1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package com.jme3.bullet.collision.shapes; 33 34 import com.jme3.export.*; 35 import com.jme3.math.Vector3f; 36 import java.io.IOException; 37 import java.util.logging.Level; 38 import java.util.logging.Logger; 39 40 /** 41 * This Object holds information about a jbullet CollisionShape to be able to reuse 42 * CollisionShapes (as suggested in bullet manuals) 43 * TODO: add static methods to create shapes from nodes (like jbullet-jme constructor) 44 * @author normenhansen 45 */ 46 public abstract class CollisionShape implements Savable { 47 48 protected long objectId = 0; 49 protected Vector3f scale = new Vector3f(1, 1, 1); 50 protected float margin = 0.0f; 51 CollisionShape()52 public CollisionShape() { 53 } 54 55 // /** 56 // * used internally, not safe 57 // */ 58 // public void calculateLocalInertia(long objectId, float mass) { 59 // if (this.objectId == 0) { 60 // return; 61 // } 62 //// if (this instanceof MeshCollisionShape) { 63 //// vector.set(0, 0, 0); 64 //// } else { 65 // calculateLocalInertia(objectId, this.objectId, mass); 66 //// objectId.calculateLocalInertia(mass, vector); 67 //// } 68 // } 69 // 70 // private native void calculateLocalInertia(long objectId, long shapeId, float mass); 71 72 /** 73 * used internally 74 */ getObjectId()75 public long getObjectId() { 76 return objectId; 77 } 78 79 /** 80 * used internally 81 */ setObjectId(long id)82 public void setObjectId(long id) { 83 this.objectId = id; 84 } 85 setScale(Vector3f scale)86 public void setScale(Vector3f scale) { 87 this.scale.set(scale); 88 setLocalScaling(objectId, scale); 89 } 90 getScale()91 public Vector3f getScale() { 92 return scale; 93 } 94 getMargin()95 public float getMargin() { 96 return getMargin(objectId); 97 } 98 getMargin(long objectId)99 private native float getMargin(long objectId); 100 setMargin(float margin)101 public void setMargin(float margin) { 102 setMargin(objectId, margin); 103 this.margin = margin; 104 } 105 setLocalScaling(long obectId, Vector3f scale)106 private native void setLocalScaling(long obectId, Vector3f scale); 107 setMargin(long objectId, float margin)108 private native void setMargin(long objectId, float margin); 109 write(JmeExporter ex)110 public void write(JmeExporter ex) throws IOException { 111 OutputCapsule capsule = ex.getCapsule(this); 112 capsule.write(scale, "scale", new Vector3f(1, 1, 1)); 113 capsule.write(getMargin(), "margin", 0.0f); 114 } 115 read(JmeImporter im)116 public void read(JmeImporter im) throws IOException { 117 InputCapsule capsule = im.getCapsule(this); 118 this.scale = (Vector3f) capsule.readSavable("scale", new Vector3f(1, 1, 1)); 119 this.margin = capsule.readFloat("margin", 0.0f); 120 } 121 122 @Override finalize()123 protected void finalize() throws Throwable { 124 super.finalize(); 125 Logger.getLogger(this.getClass().getName()).log(Level.INFO, "Finalizing CollisionShape {0}", Long.toHexString(objectId)); 126 finalizeNative(objectId); 127 } 128 finalizeNative(long objectId)129 private native void finalizeNative(long objectId); 130 } 131