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Open Asset Import Library (assimp)

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/// \file   X3DImporter_Texturing.cpp

/// \brief  Parsing data from nodes of "Texturing" 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 {

// <ImageTexture

// DEF=""         ID

// USE=""         IDREF

// repeatS="true" SFBool

// repeatT="true" SFBool

// url=""         MFString

// />

// When the url field contains no values ([]), texturing is disabled.

void X3DImporter::readImageTexture(XmlNode &node) {

    std::string use, def;

    bool repeatS = true;

    bool repeatT = true;

    std::list<std::string> url;

    X3DNodeElementBase *ne(nullptr);

    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);

    XmlParser::getBoolAttribute(node, "repeatS", repeatS);

    XmlParser::getBoolAttribute(node, "repeatT", repeatT);

    X3DXmlHelper::getStringListAttribute(node, "url", url);

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

    if (!use.empty()) {

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

    } else {

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

        ne = new X3DNodeElementImageTexture(mNodeElementCur);

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

        ((X3DNodeElementImageTexture *)ne)->RepeatS = repeatS;

        ((X3DNodeElementImageTexture *)ne)->RepeatT = repeatT;

        // Attribute "url" can contain list of strings. But we need only one - first.

        if (!url.empty())

            ((X3DNodeElementImageTexture *)ne)->URL = url.front();

        else

            ((X3DNodeElementImageTexture *)ne)->URL = "";

        // check for X3DMetadataObject childs.

        if (!isNodeEmpty(node))

            childrenReadMetadata(node, ne, "ImageTexture");

        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

}

// <TextureCoordinate

// DEF=""      ID

// USE=""      IDREF

// point=""    MFVec3f [inputOutput]

// />

void X3DImporter::readTextureCoordinate(XmlNode &node) {

    std::string use, def;

    std::list<aiVector2D> 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_TextureCoordinate, ne);

    } else {

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

        ne = new X3DNodeElementTextureCoordinate(mNodeElementCur);

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

        ((X3DNodeElementTextureCoordinate *)ne)->Value = point;

        // check for X3DMetadataObject childs.

        if (!isNodeEmpty(node))

            childrenReadMetadata(node, ne, "TextureCoordinate");

        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

}

// <TextureTransform

// DEF=""            ID

// USE=""            IDREF

// center="0 0"      SFVec2f [inputOutput]

// rotation="0"      SFFloat [inputOutput]

// scale="1 1"       SFVec2f [inputOutput]

// translation="0 0" SFVec2f [inputOutput]

// />

void X3DImporter::readTextureTransform(XmlNode &node) {

    std::string use, def;

    aiVector2D center(0, 0);

    float rotation = 0;

    aiVector2D scale(1, 1);

    aiVector2D translation(0, 0);

    X3DNodeElementBase *ne(nullptr);

    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);

    X3DXmlHelper::getVector2DAttribute(node, "center", center);

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

    X3DXmlHelper::getVector2DAttribute(node, "scale", scale);

    X3DXmlHelper::getVector2DAttribute(node, "translation", translation);

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

    if (!use.empty()) {

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

    } else {

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

        ne = new X3DNodeElementTextureTransform(mNodeElementCur);

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

        ((X3DNodeElementTextureTransform *)ne)->Center = center;

        ((X3DNodeElementTextureTransform *)ne)->Rotation = rotation;

        ((X3DNodeElementTextureTransform *)ne)->Scale = scale;

        ((X3DNodeElementTextureTransform *)ne)->Translation = translation;

        // check for X3DMetadataObject childs.

        if (!isNodeEmpty(node))

            childrenReadMetadata(node, ne, "TextureTransform");

        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