/*******************************************************************************
 * Copyright 2014 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package wow.doge.mygame.game.subsystems.ai.gdx;

import wow.doge.mygame.game.subsystems.ai.gdx.Graph;

/**
 * A graph for the {@link IndexedAStarPathFinder}.
 * 
 * @param <N> Type of node
 * 
 * @author davebaol
 */
public interface MyIndexedGraph<N> extends Graph<N> {

	/**
	 * Returns the unique index of the given node.
	 * 
	 * @param node the node whose index will be returned
	 * @return the unique index of the given node.
	 */
	public int getIndex(N node);

	/** Returns the number of nodes in this graph. */
	public int getNodeCount();

}