Behold, Nenya, Ring of Water and repository for our media and animation related

goodies, both Java 2D and LWJGL/JME 3D.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@1 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/media/util/DelayPath.java

@@ -0,0 +1,91 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.media.util;
+
+import java.awt.Graphics2D;
+import java.awt.Point;
+
+/**
+ * A convenience path that waits a specified amount of time.
+ */
+public class DelayPath extends TimedPath
+{
+    /**
+     * Cause the current path to remain unchanged for the duration.
+     */
+    public DelayPath (long duration)
+    {
+        this(null, duration);
+    }
+
+    /**
+     * Move to the sprite to the supplied location then wait for the duration.
+     */
+    public DelayPath (int x, int y, long duration)
+    {
+        this(new Point(x, y), duration);
+    }
+
+    /**
+     * Move to the sprite to the supplied location then wait for the duration.
+     */
+    public DelayPath (Point source, long duration)
+    {
+        super(duration);
+        _source = source;
+    }
+
+    // documentation inherited
+    public void init (Pathable pable, long timestamp)
+    {
+        super.init(pable, timestamp);
+    }
+
+    // documentation inherited
+    public void paint (Graphics2D gfx)
+    {
+    }
+
+    // documentation inherited
+    public boolean tick (Pathable pable, long tickstamp)
+    {
+        if (tickstamp >= _startStamp + _duration) {
+            if (_source != null) {
+                pable.setLocation(_source.x, _source.y);
+            }
+            pable.pathCompleted(tickstamp);
+            return (_source != null);
+        }
+
+        // If necessary, move the sprite to the supplied location
+        if (_source != null && (pable.getX() != _source.x ||
+                                pable.getY() != _source.y)) {
+            pable.setLocation(_source.x, _source.y);
+            return true;
+        }
+
+        return false;
+    }
+
+    /** Source point. */
+    protected Point _source;
+}