Renamed Spot to Cluster, replaced SpotGroup with ClusterUtil.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@211 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/miso/client/Cluster.java

@@ -0,0 +1,77 @@
+//
+// $Id: Cluster.java,v 1.1 2001/08/10 01:31:25 shaper Exp $
+
+package com.threerings.miso.scene;
+
+import java.util.ArrayList;
+
+/**
+ * A <code>Cluster</code> is a gathering of <code>Location</code> objects
+ * that represent a logical grouping for the purposes of display and
+ * interaction in a scene.
+ *
+ * <p> This class is currently just a wrapper around an
+ * <code>ArrayList</code>, but the theory is that we may soon want
+ * more useful functionality encapsulated herein, and the
+ * <code>Cluster</code> nomenclature is useful in any case.
+ */
+public class Cluster
+{
+    /**
+     * Construct a <code>Cluster</code> object.
+     */
+    public Cluster ()
+    {
+	_locations = new ArrayList();
+    }
+
+    /**
+     * Add a location to the cluster.
+     *
+     * @param loc the location.
+     */
+    public void add (Location loc)
+    {
+	_locations.add(loc);
+    }
+
+    /**
+     * Return whether the cluster contains the given location.
+     *
+     * @param loc the location.
+     */
+    public boolean contains (Location loc)
+    {
+	return _locations.contains(loc);
+    }
+
+    /**
+     * Removes the location from the cluster if present, and returns true
+     * if the location was present, false if not.
+     *
+     * @param loc the location.
+     */
+    public boolean remove (Location loc)
+    {
+	return _locations.remove(loc);
+    }
+
+    /**
+     * Return the number of locations in the cluster.
+     */
+    public int size ()
+    {
+	return _locations.size();
+    }
+
+    /**
+     * Return the list of locations that the cluster is made up of.
+     */
+    public ArrayList getLocations ()
+    {
+	return _locations;
+    }
+
+    /** The list of locations in this cluster. */
+    protected ArrayList _locations;
+}