vrshoot
diff libs/assimp/ComputeUVMappingProcess.h @ 0:b2f14e535253
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
---|---|
date | Sat, 01 Feb 2014 19:58:19 +0200 |
parents | |
children |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/assimp/ComputeUVMappingProcess.h Sat Feb 01 19:58:19 2014 +0200 1.3 @@ -0,0 +1,144 @@ 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 post processing step to compute UV coordinates 1.45 + from abstract mappings, such as box or spherical*/ 1.46 +#ifndef AI_COMPUTEUVMAPPING_H_INC 1.47 +#define AI_COMPUTEUVMAPPING_H_INC 1.48 + 1.49 +#include "BaseProcess.h" 1.50 +#include "assimp/mesh.h" 1.51 + 1.52 +class ComputeUVMappingTest; 1.53 +namespace Assimp 1.54 + { 1.55 + 1.56 +// --------------------------------------------------------------------------- 1.57 +/** ComputeUVMappingProcess - converts special mappings, such as spherical, 1.58 + * cylindrical or boxed to proper UV coordinates for rendering. 1.59 +*/ 1.60 +class ComputeUVMappingProcess : public BaseProcess 1.61 +{ 1.62 +public: 1.63 + ComputeUVMappingProcess(); 1.64 + ~ComputeUVMappingProcess(); 1.65 + 1.66 +public: 1.67 + 1.68 + // ------------------------------------------------------------------- 1.69 + /** Returns whether the processing step is present in the given flag field. 1.70 + * @param pFlags The processing flags the importer was called with. A bitwise 1.71 + * combination of #aiPostProcessSteps. 1.72 + * @return true if the process is present in this flag fields, false if not. 1.73 + */ 1.74 + bool IsActive( unsigned int pFlags) const; 1.75 + 1.76 + // ------------------------------------------------------------------- 1.77 + /** Executes the post processing step on the given imported data. 1.78 + * At the moment a process is not supposed to fail. 1.79 + * @param pScene The imported data to work at. 1.80 + */ 1.81 + void Execute( aiScene* pScene); 1.82 + 1.83 +protected: 1.84 + 1.85 + // ------------------------------------------------------------------- 1.86 + /** Computes spherical UV coordinates for a mesh 1.87 + * 1.88 + * @param mesh Mesh to be processed 1.89 + * @param axis Main axis 1.90 + * @param out Receives output UV coordinates 1.91 + */ 1.92 + void ComputeSphereMapping(aiMesh* mesh,const aiVector3D& axis, 1.93 + aiVector3D* out); 1.94 + 1.95 + // ------------------------------------------------------------------- 1.96 + /** Computes cylindrical UV coordinates for a mesh 1.97 + * 1.98 + * @param mesh Mesh to be processed 1.99 + * @param axis Main axis 1.100 + * @param out Receives output UV coordinates 1.101 + */ 1.102 + void ComputeCylinderMapping(aiMesh* mesh,const aiVector3D& axis, 1.103 + aiVector3D* out); 1.104 + 1.105 + // ------------------------------------------------------------------- 1.106 + /** Computes planar UV coordinates for a mesh 1.107 + * 1.108 + * @param mesh Mesh to be processed 1.109 + * @param axis Main axis 1.110 + * @param out Receives output UV coordinates 1.111 + */ 1.112 + void ComputePlaneMapping(aiMesh* mesh,const aiVector3D& axis, 1.113 + aiVector3D* out); 1.114 + 1.115 + // ------------------------------------------------------------------- 1.116 + /** Computes cubic UV coordinates for a mesh 1.117 + * 1.118 + * @param mesh Mesh to be processed 1.119 + * @param out Receives output UV coordinates 1.120 + */ 1.121 + void ComputeBoxMapping(aiMesh* mesh, aiVector3D* out); 1.122 + 1.123 +private: 1.124 + 1.125 + // temporary structure to describe a mapping 1.126 + struct MappingInfo 1.127 + { 1.128 + MappingInfo(aiTextureMapping _type) 1.129 + : type (_type) 1.130 + , axis (0.f,1.f,0.f) 1.131 + , uv (0u) 1.132 + {} 1.133 + 1.134 + aiTextureMapping type; 1.135 + aiVector3D axis; 1.136 + unsigned int uv; 1.137 + 1.138 + bool operator== (const MappingInfo& other) 1.139 + { 1.140 + return type == other.type && axis == other.axis; 1.141 + } 1.142 + }; 1.143 +}; 1.144 + 1.145 +} // end of namespace Assimp 1.146 + 1.147 +#endif // AI_COMPUTEUVMAPPING_H_INC