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Open Asset Import Library (assimp)

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*/

/// \file   X3DImporter_Shape.cpp

/// \brief  Parsing data from nodes of "Shape" 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"

namespace Assimp {

void X3DImporter::readShape(XmlNode &node) {

    std::string use, def;

    X3DNodeElementBase *ne(nullptr);

    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);

    // if "USE" defined then find already defined element.

    if (!use.empty()) {

        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Shape, ne);

    } else {

        // create and if needed - define new geometry object.

        ne = new X3DNodeElementShape(mNodeElementCur);

        if (!def.empty()) ne->ID = def;

        // check for child nodes

        if (!isNodeEmpty(node)) {

            ParseHelper_Node_Enter(ne);

            for (auto currentChildNode : node.children()) {

                const std::string &currentChildName = currentChildNode.name();

                // check for appearance node

                if (currentChildName == "Appearance") readAppearance(currentChildNode);

                // check for X3DGeometryNodes

                else if (currentChildName == "Arc2D")

                    readArc2D(currentChildNode);

                else if (currentChildName == "ArcClose2D")

                    readArcClose2D(currentChildNode);

                else if (currentChildName == "Circle2D")

                    readCircle2D(currentChildNode);

                else if (currentChildName == "Disk2D")

                    readDisk2D(currentChildNode);

                else if (currentChildName == "Polyline2D")

                    readPolyline2D(currentChildNode);

                else if (currentChildName == "Polypoint2D")

                    readPolypoint2D(currentChildNode);

                else if (currentChildName == "Rectangle2D")

                    readRectangle2D(currentChildNode);

                else if (currentChildName == "TriangleSet2D")

                    readTriangleSet2D(currentChildNode);

                else if (currentChildName == "Box")

                    readBox(currentChildNode);

                else if (currentChildName == "Cone")

                    readCone(currentChildNode);

                else if (currentChildName == "Cylinder")

                    readCylinder(currentChildNode);

                else if (currentChildName == "ElevationGrid")

                    readElevationGrid(currentChildNode);

                else if (currentChildName == "Extrusion")

                    readExtrusion(currentChildNode);

                else if (currentChildName == "IndexedFaceSet")

                    readIndexedFaceSet(currentChildNode);

                else if (currentChildName == "Sphere")

                    readSphere(currentChildNode);

                else if (currentChildName == "IndexedLineSet")

                    readIndexedLineSet(currentChildNode);

                else if (currentChildName == "LineSet")

                    readLineSet(currentChildNode);

                else if (currentChildName == "PointSet")

                    readPointSet(currentChildNode);

                else if (currentChildName == "IndexedTriangleFanSet")

                    readIndexedTriangleFanSet(currentChildNode);

                else if (currentChildName == "IndexedTriangleSet")

                    readIndexedTriangleSet(currentChildNode);

                else if (currentChildName == "IndexedTriangleStripSet")

                    readIndexedTriangleStripSet(currentChildNode);

                else if (currentChildName == "TriangleFanSet")

                    readTriangleFanSet(currentChildNode);

                else if (currentChildName == "TriangleSet")

                    readTriangleSet(currentChildNode);

                // check for X3DMetadataObject

                else if (!checkForMetadataNode(currentChildNode))

                    skipUnsupportedNode("Shape", 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

}

// <Appearance

// DEF="" ID

// USE="" IDREF

// >

// <!-- AppearanceChildContentModel -->

// "Child-node content model corresponding to X3DAppearanceChildNode. Appearance can contain FillProperties, LineProperties, Material, any Texture node and

// any TextureTransform node, in any order. No more than one instance of these nodes is allowed. Appearance may also contain multiple shaders (ComposedShader,

// PackagedShader, ProgramShader).

// A ProtoInstance node (with the proper node type) can be substituted for any node in this content model."

// </Appearance>

void X3DImporter::readAppearance(XmlNode &node) {

    std::string use, def;

    X3DNodeElementBase *ne(nullptr);

    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);

    // if "USE" defined then find already defined element.

    if (!use.empty()) {

        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Appearance, ne);

    } else {

        // create and if needed - define new geometry object.

        ne = new X3DNodeElementAppearance(mNodeElementCur);

        if (!def.empty()) ne->ID = def;

        // check for child nodes

        if (!isNodeEmpty(node)) {

            ParseHelper_Node_Enter(ne);

            for (auto currentChildNode : node.children()) {

                const std::string &currentChildName = currentChildNode.name();

                if (currentChildName == "Material")

                    readMaterial(currentChildNode);

                else if (currentChildName == "ImageTexture")

                    readImageTexture(currentChildNode);

                else if (currentChildName == "TextureTransform")

                    readTextureTransform(currentChildNode);

                // check for X3DMetadataObject

                else if (!checkForMetadataNode(currentChildNode))

                    skipUnsupportedNode("Appearance", 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

}

// <Material

// DEF=""                     ID

// USE=""                     IDREF

// ambientIntensity="0.2"     SFFloat [inputOutput]

// diffuseColor="0.8 0.8 0.8" SFColor [inputOutput]

// emissiveColor="0 0 0"      SFColor [inputOutput]

// shininess="0.2"            SFFloat [inputOutput]

// specularColor="0 0 0"      SFColor [inputOutput]

// transparency="0"           SFFloat [inputOutput]

// />

void X3DImporter::readMaterial(XmlNode &node) {

    std::string use, def;

    float ambientIntensity = 0.2f;

    float shininess = 0.2f;

    float transparency = 0;

    aiColor3D diffuseColor(0.8f, 0.8f, 0.8f);

    aiColor3D emissiveColor(0, 0, 0);

    aiColor3D specularColor(0, 0, 0);

    X3DNodeElementBase *ne(nullptr);

    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);

    XmlParser::getFloatAttribute(node, "ambientIntensity", ambientIntensity);

    XmlParser::getFloatAttribute(node, "shininess", shininess);

    XmlParser::getFloatAttribute(node, "transparency", transparency);

    X3DXmlHelper::getColor3DAttribute(node, "diffuseColor", diffuseColor);

    X3DXmlHelper::getColor3DAttribute(node, "emissiveColor", emissiveColor);

    X3DXmlHelper::getColor3DAttribute(node, "specularColor", specularColor);

    // if "USE" defined then find already defined element.

    if (!use.empty()) {

        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Material, ne);

    } else {

        // create and if needed - define new geometry object.

        ne = new X3DNodeElementMaterial(mNodeElementCur);

        if (!def.empty()) ne->ID = def;

        ((X3DNodeElementMaterial *)ne)->AmbientIntensity = ambientIntensity;

        ((X3DNodeElementMaterial *)ne)->Shininess = shininess;

        ((X3DNodeElementMaterial *)ne)->Transparency = transparency;

        ((X3DNodeElementMaterial *)ne)->DiffuseColor = diffuseColor;

        ((X3DNodeElementMaterial *)ne)->EmissiveColor = emissiveColor;

        ((X3DNodeElementMaterial *)ne)->SpecularColor = specularColor;

        // check for child nodes

        if (!isNodeEmpty(node))

            childrenReadMetadata(node, ne, "Material");

        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