Moved the serverless game stuff out of msoy and back into the vilya library.

We'll be using this in game gardens, at least.
Note that the actionscript side currently doesn't compile because of
limitations in building a .swc file, but that'll be fixed soon.


git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@47 c613c5cb-e716-0410-b11b-feb51c14d237

src/as/com/threerings/ezgame/client/EZGamePanel.as

@@ -0,0 +1,105 @@
+package com.threerings.ezgame.client {
+
+import flash.display.DisplayObject;
+import flash.display.DisplayObjectContainer;
+
+import flash.events.Event;
+
+import flash.utils.Dictionary;
+
+import mx.containers.Canvas;
+import mx.containers.VBox;
+
+import mx.core.Container;
+import mx.core.IChildList;
+
+import mx.utils.DisplayUtil;
+
+import com.threerings.crowd.client.PlaceView;
+import com.threerings.crowd.data.PlaceObject;
+import com.threerings.crowd.util.CrowdContext;
+
+import com.threerings.ezgame.data.EZGameConfig;
+import com.threerings.ezgame.data.EZGameObject;
+
+import com.threerings.ezgame.Game;
+
+public class EZGamePanel extends VBox
+    implements PlaceView
+{
+    public function EZGamePanel (ctx :CrowdContext, ctrl :EZGameController)
+    {
+        _ctx = ctx;
+        _ctrl = ctrl;
+
+        // add a listener so that we hear about all new children
+        addEventListener(Event.ADDED, childAdded);
+
+        // TODO: figure out how we're going to add the client game
+        var cfg :EZGameConfig = (ctrl.getPlaceConfig() as EZGameConfig);
+        //_gameView = new MsoySprite(cfg.game);
+        //addChild(_gameView);
+
+        // TODO: move chat component into narya?
+        //addChild(new ChatTextArea(ctx));
+    }
+
+    // from PlaceView
+    public function willEnterPlace (plobj :PlaceObject) :void
+    {
+        // don't start notifying anything of the game until we've
+        // notified the game manager that we're in the game
+        // (done in GameController, and it uses callLater, so we do it twice!)
+        _ctx.getClient().callLater(function () :void {
+            _ctx.getClient().callLater(function () :void {
+                _ezObj = (plobj as EZGameObject);
+
+                notifyOfGame(this);
+            });
+        });
+    }
+
+    // from PlaceView
+    public function didLeavePlace (plobj :PlaceObject) :void
+    {
+        _ezObj = null;
+    }
+
+    /**
+     * Handle ADDED events.
+     */
+    protected function childAdded (event :Event) :void
+    {
+        if (_ezObj != null) {
+            notifyOfGame(event.target as DisplayObject);
+        }
+    }
+
+    /**
+     * Find any children of the specified object that implement
+     * com.metasoy.game.Game and provide them with the GameObject.
+     */
+    protected function notifyOfGame (root :DisplayObject) :void
+    {
+        DisplayUtil.walkDisplayObjects(root,
+            function (disp :DisplayObject) :void
+            {
+                if (disp is Game) {
+                    // only notify the Game if we haven't seen it before
+                    if (null == _seenGames[disp]) {
+                        (disp as Game).setGameObject(_ctrl.gameObjImpl);
+                        _seenGames[disp] = true;
+                    }
+                }
+            });
+    }
+
+    protected var _ctx :CrowdContext;
+    protected var _ctrl :EZGameController;
+
+    /** A weak-key hash of the Game interfaces we've already seen. */
+    protected var _seenGames :Dictionary = new Dictionary(true);
+
+    protected var _ezObj :EZGameObject;
+}
+}