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/// \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_Macro.hpp"
#include "X3DXmlHelper.h"
#include "X3DGeoHelper.h"
namespace Assimp {
//
// 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::readArc2D(XmlNode &node) {
std::string def, use;
float endAngle = AI_MATH_HALF_PI_F;
float radius = 1;
float startAngle = 0;
X3DNodeElementBase *ne(nullptr);
MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
XmlParser::getFloatAttribute(node, "endAngle", endAngle);
XmlParser::getFloatAttribute(node, "radius", radius);
XmlParser::getFloatAttribute(node, "startAngle", startAngle);
// if "USE" defined then find already defined element.
if (!use.empty()) {
ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Arc2D, ne);
} else {
// create and if needed - define new geometry object.
ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Arc2D, mNodeElementCur);
if (!def.empty()) ne->ID = def;
// create point list of geometry object and convert it to line set.
std::list tlist;
X3DGeoHelper::make_arc2D(startAngle, endAngle, radius, 10, tlist); ///TODO: IME - AI_CONFIG for NumSeg
X3DGeoHelper::extend_point_to_line(tlist, ((X3DNodeElementGeometry2D *)ne)->Vertices);
((X3DNodeElementGeometry2D *)ne)->NumIndices = 2;
// check for X3DMetadataObject childs.
if (!isNodeEmpty(node))
childrenReadMetadata(node, ne, "Arc2D");
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
}
//
// 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::readArcClose2D(XmlNode &node) {
std::string def, use;
std::string closureType("PIE");
float endAngle = AI_MATH_HALF_PI_F;
float radius = 1;
bool solid = false;
float startAngle = 0;
X3DNodeElementBase *ne(nullptr);
MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
XmlParser::getStdStrAttribute(node, "closureType", closureType);
XmlParser::getFloatAttribute(node, "endAngle", endAngle);
XmlParser::getFloatAttribute(node, "endAngle", endAngle);
XmlParser::getFloatAttribute(node, "radius", radius);
XmlParser::getBoolAttribute(node, "solid", solid);
XmlParser::getFloatAttribute(node, "startAngle", startAngle);
// if "USE" defined then find already defined element.
if (!use.empty()) {
ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_ArcClose2D, ne);
} else {
// create and if needed - define new geometry object.
ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_ArcClose2D, mNodeElementCur);
if (!def.empty()) ne->ID = def;
((X3DNodeElementGeometry2D *)ne)->Solid = solid;
// create point list of geometry object.
X3DGeoHelper::make_arc2D(startAngle, endAngle, radius, 10, ((X3DNodeElementGeometry2D *)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 &vlist = ((X3DNodeElementGeometry2D *)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("ArcClose2D", "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).
}
((X3DNodeElementGeometry2D *)ne)->NumIndices = ((X3DNodeElementGeometry2D *)ne)->Vertices.size();
// check for X3DMetadataObject childs.
if (!isNodeEmpty(node))
childrenReadMetadata(node, ne, "ArcClose2D");
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
}
//
void X3DImporter::readCircle2D(XmlNode &node) {
std::string def, use;
float radius = 1;
X3DNodeElementBase *ne(nullptr);
MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
XmlParser::getFloatAttribute(node, "radius", radius);
// if "USE" defined then find already defined element.
if (!use.empty()) {
ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Circle2D, ne);
} else {
// create and if needed - define new geometry object.
ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Circle2D, mNodeElementCur);
if (!def.empty()) ne->ID = def;
// create point list of geometry object and convert it to line set.
std::list tlist;
X3DGeoHelper::make_arc2D(0, 0, radius, 10, tlist); ///TODO: IME - AI_CONFIG for NumSeg
X3DGeoHelper::extend_point_to_line(tlist, ((X3DNodeElementGeometry2D *)ne)->Vertices);
((X3DNodeElementGeometry2D *)ne)->NumIndices = 2;
// check for X3DMetadataObject childs.
if (!isNodeEmpty(node))
childrenReadMetadata(node, ne, "Circle2D");
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
}
//
// 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::readDisk2D(XmlNode &node) {
std::string def, use;
float innerRadius = 0;
float outerRadius = 1;
bool solid = false;
X3DNodeElementBase *ne(nullptr);
MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
XmlParser::getFloatAttribute(node, "innerRadius", innerRadius);
XmlParser::getFloatAttribute(node, "outerRadius", outerRadius);
XmlParser::getBoolAttribute(node, "solid", solid);
// if "USE" defined then find already defined element.
if (!use.empty()) {
ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Disk2D, ne);
} else {
std::list tlist_o, tlist_i;
if (innerRadius > outerRadius) Throw_IncorrectAttrValue("Disk2D", "innerRadius");
// create and if needed - define new geometry object.
ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Disk2D, mNodeElementCur);
if (!def.empty()) ne->ID = def;
// create point list of geometry object.
///TODO: IME - AI_CONFIG for NumSeg
X3DGeoHelper::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.
((X3DNodeElementGeometry2D *)ne)->Vertices = tlist_o;
((X3DNodeElementGeometry2D *)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.
X3DGeoHelper::extend_point_to_line(tlist_o, ((X3DNodeElementGeometry2D *)ne)->Vertices);
((X3DNodeElementGeometry2D *)ne)->NumIndices = 2;
} else { // make disk
std::list &vlist = ((X3DNodeElementGeometry2D *)ne)->Vertices; // just short alias.
X3DGeoHelper::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::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
((X3DNodeElementGeometry2D *)ne)->NumIndices = 4;
}
((X3DNodeElementGeometry2D *)ne)->Solid = solid;
// check for X3DMetadataObject childs.
if (!isNodeEmpty(node))
childrenReadMetadata(node, ne, "Disk2D");
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
}
//
void X3DImporter::readPolyline2D(XmlNode &node) {
std::string def, use;
std::list lineSegments;
X3DNodeElementBase *ne(nullptr);
MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
X3DXmlHelper::getVector2DListAttribute(node, "lineSegments", lineSegments);
// if "USE" defined then find already defined element.
if (!use.empty()) {
ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Polyline2D, ne);
} else {
// create and if needed - define new geometry object.
ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Polyline2D, mNodeElementCur);
if (!def.empty()) ne->ID = def;
//
// convert read point list of geometry object to line set.
//
std::list tlist;
// convert vec2 to vec3
for (std::list::iterator it2 = lineSegments.begin(); it2 != lineSegments.end(); ++it2)
tlist.push_back(aiVector3D(it2->x, it2->y, 0));
// convert point set to line set
X3DGeoHelper::extend_point_to_line(tlist, ((X3DNodeElementGeometry2D *)ne)->Vertices);
((X3DNodeElementGeometry2D *)ne)->NumIndices = 2;
// check for X3DMetadataObject childs.
if (!isNodeEmpty(node))
childrenReadMetadata(node, ne, "Polyline2D");
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
}
//
void X3DImporter::readPolypoint2D(XmlNode &node) {
std::string def, use;
std::list point;
X3DNodeElementBase *ne(nullptr);
MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
X3DXmlHelper::getVector2DListAttribute(node, "point", point);
// if "USE" defined then find already defined element.
if (!use.empty()) {
ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Polypoint2D, ne);
} else {
// create and if needed - define new geometry object.
ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Polypoint2D, mNodeElementCur);
if (!def.empty()) ne->ID = def;
// convert vec2 to vec3
for (std::list::iterator it2 = point.begin(); it2 != point.end(); ++it2) {
((X3DNodeElementGeometry2D *)ne)->Vertices.push_back(aiVector3D(it2->x, it2->y, 0));
}
((X3DNodeElementGeometry2D *)ne)->NumIndices = 1;
// check for X3DMetadataObject childs.
if (!isNodeEmpty(node))
childrenReadMetadata(node, ne, "Polypoint2D");
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
}
//
void X3DImporter::readRectangle2D(XmlNode &node) {
std::string def, use;
aiVector2D size(2, 2);
bool solid = false;
X3DNodeElementBase *ne(nullptr);
MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
X3DXmlHelper::getVector2DAttribute(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_Rectangle2D, ne);
} else {
// create and if needed - define new geometry object.
ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Rectangle2D, mNodeElementCur);
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 &vlist = ((X3DNodeElementGeometry2D *)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
((X3DNodeElementGeometry2D *)ne)->Solid = solid;
((X3DNodeElementGeometry2D *)ne)->NumIndices = 4;
// check for X3DMetadataObject childs.
if (!isNodeEmpty(node))
childrenReadMetadata(node, ne, "Rectangle2D");
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
}
//
void X3DImporter::readTriangleSet2D(XmlNode &node) {
std::string def, use;
bool solid = false;
std::list vertices;
X3DNodeElementBase *ne(nullptr);
MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
X3DXmlHelper::getVector2DListAttribute(node, "vertices", vertices);
XmlParser::getBoolAttribute(node, "solid", solid);
// if "USE" defined then find already defined element.
if (!use.empty()) {
ne = MACRO_USE_CHECKANDAPPLY(node, 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 X3DNodeElementGeometry2D(X3DElemType::ENET_TriangleSet2D, mNodeElementCur);
if (!def.empty()) ne->ID = def;
// convert vec2 to vec3
for (std::list::iterator it2 = vertices.begin(); it2 != vertices.end(); ++it2) {
((X3DNodeElementGeometry2D *)ne)->Vertices.push_back(aiVector3D(it2->x, it2->y, 0));
}
((X3DNodeElementGeometry2D *)ne)->Solid = solid;
((X3DNodeElementGeometry2D *)ne)->NumIndices = 3;
// check for X3DMetadataObject childs.
if (!isNodeEmpty(node))
childrenReadMetadata(node, ne, "TriangleSet2D");
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