Initial version of mostly-placeholder sprite-related classes.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@132 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/media/sprite/AnimationManager.java

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+//
+// $Id: AnimationManager.java,v 1.1 2001/07/28 01:50:07 shaper Exp $
+
+package com.threerings.miso.sprite;
+
+import java.awt.Component;
+
+import com.samskivert.util.Interval;
+import com.samskivert.util.IntervalManager;
+
+/**
+ * The AnimationManager handles the regular refreshing of the scene
+ * view to allow for animation.  It also may someday manage special
+ * scene-wide animations, such as rain, fog, or earthquakes.
+ */
+public class AnimationManager
+{
+    /**
+     * Construct and initialize the animation manager with a sprite
+     * manager and the panel that animations will take place within.
+     */
+    public AnimationManager (SpriteManager spritemgr, Component target)
+    {
+        _spritemgr = spritemgr;
+        _target = target;
+
+        // create the interval for refreshing the display
+        Interval refresher = new Interval() {
+            public void intervalExpired (int id, Object arg)
+            {
+                _target.repaint();
+            }
+        };
+
+        // register ourselves with the interval mgr
+        IntervalManager.register(refresher, REFRESH_INTERVAL, null, true);
+    }
+
+    /** The desired number of refresh operations per second. */
+    protected static final int FRAME_RATE = 60;
+
+    /** The milliseconds to sleep to obtain desired frame rate. */
+    protected static final long REFRESH_INTERVAL = 1000 / FRAME_RATE;
+
+    /** The sprite manager. */
+    protected SpriteManager _spritemgr;
+
+    /** The component to refresh. */
+    protected Component _target;
+}

src/java/com/threerings/media/sprite/Sprite.java

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+//
+// $Id: Sprite.java,v 1.1 2001/07/28 01:50:07 shaper Exp $
+
+package com.threerings.miso.sprite;
+
+import com.threerings.miso.tile.Tile;
+
+/**
+ * The Sprite class represents a single moveable object within a
+ * scene.  A sprite has a position within the scene, and a set of
+ * tiles used to render it (perhaps multiple frames for animation).
+ */
+public class Sprite
+{
+    /** The sprite's x-position in pixel coordinates. */
+    public int x;
+
+    /** The sprite's y-position in pixel coordinates. */
+    public int y;
+
+    /**
+     * Construct and initialize a Sprite object.
+     */
+    public Sprite (int x, int y, Tile[] tiles)
+    {
+        this.x = x;
+        this.y = y;
+
+        _tiles = tiles;
+        _curframe = 0;
+    }
+
+    /** The tiles that comprise the sprite. */
+    protected Tile[] _tiles;
+
+    /** The current tile frame to render. */
+    protected int _curframe;
+}

src/java/com/threerings/media/sprite/SpriteManager.java

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+//
+// $Id: SpriteManager.java,v 1.1 2001/07/28 01:50:07 shaper Exp $
+
+package com.threerings.miso.sprite;
+
+/**
+ * The SpriteManager manages the sprites running about in the game.
+ */
+public class SpriteManager
+{
+    /**
+     * Construct and initialize the SpriteManager object.
+     */
+    public SpriteManager ()
+    {
+    }
+}