-			out = new FileOutputStream(target);
+		try (	InputStream in = new FileInputStream(source);
+				OutputStream out = new FileOutputStream(target)) {
 			
 			copyStream(in, out);
-		} finally {
-			try {
-				if (in != null) in.close();
-			} catch (final IOException e) {
-				e.printStackTrace();
-			}
-			try {
-				if (out != null) out.close();
-			} catch (final IOException e) {
-				e.printStackTrace();
-			}
 		}
 	}
 	
@@ -175,9 +161,10 @@ public class FileUtils {
 	 */
 	public static String fileToString(File file) throws IOException
 	{
-		final FileInputStream fin = new FileInputStream(file);
-		
-		return streamToString(fin);
+		try (FileInputStream fin = new FileInputStream(file)) {
+			
+			return streamToString(fin);
+		}
 	}
 	
 	
@@ -208,7 +195,7 @@ public class FileUtils {
 			Log.e("Error creating folder " + dir, e);
 		}
 		
-		final List<File> list = new ArrayList<File>();
+		final List<File> list = new ArrayList<>();
 		
 		try {
 			for (final File f : dir.listFiles(filter)) {
@@ -374,16 +361,12 @@ public class FileUtils {
 	 */
 	public static void stringToFile(File file, String text) throws IOException
 	{
-		PrintStream out = null;
-		try {
-			out = new PrintStream(new FileOutputStream(file), false, "UTF-8");
+		try (PrintStream out = new PrintStream(new FileOutputStream(file), false, "UTF-8")) {
 			
 			out.print(text);
 			
 			out.flush();
 			
-		} finally {
-			if (out != null) out.close();
 		}
 	}
 	
@@ -499,26 +482,10 @@ public class FileUtils {
 	 */
 	public static void resourceToFile(String resname, File file) throws IOException
 	{
-		InputStream in = null;
-		OutputStream out = null;
-		
-		try {
-			in = FileUtils.getResource(resname);
-			out = new FileOutputStream(file);
+		try (	InputStream in = FileUtils.getResource(resname);
+				OutputStream out = new FileOutputStream(file)) {
 			
 			FileUtils.copyStream(in, out);
-		} finally {
-			try {
-				if (in != null) in.close();
-			} catch (final IOException e) {
-				// ignore
-			}
-			
-			try {
-				if (out != null) out.close();
-			} catch (final IOException e) {
-				// ignore
-			}
 		}
 		
 	}
@@ -529,10 +496,12 @@ public class FileUtils {
 	 * 
 	 * @param resname resource name
 	 * @return resource as string, empty string on failure
+	 * @throws IOException on fail
 	 */
-	public static String resourceToString(String resname)
+	public static String resourceToString(String resname) throws IOException
 	{
-		final InputStream in = FileUtils.getResource(resname);
-		return streamToString(in);
+		try (InputStream in = FileUtils.getResource(resname)) {
+			return streamToString(in);
+		}
 	}
 }

src/mightypork/utils/files/InstanceLock.java

@@ -0,0 +1,51 @@
+package mightypork.utils.files;
+
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.channels.FileLock;
+
+
+/**
+ * Instance lock (avoid running twice)
+ * 
+ * @author MightyPork
+ */
+public class InstanceLock {
+	
+	@SuppressWarnings("resource")
+	public static boolean onFile(final File lockFile)
+	{
+		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 (final Exception e) {
+							System.err.println("Unable to remove lock file.");
+							e.printStackTrace();
+						}
+					}
+				});
+				
+				return true;
+			}
+			
+			return false;
+		} catch (IOException e) {
+			return false;
+		}
+	}
+	
+}

src/mightypork/utils/files/ZipBuilder.java

@@ -17,7 +17,7 @@ import mightypork.utils.logging.Log;
 public class ZipBuilder {
 	
 	private final ZipOutputStream out;
-	private final HashSet<String> included = new HashSet<String>();
+	private final HashSet<String> included = new HashSet<>();
 	
 	
 	/**
@@ -70,8 +70,9 @@ public class ZipBuilder {
 		
 		out.putNextEntry(new ZipEntry(path));
 		
-		final InputStream in = FileUtils.stringToStream(text);
-		FileUtils.copyStream(in, out);
+		try (InputStream in = FileUtils.stringToStream(text)) {
+			FileUtils.copyStream(in, out);
+		}
 	}
 	
 	
@@ -90,8 +91,9 @@ public class ZipBuilder {
 		
 		out.putNextEntry(new ZipEntry(path));
 		
-		final InputStream in = FileUtils.getResource(resPath);
-		FileUtils.copyStream(in, out);
+		try (InputStream in = FileUtils.getResource(resPath)) {
+			FileUtils.copyStream(in, out);
+		}
 	}
 	
 	

src/mightypork/utils/files/ZipUtils.java

@@ -1,11 +1,7 @@
 package mightypork.utils.files;
 
 
-import java.io.BufferedInputStream;
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
+import java.io.*;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.List;
@@ -36,18 +32,8 @@ public class ZipUtils {
 	 */
 	public static List<String> extractZip(File file, File outputDir, StringFilter filter) throws IOException
 	{
-		ZipFile zip = null;
-		try {
-			zip = new ZipFile(file);
-			
+		try (ZipFile zip = new ZipFile(file)) {
 			return extractZip(zip, outputDir, filter);
-			
-		} finally {
-			try {
-				if (zip != null) zip.close();
-			} catch (final IOException e) {
-				// ignore
-			}
 		}
 	}
 	
@@ -63,7 +49,7 @@ public class ZipUtils {
 	 */
 	public static List<String> extractZip(ZipFile zip, File outputDir, StringFilter filter) throws IOException
 	{
-		final ArrayList<String> files = new ArrayList<String>();
+		final ArrayList<String> files = new ArrayList<>();
 		
 		outputDir.mkdirs();
 		
@@ -102,16 +88,8 @@ public class ZipUtils {
 	 */
 	public static List<String> listZip(File zipFile) throws IOException
 	{
-		ZipFile zip = null;
-		try {
-			zip = new ZipFile(zipFile);
+		try (ZipFile zip = new ZipFile(zipFile)) {
 			return listZip(zip);
-		} finally {
-			try {
-				if (zip != null) zip.close();
-			} catch (final IOException e) {
-				// ignore
-			}
 		}
 	}
 	
@@ -125,7 +103,7 @@ public class ZipUtils {
 	 */
 	public static List<String> listZip(ZipFile zip) throws IOException
 	{
-		final ArrayList<String> files = new ArrayList<String>();
+		final ArrayList<String> files = new ArrayList<>();
 		
 		final Enumeration<? extends ZipEntry> zipFileEntries = zip.entries();
 		
@@ -154,29 +132,12 @@ public class ZipUtils {
 	{
 		destFile.getParentFile().mkdirs();
 		
-		BufferedInputStream is = null;
-		FileOutputStream fos = null;
-		BufferedOutputStream dest = null;
-		
-		try {
-			is = new BufferedInputStream(zip.getInputStream(entry));
-			fos = new FileOutputStream(destFile);
-			dest = new BufferedOutputStream(fos, BUFFER_SIZE);
+		try (	InputStream in = zip.getInputStream(entry);
+				BufferedInputStream is = new BufferedInputStream(in);
+				FileOutputStream fos = new FileOutputStream(destFile);
+				BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER_SIZE)) {
 			
 			FileUtils.copyStream(is, dest);
-		} finally {
-			try {
-				if (is != null) is.close();
-			} catch (final IOException e) {
-				// ignore
-			}
-			
-			try {
-				if (dest != null) dest.close();
-			} catch (final IOException e) {
-				// ignore
-			}
-			
 		}
 	}
 	
@@ -208,19 +169,10 @@ public class ZipUtils {
 	
 	public static boolean entryExists(File selectedFile, String string)
 	{
-		ZipFile zf = null;
-		
-		try {
-			zf = new ZipFile(selectedFile);
+		try (ZipFile zf = new ZipFile(selectedFile)) {
 			return zf.getEntry(string) != null;
 		} catch (final Exception e) {
 			return false;
-		} finally {
-			try {
-				if (zf != null) zf.close();
-			} catch (final IOException e) {
-				// ignore
-			}
 		}
 		
 	}

src/mightypork/utils/files/ion/Ion.java

@@ -16,7 +16,7 @@ import mightypork.utils.math.Calc;
 public class Ion {
 	
 	/** Ionizables<Mark, Class> */
-	private static Map<Byte, Class<?>> customIonizables = new HashMap<Byte, Class<?>>();
+	private static Map<Byte, Class<?>> customIonizables = new HashMap<>();
 	
 	// register default ionizables
 	static {
@@ -67,22 +67,13 @@ public class Ion {
 	 */
 	public static Object fromFile(File file) throws IonException
 	{
-		InputStream in = null;
-		try {
-			in = new FileInputStream(file);
+		try (InputStream in = new FileInputStream(file)) {
+			
 			final Object obj = fromStream(in);
 			return obj;
 			
 		} catch (final IOException e) {
 			throw new IonException("Error loading ION file.", e);
-		} finally {
-			if (in != null) {
-				try {
-					in.close();
-				} catch (final IOException e) {
-					e.printStackTrace();
-				}
-			}
 		}
 	}
 	
@@ -122,30 +113,18 @@ public class Ion {
 	 */
 	public static void toFile(File path, Object obj) throws IonException
 	{
-		OutputStream out = null;
-		try {
+		try (OutputStream out = new FileOutputStream(path)) {
 			final String f = path.toString();
 			final File dir = new File(f.substring(0, f.lastIndexOf(File.separator)));
 			
 			dir.mkdirs();
 			
-			out = new FileOutputStream(path);
-			
 			toStream(out, obj);
 			
 			out.flush();
 			out.close();
 		} catch (final Exception e) {
 			throw new IonException("Error writing to ION file.", e);
-		} finally {
-			if (out != null) {
-				try {
-					out.close();
-				} catch (final IOException e) {
-					e.printStackTrace();
-				}
-			}
-			
 		}
 	}
 	

src/mightypork/utils/logging/Log.java

@@ -116,7 +116,7 @@ public class Log {
 		staticLogging = flag;
 	}
 	
-	private static HashMap<String, LogInstance> logs = new HashMap<String, LogInstance>();
+	private static HashMap<String, LogInstance> logs = new HashMap<>();
 	private static LogInstance main = null;
 	
 	

src/mightypork/utils/logging/LogInstance.java

@@ -50,7 +50,7 @@ public class LogInstance {
 	private boolean sysout = true;
 	
 	private int monitorId = 0;
-	private final HashMap<Integer, LogMonitor> monitors = new HashMap<Integer, LogMonitor>();
+	private final HashMap<Integer, LogMonitor> monitors = new HashMap<>();
 	
 	private LogToSysoutMonitor sysoutMonitor;
 	

src/mightypork/utils/math/Calc.java

@@ -890,7 +890,7 @@ public class Calc {
 		}
 		final String[] parts = list.split(",");
 		
-		final ArrayList<Integer> intList = new ArrayList<Integer>();
+		final ArrayList<Integer> intList = new ArrayList<>();
 		
 		for (final String part : parts) {
 			try {

src/mightypork/utils/math/animation/AnimDouble.java

@@ -319,8 +319,8 @@ public class AnimDouble implements Updateable, Pauseable, NumberConstraint {
 	{
 		return paused;
 	}
-
-
+	
+	
 	@Override
 	public double getValue()
 	{

src/mightypork/utils/math/constraints/ConstraintFactory.java

@@ -25,6 +25,7 @@ public class ConstraintFactory {
 		};
 	}
 	
+	
 	public static NumberConstraint c_max(final Object a, final Object b)
 	{
 		return new NumberConstraint() {
@@ -58,7 +59,7 @@ public class ConstraintFactory {
 			@Override
 			public double getValue()
 			{
-				return a.getValue()/2;
+				return a.getValue() / 2;
 			}
 		};
 	}
@@ -128,6 +129,7 @@ public class ConstraintFactory {
 		};
 	}
 	
+	
 	public static NumberConstraint c_add(final Object a, final Object b)
 	{
 		return new NumberConstraint() {
@@ -140,6 +142,7 @@ public class ConstraintFactory {
 		};
 	}
 	
+	
 	public static NumberConstraint c_sub(final Object a, final Object b)
 	{
 		return new NumberConstraint() {
@@ -151,7 +154,7 @@ public class ConstraintFactory {
 			}
 		};
 	}
-
+	
 	
 	public static NumberConstraint c_mul(final Object a, final Object b)
 	{
@@ -164,7 +167,7 @@ public class ConstraintFactory {
 			}
 		};
 	}
-
+	
 	
 	public static NumberConstraint c_div(final Object a, final Object b)
 	{
@@ -178,6 +181,7 @@ public class ConstraintFactory {
 		};
 	}
 	
+	
 	public static NumberConstraint c_percent(final Object whole, final Object percent)
 	{
 		return new NumberConstraint() {
@@ -257,7 +261,7 @@ public class ConstraintFactory {
 	
 	public static RectConstraint c_shrink(RectConstraint r, Object shrink)
 	{
-		NumberConstraint n = n(shrink);
+		final NumberConstraint n = n(shrink);
 		return c_shrink(r, n, n, n, n);
 	}
 	
@@ -293,9 +297,10 @@ public class ConstraintFactory {
 		};
 	}
 	
+	
 	public static RectConstraint c_grow(RectConstraint r, Object grow)
 	{
-		NumberConstraint n = n(grow);
+		final NumberConstraint n = n(grow);
 		return c_grow(r, n, n, n, n);
 	}
 	
@@ -338,6 +343,7 @@ public class ConstraintFactory {
 		};
 	}
 	
+	
 	public static RectConstraint c_box(final RectConstraint r, final Object width, final Object height)
 	{
 		return new RectConstraint() {
@@ -384,6 +390,7 @@ public class ConstraintFactory {
 	
 	/**
 	 * Center rect around given coords
+	 * 
 	 * @param r rect
 	 * @param x
 	 * @param y
@@ -419,7 +426,8 @@ public class ConstraintFactory {
 			}
 		};
 	}
-
+	
+	
 	public static RectConstraint c_move(final RectConstraint r, final Object x, final Object y)
 	{
 		return new RectConstraint() {
@@ -432,16 +440,19 @@ public class ConstraintFactory {
 		};
 	}
 	
+	
 	/**
 	 * Convert {@link Double} to {@link NumberConstraint} if needed
+	 * 
 	 * @param o unknown numeric value
 	 * @return converted
 	 */
-	public static NumberConstraint n(final Object o) {
+	public static NumberConstraint n(final Object o)
+	{
 		
-		if(o instanceof NumberConstraint) return (NumberConstraint) o;
+		if (o instanceof NumberConstraint) return (NumberConstraint) o;
 		
-		if(o instanceof Number) return new NumberConstraint() {
+		if (o instanceof Number) return new NumberConstraint() {
 			
 			@Override
 			public double getValue()

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

@@ -203,7 +203,7 @@ public class Coord {
 	 */
 	public boolean isInRect(RectConstraint rect)
 	{
-		Rect r = rect.getRect();
+		final Rect r = rect.getRect();
 		return isInRect(r.getMin(), r.getMax());
 	}
 	

src/mightypork/utils/objects/Convert.java

@@ -120,21 +120,21 @@ public class Convert {
 		if (o == null) return def;
 		if (o instanceof String) return ((String) o);
 		
-		if(o instanceof Boolean) {
+		if (o instanceof Boolean) {
 			return (Boolean) o ? "True" : "False";
 		}
-
-		if(o instanceof Coord) {
-			Coord c = (Coord) o;
+		
+		if (o instanceof Coord) {
+			final Coord c = (Coord) o;
 			return String.format("[%f:%f:%f]", c.x, c.y, c.z);
 		}
-
-		if(o instanceof Range) {
-			Range c = (Range) o;
+		
+		if (o instanceof Range) {
+			final Range c = (Range) o;
 			return String.format("%f:%f", c.getMin(), c.getMax());
 		}
 		
-		if(o instanceof Class<?>) {
+		if (o instanceof Class<?>) {
 			return Log.str(o);
 		}
 		

src/mightypork/utils/objects/MapSort.java

@@ -22,7 +22,7 @@ public class MapSort {
 	@SuppressWarnings({ "rawtypes", "unchecked" })
 	public static <K extends Comparable, V extends Comparable> Map<K, V> sortByKeys(Map<K, V> map, final Comparator<K> comparator)
 	{
-		final List<K> keys = new LinkedList<K>(map.keySet());
+		final List<K> keys = new LinkedList<>(map.keySet());
 		
 		if (comparator == null) {
 			Collections.sort(keys);
@@ -32,7 +32,7 @@ public class MapSort {
 		
 		// LinkedHashMap will keep the keys in the order they are inserted
 		// which is currently sorted on natural ordering
-		final Map<K, V> sortedMap = new LinkedHashMap<K, V>();
+		final Map<K, V> sortedMap = new LinkedHashMap<>();
 		for (final K key : keys) {
 			sortedMap.put(key, map.get(key));
 		}
@@ -51,7 +51,7 @@ public class MapSort {
 	@SuppressWarnings("rawtypes")
 	public static <K extends Comparable, V extends Comparable> Map<K, V> sortByValues(Map<K, V> map, final Comparator<V> comparator)
 	{
-		final List<Map.Entry<K, V>> entries = new LinkedList<Map.Entry<K, V>>(map.entrySet());
+		final List<Map.Entry<K, V>> entries = new LinkedList<>(map.entrySet());
 		
 		Collections.sort(entries, new Comparator<Map.Entry<K, V>>() {
 			
@@ -65,7 +65,7 @@ public class MapSort {
 		
 		// LinkedHashMap will keep the keys in the order they are inserted
 		// which is currently sorted on natural ordering
-		final Map<K, V> sortedMap = new LinkedHashMap<K, V>();
+		final Map<K, V> sortedMap = new LinkedHashMap<>();
 		
 		for (final Map.Entry<K, V> entry : entries) {
 			sortedMap.put(entry.getKey(), entry.getValue());

src/mightypork/utils/objects/ObjectUtils.java

@@ -39,7 +39,7 @@ public class ObjectUtils {
 	
 	public static <T extends Object> List<T> arrayToList(T[] objs)
 	{
-		final ArrayList<T> list = new ArrayList<T>();
+		final ArrayList<T> list = new ArrayList<>();
 		for (final T o : objs) {
 			list.add(o);
 		}

src/mightypork/utils/objects/VarargsParser.java

@@ -32,7 +32,7 @@ public class VarargsParser<K, V> {
 	@SuppressWarnings("unchecked")
 	public Map<K, V> parse(Object... args) throws ClassCastException, IllegalArgumentException
 	{
-		final LinkedHashMap<K, V> attrs = new LinkedHashMap<K, V>();
+		final LinkedHashMap<K, V> attrs = new LinkedHashMap<>();
 		
 		if (args.length % 2 != 0) {
 			throw new IllegalArgumentException("Odd number of elements in varargs map!");

src/mightypork/utils/string/StringProvider.java

@@ -18,12 +18,13 @@ public interface StringProvider {
 	public static class StringWrapper implements StringProvider {
 		
 		private final String value;
-
+		
 		
 		public StringWrapper(String value) {
 			this.value = value;
 		}
 		
+		
 		@Override
 		public String getString()
 		{