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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
