| /* |
| Open Asset Import Library (assimp) |
| ---------------------------------------------------------------------- |
| |
| Copyright (c) 2006-2017, assimp team |
| |
| All rights reserved. |
| |
| Redistribution and use of this software in source and binary forms, |
| with or without modification, are permitted provided that the |
| following conditions are met: |
| |
| * Redistributions of source code must retain the above |
| copyright notice, this list of conditions and the |
| following disclaimer. |
| |
| * Redistributions in binary form must reproduce the above |
| copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| * Neither the name of the assimp team, nor the names of its |
| contributors may be used to endorse or promote products |
| derived from this software without specific prior |
| written permission of the assimp team. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| ---------------------------------------------------------------------- |
| */ |
| |
| /** @file Defines a post processing step to compute UV coordinates |
| from abstract mappings, such as box or spherical*/ |
| #ifndef AI_COMPUTEUVMAPPING_H_INC |
| #define AI_COMPUTEUVMAPPING_H_INC |
| |
| #include "BaseProcess.h" |
| #include <assimp/mesh.h> |
| #include <assimp/material.h> |
| #include <assimp/types.h> |
| |
| class ComputeUVMappingTest; |
| |
| namespace Assimp { |
| |
| // --------------------------------------------------------------------------- |
| /** ComputeUVMappingProcess - converts special mappings, such as spherical, |
| * cylindrical or boxed to proper UV coordinates for rendering. |
| */ |
| class ComputeUVMappingProcess : public BaseProcess |
| { |
| public: |
| ComputeUVMappingProcess(); |
| ~ComputeUVMappingProcess(); |
| |
| public: |
| |
| // ------------------------------------------------------------------- |
| /** Returns whether the processing step is present in the given flag field. |
| * @param pFlags The processing flags the importer was called with. A bitwise |
| * combination of #aiPostProcessSteps. |
| * @return true if the process is present in this flag fields, false if not. |
| */ |
| bool IsActive( unsigned int pFlags) const; |
| |
| // ------------------------------------------------------------------- |
| /** Executes the post processing step on the given imported data. |
| * At the moment a process is not supposed to fail. |
| * @param pScene The imported data to work at. |
| */ |
| void Execute( aiScene* pScene); |
| |
| protected: |
| |
| // ------------------------------------------------------------------- |
| /** Computes spherical UV coordinates for a mesh |
| * |
| * @param mesh Mesh to be processed |
| * @param axis Main axis |
| * @param out Receives output UV coordinates |
| */ |
| void ComputeSphereMapping(aiMesh* mesh,const aiVector3D& axis, |
| aiVector3D* out); |
| |
| // ------------------------------------------------------------------- |
| /** Computes cylindrical UV coordinates for a mesh |
| * |
| * @param mesh Mesh to be processed |
| * @param axis Main axis |
| * @param out Receives output UV coordinates |
| */ |
| void ComputeCylinderMapping(aiMesh* mesh,const aiVector3D& axis, |
| aiVector3D* out); |
| |
| // ------------------------------------------------------------------- |
| /** Computes planar UV coordinates for a mesh |
| * |
| * @param mesh Mesh to be processed |
| * @param axis Main axis |
| * @param out Receives output UV coordinates |
| */ |
| void ComputePlaneMapping(aiMesh* mesh,const aiVector3D& axis, |
| aiVector3D* out); |
| |
| // ------------------------------------------------------------------- |
| /** Computes cubic UV coordinates for a mesh |
| * |
| * @param mesh Mesh to be processed |
| * @param out Receives output UV coordinates |
| */ |
| void ComputeBoxMapping(aiMesh* mesh, aiVector3D* out); |
| |
| private: |
| |
| // temporary structure to describe a mapping |
| struct MappingInfo |
| { |
| explicit MappingInfo(aiTextureMapping _type) |
| : type (_type) |
| , axis (0.f,1.f,0.f) |
| , uv (0u) |
| {} |
| |
| aiTextureMapping type; |
| aiVector3D axis; |
| unsigned int uv; |
| |
| bool operator== (const MappingInfo& other) |
| { |
| return type == other.type && axis == other.axis; |
| } |
| }; |
| }; |
| |
| } // end of namespace Assimp |
| |
| #endif // AI_COMPUTEUVMAPPING_H_INC |