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package jme3test.stress;
import com.jme3.animation.AnimChannel;
import com.jme3.animation.AnimControl;
import com.jme3.animation.SkeletonControl;
import com.jme3.app.SimpleApplication;
import com.jme3.bounding.BoundingBox;
import com.jme3.font.BitmapText;
import com.jme3.input.ChaseCamera;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.light.AmbientLight;
import com.jme3.light.DirectionalLight;
import com.jme3.math.ColorRGBA;
import com.jme3.math.FastMath;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.Spatial;
import com.jme3.scene.VertexBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import jme3tools.optimize.LodGenerator;
public class TestLodGeneration extends SimpleApplication {
public static void main(String[] args) {
TestLodGeneration app = new TestLodGeneration();
app.start();
}
boolean wireFrame = false;
float reductionvalue = 0.0f;
private int lodLevel = 0;
private Node model;
private BitmapText hudText;
private List<Geometry> listGeoms = new ArrayList<Geometry>();
private ScheduledThreadPoolExecutor exec = new ScheduledThreadPoolExecutor(5);
private AnimChannel ch;
public void simpleInitApp() {
DirectionalLight dl = new DirectionalLight();
dl.setDirection(new Vector3f(-1, -1, -1).normalizeLocal());
rootNode.addLight(dl);
AmbientLight al = new AmbientLight();
al.setColor(ColorRGBA.White.mult(0.6f));
rootNode.addLight(al);
// model = (Node) assetManager.loadModel("Models/Sinbad/Sinbad.mesh.xml");
model = (Node) assetManager.loadModel("Models/Jaime/Jaime.j3o");
BoundingBox b = ((BoundingBox) model.getWorldBound());
model.setLocalScale(1.2f / (b.getYExtent() * 2));
// model.setLocalTranslation(0,-(b.getCenter().y - b.getYExtent())* model.getLocalScale().y, 0);
for (Spatial spatial : model.getChildren()) {
if (spatial instanceof Geometry) {
listGeoms.add((Geometry) spatial);
}
}
ChaseCamera chaseCam = new ChaseCamera(cam, inputManager);
model.addControl(chaseCam);
chaseCam.setLookAtOffset(b.getCenter());
chaseCam.setDefaultDistance(5);
chaseCam.setMinVerticalRotation(-FastMath.HALF_PI + 0.01f);
chaseCam.setZoomSensitivity(0.5f);
// ch = model.getControl(AnimControl.class).createChannel();
// ch.setAnim("Wave");
SkeletonControl c = model.getControl(SkeletonControl.class);
if (c != null) {
c.setEnabled(false);
}
reductionvalue = 0.80f;
lodLevel = 1;
for (final Geometry geometry : listGeoms) {
LodGenerator lodGenerator = new LodGenerator(geometry);
lodGenerator.bakeLods(LodGenerator.TriangleReductionMethod.PROPORTIONAL, reductionvalue);
geometry.setLodLevel(lodLevel);
}
rootNode.attachChild(model);
flyCam.setEnabled(false);
guiFont = assetManager.loadFont("Interface/Fonts/Default.fnt");
hudText = new BitmapText(guiFont, false);
hudText.setSize(guiFont.getCharSet().getRenderedSize());
hudText.setText(computeNbTri() + " tris");
hudText.setLocalTranslation(cam.getWidth() / 2, hudText.getLineHeight(), 0);
guiNode.attachChild(hudText);
inputManager.addListener(new ActionListener() {
public void onAction(String name, boolean isPressed, float tpf) {
if (isPressed) {
if (name.equals("plus")) {
// lodLevel++;
// for (Geometry geometry : listGeoms) {
// if (geometry.getMesh().getNumLodLevels() <= lodLevel) {
// lodLevel = 0;
// }
// geometry.setLodLevel(lodLevel);
// }
// jaimeText.setText(computeNbTri() + " tris");
reductionvalue += 0.05f;
updateLod();
}
if (name.equals("minus")) {
// lodLevel--;
// for (Geometry geometry : listGeoms) {
// if (lodLevel < 0) {
// lodLevel = geometry.getMesh().getNumLodLevels() - 1;
// }
// geometry.setLodLevel(lodLevel);
// }
// jaimeText.setText(computeNbTri() + " tris");
reductionvalue -= 0.05f;
updateLod();
}
if (name.equals("wireFrame")) {
wireFrame = !wireFrame;
for (Geometry geometry : listGeoms) {
geometry.getMaterial().getAdditionalRenderState().setWireframe(wireFrame);
}
}
}
}
private void updateLod() {
reductionvalue = FastMath.clamp(reductionvalue, 0.0f, 1.0f);
makeLod(LodGenerator.TriangleReductionMethod.PROPORTIONAL, reductionvalue, 1);
}
}, "plus", "minus", "wireFrame");
inputManager.addMapping("plus", new KeyTrigger(KeyInput.KEY_ADD));
inputManager.addMapping("minus", new KeyTrigger(KeyInput.KEY_SUBTRACT));
inputManager.addMapping("wireFrame", new KeyTrigger(KeyInput.KEY_SPACE));
}
@Override
public void simpleUpdate(float tpf) {
// model.rotate(0, tpf, 0);
}
private int computeNbTri() {
int nbTri = 0;
for (Geometry geometry : listGeoms) {
if (geometry.getMesh().getNumLodLevels() > 0) {
nbTri += geometry.getMesh().getLodLevel(lodLevel).getNumElements();
} else {
nbTri += geometry.getMesh().getTriangleCount();
}
}
return nbTri;
}
@Override
public void destroy() {
super.destroy();
exec.shutdown();
}
private void makeLod(final LodGenerator.TriangleReductionMethod method, final float value, final int ll) {
exec.execute(new Runnable() {
public void run() {
for (final Geometry geometry : listGeoms) {
LodGenerator lODGenerator = new LodGenerator(geometry);
final VertexBuffer[] lods = lODGenerator.computeLods(method, value);
enqueue(new Callable<Void>() {
public Void call() throws Exception {
geometry.getMesh().setLodLevels(lods);
lodLevel = 0;
if (geometry.getMesh().getNumLodLevels() > ll) {
lodLevel = ll;
}
geometry.setLodLevel(lodLevel);
hudText.setText(computeNbTri() + " tris");
return null;
}
});
}
}
});
}
}