1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 ******************************************************************************/ 16 17 package com.badlogic.gdx.scenes.scene2d.actions; 18 19 import com.badlogic.gdx.scenes.scene2d.Action; 20 import com.badlogic.gdx.scenes.scene2d.Actor; 21 import com.badlogic.gdx.utils.Array; 22 23 /** Executes an action only after all other actions on the actor at the time this action's target was set have finished. 24 * @author Nathan Sweet */ 25 public class AfterAction extends DelegateAction { 26 private Array<Action> waitForActions = new Array(false, 4); 27 28 public void setTarget (Actor target) { 29 if (target != null) waitForActions.addAll(target.getActions()); 30 super.setTarget(target); 31 } 32 33 public void restart () { 34 super.restart(); 35 waitForActions.clear(); 36 } 37 38 protected boolean delegate (float delta) { 39 Array<Action> currentActions = target.getActions(); 40 if (currentActions.size == 1) waitForActions.clear(); 41 for (int i = waitForActions.size - 1; i >= 0; i--) { 42 Action action = waitForActions.get(i); 43 int index = currentActions.indexOf(action, true); 44 if (index == -1) waitForActions.removeIndex(i); 45 } 46 if (waitForActions.size > 0) return false; 47 return action.act(delta); 48 } 49 } 50
