switch to tinyobj and nanovg from assimp and cairo

1 files changed, 0 insertions, 918 deletions

diff --git a/libs/assimp/code/AssetLib/X3D/X3DImporter_Geometry3D.cpp b/libs/assimp/code/AssetLib/X3D/X3DImporter_Geometry3D.cpp
deleted file mode 100644
index b9fc2a4..0000000
--- a/libs/assimp/code/AssetLib/X3D/X3DImporter_Geometry3D.cpp
+++ /dev/null
@@ -1,918 +0,0 @@
-/*
-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_Geometry3D.cpp
-/// \brief  Parsing data from nodes of "Geometry3D" set of X3D.
-/// \date   2015-2016
-/// \author smal.root@gmail.com
-
-#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
-
-#include "X3DGeoHelper.h"
-#include "X3DImporter.hpp"
-#include "X3DImporter_Macro.hpp"
-#include "X3DXmlHelper.h"
-
-// Header files, Assimp.
-#include <assimp/StandardShapes.h>
-
-namespace Assimp {
-
-// <Box
-// DEF=""       ID
-// USE=""       IDREF
-// size="2 2 2" SFVec3f [initializeOnly]
-// solid="true" SFBool  [initializeOnly]
-// />
-// The Box node specifies a rectangular parallelepiped box centred at (0, 0, 0) in the local coordinate system and aligned with the local coordinate axes.
-// By default, the box measures 2 units in each dimension, from -1 to +1. The size field specifies the extents of the box along the X-, Y-, and Z-axes
-// respectively and each component value shall be greater than zero.
-void X3DImporter::readBox(XmlNode &node) {
-    std::string def, use;
-    bool solid = true;
-    aiVector3D size(2, 2, 2);
-    X3DNodeElementBase *ne(nullptr);
-
-    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
-    X3DXmlHelper::getVector3DAttribute(node, "size", size);
-    XmlParser::getBoolAttribute(node, "solid", solid);
-
-    // if "USE" defined then find already defined element.
-    if (!use.empty()) {
-        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Box, ne);
-    } else {
-        // create and if needed - define new geometry object.
-        ne = new X3DNodeElementGeometry3D(X3DElemType::ENET_Box, mNodeElementCur);
-        if (!def.empty()) ne->ID = def;
-
-        X3DGeoHelper::rect_parallel_epiped(size, ((X3DNodeElementGeometry3D *)ne)->Vertices); // get quad list
-        ((X3DNodeElementGeometry3D *)ne)->Solid = solid;
-        ((X3DNodeElementGeometry3D *)ne)->NumIndices = 4;
-        // check for X3DMetadataObject childs.
-        if (!isNodeEmpty(node))
-            childrenReadMetadata(node, ne, "Box");
-        else
-            mNodeElementCur->Children.push_back(ne); // add made object as child to current element
-
-        NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
-    } // if(!use.empty()) else
-}
-
-// <Cone
-// DEF=""           ID
-// USE=""           IDREF
-// bottom="true"    SFBool [initializeOnly]
-// bottomRadius="1" SFloat [initializeOnly]
-// height="2"       SFloat [initializeOnly]
-// side="true"      SFBool [initializeOnly]
-// solid="true"     SFBool [initializeOnly]
-// />
-void X3DImporter::readCone(XmlNode &node) {
-    std::string use, def;
-    bool bottom = true;
-    float bottomRadius = 1;
-    float height = 2;
-    bool side = true;
-    bool solid = true;
-    X3DNodeElementBase *ne(nullptr);
-
-    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
-    XmlParser::getBoolAttribute(node, "solid", solid);
-    XmlParser::getBoolAttribute(node, "side", side);
-    XmlParser::getBoolAttribute(node, "bottom", bottom);
-    XmlParser::getFloatAttribute(node, "height", height);
-    XmlParser::getFloatAttribute(node, "bottomRadius", bottomRadius);
-
-    // if "USE" defined then find already defined element.
-    if (!use.empty()) {
-        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Cone, ne);
-    } else {
-        const unsigned int tess = 30; ///TODO: IME tessellation factor through ai_property
-
-        std::vector<aiVector3D> tvec; // temp array for vertices.
-
-        // create and if needed - define new geometry object.
-        ne = new X3DNodeElementGeometry3D(X3DElemType::ENET_Cone, mNodeElementCur);
-        if (!def.empty()) ne->ID = def;
-
-        // make cone or parts according to flags.
-        if (side) {
-            StandardShapes::MakeCone(height, 0, bottomRadius, tess, tvec, !bottom);
-        } else if (bottom) {
-            StandardShapes::MakeCircle(bottomRadius, tess, tvec);
-            height = -(height / 2);
-            for (std::vector<aiVector3D>::iterator it = tvec.begin(); it != tvec.end(); ++it)
-                it->y = height; // y - because circle made in oXZ.
-        }
-
-        // copy data from temp array
-        for (std::vector<aiVector3D>::iterator it = tvec.begin(); it != tvec.end(); ++it)
-            ((X3DNodeElementGeometry3D *)ne)->Vertices.push_back(*it);
-
-        ((X3DNodeElementGeometry3D *)ne)->Solid = solid;
-        ((X3DNodeElementGeometry3D *)ne)->NumIndices = 3;
-        // check for X3DMetadataObject childs.
-        if (!isNodeEmpty(node))
-            childrenReadMetadata(node, ne, "Cone");
-        else
-            mNodeElementCur->Children.push_back(ne); // add made object as child to current element
-
-        NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
-    } // if(!use.empty()) else
-}
-
-// <Cylinder
-// DEF=""        ID
-// USE=""        IDREF
-// bottom="true" SFBool [initializeOnly]
-// height="2"    SFloat [initializeOnly]
-// radius="1"    SFloat [initializeOnly]
-// side="true"   SFBool [initializeOnly]
-// solid="true"  SFBool [initializeOnly]
-// top="true"    SFBool [initializeOnly]
-// />
-void X3DImporter::readCylinder(XmlNode &node) {
-    std::string use, def;
-    bool bottom = true;
-    float height = 2;
-    float radius = 1;
-    bool side = true;
-    bool solid = true;
-    bool top = true;
-    X3DNodeElementBase *ne(nullptr);
-
-    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
-    XmlParser::getFloatAttribute(node, "radius", radius);
-    XmlParser::getBoolAttribute(node, "solid", solid);
-    XmlParser::getBoolAttribute(node, "bottom", bottom);
-    XmlParser::getBoolAttribute(node, "top", top);
-    XmlParser::getBoolAttribute(node, "side", side);
-    XmlParser::getFloatAttribute(node, "height", height);
-
-    // if "USE" defined then find already defined element.
-    if (!use.empty()) {
-        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Cylinder, ne);
-    } else {
-        const unsigned int tess = 30; ///TODO: IME tessellation factor through ai_property
-
-        std::vector<aiVector3D> tside; // temp array for vertices of side.
-        std::vector<aiVector3D> tcir; // temp array for vertices of circle.
-
-        // create and if needed - define new geometry object.
-        ne = new X3DNodeElementGeometry3D(X3DElemType::ENET_Cylinder, mNodeElementCur);
-        if (!def.empty()) ne->ID = def;
-
-        // make cilynder or parts according to flags.
-        if (side) StandardShapes::MakeCone(height, radius, radius, tess, tside, true);
-
-        height /= 2; // height defined for whole cylinder, when creating top and bottom circle we are using just half of height.
-        if (top || bottom) StandardShapes::MakeCircle(radius, tess, tcir);
-        // copy data from temp arrays
-        std::list<aiVector3D> &vlist = ((X3DNodeElementGeometry3D *)ne)->Vertices; // just short alias.
-
-        for (std::vector<aiVector3D>::iterator it = tside.begin(); it != tside.end(); ++it)
-            vlist.push_back(*it);
-
-        if (top) {
-            for (std::vector<aiVector3D>::iterator it = tcir.begin(); it != tcir.end(); ++it) {
-                (*it).y = height; // y - because circle made in oXZ.
-                vlist.push_back(*it);
-            }
-        } // if(top)
-
-        if (bottom) {
-            for (std::vector<aiVector3D>::iterator it = tcir.begin(); it != tcir.end(); ++it) {
-                (*it).y = -height; // y - because circle made in oXZ.
-                vlist.push_back(*it);
-            }
-        } // if(top)
-
-        ((X3DNodeElementGeometry3D *)ne)->Solid = solid;
-        ((X3DNodeElementGeometry3D *)ne)->NumIndices = 3;
-        // check for X3DMetadataObject childs.
-        if (!isNodeEmpty(node))
-            childrenReadMetadata(node, ne, "Cylinder");
-        else
-            mNodeElementCur->Children.push_back(ne); // add made object as child to current element
-
-        NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
-    } // if(!use.empty()) else
-}
-
-// <ElevationGrid
-// DEF=""                 ID
-// USE=""                 IDREF
-// ccw="true"             SFBool  [initializeOnly]
-// colorPerVertex="true"  SFBool  [initializeOnly]
-// creaseAngle="0"        SFloat  [initializeOnly]
-// height=""              MFloat  [initializeOnly]
-// normalPerVertex="true" SFBool  [initializeOnly]
-// solid="true"           SFBool  [initializeOnly]
-// xDimension="0"         SFInt32 [initializeOnly]
-// xSpacing="1.0"         SFloat  [initializeOnly]
-// zDimension="0"         SFInt32 [initializeOnly]
-// zSpacing="1.0"         SFloat  [initializeOnly]
-// >
-//   <!-- ColorNormalTexCoordContentModel -->
-// ColorNormalTexCoordContentModel can contain Color (or ColorRGBA), Normal and TextureCoordinate, in any order. No more than one instance of any single
-// node type is allowed. A ProtoInstance node (with the proper node type) can be substituted for any node in this content model.
-// </ElevationGrid>
-// The ElevationGrid node specifies a uniform rectangular grid of varying height in the Y=0 plane of the local coordinate system. The geometry is described
-// by a scalar array of height values that specify the height of a surface above each point of the grid. The xDimension and zDimension fields indicate
-// the number of elements of the grid height array in the X and Z directions. Both xDimension and zDimension shall be greater than or equal to zero.
-// If either the xDimension or the zDimension is less than two, the ElevationGrid contains no quadrilaterals.
-void X3DImporter::readElevationGrid(XmlNode &node) {
-    std::string use, def;
-    bool ccw = true;
-    bool colorPerVertex = true;
-    float creaseAngle = 0;
-    std::vector<float> height;
-    bool normalPerVertex = true;
-    bool solid = true;
-    int32_t xDimension = 0;
-    float xSpacing = 1;
-    int32_t zDimension = 0;
-    float zSpacing = 1;
-    X3DNodeElementBase *ne(nullptr);
-
-    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
-    XmlParser::getBoolAttribute(node, "solid", solid);
-    XmlParser::getBoolAttribute(node, "ccw", ccw);
-    XmlParser::getBoolAttribute(node, "colorPerVertex", colorPerVertex);
-    XmlParser::getBoolAttribute(node, "normalPerVertex", normalPerVertex);
-    XmlParser::getFloatAttribute(node, "creaseAngle", creaseAngle);
-    X3DXmlHelper::getFloatArrayAttribute(node, "height", height);
-    XmlParser::getIntAttribute(node, "xDimension", xDimension);
-    XmlParser::getFloatAttribute(node, "xSpacing", xSpacing);
-    XmlParser::getIntAttribute(node, "zDimension", zDimension);
-    XmlParser::getFloatAttribute(node, "zSpacing", zSpacing);
-
-    // if "USE" defined then find already defined element.
-    if (!use.empty()) {
-        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_ElevationGrid, ne);
-    } else {
-        if ((xSpacing == 0.0f) || (zSpacing == 0.0f)) throw DeadlyImportError("Spacing in <ElevationGrid> must be grater than zero.");
-        if ((xDimension <= 0) || (zDimension <= 0)) throw DeadlyImportError("Dimension in <ElevationGrid> must be grater than zero.");
-        if ((size_t)(xDimension * zDimension) != height.size()) DeadlyImportError("Heights count must be equal to \"xDimension * zDimension\" in <ElevationGrid>");
-
-        // create and if needed - define new geometry object.
-        ne = new X3DNodeElementElevationGrid(X3DElemType::ENET_ElevationGrid, mNodeElementCur);
-        if (!def.empty()) ne->ID = def;
-
-        X3DNodeElementElevationGrid &grid_alias = *((X3DNodeElementElevationGrid *)ne); // create alias for conveience
-
-        { // create grid vertices list
-            std::vector<float>::const_iterator he_it = height.begin();
-
-            for (int32_t zi = 0; zi < zDimension; zi++) // rows
-            {
-                for (int32_t xi = 0; xi < xDimension; xi++) // columns
-                {
-                    aiVector3D tvec(xSpacing * xi, *he_it, zSpacing * zi);
-
-                    grid_alias.Vertices.push_back(tvec);
-                    ++he_it;
-                }
-            }
-        } // END: create grid vertices list
-        //
-        // create faces list. In "coordIdx" format
-        //
-        // check if we have quads
-        if ((xDimension < 2) || (zDimension < 2)) // only one element in dimension is set, create line set.
-        {
-            ((X3DNodeElementElevationGrid *)ne)->NumIndices = 2; // will be holded as line set.
-            for (size_t i = 0, i_e = (grid_alias.Vertices.size() - 1); i < i_e; i++) {
-                grid_alias.CoordIdx.push_back(static_cast<int32_t>(i));
-                grid_alias.CoordIdx.push_back(static_cast<int32_t>(i + 1));
-                grid_alias.CoordIdx.push_back(-1);
-            }
-        } else // two or more elements in every dimension is set. create quad set.
-        {
-            ((X3DNodeElementElevationGrid *)ne)->NumIndices = 4;
-            for (int32_t fzi = 0, fzi_e = (zDimension - 1); fzi < fzi_e; fzi++) // rows
-            {
-                for (int32_t fxi = 0, fxi_e = (xDimension - 1); fxi < fxi_e; fxi++) // columns
-                {
-                    // points direction in face.
-                    if (ccw) {
-                        // CCW:
-                        //	3 2
-                        //	0 1
-                        grid_alias.CoordIdx.push_back((fzi + 1) * xDimension + fxi);
-                        grid_alias.CoordIdx.push_back((fzi + 1) * xDimension + (fxi + 1));
-                        grid_alias.CoordIdx.push_back(fzi * xDimension + (fxi + 1));
-                        grid_alias.CoordIdx.push_back(fzi * xDimension + fxi);
-                    } else {
-                        // CW:
-                        //	0 1
-                        //	3 2
-                        grid_alias.CoordIdx.push_back(fzi * xDimension + fxi);
-                        grid_alias.CoordIdx.push_back(fzi * xDimension + (fxi + 1));
-                        grid_alias.CoordIdx.push_back((fzi + 1) * xDimension + (fxi + 1));
-                        grid_alias.CoordIdx.push_back((fzi + 1) * xDimension + fxi);
-                    } // if(ccw) else
-
-                    grid_alias.CoordIdx.push_back(-1);
-                } // for(int32_t fxi = 0, fxi_e = (xDimension - 1); fxi < fxi_e; fxi++)
-            } // for(int32_t fzi = 0, fzi_e = (zDimension - 1); fzi < fzi_e; fzi++)
-        } // if((xDimension < 2) || (zDimension < 2)) else
-
-        grid_alias.ColorPerVertex = colorPerVertex;
-        grid_alias.NormalPerVertex = normalPerVertex;
-        grid_alias.CreaseAngle = creaseAngle;
-        grid_alias.Solid = solid;
-        // check for child nodes
-        if (!isNodeEmpty(node)) {
-            ParseHelper_Node_Enter(ne);
-            for (auto currentChildNode : node.children()) {
-                const std::string &currentChildName = currentChildNode.name();
-                // check for X3DComposedGeometryNodes
-                if (currentChildName == "Color")
-                    readColor(currentChildNode);
-                else if (currentChildName == "ColorRGBA")
-                    readColorRGBA(currentChildNode);
-                else if (currentChildName == "Normal")
-                    readNormal(currentChildNode);
-                else if (currentChildName == "TextureCoordinate")
-                    readTextureCoordinate(currentChildNode);
-                // check for X3DMetadataObject
-                else if (!checkForMetadataNode(currentChildNode))
-                    skipUnsupportedNode("ElevationGrid", currentChildNode);
-            }
-            ParseHelper_Node_Exit();
-        } // if(!mReader->isEmptyElement())
-        else {
-            mNodeElementCur->Children.push_back(ne); // add made object as child to current element
-        } // if(!mReader->isEmptyElement()) else
-
-        NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
-    } // if(!use.empty()) else
-}
-
-template <typename TVector>
-static void GeometryHelper_Extrusion_CurveIsClosed(std::vector<TVector> &pCurve, const bool pDropTail, const bool pRemoveLastPoint, bool &pCurveIsClosed) {
-    size_t cur_sz = pCurve.size();
-
-    pCurveIsClosed = false;
-    // for curve with less than four points checking is have no sense,
-    if (cur_sz < 4) return;
-
-    for (size_t s = 3, s_e = cur_sz; s < s_e; s++) {
-        // search for first point of duplicated part.
-        if (pCurve[0] == pCurve[s]) {
-            bool found = true;
-
-            // check if tail(indexed by b2) is duplicate of head(indexed by b1).
-            for (size_t b1 = 1, b2 = (s + 1); b2 < cur_sz; b1++, b2++) {
-                if (pCurve[b1] != pCurve[b2]) { // points not match: clear flag and break loop.
-                    found = false;
-
-                    break;
-                }
-            } // for(size_t b1 = 1, b2 = (s + 1); b2 < cur_sz; b1++, b2++)
-
-            // if duplicate tail is found then drop or not it depending on flags.
-            if (found) {
-                pCurveIsClosed = true;
-                if (pDropTail) {
-                    if (!pRemoveLastPoint) s++; // prepare value for iterator's arithmetics.
-
-                    pCurve.erase(pCurve.begin() + s, pCurve.end()); // remove tail
-                }
-
-                break;
-            } // if(found)
-        } // if(pCurve[0] == pCurve[s])
-    } // for(size_t s = 3, s_e = (cur_sz - 1); s < s_e; s++)
-}
-
-static aiVector3D GeometryHelper_Extrusion_GetNextY(const size_t pSpine_PointIdx, const std::vector<aiVector3D> &pSpine, const bool pSpine_Closed) {
-    const size_t spine_idx_last = pSpine.size() - 1;
-    aiVector3D tvec;
-
-    if ((pSpine_PointIdx == 0) || (pSpine_PointIdx == spine_idx_last)) // at first special cases
-    {
-        if (pSpine_Closed) { // If the spine curve is closed: The SCP for the first and last points is the same and is found using (spine[1] - spine[n - 2]) to compute the Y-axis.
-            // As we even for closed spine curve last and first point in pSpine are not the same: duplicates(spine[n - 1] which are equivalent to spine[0])
-            // in tail are removed.
-            // So, last point in pSpine is a spine[n - 2]
-            tvec = pSpine[1] - pSpine[spine_idx_last];
-        } else if (pSpine_PointIdx == 0) { // The Y-axis used for the first point is the vector from spine[0] to spine[1]
-            tvec = pSpine[1] - pSpine[0];
-        } else { // The Y-axis used for the last point it is the vector from spine[n-2] to spine[n-1]. In our case(see above about dropping tail) spine[n - 1] is
-            // the spine[0].
-            tvec = pSpine[spine_idx_last] - pSpine[spine_idx_last - 1];
-        }
-    } // if((pSpine_PointIdx == 0) || (pSpine_PointIdx == spine_idx_last))
-    else { // For all points other than the first or last: The Y-axis for spine[i] is found by normalizing the vector defined by (spine[i+1] - spine[i-1]).
-        tvec = pSpine[pSpine_PointIdx + 1] - pSpine[pSpine_PointIdx - 1];
-    } // if((pSpine_PointIdx == 0) || (pSpine_PointIdx == spine_idx_last)) else
-
-    return tvec.Normalize();
-}
-
-static aiVector3D GeometryHelper_Extrusion_GetNextZ(const size_t pSpine_PointIdx, const std::vector<aiVector3D> &pSpine, const bool pSpine_Closed,
-        const aiVector3D pVecZ_Prev) {
-    const aiVector3D zero_vec(0);
-    const size_t spine_idx_last = pSpine.size() - 1;
-
-    aiVector3D tvec;
-
-    // at first special cases
-    if (pSpine.size() < 3) // spine have not enough points for vector calculations.
-    {
-        tvec.Set(0, 0, 1);
-    } else if (pSpine_PointIdx == 0) // special case: first point
-    {
-        if (pSpine_Closed) // for calculating use previous point in curve s[n - 2]. In list it's a last point, because point s[n - 1] was removed as duplicate.
-        {
-            tvec = (pSpine[1] - pSpine[0]) ^ (pSpine[spine_idx_last] - pSpine[0]);
-        } else // for not closed curve first and next point(s[0] and s[1]) has the same vector Z.
-        {
-            bool found = false;
-
-            // As said: "If the Z-axis of the first point is undefined (because the spine is not closed and the first two spine segments are collinear)
-            // then the Z-axis for the first spine point with a defined Z-axis is used."
-            // Walk through spine and find Z.
-            for (size_t next_point = 2; (next_point <= spine_idx_last) && !found; next_point++) {
-                // (pSpine[2] - pSpine[1]) ^ (pSpine[0] - pSpine[1])
-                tvec = (pSpine[next_point] - pSpine[next_point - 1]) ^ (pSpine[next_point - 2] - pSpine[next_point - 1]);
-                found = !tvec.Equal(zero_vec);
-            }
-
-            // if entire spine are collinear then use OZ axis.
-            if (!found) tvec.Set(0, 0, 1);
-        } // if(pSpine_Closed) else
-    } // else if(pSpine_PointIdx == 0)
-    else if (pSpine_PointIdx == spine_idx_last) // special case: last point
-    {
-        if (pSpine_Closed) { // do not forget that real last point s[n - 1] is removed as duplicated. And in this case we are calculating vector Z for point s[n - 2].
-            tvec = (pSpine[0] - pSpine[pSpine_PointIdx]) ^ (pSpine[pSpine_PointIdx - 1] - pSpine[pSpine_PointIdx]);
-            // if taken spine vectors are collinear then use previous vector Z.
-            if (tvec.Equal(zero_vec)) tvec = pVecZ_Prev;
-        } else { // vector Z for last point of not closed curve is previous vector Z.
-            tvec = pVecZ_Prev;
-        }
-    } else // regular point
-    {
-        tvec = (pSpine[pSpine_PointIdx + 1] - pSpine[pSpine_PointIdx]) ^ (pSpine[pSpine_PointIdx - 1] - pSpine[pSpine_PointIdx]);
-        // if taken spine vectors are collinear then use previous vector Z.
-        if (tvec.Equal(zero_vec)) tvec = pVecZ_Prev;
-    }
-
-    // After determining the Z-axis, its dot product with the Z-axis of the previous spine point is computed. If this value is negative, the Z-axis
-    // is flipped (multiplied by -1).
-    if ((tvec * pVecZ_Prev) < 0) tvec = -tvec;
-
-    return tvec.Normalize();
-}
-
-// <Extrusion
-// DEF=""                                 ID
-// USE=""                                 IDREF
-// beginCap="true"                        SFBool     [initializeOnly]
-// ccw="true"                             SFBool     [initializeOnly]
-// convex="true"                          SFBool     [initializeOnly]
-// creaseAngle="0.0"                      SFloat     [initializeOnly]
-// crossSection="1 1 1 -1 -1 -1 -1 1 1 1" MFVec2f    [initializeOnly]
-// endCap="true"                          SFBool     [initializeOnly]
-// orientation="0 0 1 0"                  MFRotation [initializeOnly]
-// scale="1 1"                            MFVec2f    [initializeOnly]
-// solid="true"                           SFBool     [initializeOnly]
-// spine="0 0 0 0 1 0"                    MFVec3f    [initializeOnly]
-// />
-void X3DImporter::readExtrusion(XmlNode &node) {
-    std::string use, def;
-    bool beginCap = true;
-    bool ccw = true;
-    bool convex = true;
-    float creaseAngle = 0;
-    std::vector<aiVector2D> crossSection;
-    bool endCap = true;
-    std::vector<float> orientation;
-    std::vector<aiVector2D> scale;
-    bool solid = true;
-    std::vector<aiVector3D> spine;
-    X3DNodeElementBase *ne(nullptr);
-
-    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
-    XmlParser::getBoolAttribute(node, "beginCap", beginCap);
-    XmlParser::getBoolAttribute(node, "ccw", ccw);
-    XmlParser::getBoolAttribute(node, "convex", convex);
-    XmlParser::getFloatAttribute(node, "creaseAngle", creaseAngle);
-    X3DXmlHelper::getVector2DArrayAttribute(node, "crossSection", crossSection);
-    XmlParser::getBoolAttribute(node, "endCap", endCap);
-    X3DXmlHelper::getFloatArrayAttribute(node, "orientation", orientation);
-    X3DXmlHelper::getVector2DArrayAttribute(node, "scale", scale);
-    XmlParser::getBoolAttribute(node, "solid", solid);
-    X3DXmlHelper::getVector3DArrayAttribute(node, "spine", spine);
-
-    // if "USE" defined then find already defined element.
-    if (!use.empty()) {
-        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Extrusion, ne);
-    } else {
-        //
-        // check if default values must be assigned
-        //
-        if (spine.size() == 0) {
-            spine.resize(2);
-            spine[0].Set(0, 0, 0), spine[1].Set(0, 1, 0);
-        } else if (spine.size() == 1) {
-            throw DeadlyImportError("ParseNode_Geometry3D_Extrusion. Spine must have at least two points.");
-        }
-
-        if (crossSection.size() == 0) {
-            crossSection.resize(5);
-            crossSection[0].Set(1, 1), crossSection[1].Set(1, -1), crossSection[2].Set(-1, -1), crossSection[3].Set(-1, 1), crossSection[4].Set(1, 1);
-        }
-
-        { // orientation
-            size_t ori_size = orientation.size() / 4;
-
-            if (ori_size < spine.size()) {
-                float add_ori[4]; // values that will be added
-
-                if (ori_size == 1) // if "orientation" has one element(means one MFRotation with four components) then use it value for all spine points.
-                {
-                    add_ori[0] = orientation[0], add_ori[1] = orientation[1], add_ori[2] = orientation[2], add_ori[3] = orientation[3];
-                } else // else - use default values
-                {
-                    add_ori[0] = 0, add_ori[1] = 0, add_ori[2] = 1, add_ori[3] = 0;
-                }
-
-                orientation.reserve(spine.size() * 4);
-                for (size_t i = 0, i_e = (spine.size() - ori_size); i < i_e; i++)
-                    orientation.push_back(add_ori[0]), orientation.push_back(add_ori[1]), orientation.push_back(add_ori[2]), orientation.push_back(add_ori[3]);
-            }
-
-            if (orientation.size() % 4) throw DeadlyImportError("Attribute \"orientation\" in <Extrusion> must has multiple four quantity of numbers.");
-        } // END: orientation
-
-        { // scale
-            if (scale.size() < spine.size()) {
-                aiVector2D add_sc;
-
-                if (scale.size() == 1) // if "scale" has one element then use it value for all spine points.
-                    add_sc = scale[0];
-                else // else - use default values
-                    add_sc.Set(1, 1);
-
-                scale.reserve(spine.size());
-                for (size_t i = 0, i_e = (spine.size() - scale.size()); i < i_e; i++)
-                    scale.push_back(add_sc);
-            }
-        } // END: scale
-        //
-        // create and if needed - define new geometry object.
-        //
-        ne = new X3DNodeElementIndexedSet(X3DElemType::ENET_Extrusion, mNodeElementCur);
-        if (!def.empty()) ne->ID = def;
-
-        X3DNodeElementIndexedSet &ext_alias = *((X3DNodeElementIndexedSet *)ne); // create alias for conveience
-        // assign part of input data
-        ext_alias.CCW = ccw;
-        ext_alias.Convex = convex;
-        ext_alias.CreaseAngle = creaseAngle;
-        ext_alias.Solid = solid;
-
-        //
-        // How we done it at all?
-        // 1. At first we will calculate array of basises for every point in spine(look SCP in ISO-dic). Also "orientation" vector
-        // are applied vor every basis.
-        // 2. After that we can create array of point sets: which are scaled, transferred to basis of relative basis and at final translated to real position
-        // using relative spine point.
-        // 3. Next step is creating CoordIdx array(do not forget "-1" delimiter). While creating CoordIdx also created faces for begin and end caps, if
-        // needed. While createing CootdIdx is taking in account CCW flag.
-        // 4. The last step: create Vertices list.
-        //
-        bool spine_closed; // flag: true if spine curve is closed.
-        bool cross_closed; // flag: true if cross curve is closed.
-        std::vector<aiMatrix3x3> basis_arr; // array of basises. ROW_a - X, ROW_b - Y, ROW_c - Z.
-        std::vector<std::vector<aiVector3D>> pointset_arr; // array of point sets: cross curves.
-
-        // detect closed curves
-        GeometryHelper_Extrusion_CurveIsClosed(crossSection, true, true, cross_closed); // true - drop tail, true - remove duplicate end.
-        GeometryHelper_Extrusion_CurveIsClosed(spine, true, true, spine_closed); // true - drop tail, true - remove duplicate end.
-        // If both cap are requested and spine curve is closed then we can make only one cap. Because second cap will be the same surface.
-        if (spine_closed) {
-            beginCap |= endCap;
-            endCap = false;
-        }
-
-        { // 1. Calculate array of basises.
-            aiMatrix4x4 rotmat;
-            aiVector3D vecX(0), vecY(0), vecZ(0);
-
-            basis_arr.resize(spine.size());
-            for (size_t i = 0, i_e = spine.size(); i < i_e; i++) {
-                aiVector3D tvec;
-
-                // get axises of basis.
-                vecY = GeometryHelper_Extrusion_GetNextY(i, spine, spine_closed);
-                vecZ = GeometryHelper_Extrusion_GetNextZ(i, spine, spine_closed, vecZ);
-                vecX = (vecY ^ vecZ).Normalize();
-                // get rotation matrix and apply "orientation" to basis
-                aiMatrix4x4::Rotation(orientation[i * 4 + 3], aiVector3D(orientation[i * 4], orientation[i * 4 + 1], orientation[i * 4 + 2]), rotmat);
-                tvec = vecX, tvec *= rotmat, basis_arr[i].a1 = tvec.x, basis_arr[i].a2 = tvec.y, basis_arr[i].a3 = tvec.z;
-                tvec = vecY, tvec *= rotmat, basis_arr[i].b1 = tvec.x, basis_arr[i].b2 = tvec.y, basis_arr[i].b3 = tvec.z;
-                tvec = vecZ, tvec *= rotmat, basis_arr[i].c1 = tvec.x, basis_arr[i].c2 = tvec.y, basis_arr[i].c3 = tvec.z;
-            } // for(size_t i = 0, i_e = spine.size(); i < i_e; i++)
-        } // END: 1. Calculate array of basises
-
-        { // 2. Create array of point sets.
-            aiMatrix4x4 scmat;
-            std::vector<aiVector3D> tcross(crossSection.size());
-
-            pointset_arr.resize(spine.size());
-            for (size_t spi = 0, spi_e = spine.size(); spi < spi_e; spi++) {
-                aiVector3D tc23vec;
-
-                tc23vec.Set(scale[spi].x, 0, scale[spi].y);
-                aiMatrix4x4::Scaling(tc23vec, scmat);
-                for (size_t cri = 0, cri_e = crossSection.size(); cri < cri_e; cri++) {
-                    aiVector3D tvecX, tvecY, tvecZ;
-
-                    tc23vec.Set(crossSection[cri].x, 0, crossSection[cri].y);
-                    // apply scaling to point
-                    tcross[cri] = scmat * tc23vec;
-                    //
-                    // transfer point to new basis
-                    // calculate coordinate in new basis
-                    tvecX.Set(basis_arr[spi].a1, basis_arr[spi].a2, basis_arr[spi].a3), tvecX *= tcross[cri].x;
-                    tvecY.Set(basis_arr[spi].b1, basis_arr[spi].b2, basis_arr[spi].b3), tvecY *= tcross[cri].y;
-                    tvecZ.Set(basis_arr[spi].c1, basis_arr[spi].c2, basis_arr[spi].c3), tvecZ *= tcross[cri].z;
-                    // apply new coordinates and translate it to spine point.
-                    tcross[cri] = tvecX + tvecY + tvecZ + spine[spi];
-                } // for(size_t cri = 0, cri_e = crossSection.size(); cri < cri_e; i++)
-
-                pointset_arr[spi] = tcross; // store transferred point set
-            } // for(size_t spi = 0, spi_e = spine.size(); spi < spi_e; i++)
-        } // END: 2. Create array of point sets.
-
-        { // 3. Create CoordIdx.
-            // add caps if needed
-            if (beginCap) {
-                // add cap as polygon. vertices of cap are places at begin, so just add numbers from zero.
-                for (size_t i = 0, i_e = crossSection.size(); i < i_e; i++)
-                    ext_alias.CoordIndex.push_back(static_cast<int32_t>(i));
-
-                // add delimiter
-                ext_alias.CoordIndex.push_back(-1);
-            } // if(beginCap)
-
-            if (endCap) {
-                // add cap as polygon. vertices of cap are places at end, as for beginCap use just sequence of numbers but with offset.
-                size_t beg = (pointset_arr.size() - 1) * crossSection.size();
-
-                for (size_t i = beg, i_e = (beg + crossSection.size()); i < i_e; i++)
-                    ext_alias.CoordIndex.push_back(static_cast<int32_t>(i));
-
-                // add delimiter
-                ext_alias.CoordIndex.push_back(-1);
-            } // if(beginCap)
-
-            // add quads
-            for (size_t spi = 0, spi_e = (spine.size() - 1); spi <= spi_e; spi++) {
-                const size_t cr_sz = crossSection.size();
-                const size_t cr_last = crossSection.size() - 1;
-
-                size_t right_col; // hold index basis for points of quad placed in right column;
-
-                if (spi != spi_e)
-                    right_col = spi + 1;
-                else if (spine_closed) // if spine curve is closed then one more quad is needed: between first and last points of curve.
-                    right_col = 0;
-                else
-                    break; // if spine curve is not closed then break the loop, because spi is out of range for that type of spine.
-
-                for (size_t cri = 0; cri < cr_sz; cri++) {
-                    if (cri != cr_last) {
-                        MACRO_FACE_ADD_QUAD(ccw, ext_alias.CoordIndex,
-                                static_cast<int32_t>(spi * cr_sz + cri),
-                                static_cast<int32_t>(right_col * cr_sz + cri),
-                                static_cast<int32_t>(right_col * cr_sz + cri + 1),
-                                static_cast<int32_t>(spi * cr_sz + cri + 1));
-                        // add delimiter
-                        ext_alias.CoordIndex.push_back(-1);
-                    } else if (cross_closed) // if cross curve is closed then one more quad is needed: between first and last points of curve.
-                    {
-                        MACRO_FACE_ADD_QUAD(ccw, ext_alias.CoordIndex,
-                                static_cast<int32_t>(spi * cr_sz + cri),
-                                static_cast<int32_t>(right_col * cr_sz + cri),
-                                static_cast<int32_t>(right_col * cr_sz + 0),
-                                static_cast<int32_t>(spi * cr_sz + 0));
-                        // add delimiter
-                        ext_alias.CoordIndex.push_back(-1);
-                    }
-                } // for(size_t cri = 0; cri < cr_sz; cri++)
-            } // for(size_t spi = 0, spi_e = (spine.size() - 2); spi < spi_e; spi++)
-        } // END: 3. Create CoordIdx.
-
-        { // 4. Create vertices list.
-            // just copy all vertices
-            for (size_t spi = 0, spi_e = spine.size(); spi < spi_e; spi++) {
-                for (size_t cri = 0, cri_e = crossSection.size(); cri < cri_e; cri++) {
-                    ext_alias.Vertices.emplace_back(pointset_arr[spi][cri]);
-                }
-            }
-        } // END: 4. Create vertices list.
-        //PrintVectorSet("Ext. CoordIdx", ext_alias.CoordIndex);
-        //PrintVectorSet("Ext. Vertices", ext_alias.Vertices);
-        // check for child nodes
-        if (!isNodeEmpty(node))
-            childrenReadMetadata(node, ne, "Extrusion");
-        else
-            mNodeElementCur->Children.push_back(ne); // add made object as child to current element
-
-        NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
-    } // if(!use.empty()) else
-}
-
-// <IndexedFaceSet
-// DEF=""                         ID
-// USE=""                         IDREF
-// ccw="true"             SFBool  [initializeOnly]
-// colorIndex=""          MFInt32 [initializeOnly]
-// colorPerVertex="true"  SFBool  [initializeOnly]
-// convex="true"          SFBool  [initializeOnly]
-// coordIndex=""          MFInt32 [initializeOnly]
-// creaseAngle="0"        SFFloat [initializeOnly]
-// normalIndex=""         MFInt32 [initializeOnly]
-// normalPerVertex="true" SFBool  [initializeOnly]
-// solid="true"           SFBool  [initializeOnly]
-// texCoordIndex=""       MFInt32 [initializeOnly]
-// >
-//    <!-- ComposedGeometryContentModel -->
-// ComposedGeometryContentModel is the child-node content model corresponding to X3DComposedGeometryNodes. It can contain Color (or ColorRGBA), Coordinate,
-// Normal and TextureCoordinate, in any order. No more than one instance of these nodes is allowed. Multiple VertexAttribute (FloatVertexAttribute,
-// Matrix3VertexAttribute, Matrix4VertexAttribute) nodes can also be contained.
-// A ProtoInstance node (with the proper node type) can be substituted for any node in this content model.
-// </IndexedFaceSet>
-void X3DImporter::readIndexedFaceSet(XmlNode &node) {
-    std::string use, def;
-    bool ccw = true;
-    std::vector<int32_t> colorIndex;
-    bool colorPerVertex = true;
-    bool convex = true;
-    std::vector<int32_t> coordIndex;
-    float creaseAngle = 0;
-    std::vector<int32_t> normalIndex;
-    bool normalPerVertex = true;
-    bool solid = true;
-    std::vector<int32_t> texCoordIndex;
-    X3DNodeElementBase *ne(nullptr);
-
-    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
-    XmlParser::getBoolAttribute(node, "ccw", ccw);
-    X3DXmlHelper::getInt32ArrayAttribute(node, "colorIndex", colorIndex);
-    XmlParser::getBoolAttribute(node, "colorPerVertex", colorPerVertex);
-    XmlParser::getBoolAttribute(node, "convex", convex);
-    X3DXmlHelper::getInt32ArrayAttribute(node, "coordIndex", coordIndex);
-    XmlParser::getFloatAttribute(node, "creaseAngle", creaseAngle);
-    X3DXmlHelper::getInt32ArrayAttribute(node, "normalIndex", normalIndex);
-    XmlParser::getBoolAttribute(node, "normalPerVertex", normalPerVertex);
-    XmlParser::getBoolAttribute(node, "solid", solid);
-    X3DXmlHelper::getInt32ArrayAttribute(node, "texCoordIndex", texCoordIndex);
-
-    // if "USE" defined then find already defined element.
-    if (!use.empty()) {
-        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_IndexedFaceSet, ne);
-    } else {
-        // check data
-        if (coordIndex.size() == 0) throw DeadlyImportError("IndexedFaceSet must contain not empty \"coordIndex\" attribute.");
-
-        // create and if needed - define new geometry object.
-        ne = new X3DNodeElementIndexedSet(X3DElemType::ENET_IndexedFaceSet, mNodeElementCur);
-        if (!def.empty()) ne->ID = def;
-
-        X3DNodeElementIndexedSet &ne_alias = *((X3DNodeElementIndexedSet *)ne);
-
-        ne_alias.CCW = ccw;
-        ne_alias.ColorIndex = colorIndex;
-        ne_alias.ColorPerVertex = colorPerVertex;
-        ne_alias.Convex = convex;
-        ne_alias.CoordIndex = coordIndex;
-        ne_alias.CreaseAngle = creaseAngle;
-        ne_alias.NormalIndex = normalIndex;
-        ne_alias.NormalPerVertex = normalPerVertex;
-        ne_alias.Solid = solid;
-        ne_alias.TexCoordIndex = texCoordIndex;
-        // check for child nodes
-        if (!isNodeEmpty(node)) {
-            ParseHelper_Node_Enter(ne);
-            for (auto currentChildNode : node.children()) {
-                const std::string &currentChildName = currentChildNode.name();
-                // check for X3DComposedGeometryNodes
-                if (currentChildName == "Color")
-                    readColor(currentChildNode);
-                else if (currentChildName == "ColorRGBA")
-                    readColorRGBA(currentChildNode);
-                else if (currentChildName == "Coordinate")
-                    readCoordinate(currentChildNode);
-                else if (currentChildName == "Normal")
-                    readNormal(currentChildNode);
-                else if (currentChildName == "TextureCoordinate")
-                    readTextureCoordinate(currentChildNode);
-                // check for X3DMetadataObject
-                else if (!checkForMetadataNode(currentChildNode))
-                    skipUnsupportedNode("IndexedFaceSet", currentChildNode);
-            }
-            ParseHelper_Node_Exit();
-        } // if(!isNodeEmpty(node))
-        else {
-            mNodeElementCur->Children.push_back(ne); // add made object as child to current element
-        }
-
-        NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
-    } // if(!use.empty()) else
-}
-
-// <Sphere
-// DEF=""       ID
-// USE=""       IDREF
-// radius="1"   SFloat [initializeOnly]
-// solid="true" SFBool [initializeOnly]
-// />
-void X3DImporter::readSphere(XmlNode &node) {
-    std::string use, def;
-    ai_real radius = 1;
-    bool solid = true;
-    X3DNodeElementBase *ne(nullptr);
-
-    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
-    XmlParser::getRealAttribute(node, "radius", radius);
-    XmlParser::getBoolAttribute(node, "solid", solid);
-
-    // if "USE" defined then find already defined element.
-    if (!use.empty()) {
-        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Sphere, ne);
-    } else {
-        const unsigned int tess = 3; ///TODO: IME tessellation factor through ai_property
-
-        std::vector<aiVector3D> tlist;
-
-        // create and if needed - define new geometry object.
-        ne = new X3DNodeElementGeometry3D(X3DElemType::ENET_Sphere, mNodeElementCur);
-        if (!def.empty()) ne->ID = def;
-
-        StandardShapes::MakeSphere(tess, tlist);
-        // copy data from temp array and apply scale
-        for (std::vector<aiVector3D>::iterator it = tlist.begin(); it != tlist.end(); ++it) {
-            aiVector3D v = *it;
-            ((X3DNodeElementGeometry3D *)ne)->Vertices.emplace_back(v * radius);
-        }
-
-        ((X3DNodeElementGeometry3D *)ne)->Solid = solid;
-        ((X3DNodeElementGeometry3D *)ne)->NumIndices = 3;
-        // check for X3DMetadataObject childs.
-        if (!isNodeEmpty(node))
-            childrenReadMetadata(node, ne, "Sphere");
-        else
-            mNodeElementCur->Children.push_back(ne); // add made object as child to current element
-
-        NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
-    } // if(!use.empty()) else
-}
-
-} // namespace Assimp
-
-#endif // !ASSIMP_BUILD_NO_X3D_IMPORTER