src/org/sourceforge/desert/DesertPanel.java

   1 /*
   2  * Copyright (c) 2010 The Desert team
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use,
   8  * copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following
  11  * conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be
  14  * included in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  18  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  20  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26 package org.sourceforge.desert;
  27
  28 import java.awt.BorderLayout;
  29 import java.awt.Choice;
  30 import java.awt.Component;
  31 import java.awt.Label;
  32 import java.awt.Panel;
  33 import java.awt.event.ActionEvent;
  34 import java.awt.event.ActionListener;
  35 import java.awt.event.ItemEvent;
  36 import java.awt.event.ItemListener;
  37 import java.awt.event.MouseMotionListener;
  38 import java.awt.event.MouseEvent;
  39 import java.util.ResourceBundle;
  40 import java.util.logging.Level;
  41 import java.util.logging.Logger;
  42 import javax.swing.Box;
  43
  44 /**
  45  *
  46  * @author codistmonk (creation 2010-04-15)
  47  */
  48 @SuppressWarnings("serial")
  49 public class DesertPanel extends Panel {
  50
  51     private final Timer timer;
  52
  53     private final DrawingBoard drawingBoard;
  54
  55     private final GCThread gcThread;
  56
  57     public DesertPanel() {
  58         super(new BorderLayout());
  59         this.timer = new Timer(FRAMERATE);
  60         this.drawingBoard = new DrawingBoard();
  61
  62         final CursorPositionLabel xyMouse = new CursorPositionLabel();
  63         final FramerateLabel framerateLabel = new FramerateLabel();
  64         final ParticleCountLabel particleCountLabel = this.new ParticleCountLabel();
  65
  66         this.add(this.getDrawingBoard(), BorderLayout.CENTER);
  67         this.add(verticalBox(
  68                 horizontalBox(framerateLabel, particleCountLabel, xyMouse),
  69                 horizontalBox(new Label("Particle engine: "), this.new ParticleEngineChoice()),
  70                 horizontalBox(new Label("Particle type: "), this.new ParticleTypeChoice())
  71         ), BorderLayout.SOUTH);
  72
  73         this.getTimer().addActionListener(this.getDrawingBoard());
  74         this.getDrawingBoard().addMouseMotionListener(xyMouse);
  75         this.getTimer().addActionListener(framerateLabel);
  76         this.getTimer().addActionListener(particleCountLabel);
  77         this.gcThread = new GCThread();
  78         this.gcThread.start();
  79     }
  80
  81     /**
  82      *
  83      * @return
  84      * <br>A non-null value
  85      * <br>A reference
  86      */
  87     public final Timer getTimer() {
  88         return this.timer;
  89     }
  90
  91     /**
  92      *
  93      * @return
  94      * <br>A non-null value
  95      * <br>A reference
  96      */
  97     public final DrawingBoard getDrawingBoard() {
  98         return this.drawingBoard;
  99     }
 100
 101     /**
 102      *
 103      * @author codistmonk (creation 2010-04-17)
 104      */
 105     @SuppressWarnings("serial")
 106     private final class ParticleEngineChoice extends Choice {
 107
 108         public ParticleEngineChoice() {
 109             this.add("Custom");
 110             this.add("JBullet");
 111             this.add("Phys2D");
 112             this.add("Ode4J");
 113
 114             this.addItemListener(this.new ItemHandler());
 115         }
 116
 117         /**
 118          *
 119          * @author codistmonk (creation 2010-04-17)
 120          */
 121         private final class ItemHandler implements ItemListener {
 122
 123             @Override
 124             public final void itemStateChanged(final ItemEvent event) {
 125                 if (event.getStateChange() == ItemEvent.SELECTED) {
 126                     try {
 127                         DesertPanel.this.getDrawingBoard().setParticleEngine(this.createParticleEngine());
 128                     } catch (final InstantiationException exception) {
 129                         Logger.getLogger(DesertPanel.class.getName()).log(Level.SEVERE, null, exception);
 130                     } catch (final IllegalAccessException exception) {
 131                         Logger.getLogger(DesertPanel.class.getName()).log(Level.SEVERE, null, exception);
 132                     }
 133                 }
 134             }
 135
 136             /**
 137             * @return
 138             * <br>A new value
 139             * <br>A non-null value
 140             * @throws InstantiationException
 141             * @throws IllegalAccessException
 142             */
 143             private final ParticleEngine createParticleEngine() throws InstantiationException, IllegalAccessException {
 144                 return (ParticleEngine) new Class<?>[] {
 145                             ParticleEngineCustomImplementation.class,
 146                             ParticleEngineJBulletImplementation.class,
 147                             ParticleEnginePhys2DImplementation.class,
 148                             ParticleEngineOde4JImplementation.class
 149                 }[ParticleEngineChoice.this.getSelectedIndex()].newInstance();
 150             }
 151
 152         }
 153
 154     }
 155
 156     /**
 157      *
 158      * @author andrew (creation 2010-04-17)
 159      */
 160     @SuppressWarnings("serial")
 161     private final class ParticleTypeChoice extends Choice {
 162
 163         public ParticleTypeChoice() {
 164             final ResourceBundle resourceBundle = ResourceBundle.getBundle("org.sourceforge.desert.resources.messages");
 165
 166             for (final Particle.Type type : Particle.Type.values()) {
 167                 this.add(resourceBundle.getString(type.toString()));
 168             }
 169
 170             this.updateDrawingBoardParticleType();
 171
 172             this.addItemListener(this.new ItemHandler());
 173         }
 174
 175         final void updateDrawingBoardParticleType() {
 176             DesertPanel.this.getDrawingBoard().setParticleType(
 177                     Particle.Type.values()[ParticleTypeChoice.this.getSelectedIndex()]);
 178         }
 179
 180         /**
 181          *
 182          * @author andrew (creation 2010-04-17)
 183          */
 184         private final class ItemHandler implements ItemListener {
 185
 186             @Override
 187             public final void itemStateChanged(final ItemEvent event) {
 188                 if (event.getStateChange() == ItemEvent.SELECTED) {
 189                     ParticleTypeChoice.this.updateDrawingBoardParticleType();
 190                 }
 191             }
 192
 193         }
 194
 195     }
 196
 197     /**
 198      *
 199      * @author codistmonk (creation 2010-04-15)
 200      */
 201     @SuppressWarnings("serial")
 202     private final class ParticleCountLabel extends Label implements ActionListener {
 203
 204         @Override
 205         public final void actionPerformed(final ActionEvent event) {
 206             this.setText("Particle count: " + DesertPanel.this.getDrawingBoard().getParticleCount());
 207         }
 208
 209     }
 210
 211     /**
 212      *
 213      * @author andrew (creation 2010-04-19)
 214      */
 215     @SuppressWarnings("serial")
 216     private final class CursorPositionLabel extends Label implements MouseMotionListener {
 217
 218         @Override
 219         public final void mouseMoved(final MouseEvent event) {
 220             this.updateText(event);
 221         }
 222
 223         @Override
 224         public final void mouseDragged(final MouseEvent event) {
 225             this.updateText(event);
 226         }
 227
 228         /**
 229          *
 230          * @param event
 231          * <br>Should not be null
 232          */
 233         private final void updateText(final MouseEvent event) {
 234             this.setText("(" + event.getX() + ", " +
 235                     (DesertPanel.this.getDrawingBoard().getHeight() - event.getY() - 1) + ")");
 236         }
 237
 238     }
 239
 240     public static final int FRAMERATE = 25;
 241
 242     /**
 243      *
 244      * @param components
 245      * <br> Should not be null
 246      * @return
 247      * <br>A new value
 248      * <br>A non-null value
 249      */
 250     private static final Box horizontalBox(final Component... components) {
 251         final Box result = Box.createHorizontalBox();
 252
 253         for (final Component component : components) {
 254             result.add(component);
 255         }
 256
 257         return result;
 258     }
 259
 260     /**
 261      *
 262      * @param components
 263      * <br> Should not be null
 264      * @return
 265      * <br>A new value
 266      * <br>A non-null value
 267      */
 268     private static final Box verticalBox(final Component... components) {
 269         final Box result = Box.createVerticalBox();
 270
 271         for (final Component component : components) {
 272             result.add(component);
 273         }
 274
 275         return result;
 276     }
 277
 278     /**
 279      *
 280      * @author codistmonk (creation 2010-04-15)
 281      */
 282     @SuppressWarnings("serial")
 283     private static final class FramerateLabel extends Label implements ActionListener {
 284
 285         @Override
 286         public final void actionPerformed(final ActionEvent event) {
 287             this.setText("Framerate: " + String.format("%.1f", 1.0 / ((Timer.Event) event).getDeltaTime()));
 288         }
 289
 290     }
 291
 292     /**
 293      *
 294      * @author andrew
 295      */
 296      private static final class GCThread extends Thread {
 297          int rune;
 298
 299          @Override
 300          public void run() {
 301              rune = 0;
 302              while (rune == 0) {
 303                 try {
 304                      Thread.sleep(2000);
 305                 } catch (Exception e) {
 306                      // nothing
 307                 }
 308                 System.gc();
 309              }
 310          }
 311      }
 312 }