vrshoot
diff libs/assimp/TargetAnimation.h @ 0:b2f14e535253
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sat, 01 Feb 2014 19:58:19 +0200 |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/assimp/TargetAnimation.h Sat Feb 01 19:58:19 2014 +0200 1.3 @@ -0,0 +1,179 @@ 1.4 +/* 1.5 +Open Asset Import Library (assimp) 1.6 +---------------------------------------------------------------------- 1.7 + 1.8 +Copyright (c) 2006-2012, assimp team 1.9 +All rights reserved. 1.10 + 1.11 +Redistribution and use of this software in source and binary forms, 1.12 +with or without modification, are permitted provided that the 1.13 +following conditions are met: 1.14 + 1.15 +* Redistributions of source code must retain the above 1.16 + copyright notice, this list of conditions and the 1.17 + following disclaimer. 1.18 + 1.19 +* Redistributions in binary form must reproduce the above 1.20 + copyright notice, this list of conditions and the 1.21 + following disclaimer in the documentation and/or other 1.22 + materials provided with the distribution. 1.23 + 1.24 +* Neither the name of the assimp team, nor the names of its 1.25 + contributors may be used to endorse or promote products 1.26 + derived from this software without specific prior 1.27 + written permission of the assimp team. 1.28 + 1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.40 + 1.41 +---------------------------------------------------------------------- 1.42 +*/ 1.43 + 1.44 +/** @file Defines a helper class for the ASE and 3DS loaders to 1.45 + help them compute camera and spot light animation channels */ 1.46 +#ifndef AI_TARGET_ANIMATION_H_INC 1.47 +#define AI_TARGET_ANIMATION_H_INC 1.48 + 1.49 + 1.50 +namespace Assimp { 1.51 + 1.52 + 1.53 + 1.54 +// --------------------------------------------------------------------------- 1.55 +/** Helper class to iterate through all keys in an animation channel. 1.56 + * 1.57 + * Missing tracks are interpolated. This is a helper class for 1.58 + * TargetAnimationHelper, but it can be freely used for other purposes. 1.59 +*/ 1.60 +class KeyIterator 1.61 +{ 1.62 +public: 1.63 + 1.64 + 1.65 + // ------------------------------------------------------------------ 1.66 + /** Constructs a new key iterator 1.67 + * 1.68 + * @param _objPos Object position track. May be NULL. 1.69 + * @param _targetObjPos Target object position track. May be NULL. 1.70 + * @param defaultObjectPos Default object position to be used if 1.71 + * no animated track is available. May be NULL. 1.72 + * @param defaultTargetPos Default target position to be used if 1.73 + * no animated track is available. May be NULL. 1.74 + */ 1.75 + KeyIterator(const std::vector<aiVectorKey>* _objPos, 1.76 + const std::vector<aiVectorKey>* _targetObjPos, 1.77 + const aiVector3D* defaultObjectPos = NULL, 1.78 + const aiVector3D* defaultTargetPos = NULL); 1.79 + 1.80 + // ------------------------------------------------------------------ 1.81 + /** Returns true if all keys have been processed 1.82 + */ 1.83 + bool Finished() const 1.84 + {return reachedEnd;} 1.85 + 1.86 + // ------------------------------------------------------------------ 1.87 + /** Increment the iterator 1.88 + */ 1.89 + void operator++(); 1.90 + inline void operator++(int) 1.91 + {return ++(*this);} 1.92 + 1.93 + 1.94 + 1.95 + // ------------------------------------------------------------------ 1.96 + /** Getters to retrieve the current state of the iterator 1.97 + */ 1.98 + inline const aiVector3D& GetCurPosition() const 1.99 + {return curPosition;} 1.100 + 1.101 + inline const aiVector3D& GetCurTargetPosition() const 1.102 + {return curTargetPosition;} 1.103 + 1.104 + inline double GetCurTime() const 1.105 + {return curTime;} 1.106 + 1.107 +private: 1.108 + 1.109 + //! Did we reach the end? 1.110 + bool reachedEnd; 1.111 + 1.112 + //! Represents the current position of the iterator 1.113 + aiVector3D curPosition, curTargetPosition; 1.114 + 1.115 + double curTime; 1.116 + 1.117 + //! Input tracks and the next key to process 1.118 + const std::vector<aiVectorKey>* objPos,*targetObjPos; 1.119 + 1.120 + unsigned int nextObjPos, nextTargetObjPos; 1.121 + std::vector<aiVectorKey> defaultObjPos,defaultTargetObjPos; 1.122 +}; 1.123 + 1.124 +// --------------------------------------------------------------------------- 1.125 +/** Helper class for the 3DS and ASE loaders to compute camera and spot light 1.126 + * animations. 1.127 + * 1.128 + * 3DS and ASE store the differently to Assimp - there is an animation 1.129 + * channel for the camera/spot light itself and a separate position 1.130 + * animation channels specifying the position of the camera/spot light 1.131 + * look-at target */ 1.132 +class TargetAnimationHelper 1.133 +{ 1.134 +public: 1.135 + 1.136 + TargetAnimationHelper() 1.137 + : targetPositions (NULL) 1.138 + , objectPositions (NULL) 1.139 + {} 1.140 + 1.141 + 1.142 + // ------------------------------------------------------------------ 1.143 + /** Sets the target animation channel 1.144 + * 1.145 + * This channel specifies the position of the camera/spot light 1.146 + * target at a specific position. 1.147 + * 1.148 + * @param targetPositions Translation channel*/ 1.149 + void SetTargetAnimationChannel (const 1.150 + std::vector<aiVectorKey>* targetPositions); 1.151 + 1.152 + 1.153 + // ------------------------------------------------------------------ 1.154 + /** Sets the main animation channel 1.155 + * 1.156 + * @param objectPositions Translation channel */ 1.157 + void SetMainAnimationChannel ( const 1.158 + std::vector<aiVectorKey>* objectPositions); 1.159 + 1.160 + // ------------------------------------------------------------------ 1.161 + /** Sets the main animation channel to a fixed value 1.162 + * 1.163 + * @param fixed Fixed value for the main animation channel*/ 1.164 + void SetFixedMainAnimationChannel(const aiVector3D& fixed); 1.165 + 1.166 + 1.167 + // ------------------------------------------------------------------ 1.168 + /** Computes final animation channels 1.169 + * @param distanceTrack Receive camera translation keys ... != NULL. */ 1.170 + void Process( std::vector<aiVectorKey>* distanceTrack ); 1.171 + 1.172 + 1.173 +private: 1.174 + 1.175 + const std::vector<aiVectorKey>* targetPositions,*objectPositions; 1.176 + aiVector3D fixedMain; 1.177 +}; 1.178 + 1.179 + 1.180 +} // ! end namespace Assimp 1.181 + 1.182 +#endif // include guard