129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2024, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/** @file PbrtExporter.h
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* Declares the exporter class to write a scene to a pbrt file
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*/
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#ifndef AI_PBRTEXPORTER_H_INC
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#define AI_PBRTEXPORTER_H_INC
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#ifndef ASSIMP_BUILD_NO_PBRT_EXPORTER
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#include <assimp/types.h>
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#include <assimp/StreamWriter.h>
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#include <assimp/Exceptional.h>
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#include <map>
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#include <set>
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#include <string>
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#include <sstream>
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struct aiScene;
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struct aiNode;
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struct aiMaterial;
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struct aiMesh;
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namespace Assimp {
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class IOSystem;
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class IOStream;
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class ExportProperties;
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// ---------------------------------------------------------------------
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/** Helper class to export a given scene to a Pbrt file. */
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// ---------------------------------------------------------------------
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class PbrtExporter {
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public:
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/// Constructor for a specific scene to export
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PbrtExporter(const aiScene *pScene, IOSystem *pIOSystem,
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const std::string &path, const std::string &file);
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/// Destructor
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virtual ~PbrtExporter() = default;
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private:
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aiMatrix4x4 GetNodeTransform(const aiString &name) const;
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static std::string TransformAsString(const aiMatrix4x4 &m);
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static std::string RemoveSuffix(std::string filename);
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std::string CleanTextureFilename(const aiString &f, bool rewriteExtension = true) const;
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void WriteMetaData();
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void WriteWorldDefinition();
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void WriteCameras();
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void WriteCamera(int i);
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void WriteLights();
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void WriteTextures();
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static bool TextureHasAlphaMask(const std::string &filename);
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void WriteMaterials();
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void WriteMaterial(int i);
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void WriteMesh(aiMesh *mesh);
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void WriteInstanceDefinition(int i);
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void WriteGeometricObjects(aiNode *node, aiMatrix4x4 parentTransform,
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std::map<int, int> &meshUses);
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private:
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// the scene to export
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const aiScene* mScene;
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/// Stringstream to write all output into
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std::stringstream mOutput;
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/// The IOSystem for output
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IOSystem* mIOSystem;
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/// Path of the directory where the scene will be exported
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const std::string mPath;
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/// Name of the file (without extension) where the scene will be exported
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const std::string mFile;
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// A private set to keep track of which textures have been declared
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std::set<std::string> mTextureSet;
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// Transform to apply to the root node and all root objects such as cameras, lights, etc.
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aiMatrix4x4 mRootTransform;
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};
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} // namespace Assimp
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#endif // ASSIMP_BUILD_NO_PBRT_EXPORTER
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#endif // AI_PBRTEXPORTER_H_INC
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