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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2017, 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_Geometry2D.cpp
+/// \brief Parsing data from nodes of "Geometry2D" set of X3D.
+/// \date 2015-2016
+/// \author smal.root@gmail.com
+
+#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
+
+#include "X3DImporter.hpp"
+#include "X3DImporter_Node.hpp"
+#include "X3DImporter_Macro.hpp"
+
+namespace Assimp
+{
+
+// <Arc2D
+// DEF="" ID
+// USE="" IDREF
+// endAngle="1.570796" SFFloat [initializeOnly]
+// radius="1" SFFloat [initializeOnly]
+// startAngle="0" SFFloat [initializeOnly]
+// />
+// The Arc2D node specifies a linear circular arc whose center is at (0,0) and whose angles are measured starting at the positive x-axis and sweeping
+// towards the positive y-axis. The radius field specifies the radius of the circle of which the arc is a portion. The arc extends from the startAngle
+// counterclockwise to the endAngle. The values of startAngle and endAngle shall be in the range [-2pi, 2pi] radians (or the equivalent if a different
+// angle base unit has been specified). If startAngle and endAngle have the same value, a circle is specified.
+void X3DImporter::ParseNode_Geometry2D_Arc2D()
+{
+ std::string def, use;
+ float endAngle = AI_MATH_HALF_PI_F;
+ float radius = 1;
+ float startAngle = 0;
+ CX3DImporter_NodeElement* ne( nullptr );
+
+ MACRO_ATTRREAD_LOOPBEG;
+ MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
+ MACRO_ATTRREAD_CHECK_RET("endAngle", endAngle, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_CHECK_RET("radius", radius, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_CHECK_RET("startAngle", startAngle, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_LOOPEND;
+
+ // if "USE" defined then find already defined element.
+ if(!use.empty())
+ {
+ MACRO_USE_CHECKANDAPPLY(def, use, ENET_Arc2D, ne);
+ }
+ else
+ {
+ // create and if needed - define new geometry object.
+ ne = new CX3DImporter_NodeElement_Geometry2D(CX3DImporter_NodeElement::ENET_Arc2D, NodeElement_Cur);
+ if(!def.empty()) ne->ID = def;
+
+ // create point list of geometry object and convert it to line set.
+ std::list<aiVector3D> tlist;
+
+ GeometryHelper_Make_Arc2D(startAngle, endAngle, radius, 10, tlist);///TODO: IME - AI_CONFIG for NumSeg
+ GeometryHelper_Extend_PointToLine(tlist, ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices);
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = 2;
+ // check for X3DMetadataObject childs.
+ if(!mReader->isEmptyElement())
+ ParseNode_Metadata(ne, "Arc2D");
+ else
+ NodeElement_Cur->Child.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
+}
+
+// <ArcClose2D
+// DEF="" ID
+// USE="" IDREF
+// closureType="PIE" SFString [initializeOnly], {"PIE", "CHORD"}
+// endAngle="1.570796" SFFloat [initializeOnly]
+// radius="1" SFFloat [initializeOnly]
+// solid="false" SFBool [initializeOnly]
+// startAngle="0" SFFloat [initializeOnly]
+// />
+// The ArcClose node specifies a portion of a circle whose center is at (0,0) and whose angles are measured starting at the positive x-axis and sweeping
+// towards the positive y-axis. The end points of the arc specified are connected as defined by the closureType field. The radius field specifies the radius
+// of the circle of which the arc is a portion. The arc extends from the startAngle counterclockwise to the endAngle. The value of radius shall be greater
+// than zero. The values of startAngle and endAngle shall be in the range [-2pi, 2pi] radians (or the equivalent if a different default angle base unit has
+// been specified). If startAngle and endAngle have the same value, a circle is specified and closureType is ignored. If the absolute difference between
+// startAngle and endAngle is greater than or equal to 2pi, a complete circle is produced with no chord or radial line(s) drawn from the center.
+// A closureType of "PIE" connects the end point to the start point by defining two straight line segments first from the end point to the center and then
+// the center to the start point. A closureType of "CHORD" connects the end point to the start point by defining a straight line segment from the end point
+// to the start point. Textures are applied individually to each face of the ArcClose2D. On the front (+Z) and back (-Z) faces of the ArcClose2D, when
+// viewed from the +Z-axis, the texture is mapped onto each face with the same orientation as if the image were displayed normally in 2D.
+void X3DImporter::ParseNode_Geometry2D_ArcClose2D()
+{
+ std::string def, use;
+ std::string closureType("PIE");
+ float endAngle = AI_MATH_HALF_PI_F;
+ float radius = 1;
+ bool solid = false;
+ float startAngle = 0;
+ CX3DImporter_NodeElement* ne( nullptr );
+
+ MACRO_ATTRREAD_LOOPBEG;
+ MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
+ MACRO_ATTRREAD_CHECK_RET("closureType", closureType, mReader->getAttributeValue);
+ MACRO_ATTRREAD_CHECK_RET("endAngle", endAngle, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_CHECK_RET("radius", radius, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool);
+ MACRO_ATTRREAD_CHECK_RET("startAngle", startAngle, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_LOOPEND;
+
+ // if "USE" defined then find already defined element.
+ if(!use.empty())
+ {
+ MACRO_USE_CHECKANDAPPLY(def, use, ENET_ArcClose2D, ne);
+ }
+ else
+ {
+ // create and if needed - define new geometry object.
+ ne = new CX3DImporter_NodeElement_Geometry2D(CX3DImporter_NodeElement::ENET_ArcClose2D, NodeElement_Cur);
+ if(!def.empty()) ne->ID = def;
+
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->Solid = solid;
+ // create point list of geometry object.
+ GeometryHelper_Make_Arc2D(startAngle, endAngle, radius, 10, ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices);///TODO: IME - AI_CONFIG for NumSeg
+ // add chord or two radiuses only if not a circle was defined
+ if(!((std::fabs(endAngle - startAngle) >= AI_MATH_TWO_PI_F) || (endAngle == startAngle)))
+ {
+ std::list<aiVector3D>& vlist = ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices;// just short alias.
+
+ if((closureType == "PIE") || (closureType == "\"PIE\""))
+ vlist.push_back(aiVector3D(0, 0, 0));// center point - first radial line
+ else if((closureType != "CHORD") && (closureType != "\"CHORD\""))
+ Throw_IncorrectAttrValue("closureType");
+
+ vlist.push_back(*vlist.begin());// arc first point - chord from first to last point of arc(if CHORD) or second radial line(if PIE).
+ }
+
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices.size();
+ // check for X3DMetadataObject childs.
+ if(!mReader->isEmptyElement())
+ ParseNode_Metadata(ne, "ArcClose2D");
+ else
+ NodeElement_Cur->Child.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
+}
+
+// <Circle2D
+// DEF="" ID
+// USE="" IDREF
+// radius="1" SFFloat [initializeOnly]
+// />
+void X3DImporter::ParseNode_Geometry2D_Circle2D()
+{
+ std::string def, use;
+ float radius = 1;
+ CX3DImporter_NodeElement* ne( nullptr );
+
+ MACRO_ATTRREAD_LOOPBEG;
+ MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
+ MACRO_ATTRREAD_CHECK_RET("radius", radius, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_LOOPEND;
+
+ // if "USE" defined then find already defined element.
+ if(!use.empty())
+ {
+ MACRO_USE_CHECKANDAPPLY(def, use, ENET_Circle2D, ne);
+ }
+ else
+ {
+ // create and if needed - define new geometry object.
+ ne = new CX3DImporter_NodeElement_Geometry2D(CX3DImporter_NodeElement::ENET_Circle2D, NodeElement_Cur);
+ if(!def.empty()) ne->ID = def;
+
+ // create point list of geometry object and convert it to line set.
+ std::list<aiVector3D> tlist;
+
+ GeometryHelper_Make_Arc2D(0, 0, radius, 10, tlist);///TODO: IME - AI_CONFIG for NumSeg
+ GeometryHelper_Extend_PointToLine(tlist, ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices);
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = 2;
+ // check for X3DMetadataObject childs.
+ if(!mReader->isEmptyElement())
+ ParseNode_Metadata(ne, "Circle2D");
+ else
+ NodeElement_Cur->Child.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
+}
+
+// <Disk2D
+// DEF="" ID
+// USE="" IDREF
+// innerRadius="0" SFFloat [initializeOnly]
+// outerRadius="1" SFFloat [initializeOnly]
+// solid="false" SFBool [initializeOnly]
+// />
+// The Disk2D node specifies a circular disk which is centred at (0, 0) in the local coordinate system. The outerRadius field specifies the radius of the
+// outer dimension of the Disk2D. The innerRadius field specifies the inner dimension of the Disk2D. The value of outerRadius shall be greater than zero.
+// The value of innerRadius shall be greater than or equal to zero and less than or equal to outerRadius. If innerRadius is zero, the Disk2D is completely
+// filled. Otherwise, the area within the innerRadius forms a hole in the Disk2D. If innerRadius is equal to outerRadius, a solid circular line shall
+// be drawn using the current line properties. Textures are applied individually to each face of the Disk2D. On the front (+Z) and back (-Z) faces of
+// the Disk2D, when viewed from the +Z-axis, the texture is mapped onto each face with the same orientation as if the image were displayed normally in 2D.
+void X3DImporter::ParseNode_Geometry2D_Disk2D()
+{
+ std::string def, use;
+ float innerRadius = 0;
+ float outerRadius = 1;
+ bool solid = false;
+ CX3DImporter_NodeElement* ne( nullptr );
+
+ MACRO_ATTRREAD_LOOPBEG;
+ MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
+ MACRO_ATTRREAD_CHECK_RET("innerRadius", innerRadius, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_CHECK_RET("outerRadius", outerRadius, XML_ReadNode_GetAttrVal_AsFloat);
+ MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool);
+ MACRO_ATTRREAD_LOOPEND;
+
+ // if "USE" defined then find already defined element.
+ if(!use.empty())
+ {
+ MACRO_USE_CHECKANDAPPLY(def, use, ENET_Disk2D, ne);
+ }
+ else
+ {
+ std::list<aiVector3D> tlist_o, tlist_i;
+
+ if(innerRadius > outerRadius) Throw_IncorrectAttrValue("innerRadius");
+
+ // create and if needed - define new geometry object.
+ ne = new CX3DImporter_NodeElement_Geometry2D(CX3DImporter_NodeElement::ENET_Disk2D, NodeElement_Cur);
+ if(!def.empty()) ne->ID = def;
+
+ // create point list of geometry object.
+ ///TODO: IME - AI_CONFIG for NumSeg
+ GeometryHelper_Make_Arc2D(0, 0, outerRadius, 10, tlist_o);// outer circle
+ if(innerRadius == 0.0f)
+ {// make filled disk
+ // in tlist_o we already have points of circle. just copy it and sign as polygon.
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices = tlist_o;
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = tlist_o.size();
+ }
+ else if(innerRadius == outerRadius)
+ {// make circle
+ // in tlist_o we already have points of circle. convert it to line set.
+ GeometryHelper_Extend_PointToLine(tlist_o, ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices);
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = 2;
+ }
+ else
+ {// make disk
+ std::list<aiVector3D>& vlist = ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices;// just short alias.
+
+ GeometryHelper_Make_Arc2D(0, 0, innerRadius, 10, tlist_i);// inner circle
+ //
+ // create quad list from two point lists
+ //
+ if(tlist_i.size() < 2) throw DeadlyImportError("Disk2D. Not enough points for creating quad list.");// tlist_i and tlist_o has equal size.
+
+ // add all quads except last
+ for(std::list<aiVector3D>::iterator it_i = tlist_i.begin(), it_o = tlist_o.begin(); it_i != tlist_i.end();)
+ {
+ // do not forget - CCW direction
+ vlist.push_back(*it_i++);// 1st point
+ vlist.push_back(*it_o++);// 2nd point
+ vlist.push_back(*it_o);// 3rd point
+ vlist.push_back(*it_i);// 4th point
+ }
+
+ // add last quad
+ vlist.push_back(*tlist_i.end());// 1st point
+ vlist.push_back(*tlist_o.end());// 2nd point
+ vlist.push_back(*tlist_o.begin());// 3rd point
+ vlist.push_back(*tlist_o.begin());// 4th point
+
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = 4;
+ }
+
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->Solid = solid;
+ // check for X3DMetadataObject childs.
+ if(!mReader->isEmptyElement())
+ ParseNode_Metadata(ne, "Disk2D");
+ else
+ NodeElement_Cur->Child.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
+}
+
+// <Polyline2D
+// DEF="" ID
+// USE="" IDREF
+// lineSegments="" MFVec2F [intializeOnly]
+// />
+void X3DImporter::ParseNode_Geometry2D_Polyline2D()
+{
+ std::string def, use;
+ std::list<aiVector2D> lineSegments;
+ CX3DImporter_NodeElement* ne( nullptr );
+
+ MACRO_ATTRREAD_LOOPBEG;
+ MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
+ MACRO_ATTRREAD_CHECK_REF("lineSegments", lineSegments, XML_ReadNode_GetAttrVal_AsListVec2f);
+ MACRO_ATTRREAD_LOOPEND;
+
+ // if "USE" defined then find already defined element.
+ if(!use.empty())
+ {
+ MACRO_USE_CHECKANDAPPLY(def, use, ENET_Polyline2D, ne);
+ }
+ else
+ {
+ // create and if needed - define new geometry object.
+ ne = new CX3DImporter_NodeElement_Geometry2D(CX3DImporter_NodeElement::ENET_Polyline2D, NodeElement_Cur);
+ if(!def.empty()) ne->ID = def;
+
+ //
+ // convert read point list of geometry object to line set.
+ //
+ std::list<aiVector3D> tlist;
+
+ // convert vec2 to vec3
+ for(std::list<aiVector2D>::iterator it2 = lineSegments.begin(); it2 != lineSegments.end(); it2++) tlist.push_back(aiVector3D(it2->x, it2->y, 0));
+
+ // convert point set to line set
+ GeometryHelper_Extend_PointToLine(tlist, ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices);
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = 2;
+ // check for X3DMetadataObject childs.
+ if(!mReader->isEmptyElement())
+ ParseNode_Metadata(ne, "Polyline2D");
+ else
+ NodeElement_Cur->Child.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
+}
+
+// <Polypoint2D
+// DEF="" ID
+// USE="" IDREF
+// point="" MFVec2F [inputOutput]
+// />
+void X3DImporter::ParseNode_Geometry2D_Polypoint2D()
+{
+ std::string def, use;
+ std::list<aiVector2D> point;
+ CX3DImporter_NodeElement* ne( nullptr );
+
+ MACRO_ATTRREAD_LOOPBEG;
+ MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
+ MACRO_ATTRREAD_CHECK_REF("point", point, XML_ReadNode_GetAttrVal_AsListVec2f);
+ MACRO_ATTRREAD_LOOPEND;
+
+ // if "USE" defined then find already defined element.
+ if(!use.empty())
+ {
+ MACRO_USE_CHECKANDAPPLY(def, use, ENET_Polypoint2D, ne);
+ }
+ else
+ {
+ // create and if needed - define new geometry object.
+ ne = new CX3DImporter_NodeElement_Geometry2D(CX3DImporter_NodeElement::ENET_Polypoint2D, NodeElement_Cur);
+ if(!def.empty()) ne->ID = def;
+
+ // convert vec2 to vec3
+ for(std::list<aiVector2D>::iterator it2 = point.begin(); it2 != point.end(); it2++)
+ {
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices.push_back(aiVector3D(it2->x, it2->y, 0));
+ }
+
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = 1;
+ // check for X3DMetadataObject childs.
+ if(!mReader->isEmptyElement())
+ ParseNode_Metadata(ne, "Polypoint2D");
+ else
+ NodeElement_Cur->Child.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
+}
+
+// <Rectangle2D
+// DEF="" ID
+// USE="" IDREF
+// size="2 2" SFVec2f [initializeOnly]
+// solid="false" SFBool [initializeOnly]
+// />
+void X3DImporter::ParseNode_Geometry2D_Rectangle2D()
+{
+ std::string def, use;
+ aiVector2D size(2, 2);
+ bool solid = false;
+ CX3DImporter_NodeElement* ne( nullptr );
+
+ MACRO_ATTRREAD_LOOPBEG;
+ MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
+ MACRO_ATTRREAD_CHECK_REF("size", size, XML_ReadNode_GetAttrVal_AsVec2f);
+ MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool);
+ MACRO_ATTRREAD_LOOPEND;
+
+ // if "USE" defined then find already defined element.
+ if(!use.empty())
+ {
+ MACRO_USE_CHECKANDAPPLY(def, use, ENET_Rectangle2D, ne);
+ }
+ else
+ {
+ // create and if needed - define new geometry object.
+ ne = new CX3DImporter_NodeElement_Geometry2D(CX3DImporter_NodeElement::ENET_Rectangle2D, NodeElement_Cur);
+ if(!def.empty()) ne->ID = def;
+
+ float x1 = -size.x / 2.0f;
+ float x2 = size.x / 2.0f;
+ float y1 = -size.y / 2.0f;
+ float y2 = size.y / 2.0f;
+ std::list<aiVector3D>& vlist = ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices;// just short alias.
+
+ vlist.push_back(aiVector3D(x2, y1, 0));// 1st point
+ vlist.push_back(aiVector3D(x2, y2, 0));// 2nd point
+ vlist.push_back(aiVector3D(x1, y2, 0));// 3rd point
+ vlist.push_back(aiVector3D(x1, y1, 0));// 4th point
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->Solid = solid;
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = 4;
+ // check for X3DMetadataObject childs.
+ if(!mReader->isEmptyElement())
+ ParseNode_Metadata(ne, "Rectangle2D");
+ else
+ NodeElement_Cur->Child.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
+}
+
+// <TriangleSet2D
+// DEF="" ID
+// USE="" IDREF
+// solid="false" SFBool [initializeOnly]
+// vertices="" MFVec2F [inputOutput]
+// />
+void X3DImporter::ParseNode_Geometry2D_TriangleSet2D()
+{
+ std::string def, use;
+ bool solid = false;
+ std::list<aiVector2D> vertices;
+ CX3DImporter_NodeElement* ne( nullptr );
+
+ MACRO_ATTRREAD_LOOPBEG;
+ MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
+ MACRO_ATTRREAD_CHECK_REF("vertices", vertices, XML_ReadNode_GetAttrVal_AsListVec2f);
+ MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool);
+ MACRO_ATTRREAD_LOOPEND;
+
+ // if "USE" defined then find already defined element.
+ if(!use.empty())
+ {
+ MACRO_USE_CHECKANDAPPLY(def, use, ENET_TriangleSet2D, ne);
+ }
+ else
+ {
+ if(vertices.size() % 3) throw DeadlyImportError("TriangleSet2D. Not enough points for defining triangle.");
+
+ // create and if needed - define new geometry object.
+ ne = new CX3DImporter_NodeElement_Geometry2D(CX3DImporter_NodeElement::ENET_TriangleSet2D, NodeElement_Cur);
+ if(!def.empty()) ne->ID = def;
+
+ // convert vec2 to vec3
+ for(std::list<aiVector2D>::iterator it2 = vertices.begin(); it2 != vertices.end(); it2++)
+ {
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->Vertices.push_back(aiVector3D(it2->x, it2->y, 0));
+ }
+
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->Solid = solid;
+ ((CX3DImporter_NodeElement_Geometry2D*)ne)->NumIndices = 3;
+ // check for X3DMetadataObject childs.
+ if(!mReader->isEmptyElement())
+ ParseNode_Metadata(ne, "TriangleSet2D");
+ else
+ NodeElement_Cur->Child.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