/*
* Copyright (c) 2009-2012 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.scene;
import com.jme3.math.Matrix4f;
import com.jme3.math.Transform;
import com.jme3.util.TempVars;
/**
*
* SimpleBatchNode comes with some restrictions, but can yield better performances.
* Geometries to be batched has to be attached directly to the BatchNode
* You can't attach a Node to a SimpleBatchNode
* SimpleBatchNode is recommended when you have a large number of geometries using the same material that does not require a complex scene graph structure.
* @see BatchNode
* @author Nehon
*/
public class SimpleBatchNode extends BatchNode {
public SimpleBatchNode() {
super();
}
public SimpleBatchNode(String name) {
super(name);
}
@Override
public int attachChild(Spatial child) {
if (!(child instanceof Geometry)) {
throw new UnsupportedOperationException("BatchNode is BatchMode.Simple only support child of type Geometry, use BatchMode.Complex to use a complex structure");
}
return super.attachChild(child);
}
@Override
protected void setTransformRefresh() {
refreshFlags |= RF_TRANSFORM;
setBoundRefresh();
for (Batch batch : batches.getArray()) {
batch.geometry.setTransformRefresh();
}
}
private Matrix4f cachedLocalMat = new Matrix4f();
@Override
protected Matrix4f getTransformMatrix(Geometry g){
// Compute the Local matrix for the geometry
cachedLocalMat.loadIdentity();
cachedLocalMat.setRotationQuaternion(g.localTransform.getRotation());
cachedLocalMat.setTranslation(g.localTransform.getTranslation());
TempVars vars = TempVars.get();
Matrix4f scaleMat = vars.tempMat4;
scaleMat.loadIdentity();
scaleMat.scale(g.localTransform.getScale());
cachedLocalMat.multLocal(scaleMat);
vars.release();
return cachedLocalMat;
}
@Override
public void batch() {
doBatch();
}
}