Ray Greenwell
79c6427c21
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4191 542714f4-19e9-0310-aa3c-eee0fc999fb1
103 lines
3.0 KiB
Java
103 lines
3.0 KiB
Java
//
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// $Id$
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.media.animation;
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import java.awt.Graphics2D;
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import java.awt.Rectangle;
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import com.threerings.media.sprite.Sprite;
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import com.threerings.media.sprite.SpriteManager;
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import com.threerings.media.sprite.PathObserver;
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import com.threerings.media.util.Path;
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public class SpriteAnimation extends Animation
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implements PathObserver
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{
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/**
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* Constructs a sprite animation for the given sprite. The first time
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* the animation is ticked, the sprite will be added to the given
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* sprite manager and started along the supplied path.
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*/
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public SpriteAnimation (SpriteManager spritemgr, Sprite sprite, Path path)
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{
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super(new Rectangle());
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// save things off
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_spritemgr = spritemgr;
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_sprite = sprite;
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_path = path;
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// set up our sprite business
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_sprite.addSpriteObserver(this);
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}
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/**
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* Derived classes can override tick if they want to end the animation
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* in some other way than the sprite completing a path.
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*/
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public void tick (long timestamp)
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{
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// start the sprite moving on its path on our first tick
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if (_path != null) {
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_spritemgr.addSprite(_sprite);
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_sprite.move(_path);
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_path = null;
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}
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}
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// documentation inherited
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public void paint (Graphics2D gfx)
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{
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// nothing for now
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}
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// documentation inherited from interface
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public void pathCancelled (Sprite sprite, Path path)
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{
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_finished = true;
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}
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// documentation inherited from interface
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public void pathCompleted (Sprite sprite, Path path, long when)
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{
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_finished = true;
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}
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// documentation inherited
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protected void didFinish (long tickStamp)
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{
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super.didFinish(tickStamp);
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_spritemgr.removeSprite(_sprite);
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_sprite = null;
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}
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/** The sprite associated with this animation. */
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protected Sprite _sprite;
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/** The sprite manager managing our sprite. */
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protected SpriteManager _spritemgr;
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/** The path along which we'll move our sprite. */
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protected Path _path;
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}
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