# OgreFrameListener.h

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    00001 /*
    00002 -----------------------------------------------------------------------------
    00003 This source file is part of OGRE
    00004     (Object-oriented Graphics Rendering Engine)
    00005 For the latest info, see http://www.ogre3d.org/
    00006
    00007 Copyright (c) 2000-2006 Torus Knot Software Ltd
    00008 Also see acknowledgements in Readme.html
    00009
    00010 This program is free software; you can redistribute it and/or modify it under
    00011 the terms of the GNU Lesser General Public License as published by the Free Software
    00012 Foundation; either version 2 of the License, or (at your option) any later
    00013 version.
    00014
    00015 This program is distributed in the hope that it will be useful, but WITHOUT
    00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    00018
    00019 You should have received a copy of the GNU Lesser General Public License along with
    00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
    00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
    00022 http://www.gnu.org/copyleft/lesser.txt.
    00023
    00024 You may alternatively use this source under the terms of a specific version of
    00025 the OGRE Unrestricted License provided you have obtained such a license from
    00026 Torus Knot Software Ltd.
    00027 -----------------------------------------------------------------------------
    00028 */
    00029 #ifndef __FrameListener_H__
    00030 #define __FrameListener_H__
    00031
    00032
    00033 #include "OgrePrerequisites.h"
    00034
    00035 namespace Ogre {
    00036
    00039     struct FrameEvent
    00040     {
    00048         Real timeSinceLastEvent;
    00055         Real timeSinceLastFrame;
    00056     };
    00057
    00058
    00077     class _OgreExport FrameListener
    00078     {
    00079         /*
    00080         Note that this could have been an abstract class, but I made
    00081         the explicit choice not to do this, because I wanted to give
    00082         people the option of only implementing the methods they wanted,
    00083         rather than having to create 'do nothing' implementations for
    00084         those they weren't interested in. As such this class follows
    00085         the 'Adapter' classes in Java rather than pure interfaces.
    00086         */
    00087     public:
    00095         virtual bool frameStarted(const FrameEvent& evt) { return true; }
    00096
    00113         virtual bool frameRenderingQueued(const FrameEvent& evt) { return true; }
    00122         virtual bool frameEnded(const FrameEvent& evt) { return true; }
    00123
    00124         virtual ~FrameListener() {}
    00125
    00126     };
    00127 }
    00128
    00129 #endif

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sat Apr 11 14:26:40 2009