More work on character components. Revamped tile sets to allow them

to be constructed and used directly.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@581 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/miso/tile/BaseTileSet.java

@@ -1,9 +1,73 @@
 //
-// $Id: BaseTileSet.java,v 1.3 2001/10/12 00:43:04 shaper Exp $
+// $Id: BaseTileSet.java,v 1.4 2001/11/01 01:40:42 shaper Exp $
 
 package com.threerings.miso.tile;
 
-public interface MisoTileSet
+import java.awt.Point;
+
+import com.samskivert.util.HashIntMap;
+
+import com.threerings.media.ImageManager;
+import com.threerings.media.tile.*;
+
+import com.threerings.miso.scene.MisoScene;
+
+/**
+ * The miso tile set extends the base tile set to add support for tile
+ * passability.  Passability is used to determine whether {@link
+ * com.threerings.miso.scene.Traverser} objects can traverse a
+ * particular tile in a {@link com.threerings.miso.scene.MisoScene}.
+ */
+public class MisoTileSet extends TileSet
 {
-    public int getLayerIndex ();
+    public MisoTileSet (
+        ImageManager imgmgr, int tsid, String name, String imgFile,
+        int tileCount[], int rowWidth[], int rowHeight[],
+        int numTiles, Point offsetPos, Point gapDist,
+        boolean isObjectSet, HashIntMap objects,
+        int layer, int passable[])
+    {
+        super(imgmgr, tsid, name, imgFile, tileCount, rowWidth,
+              rowHeight, numTiles, offsetPos, gapDist,
+              isObjectSet, objects);
+
+        _layer = layer;
+        _passable = passable;
+    }
+
+    // documentation inherited
+    public Tile createTile (int tid)
+    {
+	// only create miso tiles for the base layer
+	if (_layer != MisoScene.LAYER_BASE) {
+	    return super.createTile(tid);
+	}
+
+	return new MisoTile(_tsid, tid);
+    }
+
+    // documentation inherited
+    protected void populateTile (Tile tile)
+    {
+	super.populateTile(tile);
+
+	if (tile instanceof MisoTile) {
+	    // set the tile's passability, defaulting to passable if this
+	    // tileset has no passability specified
+	    ((MisoTile)tile).passable =
+		(_passable == null || (_passable[tile.tid] == 1));
+	}
+    }
+
+    // documentation inherited
+    public int getLayerIndex ()
+    {
+        return _layer;
+    }
+
+    /** The miso scene layer the tiles are intended for. */
+    protected int _layer;
+
+    /** Whether each tile is passable. */
+    protected int _passable[];
 }