com.badlogic.gdx.ai.btree.LeafTask.java Source code

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Here is the source code for com.badlogic.gdx.ai.btree.LeafTask.java

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/*******************************************************************************
 * 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 com.badlogic.gdx.ai.btree;

/** A {@code LeafTask} is a terminal task of a behavior tree, contains action or condition logic, can not have any child.
 * 
 * @param <E> type of the blackboard object that tasks use to read or modify game state
 * 
 * @author implicit-invocation
 * @author davebaol */
public abstract class LeafTask<E> extends Task<E> {

    @Override
    public void addChild(Task<E> child) {
        // Should we throw an UnsupportedOperationException ?
        // throw new UnsupportedOperationException("A leaf task can not have any child");
    }

    @Override
    public int getChildCount() {
        return 0;
    }

    @Override
    public Task<E> getChild(int i) {
        throw new ArrayIndexOutOfBoundsException("A leaf task can not have any child");
    }

    @Override
    public final void childRunning(Task<E> runningTask, Task<E> reporter) {
    }

    @Override
    public final void childFail(Task<E> runningTask) {
    }

    @Override
    public final void childSuccess(Task<E> runningTask) {
    }

}