2020-04-06 19:12:37 +00:00
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/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2020, 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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#ifndef ASSIMP_BUILD_NO_EXPORT
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#ifndef ASSIMP_BUILD_NO_PBRT_EXPORTER
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#include "PbrtExporter.h"
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#include <assimp/version.h> // aiGetVersion
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#include <assimp/DefaultIOSystem.h>
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#include <assimp/IOSystem.hpp>
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#include <assimp/Exporter.hpp>
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#include <assimp/DefaultLogger.hpp>
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#include <assimp/StreamWriter.h> // StreamWriterLE
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#include <assimp/Exceptional.h> // DeadlyExportError
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#include <assimp/material.h> // aiTextureType
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#include <assimp/scene.h>
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#include <assimp/mesh.h>
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// Header files, standard library.
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#include <memory> // shared_ptr
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#include <string>
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#include <sstream> // stringstream
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#include <ctime> // localtime, tm_*
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#include <map>
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#include <set>
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#include <vector>
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#include <array>
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#include <unordered_set>
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#include <numeric>
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using namespace Assimp;
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// some constants that we'll use for writing metadata
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namespace Assimp {
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// ---------------------------------------------------------------------
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// Worker function for exporting a scene to ascii pbrt.
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// Prototyped and registered in Exporter.cpp
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void ExportScenePbrt (
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const char* pFile,
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IOSystem* pIOSystem,
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const aiScene* pScene,
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const ExportProperties* pProperties
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){
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std::string path = DefaultIOSystem::absolutePath(std::string(pFile));
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std::string file = DefaultIOSystem::completeBaseName(std::string(pFile));
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// initialize the exporter
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PbrtExporter exporter(pScene, pIOSystem, path, file);
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}
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} // end of namespace Assimp
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// Constructor
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PbrtExporter::PbrtExporter (
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const aiScene* pScene, IOSystem* pIOSystem,
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const std::string path, const std::string file)
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: mScene(pScene),
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mIOSystem(pIOSystem),
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mPath(path),
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mFile(file)
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{
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std::unique_ptr<IOStream> outfile;
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2020-04-08 20:29:03 +00:00
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// Open the indicated file for writing
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2020-04-06 19:12:37 +00:00
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outfile.reset(mIOSystem->Open(mPath,"wt"));
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if (!outfile) {
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throw DeadlyExportError(
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"could not open output .pbrt file: " + std::string(mFile)
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);
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}
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2020-04-08 20:29:03 +00:00
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// Write Header
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WriteHeader();
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// Write metadata to file
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WriteMetaData();
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// Write preamble
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WritePreamble();
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// Write World Description
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WriteWorldDefinition();
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// Write out to file
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outfile->Write(mOutput.str().c_str(),
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mOutput.str().length(), 1);
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2020-04-06 19:12:37 +00:00
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// explicitly release file pointer,
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// so we don't have to rely on class destruction.
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outfile.reset();
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}
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// Destructor
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PbrtExporter::~PbrtExporter() {
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// Empty
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}
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2020-04-08 20:29:03 +00:00
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void PbrtExporter::WriteHeader() {
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}
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void PbrtExporter::WriteMetaData() {
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mOutput << "# Writing out scene metadata:" << std::endl;
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aiMetadata* pMetaData = mScene->mMetaData;
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for (int i = 0; i < pMetaData->mNumProperties; i++) {
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mOutput << "# - ";
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mOutput << pMetaData->mKeys[i].C_Str() << " :";
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switch(pMetaData->mValues[i].mType) {
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case AI_BOOL : {
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mOutput << " ";
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if (*static_cast<bool*>(pMetaData->mValues[i].mData))
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mOutput << "TRUE" << std::endl;
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else
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mOutput << "FALSE" << std::endl;
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break;
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}
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case AI_INT32 : {
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mOutput << " " <<
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*static_cast<int32_t*>(pMetaData->mValues[i].mData) <<
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std::endl;
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break;
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}
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case AI_UINT64 :
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mOutput << " " <<
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*static_cast<uint64_t*>(pMetaData->mValues[i].mData) <<
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std::endl;
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break;
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case AI_FLOAT :
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mOutput << " " <<
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*static_cast<float*>(pMetaData->mValues[i].mData) <<
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std::endl;
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break;
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case AI_DOUBLE :
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mOutput << " " <<
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*static_cast<double*>(pMetaData->mValues[i].mData) <<
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std::endl;
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break;
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case AI_AISTRING : {
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aiString* value =
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static_cast<aiString*>(pMetaData->mValues[i].mData);
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std::string svalue = value->C_Str();
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std::size_t found = svalue.find_first_of("\n");
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mOutput << std::endl;
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while (found != std::string::npos) {
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mOutput << "# " << svalue.substr(0, found) << std::endl;
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svalue = svalue.substr(found + 1);
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found = svalue.find_first_of("\n");
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}
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mOutput << "# " << svalue << std::endl;
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break;
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}
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case AI_AIVECTOR3D :
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break;
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}
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mOutput << std::endl;
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}
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}
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void PbrtExporter::WritePreamble() {
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}
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void PbrtExporter::WriteWorldDefinition() {
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}
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2020-04-06 19:12:37 +00:00
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#endif // ASSIMP_BUILD_NO_PBRT_EXPORTER
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#endif // ASSIMP_BUILD_NO_EXPORT
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