nuclear@0: /* nuclear@0: Open Asset Import Library (assimp) nuclear@0: ---------------------------------------------------------------------- nuclear@0: nuclear@0: Copyright (c) 2006-2012, assimp team nuclear@0: All rights reserved. nuclear@0: nuclear@0: Redistribution and use of this software in source and binary forms, nuclear@0: with or without modification, are permitted provided that the nuclear@0: following conditions are met: nuclear@0: nuclear@0: * Redistributions of source code must retain the above nuclear@0: copyright notice, this list of conditions and the nuclear@0: following disclaimer. nuclear@0: nuclear@0: * Redistributions in binary form must reproduce the above nuclear@0: copyright notice, this list of conditions and the nuclear@0: following disclaimer in the documentation and/or other nuclear@0: materials provided with the distribution. nuclear@0: nuclear@0: * Neither the name of the assimp team, nor the names of its nuclear@0: contributors may be used to endorse or promote products nuclear@0: derived from this software without specific prior nuclear@0: written permission of the assimp team. nuclear@0: nuclear@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS nuclear@0: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT nuclear@0: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR nuclear@0: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT nuclear@0: OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, nuclear@0: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT nuclear@0: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, nuclear@0: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY nuclear@0: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT nuclear@0: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE nuclear@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. nuclear@0: nuclear@0: ---------------------------------------------------------------------- nuclear@0: */ nuclear@0: nuclear@0: /** @file Defines a post processing step to compute UV coordinates nuclear@0: from abstract mappings, such as box or spherical*/ nuclear@0: #ifndef AI_COMPUTEUVMAPPING_H_INC nuclear@0: #define AI_COMPUTEUVMAPPING_H_INC nuclear@0: nuclear@0: #include "BaseProcess.h" nuclear@0: #include "assimp/mesh.h" nuclear@0: nuclear@0: class ComputeUVMappingTest; nuclear@0: namespace Assimp nuclear@0: { nuclear@0: nuclear@0: // --------------------------------------------------------------------------- nuclear@0: /** ComputeUVMappingProcess - converts special mappings, such as spherical, nuclear@0: * cylindrical or boxed to proper UV coordinates for rendering. nuclear@0: */ nuclear@0: class ComputeUVMappingProcess : public BaseProcess nuclear@0: { nuclear@0: public: nuclear@0: ComputeUVMappingProcess(); nuclear@0: ~ComputeUVMappingProcess(); nuclear@0: nuclear@0: public: nuclear@0: nuclear@0: // ------------------------------------------------------------------- nuclear@0: /** Returns whether the processing step is present in the given flag field. nuclear@0: * @param pFlags The processing flags the importer was called with. A bitwise nuclear@0: * combination of #aiPostProcessSteps. nuclear@0: * @return true if the process is present in this flag fields, false if not. nuclear@0: */ nuclear@0: bool IsActive( unsigned int pFlags) const; nuclear@0: nuclear@0: // ------------------------------------------------------------------- nuclear@0: /** Executes the post processing step on the given imported data. nuclear@0: * At the moment a process is not supposed to fail. nuclear@0: * @param pScene The imported data to work at. nuclear@0: */ nuclear@0: void Execute( aiScene* pScene); nuclear@0: nuclear@0: protected: nuclear@0: nuclear@0: // ------------------------------------------------------------------- nuclear@0: /** Computes spherical UV coordinates for a mesh nuclear@0: * nuclear@0: * @param mesh Mesh to be processed nuclear@0: * @param axis Main axis nuclear@0: * @param out Receives output UV coordinates nuclear@0: */ nuclear@0: void ComputeSphereMapping(aiMesh* mesh,const aiVector3D& axis, nuclear@0: aiVector3D* out); nuclear@0: nuclear@0: // ------------------------------------------------------------------- nuclear@0: /** Computes cylindrical UV coordinates for a mesh nuclear@0: * nuclear@0: * @param mesh Mesh to be processed nuclear@0: * @param axis Main axis nuclear@0: * @param out Receives output UV coordinates nuclear@0: */ nuclear@0: void ComputeCylinderMapping(aiMesh* mesh,const aiVector3D& axis, nuclear@0: aiVector3D* out); nuclear@0: nuclear@0: // ------------------------------------------------------------------- nuclear@0: /** Computes planar UV coordinates for a mesh nuclear@0: * nuclear@0: * @param mesh Mesh to be processed nuclear@0: * @param axis Main axis nuclear@0: * @param out Receives output UV coordinates nuclear@0: */ nuclear@0: void ComputePlaneMapping(aiMesh* mesh,const aiVector3D& axis, nuclear@0: aiVector3D* out); nuclear@0: nuclear@0: // ------------------------------------------------------------------- nuclear@0: /** Computes cubic UV coordinates for a mesh nuclear@0: * nuclear@0: * @param mesh Mesh to be processed nuclear@0: * @param out Receives output UV coordinates nuclear@0: */ nuclear@0: void ComputeBoxMapping(aiMesh* mesh, aiVector3D* out); nuclear@0: nuclear@0: private: nuclear@0: nuclear@0: // temporary structure to describe a mapping nuclear@0: struct MappingInfo nuclear@0: { nuclear@0: MappingInfo(aiTextureMapping _type) nuclear@0: : type (_type) nuclear@0: , axis (0.f,1.f,0.f) nuclear@0: , uv (0u) nuclear@0: {} nuclear@0: nuclear@0: aiTextureMapping type; nuclear@0: aiVector3D axis; nuclear@0: unsigned int uv; nuclear@0: nuclear@0: bool operator== (const MappingInfo& other) nuclear@0: { nuclear@0: return type == other.type && axis == other.axis; nuclear@0: } nuclear@0: }; nuclear@0: }; nuclear@0: nuclear@0: } // end of namespace Assimp nuclear@0: nuclear@0: #endif // AI_COMPUTEUVMAPPING_H_INC