Stephen Gold
6 years ago
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/* |
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* Copyright (c) 2018 jMonkeyEngine |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* * Neither the name of 'jMonkeyEngine' nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package jme3test.bullet; |
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|
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import com.jme3.app.SimpleApplication; |
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import com.jme3.asset.AssetNotFoundException; |
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import com.jme3.asset.ModelKey; |
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import com.jme3.asset.plugins.FileLocator; |
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import com.jme3.bullet.collision.shapes.CollisionShape; |
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import com.jme3.bullet.collision.shapes.SphereCollisionShape; |
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import com.jme3.bullet.control.RigidBodyControl; |
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import com.jme3.bullet.objects.PhysicsRigidBody; |
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import com.jme3.export.JmeExporter; |
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import com.jme3.export.binary.BinaryExporter; |
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import com.jme3.math.Matrix3f; |
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import com.jme3.math.Vector3f; |
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import com.jme3.scene.Node; |
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import com.jme3.scene.Spatial; |
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import com.jme3.scene.control.Control; |
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import java.io.File; |
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import java.io.IOException; |
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/** |
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* Test case for JME issue #970: RigidBodyControl doesn't read/write velocities. |
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* |
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* If successful, no AssertionError will be thrown. |
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* |
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* @author Stephen Gold sgold@sonic.net |
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*/ |
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public class TestIssue970 extends SimpleApplication { |
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private int fileIndex = 0; |
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public static void main(String[] args) { |
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TestIssue970 app = new TestIssue970(); |
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app.start(); |
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} |
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@Override |
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public void simpleInitApp() { |
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assetManager.registerLocator(".", FileLocator.class); |
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CollisionShape shape = new SphereCollisionShape(1f); |
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RigidBodyControl rbc = new RigidBodyControl(shape, 1f); |
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setParameters(rbc); |
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verifyParameters(rbc); |
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RigidBodyControl rbcCopy = (RigidBodyControl) saveThenLoad(rbc); |
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verifyParameters(rbcCopy); |
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stop(); |
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} |
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/** |
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* Clone a body that implements Control by saving and then loading it. |
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* |
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* @param sgc the body/control to copy (not null, unaffected) |
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* @return a new body/control |
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*/ |
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private PhysicsRigidBody saveThenLoad(PhysicsRigidBody body) { |
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Control sgc = (Control) body; |
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Node savedNode = new Node(); |
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/* |
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* Add the Control to the Node without altering its physics transform. |
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*/ |
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Vector3f pl = body.getPhysicsLocation(null); |
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Matrix3f pr = body.getPhysicsRotationMatrix(null); |
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savedNode.addControl(sgc); |
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body.setPhysicsLocation(pl); |
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body.setPhysicsRotation(pr); |
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String fileName = String.format("tmp%d.j3o", ++fileIndex); |
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File file = new File(fileName); |
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JmeExporter exporter = BinaryExporter.getInstance(); |
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try { |
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exporter.save(savedNode, file); |
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} catch (IOException exception) { |
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assert false; |
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} |
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ModelKey key = new ModelKey(fileName); |
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Spatial loadedNode = new Node(); |
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try { |
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loadedNode = assetManager.loadAsset(key); |
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} catch (AssetNotFoundException e) { |
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assert false; |
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} |
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file.delete(); |
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Control loadedSgc = loadedNode.getControl(0); |
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return (PhysicsRigidBody) loadedSgc; |
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} |
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private void setParameters(PhysicsRigidBody body) { |
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body.setAngularVelocity(new Vector3f(0.04f, 0.05f, 0.06f)); |
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body.setLinearVelocity(new Vector3f(0.26f, 0.27f, 0.28f)); |
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} |
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private void verifyParameters(PhysicsRigidBody body) { |
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Vector3f w = body.getAngularVelocity(); |
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assert w.x == 0.04f : w; |
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assert w.y == 0.05f : w; |
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assert w.z == 0.06f : w; |
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Vector3f v = body.getLinearVelocity(); |
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assert v.x == 0.26f : v; |
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assert v.y == 0.27f : v; |
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assert v.z == 0.28f : v; |
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} |
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} |
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