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Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Postprocess.cpp')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Postprocess.cpp | 731 |
1 files changed, 731 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Postprocess.cpp b/src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Postprocess.cpp new file mode 100644 index 0000000..87121ef --- /dev/null +++ b/src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Postprocess.cpp @@ -0,0 +1,731 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2019, 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 X3DImporter_Postprocess.cpp +/// \brief Convert built scenegraph and objects to Assimp scenegraph. +/// \date 2015-2016 +/// \author smal.root@gmail.com + +#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER + +#include "X3DGeoHelper.h" +#include "X3DImporter.hpp" + +// Header files, Assimp. +#include <assimp/StandardShapes.h> +#include <assimp/StringUtils.h> +#include <assimp/ai_assert.h> + +// Header files, stdlib. +#include <algorithm> +#include <iterator> +#include <string> + +namespace Assimp { + +aiMatrix4x4 X3DImporter::PostprocessHelper_Matrix_GlobalToCurrent() const { + X3DNodeElementBase *cur_node; + std::list<aiMatrix4x4> matr; + aiMatrix4x4 out_matr; + + // starting walk from current element to root + cur_node = mNodeElementCur; + if (cur_node != nullptr) { + do { + // if cur_node is group then store group transformation matrix in list. + if (cur_node->Type == X3DElemType::ENET_Group) matr.push_back(((X3DNodeElementGroup *)cur_node)->Transformation); + + cur_node = cur_node->Parent; + } while (cur_node != nullptr); + } + + // multiplicate all matrices in reverse order + for (std::list<aiMatrix4x4>::reverse_iterator rit = matr.rbegin(); rit != matr.rend(); ++rit) + out_matr = out_matr * (*rit); + + return out_matr; +} + +void X3DImporter::PostprocessHelper_CollectMetadata(const X3DNodeElementBase &pNodeElement, std::list<X3DNodeElementBase *> &pList) const { + // walk through childs and find for metadata. + for (std::list<X3DNodeElementBase *>::const_iterator el_it = pNodeElement.Children.begin(); el_it != pNodeElement.Children.end(); ++el_it) { + if (((*el_it)->Type == X3DElemType::ENET_MetaBoolean) || ((*el_it)->Type == X3DElemType::ENET_MetaDouble) || + ((*el_it)->Type == X3DElemType::ENET_MetaFloat) || ((*el_it)->Type == X3DElemType::ENET_MetaInteger) || + ((*el_it)->Type == X3DElemType::ENET_MetaString)) { + pList.push_back(*el_it); + } else if ((*el_it)->Type == X3DElemType::ENET_MetaSet) { + PostprocessHelper_CollectMetadata(**el_it, pList); + } + } // for(std::list<X3DNodeElementBase*>::const_iterator el_it = pNodeElement.Children.begin(); el_it != pNodeElement.Children.end(); el_it++) +} + +bool X3DImporter::PostprocessHelper_ElementIsMetadata(const X3DElemType pType) const { + if ((pType == X3DElemType::ENET_MetaBoolean) || (pType == X3DElemType::ENET_MetaDouble) || + (pType == X3DElemType::ENET_MetaFloat) || (pType == X3DElemType::ENET_MetaInteger) || + (pType == X3DElemType::ENET_MetaString) || (pType == X3DElemType::ENET_MetaSet)) { + return true; + } else { + return false; + } +} + +bool X3DImporter::PostprocessHelper_ElementIsMesh(const X3DElemType pType) const { + if ((pType == X3DElemType::ENET_Arc2D) || (pType == X3DElemType::ENET_ArcClose2D) || + (pType == X3DElemType::ENET_Box) || (pType == X3DElemType::ENET_Circle2D) || + (pType == X3DElemType::ENET_Cone) || (pType == X3DElemType::ENET_Cylinder) || + (pType == X3DElemType::ENET_Disk2D) || (pType == X3DElemType::ENET_ElevationGrid) || + (pType == X3DElemType::ENET_Extrusion) || (pType == X3DElemType::ENET_IndexedFaceSet) || + (pType == X3DElemType::ENET_IndexedLineSet) || (pType == X3DElemType::ENET_IndexedTriangleFanSet) || + (pType == X3DElemType::ENET_IndexedTriangleSet) || (pType == X3DElemType::ENET_IndexedTriangleStripSet) || + (pType == X3DElemType::ENET_PointSet) || (pType == X3DElemType::ENET_LineSet) || + (pType == X3DElemType::ENET_Polyline2D) || (pType == X3DElemType::ENET_Polypoint2D) || + (pType == X3DElemType::ENET_Rectangle2D) || (pType == X3DElemType::ENET_Sphere) || + (pType == X3DElemType::ENET_TriangleFanSet) || (pType == X3DElemType::ENET_TriangleSet) || + (pType == X3DElemType::ENET_TriangleSet2D) || (pType == X3DElemType::ENET_TriangleStripSet)) { + return true; + } else { + return false; + } +} + +void X3DImporter::Postprocess_BuildLight(const X3DNodeElementBase &pNodeElement, std::list<aiLight *> &pSceneLightList) const { + const X3DNodeElementLight &ne = *((X3DNodeElementLight *)&pNodeElement); + aiMatrix4x4 transform_matr = PostprocessHelper_Matrix_GlobalToCurrent(); + aiLight *new_light = new aiLight; + + new_light->mName = ne.ID; + new_light->mColorAmbient = ne.Color * ne.AmbientIntensity; + new_light->mColorDiffuse = ne.Color * ne.Intensity; + new_light->mColorSpecular = ne.Color * ne.Intensity; + switch (pNodeElement.Type) { + case X3DElemType::ENET_DirectionalLight: + new_light->mType = aiLightSource_DIRECTIONAL; + new_light->mDirection = ne.Direction, new_light->mDirection *= transform_matr; + + break; + case X3DElemType::ENET_PointLight: + new_light->mType = aiLightSource_POINT; + new_light->mPosition = ne.Location, new_light->mPosition *= transform_matr; + new_light->mAttenuationConstant = ne.Attenuation.x; + new_light->mAttenuationLinear = ne.Attenuation.y; + new_light->mAttenuationQuadratic = ne.Attenuation.z; + + break; + case X3DElemType::ENET_SpotLight: + new_light->mType = aiLightSource_SPOT; + new_light->mPosition = ne.Location, new_light->mPosition *= transform_matr; + new_light->mDirection = ne.Direction, new_light->mDirection *= transform_matr; + new_light->mAttenuationConstant = ne.Attenuation.x; + new_light->mAttenuationLinear = ne.Attenuation.y; + new_light->mAttenuationQuadratic = ne.Attenuation.z; + new_light->mAngleInnerCone = ne.BeamWidth; + new_light->mAngleOuterCone = ne.CutOffAngle; + + break; + default: + throw DeadlyImportError("Postprocess_BuildLight. Unknown type of light: " + ai_to_string(pNodeElement.Type) + "."); + } + + pSceneLightList.push_back(new_light); +} + +void X3DImporter::Postprocess_BuildMaterial(const X3DNodeElementBase &pNodeElement, aiMaterial **pMaterial) const { + // check argument + if (pMaterial == nullptr) throw DeadlyImportError("Postprocess_BuildMaterial. pMaterial is nullptr."); + if (*pMaterial != nullptr) throw DeadlyImportError("Postprocess_BuildMaterial. *pMaterial must be nullptr."); + + *pMaterial = new aiMaterial; + aiMaterial &taimat = **pMaterial; // creating alias for convenience. + + // at this point pNodeElement point to <Appearance> node. Walk through childs and add all stored data. + for (std::list<X3DNodeElementBase *>::const_iterator el_it = pNodeElement.Children.begin(); el_it != pNodeElement.Children.end(); ++el_it) { + if ((*el_it)->Type == X3DElemType::ENET_Material) { + aiColor3D tcol3; + float tvalf; + X3DNodeElementMaterial &tnemat = *((X3DNodeElementMaterial *)*el_it); + + tcol3.r = tnemat.AmbientIntensity, tcol3.g = tnemat.AmbientIntensity, tcol3.b = tnemat.AmbientIntensity; + taimat.AddProperty(&tcol3, 1, AI_MATKEY_COLOR_AMBIENT); + taimat.AddProperty(&tnemat.DiffuseColor, 1, AI_MATKEY_COLOR_DIFFUSE); + taimat.AddProperty(&tnemat.EmissiveColor, 1, AI_MATKEY_COLOR_EMISSIVE); + taimat.AddProperty(&tnemat.SpecularColor, 1, AI_MATKEY_COLOR_SPECULAR); + tvalf = 1; + taimat.AddProperty(&tvalf, 1, AI_MATKEY_SHININESS_STRENGTH); + taimat.AddProperty(&tnemat.Shininess, 1, AI_MATKEY_SHININESS); + tvalf = 1.0f - tnemat.Transparency; + taimat.AddProperty(&tvalf, 1, AI_MATKEY_OPACITY); + } // if((*el_it)->Type == X3DElemType::ENET_Material) + else if ((*el_it)->Type == X3DElemType::ENET_ImageTexture) { + X3DNodeElementImageTexture &tnetex = *((X3DNodeElementImageTexture *)*el_it); + aiString url_str(tnetex.URL.c_str()); + int mode = aiTextureOp_Multiply; + + taimat.AddProperty(&url_str, AI_MATKEY_TEXTURE_DIFFUSE(0)); + taimat.AddProperty(&tnetex.RepeatS, 1, AI_MATKEY_MAPPINGMODE_U_DIFFUSE(0)); + taimat.AddProperty(&tnetex.RepeatT, 1, AI_MATKEY_MAPPINGMODE_V_DIFFUSE(0)); + taimat.AddProperty(&mode, 1, AI_MATKEY_TEXOP_DIFFUSE(0)); + } // else if((*el_it)->Type == X3DElemType::ENET_ImageTexture) + else if ((*el_it)->Type == X3DElemType::ENET_TextureTransform) { + aiUVTransform trans; + X3DNodeElementTextureTransform &tnetextr = *((X3DNodeElementTextureTransform *)*el_it); + + trans.mTranslation = tnetextr.Translation - tnetextr.Center; + trans.mScaling = tnetextr.Scale; + trans.mRotation = tnetextr.Rotation; + taimat.AddProperty(&trans, 1, AI_MATKEY_UVTRANSFORM_DIFFUSE(0)); + } // else if((*el_it)->Type == X3DElemType::ENET_TextureTransform) + } // for(std::list<X3DNodeElementBase*>::const_iterator el_it = pNodeElement.Children.begin(); el_it != pNodeElement.Children.end(); el_it++) +} + +void X3DImporter::Postprocess_BuildMesh(const X3DNodeElementBase &pNodeElement, aiMesh **pMesh) const { + // check argument + if (pMesh == nullptr) throw DeadlyImportError("Postprocess_BuildMesh. pMesh is nullptr."); + if (*pMesh != nullptr) throw DeadlyImportError("Postprocess_BuildMesh. *pMesh must be nullptr."); + + /************************************************************************************************************************************/ + /************************************************************ Geometry2D ************************************************************/ + /************************************************************************************************************************************/ + if ((pNodeElement.Type == X3DElemType::ENET_Arc2D) || (pNodeElement.Type == X3DElemType::ENET_ArcClose2D) || + (pNodeElement.Type == X3DElemType::ENET_Circle2D) || (pNodeElement.Type == X3DElemType::ENET_Disk2D) || + (pNodeElement.Type == X3DElemType::ENET_Polyline2D) || (pNodeElement.Type == X3DElemType::ENET_Polypoint2D) || + (pNodeElement.Type == X3DElemType::ENET_Rectangle2D) || (pNodeElement.Type == X3DElemType::ENET_TriangleSet2D)) { + X3DNodeElementGeometry2D &tnemesh = *((X3DNodeElementGeometry2D *)&pNodeElement); // create alias for convenience + std::vector<aiVector3D> tarr; + + tarr.reserve(tnemesh.Vertices.size()); + for (std::list<aiVector3D>::iterator it = tnemesh.Vertices.begin(); it != tnemesh.Vertices.end(); ++it) + tarr.push_back(*it); + *pMesh = StandardShapes::MakeMesh(tarr, static_cast<unsigned int>(tnemesh.NumIndices)); // create mesh from vertices using Assimp help. + + return; // mesh is build, nothing to do anymore. + } + /************************************************************************************************************************************/ + /************************************************************ Geometry3D ************************************************************/ + /************************************************************************************************************************************/ + // + // Predefined figures + // + if ((pNodeElement.Type == X3DElemType::ENET_Box) || (pNodeElement.Type == X3DElemType::ENET_Cone) || + (pNodeElement.Type == X3DElemType::ENET_Cylinder) || (pNodeElement.Type == X3DElemType::ENET_Sphere)) { + X3DNodeElementGeometry3D &tnemesh = *((X3DNodeElementGeometry3D *)&pNodeElement); // create alias for convenience + std::vector<aiVector3D> tarr; + + tarr.reserve(tnemesh.Vertices.size()); + for (std::list<aiVector3D>::iterator it = tnemesh.Vertices.begin(); it != tnemesh.Vertices.end(); ++it) + tarr.push_back(*it); + + *pMesh = StandardShapes::MakeMesh(tarr, static_cast<unsigned int>(tnemesh.NumIndices)); // create mesh from vertices using Assimp help. + + return; // mesh is build, nothing to do anymore. + } + // + // Parametric figures + // + if (pNodeElement.Type == X3DElemType::ENET_ElevationGrid) { + X3DNodeElementElevationGrid &tnemesh = *((X3DNodeElementElevationGrid *)&pNodeElement); // create alias for convenience + + // at first create mesh from existing vertices. + *pMesh = X3DGeoHelper::make_mesh(tnemesh.CoordIdx, tnemesh.Vertices); + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColor *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColorRGBA *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_Normal) + X3DGeoHelper::add_normal(**pMesh, ((X3DNodeElementNormal *)*ch_it)->Value, tnemesh.NormalPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_TextureCoordinate) + X3DGeoHelper::add_tex_coord(**pMesh, ((X3DNodeElementTextureCoordinate *)*ch_it)->Value); + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of ElevationGrid: " + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_ElevationGrid) + // + // Indexed primitives sets + // + if (pNodeElement.Type == X3DElemType::ENET_IndexedFaceSet) { + X3DNodeElementIndexedSet &tnemesh = *((X3DNodeElementIndexedSet *)&pNodeElement); // create alias for convenience + + // at first search for <Coordinate> node and create mesh. + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + *pMesh = X3DGeoHelper::make_mesh(tnemesh.CoordIndex, ((X3DNodeElementCoordinate *)*ch_it)->Value); + } + } + + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, tnemesh.CoordIndex, tnemesh.ColorIndex, ((X3DNodeElementColor *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, tnemesh.CoordIndex, tnemesh.ColorIndex, ((X3DNodeElementColorRGBA *)*ch_it)->Value, + tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + } // skip because already read when mesh created. + else if ((*ch_it)->Type == X3DElemType::ENET_Normal) + X3DGeoHelper::add_normal(**pMesh, tnemesh.CoordIndex, tnemesh.NormalIndex, ((X3DNodeElementNormal *)*ch_it)->Value, + tnemesh.NormalPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_TextureCoordinate) + X3DGeoHelper::add_tex_coord(**pMesh, tnemesh.CoordIndex, tnemesh.TexCoordIndex, ((X3DNodeElementTextureCoordinate *)*ch_it)->Value); + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of IndexedFaceSet: " + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_IndexedFaceSet) + + if (pNodeElement.Type == X3DElemType::ENET_IndexedLineSet) { + X3DNodeElementIndexedSet &tnemesh = *((X3DNodeElementIndexedSet *)&pNodeElement); // create alias for convenience + + // at first search for <Coordinate> node and create mesh. + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + *pMesh = X3DGeoHelper::make_mesh(tnemesh.CoordIndex, ((X3DNodeElementCoordinate *)*ch_it)->Value); + } + } + + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + ai_assert(*pMesh); + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, tnemesh.CoordIndex, tnemesh.ColorIndex, ((X3DNodeElementColor *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, tnemesh.CoordIndex, tnemesh.ColorIndex, ((X3DNodeElementColorRGBA *)*ch_it)->Value, + tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + } // skip because already read when mesh created. + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of IndexedLineSet: " + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_IndexedLineSet) + + if ((pNodeElement.Type == X3DElemType::ENET_IndexedTriangleSet) || + (pNodeElement.Type == X3DElemType::ENET_IndexedTriangleFanSet) || + (pNodeElement.Type == X3DElemType::ENET_IndexedTriangleStripSet)) { + X3DNodeElementIndexedSet &tnemesh = *((X3DNodeElementIndexedSet *)&pNodeElement); // create alias for convenience + + // at first search for <Coordinate> node and create mesh. + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + *pMesh = X3DGeoHelper::make_mesh(tnemesh.CoordIndex, ((X3DNodeElementCoordinate *)*ch_it)->Value); + } + } + + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + ai_assert(*pMesh); + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, tnemesh.CoordIndex, tnemesh.ColorIndex, ((X3DNodeElementColor *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, tnemesh.CoordIndex, tnemesh.ColorIndex, ((X3DNodeElementColorRGBA *)*ch_it)->Value, + tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + } // skip because already read when mesh created. + else if ((*ch_it)->Type == X3DElemType::ENET_Normal) + X3DGeoHelper::add_normal(**pMesh, tnemesh.CoordIndex, tnemesh.NormalIndex, ((X3DNodeElementNormal *)*ch_it)->Value, + tnemesh.NormalPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_TextureCoordinate) + X3DGeoHelper::add_tex_coord(**pMesh, tnemesh.CoordIndex, tnemesh.TexCoordIndex, ((X3DNodeElementTextureCoordinate *)*ch_it)->Value); + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of IndexedTriangleSet or IndexedTriangleFanSet, or \ + IndexedTriangleStripSet: " + + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if((pNodeElement.Type == X3DElemType::ENET_IndexedTriangleFanSet) || (pNodeElement.Type == X3DElemType::ENET_IndexedTriangleStripSet)) + + if (pNodeElement.Type == X3DElemType::ENET_Extrusion) { + X3DNodeElementIndexedSet &tnemesh = *((X3DNodeElementIndexedSet *)&pNodeElement); // create alias for convenience + + *pMesh = X3DGeoHelper::make_mesh(tnemesh.CoordIndex, tnemesh.Vertices); + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_Extrusion) + + // + // Primitives sets + // + if (pNodeElement.Type == X3DElemType::ENET_PointSet) { + X3DNodeElementSet &tnemesh = *((X3DNodeElementSet *)&pNodeElement); // create alias for convenience + + // at first search for <Coordinate> node and create mesh. + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + std::vector<aiVector3D> vec_copy; + + vec_copy.reserve(((X3DNodeElementCoordinate *)*ch_it)->Value.size()); + for (std::list<aiVector3D>::const_iterator it = ((X3DNodeElementCoordinate *)*ch_it)->Value.begin(); + it != ((X3DNodeElementCoordinate *)*ch_it)->Value.end(); ++it) { + vec_copy.push_back(*it); + } + + *pMesh = StandardShapes::MakeMesh(vec_copy, 1); + } + } + + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + ai_assert(*pMesh); + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColor *)*ch_it)->Value, true); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColorRGBA *)*ch_it)->Value, true); + else if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + } // skip because already read when mesh created. + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of PointSet: " + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_PointSet) + + if (pNodeElement.Type == X3DElemType::ENET_LineSet) { + X3DNodeElementSet &tnemesh = *((X3DNodeElementSet *)&pNodeElement); // create alias for convenience + + // at first search for <Coordinate> node and create mesh. + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + *pMesh = X3DGeoHelper::make_mesh(tnemesh.CoordIndex, ((X3DNodeElementCoordinate *)*ch_it)->Value); + } + } + + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + ai_assert(*pMesh); + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColor *)*ch_it)->Value, true); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColorRGBA *)*ch_it)->Value, true); + else if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + } // skip because already read when mesh created. + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of LineSet: " + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_LineSet) + + if (pNodeElement.Type == X3DElemType::ENET_TriangleFanSet) { + X3DNodeElementSet &tnemesh = *((X3DNodeElementSet *)&pNodeElement); // create alias for convenience + + // at first search for <Coordinate> node and create mesh. + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + *pMesh = X3DGeoHelper::make_mesh(tnemesh.CoordIndex, ((X3DNodeElementCoordinate *)*ch_it)->Value); + } + } + + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if (nullptr == *pMesh) { + break; + } + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColor *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColorRGBA *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + } // skip because already read when mesh created. + else if ((*ch_it)->Type == X3DElemType::ENET_Normal) + X3DGeoHelper::add_normal(**pMesh, tnemesh.CoordIndex, tnemesh.NormalIndex, ((X3DNodeElementNormal *)*ch_it)->Value, + tnemesh.NormalPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_TextureCoordinate) + X3DGeoHelper::add_tex_coord(**pMesh, tnemesh.CoordIndex, tnemesh.TexCoordIndex, ((X3DNodeElementTextureCoordinate *)*ch_it)->Value); + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of TrianlgeFanSet: " + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_TriangleFanSet) + + if (pNodeElement.Type == X3DElemType::ENET_TriangleSet) { + X3DNodeElementSet &tnemesh = *((X3DNodeElementSet *)&pNodeElement); // create alias for convenience + + // at first search for <Coordinate> node and create mesh. + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + std::vector<aiVector3D> vec_copy; + + vec_copy.reserve(((X3DNodeElementCoordinate *)*ch_it)->Value.size()); + for (std::list<aiVector3D>::const_iterator it = ((X3DNodeElementCoordinate *)*ch_it)->Value.begin(); + it != ((X3DNodeElementCoordinate *)*ch_it)->Value.end(); ++it) { + vec_copy.push_back(*it); + } + + *pMesh = StandardShapes::MakeMesh(vec_copy, 3); + } + } + + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + ai_assert(*pMesh); + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColor *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColorRGBA *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + } // skip because already read when mesh created. + else if ((*ch_it)->Type == X3DElemType::ENET_Normal) + X3DGeoHelper::add_normal(**pMesh, tnemesh.CoordIndex, tnemesh.NormalIndex, ((X3DNodeElementNormal *)*ch_it)->Value, + tnemesh.NormalPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_TextureCoordinate) + X3DGeoHelper::add_tex_coord(**pMesh, tnemesh.CoordIndex, tnemesh.TexCoordIndex, ((X3DNodeElementTextureCoordinate *)*ch_it)->Value); + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of TrianlgeSet: " + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_TriangleSet) + + if (pNodeElement.Type == X3DElemType::ENET_TriangleStripSet) { + X3DNodeElementSet &tnemesh = *((X3DNodeElementSet *)&pNodeElement); // create alias for convenience + + // at first search for <Coordinate> node and create mesh. + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + *pMesh = X3DGeoHelper::make_mesh(tnemesh.CoordIndex, ((X3DNodeElementCoordinate *)*ch_it)->Value); + } + } + + // copy additional information from children + for (std::list<X3DNodeElementBase *>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) { + ai_assert(*pMesh); + if ((*ch_it)->Type == X3DElemType::ENET_Color) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColor *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_ColorRGBA) + X3DGeoHelper::add_color(**pMesh, ((X3DNodeElementColorRGBA *)*ch_it)->Value, tnemesh.ColorPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_Coordinate) { + } // skip because already read when mesh created. + else if ((*ch_it)->Type == X3DElemType::ENET_Normal) + X3DGeoHelper::add_normal(**pMesh, tnemesh.CoordIndex, tnemesh.NormalIndex, ((X3DNodeElementNormal *)*ch_it)->Value, + tnemesh.NormalPerVertex); + else if ((*ch_it)->Type == X3DElemType::ENET_TextureCoordinate) + X3DGeoHelper::add_tex_coord(**pMesh, tnemesh.CoordIndex, tnemesh.TexCoordIndex, ((X3DNodeElementTextureCoordinate *)*ch_it)->Value); + else + throw DeadlyImportError("Postprocess_BuildMesh. Unknown child of TriangleStripSet: " + ai_to_string((*ch_it)->Type) + "."); + } // for(std::list<X3DNodeElementBase*>::iterator ch_it = tnemesh.Children.begin(); ch_it != tnemesh.Children.end(); ++ch_it) + + return; // mesh is build, nothing to do anymore. + } // if(pNodeElement.Type == X3DElemType::ENET_TriangleStripSet) + + throw DeadlyImportError("Postprocess_BuildMesh. Unknown mesh type: " + ai_to_string(pNodeElement.Type) + "."); +} + +void X3DImporter::Postprocess_BuildNode(const X3DNodeElementBase &pNodeElement, aiNode &pSceneNode, std::list<aiMesh *> &pSceneMeshList, + std::list<aiMaterial *> &pSceneMaterialList, std::list<aiLight *> &pSceneLightList) const { + std::list<X3DNodeElementBase *>::const_iterator chit_begin = pNodeElement.Children.begin(); + std::list<X3DNodeElementBase *>::const_iterator chit_end = pNodeElement.Children.end(); + std::list<aiNode *> SceneNode_Child; + std::list<unsigned int> SceneNode_Mesh; + + // At first read all metadata + Postprocess_CollectMetadata(pNodeElement, pSceneNode); + // check if we have deal with grouping node. Which can contain transformation or switch + if (pNodeElement.Type == X3DElemType::ENET_Group) { + const X3DNodeElementGroup &tne_group = *((X3DNodeElementGroup *)&pNodeElement); // create alias for convenience + + pSceneNode.mTransformation = tne_group.Transformation; + if (tne_group.UseChoice) { + // If Choice is less than zero or greater than the number of nodes in the children field, nothing is chosen. + if ((tne_group.Choice < 0) || ((size_t)tne_group.Choice >= pNodeElement.Children.size())) { + chit_begin = pNodeElement.Children.end(); + chit_end = pNodeElement.Children.end(); + } else { + for (size_t i = 0; i < (size_t)tne_group.Choice; i++) + ++chit_begin; // forward iterator to chosen node. + + chit_end = chit_begin; + ++chit_end; // point end iterator to next element after chosen node. + } + } // if(tne_group.UseChoice) + } // if(pNodeElement.Type == X3DElemType::ENET_Group) + + // Reserve memory for fast access and check children. + for (std::list<X3DNodeElementBase *>::const_iterator it = chit_begin; it != chit_end; ++it) { // in this loop we do not read metadata because it's already read at begin. + if ((*it)->Type == X3DElemType::ENET_Group) { + // if child is group then create new node and do recursive call. + aiNode *new_node = new aiNode; + + new_node->mName = (*it)->ID; + new_node->mParent = &pSceneNode; + SceneNode_Child.push_back(new_node); + Postprocess_BuildNode(**it, *new_node, pSceneMeshList, pSceneMaterialList, pSceneLightList); + } else if ((*it)->Type == X3DElemType::ENET_Shape) { + // shape can contain only one geometry and one appearance nodes. + Postprocess_BuildShape(*((X3DNodeElementShape *)*it), SceneNode_Mesh, pSceneMeshList, pSceneMaterialList); + } else if (((*it)->Type == X3DElemType::ENET_DirectionalLight) || ((*it)->Type == X3DElemType::ENET_PointLight) || + ((*it)->Type == X3DElemType::ENET_SpotLight)) { + Postprocess_BuildLight(*((X3DNodeElementLight *)*it), pSceneLightList); + } else if (!PostprocessHelper_ElementIsMetadata((*it)->Type)) // skip metadata + { + throw DeadlyImportError("Postprocess_BuildNode. Unknown type: " + ai_to_string((*it)->Type) + "."); + } + } // for(std::list<X3DNodeElementBase*>::const_iterator it = chit_begin; it != chit_end; it++) + + // copy data about children and meshes to aiNode. + if (!SceneNode_Child.empty()) { + std::list<aiNode *>::const_iterator it = SceneNode_Child.begin(); + + pSceneNode.mNumChildren = static_cast<unsigned int>(SceneNode_Child.size()); + pSceneNode.mChildren = new aiNode *[pSceneNode.mNumChildren]; + for (size_t i = 0; i < pSceneNode.mNumChildren; i++) + pSceneNode.mChildren[i] = *it++; + } + + if (!SceneNode_Mesh.empty()) { + std::list<unsigned int>::const_iterator it = SceneNode_Mesh.begin(); + + pSceneNode.mNumMeshes = static_cast<unsigned int>(SceneNode_Mesh.size()); + pSceneNode.mMeshes = new unsigned int[pSceneNode.mNumMeshes]; + for (size_t i = 0; i < pSceneNode.mNumMeshes; i++) + pSceneNode.mMeshes[i] = *it++; + } + + // that's all. return to previous deals +} + +void X3DImporter::Postprocess_BuildShape(const X3DNodeElementShape &pShapeNodeElement, std::list<unsigned int> &pNodeMeshInd, + std::list<aiMesh *> &pSceneMeshList, std::list<aiMaterial *> &pSceneMaterialList) const { + aiMaterial *tmat = nullptr; + aiMesh *tmesh = nullptr; + X3DElemType mesh_type = X3DElemType::ENET_Invalid; + unsigned int mat_ind = 0; + + for (std::list<X3DNodeElementBase *>::const_iterator it = pShapeNodeElement.Children.begin(); it != pShapeNodeElement.Children.end(); ++it) { + if (PostprocessHelper_ElementIsMesh((*it)->Type)) { + Postprocess_BuildMesh(**it, &tmesh); + if (tmesh != nullptr) { + // if mesh successfully built then add data about it to arrays + pNodeMeshInd.push_back(static_cast<unsigned int>(pSceneMeshList.size())); + pSceneMeshList.push_back(tmesh); + // keep mesh type. Need above for texture coordinate generation. + mesh_type = (*it)->Type; + } + } else if ((*it)->Type == X3DElemType::ENET_Appearance) { + Postprocess_BuildMaterial(**it, &tmat); + if (tmat != nullptr) { + // if material successfully built then add data about it to array + mat_ind = static_cast<unsigned int>(pSceneMaterialList.size()); + pSceneMaterialList.push_back(tmat); + } + } + } // for(std::list<X3DNodeElementBase*>::const_iterator it = pShapeNodeElement.Children.begin(); it != pShapeNodeElement.Children.end(); it++) + + // associate read material with read mesh. + if ((tmesh != nullptr) && (tmat != nullptr)) { + tmesh->mMaterialIndex = mat_ind; + // Check texture mapping. If material has texture but mesh has no texture coordinate then try to ask Assimp to generate texture coordinates. + if ((tmat->GetTextureCount(aiTextureType_DIFFUSE) != 0) && !tmesh->HasTextureCoords(0)) { + int32_t tm; + aiVector3D tvec3; + + switch (mesh_type) { + case X3DElemType::ENET_Box: + tm = aiTextureMapping_BOX; + break; + case X3DElemType::ENET_Cone: + case X3DElemType::ENET_Cylinder: + tm = aiTextureMapping_CYLINDER; + break; + case X3DElemType::ENET_Sphere: + tm = aiTextureMapping_SPHERE; + break; + default: + tm = aiTextureMapping_PLANE; + break; + } // switch(mesh_type) + + tmat->AddProperty(&tm, 1, AI_MATKEY_MAPPING_DIFFUSE(0)); + } // if((tmat->GetTextureCount(aiTextureType_DIFFUSE) != 0) && !tmesh->HasTextureCoords(0)) + } // if((tmesh != nullptr) && (tmat != nullptr)) +} + +void X3DImporter::Postprocess_CollectMetadata(const X3DNodeElementBase &pNodeElement, aiNode &pSceneNode) const { + std::list<X3DNodeElementBase *> meta_list; + size_t meta_idx; + + PostprocessHelper_CollectMetadata(pNodeElement, meta_list); // find metadata in current node element. + if (!meta_list.empty()) { + if (pSceneNode.mMetaData != nullptr) { + throw DeadlyImportError("Postprocess. MetaData member in node are not nullptr. Something went wrong."); + } + + // copy collected metadata to output node. + pSceneNode.mMetaData = aiMetadata::Alloc(static_cast<unsigned int>(meta_list.size())); + meta_idx = 0; + for (std::list<X3DNodeElementBase *>::const_iterator it = meta_list.begin(); it != meta_list.end(); ++it, ++meta_idx) { + X3DNodeElementMeta *cur_meta = (X3DNodeElementMeta *)*it; + + // due to limitations we can add only first element of value list. + // Add an element according to its type. + if ((*it)->Type == X3DElemType::ENET_MetaBoolean) { + if (((X3DNodeElementMetaBoolean *)cur_meta)->Value.size() > 0) + pSceneNode.mMetaData->Set(static_cast<unsigned int>(meta_idx), cur_meta->Name, *(((X3DNodeElementMetaBoolean *)cur_meta)->Value.begin()) == true); + } else if ((*it)->Type == X3DElemType::ENET_MetaDouble) { + if (((X3DNodeElementMetaDouble *)cur_meta)->Value.size() > 0) + pSceneNode.mMetaData->Set(static_cast<unsigned int>(meta_idx), cur_meta->Name, (float)*(((X3DNodeElementMetaDouble *)cur_meta)->Value.begin())); + } else if ((*it)->Type == X3DElemType::ENET_MetaFloat) { + if (((X3DNodeElementMetaFloat *)cur_meta)->Value.size() > 0) + pSceneNode.mMetaData->Set(static_cast<unsigned int>(meta_idx), cur_meta->Name, *(((X3DNodeElementMetaFloat *)cur_meta)->Value.begin())); + } else if ((*it)->Type == X3DElemType::ENET_MetaInteger) { + if (((X3DNodeElementMetaInt *)cur_meta)->Value.size() > 0) + pSceneNode.mMetaData->Set(static_cast<unsigned int>(meta_idx), cur_meta->Name, *(((X3DNodeElementMetaInt *)cur_meta)->Value.begin())); + } else if ((*it)->Type == X3DElemType::ENET_MetaString) { + if (((X3DNodeElementMetaString *)cur_meta)->Value.size() > 0) { + aiString tstr(((X3DNodeElementMetaString *)cur_meta)->Value.begin()->data()); + + pSceneNode.mMetaData->Set(static_cast<unsigned int>(meta_idx), cur_meta->Name, tstr); + } + } else { + throw DeadlyImportError("Postprocess. Unknown metadata type."); + } // if((*it)->Type == X3DElemType::ENET_Meta*) else + } // for(std::list<X3DNodeElementBase*>::const_iterator it = meta_list.begin(); it != meta_list.end(); it++) + } // if( !meta_list.empty() ) +} + +} // namespace Assimp + +#endif // !ASSIMP_BUILD_NO_X3D_IMPORTER |