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Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Geometry3D.cpp')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Geometry3D.cpp | 918 |
1 files changed, 0 insertions, 918 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Geometry3D.cpp b/src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Geometry3D.cpp deleted file mode 100644 index b9fc2a4..0000000 --- a/src/mesh/assimp-master/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 ¤tChildName = 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 ¤tChildName = 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 |