Switches from Java 1.6 to Java 1.7 and fixes numerous warnings

20 files changed, 89 insertions, 100 deletions

diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/ExampleBase.java b/ardor3d-examples/src/main/java/com/ardor3d/example/ExampleBase.java
index 83618d9..3f3076a 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/ExampleBase.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/ExampleBase.java
@@ -417,8 +417,8 @@ public abstract class ExampleBase implements Runnable, Updater, Scene {
         }
 
         final URL dialogImageRef = dialogImage;
-        final AtomicReference<PropertiesDialog> dialogRef = new AtomicReference<PropertiesDialog>();
-        final Stack<Runnable> mainThreadTasks = new Stack<Runnable>();
+        final AtomicReference<PropertiesDialog> dialogRef = new AtomicReference<>();
+        final Stack<Runnable> mainThreadTasks = new Stack<>();
         try {
             if (EventQueue.isDispatchThread()) {
                 dialogRef.set(new PropertiesDialog(settings, dialogImageRef, mainThreadTasks));
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/ExampleRunner.java b/ardor3d-examples/src/main/java/com/ardor3d/example/ExampleRunner.java
index ad65b8b..e55846a 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/ExampleRunner.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/ExampleRunner.java
@@ -449,7 +449,7 @@ public class ExampleRunner extends JFrame {
                     final Class<?> clazz = (Class<?>) selected;
 
                     final boolean isWindows = System.getProperty("os.name").contains("Windows");
-                    final List<String> args = new ArrayList<String>();
+                    final List<String> args = new ArrayList<>();
                     args.add(isWindows ? "javaw" : "java");
                     args.add("-Xmx" + maxHeapMemory + "M");
                     args.add("-cp");
@@ -509,10 +509,10 @@ public class ExampleRunner extends JFrame {
     class ClassTreeModel implements TreeModel, SearchFilter {
 
         private final EventListenerList listeners = new EventListenerList();
-        private final LinkedHashMap<Package, Vector<Class<?>>> classes = new LinkedHashMap<Package, Vector<Class<?>>>();
+        private final LinkedHashMap<Package, Vector<Class<?>>> classes = new LinkedHashMap<>();
         // the next two maps are for caching the status for the search filter
-        private final HashMap<Class<?>, Boolean> classMatches = new HashMap<Class<?>, Boolean>();
-        private final HashMap<Package, Boolean> packageMatches = new HashMap<Package, Boolean>();
+        private final HashMap<Class<?>, Boolean> classMatches = new HashMap<>();
+        private final HashMap<Package, Boolean> packageMatches = new HashMap<>();
         private String root = "all examples";
         private FileFilter classFileFilter;
         private int size;
@@ -526,7 +526,7 @@ public class ExampleRunner extends JFrame {
         @Override
         public Object getChild(final Object parent, final int index) {
             if (root.equals(parent)) {
-                final Vector<Package> vec = new Vector<Package>(classes.keySet());
+                final Vector<Package> vec = new Vector<>(classes.keySet());
                 return vec.get(index);
             }
             final Vector<Class<?>> cl = classes.get(parent);
@@ -545,7 +545,7 @@ public class ExampleRunner extends JFrame {
         @Override
         public int getIndexOfChild(final Object parent, final Object child) {
             if (root.equals(parent)) {
-                final Vector<Package> vec = new Vector<Package>(classes.keySet());
+                final Vector<Package> vec = new Vector<>(classes.keySet());
                 return vec.indexOf(child);
             }
             final Vector<Class<?>> cl = classes.get(parent);
@@ -566,7 +566,7 @@ public class ExampleRunner extends JFrame {
             classMatches.put(clazz, false);
             Vector<Class<?>> cl = classes.get(clazz.getPackage());
             if (cl == null) {
-                cl = new Vector<Class<?>>();
+                cl = new Vector<>();
                 classes.put(clazz.getPackage(), cl);
             }
             size++;
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/PropertiesDialog.java b/ardor3d-examples/src/main/java/com/ardor3d/example/PropertiesDialog.java
index 5124b44..a12274a 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/PropertiesDialog.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/PropertiesDialog.java
@@ -266,9 +266,9 @@ public final class PropertiesDialog extends JDialog {
         displayResCombo.addKeyListener(aListener);
         samplesCombo = setUpSamplesChooser();
         samplesCombo.addKeyListener(aListener);
-        colorDepthCombo = new JComboBox<String>();
+        colorDepthCombo = new JComboBox<>();
         colorDepthCombo.addKeyListener(aListener);
-        displayFreqCombo = new JComboBox<String>();
+        displayFreqCombo = new JComboBox<>();
         displayFreqCombo.addKeyListener(aListener);
         fullscreenBox = new JCheckBox("Fullscreen?");
         fullscreenBox.setSelected(source.isFullscreen());
@@ -413,7 +413,7 @@ public final class PropertiesDialog extends JDialog {
      */
     private JComboBox<String> setUpResolutionChooser() {
         final String[] res = getResolutions(modes);
-        final JComboBox<String> resolutionBox = new JComboBox<String>(res);
+        final JComboBox<String> resolutionBox = new JComboBox<>(res);
 
         resolutionBox.setSelectedItem(source.getWidth() + " x " + source.getHeight());
         resolutionBox.addActionListener(new ActionListener() {
@@ -433,7 +433,7 @@ public final class PropertiesDialog extends JDialog {
      * @return the list of renderers.
      */
     private JComboBox<String> setUpRendererChooser() {
-        final JComboBox<String> nameBox = new JComboBox<String>(new String[] { "JOGL 2" });
+        final JComboBox<String> nameBox = new JComboBox<>(new String[] { "JOGL 2" });
         // final String old = source.getRenderer();
         /*
          * if (old != null) { if (old.startsWith("JOGL")) {
@@ -446,7 +446,7 @@ public final class PropertiesDialog extends JDialog {
     }
 
     private JComboBox<String> setUpSamplesChooser() {
-        final JComboBox<String> nameBox = new JComboBox<String>(samples);
+        final JComboBox<String> nameBox = new JComboBox<>(samples);
         nameBox.setSelectedItem(source.getRenderer());
         return nameBox;
     }
@@ -472,11 +472,11 @@ public final class PropertiesDialog extends JDialog {
 
         // grab available depths
         final String[] depths = getDepths(resolution, modes);
-        colorDepthCombo.setModel(new DefaultComboBoxModel<String>(depths));
+        colorDepthCombo.setModel(new DefaultComboBoxModel<>(depths));
         colorDepthCombo.setSelectedItem(colorDepth);
         // grab available frequencies
         final String[] freqs = getFrequencies(resolution, modes);
-        displayFreqCombo.setModel(new DefaultComboBoxModel<String>(freqs));
+        displayFreqCombo.setModel(new DefaultComboBoxModel<>(freqs));
         // Try to reset freq
         displayFreqCombo.setSelectedItem(displayFreq);
     }
@@ -488,12 +488,12 @@ public final class PropertiesDialog extends JDialog {
      */
     private void updateResolutionChoices() {
         if (!fullscreenBox.isSelected()) {
-            displayResCombo.setModel(new DefaultComboBoxModel<String>(windowedResolutions));
-            colorDepthCombo.setModel(new DefaultComboBoxModel<String>(new String[] { "24 bpp", "16 bpp" }));
-            displayFreqCombo.setModel(new DefaultComboBoxModel<String>(new String[] { "n/a" }));
+            displayResCombo.setModel(new DefaultComboBoxModel<>(windowedResolutions));
+            colorDepthCombo.setModel(new DefaultComboBoxModel<>(new String[] { "24 bpp", "16 bpp" }));
+            displayFreqCombo.setModel(new DefaultComboBoxModel<>(new String[] { "n/a" }));
             displayFreqCombo.setEnabled(false);
         } else {
-            displayResCombo.setModel(new DefaultComboBoxModel<String>(getResolutions(modes)));
+            displayResCombo.setModel(new DefaultComboBoxModel<>(getResolutions(modes)));
             displayFreqCombo.setEnabled(true);
             updateDisplayChoices();
         }
@@ -526,7 +526,7 @@ public final class PropertiesDialog extends JDialog {
      * Returns every unique resolution from an array of <code>DisplayMode</code>s.
      */
     private static String[] getResolutions(final DisplayMode[] modes) {
-        final List<String> resolutions = new ArrayList<String>(modes.length);
+        final List<String> resolutions = new ArrayList<>(modes.length);
         for (int i = 0; i < modes.length; i++) {
             final String res = modes[i].getWidth() + " x " + modes[i].getHeight();
             if (!resolutions.contains(res)) {
@@ -543,7 +543,7 @@ public final class PropertiesDialog extends JDialog {
      * Returns every possible bit depth for the given resolution.
      */
     private static String[] getDepths(final String resolution, final DisplayMode[] modes) {
-        final Set<String> depths = new TreeSet<String>(new Comparator<String>() {
+        final Set<String> depths = new TreeSet<>(new Comparator<String>() {
             @Override
             public int compare(final String o1, final String o2) {
                 // reverse order
@@ -573,7 +573,7 @@ public final class PropertiesDialog extends JDialog {
      * Returns every possible refresh rate for the given resolution.
      */
     private static String[] getFrequencies(final String resolution, final DisplayMode[] modes) {
-        final List<String> freqs = new ArrayList<String>(4);
+        final List<String> freqs = new ArrayList<>(4);
         for (int i = 0; i < modes.length; i++) {
             final String res = modes[i].getWidth() + " x " + modes[i].getHeight();
             final String freq = modes[i].getRefreshRate() + " Hz";
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/PropertiesGameSettings.java b/ardor3d-examples/src/main/java/com/ardor3d/example/PropertiesGameSettings.java
index dbac6e3..b93c085 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/PropertiesGameSettings.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/PropertiesGameSettings.java
@@ -3,7 +3,7 @@
  *
  * This file is part of Ardor3D.
  *
- * Ardor3D is free software: you can redistribute it and/or modify it 
+ * Ardor3D is free software: you can redistribute it and/or modify it
  * under the terms of its license which may be found in the accompanying
  * LICENSE file or at <http://www.ardor3d.com/LICENSE>.
  */
@@ -12,7 +12,6 @@ package com.ardor3d.example;
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -26,7 +25,7 @@ import com.ardor3d.util.resource.ResourceLocatorTool;
 /**
  * <code>PropertiesGameSettings</code> handles loading and saving a properties file that defines the display settings. A
  * property file is identified during creation of the object. The properties file should have the following format:
- * 
+ *
  * <PRE>
  * &lt;CODE&gt;
  * FREQ=60
@@ -106,7 +105,7 @@ public class PropertiesGameSettings {
 
     /**
      * Constructor creates the <code>PropertiesGameSettings</code> object for use.
-     * 
+     *
      * @param personalFilename
      *            the properties file to use, read from filesystem. Must not be null.
      * @param dfltsFilename
@@ -138,7 +137,7 @@ public class PropertiesGameSettings {
 
     /**
      * <code>get</code> takes an arbitrary string as a key and returns any value associated with it, null if none.
-     * 
+     *
      * @param key
      *            the key to use for data retrieval.
      * @return the string associated with the key, null if none.
@@ -154,7 +153,7 @@ public class PropertiesGameSettings {
 
     /**
      * If the properties file does not contain the setting or was not read properly, the default value is returned.
-     * 
+     *
      * @throws InternalError
      *             in all cases
      */
@@ -183,7 +182,7 @@ public class PropertiesGameSettings {
     /**
      * <code>getDepth</code> returns the depth as read from the properties file. If the properties file does not contain
      * depth or was not read properly, the default depth is returned.
-     * 
+     *
      * @return the depth determined by the properties file, or the default.
      */
     public int getDepth() {
@@ -197,7 +196,7 @@ public class PropertiesGameSettings {
 
     /**
      * If the properties file does not contain the setting or was not read properly, the default value is returned.
-     * 
+     *
      * @throws InternalError
      *             in all cases
      */
@@ -218,7 +217,7 @@ public class PropertiesGameSettings {
 
     /**
      * If the properties file does not contain the setting or was not read properly, the default value is returned.
-     * 
+     *
      * @throws InternalError
      *             in all cases
      */
@@ -230,7 +229,7 @@ public class PropertiesGameSettings {
     /**
      * <code>getFrequency</code> returns the frequency of the monitor as read from the properties file. If the
      * properties file does not contain frequency or was not read properly the default frequency is returned.
-     * 
+     *
      * @return the frequency determined by the properties file, or the default.
      */
     public int getFrequency() {
@@ -244,7 +243,7 @@ public class PropertiesGameSettings {
 
     /**
      * Legacy method.
-     * 
+     *
      * @deprecated Use method isFullscreen instead.
      * @see #isFullscreen()
      */
@@ -256,7 +255,7 @@ public class PropertiesGameSettings {
     /**
      * <code>getHeight</code> returns the height as read from the properties file. If the properties file does not
      * contain height or was not read properly, the default height is returned.
-     * 
+     *
      * @return the height determined by the properties file, or the default.
      */
     public int getHeight() {
@@ -284,9 +283,9 @@ public class PropertiesGameSettings {
     }
 
     /**
-     * 
+     *
      * <code>getRenderer</code> returns the requested rendering API, or the default.
-     * 
+     *
      * @return the rendering API or the default.
      */
     public String getRenderer() {
@@ -300,7 +299,7 @@ public class PropertiesGameSettings {
 
     /**
      * If the properties file does not contain the setting or was not read properly, the default value is returned.
-     * 
+     *
      * @throws InternalError
      *             in all cases
      */
@@ -311,7 +310,7 @@ public class PropertiesGameSettings {
 
     /**
      * If the properties file does not contain the setting or was not read properly, the default value is returned.
-     * 
+     *
      * @throws InternalError
      *             in all cases
      */
@@ -323,7 +322,7 @@ public class PropertiesGameSettings {
     /**
      * <code>getWidth</code> returns the width as read from the properties file. If the properties file does not contain
      * width or was not read properly, the default width is returned.
-     * 
+     *
      * @return the width determined by the properties file, or the default.
      */
     public int getWidth() {
@@ -338,7 +337,7 @@ public class PropertiesGameSettings {
     /**
      * <code>isFullscreen</code> returns the fullscreen flag as read from the properties file. If the properties file
      * does not contain the fullscreen flag or was not read properly, the default value is returned.
-     * 
+     *
      * @return the fullscreen flag determined by the properties file, or the default.
      */
     public boolean isFullscreen() {
@@ -352,7 +351,7 @@ public class PropertiesGameSettings {
 
     /**
      * If the properties file does not contain the setting or was not read properly, the default value is returned.
-     * 
+     *
      * @throws InternalError
      *             in all cases
      */
@@ -367,7 +366,7 @@ public class PropertiesGameSettings {
 
     /**
      * If the properties file does not contain the setting or was not read properly, the default value is returned.
-     * 
+     *
      * @throws InternalError
      *             in all cases
      */
@@ -378,7 +377,7 @@ public class PropertiesGameSettings {
 
     /**
      * If the properties file does not contain the setting or was not read properly, the default value is returned.
-     * 
+     *
      * @throws InternalError
      *             in all cases
      */
@@ -390,35 +389,26 @@ public class PropertiesGameSettings {
     /**
      * <code>load</code> attempts to load the properties file defined during instantiation and put all properties in the
      * table. If there is a problem loading or reading the file, false is returned. If all goes well, true is returned.
-     * 
+     *
      * @return the success of the load, true indicated success and false indicates failure.
      */
     public boolean load() {
-        FileInputStream fin = null;
-        try {
-            fin = new FileInputStream(filename);
-        } catch (final FileNotFoundException e) {
-            logger.warning("Could not load properties. Creating a new one.");
-            return false;
-        }
-
-        try {
+        try (final FileInputStream fin = new FileInputStream(filename)) {
             prop.load(fin);
-            fin.close();
+
+            // confirm that the properties file has all the data we need.
+            if (null == prop.getProperty("WIDTH") || null == prop.getProperty("HEIGHT")
+                    || null == prop.getProperty("DEPTH") || null == prop.getProperty("FULLSCREEN")) {
+                logger.warning("Properties file not complete.");
+                return false;
+            }
+
+            logger.finer("Read properties");
+            return true;
         } catch (final IOException e) {
             logger.warning("Could not load properties. Creating a new one.");
             return false;
         }
-
-        // confirm that the properties file has all the data we need.
-        if (null == prop.getProperty("WIDTH") || null == prop.getProperty("HEIGHT")
-                || null == prop.getProperty("DEPTH") || null == prop.getProperty("FULLSCREEN")) {
-            logger.warning("Properties file not complete.");
-            return false;
-        }
-
-        logger.finer("Read properties");
-        return true;
     }
 
     /**
@@ -430,21 +420,20 @@ public class PropertiesGameSettings {
 
     /**
      * Persists current property mappings to designated file, overwriting if file already present.
-     * 
+     *
      * @throws IOException
      *             for I/O failures
      */
     public void save() throws IOException {
-        final FileOutputStream fout = new FileOutputStream(filename);
-        prop.store(fout, "Game Settings written by " + getClass().getName() + " at " + new java.util.Date());
-
-        fout.close();
+        try (final FileOutputStream fout = new FileOutputStream(filename)) {
+            prop.store(fout, "Game Settings written by " + getClass().getName() + " at " + new java.util.Date());
+        }
         logger.finer("Saved properties");
     }
 
     /**
      * <code>save(int, int, int, int, boolean, String)</code> overwrites the properties file with the given parameters.
-     * 
+     *
      * @param width
      *            the width of the resolution.
      * @param height
@@ -595,7 +584,7 @@ public class PropertiesGameSettings {
     /**
      * Not implemented. Properties can not store an arbitrary Object in human-readable format. Use set(String, String)
      * instead.
-     * 
+     *
      * @see #set(String, String)
      * @throws InternalError
      *             in all cases
@@ -648,7 +637,7 @@ public class PropertiesGameSettings {
 
     /**
      * save() method which throws only a RuntimeExceptin.
-     * 
+     *
      * @throws RuntimeSetting
      *             for IO failure
      * @see #save()
@@ -675,7 +664,7 @@ public class PropertiesGameSettings {
      * AbstractGameSettings.assignDefaults(propfilename).
      * <P/>
      * Property file paths are relative to CLASSPATH element roots.
-     * 
+     *
      * @param propFileName
      *            Properties file read as CLASSPATH resource. If you give null, no properties file will be loaded.
      */
@@ -745,8 +734,9 @@ public class PropertiesGameSettings {
         try {
             p.load(istream);
         } catch (final IOException ioe) {
-            logger.log(Level.WARNING, "Failed to load customizations from '" + propFileName
-                    + "'.  Continuing without customizations.", ioe);
+            logger.log(Level.WARNING,
+                    "Failed to load customizations from '" + propFileName + "'.  Continuing without customizations.",
+                    ioe);
             return;
         }
         Integer i;
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/basic/LineExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/basic/LineExample.java
index a4fcfa8..e45cddb 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/basic/LineExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/basic/LineExample.java
@@ -107,7 +107,7 @@ public class LineExample extends ExampleBase {
     private Line makeLine(final Grapher grapher, final double min, final double max, final double step) {
         // This is just one way to make a line... You can also generate the FloatBuffer directly.
         // Make an array to hold the Vector3 points that will make up our Line.
-        final ArrayList<Vector3> vertexList = new ArrayList<Vector3>();
+        final ArrayList<Vector3> vertexList = new ArrayList<>();
 
         // Step through our range [min, max] by our step amount.
         for (double x = min; x <= max; x += step) {
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/basic/MatrixLookAtExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/basic/MatrixLookAtExample.java
index 5bf947d..6934943 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/basic/MatrixLookAtExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/basic/MatrixLookAtExample.java
@@ -39,7 +39,7 @@ maxHeapMemory = 64)
 public class MatrixLookAtExample extends ExampleBase {
 
     private Mesh targetMesh;
-    private final List<Mesh> boxes = new ArrayList<Mesh>();
+    private final List<Mesh> boxes = new ArrayList<>();
 
     private double time = 0.0;
 
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglAwtDesktopExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglAwtDesktopExample.java
index 5cad0b3..d14d43b 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglAwtDesktopExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglAwtDesktopExample.java
@@ -61,7 +61,7 @@ public class JoglAwtDesktopExample {
     static MouseCursor _cursor1;
     static MouseCursor _cursor2;
 
-    static Map<Canvas, Boolean> _showCursor1 = new HashMap<Canvas, Boolean>();
+    static Map<Canvas, Boolean> _showCursor1 = new HashMap<>();
 
     public static void main(final String[] args) throws Exception {
         System.setProperty("ardor3d.useMultipleContexts", "true");
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglAwtExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglAwtExample.java
index 287e0f9..ca3d78c 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglAwtExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglAwtExample.java
@@ -58,7 +58,7 @@ public class JoglAwtExample {
     static MouseCursor _cursor1;
     static MouseCursor _cursor2;
 
-    static Map<Canvas, Boolean> _showCursor1 = new HashMap<Canvas, Boolean>();
+    static Map<Canvas, Boolean> _showCursor1 = new HashMap<>();
 
     public static void main(final String[] args) throws Exception {
         System.setProperty("ardor3d.useMultipleContexts", "true");
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglNewtAwtExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglNewtAwtExample.java
index dbd6ab4..c44fde3 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglNewtAwtExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglNewtAwtExample.java
@@ -61,7 +61,7 @@ public class JoglNewtAwtExample {
     static MouseCursor _cursor1;
     static MouseCursor _cursor2;
 
-    static Map<Canvas, Boolean> _showCursor1 = new HashMap<Canvas, Boolean>();
+    static Map<Canvas, Boolean> _showCursor1 = new HashMap<>();
 
     public static void main(final String[] args) throws Exception {
         System.setProperty("ardor3d.useMultipleContexts", "true");
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglNewtSwtExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglNewtSwtExample.java
index 0aea9e5..ad3d9f6 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglNewtSwtExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglNewtSwtExample.java
@@ -73,7 +73,7 @@ public class JoglNewtSwtExample {
     static MouseCursor _cursor1;
     static MouseCursor _cursor2;
 
-    static Map<Canvas, Boolean> _showCursor1 = new HashMap<Canvas, Boolean>();
+    static Map<Canvas, Boolean> _showCursor1 = new HashMap<>();
 
     private static final Logger logger = Logger.getLogger(JoglNewtSwtExample.class.toString());
     private static int i = 0;
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglSwingExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglSwingExample.java
index b19d581..daab345 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglSwingExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglSwingExample.java
@@ -59,7 +59,7 @@ public class JoglSwingExample {
     static MouseCursor _cursor1;
     static MouseCursor _cursor2;
 
-    static Map<Canvas, Boolean> _showCursor1 = new HashMap<Canvas, Boolean>();
+    static Map<Canvas, Boolean> _showCursor1 = new HashMap<>();
 
     public static void main(final String[] args) throws Exception {
         System.setProperty("ardor3d.useMultipleContexts", "true");
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglSwtExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglSwtExample.java
index ec7d852..7fb0519 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglSwtExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/canvas/JoglSwtExample.java
@@ -73,7 +73,7 @@ public class JoglSwtExample {
     static MouseCursor _cursor1;
     static MouseCursor _cursor2;
 
-    static Map<Canvas, Boolean> _showCursor1 = new HashMap<Canvas, Boolean>();
+    static Map<Canvas, Boolean> _showCursor1 = new HashMap<>();
 
     private static final Logger logger = Logger.getLogger(JoglSwtExample.class.toString());
     private static int i = 0;
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/effect/ExtrusionExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/effect/ExtrusionExample.java
index 05ab024..a7fa7ad 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/effect/ExtrusionExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/effect/ExtrusionExample.java
@@ -42,7 +42,7 @@ public class ExtrusionExample extends ExampleBase {
         _canvas.getCanvasRenderer().getCamera().setLocation(new Vector3(0, 0, 80));
         _canvas.getCanvasRenderer().getCamera().lookAt(new Vector3(), Vector3.UNIT_Y);
 
-        final List<ReadOnlyVector3> path = new ArrayList<ReadOnlyVector3>();
+        final List<ReadOnlyVector3> path = new ArrayList<>();
         path.add(new Vector3(0, 0, 0));
         path.add(new Vector3(0, 0, 4));
         path.add(new Vector3(1, 0, 8));
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/pipeline/AnimationDemoExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/pipeline/AnimationDemoExample.java
index 0912b12..24c8eba 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/pipeline/AnimationDemoExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/pipeline/AnimationDemoExample.java
@@ -3,7 +3,7 @@
  *
  * This file is part of Ardor3D.
  *
- * Ardor3D is free software: you can redistribute it and/or modify it 
+ * Ardor3D is free software: you can redistribute it and/or modify it
  * under the terms of its license which may be found in the accompanying
  * LICENSE file or at <http://www.ardor3d.com/LICENSE>.
  */
@@ -59,17 +59,17 @@ import com.ardor3d.util.resource.URLResourceSource;
  * Illustrates loading several animations from Collada and arranging them in an animation state machine.
  */
 @Purpose(htmlDescriptionKey = "com.ardor3d.example.pipeline.AnimationDemoExample", //
-thumbnailPath = "com/ardor3d/example/media/thumbnails/pipeline_AnimationDemoExample.jpg", //
-maxHeapMemory = 64)
+        thumbnailPath = "com/ardor3d/example/media/thumbnails/pipeline_AnimationDemoExample.jpg", //
+        maxHeapMemory = 64)
 public class AnimationDemoExample extends ExampleBase {
 
     private static final long MIN_STATE_TIME = 5000;
 
     static AnimationDemoExample instance;
 
-    private final List<AnimationManager> managers = new ArrayList<AnimationManager>();
-    private final List<AnimationInfo> animInfo = new ArrayList<AnimationInfo>();
-    private final Map<SkeletonPose, SkinnedMesh> poseToMesh = new IdentityHashMap<SkeletonPose, SkinnedMesh>();
+    private final List<AnimationManager> managers = new ArrayList<>();
+    private final List<AnimationInfo> animInfo = new ArrayList<>();
+    private final Map<SkeletonPose, SkinnedMesh> poseToMesh = new IdentityHashMap<>();
 
     public static void main(final String[] args) {
         ExampleBase.start(AnimationDemoExample.class);
@@ -148,8 +148,7 @@ public class AnimationDemoExample extends ExampleBase {
             try {
                 gpuShader.setVertexShader(ResourceLocatorTool.getClassPathResourceAsStream(AnimationDemoExample.class,
                         "com/ardor3d/extension/animation/skeletal/skinning_gpu_texture.vert"));
-                gpuShader.setFragmentShader(ResourceLocatorTool.getClassPathResourceAsStream(
-                        AnimationDemoExample.class,
+                gpuShader.setFragmentShader(ResourceLocatorTool.getClassPathResourceAsStream(AnimationDemoExample.class,
                         "com/ardor3d/extension/animation/skeletal/skinning_gpu_texture.frag"));
 
                 gpuShader.setUniform("texture", 0);
@@ -197,7 +196,7 @@ public class AnimationDemoExample extends ExampleBase {
         return skeleton;
     }
 
-    private final Map<String, AnimationClip> animationStore = new HashMap<String, AnimationClip>();
+    private final Map<String, AnimationClip> animationStore = new HashMap<>();
 
     private AnimationManager createAnimationManager(final SkeletonPose pose) {
         // Make our manager
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/pipeline/ColladaExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/pipeline/ColladaExample.java
index 960e9a3..7658797 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/pipeline/ColladaExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/pipeline/ColladaExample.java
@@ -359,7 +359,7 @@ public class ColladaExample extends ExampleBase {
 
     private List<File> findFiles(final File rootDir, final String name, List<File> fileList) {
         if (fileList == null) {
-            fileList = new ArrayList<File>();
+            fileList = new ArrayList<>();
         }
         final File[] files = rootDir.listFiles();
         for (int i = 0; i < files.length; i++) {
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/Texture3DExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/Texture3DExample.java
index 8a7ce03..0c82d57 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/Texture3DExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/Texture3DExample.java
@@ -78,7 +78,7 @@ public class Texture3DExample extends ExampleBase {
         img.setHeight(32);
         img.setDepth(32);
 
-        final List<ByteBuffer> data = new ArrayList<ByteBuffer>();
+        final List<ByteBuffer> data = new ArrayList<>();
         for (int i = 0; i < 32; i++) {
             final Image colorImage = GeneratedImageFactory
                     .createSolidColorImage(ColorRGBA.randomColor(null), false, 32);
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/utils/atlas/AtlasExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/utils/atlas/AtlasExample.java
index cc3353c..962771a 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/utils/atlas/AtlasExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/utils/atlas/AtlasExample.java
@@ -158,7 +158,7 @@ public class AtlasExample extends ExampleBase {
 
     private void packIntoAtlas(final Spatial spatial) {
         // Gather up all meshes to do the atlas operation on
-        final List<Mesh> meshes = new ArrayList<Mesh>();
+        final List<Mesh> meshes = new ArrayList<>();
         final Visitor visitor = new Visitor() {
             @Override
             public void visit(final Spatial spatial) {
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/utils/atlas/AtlasExampleMultiTextured.java b/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/utils/atlas/AtlasExampleMultiTextured.java
index 8e3ee11..831fc05 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/utils/atlas/AtlasExampleMultiTextured.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/renderer/utils/atlas/AtlasExampleMultiTextured.java
@@ -159,7 +159,7 @@ public class AtlasExampleMultiTextured extends ExampleBase {
 
     private void packIntoAtlas(final Spatial spatial) {
         // Gather up all meshes to do the atlas operation on
-        final List<Mesh> meshes = new ArrayList<Mesh>();
+        final List<Mesh> meshes = new ArrayList<>();
         final Visitor visitor = new Visitor() {
             @Override
             public void visit(final Spatial spatial) {
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/terrain/ShadowedTerrainExample.java b/ardor3d-examples/src/main/java/com/ardor3d/example/terrain/ShadowedTerrainExample.java
index 3f339fc..89ba8fd 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/terrain/ShadowedTerrainExample.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/terrain/ShadowedTerrainExample.java
@@ -1 +1 @@
-/**
 * Copyright (c) 2008-2012 Ardor Labs, Inc.
 *
 * This file is part of Ardor3D.
 *
 * Ardor3D is free software: you can redistribute it and/or modify it 
 * under the terms of its license which may be found in the accompanying
 * LICENSE file or at <http://www.ardor3d.com/LICENSE>.
 */

package com.ardor3d.example.terrain;

import java.util.Random;
import java.util.concurrent.Callable;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.ardor3d.bounding.BoundingBox;
import com.ardor3d.example.ExampleBase;
import com.ardor3d.example.Purpose;
import com.ardor3d.extension.shadow.map.ParallelSplitShadowMapPass;
import com.ardor3d.extension.shadow.map.ParallelSplitShadowMapPass.Filter;
import com.ardor3d.extension.terrain.client.Terrain;
import com.ardor3d.extension.terrain.client.TerrainBuilder;
import com.ardor3d.extension.terrain.client.TerrainDataProvider;
import com.ardor3d.extension.terrain.client.UrlInputSupplier;
import com.ardor3d.extension.terrain.heightmap.MidPointHeightMapGenerator;
import com.ardor3d.extension.terrain.providers.array.ArrayTerrainDataProvider;
import com.ardor3d.framework.Canvas;
import com.ardor3d.framework.CanvasRenderer;
import com.ardor3d.input.Key;
import com.ardor3d.input.logical.InputTrigger;
import com.ardor3d.input.logical.KeyPressedCondition;
import com.ardor3d.input.logical.TriggerAction;
import com.ardor3d.input.logical.TwoInputStates;
import com.ardor3d.intersection.PickingUtil;
import com.ardor3d.intersection.PrimitivePickResults;
import com.ardor3d.light.DirectionalLight;
import com.ardor3d.math.ColorRGBA;
import com.ardor3d.math.Ray3;
import com.ardor3d.math.Vector3;
import com.ardor3d.renderer.Camera;
import com.ardor3d.renderer.RenderContext;
import com.ardor3d.renderer.Renderer;
import com.ardor3d.renderer.queue.RenderBucketType;
import com.ardor3d.renderer.state.CullState;
import com.ardor3d.renderer.state.FogState;
import com.ardor3d.renderer.state.FogState.DensityFunction;
import com.ardor3d.scenegraph.Mesh;
import com.ardor3d.scenegraph.Node;
import com.ardor3d.scenegraph.hint.CullHint;
import com.ardor3d.scenegraph.hint.LightCombineMode;
import com.ardor3d.scenegraph.shape.Box;
import com.ardor3d.scenegraph.shape.Sphere;
import com.ardor3d.ui.text.BasicText;
import com.ardor3d.util.GameTaskQueue;
import com.ardor3d.util.GameTaskQueueManager;
import com.ardor3d.util.ReadOnlyTimer;
import com.ardor3d.util.resource.ResourceLocatorTool;

/**
 * Example showing the Geometry Clipmap Terrain system combined with PSSM. (a bit experimental) Requires GLSL support.
 */
@Purpose(htmlDescriptionKey = "com.ardor3d.example.terrain.ShadowedTerrainExample", //
thumbnailPath = "com/ardor3d/example/media/thumbnails/terrain_ShadowedTerrainExample.jpg", //
maxHeapMemory = 128)
public class ShadowedTerrainExample extends ExampleBase {
    /** The Constant logger. */
    private static final Logger logger = Logger.getLogger(ShadowedTerrainExample.class.getName());

    private boolean updateTerrain = true;
    private final float farPlane = 2500.0f;

    private Terrain terrain;

    private final Sphere sphere = new Sphere("sp", 16, 16, 1);
    private final Ray3 pickRay = new Ray3();

    private boolean groundCamera = false;
    private Camera terrainCamera;

    /** Pssm shadow map pass. */
    private ParallelSplitShadowMapPass _pssmPass;

    private DirectionalLight light;

    /** Temp vec for updating light pos. */
    private final Vector3 lightPosition = new Vector3(10000, 10000, 10000);

    /** Text fields used to present info about the example. */
    private final BasicText _exampleInfo[] = new BasicText[5];

    public static void main(final String[] args) {
        ExampleBase.start(ShadowedTerrainExample.class);
    }

    @Override
    protected void updateExample(final ReadOnlyTimer timer) {
        final Camera camera = _canvas.getCanvasRenderer().getCamera();

        // Make sure camera is above terrain
        final double height = terrain.getHeightAt(camera.getLocation().getX(), camera.getLocation().getZ());
        if (height > -Float.MAX_VALUE && (groundCamera || camera.getLocation().getY() < height + 3)) {
            camera.setLocation(new Vector3(camera.getLocation().getX(), height + 3, camera.getLocation().getZ()));
        }

        if (updateTerrain) {
            terrainCamera.set(camera);
        }

        // if we're picking...
        if (sphere.getSceneHints().getCullHint() == CullHint.Dynamic) {
            // Set up our pick ray
            pickRay.setOrigin(camera.getLocation());
            pickRay.setDirection(camera.getDirection());

            // do pick and move the sphere
            final PrimitivePickResults pickResults = new PrimitivePickResults();
            pickResults.setCheckDistance(true);
            PickingUtil.findPick(_root, pickRay, pickResults);
            if (pickResults.getNumber() != 0) {
                final Vector3 intersectionPoint = pickResults.getPickData(0).getIntersectionRecord()
                        .getIntersectionPoint(0);
                sphere.setTranslation(intersectionPoint);
                // XXX: maybe change the color of the ball for valid vs. invalid?
            }
        }
    }

    @Override
    protected void renderExample(final Renderer renderer) {
        // Lazy init since it needs the renderer...
        if (!_pssmPass.isInitialised()) {
            _pssmPass.init(renderer);
            _pssmPass.setPssmShader(terrain.getGeometryClipmapShader());
            for (int i = 0; i < _pssmPass.getNumOfSplits(); i++) {
                terrain.getClipTextureState().setTexture(_pssmPass.getShadowMapTexture(i), i + 1);
            }
            for (int i = 0; i < ParallelSplitShadowMapPass._MAX_SPLITS; i++) {
                terrain.getGeometryClipmapShader().setUniform("shadowMap" + i, i + 1);
            }
        }

        // Update shadowmaps
        _pssmPass.updateShadowMaps(renderer);

        // Render scene and terrain with shadows
        super.renderExample(renderer);
        renderer.renderBuckets();

        // Render overlay shadows for all objects except the terrain
        _pssmPass.renderShadowedScene(renderer);

        // TODO: this results in text etc also being shadowed, since they are drawn in the main render...
    }

    /**
     * Initialize pssm pass and scene.
     */
    @Override
    protected void initExample() {
        _canvas.setTitle("Terrain Example");
        final Camera cam = _canvas.getCanvasRenderer().getCamera();
        cam.setLocation(new Vector3(440, 215, 275));
        cam.lookAt(new Vector3(450, 140, 360), Vector3.UNIT_Y);
        cam.setFrustumPerspective(70.0, (float) cam.getWidth() / cam.getHeight(), 1.0f, farPlane);
        final CanvasRenderer canvasRenderer = _canvas.getCanvasRenderer();
        final RenderContext renderContext = canvasRenderer.getRenderContext();
        final Renderer renderer = canvasRenderer.getRenderer();
        GameTaskQueueManager.getManager(renderContext).getQueue(GameTaskQueue.RENDER).enqueue(new Callable<Void>() {
            @Override
            public Void call() throws Exception {
                renderer.setBackgroundColor(ColorRGBA.GRAY);
                return null;
            }
        });
        _controlHandle.setMoveSpeed(200);

        setupDefaultStates();

        sphere.getSceneHints().setAllPickingHints(false);
        sphere.getSceneHints().setCullHint(CullHint.Always);
        _root.attachChild(sphere);

        try {
            // Keep a separate camera to be able to freeze terrain update
            terrainCamera = new Camera(cam);

            final int SIZE = 2048;

            final MidPointHeightMapGenerator raw = new MidPointHeightMapGenerator(SIZE, 0.6f);
            raw.setHeightRange(0.2f);
            final float[] heightMap = raw.getHeightData();

            final TerrainDataProvider terrainDataProvider = new ArrayTerrainDataProvider(heightMap, SIZE, new Vector3(
                    1, 300, 1));

            terrain = new TerrainBuilder(terrainDataProvider, terrainCamera).setShowDebugPanels(true).build();

            terrain.setPixelShader(new UrlInputSupplier(ResourceLocatorTool
                    .getClassPathResource(ShadowedTerrainExample.class,
                            "com/ardor3d/extension/terrain/shadowedGeometryClipmapShaderPCF.frag")));
            terrain.reloadShader();

            _root.attachChild(terrain);
        } catch (final Exception e) {
            logger.log(Level.SEVERE, "Problem setting up terrain...", e);
            System.exit(1);
        }

        // Initialize PSSM shadows
        _pssmPass = new ParallelSplitShadowMapPass(light, 1024, 4);
        _pssmPass.setFiltering(Filter.Pcf);
        _pssmPass.setRenderShadowedScene(false);
        _pssmPass.setKeepMainShader(true);
        _pssmPass.setMaxShadowDistance(750); // XXX: Tune this
        // _pssmPass.setMinimumLightDistance(500); // XXX: Tune this
        _pssmPass.setUseSceneTexturing(false);
        _pssmPass.setUseObjectCullFace(false);
        // _pssmPass.setDrawDebug(true);

        final Node occluders = setupOccluders();
        _root.attachChild(occluders);

        // TODO: could we use the shadow variable in scenehints here??
        // Add objects that will get shadowed through overlay render
        _pssmPass.add(occluders);

        // Add terrain in as bounds receiver as well, since it's not in the overlay list
        _pssmPass.addBoundsReceiver(terrain);

        // Add our occluders that will produce shadows
        _pssmPass.addOccluder(occluders);

        // Setup labels for presenting example info.
        final Node textNodes = new Node("Text");
        _root.attachChild(textNodes);
        textNodes.getSceneHints().setRenderBucketType(RenderBucketType.Ortho);
        textNodes.getSceneHints().setLightCombineMode(LightCombineMode.Off);

        final double infoStartY = _canvas.getCanvasRenderer().getCamera().getHeight() / 2;
        for (int i = 0; i < _exampleInfo.length; i++) {
            _exampleInfo[i] = BasicText.createDefaultTextLabel("Text", "", 16);
            _exampleInfo[i].setTranslation(new Vector3(10, infoStartY - i * 20, 0));
            textNodes.attachChild(_exampleInfo[i]);
        }

        textNodes.updateGeometricState(0.0);
        updateText();

        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.U), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                updateTerrain = !updateTerrain;
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.ONE), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _controlHandle.setMoveSpeed(5);
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.TWO), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _controlHandle.setMoveSpeed(50);
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.THREE), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _controlHandle.setMoveSpeed(400);
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.FOUR), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _controlHandle.setMoveSpeed(1000);
                updateText();
            }
        }));

        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.SPACE), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                groundCamera = !groundCamera;
                updateText();
            }
        }));

        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.P), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                if (sphere.getSceneHints().getCullHint() == CullHint.Dynamic) {
                    sphere.getSceneHints().setCullHint(CullHint.Always);
                } else if (sphere.getSceneHints().getCullHint() == CullHint.Always) {
                    sphere.getSceneHints().setCullHint(CullHint.Dynamic);
                }
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.R), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                terrain.getTextureClipmap().setShowDebug(!terrain.getTextureClipmap().isShowDebug());
                terrain.reloadShader();
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.G), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                terrain.reloadShader();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.FIVE), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                terrain.getTextureClipmap().setScale(terrain.getTextureClipmap().getScale() / 2);
                terrain.reloadShader();
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.SIX), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                terrain.getTextureClipmap().setScale(terrain.getTextureClipmap().getScale() * 2);
                terrain.reloadShader();
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.C), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _pssmPass.setUpdateMainCamera(!_pssmPass.isUpdateMainCamera());
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.ZERO), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                final Camera cam = _canvas.getCanvasRenderer().getCamera();
                System.out.println("camera location: " + cam.getLocation());
                System.out.println("camera direction: " + cam.getDirection());
            }
        }));

    }

    private Node setupOccluders() {
        final Node occluders = new Node("Occluders");

        final Box box = new Box("Box", new Vector3(), 1, 40, 1);
        box.setModelBound(new BoundingBox());
        box.setRandomColors();

        final Random rand = new Random(1337);
        for (int x = 0; x < 8; x++) {
            for (int y = 0; y < 8; y++) {
                final Mesh sm = box.makeCopy(true);

                sm.setTranslation(500 + rand.nextDouble() * 300 - 150, 20 + rand.nextDouble() * 5.0,
                        500 + rand.nextDouble() * 300 - 150);
                occluders.attachChild(sm);
            }
        }

        return occluders;
    }

    private void setupDefaultStates() {
        _lightState.detachAll();
        light = new DirectionalLight();
        light.setEnabled(true);
        light.setAmbient(new ColorRGBA(0.4f, 0.4f, 0.5f, 1));
        light.setDiffuse(new ColorRGBA(0.6f, 0.6f, 0.5f, 1));
        light.setSpecular(new ColorRGBA(0.3f, 0.3f, 0.2f, 1));
        light.setDirection(lightPosition.normalize(null).negateLocal());
        _lightState.attach(light);
        _lightState.setEnabled(true);

        final CullState cs = new CullState();
        cs.setEnabled(true);
        cs.setCullFace(CullState.Face.Back);
        _root.setRenderState(cs);

        final FogState fs = new FogState();
        fs.setStart(farPlane / 2.0f);
        fs.setEnd(farPlane);
        fs.setColor(new ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f));
        fs.setDensityFunction(DensityFunction.Linear);
        _root.setRenderState(fs);
    }

    /**
     * Update text information.
     */
    private void updateText() {
        _exampleInfo[0].setText("[1/2/3] Moving speed: " + _controlHandle.getMoveSpeed() * 3.6 + " km/h");
        _exampleInfo[1].setText("[P] Do picking: " + (sphere.getSceneHints().getCullHint() == CullHint.Dynamic));
        _exampleInfo[2].setText("[SPACE] Toggle fly/walk: " + (groundCamera ? "walk" : "fly"));
        _exampleInfo[3].setText("[J] Regenerate heightmap/texture");
        _exampleInfo[4].setText("[U] Freeze terrain(debug): " + !updateTerrain);
    }
}
\ No newline at end of file
+/**
 * Copyright (c) 2008-2012 Ardor Labs, Inc.
 *
 * This file is part of Ardor3D.
 *
 * Ardor3D is free software: you can redistribute it and/or modify it 
 * under the terms of its license which may be found in the accompanying
 * LICENSE file or at <http://www.ardor3d.com/LICENSE>.
 */

package com.ardor3d.example.terrain;

import java.util.Random;
import java.util.concurrent.Callable;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.ardor3d.bounding.BoundingBox;
import com.ardor3d.example.ExampleBase;
import com.ardor3d.example.Purpose;
import com.ardor3d.extension.shadow.map.ParallelSplitShadowMapPass;
import com.ardor3d.extension.shadow.map.ParallelSplitShadowMapPass.Filter;
import com.ardor3d.extension.terrain.client.Terrain;
import com.ardor3d.extension.terrain.client.TerrainBuilder;
import com.ardor3d.extension.terrain.client.TerrainDataProvider;
import com.ardor3d.extension.terrain.client.UrlInputSupplier;
import com.ardor3d.extension.terrain.heightmap.MidPointHeightMapGenerator;
import com.ardor3d.extension.terrain.providers.array.ArrayTerrainDataProvider;
import com.ardor3d.framework.Canvas;
import com.ardor3d.framework.CanvasRenderer;
import com.ardor3d.input.Key;
import com.ardor3d.input.logical.InputTrigger;
import com.ardor3d.input.logical.KeyPressedCondition;
import com.ardor3d.input.logical.TriggerAction;
import com.ardor3d.input.logical.TwoInputStates;
import com.ardor3d.intersection.PickingUtil;
import com.ardor3d.intersection.PrimitivePickResults;
import com.ardor3d.light.DirectionalLight;
import com.ardor3d.math.ColorRGBA;
import com.ardor3d.math.Ray3;
import com.ardor3d.math.Vector3;
import com.ardor3d.renderer.Camera;
import com.ardor3d.renderer.RenderContext;
import com.ardor3d.renderer.Renderer;
import com.ardor3d.renderer.queue.RenderBucketType;
import com.ardor3d.renderer.state.CullState;
import com.ardor3d.renderer.state.FogState;
import com.ardor3d.renderer.state.FogState.DensityFunction;
import com.ardor3d.scenegraph.Mesh;
import com.ardor3d.scenegraph.Node;
import com.ardor3d.scenegraph.hint.CullHint;
import com.ardor3d.scenegraph.hint.LightCombineMode;
import com.ardor3d.scenegraph.shape.Box;
import com.ardor3d.scenegraph.shape.Sphere;
import com.ardor3d.ui.text.BasicText;
import com.ardor3d.util.GameTaskQueue;
import com.ardor3d.util.GameTaskQueueManager;
import com.ardor3d.util.ReadOnlyTimer;
import com.ardor3d.util.resource.ResourceLocatorTool;

/**
 * Example showing the Geometry Clipmap Terrain system combined with PSSM. (a bit experimental) Requires GLSL support.
 */
@Purpose(htmlDescriptionKey = "com.ardor3d.example.terrain.ShadowedTerrainExample", //
thumbnailPath = "com/ardor3d/example/media/thumbnails/terrain_ShadowedTerrainExample.jpg", //
maxHeapMemory = 128)
public class ShadowedTerrainExample extends ExampleBase {
    /** The Constant logger. */
    private static final Logger logger = Logger.getLogger(ShadowedTerrainExample.class.getName());

    private boolean updateTerrain = true;
    private final float farPlane = 2500.0f;

    private Terrain terrain;

    private final Sphere sphere = new Sphere("sp", 16, 16, 1);
    private final Ray3 pickRay = new Ray3();

    private boolean groundCamera = false;
    private Camera terrainCamera;

    /** Pssm shadow map pass. */
    private ParallelSplitShadowMapPass _pssmPass;

    private DirectionalLight directionalLight;

    /** Temp vec for updating light pos. */
    private final Vector3 lightPosition = new Vector3(10000, 10000, 10000);

    /** Text fields used to present info about the example. */
    private final BasicText _exampleInfo[] = new BasicText[5];

    public static void main(final String[] args) {
        ExampleBase.start(ShadowedTerrainExample.class);
    }

    @Override
    protected void updateExample(final ReadOnlyTimer timer) {
        final Camera camera = _canvas.getCanvasRenderer().getCamera();

        // Make sure camera is above terrain
        final double height = terrain.getHeightAt(camera.getLocation().getX(), camera.getLocation().getZ());
        if (height > -Float.MAX_VALUE && (groundCamera || camera.getLocation().getY() < height + 3)) {
            camera.setLocation(new Vector3(camera.getLocation().getX(), height + 3, camera.getLocation().getZ()));
        }

        if (updateTerrain) {
            terrainCamera.set(camera);
        }

        // if we're picking...
        if (sphere.getSceneHints().getCullHint() == CullHint.Dynamic) {
            // Set up our pick ray
            pickRay.setOrigin(camera.getLocation());
            pickRay.setDirection(camera.getDirection());

            // do pick and move the sphere
            final PrimitivePickResults pickResults = new PrimitivePickResults();
            pickResults.setCheckDistance(true);
            PickingUtil.findPick(_root, pickRay, pickResults);
            if (pickResults.getNumber() != 0) {
                final Vector3 intersectionPoint = pickResults.getPickData(0).getIntersectionRecord()
                        .getIntersectionPoint(0);
                sphere.setTranslation(intersectionPoint);
                // XXX: maybe change the color of the ball for valid vs. invalid?
            }
        }
    }

    @Override
    protected void renderExample(final Renderer renderer) {
        // Lazy init since it needs the renderer...
        if (!_pssmPass.isInitialised()) {
            _pssmPass.init(renderer);
            _pssmPass.setPssmShader(terrain.getGeometryClipmapShader());
            for (int i = 0; i < _pssmPass.getNumOfSplits(); i++) {
                terrain.getClipTextureState().setTexture(_pssmPass.getShadowMapTexture(i), i + 1);
            }
            for (int i = 0; i < ParallelSplitShadowMapPass._MAX_SPLITS; i++) {
                terrain.getGeometryClipmapShader().setUniform("shadowMap" + i, i + 1);
            }
        }

        // Update shadowmaps
        _pssmPass.updateShadowMaps(renderer);

        // Render scene and terrain with shadows
        super.renderExample(renderer);
        renderer.renderBuckets();

        // Render overlay shadows for all objects except the terrain
        _pssmPass.renderShadowedScene(renderer);

        // TODO: this results in text etc also being shadowed, since they are drawn in the main render...
    }

    /**
     * Initialize pssm pass and scene.
     */
    @Override
    protected void initExample() {
        _canvas.setTitle("Terrain Example");
        final Camera cam = _canvas.getCanvasRenderer().getCamera();
        cam.setLocation(new Vector3(440, 215, 275));
        cam.lookAt(new Vector3(450, 140, 360), Vector3.UNIT_Y);
        cam.setFrustumPerspective(70.0, (float) cam.getWidth() / cam.getHeight(), 1.0f, farPlane);
        final CanvasRenderer canvasRenderer = _canvas.getCanvasRenderer();
        final RenderContext renderContext = canvasRenderer.getRenderContext();
        final Renderer renderer = canvasRenderer.getRenderer();
        GameTaskQueueManager.getManager(renderContext).getQueue(GameTaskQueue.RENDER).enqueue(new Callable<Void>() {
            @Override
            public Void call() throws Exception {
                renderer.setBackgroundColor(ColorRGBA.GRAY);
                return null;
            }
        });
        _controlHandle.setMoveSpeed(200);

        setupDefaultStates();

        sphere.getSceneHints().setAllPickingHints(false);
        sphere.getSceneHints().setCullHint(CullHint.Always);
        _root.attachChild(sphere);

        try {
            // Keep a separate camera to be able to freeze terrain update
            terrainCamera = new Camera(cam);

            final int SIZE = 2048;

            final MidPointHeightMapGenerator raw = new MidPointHeightMapGenerator(SIZE, 0.6f);
            raw.setHeightRange(0.2f);
            final float[] heightMap = raw.getHeightData();

            final TerrainDataProvider terrainDataProvider = new ArrayTerrainDataProvider(heightMap, SIZE, new Vector3(
                    1, 300, 1));

            terrain = new TerrainBuilder(terrainDataProvider, terrainCamera).setShowDebugPanels(true).build();

            terrain.setPixelShader(new UrlInputSupplier(ResourceLocatorTool
                    .getClassPathResource(ShadowedTerrainExample.class,
                            "com/ardor3d/extension/terrain/shadowedGeometryClipmapShaderPCF.frag")));
            terrain.reloadShader();

            _root.attachChild(terrain);
        } catch (final Exception e) {
            logger.log(Level.SEVERE, "Problem setting up terrain...", e);
            System.exit(1);
        }

        // Initialize PSSM shadows
        _pssmPass = new ParallelSplitShadowMapPass(directionalLight, 1024, 4);
        _pssmPass.setFiltering(Filter.Pcf);
        _pssmPass.setRenderShadowedScene(false);
        _pssmPass.setKeepMainShader(true);
        _pssmPass.setMaxShadowDistance(750); // XXX: Tune this
        // _pssmPass.setMinimumLightDistance(500); // XXX: Tune this
        _pssmPass.setUseSceneTexturing(false);
        _pssmPass.setUseObjectCullFace(false);
        // _pssmPass.setDrawDebug(true);

        final Node occluders = setupOccluders();
        _root.attachChild(occluders);

        // TODO: could we use the shadow variable in scenehints here??
        // Add objects that will get shadowed through overlay render
        _pssmPass.add(occluders);

        // Add terrain in as bounds receiver as well, since it's not in the overlay list
        _pssmPass.addBoundsReceiver(terrain);

        // Add our occluders that will produce shadows
        _pssmPass.addOccluder(occluders);

        // Setup labels for presenting example info.
        final Node textNodes = new Node("Text");
        _root.attachChild(textNodes);
        textNodes.getSceneHints().setRenderBucketType(RenderBucketType.Ortho);
        textNodes.getSceneHints().setLightCombineMode(LightCombineMode.Off);

        final double infoStartY = _canvas.getCanvasRenderer().getCamera().getHeight() / 2;
        for (int i = 0; i < _exampleInfo.length; i++) {
            _exampleInfo[i] = BasicText.createDefaultTextLabel("Text", "", 16);
            _exampleInfo[i].setTranslation(new Vector3(10, infoStartY - i * 20, 0));
            textNodes.attachChild(_exampleInfo[i]);
        }

        textNodes.updateGeometricState(0.0);
        updateText();

        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.U), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                updateTerrain = !updateTerrain;
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.ONE), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _controlHandle.setMoveSpeed(5);
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.TWO), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _controlHandle.setMoveSpeed(50);
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.THREE), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _controlHandle.setMoveSpeed(400);
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.FOUR), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _controlHandle.setMoveSpeed(1000);
                updateText();
            }
        }));

        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.SPACE), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                groundCamera = !groundCamera;
                updateText();
            }
        }));

        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.P), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                if (sphere.getSceneHints().getCullHint() == CullHint.Dynamic) {
                    sphere.getSceneHints().setCullHint(CullHint.Always);
                } else if (sphere.getSceneHints().getCullHint() == CullHint.Always) {
                    sphere.getSceneHints().setCullHint(CullHint.Dynamic);
                }
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.R), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                terrain.getTextureClipmap().setShowDebug(!terrain.getTextureClipmap().isShowDebug());
                terrain.reloadShader();
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.G), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                terrain.reloadShader();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.FIVE), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                terrain.getTextureClipmap().setScale(terrain.getTextureClipmap().getScale() / 2);
                terrain.reloadShader();
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.SIX), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                terrain.getTextureClipmap().setScale(terrain.getTextureClipmap().getScale() * 2);
                terrain.reloadShader();
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.C), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                _pssmPass.setUpdateMainCamera(!_pssmPass.isUpdateMainCamera());
                updateText();
            }
        }));
        _logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.ZERO), new TriggerAction() {
            @Override
            public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
                final Camera cam = _canvas.getCanvasRenderer().getCamera();
                System.out.println("camera location: " + cam.getLocation());
                System.out.println("camera direction: " + cam.getDirection());
            }
        }));

    }

    private Node setupOccluders() {
        final Node occluders = new Node("Occluders");

        final Box box = new Box("Box", new Vector3(), 1, 40, 1);
        box.setModelBound(new BoundingBox());
        box.setRandomColors();

        final Random rand = new Random(1337);
        for (int x = 0; x < 8; x++) {
            for (int y = 0; y < 8; y++) {
                final Mesh sm = box.makeCopy(true);

                sm.setTranslation(500 + rand.nextDouble() * 300 - 150, 20 + rand.nextDouble() * 5.0,
                        500 + rand.nextDouble() * 300 - 150);
                occluders.attachChild(sm);
            }
        }

        return occluders;
    }

    private void setupDefaultStates() {
        _lightState.detachAll();
        directionalLight = new DirectionalLight();
        directionalLight.setEnabled(true);
        directionalLight.setAmbient(new ColorRGBA(0.4f, 0.4f, 0.5f, 1));
        directionalLight.setDiffuse(new ColorRGBA(0.6f, 0.6f, 0.5f, 1));
        directionalLight.setSpecular(new ColorRGBA(0.3f, 0.3f, 0.2f, 1));
        directionalLight.setDirection(lightPosition.normalize(null).negateLocal());
        _lightState.attach(directionalLight);
        _lightState.setEnabled(true);

        final CullState cs = new CullState();
        cs.setEnabled(true);
        cs.setCullFace(CullState.Face.Back);
        _root.setRenderState(cs);

        final FogState fs = new FogState();
        fs.setStart(farPlane / 2.0f);
        fs.setEnd(farPlane);
        fs.setColor(new ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f));
        fs.setDensityFunction(DensityFunction.Linear);
        _root.setRenderState(fs);
    }

    /**
     * Update text information.
     */
    private void updateText() {
        _exampleInfo[0].setText("[1/2/3] Moving speed: " + _controlHandle.getMoveSpeed() * 3.6 + " km/h");
        _exampleInfo[1].setText("[P] Do picking: " + (sphere.getSceneHints().getCullHint() == CullHint.Dynamic));
        _exampleInfo[2].setText("[SPACE] Toggle fly/walk: " + (groundCamera ? "walk" : "fly"));
        _exampleInfo[3].setText("[J] Regenerate heightmap/texture");
        _exampleInfo[4].setText("[U] Freeze terrain(debug): " + !updateTerrain);
    }
}
\ No newline at end of file
diff --git a/ardor3d-examples/src/main/java/com/ardor3d/example/ui/BMFontLoader.java b/ardor3d-examples/src/main/java/com/ardor3d/example/ui/BMFontLoader.java
index 73be066..3947b1e 100644
--- a/ardor3d-examples/src/main/java/com/ardor3d/example/ui/BMFontLoader.java
+++ b/ardor3d-examples/src/main/java/com/ardor3d/example/ui/BMFontLoader.java
@@ -25,7 +25,7 @@ public class BMFontLoader {
     static Logger logger = Logger.getLogger(BMFontLoader.class.getName());
 
     static BMFontLoader s_instance = null;
-    final ArrayList<BMFont> _fontList = new ArrayList<BMFont>();
+    final ArrayList<BMFont> _fontList = new ArrayList<>();
 
     public static List<BMFont> allFonts() {
         return instance()._fontList;