1cfd74d65d832137e20e193c960802afba73b5d38sm/* 23c1e67e433728684b5f228c5d4f3e5b1457bb271sm * Copyright (C) 2010 The Android Open Source Project 3cfd74d65d832137e20e193c960802afba73b5d38sm * 4cfd74d65d832137e20e193c960802afba73b5d38sm * Licensed under the Apache License, Version 2.0 (the "License"); 5cfd74d65d832137e20e193c960802afba73b5d38sm * you may not use this file except in compliance with the License. 6cfd74d65d832137e20e193c960802afba73b5d38sm * You may obtain a copy of the License at 7cfd74d65d832137e20e193c960802afba73b5d38sm * 8cfd74d65d832137e20e193c960802afba73b5d38sm * http://www.apache.org/licenses/LICENSE-2.0 9cfd74d65d832137e20e193c960802afba73b5d38sm * 10cfd74d65d832137e20e193c960802afba73b5d38sm * Unless required by applicable law or agreed to in writing, software 11cfd74d65d832137e20e193c960802afba73b5d38sm * distributed under the License is distributed on an "AS IS" BASIS, 12cfd74d65d832137e20e193c960802afba73b5d38sm * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cfd74d65d832137e20e193c960802afba73b5d38sm * See the License for the specific language governing permissions and 14cfd74d65d832137e20e193c960802afba73b5d38sm * limitations under the License. 15cfd74d65d832137e20e193c960802afba73b5d38sm */ 16cfd74d65d832137e20e193c960802afba73b5d38sm 17cfd74d65d832137e20e193c960802afba73b5d38smpackage com.replica.replicaisland; 18cfd74d65d832137e20e193c960802afba73b5d38sm 19cfd74d65d832137e20e193c960802afba73b5d38sm/** 20cfd74d65d832137e20e193c960802afba73b5d38sm * A game component that can swap other components in and out of its parent game object. The 21cfd74d65d832137e20e193c960802afba73b5d38sm * purpose of the ChangeComponentsComponent is to allow game objects to have different "modes" 22cfd74d65d832137e20e193c960802afba73b5d38sm * defined by different combinations of GameComponents. ChangeComponentsComponent manages the 23cfd74d65d832137e20e193c960802afba73b5d38sm * switching in and out of those modes by activating and deactivating specific game components. 24cfd74d65d832137e20e193c960802afba73b5d38sm */ 25cfd74d65d832137e20e193c960802afba73b5d38smpublic class ChangeComponentsComponent extends GameComponent { 26cfd74d65d832137e20e193c960802afba73b5d38sm private final static int MAX_COMPONENT_SWAPS = 16; 27cfd74d65d832137e20e193c960802afba73b5d38sm private FixedSizeArray<GameComponent> mComponentsToInsert; 28cfd74d65d832137e20e193c960802afba73b5d38sm private FixedSizeArray<GameComponent> mComponentsToRemove; 29cfd74d65d832137e20e193c960802afba73b5d38sm private boolean mPingPong; 30cfd74d65d832137e20e193c960802afba73b5d38sm private boolean mActivated; 31cfd74d65d832137e20e193c960802afba73b5d38sm private boolean mCurrentlySwapped; 32cfd74d65d832137e20e193c960802afba73b5d38sm private GameObject.ActionType mSwapOnAction; 33cfd74d65d832137e20e193c960802afba73b5d38sm private GameObject.ActionType mLastAction; 34cfd74d65d832137e20e193c960802afba73b5d38sm 35cfd74d65d832137e20e193c960802afba73b5d38sm public ChangeComponentsComponent() { 36cfd74d65d832137e20e193c960802afba73b5d38sm super(); 37cfd74d65d832137e20e193c960802afba73b5d38sm 38cfd74d65d832137e20e193c960802afba73b5d38sm mComponentsToInsert = new FixedSizeArray<GameComponent>(MAX_COMPONENT_SWAPS); 39cfd74d65d832137e20e193c960802afba73b5d38sm mComponentsToRemove = new FixedSizeArray<GameComponent>(MAX_COMPONENT_SWAPS); 40cfd74d65d832137e20e193c960802afba73b5d38sm 41cfd74d65d832137e20e193c960802afba73b5d38sm reset(); 42cfd74d65d832137e20e193c960802afba73b5d38sm } 43cfd74d65d832137e20e193c960802afba73b5d38sm 44cfd74d65d832137e20e193c960802afba73b5d38sm @Override 45cfd74d65d832137e20e193c960802afba73b5d38sm public void reset() { 46cfd74d65d832137e20e193c960802afba73b5d38sm 47cfd74d65d832137e20e193c960802afba73b5d38sm GameObjectFactory factory = sSystemRegistry.gameObjectFactory; 48cfd74d65d832137e20e193c960802afba73b5d38sm // GameComponents hanging out in the mComponentsToInsert list are not part of the object 49cfd74d65d832137e20e193c960802afba73b5d38sm // hierarchy, so we need to manually release them. 50cfd74d65d832137e20e193c960802afba73b5d38sm if (factory != null) { 51cfd74d65d832137e20e193c960802afba73b5d38sm FixedSizeArray<GameComponent> unrelasedComponents = mComponentsToInsert; 52cfd74d65d832137e20e193c960802afba73b5d38sm if (mActivated) { 53cfd74d65d832137e20e193c960802afba73b5d38sm if (!mPingPong) { 54cfd74d65d832137e20e193c960802afba73b5d38sm // if we've activated and are not set to ping pong, the contents of 55cfd74d65d832137e20e193c960802afba73b5d38sm // mComponentsToInsert have already been inserted into the object and 56cfd74d65d832137e20e193c960802afba73b5d38sm // will be cleaned up with all the other of the object's components. 57cfd74d65d832137e20e193c960802afba73b5d38sm // In that case, mComponentsToRemove contains objects that need manual 58cfd74d65d832137e20e193c960802afba73b5d38sm // clean up. 59cfd74d65d832137e20e193c960802afba73b5d38sm unrelasedComponents = mComponentsToRemove; 60cfd74d65d832137e20e193c960802afba73b5d38sm } 61cfd74d65d832137e20e193c960802afba73b5d38sm } 62cfd74d65d832137e20e193c960802afba73b5d38sm final int inactiveComponentCount = unrelasedComponents.getCount(); 63cfd74d65d832137e20e193c960802afba73b5d38sm for (int x = 0; x < inactiveComponentCount; x++) { 64cfd74d65d832137e20e193c960802afba73b5d38sm GameComponent component = unrelasedComponents.get(x); 65cfd74d65d832137e20e193c960802afba73b5d38sm if (!component.shared) { 66cfd74d65d832137e20e193c960802afba73b5d38sm factory.releaseComponent(component); 67cfd74d65d832137e20e193c960802afba73b5d38sm } 68cfd74d65d832137e20e193c960802afba73b5d38sm } 69cfd74d65d832137e20e193c960802afba73b5d38sm } 70cfd74d65d832137e20e193c960802afba73b5d38sm mComponentsToInsert.clear(); 71cfd74d65d832137e20e193c960802afba73b5d38sm mComponentsToRemove.clear(); 72cfd74d65d832137e20e193c960802afba73b5d38sm mPingPong = false; 73cfd74d65d832137e20e193c960802afba73b5d38sm mActivated = false; 74cfd74d65d832137e20e193c960802afba73b5d38sm mCurrentlySwapped = false; 75cfd74d65d832137e20e193c960802afba73b5d38sm mSwapOnAction = GameObject.ActionType.INVALID; 76cfd74d65d832137e20e193c960802afba73b5d38sm mLastAction = GameObject.ActionType.INVALID; 77cfd74d65d832137e20e193c960802afba73b5d38sm } 78cfd74d65d832137e20e193c960802afba73b5d38sm 79cfd74d65d832137e20e193c960802afba73b5d38sm 80cfd74d65d832137e20e193c960802afba73b5d38sm 81cfd74d65d832137e20e193c960802afba73b5d38sm @Override 82cfd74d65d832137e20e193c960802afba73b5d38sm public void update(float timeDelta, BaseObject parent) { 83cfd74d65d832137e20e193c960802afba73b5d38sm if (mSwapOnAction != GameObject.ActionType.INVALID) { 84cfd74d65d832137e20e193c960802afba73b5d38sm GameObject parentObject = (GameObject)parent; 85cfd74d65d832137e20e193c960802afba73b5d38sm GameObject.ActionType currentAction = parentObject.getCurrentAction(); 86cfd74d65d832137e20e193c960802afba73b5d38sm if (currentAction != mLastAction) { 87cfd74d65d832137e20e193c960802afba73b5d38sm mLastAction = currentAction; 88cfd74d65d832137e20e193c960802afba73b5d38sm if (currentAction == mSwapOnAction) { 89cfd74d65d832137e20e193c960802afba73b5d38sm activate(parentObject); 90cfd74d65d832137e20e193c960802afba73b5d38sm } 91cfd74d65d832137e20e193c960802afba73b5d38sm } 92cfd74d65d832137e20e193c960802afba73b5d38sm } 93cfd74d65d832137e20e193c960802afba73b5d38sm } 94cfd74d65d832137e20e193c960802afba73b5d38sm 95cfd74d65d832137e20e193c960802afba73b5d38sm public void addSwapInComponent(GameComponent component) { 96cfd74d65d832137e20e193c960802afba73b5d38sm mComponentsToInsert.add(component); 97cfd74d65d832137e20e193c960802afba73b5d38sm } 98cfd74d65d832137e20e193c960802afba73b5d38sm 99cfd74d65d832137e20e193c960802afba73b5d38sm public void addSwapOutComponent(GameComponent component) { 100cfd74d65d832137e20e193c960802afba73b5d38sm mComponentsToRemove.add(component); 101cfd74d65d832137e20e193c960802afba73b5d38sm } 102cfd74d65d832137e20e193c960802afba73b5d38sm 103cfd74d65d832137e20e193c960802afba73b5d38sm public void setPingPongBehavior(boolean pingPong) { 104cfd74d65d832137e20e193c960802afba73b5d38sm mPingPong = pingPong; 105cfd74d65d832137e20e193c960802afba73b5d38sm } 106cfd74d65d832137e20e193c960802afba73b5d38sm 107cfd74d65d832137e20e193c960802afba73b5d38sm public void setSwapAction(GameObject.ActionType action) { 108cfd74d65d832137e20e193c960802afba73b5d38sm mSwapOnAction = action; 109cfd74d65d832137e20e193c960802afba73b5d38sm } 110cfd74d65d832137e20e193c960802afba73b5d38sm 111cfd74d65d832137e20e193c960802afba73b5d38sm /** Inserts and removes components added to the swap-in and swap-out list, respectively. 112cfd74d65d832137e20e193c960802afba73b5d38sm * Unless mPingPong is set, this may only be called once. 113cfd74d65d832137e20e193c960802afba73b5d38sm * @param parent The parent object to swap components on. 114cfd74d65d832137e20e193c960802afba73b5d38sm */ 115cfd74d65d832137e20e193c960802afba73b5d38sm public void activate(GameObject parent) { 116cfd74d65d832137e20e193c960802afba73b5d38sm if (!mActivated || mPingPong) { 117cfd74d65d832137e20e193c960802afba73b5d38sm final int removeCount = mComponentsToRemove.getCount(); 118cfd74d65d832137e20e193c960802afba73b5d38sm for (int x = 0; x < removeCount; x++) { 119cfd74d65d832137e20e193c960802afba73b5d38sm parent.remove(mComponentsToRemove.get(x)); 120cfd74d65d832137e20e193c960802afba73b5d38sm } 121cfd74d65d832137e20e193c960802afba73b5d38sm 122cfd74d65d832137e20e193c960802afba73b5d38sm final int addCount = mComponentsToInsert.getCount(); 123cfd74d65d832137e20e193c960802afba73b5d38sm for (int x = 0; x < addCount; x++) { 124cfd74d65d832137e20e193c960802afba73b5d38sm parent.add(mComponentsToInsert.get(x)); 125cfd74d65d832137e20e193c960802afba73b5d38sm } 126cfd74d65d832137e20e193c960802afba73b5d38sm 127cfd74d65d832137e20e193c960802afba73b5d38sm mActivated = true; 128cfd74d65d832137e20e193c960802afba73b5d38sm mCurrentlySwapped = !mCurrentlySwapped; 129cfd74d65d832137e20e193c960802afba73b5d38sm if (mPingPong) { 130cfd74d65d832137e20e193c960802afba73b5d38sm FixedSizeArray<GameComponent> swap = mComponentsToInsert; 131cfd74d65d832137e20e193c960802afba73b5d38sm mComponentsToInsert = mComponentsToRemove; 132cfd74d65d832137e20e193c960802afba73b5d38sm mComponentsToRemove = swap; 133cfd74d65d832137e20e193c960802afba73b5d38sm } 134cfd74d65d832137e20e193c960802afba73b5d38sm } 135cfd74d65d832137e20e193c960802afba73b5d38sm } 136cfd74d65d832137e20e193c960802afba73b5d38sm 137cfd74d65d832137e20e193c960802afba73b5d38sm public boolean getCurrentlySwapped() { 138cfd74d65d832137e20e193c960802afba73b5d38sm return mCurrentlySwapped; 139cfd74d65d832137e20e193c960802afba73b5d38sm } 140cfd74d65d832137e20e193c960802afba73b5d38sm} 141