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 *   may be used to endorse or promote products derived from this software
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package jme3test.bullet;

import com.jme3.app.Application;
import com.jme3.app.SimpleApplication;
import com.jme3.bullet.BulletAppState;
import com.jme3.bullet.PhysicsSpace;
import com.jme3.bullet.PhysicsTickListener;
import com.jme3.bullet.collision.shapes.CollisionShape;
import com.jme3.bullet.collision.shapes.SphereCollisionShape;
import com.jme3.bullet.objects.PhysicsRigidBody;

/**
 * Test case for JME issue #1058: native Bullet crash while removing a rigid
 * body from a BroadphaseType.SIMPLE PhysicsSpace.
 * <p>
 * If successful, the app will complete normally.
 *
 * @author Stephen Gold sgold@sonic.net
 */
public class TestIssue1058
        extends SimpleApplication
        implements PhysicsTickListener {

    private volatile boolean hasStepped = false;
    private PhysicsRigidBody body1;
    private PhysicsRigidBody body2;
    private PhysicsSpace physicsSpace;

    public static void main(String[] arguments) {
        Application application = new TestIssue1058();
        application.start();
    }

    @Override
    public void simpleInitApp() {
        BulletAppState bulletAppState = new BulletAppState();
        bulletAppState.setBroadphaseType(PhysicsSpace.BroadphaseType.SIMPLE);
        stateManager.attach(bulletAppState);

        physicsSpace = bulletAppState.getPhysicsSpace();
        physicsSpace.addTickListener(this);

        CollisionShape shape = new SphereCollisionShape(1f);

        body1 = new PhysicsRigidBody(shape, 1f);
        physicsSpace.add(body1);

        body2 = new PhysicsRigidBody(shape, 2f);
        physicsSpace.add(body2);
    }

    @Override
    public void simpleUpdate(float tpf) {
        super.simpleUpdate(tpf);
        if (hasStepped) {
            physicsSpace.remove(body1); // native Bullet crash occurs here
            physicsSpace = null;
            stop();
        }
    }

    @Override
    public void prePhysicsTick(PhysicsSpace space, float tpf) {
        // do nothing
    }

    @Override
    public void physicsTick(PhysicsSpace space, float tpf) {
        hasStepped = true;
    }
}
