Added 'turn' stuff, and the GameControllerDelegate required to do so.

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@42 c613c5cb-e716-0410-b11b-feb51c14d237

src/as/com/threerings/parlor/game/client/GameController.as

@@ -250,14 +250,10 @@ public /*abstract*/ class GameController extends PlaceController
         // clear out our game over flag
         setGameOver(false);
 
-/* TODO
         // let our delegates do their business
-        applyToDelegates(new DelegateOp() {
+        applyToDelegates(function (del :GameControllerDelegate) :void {
-            public void apply (PlaceControllerDelegate delegate) {
+            del.gameDidStart();
-                ((GameControllerDelegate)delegate).gameDidStart();
-            }
         });
-*/
     }
 
     /**
@@ -267,14 +263,10 @@ public /*abstract*/ class GameController extends PlaceController
      */
     protected function gameDidEnd () :void
     {
-/* TODO
         // let our delegates do their business
-        applyToDelegates(new DelegateOp() {
+        applyToDelegates(function (del :GameControllerDelegate) :void {
-            public void apply (PlaceControllerDelegate delegate) {
+            del.gameDidEnd();
-                ((GameControllerDelegate)delegate).gameDidEnd();
-            }
         });
-*/
     }
 
     /**
@@ -282,14 +274,10 @@ public /*abstract*/ class GameController extends PlaceController
      */
     protected function gameWasCancelled () :void
     {
-/*
         // let our delegates do their business
-        applyToDelegates(new DelegateOp() {
+        applyToDelegates(function (del :GameControllerDelegate) :void {
-            public void apply (PlaceControllerDelegate delegate) {
+            del.gameWasCancelled();
-                ((GameControllerDelegate)delegate).gameWasCancelled();
-            }
         });
-*/
     }
 
     /**
@@ -299,14 +287,10 @@ public /*abstract*/ class GameController extends PlaceController
      */
     protected function gameWillReset () :void
     {
-/* TODO
         // let our delegates do their business
-        applyToDelegates(new DelegateOp() {
+        applyToDelegates(function (del :GameControllerDelegate) :void {
-            public void apply (PlaceControllerDelegate delegate) {
+            del.gameWillReset();
-                ((GameControllerDelegate)delegate).gameWillReset();
-            }
         });
-*/
     }
 
     /**

src/as/com/threerings/parlor/game/client/GameControllerDelegate.as

@@ -0,0 +1,75 @@
+//
+// $Id: GameControllerDelegate.java 3381 2005-03-03 19:36:34Z mdb $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// 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.parlor.game.client {
+
+import com.threerings.crowd.client.PlaceControllerDelegate;
+
+/**
+ * Extends the {@link PlaceControllerDelegate} mechanism with game
+ * controller specific methods.
+ */
+public class GameControllerDelegate extends PlaceControllerDelegate
+{
+    /**
+     * Provides the delegate with a reference to the game controller for
+     * which it is delegating.
+     */
+    public function GameControllerDelegate (ctrl :GameController)
+    {
+        super(ctrl);
+    }
+
+    /**
+     * Called when the game transitions to the <code>IN_PLAY</code>
+     * state. This happens when all of the players have arrived and the
+     * server starts the game.
+     */
+    public function gameDidStart () :void
+    {
+    }
+
+    /**
+     * Called when the game transitions to the <code>GAME_OVER</code>
+     * state. This happens when the game reaches some end condition by
+     * normal means (is not cancelled or aborted).
+     */
+    public function gameDidEnd () :void
+    {
+    }
+
+    /**
+     * Called when the game was cancelled for some reason.
+     */
+    public function gameWasCancelled () :void
+    {
+    }
+
+    /**
+     * Called to give derived classes a chance to display animations, send
+     * a final packet, or do any other business they care to do when the
+     * game is about to reset.
+     */
+    public function gameWillReset () :void
+    {
+    }
+}
+}

src/as/com/threerings/parlor/turn/client/TurnGameController.as

@@ -0,0 +1,45 @@
+//
+// $Id: TurnGameController.java 3381 2005-03-03 19:36:34Z mdb $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// 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.parlor.turn.client {
+
+import com.threerings.util.Name;
+
+import com.threerings.parlor.game.client.GameController;
+
+/**
+ * Games that wish to make use of the turn game services should have their
+ * controller implement this interface and create an instance of {@link
+ * TurnGameControllerDelegate} which should be passed to {@link
+ * GameController#addDelegate}.
+ */
+public interface TurnGameController
+{
+    /**
+     * Called when the turn changed. This indicates the start of a turn
+     * and the user interface should adjust itself accordingly (activating
+     * controls if it is our turn and deactivating them if it is not).
+     *
+     * @param turnHolder the username of the new holder of the turn.
+     */
+    function turnDidChange (turnHolder :Name) :void;
+}
+}

src/as/com/threerings/parlor/turn/client/TurnGameControllerDelegate.as

@@ -0,0 +1,157 @@
+//
+// $Id: TurnGameControllerDelegate.java 3758 2005-11-10 23:18:58Z mdb $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// 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.parlor.turn.client {
+
+import com.threerings.util.Name;
+
+import com.threerings.presents.dobj.AttributeChangedEvent;
+import com.threerings.presents.dobj.AttributeChangeListener;
+
+import com.threerings.crowd.data.BodyObject;
+import com.threerings.crowd.data.PlaceConfig;
+import com.threerings.crowd.data.PlaceObject;
+import com.threerings.crowd.util.CrowdContext;
+
+import com.threerings.parlor.game.client.GameController;
+import com.threerings.parlor.game.client.GameControllerDelegate;
+import com.threerings.parlor.game.data.GameObject;
+
+import com.threerings.parlor.turn.data.TurnGameObject;
+
+/**
+ * Performs the client-side processing for a turn-based game. Games which
+ * wish to make use of these services must construct a delegate and call
+ * out to it at the appropriate times (see the method documentation for
+ * which methods should be called when). The game's controller must also
+ * implement the {@link TurnGameController} interface so that it can be
+ * notified when turn-based game events take place.
+ */
+public class TurnGameControllerDelegate extends GameControllerDelegate
+    implements AttributeChangeListener
+{
+    /** A special value used to communicate to the client that the current
+     * turn holder was replaced (perhaps due to disconnection or departure
+     * and being replaced by an AI). */
+    public static const TURN_HOLDER_REPLACED :Name =
+        new Name("__TURN_HOLDER_REPLACED__");
+
+    /**
+     * Constructs a delegate which will call back to the supplied {@link
+     * TurnGameController} implementation wen turn-based game related
+     * things happen.
+     */
+    public function TurnGameControllerDelegate (tgctrl :TurnGameController)
+    {
+        super(GameController(tgctrl));
+
+        // keep this around for later
+        _tgctrl = tgctrl;
+    }
+
+    /**
+     * Returns true if the game is in progress and it is our turn; false
+     * otherwise.
+     */
+    public function isOurTurn () :Boolean
+    {
+        var self :BodyObject =
+            (_ctx.getClient().getClientObject() as BodyObject);
+        return (_gameObj.isInPlay() &&
+            self.getVisibleName().equals(_turnGame.getTurnHolder()));
+    }
+
+    /**
+     * Returns the index of the current turn holder as configured in the
+     * game object.
+     *
+     * @return the index into the players array of the current turn holder
+     * or -1 if there is no current turn holder.
+     */
+    public function getTurnHolderIndex () :int
+    {
+        return _gameObj.getPlayerIndex(_turnGame.getTurnHolder());
+    }
+
+    // documentation inherited
+    override public function init (ctx :CrowdContext, config :PlaceConfig) :void
+    {
+        _ctx = ctx;
+    }
+
+    // documentation inherited
+    override public function willEnterPlace (plobj :PlaceObject) :void
+    {
+        // get a casted reference to the object
+        _gameObj = (plobj as GameObject);
+        _turnGame = (plobj as TurnGameObject);
+        _thfield = _turnGame.getTurnHolderFieldName();
+
+        // and add ourselves as a listener
+        plobj.addListener(this);
+    }
+
+    // documentation inherited
+    override public function didLeavePlace (plobj :PlaceObject) :void
+    {
+        // remove our listenership
+        plobj.removeListener(this);
+
+        // clean up
+        _turnGame = null;
+    }
+
+    // documentation inherited
+    public function attributeChanged (event :AttributeChangedEvent) :void
+    {
+        // handle turn changes
+        if (event.getName() == _thfield) {
+            var name :Name = (event.getValue() as Name);
+            var oname :Name = (event.getOldValue() as Name);
+            if (TURN_HOLDER_REPLACED.equals(name) ||
+                TURN_HOLDER_REPLACED.equals(oname)) {
+                // small hackery: ignore the turn holder being set to
+                // TURN_HOLDER_REPLACED as it means that we're replacing
+                // the current turn holder rather than switching turns;
+                // also ignore the new turn holder when we switch from THR
+                // to a real name again
+            } else {
+                _tgctrl.turnDidChange(name);
+            }
+        }
+    }
+
+    /** The turn game controller for whom we are delegating. */
+    protected var _tgctrl :TurnGameController;
+
+    /** A reference to our client context. */
+    protected var _ctx :CrowdContext;
+
+    /** A reference to our game object. */
+    protected var _gameObj :GameObject;
+
+    /** A casted reference to our game object as a turn game. */
+    protected var _turnGame :TurnGameObject;
+
+    /** The name of the turn holder field. */
+    protected var _thfield :String;
+}
+}

src/as/com/threerings/parlor/turn/data/TurnGameObject.as

@@ -0,0 +1,73 @@
+//
+// $Id: TurnGameObject.java 3667 2005-08-03 07:46:54Z mdb $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// 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.parlor.turn.data {
+
+import com.threerings.io.TypedArray;
+
+import com.threerings.util.Name;
+
+import com.threerings.parlor.game.data.GameObject;
+
+/**
+ * Games that wish to support turn-based play must implement this
+ * interface with their {@link GameObject}.
+ */
+public interface TurnGameObject
+{
+    /** A special value used to communicate to the client that the current
+     * turn holder was replaced (perhaps due to disconnection or departure
+     * and being replaced by an AI). */
+//    public static final Name TURN_HOLDER_REPLACED =
+//        new Name("__TURN_HOLDER_REPLACED__");
+
+    /**
+     * Returns the distributed object field name of the
+     * <code>turnHolder</code> field in the object that implements this
+     * interface.
+     */
+    function getTurnHolderFieldName () :String;
+
+    /**
+     * Returns the username of the player who is currently taking their
+     * turn in this turn-based game or <code>null</code> if no user
+     * currently holds the turn.
+     */
+    function getTurnHolder () :Name;
+
+    /**
+     * Requests that the <code>turnHolder</code> field be set to the specified
+     * value.
+     */
+    function setTurnHolder (turnHolder :Name) :void;
+
+    /**
+     * Returns the array of player names involved in the game.
+     */
+    function getPlayers () :TypedArray /* of Name */;
+
+    /**
+     * Returns true if the game is in play, false if not. If a game is not in
+     * play after a turn has ended, the next turn will not be started.
+     */
+    function isInPlay () :Boolean;
+}
+}