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/tile/bundle/TileSetBundle.java

@@ -0,0 +1,148 @@
+//
+// $Id: TileSetBundle.java 4007 2006-04-10 08:59:30Z mdb $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 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.tile.bundle;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.util.Iterator;
+
+import javax.imageio.ImageIO;
+
+import com.samskivert.util.HashIntMap;
+import com.threerings.resource.ResourceBundle;
+
+import com.threerings.media.image.FastImageIO;
+import com.threerings.media.image.ImageDataProvider;
+import com.threerings.media.tile.TileSet;
+
+/**
+ * A tileset bundle is used to load up tilesets by id from a persistent
+ * bundle of tilesets stored on the local filesystem.
+ */
+public class TileSetBundle extends HashIntMap
+    implements Serializable, ImageDataProvider
+{
+    /**
+     * Initializes this resource bundle with a reference to the jarfile
+     * from which it was loaded and from which it can load image data. The
+     * image manager will be used to decode the images.
+     */
+    public void init (ResourceBundle bundle)
+    {
+        _bundle = bundle;
+    }
+
+    /**
+     * Returns the bundle file from which our tiles are fetched.
+     */
+    public File getSource ()
+    {
+        return _bundle.getSource();
+    }
+
+    /**
+     * Adds a tileset to this tileset bundle.
+     */
+    public final void addTileSet (int tileSetId, TileSet set)
+    {
+        put(tileSetId, set);
+    }
+
+    /**
+     * Retrieves a tileset from this tileset bundle.
+     */
+    public final TileSet getTileSet (int tileSetId)
+    {
+        return (TileSet)get(tileSetId);
+    }
+
+    /**
+     * Enumerates the tileset ids in this tileset bundle.
+     */
+    public Iterator enumerateTileSetIds ()
+    {
+        return keySet().iterator();
+    }
+
+    /**
+     * Enumerates the tilesets in this tileset bundle.
+     */
+    public Iterator enumerateTileSets ()
+    {
+        return values().iterator();
+    }
+
+    // documentation inherited from interface
+    public String getIdent ()
+    {
+        return "tsb:" + _bundle.getSource();
+    }
+
+    // documentation inherited from interface
+    public BufferedImage loadImage (String path)
+        throws IOException
+    {
+        if (path.endsWith(FastImageIO.FILE_SUFFIX)) {
+            return FastImageIO.read(_bundle.getResourceFile(path));
+        } else {
+            return ImageIO.read(_bundle.getResourceFile(path));
+        }
+    }
+
+    // custom serialization process
+    private void writeObject (ObjectOutputStream out)
+        throws IOException
+    {
+        out.writeInt(size());
+
+        Iterator entries = intEntrySet().iterator();
+        while (entries.hasNext()) {
+            IntEntry entry = (IntEntry)entries.next();
+            out.writeInt(entry.getIntKey());
+            out.writeObject(entry.getValue());
+        }
+    }        
+
+    // custom unserialization process
+    private void readObject (ObjectInputStream in)
+        throws IOException, ClassNotFoundException
+    {
+        int count = in.readInt();
+
+        for (int i = 0; i < count; i++) {
+            int tileSetId = in.readInt();
+            TileSet set = (TileSet)in.readObject();
+            put(tileSetId, set);
+        }
+    }
+
+    /** That from which we load our tile images. */
+    protected transient ResourceBundle _bundle;
+
+    /** Increase this value when object's serialized state is impacted by
+     * a class change (modification of fields, inheritance). */
+    private static final long serialVersionUID = 2;
+ }