src/com/replica/replicaisland/GameComponent.java

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * 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.replica.replicaisland;

/**
 * A game component implements a single feature of a game object.  Components are run once per frame
 * when their parent object is active.  Updating a game object is equivalent to updating all of its
 * components.  Note that a game object may contain more than one instance of the same type of
 * component.
 */
public abstract class GameComponent extends PhasedObject {
    // Defines high-level buckets within which components may choose to run.
    public enum ComponentPhases {
        THINK,                  // decisions are made
        PHYSICS,                // impulse velocities are summed
        POST_PHYSICS,           // inertia, friction, and bounce
        MOVEMENT,               // position is updated
        COLLISION_DETECTION,    // intersections are detected
        COLLISION_RESPONSE,     // intersections are resolved
        POST_COLLISION,         // position is now final for the frame
        ANIMATION,              // animations are selected
        PRE_DRAW,               // drawing state is initialized
        DRAW,                   // drawing commands are scheduled.
        FRAME_END,              // final cleanup before the next update
    }
    
    public boolean shared;
    
    public GameComponent() {
        super();
        shared = false;
    }
    
}