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GeometryBatchFactory now retain original Lod informations thanks to Rickard

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see post : http://jmonkeyengine.org/groups/contribution-depot-jme3/forum/topic/lods-for-geometrybatchfactory/

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7579 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
rem..om 2011-06-11 08:49:37 +00:00
parent f42b7e8f83
commit 3f707fb44a
2 changed files with 242 additions and 79 deletions
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90
engine/src/test/jme3test/stress/TestBatchLod.java Normal file
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@ -0,0 +1,90 @@
/*
* Copyright (c) 2009-2010 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 jme3test.stress;
import com.jme3.app.SimpleApplication;
import com.jme3.input.KeyInput;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.control.LodControl;
import jme3tools.optimize.GeometryBatchFactory;
public class TestBatchLod extends SimpleApplication {
private boolean lod = false;
public static void main(String[] args) {
TestBatchLod app = new TestBatchLod();
app.start();
}
public void simpleInitApp() {
// inputManager.registerKeyBinding("USELOD", KeyInput.KEY_L);
DirectionalLight dl = new DirectionalLight();
dl.setDirection(new Vector3f(-1, -1, -1).normalizeLocal());
rootNode.addLight(dl);
Node teapotNode = (Node) assetManager.loadModel("Models/Teapot/Teapot.mesh.xml");
Geometry teapot = (Geometry) teapotNode.getChild(0);
Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
mat.setFloat("Shininess", 16f);
mat.setBoolean("VertexLighting", true);
teapot.setMaterial(mat);
// show normals as material
//Material mat = new Material(assetManager, "Common/MatDefs/Misc/ShowNormals.j3md");
flyCam.setMoveSpeed(5);
for (int y = -5; y < 5; y++) {
for (int x = -5; x < 5; x++) {
Geometry clonePot = teapot.clone();
//clonePot.setMaterial(mat);
clonePot.setLocalTranslation(x * .5f, 0, y * .5f);
clonePot.setLocalScale(.15f);
clonePot.setMaterial(mat);
rootNode.attachChild(clonePot);
}
}
GeometryBatchFactory.optimize(rootNode, true);
LodControl control = new LodControl();
rootNode.getChild(0).addControl(control);
cam.setLocation(new Vector3f(-1.0748308f, 1.35778f, -1.5380064f));
cam.setRotation(new Quaternion(0.18343268f, 0.34531063f, -0.069015436f, 0.9177962f));
}
}

93
engine/src/tools/jme3tools/optimize/GeometryBatchFactory.java
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@ -1,8 +1,6 @@
package jme3tools.optimize;
import com.jme3.font.BitmapText;
import com.jme3.material.Material;
import com.jme3.math.FastMath;
import com.jme3.math.Matrix4f;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
@ -17,10 +15,11 @@ import com.jme3.scene.VertexBuffer.Usage;
import com.jme3.scene.mesh.IndexBuffer;
import com.jme3.scene.mesh.VirtualIndexBuffer;
import com.jme3.scene.mesh.WrappedIndexBuffer;
import com.jme3.scene.shape.Quad;
import com.jme3.util.BufferUtils;
import com.jme3.util.IntMap.Entry;
import java.nio.Buffer;
import java.nio.FloatBuffer;
import java.nio.ShortBuffer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
@ -138,8 +137,9 @@ public class GeometryBatchFactory {
// generate output buffers based on retrieved info
for (int i = 0; i < compsForBuf.length; i++) {
if (compsForBuf[i] == 0)
if (compsForBuf[i] == 0) {
continue;
}
Buffer data;
if (i == Type.Index.ordinal()) {
@ -168,8 +168,9 @@ public class GeometryBatchFactory {
VertexBuffer inBuf = inMesh.getBuffer(Type.values()[bufType]);
VertexBuffer outBuf = outMesh.getBuffer(Type.values()[bufType]);
if (outBuf == null)
if (outBuf == null) {
continue;
}
if (Type.Index.ordinal() == bufType) {
int components = compsForBuf[bufType];
@ -209,13 +210,66 @@ public class GeometryBatchFactory {
}
}
public static void makeLods(Collection<Geometry> geometries, Mesh outMesh) {
int lodLevels = 0;
int[] lodSize = null;
int index = 0;
for (Geometry g : geometries) {
if (lodLevels == 0) {
lodLevels = g.getMesh().getNumLodLevels();
}
if (lodSize == null) {
lodSize = new int[lodLevels];
}
for (int i = 0; i < lodLevels; i++) {
lodSize[i] += g.getMesh().getLodLevel(i).getData().capacity();
//if( i == 0) System.out.println(index + " " +lodSize[i]);
}
index++;
}
int[][] lodData = new int[lodLevels][];
for (int i = 0; i < lodLevels; i++) {
lodData[i] = new int[lodSize[i]];
}
VertexBuffer[] lods = new VertexBuffer[lodLevels];
int bufferPos[] = new int[lodLevels];
//int index = 0;
int numOfVertices = 0;
int curGeom = 0;
for (Geometry g : geometries) {
if (numOfVertices == 0) {
numOfVertices = g.getVertexCount();
}
for (int i = 0; i < lodLevels; i++) {
ShortBuffer buffer = (ShortBuffer) g.getMesh().getLodLevel(i).getData();
buffer.rewind();
//System.out.println("buffer: " + buffer.capacity() + " limit: " + lodSize[i] + " " + index);
for (int j = 0; j < buffer.capacity(); j++) {
lodData[i][bufferPos[i] + j] = buffer.get() + numOfVertices * curGeom;
//bufferPos[i]++;
}
bufferPos[i] += buffer.capacity();
}
curGeom++;
}
for (int i = 0; i < lodLevels; i++) {
lods[i] = new VertexBuffer(Type.Index);
lods[i].setupData(Usage.Dynamic, 1, Format.UnsignedInt, BufferUtils.createIntBuffer(lodData[i]));
}
System.out.println(lods.length);
outMesh.setLodLevels(lods);
}
public static List<Geometry> makeBatches(Collection<Geometry> geometries) {
return makeBatches(geometries, false);
}
/**
* Batches a collection of Geometries so that all with the same material get combined.
* @param geometries The Geometries to combine
* @return A List of newly created Geometries, each with a distinct material
*/
public static List<Geometry> makeBatches(Collection<Geometry> geometries){
public static List<Geometry> makeBatches(Collection<Geometry> geometries, boolean useLods) {
ArrayList<Geometry> retVal = new ArrayList<Geometry>();
HashMap<Material, List<Geometry>> matToGeom = new HashMap<Material, List<Geometry>>();
@ -234,6 +288,10 @@ public class GeometryBatchFactory {
List<Geometry> geomsForMat = entry.getValue();
Mesh mesh = new Mesh();
mergeGeometries(geomsForMat, mesh);
// lods
if (useLods) {
makeLods(geomsForMat, mesh);
}
mesh.updateCounts();
mesh.updateBound();
@ -263,11 +321,24 @@ public class GeometryBatchFactory {
* @param scene The scene to optimize
* @return The newly created optimized geometries attached to a node
*/
public static Node optimize(Node scene){
public static Spatial optimize(Node scene) {
return optimize(scene, false);
}
/**
* Optimizes a scene by combining Geometry with the same material.
* All Geometries found in the scene are detached from their parent and
* a new Node containing the optimized Geometries is attached.
* @param scene The scene to optimize
* @param useLods true if you want the resulting geometry to keep lod information
* @return The newly created optimized geometries attached to a node
*/
public static Node optimize(Node scene, boolean useLods) {
ArrayList<Geometry> geoms = new ArrayList<Geometry>();
gatherGeoms(scene, geoms);
List<Geometry> batchedGeoms = makeBatches(geoms);
List<Geometry> batchedGeoms = makeBatches(geoms, useLods);
for (Geometry geom : batchedGeoms) {
scene.attachChild(geom);
}
@ -283,8 +354,9 @@ public class GeometryBatchFactory {
public static void printMesh(Mesh mesh) {
for (int bufType = 0; bufType < Type.values().length; bufType++) {
VertexBuffer outBuf = mesh.getBuffer(Type.values()[bufType]);
if (outBuf == null)
if (outBuf == null) {
continue;
}
System.out.println(outBuf.getBufferType() + ": ");
for (int vert = 0; vert < outBuf.getNumElements(); vert++) {
@ -294,9 +366,10 @@ public class GeometryBatchFactory {
outBuf.setElementComponent(vert, comp, val);
val = outBuf.getElementComponent(vert, comp);
str += val;
if (comp != outBuf.getNumComponents()-1)
if (comp != outBuf.getNumComponents() - 1) {
str += ", ";
}
}
str += "]";
System.out.println(str);
}