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) 2000-2005 The OGRE Team 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 */ 00025 #ifndef __FrameListener_H__ 00026 #define __FrameListener_H__ 00027 00028 00029 #include "OgrePrerequisites.h" 00030 00031 namespace Ogre { 00032 00035 struct FrameEvent 00036 { 00044 Real timeSinceLastEvent; 00051 Real timeSinceLastFrame; 00052 }; 00053 00054 00073 class _OgreExport FrameListener 00074 { 00075 /* 00076 Note that this could have been an abstract class, but I made 00077 the explicit choice not to do this, because I wanted to give 00078 people the option of only implementing the methods they wanted, 00079 rather than having to create 'do nothing' implementations for 00080 those they weren't interested in. As such this class follows 00081 the 'Adapter' classes in Java rather than pure interfaces. 00082 */ 00083 public: 00089 virtual bool frameStarted(const FrameEvent& evt) { return true; } 00095 virtual bool frameEnded(const FrameEvent& evt) { return true; } 00096 00097 virtual ~FrameListener() {} 00098 00099 }; 00100 } 00101 00102 #endif
Copyright © 2000-2005 by The OGRE Team
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Last modified Sun Mar 12 14:37:40 2006