Get our tools from narya.jar and its dependencies. Moved src/java into

src/main/java. Prepared to move tests out into main project.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@1040 ed5b42cb-e716-0410-a449-f6a68f950b19

src/main/java/com/threerings/cast/util/CastUtil.java

@@ -0,0 +1,99 @@
+//
+// $Id$
+//
+// Nenya library - tools for developing networked games
+// Copyright (C) 2002-2010 Three Rings Design, Inc., All Rights Reserved
+// http://code.google.com/p/nenya/
+//
+// 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.cast.util;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import com.google.common.collect.Iterators;
+import com.google.common.collect.Lists;
+
+import com.samskivert.util.RandomUtil;
+
+import com.threerings.cast.CharacterDescriptor;
+import com.threerings.cast.ComponentClass;
+import com.threerings.cast.ComponentRepository;
+
+import static com.threerings.cast.Log.log;
+
+/**
+ * Miscellaneous cast utility routines.
+ */
+public class CastUtil
+{
+    /**
+     * Returns a new character descriptor populated with a random set of
+     * components.
+     */
+    public static CharacterDescriptor getRandomDescriptor (
+        String gender, ComponentRepository crepo)
+    {
+        // get all available classes
+        ArrayList<ComponentClass> classes = Lists.newArrayList();
+        for (String element : CLASSES) {
+            String cname = gender + "/" + element;
+            ComponentClass cclass = crepo.getComponentClass(cname);
+
+            // make sure the component class exists
+            if (cclass == null) {
+                log.warning("Missing definition for component class " +
+                            "[class=" + cname + "].");
+                continue;
+            }
+
+            // make sure there are some components in this class
+            Iterator<Integer> iter = crepo.enumerateComponentIds(cclass);
+            if (!iter.hasNext()) {
+                log.info("Skipping class for which we have no components " +
+                         "[class=" + cclass + "].");
+                continue;
+            }
+
+            classes.add(cclass);
+        }
+
+        // select the components
+        int size = classes.size();
+        int components[] = new int[size];
+        for (int ii = 0; ii < size; ii++) {
+            ComponentClass cclass = classes.get(ii);
+
+            // get the components available for this class
+            ArrayList<Integer> choices = Lists.newArrayList();
+            Iterators.addAll(choices, crepo.enumerateComponentIds(cclass));
+
+            // choose a random component
+            if (choices.size() > 0) {
+                int idx = RandomUtil.getInt(choices.size());
+                components[ii] = choices.get(idx).intValue();
+            } else {
+                log.info("Have no components in class [class=" + cclass + "].");
+            }
+        }
+
+        return new CharacterDescriptor(components, null);
+    }
+
+    protected static final String[] CLASSES = {
+        "legs", "feet", "hand_left", "hand_right", "torso",
+        "head", "hair", "hat", "eyepatch" };
+}