org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/animation/AnimationSystem.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.proconf.g3d.animation;\r
  12 \r
  13 import java.util.ArrayList;\r
  14 import java.util.List;\r
  15 \r
  16 import org.simantics.db.Graph;\r
  17 import org.simantics.proconf.g3d.base.ScenegraphAdapter;\r
  18 \r
  19 \r
  20 public class AnimationSystem {\r
  21         private ScenegraphAdapter adapter;\r
  22         private List<AnimationController> animationControllers = new ArrayList<AnimationController>();\r
  23     \r
  24         private List<AnimationSystemListener> listeners = new ArrayList<AnimationSystemListener>();\r
  25         \r
  26         private boolean pause = false;\r
  27         \r
  28         public AnimationSystem(ScenegraphAdapter adapter) {\r
  29                 if (adapter == null)\r
  30                         throw new IllegalArgumentException("ScenegraphAdapter must not be null");\r
  31                 this.adapter = adapter;\r
  32         }\r
  33         \r
  34         public void add(AnimationController controller) {\r
  35                 animationControllers.add(controller);\r
  36                 for (AnimationSystemListener l : listeners)\r
  37                 l.animationAdded(this, controller);\r
  38         }\r
  39         \r
  40         public void addListener(AnimationSystemListener l) {\r
  41                 listeners.add(l);\r
  42         }\r
  43         \r
  44         public void removeListener(AnimationSystemListener l) {\r
  45                 listeners.remove(l);\r
  46         }\r
  47         \r
  48         public boolean isRunning() {\r
  49                 return animationControllers.size() > 0;\r
  50         }\r
  51         \r
  52         public void pause() {\r
  53                 if (pause)\r
  54                         return;\r
  55                 pause = true;\r
  56                 for (AnimationSystemListener l : listeners)\r
  57                 l.animationPaused(this);\r
  58         }\r
  59         \r
  60         public void play() {\r
  61                 if(!pause)\r
  62                         return;\r
  63                 pause = false;\r
  64                 for (AnimationSystemListener l : listeners)\r
  65                 l.animationPlay(this);\r
  66         }\r
  67         \r
  68         public void stop() {\r
  69                 for (AnimationController c : animationControllers)\r
  70                 c.dispose();\r
  71         animationControllers.clear();\r
  72         for (AnimationSystemListener l : listeners)\r
  73                 l.animationStopped(this);\r
  74         }\r
  75         \r
  76         public boolean isPause() {\r
  77                 return pause;\r
  78         }\r
  79         \r
  80         public void run(Graph graph, double frameTime) {\r
  81                 if (pause)\r
  82                         return;\r
  83                  if (animationControllers.size() > 0) {\r
  84                 for (AnimationController c : animationControllers)\r
  85                                 c.updateAnimation(graph, frameTime);\r
  86                         adapter.setChanged(true);\r
  87              }\r
  88         }\r
  89         \r
  90         public List<AnimationController> getAnimationControllers() {\r
  91                 return animationControllers;\r
  92         }\r
  93         \r
  94 }\r