/*
 * Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
 *
 * Bullet Continuous Collision Detection and Physics Library
 * Copyright (c) 2003-2008 Erwin Coumans  http://www.bulletphysics.com/
 *
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from
 * the use of this software.
 * 
 * Permission is granted to anyone to use this software for any purpose, 
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

package com.bulletphysics.collision.dispatch;

import com.bulletphysics.collision.broadphase.CollisionAlgorithm;
import com.bulletphysics.collision.broadphase.CollisionAlgorithmConstructionInfo;
import com.bulletphysics.collision.broadphase.DispatcherInfo;
import com.bulletphysics.collision.narrowphase.PersistentManifold;
import com.bulletphysics.util.ObjectArrayList;

/**
 * Empty algorithm, used as fallback when no collision algorithm is found for given
 * shape type pair.
 * 
 * @author jezek2
 */
public class EmptyAlgorithm extends CollisionAlgorithm {
	
	private static final EmptyAlgorithm INSTANCE = new EmptyAlgorithm();

	@Override
	public void destroy() {
	}

	@Override
	public void processCollision(CollisionObject body0, CollisionObject body1, DispatcherInfo dispatchInfo, ManifoldResult resultOut) {
	}

	@Override
	public float calculateTimeOfImpact(CollisionObject body0, CollisionObject body1, DispatcherInfo dispatchInfo, ManifoldResult resultOut) {
		return 1f;
	}

	@Override
	public void getAllContactManifolds(ObjectArrayList<PersistentManifold> manifoldArray) {
	}
	
	////////////////////////////////////////////////////////////////////////////
	
	public static class CreateFunc extends CollisionAlgorithmCreateFunc {
		@Override
		public CollisionAlgorithm createCollisionAlgorithm(CollisionAlgorithmConstructionInfo ci, CollisionObject body0, CollisionObject body1) {
			return INSTANCE;
		}

		@Override
		public void releaseCollisionAlgorithm(CollisionAlgorithm algo) {
		}
	};

}