Equalizer  1.4.1
cameraAnimation.h
00001 
00002 /* Copyright (c) 2009, Maxim Makhinya
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *
00007  * - Redistributions of source code must retain the above copyright notice, this
00008  *   list of conditions and the following disclaimer.
00009  * - Redistributions in binary form must reproduce the above copyright notice,
00010  *   this list of conditions and the following disclaimer in the documentation
00011  *   and/or other materials provided with the distribution.
00012  * - Neither the name of Eyescale Software GmbH nor the names of its
00013  *   contributors may be used to endorse or promote products derived from this
00014  *   software without specific prior written permission.
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
00020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00026  * POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00029 #ifndef EQ_PLY_CAMERAANIMATION_H
00030 #define EQ_PLY_CAMERAANIMATION_H
00031 
00032 #include "eqPly.h"
00033 
00034 namespace eqPly
00035 {
00036 
00041     class CameraAnimation
00042     {
00043     public:
00044         struct Step;
00045 
00046         CameraAnimation() : _curStep( 0 ), _curFrame( 0 ) {}
00047 
00048         bool loadAnimation( const std::string& fileName );
00049 
00050         bool isValid() const { return !_steps.empty(); }
00051 
00052         Step getNextStep();
00053 
00054         uint32_t getCurrentFrame() { return _curFrame; }
00055 
00056         const eq::Vector3f& getModelRotation() const { return _modelRotation;}
00057 
00058         struct Step
00059         {
00060             Step()
00061                 : frame( 0 )
00062                 , position( eq::Vector3f( .0f, .0f, -1.0f ))
00063                 , rotation( eq::Vector3f( .0f, .0f,   .0f )){}
00064 
00065             Step( int frame_, const eq::Vector3f& position_,
00066                               const eq::Vector3f& rotation_  )
00067                 : frame( frame_ )
00068                 , position( position_ ),
00069                   rotation( rotation_ ){}
00070 
00071             int frame;
00072             eq::Vector3f position;
00073             eq::Vector3f rotation;
00074         };
00075 
00076     private:
00077         eq::Vector3f        _modelRotation;
00078         std::vector< Step > _steps;
00079         uint32_t            _curStep;
00080         int32_t             _curFrame;
00081     };
00082 
00083 }
00084 
00085 #endif // EQ_PLY_CAMERAANIMATION_H
00086 
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