Package com.badlogic.gdx.scenes.scene2d.actions

Source Code of com.badlogic.gdx.scenes.scene2d.actions.Parallel

/*******************************************************************************
* 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.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.CompositeAction;

public class Parallel extends CompositeAction {

  static final ActionResetingPool<Parallel> pool = new ActionResetingPool<Parallel>(4, 100) {
    @Override
    protected Parallel newObject () {
      return new Parallel();
    }
  };

  protected boolean[] finished;
  protected Actor target = null;

  public static Parallel $ (Action... actions) {
    Parallel parallel = pool.obtain();
    parallel.actions.clear();
    if (parallel.finished == null || parallel.finished.length < actions.length)
      parallel.finished = new boolean[actions.length];
    int len = actions.length;
    for (int i = 0; i < len; i++)
      parallel.finished[i] = false;
    len = actions.length;
    for (int i = 0; i < len; i++)
      parallel.actions.add(actions[i]);
    return parallel;
  }

  @Override
  public void setTarget (Actor actor) {
    this.target = actor;
    int len = actions.size();
    for (int i = 0; i < len; i++)
      actions.get(i).setTarget(actor);
  }

  @Override
  public void act (float delta) {
    int len = actions.size();
    boolean allDone = true;
    Action action;
    for (int i = 0; i < len; i++) {
      action = actions.get(i);
      if (!action.isDone()) {
        action.act(delta);
        allDone = false;
      } else {
        if (!finished[i]) {
          action.finish();
          finished[i] = true;
          allDone &= finished[i];
        }
      }
    }
    if (allDone) callActionCompletedListener();
  }

  @Override
  public boolean isDone () {
    int len = actions.size();
    for (int i = 0; i < len; i++)
      if (actions.get(i).isDone() == false) return false;
    return true;
  }

  @Override
  public void finish () {
    pool.free(this);
    int len = actions.size();
    for (int i = 0; i < len; i++) {
      if (!finished[i]) actions.get(i).finish();
    }
    super.finish();
  }

  @Override
  public Action copy () {
    Parallel parallel = pool.obtain();
    parallel.actions.clear();
    if (parallel.finished == null || parallel.finished.length < actions.size())
      parallel.finished = new boolean[actions.size()];
    int len = actions.size();
    for (int i = 0; i < len; i++)
      parallel.finished[i] = false;
    len = actions.size();
    for (int i = 0; i < len; i++)
      parallel.actions.add(actions.get(i).copy());
    return parallel;
  }

  @Override
  public Actor getTarget () {
    return target;
  }
}
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