1 files changed, 98 insertions, 0 deletions
diff --git a/engine/src/bullet/com/jme3/bullet/collision/shapes/HullCollisionShape.java b/engine/src/bullet/com/jme3/bullet/collision/shapes/HullCollisionShape.java
new file mode 100644
index 0000000..9be760f
--- /dev/null
+++ b/engine/src/bullet/com/jme3/bullet/collision/shapes/HullCollisionShape.java
@@ -0,0 +1,98 @@
+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;
+    }
+}