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+/*
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+Open Asset Import Library (ASSIMP)
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+----------------------------------------------------------------------
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+
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+Copyright (c) 2006-2010, ASSIMP Development Team
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+All rights reserved.
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+
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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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+
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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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+
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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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+
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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 Development Team.
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+
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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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+*/
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+
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+#include "AssimpPCH.h"
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+
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+#if !defined(ASSIMP_BUILD_NO_EXPORT) && !defined(ASSIMP_BUILD_NO_STL_EXPORTER)
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+
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+#include "STLExporter.h"
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+#include "../include/aiVersion.h"
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+
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+using namespace Assimp;
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+namespace Assimp {
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+
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+// ------------------------------------------------------------------------------------------------
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+// Worker function for exporting a scene to Stereolithograpy. Prototyped and registered in Exporter.cpp
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+void ExportSceneSTL(const char* pFile,IOSystem* pIOSystem, const aiScene* pScene)
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+{
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+ // invoke the exporter
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+ STLExporter exporter(pFile, pScene);
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+
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+ // we're still here - export successfully completed. Write the file.
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+ boost::scoped_ptr<IOStream> outfile (pIOSystem->Open(pFile,"wt"));
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+ outfile->Write( exporter.mOutput.str().c_str(), static_cast<size_t>(exporter.mOutput.tellp()),1);
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+}
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+
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+} // end of namespace Assimp
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+
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+
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+// ------------------------------------------------------------------------------------------------
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+STLExporter :: STLExporter(const char* _filename, const aiScene* pScene)
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+: filename(_filename)
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+, pScene(pScene)
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+, endl("\n")
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+{
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+ // make sure that all formatting happens using the standard, C locale and not the user's current locale
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+ const std::locale& l = std::locale("C");
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+ mOutput.imbue(l);
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+
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+ const std::string& name = "AssimpScene";
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+
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+ mOutput << "solid " << name << endl;
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+ for(unsigned int i = 0; i < pScene->mNumMeshes; ++i) {
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+ WriteMesh(pScene->mMeshes[i]);
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+ }
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+ mOutput << "endsolid " << name << endl;
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+}
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+
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+// ------------------------------------------------------------------------------------------------
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+void STLExporter :: WriteMesh(const aiMesh* m)
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+{
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+ for (unsigned int i = 0; i < m->mNumFaces; ++i) {
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+ const aiFace& f = m->mFaces[i];
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+
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+ // we need per-face normals. We specified aiProcess_GenNormals as pre-requisite for this exporter,
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+ // but nonetheless we have to expect per-vertex normals.
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+ aiVector3D nor;
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+ if (m->mNormals) {
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+ for(unsigned int a = 0; a < f.mNumIndices; ++a) {
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+ nor += m->mNormals[f.mIndices[a]];
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+ }
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+ nor.Normalize();
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+ }
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+ mOutput << " facet normal " << nor.x << " " << nor.y << " " << nor.z << endl;
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+ mOutput << " outer loop" << endl;
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+ for(unsigned int a = 0; a < f.mNumIndices; ++a) {
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+ const aiVector3D& v = m->mVertices[f.mIndices[a]];
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+ mOutput << " vertex " << v.x << " " << v.y << " " << v.z << endl;
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+ }
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+
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+ mOutput << " endloop" << endl;
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+ mOutput << " endfacet" << endl << endl;
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+ }
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+}
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+
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+#endif
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aramis_acg