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package com.jme3.bullet.collision.shapes;
import com.jme3.export.InputCapsule;
import com.jme3.export.JmeExporter;
import com.jme3.export.JmeImporter;
import com.jme3.export.OutputCapsule;
import com.jme3.scene.Mesh;
import com.jme3.scene.VertexBuffer.Type;
import com.jme3.util.BufferUtils;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.util.logging.Level;
import java.util.logging.Logger;
public class HullCollisionShape extends CollisionShape {
private float[] points;
// protected FloatBuffer fbuf;
public HullCollisionShape() {
}
public HullCollisionShape(Mesh mesh) {
this.points = getPoints(mesh);
createShape();
}
public HullCollisionShape(float[] points) {
this.points = points;
createShape();
}
@Override
public void write(JmeExporter ex) throws IOException {
super.write(ex);
OutputCapsule capsule = ex.getCapsule(this);
capsule.write(points, "points", null);
}
@Override
public void read(JmeImporter im) throws IOException {
super.read(im);
InputCapsule capsule = im.getCapsule(this);
// for backwards compatability
Mesh mesh = (Mesh) capsule.readSavable("hullMesh", null);
if (mesh != null) {
this.points = getPoints(mesh);
} else {
this.points = capsule.readFloatArray("points", null);
}
// fbuf = ByteBuffer.allocateDirect(points.length * 4).asFloatBuffer();
// fbuf.put(points);
// fbuf = FloatBuffer.wrap(points).order(ByteOrder.nativeOrder()).asFloatBuffer();
createShape();
}
protected void createShape() {
// ObjectArrayList<Vector3f> pointList = new ObjectArrayList<Vector3f>();
// for (int i = 0; i < points.length; i += 3) {
// pointList.add(new Vector3f(points[i], points[i + 1], points[i + 2]));
// }
// objectId = new ConvexHullShape(pointList);
// objectId.setLocalScaling(Converter.convert(getScale()));
// objectId.setMargin(margin);
ByteBuffer bbuf=BufferUtils.createByteBuffer(points.length * 4);
// fbuf = bbuf.asFloatBuffer();
// fbuf.rewind();
// fbuf.put(points);
for (int i = 0; i < points.length; i++) {
float f = points[i];
bbuf.putFloat(f);
}
bbuf.rewind();
objectId = createShape(bbuf);
Logger.getLogger(this.getClass().getName()).log(Level.INFO, "Created Shape {0}", Long.toHexString(objectId));
setScale(scale);
setMargin(margin);
}
private native long createShape(ByteBuffer points);
protected float[] getPoints(Mesh mesh) {
FloatBuffer vertices = mesh.getFloatBuffer(Type.Position);
vertices.rewind();
int components = mesh.getVertexCount() * 3;
float[] pointsArray = new float[components];
for (int i = 0; i < components; i += 3) {
pointsArray[i] = vertices.get();
pointsArray[i + 1] = vertices.get();
pointsArray[i + 2] = vertices.get();
}
return pointsArray;
}
}
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