OGRE  1.9.0
OgreFrameListener.h
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1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2014 Torus Knot Software Ltd
8
9Permission is hereby granted, free of charge, to any person obtaining a copy
10of this software and associated documentation files (the "Software"), to deal
11in the Software without restriction, including without limitation the rights
12to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13copies of the Software, and to permit persons to whom the Software is
14furnished to do so, subject to the following conditions:
15
16The above copyright notice and this permission notice shall be included in
17all copies or substantial portions of the Software.
18
19THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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24OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25THE SOFTWARE.
26-----------------------------------------------------------------------------
27*/
28#ifndef __FrameListener_H__
29#define __FrameListener_H__
30
31
32#include "OgrePrerequisites.h"
33
34namespace Ogre {
35
45 {
61 };
62
63
80 {
81 /*
82 Note that this could have been an abstract class, but I made
83 the explicit choice not to do this, because I wanted to give
84 people the option of only implementing the methods they wanted,
85 rather than having to create 'do nothing' implementations for
86 those they weren't interested in. As such this class follows
87 the 'Adapter' classes in Java rather than pure interfaces.
88 */
89 public:
97 virtual bool frameStarted(const FrameEvent& evt)
98 { (void)evt; return true; }
99
117 { (void)evt; return true; }
118
127 virtual bool frameEnded(const FrameEvent& evt)
128 { (void)evt; return true; }
129
130 virtual ~FrameListener() {}
131
132 };
135}
136
137#endif
#define _OgreExport
A interface class defining a listener which can be used to receive notifications of frame events.
virtual bool frameRenderingQueued(const FrameEvent &evt)
Called after all render targets have had their rendering commands issued, but before render windows h...
virtual bool frameStarted(const FrameEvent &evt)
Called when a frame is about to begin rendering.
virtual bool frameEnded(const FrameEvent &evt)
Called just after a frame has been rendered.
Reference-counted shared pointer, used for objects where implicit destruction is required.
Struct containing information about a frame event.
Real timeSinceLastEvent
Elapsed time in seconds since the last event.
Real timeSinceLastFrame
Elapsed time in seconds since the last event of the same type, i.e.