// <mesh>
// </mesh>
// A 3D mesh hull.
// Multi elements - Yes.
// Parent element - <object>.
void AMFImporter::ParseNode_Mesh()
{
CAMFImporter_NodeElement* ne;
// create new mesh object.
ne = new CAMFImporter_NodeElement_Mesh(mNodeElement_Cur);
// Check for child nodes
if(!mReader->isEmptyElement())
{
bool vert_read = false;
ParseHelper_Node_Enter(ne);
MACRO_NODECHECK_LOOPBEGIN("mesh");
if(XML_CheckNode_NameEqual("vertices"))
{
// Check if data already defined.
if(vert_read) Throw_MoreThanOnceDefined("vertices", "Only one vertices set can be defined for <mesh>.");
// read data and set flag about it
ParseNode_Vertices();
vert_read = true;
continue;
}
if(XML_CheckNode_NameEqual("volume")) { ParseNode_Volume(); continue; }
MACRO_NODECHECK_LOOPEND("mesh");
ParseHelper_Node_Exit();
}// if(!mReader->isEmptyElement())
else
{
mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element
}// if(!mReader->isEmptyElement()) else
mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph.
}
// <coordinates>
// </coordinates>
// Specifies the 3D location of this vertex.
// Multi elements - No.
// Parent element - <vertex>.
//
// Children elements:
// <x>, <y>, <z>
// Multi elements - No.
// X, Y, or Z coordinate, respectively, of a vertex position in space.
void AMFImporter::ParseNode_Coordinates()
{
CAMFImporter_NodeElement* ne;
// create new color object.
ne = new CAMFImporter_NodeElement_Coordinates(mNodeElement_Cur);
CAMFImporter_NodeElement_Coordinates& als = *((CAMFImporter_NodeElement_Coordinates*)ne);// alias for convenience
// Check for child nodes
if(!mReader->isEmptyElement())
{
bool read_flag[3] = { false, false, false };
ParseHelper_Node_Enter(ne);
MACRO_NODECHECK_LOOPBEGIN("coordinates");
MACRO_NODECHECK_READCOMP_F("x", read_flag[0], als.Coordinate.x);
MACRO_NODECHECK_READCOMP_F("y", read_flag[1], als.Coordinate.y);
MACRO_NODECHECK_READCOMP_F("z", read_flag[2], als.Coordinate.z);
MACRO_NODECHECK_LOOPEND("coordinates");
ParseHelper_Node_Exit();
// check that all components was defined
if((read_flag[0] && read_flag[1] && read_flag[2]) == 0) throw DeadlyImportError("Not all coordinate's components are defined.");
}// if(!mReader->isEmptyElement())
else
{
mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element
}// if(!mReader->isEmptyElement()) else
mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph.
}
// <volume
// materialid="" - Which material to use.
// type="" - What this volume describes can be “region” or “support”. If none specified, “object” is assumed. If support, then the geometric
// requirements 1-8 listed in section 5 do not need to be maintained.
// >
// </volume>
// Defines a volume from the established vertex list.
// Multi elements - Yes.
// Parent element - <mesh>.
void AMFImporter::ParseNode_Volume()
{
std::string materialid;
std::string type;
CAMFImporter_NodeElement* ne;
// Read attributes for node <color>.
MACRO_ATTRREAD_LOOPBEG;
MACRO_ATTRREAD_CHECK_RET("materialid", materialid, mReader->getAttributeValue);
MACRO_ATTRREAD_CHECK_RET("type", type, mReader->getAttributeValue);
MACRO_ATTRREAD_LOOPEND;
// create new object.
ne = new CAMFImporter_NodeElement_Volume(mNodeElement_Cur);
// and assign read data
((CAMFImporter_NodeElement_Volume*)ne)->MaterialID = materialid;
((CAMFImporter_NodeElement_Volume*)ne)->Type = type;
// Check for child nodes
if(!mReader->isEmptyElement())
{
bool col_read = false;
ParseHelper_Node_Enter(ne);
MACRO_NODECHECK_LOOPBEGIN("volume");
if(XML_CheckNode_NameEqual("color"))
{
// Check if data already defined.
if(col_read) Throw_MoreThanOnceDefined("color", "Only one color can be defined for <volume>.");
// read data and set flag about it
ParseNode_Color();
col_read = true;
continue;
}
if(XML_CheckNode_NameEqual("triangle")) { ParseNode_Triangle(); continue; }
if(XML_CheckNode_NameEqual("metadata")) { ParseNode_Metadata(); continue; }
MACRO_NODECHECK_LOOPEND("volume");
ParseHelper_Node_Exit();
}// if(!mReader->isEmptyElement())
else
{
mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element
}// if(!mReader->isEmptyElement()) else
mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph.
}
// <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::ParseNode_Shape_Appearance()
{
std::string use, def;
CX3DImporter_NodeElement* ne( nullptr );
MACRO_ATTRREAD_LOOPBEG;
MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
MACRO_ATTRREAD_LOOPEND;
// if "USE" defined then find already defined element.
if(!use.empty())
{
MACRO_USE_CHECKANDAPPLY(def, use, ENET_Appearance, ne);
}
else
{
// create and if needed - define new geometry object.
ne = new CX3DImporter_NodeElement_Appearance(NodeElement_Cur);
if(!def.empty()) ne->ID = def;
// check for child nodes
if(!mReader->isEmptyElement())
{
ParseHelper_Node_Enter(ne);
MACRO_NODECHECK_LOOPBEGIN("Appearance");
if(XML_CheckNode_NameEqual("Material")) { ParseNode_Shape_Material(); continue; }
if(XML_CheckNode_NameEqual("ImageTexture")) { ParseNode_Texturing_ImageTexture(); continue; }
if(XML_CheckNode_NameEqual("TextureTransform")) { ParseNode_Texturing_TextureTransform(); continue; }
// check for X3DMetadataObject
if(!ParseHelper_CheckRead_X3DMetadataObject()) XML_CheckNode_SkipUnsupported("Appearance");
MACRO_NODECHECK_LOOPEND("Appearance");
ParseHelper_Node_Exit();
}// if(!mReader->isEmptyElement())
else
{
NodeElement_Cur->Child.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
}
// <vertices>
// </vertices>
// The list of vertices to be used in defining triangles.
// Multi elements - No.
// Parent element - <mesh>.
void AMFImporter::ParseNode_Vertices()
{
CAMFImporter_NodeElement* ne;
// create new mesh object.
ne = new CAMFImporter_NodeElement_Vertices(mNodeElement_Cur);
// Check for child nodes
if(!mReader->isEmptyElement())
{
ParseHelper_Node_Enter(ne);
MACRO_NODECHECK_LOOPBEGIN("vertices");
if(XML_CheckNode_NameEqual("vertex")) { ParseNode_Vertex(); continue; }
MACRO_NODECHECK_LOOPEND("vertices");
ParseHelper_Node_Exit();
}// if(!mReader->isEmptyElement())
else
{
mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element
}// if(!mReader->isEmptyElement()) else
mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph.
}
void X3DImporter::ParseNode_Metadata(CX3DImporter_NodeElement* pParentElement, const std::string& /*pNodeName*/)
{
ParseHelper_Node_Enter(pParentElement);
MACRO_NODECHECK_METADATA(mReader->getNodeName());
ParseHelper_Node_Exit();
}
// <Shape
// DEF="" ID
// USE="" IDREF
// bboxCenter="0 0 0" SFVec3f [initializeOnly]
// bboxSize="-1 -1 -1" SFVec3f [initializeOnly]
// >
// <!-- ShapeChildContentModel -->
// "ShapeChildContentModel is the child-node content model corresponding to X3DShapeNode. ShapeChildContentModel can contain a single Appearance node and a
// single geometry node, in any order.
// A ProtoInstance node (with the proper node type) can be substituted for any node in this content model."
// </Shape>
// A Shape node is unlit if either of the following is true:
// The shape's appearance field is NULL (default).
// The material field in the Appearance node is NULL (default).
// NOTE Geometry nodes that represent lines or points do not support lighting.
void X3DImporter::ParseNode_Shape_Shape()
{
std::string use, def;
CX3DImporter_NodeElement* ne( nullptr );
MACRO_ATTRREAD_LOOPBEG;
MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
MACRO_ATTRREAD_LOOPEND;
// if "USE" defined then find already defined element.
if(!use.empty())
{
MACRO_USE_CHECKANDAPPLY(def, use, ENET_Shape, ne);
}
else
{
// create and if needed - define new geometry object.
ne = new CX3DImporter_NodeElement_Shape(NodeElement_Cur);
if(!def.empty()) ne->ID = def;
// check for child nodes
if(!mReader->isEmptyElement())
{
ParseHelper_Node_Enter(ne);
MACRO_NODECHECK_LOOPBEGIN("Shape");
// check for appearance node
if(XML_CheckNode_NameEqual("Appearance")) { ParseNode_Shape_Appearance(); continue; }
// check for X3DGeometryNodes
if(XML_CheckNode_NameEqual("Arc2D")) { ParseNode_Geometry2D_Arc2D(); continue; }
if(XML_CheckNode_NameEqual("ArcClose2D")) { ParseNode_Geometry2D_ArcClose2D(); continue; }
if(XML_CheckNode_NameEqual("Circle2D")) { ParseNode_Geometry2D_Circle2D(); continue; }
if(XML_CheckNode_NameEqual("Disk2D")) { ParseNode_Geometry2D_Disk2D(); continue; }
if(XML_CheckNode_NameEqual("Polyline2D")) { ParseNode_Geometry2D_Polyline2D(); continue; }
if(XML_CheckNode_NameEqual("Polypoint2D")) { ParseNode_Geometry2D_Polypoint2D(); continue; }
if(XML_CheckNode_NameEqual("Rectangle2D")) { ParseNode_Geometry2D_Rectangle2D(); continue; }
if(XML_CheckNode_NameEqual("TriangleSet2D")) { ParseNode_Geometry2D_TriangleSet2D(); continue; }
if(XML_CheckNode_NameEqual("Box")) { ParseNode_Geometry3D_Box(); continue; }
if(XML_CheckNode_NameEqual("Cone")) { ParseNode_Geometry3D_Cone(); continue; }
if(XML_CheckNode_NameEqual("Cylinder")) { ParseNode_Geometry3D_Cylinder(); continue; }
if(XML_CheckNode_NameEqual("ElevationGrid")) { ParseNode_Geometry3D_ElevationGrid(); continue; }
if(XML_CheckNode_NameEqual("Extrusion")) { ParseNode_Geometry3D_Extrusion(); continue; }
if(XML_CheckNode_NameEqual("IndexedFaceSet")) { ParseNode_Geometry3D_IndexedFaceSet(); continue; }
if(XML_CheckNode_NameEqual("Sphere")) { ParseNode_Geometry3D_Sphere(); continue; }
if(XML_CheckNode_NameEqual("IndexedLineSet")) { ParseNode_Rendering_IndexedLineSet(); continue; }
if(XML_CheckNode_NameEqual("LineSet")) { ParseNode_Rendering_LineSet(); continue; }
if(XML_CheckNode_NameEqual("PointSet")) { ParseNode_Rendering_PointSet(); continue; }
if(XML_CheckNode_NameEqual("IndexedTriangleFanSet")) { ParseNode_Rendering_IndexedTriangleFanSet(); continue; }
if(XML_CheckNode_NameEqual("IndexedTriangleSet")) { ParseNode_Rendering_IndexedTriangleSet(); continue; }
if(XML_CheckNode_NameEqual("IndexedTriangleStripSet")) { ParseNode_Rendering_IndexedTriangleStripSet(); continue; }
if(XML_CheckNode_NameEqual("TriangleFanSet")) { ParseNode_Rendering_TriangleFanSet(); continue; }
if(XML_CheckNode_NameEqual("TriangleSet")) { ParseNode_Rendering_TriangleSet(); continue; }
if(XML_CheckNode_NameEqual("TriangleStripSet")) { ParseNode_Rendering_TriangleStripSet(); continue; }
// check for X3DMetadataObject
if(!ParseHelper_CheckRead_X3DMetadataObject()) XML_CheckNode_SkipUnsupported("Shape");
MACRO_NODECHECK_LOOPEND("Shape");
ParseHelper_Node_Exit();
}// if(!mReader->isEmptyElement())
else
{
NodeElement_Cur->Child.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
}
// <triangle>
// </triangle>
// Defines a 3D triangle from three vertices, according to the right-hand rule (counter-clockwise when looking from the outside).
// Multi elements - Yes.
// Parent element - <volume>.
//
// Children elements:
// <v1>, <v2>, <v3>
// Multi elements - No.
// Index of the desired vertices in a triangle or edge.
void AMFImporter::ParseNode_Triangle()
{
CAMFImporter_NodeElement* ne;
// create new color object.
ne = new CAMFImporter_NodeElement_Triangle(mNodeElement_Cur);
CAMFImporter_NodeElement_Triangle& als = *((CAMFImporter_NodeElement_Triangle*)ne);// alias for convenience
// Check for child nodes
if(!mReader->isEmptyElement())
{
bool col_read = false, tex_read = false;
bool read_flag[3] = { false, false, false };
ParseHelper_Node_Enter(ne);
MACRO_NODECHECK_LOOPBEGIN("triangle");
if(XML_CheckNode_NameEqual("color"))
{
// Check if data already defined.
if(col_read) Throw_MoreThanOnceDefined("color", "Only one color can be defined for <triangle>.");
// read data and set flag about it
ParseNode_Color();
col_read = true;
continue;
}
if(XML_CheckNode_NameEqual("texmap"))// new name of node: "texmap".
{
// Check if data already defined.
if(tex_read) Throw_MoreThanOnceDefined("texmap", "Only one texture coordinate can be defined for <triangle>.");
// read data and set flag about it
ParseNode_TexMap();
tex_read = true;
continue;
}
else if(XML_CheckNode_NameEqual("map"))// old name of node: "map".
{
// Check if data already defined.
if(tex_read) Throw_MoreThanOnceDefined("map", "Only one texture coordinate can be defined for <triangle>.");
// read data and set flag about it
ParseNode_TexMap(true);
tex_read = true;
continue;
}
MACRO_NODECHECK_READCOMP_U32("v1", read_flag[0], als.V[0]);
MACRO_NODECHECK_READCOMP_U32("v2", read_flag[1], als.V[1]);
MACRO_NODECHECK_READCOMP_U32("v3", read_flag[2], als.V[2]);
MACRO_NODECHECK_LOOPEND("triangle");
ParseHelper_Node_Exit();
// check that all components was defined
if((read_flag[0] && read_flag[1] && read_flag[2]) == 0) throw DeadlyImportError("Not all vertices of the triangle are defined.");
}// if(!mReader->isEmptyElement())
else
{
mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element
}// if(!mReader->isEmptyElement()) else
mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph.
}
