468 lines
21 KiB
C++
468 lines
21 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2019, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/// \file X3DImporter_Geometry2D.cpp
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/// \brief Parsing data from nodes of "Geometry2D" set of X3D.
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/// date 2015-2016
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/// author smal.root@gmail.com
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#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
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#include "X3DImporter.hpp"
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#include "X3DImporter_Macro.hpp"
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#include "X3DXmlHelper.h"
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#include "X3DGeoHelper.h"
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namespace Assimp {
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// <Arc2D
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// DEF="" ID
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// USE="" IDREF
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// endAngle="1.570796" SFFloat [initializeOnly]
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// radius="1" SFFloat [initializeOnly]
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// startAngle="0" SFFloat [initializeOnly]
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// />
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// 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
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// 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
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// counterclockwise to the endAngle. The values of startAngle and endAngle shall be in the range [-2pi, 2pi] radians (or the equivalent if a different
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// angle base unit has been specified). If startAngle and endAngle have the same value, a circle is specified.
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void X3DImporter::readArc2D(XmlNode &node) {
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std::string def, use;
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float endAngle = AI_MATH_HALF_PI_F;
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float radius = 1;
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float startAngle = 0;
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X3DNodeElementBase *ne(nullptr);
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MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
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XmlParser::getFloatAttribute(node, "endAngle", endAngle);
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XmlParser::getFloatAttribute(node, "radius", radius);
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XmlParser::getFloatAttribute(node, "startAngle", startAngle);
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// if "USE" defined then find already defined element.
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if (!use.empty()) {
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MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Arc2D, ne);
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} else {
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// create and if needed - define new geometry object.
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ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Arc2D, mNodeElementCur);
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if (!def.empty()) ne->ID = def;
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// create point list of geometry object and convert it to line set.
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std::list<aiVector3D> tlist;
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X3DGeoHelper::make_arc2D(startAngle, endAngle, radius, 10, tlist); ///TODO: IME - AI_CONFIG for NumSeg
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X3DGeoHelper::extend_point_to_line(tlist, ((X3DNodeElementGeometry2D *)ne)->Vertices);
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((X3DNodeElementGeometry2D *)ne)->NumIndices = 2;
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// check for X3DMetadataObject childs.
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if (!isNodeEmpty(node))
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childrenReadMetadata(node, ne, "Arc2D");
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else
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mNodeElementCur->Children.push_back(ne); // add made object as child to current element
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NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
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} // if(!use.empty()) else
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}
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// <ArcClose2D
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// DEF="" ID
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// USE="" IDREF
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// closureType="PIE" SFString [initializeOnly], {"PIE", "CHORD"}
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// endAngle="1.570796" SFFloat [initializeOnly]
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// radius="1" SFFloat [initializeOnly]
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// solid="false" SFBool [initializeOnly]
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// startAngle="0" SFFloat [initializeOnly]
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// />
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// 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
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// 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
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// 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
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// 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
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// been specified). If startAngle and endAngle have the same value, a circle is specified and closureType is ignored. If the absolute difference between
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// 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.
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// 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
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// 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
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// 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
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// 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.
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void X3DImporter::readArcClose2D(XmlNode &node) {
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std::string def, use;
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std::string closureType("PIE");
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float endAngle = AI_MATH_HALF_PI_F;
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float radius = 1;
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bool solid = false;
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float startAngle = 0;
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X3DNodeElementBase *ne(nullptr);
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MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
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XmlParser::getStdStrAttribute(node, "closureType", closureType);
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XmlParser::getFloatAttribute(node, "endAngle", endAngle);
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XmlParser::getFloatAttribute(node, "endAngle", endAngle);
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XmlParser::getFloatAttribute(node, "radius", radius);
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XmlParser::getBoolAttribute(node, "solid", solid);
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XmlParser::getFloatAttribute(node, "startAngle", startAngle);
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// if "USE" defined then find already defined element.
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if (!use.empty()) {
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MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_ArcClose2D, ne);
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} else {
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// create and if needed - define new geometry object.
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ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_ArcClose2D, mNodeElementCur);
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if (!def.empty()) ne->ID = def;
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((X3DNodeElementGeometry2D *)ne)->Solid = solid;
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// create point list of geometry object.
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X3DGeoHelper::make_arc2D(startAngle, endAngle, radius, 10, ((X3DNodeElementGeometry2D *)ne)->Vertices); ///TODO: IME - AI_CONFIG for NumSeg
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// add chord or two radiuses only if not a circle was defined
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if (!((std::fabs(endAngle - startAngle) >= AI_MATH_TWO_PI_F) || (endAngle == startAngle))) {
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std::list<aiVector3D> &vlist = ((X3DNodeElementGeometry2D *)ne)->Vertices; // just short alias.
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if ((closureType == "PIE") || (closureType == "\"PIE\""))
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vlist.push_back(aiVector3D(0, 0, 0)); // center point - first radial line
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else if ((closureType != "CHORD") && (closureType != "\"CHORD\""))
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Throw_IncorrectAttrValue("ArcClose2D", "closureType");
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vlist.push_back(*vlist.begin()); // arc first point - chord from first to last point of arc(if CHORD) or second radial line(if PIE).
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}
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((X3DNodeElementGeometry2D *)ne)->NumIndices = ((X3DNodeElementGeometry2D *)ne)->Vertices.size();
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// check for X3DMetadataObject childs.
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if (!isNodeEmpty(node))
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childrenReadMetadata(node, ne, "ArcClose2D");
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else
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mNodeElementCur->Children.push_back(ne); // add made object as child to current element
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NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
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} // if(!use.empty()) else
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}
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// <Circle2D
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// DEF="" ID
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// USE="" IDREF
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// radius="1" SFFloat [initializeOnly]
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// />
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void X3DImporter::readCircle2D(XmlNode &node) {
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std::string def, use;
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float radius = 1;
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X3DNodeElementBase *ne(nullptr);
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MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
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XmlParser::getFloatAttribute(node, "radius", radius);
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// if "USE" defined then find already defined element.
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if (!use.empty()) {
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MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Circle2D, ne);
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} else {
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// create and if needed - define new geometry object.
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ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Circle2D, mNodeElementCur);
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if (!def.empty()) ne->ID = def;
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// create point list of geometry object and convert it to line set.
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std::list<aiVector3D> tlist;
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X3DGeoHelper::make_arc2D(0, 0, radius, 10, tlist); ///TODO: IME - AI_CONFIG for NumSeg
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X3DGeoHelper::extend_point_to_line(tlist, ((X3DNodeElementGeometry2D *)ne)->Vertices);
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((X3DNodeElementGeometry2D *)ne)->NumIndices = 2;
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// check for X3DMetadataObject childs.
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if (!isNodeEmpty(node))
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childrenReadMetadata(node, ne, "Circle2D");
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else
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mNodeElementCur->Children.push_back(ne); // add made object as child to current element
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NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
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} // if(!use.empty()) else
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}
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// <Disk2D
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// DEF="" ID
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// USE="" IDREF
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// innerRadius="0" SFFloat [initializeOnly]
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// outerRadius="1" SFFloat [initializeOnly]
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// solid="false" SFBool [initializeOnly]
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// />
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// 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
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// outer dimension of the Disk2D. The innerRadius field specifies the inner dimension of the Disk2D. The value of outerRadius shall be greater than zero.
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// 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
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// filled. Otherwise, the area within the innerRadius forms a hole in the Disk2D. If innerRadius is equal to outerRadius, a solid circular line shall
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// 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
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// 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.
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void X3DImporter::readDisk2D(XmlNode &node) {
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std::string def, use;
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float innerRadius = 0;
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float outerRadius = 1;
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bool solid = false;
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X3DNodeElementBase *ne(nullptr);
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MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
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XmlParser::getFloatAttribute(node, "innerRadius", innerRadius);
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XmlParser::getFloatAttribute(node, "outerRadius", outerRadius);
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XmlParser::getBoolAttribute(node, "solid", solid);
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// if "USE" defined then find already defined element.
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if (!use.empty()) {
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MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Disk2D, ne);
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} else {
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std::list<aiVector3D> tlist_o, tlist_i;
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if (innerRadius > outerRadius) Throw_IncorrectAttrValue("Disk2D", "innerRadius");
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// create and if needed - define new geometry object.
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ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Disk2D, mNodeElementCur);
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if (!def.empty()) ne->ID = def;
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// create point list of geometry object.
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///TODO: IME - AI_CONFIG for NumSeg
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X3DGeoHelper::make_arc2D(0, 0, outerRadius, 10, tlist_o); // outer circle
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if (innerRadius == 0.0f) { // make filled disk
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// in tlist_o we already have points of circle. just copy it and sign as polygon.
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((X3DNodeElementGeometry2D *)ne)->Vertices = tlist_o;
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((X3DNodeElementGeometry2D *)ne)->NumIndices = tlist_o.size();
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} else if (innerRadius == outerRadius) { // make circle
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// in tlist_o we already have points of circle. convert it to line set.
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X3DGeoHelper::extend_point_to_line(tlist_o, ((X3DNodeElementGeometry2D *)ne)->Vertices);
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((X3DNodeElementGeometry2D *)ne)->NumIndices = 2;
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} else { // make disk
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std::list<aiVector3D> &vlist = ((X3DNodeElementGeometry2D *)ne)->Vertices; // just short alias.
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X3DGeoHelper::make_arc2D(0, 0, innerRadius, 10, tlist_i); // inner circle
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//
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// create quad list from two point lists
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//
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if (tlist_i.size() < 2) throw DeadlyImportError("Disk2D. Not enough points for creating quad list."); // tlist_i and tlist_o has equal size.
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// add all quads except last
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for (std::list<aiVector3D>::iterator it_i = tlist_i.begin(), it_o = tlist_o.begin(); it_i != tlist_i.end();) {
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// do not forget - CCW direction
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vlist.push_back(*it_i++); // 1st point
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vlist.push_back(*it_o++); // 2nd point
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vlist.push_back(*it_o); // 3rd point
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vlist.push_back(*it_i); // 4th point
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}
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// add last quad
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vlist.push_back(*tlist_i.end()); // 1st point
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vlist.push_back(*tlist_o.end()); // 2nd point
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vlist.push_back(*tlist_o.begin()); // 3rd point
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vlist.push_back(*tlist_o.begin()); // 4th point
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((X3DNodeElementGeometry2D *)ne)->NumIndices = 4;
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}
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((X3DNodeElementGeometry2D *)ne)->Solid = solid;
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// check for X3DMetadataObject childs.
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if (!isNodeEmpty(node))
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childrenReadMetadata(node, ne, "Disk2D");
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else
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mNodeElementCur->Children.push_back(ne); // add made object as child to current element
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NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
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} // if(!use.empty()) else
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}
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// <Polyline2D
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// DEF="" ID
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// USE="" IDREF
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// lineSegments="" MFVec2F [intializeOnly]
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// />
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void X3DImporter::readPolyline2D(XmlNode &node) {
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std::string def, use;
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std::list<aiVector2D> lineSegments;
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X3DNodeElementBase *ne(nullptr);
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MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
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X3DXmlHelper::getVector2DListAttribute(node, "lineSegments", lineSegments);
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// if "USE" defined then find already defined element.
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if (!use.empty()) {
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MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Polyline2D, ne);
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} else {
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// create and if needed - define new geometry object.
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ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Polyline2D, mNodeElementCur);
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if (!def.empty()) ne->ID = def;
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//
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// convert read point list of geometry object to line set.
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//
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std::list<aiVector3D> tlist;
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// convert vec2 to vec3
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for (std::list<aiVector2D>::iterator it2 = lineSegments.begin(); it2 != lineSegments.end(); ++it2)
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tlist.push_back(aiVector3D(it2->x, it2->y, 0));
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// convert point set to line set
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X3DGeoHelper::extend_point_to_line(tlist, ((X3DNodeElementGeometry2D *)ne)->Vertices);
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((X3DNodeElementGeometry2D *)ne)->NumIndices = 2;
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// check for X3DMetadataObject childs.
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if (!isNodeEmpty(node))
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childrenReadMetadata(node, ne, "Polyline2D");
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else
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mNodeElementCur->Children.push_back(ne); // add made object as child to current element
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NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
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} // if(!use.empty()) else
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}
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// <Polypoint2D
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// DEF="" ID
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// USE="" IDREF
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// point="" MFVec2F [inputOutput]
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// />
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void X3DImporter::readPolypoint2D(XmlNode &node) {
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std::string def, use;
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std::list<aiVector2D> point;
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X3DNodeElementBase *ne(nullptr);
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MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
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X3DXmlHelper::getVector2DListAttribute(node, "point", point);
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// if "USE" defined then find already defined element.
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if (!use.empty()) {
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MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Polypoint2D, ne);
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} else {
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// create and if needed - define new geometry object.
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ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Polypoint2D, mNodeElementCur);
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if (!def.empty()) ne->ID = def;
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// convert vec2 to vec3
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for (std::list<aiVector2D>::iterator it2 = point.begin(); it2 != point.end(); ++it2) {
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((X3DNodeElementGeometry2D *)ne)->Vertices.push_back(aiVector3D(it2->x, it2->y, 0));
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}
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((X3DNodeElementGeometry2D *)ne)->NumIndices = 1;
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// check for X3DMetadataObject childs.
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if (!isNodeEmpty(node))
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childrenReadMetadata(node, ne, "Polypoint2D");
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else
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mNodeElementCur->Children.push_back(ne); // add made object as child to current element
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NodeElement_List.push_back(ne); // add element to node element list because its a new object in graph
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} // if(!use.empty()) else
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}
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// <Rectangle2D
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// DEF="" ID
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// USE="" IDREF
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// size="2 2" SFVec2f [initializeOnly]
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// solid="false" SFBool [initializeOnly]
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// />
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void X3DImporter::readRectangle2D(XmlNode &node) {
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std::string def, use;
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aiVector2D size(2, 2);
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bool solid = false;
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X3DNodeElementBase *ne(nullptr);
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MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
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X3DXmlHelper::getVector2DAttribute(node, "size", size);
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XmlParser::getBoolAttribute(node, "solid", solid);
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// if "USE" defined then find already defined element.
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if (!use.empty()) {
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MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Rectangle2D, ne);
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} else {
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// create and if needed - define new geometry object.
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ne = new X3DNodeElementGeometry2D(X3DElemType::ENET_Rectangle2D, mNodeElementCur);
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if (!def.empty()) ne->ID = def;
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float x1 = -size.x / 2.0f;
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float x2 = size.x / 2.0f;
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float y1 = -size.y / 2.0f;
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float y2 = size.y / 2.0f;
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std::list<aiVector3D> &vlist = ((X3DNodeElementGeometry2D *)ne)->Vertices; // just short alias.
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vlist.push_back(aiVector3D(x2, y1, 0)); // 1st point
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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
|
|
}
|
|
|
|
// <TriangleSet2D
|
|
// DEF="" ID
|
|
// USE="" IDREF
|
|
// solid="false" SFBool [initializeOnly]
|
|
// vertices="" MFVec2F [inputOutput]
|
|
// />
|
|
void X3DImporter::readTriangleSet2D(XmlNode &node) {
|
|
std::string def, use;
|
|
bool solid = false;
|
|
std::list<aiVector2D> 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()) {
|
|
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<aiVector2D>::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
|