some code cleanup

started to move game-specific stuff into own class

include/gamestate.h

@@ -0,0 +1,42 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     http://yapb.jeefo.net/license
+//
+// Purpose: Represents Counter-Strike Game.
+//
+
+#pragma once
+
+//
+class IGameEvents
+{
+public:
+
+   // called when new round occurs
+   virtual void OnNewRound (void) = 0;
+};
+
+class Game
+{
+private:
+   IGameEvents *m_listener;
+
+public:
+   Game (void) : m_listener (NULL) { }
+   ~Game (void) { }
+
+public:
+   
+   // we have only one listener, so register it here
+   void RegisterEventListener (IGameEvents *listener) { m_listener = listener; }
+
+   // get events interface
+   IGameEvents *GetGameEventListener (void) { return m_listener; }
+};
+
+// helper macros
+#define events game.GetGameEventListener ()