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 XGLLoader.h
nuclear@0:  *  @brief Declaration of the .xgl/.zgl
nuclear@0:  */
nuclear@0: #ifndef AI_XGLLOADER_H_INCLUDED
nuclear@0: #define AI_XGLLOADER_H_INCLUDED
nuclear@0: 
nuclear@0: #include "BaseImporter.h"
nuclear@0: #include "irrXMLWrapper.h"
nuclear@0: #include "LogAux.h"
nuclear@0: 
nuclear@0: namespace Assimp	{
nuclear@0: 
nuclear@0: // ---------------------------------------------------------------------------
nuclear@0: /** XGL/ZGL importer.
nuclear@0:  *
nuclear@0:  * Spec: http://vizstream.aveva.com/release/vsplatform/XGLSpec.htm
nuclear@0:  */
nuclear@0: class XGLImporter : public BaseImporter, public LogFunctions<XGLImporter>
nuclear@0: {
nuclear@0: public:
nuclear@0: 
nuclear@0: 	XGLImporter();
nuclear@0: 	~XGLImporter();
nuclear@0: 
nuclear@0: 
nuclear@0: public:
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** Returns whether the class can handle the format of the given file. 
nuclear@0: 	 *  See BaseImporter::CanRead() for details.	*/
nuclear@0: 	bool CanRead( const std::string& pFile, IOSystem* pIOHandler,
nuclear@0: 		bool checkSig) const;
nuclear@0: 
nuclear@0: protected:
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** Return importer meta information.
nuclear@0: 	 * See #BaseImporter::GetInfo for the details  */
nuclear@0: 	const aiImporterDesc* GetInfo () const;
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** Imports the given file into the given scene structure. 
nuclear@0: 	 * See BaseImporter::InternReadFile() for details */
nuclear@0: 	void InternReadFile( const std::string& pFile, aiScene* pScene, 
nuclear@0: 		IOSystem* pIOHandler);
nuclear@0: 
nuclear@0: private:
nuclear@0: 
nuclear@0: 	struct TempScope
nuclear@0: 	{
nuclear@0: 		TempScope()
nuclear@0: 			: light()
nuclear@0: 		{}
nuclear@0: 
nuclear@0: 		~TempScope()
nuclear@0: 		{
nuclear@0: 			BOOST_FOREACH(aiMesh* m, meshes_linear) {
nuclear@0: 				delete m;
nuclear@0: 			}
nuclear@0: 
nuclear@0: 			BOOST_FOREACH(aiMaterial* m, materials_linear) {
nuclear@0: 				delete m;
nuclear@0: 			}
nuclear@0: 
nuclear@0: 			delete light;
nuclear@0: 		}
nuclear@0: 
nuclear@0: 		void dismiss() {
nuclear@0: 			light = NULL;
nuclear@0: 			meshes_linear.clear();
nuclear@0: 			materials_linear.clear();
nuclear@0: 			meshes.clear();
nuclear@0: 			materials.clear();
nuclear@0: 		}
nuclear@0: 
nuclear@0: 		std::multimap<unsigned int, aiMesh*> meshes;
nuclear@0: 		std::map<unsigned int, aiMaterial*> materials;
nuclear@0: 
nuclear@0: 		std::vector<aiMesh*> meshes_linear;
nuclear@0: 		std::vector<aiMaterial*> materials_linear;
nuclear@0: 
nuclear@0: 		aiLight* light;
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	struct TempMesh
nuclear@0: 	{
nuclear@0: 		std::map<unsigned int, aiVector3D> points;
nuclear@0: 		std::map<unsigned int, aiVector3D> normals;
nuclear@0: 		std::map<unsigned int, aiVector2D> uvs;
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	struct TempMaterialMesh
nuclear@0: 	{
nuclear@0: 		TempMaterialMesh()
nuclear@0: 			: pflags()
nuclear@0: 			, matid()
nuclear@0: 		{}
nuclear@0: 
nuclear@0: 		std::vector<aiVector3D> positions, normals;
nuclear@0: 		std::vector<aiVector2D> uvs;
nuclear@0: 
nuclear@0: 		std::vector<unsigned int> vcounts;
nuclear@0: 		unsigned int pflags;
nuclear@0: 		unsigned int matid;
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	struct TempFace
nuclear@0: 	{
nuclear@0: 		TempFace()
nuclear@0: 			: has_uv()
nuclear@0: 			, has_normal()
nuclear@0: 		{}
nuclear@0: 
nuclear@0: 		aiVector3D pos;
nuclear@0: 		aiVector3D normal;
nuclear@0: 		aiVector2D uv;
nuclear@0: 		bool has_uv;
nuclear@0: 		bool has_normal;
nuclear@0: 	};
nuclear@0: 
nuclear@0: private:
nuclear@0: 
nuclear@0: 	void Cleanup();
nuclear@0: 
nuclear@0: 	std::string GetElementName();
nuclear@0: 	bool ReadElement();
nuclear@0: 	bool ReadElementUpToClosing(const char* closetag);
nuclear@0: 	bool SkipToText();
nuclear@0: 	unsigned int ReadIDAttr();
nuclear@0: 
nuclear@0: 	void ReadWorld(TempScope& scope);
nuclear@0: 	void ReadLighting(TempScope& scope);
nuclear@0: 	aiLight* ReadDirectionalLight();
nuclear@0: 	aiNode* ReadObject(TempScope& scope,bool skipFirst = false,const char* closetag = "object");
nuclear@0: 	bool ReadMesh(TempScope& scope);
nuclear@0: 	void ReadMaterial(TempScope& scope);
nuclear@0: 	aiVector2D ReadVec2();
nuclear@0: 	aiVector3D ReadVec3();
nuclear@0: 	aiColor3D ReadCol3();
nuclear@0: 	aiMatrix4x4 ReadTrafo();
nuclear@0: 	unsigned int ReadIndexFromText();
nuclear@0: 	float ReadFloat();
nuclear@0: 
nuclear@0: 	aiMesh* ToOutputMesh(const TempMaterialMesh& m);
nuclear@0: 	void ReadFaceVertex(const TempMesh& t, TempFace& out);
nuclear@0: 	unsigned int ResolveMaterialRef(TempScope& scope);
nuclear@0: 
nuclear@0: private:
nuclear@0: 
nuclear@0: 
nuclear@0: private:
nuclear@0: 
nuclear@0: 	irr::io::IrrXMLReader* reader;
nuclear@0: 	aiScene* scene;
nuclear@0: };
nuclear@0: 
nuclear@0: } // end of namespace Assimp
nuclear@0: 
nuclear@0: #endif // AI_IRRMESHIMPORTER_H_INC