An MFI implementation that obtains its source frames from a tileset.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1699 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/media/tile/TileMultiFrameImage.java

@@ -0,0 +1,84 @@
+//
+// $Id: TileMultiFrameImage.java,v 1.1 2002/09/17 20:39:03 mdb Exp $
+
+package com.threerings.media.tile;
+
+import java.awt.Graphics;
+
+import com.threerings.media.Log;
+import com.threerings.media.util.MultiFrameImage;
+
+/**
+ * A {@link MultiFrameImage} implementation that obtains its image frames
+ * from a tileset.
+ */
+public class TileMultiFrameImage implements MultiFrameImage
+{
+    /**
+     * Creates a tile MFI which will obtain its image frames from the
+     * specified source tileset.
+     */
+    public TileMultiFrameImage (TileSet source)
+    {
+        _source = source;
+    }
+
+    // documentation inherited from interface
+    public int getFrameCount ()
+    {
+        return _source.getTileCount();
+    }
+
+    // documentation inherited from interface
+    public int getWidth (int index)
+    {
+        try {
+            return _source.getTile(index).getWidth();
+        } catch (NoSuchTileException nste) {
+            Log.warning("Eh? Tile set reported 'no such tile' " +
+                        "[tcount=" + _source.getTileCount() +
+                        ", tindex=" + index + "].");
+            return -1;
+        }
+    }
+
+    // documentation inherited from interface
+    public int getHeight (int index)
+    {
+        try {
+            return _source.getTile(index).getHeight();
+        } catch (NoSuchTileException nste) {
+            Log.warning("Eh? Tile set reported 'no such tile' " +
+                        "[tcount=" + _source.getTileCount() +
+                        ", tindex=" + index + "].");
+            return -1;
+        }
+    }
+
+    // documentation inherited from interface
+    public void paintFrame (Graphics g, int index, int x, int y)
+    {
+        try {
+            _source.getTile(index).paint(g, x, y);
+        } catch (NoSuchTileException nste) {
+            Log.warning("Eh? Tile set reported 'no such tile' " +
+                        "[tcount=" + _source.getTileCount() +
+                        ", tindex=" + index + "].");
+        }
+    }
+
+    // documentation inherited from interface
+    public boolean hitTest (int index, int x, int y)
+    {
+        try {
+            return _source.getTile(index).hitTest(x, y);
+        } catch (NoSuchTileException nste) {
+            Log.warning("Eh? Tile set reported 'no such tile' " +
+                        "[tcount=" + _source.getTileCount() +
+                        ", tindex=" + index + "].");
+            return false;
+        }
+    }
+
+    protected TileSet _source;
+}