com.badlogic.gdx.scenes.scene2d.actions.SequenceAction.java Source code

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Here is the source code for com.badlogic.gdx.scenes.scene2d.actions.SequenceAction.java

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/*******************************************************************************
 * Copyright 2011 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.scenes.scene2d.actions;

import com.badlogic.gdx.scenes.scene2d.Action;
import com.badlogic.gdx.utils.Pool;

/** Executes a number of actions one at a time.
 * @author Nathan Sweet */
public class SequenceAction extends ParallelAction {
    private int index;

    public SequenceAction() {
    }

    public SequenceAction(Action action1) {
        addAction(action1);
    }

    public SequenceAction(Action action1, Action action2) {
        addAction(action1);
        addAction(action2);
    }

    public SequenceAction(Action action1, Action action2, Action action3) {
        addAction(action1);
        addAction(action2);
        addAction(action3);
    }

    public SequenceAction(Action action1, Action action2, Action action3, Action action4) {
        addAction(action1);
        addAction(action2);
        addAction(action3);
        addAction(action4);
    }

    public SequenceAction(Action action1, Action action2, Action action3, Action action4, Action action5) {
        addAction(action1);
        addAction(action2);
        addAction(action3);
        addAction(action4);
        addAction(action5);
    }

    public boolean act(float delta) {
        if (index >= actions.size)
            return true;
        Pool pool = getPool();
        setPool(null); // Ensure this action can't be returned to the pool while executings.
        try {
            if (actions.get(index).act(delta)) {
                if (actor == null)
                    return true; // This action was removed.
                index++;
                if (index >= actions.size)
                    return true;
            }
            return false;
        } finally {
            setPool(pool);
        }
    }

    public void restart() {
        super.restart();
        index = 0;
    }
}