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.utils.Pool; 21 22 /** Executes a number of actions one at a time. 23 * @author Nathan Sweet */ 24 public class SequenceAction extends ParallelAction { 25 private int index; 26 27 public SequenceAction () { 28 } 29 30 public SequenceAction (Action action1) { 31 addAction(action1); 32 } 33 34 public SequenceAction (Action action1, Action action2) { 35 addAction(action1); 36 addAction(action2); 37 } 38 39 public SequenceAction (Action action1, Action action2, Action action3) { 40 addAction(action1); 41 addAction(action2); 42 addAction(action3); 43 } 44 45 public SequenceAction (Action action1, Action action2, Action action3, Action action4) { 46 addAction(action1); 47 addAction(action2); 48 addAction(action3); 49 addAction(action4); 50 } 51 52 public SequenceAction (Action action1, Action action2, Action action3, Action action4, Action action5) { 53 addAction(action1); 54 addAction(action2); 55 addAction(action3); 56 addAction(action4); 57 addAction(action5); 58 } 59 60 public boolean act (float delta) { 61 if (index >= actions.size) return true; 62 Pool pool = getPool(); 63 setPool(null); // Ensure this action can't be returned to the pool while executings. 64 try { 65 if (actions.get(index).act(delta)) { 66 if (actor == null) return true; // This action was removed. 67 index++; 68 if (index >= actions.size) return true; 69 } 70 return false; 71 } finally { 72 setPool(pool); 73 } 74 } 75 76 public void restart () { 77 super.restart(); 78 index = 0; 79 } 80 } 81
