| /* |
| 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 XGLLoader.h |
| * @brief Declaration of the .xgl/.zgl |
| */ |
| #ifndef AI_XGLLOADER_H_INCLUDED |
| #define AI_XGLLOADER_H_INCLUDED |
| |
| #include "BaseImporter.h" |
| #include "irrXMLWrapper.h" |
| #include "LogAux.h" |
| #include <assimp/material.h> |
| #include <assimp/Importer.hpp> |
| #include <assimp/mesh.h> |
| #include <assimp/light.h> |
| #include <memory> |
| #include <map> |
| |
| struct aiNode; |
| |
| namespace Assimp { |
| |
| // --------------------------------------------------------------------------- |
| /** XGL/ZGL importer. |
| * |
| * Spec: http://vizstream.aveva.com/release/vsplatform/XGLSpec.htm |
| */ |
| class XGLImporter : public BaseImporter, public LogFunctions<XGLImporter> |
| { |
| public: |
| |
| XGLImporter(); |
| ~XGLImporter(); |
| |
| |
| public: |
| |
| // ------------------------------------------------------------------- |
| /** Returns whether the class can handle the format of the given file. |
| * See BaseImporter::CanRead() for details. */ |
| bool CanRead( const std::string& pFile, IOSystem* pIOHandler, |
| bool checkSig) const; |
| |
| protected: |
| |
| // ------------------------------------------------------------------- |
| /** Return importer meta information. |
| * See #BaseImporter::GetInfo for the details */ |
| const aiImporterDesc* GetInfo () const; |
| |
| // ------------------------------------------------------------------- |
| /** Imports the given file into the given scene structure. |
| * See BaseImporter::InternReadFile() for details */ |
| void InternReadFile( const std::string& pFile, aiScene* pScene, |
| IOSystem* pIOHandler); |
| |
| private: |
| |
| |
| struct TempScope |
| { |
| TempScope() |
| : light() |
| {} |
| |
| ~TempScope() |
| { |
| for(aiMesh* m : meshes_linear) { |
| delete m; |
| } |
| |
| for(aiMaterial* m : materials_linear) { |
| delete m; |
| } |
| |
| delete light; |
| } |
| |
| void dismiss() { |
| light = NULL; |
| meshes_linear.clear(); |
| materials_linear.clear(); |
| meshes.clear(); |
| materials.clear(); |
| } |
| |
| std::multimap<unsigned int, aiMesh*> meshes; |
| std::map<unsigned int, aiMaterial*> materials; |
| |
| std::vector<aiMesh*> meshes_linear; |
| std::vector<aiMaterial*> materials_linear; |
| |
| aiLight* light; |
| }; |
| |
| |
| struct SortMeshByMaterialId { |
| SortMeshByMaterialId(const TempScope& scope) : scope(scope) {} |
| bool operator()(unsigned int a, unsigned int b) const { |
| return scope.meshes_linear[a]->mMaterialIndex < scope.meshes_linear[b]->mMaterialIndex; |
| }; |
| |
| const TempScope& scope; |
| }; |
| |
| struct TempMesh |
| { |
| std::map<unsigned int, aiVector3D> points; |
| std::map<unsigned int, aiVector3D> normals; |
| std::map<unsigned int, aiVector2D> uvs; |
| }; |
| |
| struct TempMaterialMesh |
| { |
| TempMaterialMesh() |
| : pflags() |
| , matid() |
| {} |
| |
| std::vector<aiVector3D> positions, normals; |
| std::vector<aiVector2D> uvs; |
| |
| std::vector<unsigned int> vcounts; |
| unsigned int pflags; |
| unsigned int matid; |
| }; |
| |
| struct TempFace |
| { |
| TempFace() |
| : has_uv() |
| , has_normal() |
| {} |
| |
| aiVector3D pos; |
| aiVector3D normal; |
| aiVector2D uv; |
| bool has_uv; |
| bool has_normal; |
| }; |
| |
| private: |
| |
| void Cleanup(); |
| |
| std::string GetElementName(); |
| bool ReadElement(); |
| bool ReadElementUpToClosing(const char* closetag); |
| bool SkipToText(); |
| unsigned int ReadIDAttr(); |
| |
| void ReadWorld(TempScope& scope); |
| void ReadLighting(TempScope& scope); |
| aiLight* ReadDirectionalLight(); |
| aiNode* ReadObject(TempScope& scope,bool skipFirst = false,const char* closetag = "object"); |
| bool ReadMesh(TempScope& scope); |
| void ReadMaterial(TempScope& scope); |
| aiVector2D ReadVec2(); |
| aiVector3D ReadVec3(); |
| aiColor3D ReadCol3(); |
| aiMatrix4x4 ReadTrafo(); |
| unsigned int ReadIndexFromText(); |
| float ReadFloat(); |
| |
| aiMesh* ToOutputMesh(const TempMaterialMesh& m); |
| void ReadFaceVertex(const TempMesh& t, TempFace& out); |
| unsigned int ResolveMaterialRef(TempScope& scope); |
| |
| private: |
| std::shared_ptr<irr::io::IrrXMLReader> m_reader; |
| aiScene* m_scene; |
| }; |
| |
| } // end of namespace Assimp |
| |
| #endif // AI_IRRMESHIMPORTER_H_INC |