public void Write(Asset model, Stream output)
{
XmlTextWriter doc = new XmlTextWriter(output, Encoding.UTF8);
doc.WriteStartDocument();
doc.WriteStartElement("COLLADA");
doc.WriteAttributeString("version", "1.4.0");
doc.WriteAttributeString("xmlns", "http://www.collada.org/2005/11/COLLADASchema");
WriteAsset(doc);
WriteGeometrieLibrary(doc, model);
WriteVisualScenesLibrary(doc, model);
WriteScene(doc, model);
doc.WriteEndElement();
doc.WriteEndDocument();
doc.Close();
}
private void WriteGeometrieLibrary(XmlTextWriter doc, Asset model)
{
doc.WriteStartElement("library_geometries");
doc.WriteStartElement("geometry");
doc.WriteAttributeString("id", "model");
doc.WriteAttributeString("name", "model");
doc.WriteStartElement("mesh");
#region Write Positions
doc.WriteStartElement("source");
doc.WriteAttributeString("id", "model-positions");
doc.WriteStartElement("float_array");
doc.WriteAttributeString("id", "model-positions-array");
doc.WriteAttributeString("count", (model.Vertices.Count * 3).ToString());
foreach (Vertex vertex in model.Vertices)
{
doc.WriteString(vertex.Coordinate.X.ToString("0.000000", culture) + " ");
doc.WriteString(vertex.Coordinate.Y.ToString("0.000000", culture) + " ");
doc.WriteString(vertex.Coordinate.Z.ToString("0.000000", culture) + " ");
}
doc.WriteEndElement(); // float_array
doc.WriteStartElement("technique_common");
doc.WriteStartElement("accessor");
doc.WriteAttributeString("count", model.Vertices.Count.ToString());
doc.WriteAttributeString("source", "#model-positions-array");
doc.WriteAttributeString("stride", "3");
doc.WriteStartElement("param");
doc.WriteAttributeString("name", "X");
doc.WriteAttributeString("type", "float");
doc.WriteEndElement();
doc.WriteStartElement("param");
doc.WriteAttributeString("name", "Y");
doc.WriteAttributeString("type", "float");
doc.WriteEndElement();
doc.WriteStartElement("param");
doc.WriteAttributeString("name", "Z");
doc.WriteAttributeString("type", "float");
doc.WriteEndElement();
doc.WriteEndElement(); // accessor
doc.WriteEndElement(); // technique_common
doc.WriteEndElement(); // source
#endregion
#region Write Normals
doc.WriteStartElement("source");
doc.WriteAttributeString("id", "model-normals");
doc.WriteStartElement("float_array");
doc.WriteAttributeString("id", "model-normals-array");
doc.WriteAttributeString("count", (model.Vertices.Count * 3).ToString());
foreach (Vertex vertex in model.Vertices)
{
doc.WriteString(vertex.Normals.X.ToString("0.000000", culture) + " ");
doc.WriteString(vertex.Normals.Y.ToString("0.000000", culture) + " ");
doc.WriteString(vertex.Normals.Z.ToString("0.000000", culture) + " ");
}
doc.WriteEndElement(); // float_array
doc.WriteStartElement("technique_common");
doc.WriteStartElement("accessor");
doc.WriteAttributeString("count", model.Vertices.Count.ToString());
doc.WriteAttributeString("source", "#model-normals-array");
doc.WriteAttributeString("stride", "3");
doc.WriteStartElement("param");
doc.WriteAttributeString("name", "X");
doc.WriteAttributeString("type", "float");
doc.WriteEndElement();
doc.WriteStartElement("param");
doc.WriteAttributeString("name", "Y");
doc.WriteAttributeString("type", "float");
doc.WriteEndElement();
doc.WriteStartElement("param");
doc.WriteAttributeString("name", "Z");
doc.WriteAttributeString("type", "float");
doc.WriteEndElement();
doc.WriteEndElement(); // accessor
doc.WriteEndElement(); // technique_common
doc.WriteEndElement(); // source
#endregion
#region Write UV
doc.WriteStartElement("source");
doc.WriteAttributeString("id", "model-uv");
doc.WriteStartElement("float_array");
doc.WriteAttributeString("id", "model-uv-array");
doc.WriteAttributeString("count", (model.Vertices.Count * 3).ToString());
foreach (Vertex vertex in model.Vertices)
{
doc.WriteString(vertex.TextureCoordinate.X.ToString("0.000000", culture) + " ");
doc.WriteString(vertex.TextureCoordinate.Y.ToString("0.000000", culture) + " ");
}
doc.WriteEndElement(); // float_array
doc.WriteStartElement("technique_common");
doc.WriteStartElement("accessor");
doc.WriteAttributeString("count", model.Vertices.Count.ToString());
doc.WriteAttributeString("source", "#model-uv-array");
doc.WriteAttributeString("stride", "3");
doc.WriteStartElement("param");
doc.WriteAttributeString("name", "S");
doc.WriteAttributeString("type", "float");
doc.WriteEndElement();
doc.WriteStartElement("param");
doc.WriteAttributeString("name", "T");
doc.WriteAttributeString("type", "float");
doc.WriteEndElement();
doc.WriteEndElement(); // accessor
doc.WriteEndElement(); // technique_common
doc.WriteEndElement(); // source
#endregion
#region write vertices node
doc.WriteStartElement("vertices");
doc.WriteAttributeString("id", "model-vertices");
doc.WriteStartElement("input");
doc.WriteAttributeString("semantic", "POSITION");
doc.WriteAttributeString("source", "#model-positions");
doc.WriteEndElement();
doc.WriteEndElement();
#endregion
#region write polylist node
doc.WriteStartElement("polylist");
doc.WriteAttributeString("count", model.Polygons.Count.ToString());
doc.WriteAttributeString("material", "");
doc.WriteStartElement("input");
doc.WriteAttributeString("offset", "0");
doc.WriteAttributeString("semantic", "VERTEX");
doc.WriteAttributeString("source", "#model-vertices");
doc.WriteEndElement();
doc.WriteStartElement("input");
doc.WriteAttributeString("offset", "1");
doc.WriteAttributeString("semantic", "NORMAL");
doc.WriteAttributeString("source", "#model-normal");
doc.WriteEndElement();
doc.WriteStartElement("input");
doc.WriteAttributeString("offset", "2");
doc.WriteAttributeString("semantic", "TEXTCOORD");
doc.WriteAttributeString("source", "#model-uv");
doc.WriteEndElement();
doc.WriteStartElement("vcount");
for (int i = 0; i < model.Polygons.Count; i++)
{
doc.WriteString("3 ");
}
doc.WriteEndElement();
doc.WriteStartElement("p");
for (int i = 0; i < model.Polygons.Count; i++)
{
Polygon poly = model.Polygons[i];
string point3 = poly.Point3Id.ToString();
doc.WriteString(point3 + " " + point3 + " " + point3 + " ");
string point2 = poly.Point2Id.ToString();
doc.WriteString(point2 + " " + point2 + " " + point2 + " ");
string point1 = poly.Point1Id.ToString();
doc.WriteString(point1 + " " + point1 + " " + point1 + " ");
}
doc.WriteEndElement();
doc.WriteEndElement();
#endregion
doc.WriteEndElement(); // mesh
doc.WriteEndElement(); // geometry
doc.WriteEndElement(); // library_geometries
doc.Flush();
}
private void WriteVisualScenesLibrary(XmlTextWriter doc, Asset model)
{
doc.WriteStartElement("library_visual_scenes");
doc.WriteStartElement("visual_scene");
doc.WriteAttributeString("id", "model-converter-scene");
doc.WriteAttributeString("name", "MocoChanScene");
doc.WriteStartElement("node");
doc.WriteAttributeString("layer", "L1");
doc.WriteAttributeString("id", "model-node");
doc.WriteAttributeString("name", "ModelNode");
/*
<translate sid="translate">0.00000 0.00000 0.00000</translate>
<rotate sid="rotateZ">0 0 1 0.00000</rotate>
<rotate sid="rotateY">0 1 0 0.00000</rotate>
<rotate sid="rotateX">1 0 0 0.00000</rotate>
<scale sid="scale">1.0000 1.0000 1.0000</scale>
*/
doc.WriteStartElement("instance_geometry");
doc.WriteAttributeString("url", "#model");
/*
<bind_material>
<technique_common>
<instance_material symbol="default" target="#default">
<bind_vertex_input input_semantic="TEXCOORD" input_set="1" semantic="CHANNEL1"/>
</instance_material>
</technique_common>
</bind_material>
*/
doc.WriteEndElement();
doc.WriteEndElement();
doc.WriteEndElement();
doc.WriteEndElement();
doc.Flush();
}
private void WriteScene(XmlTextWriter doc, Asset model)
{
doc.WriteStartElement("scene");
doc.WriteStartElement("instance_visual_scene");
doc.WriteAttributeString("url", "#model-converter-scene");
doc.WriteEndElement();
doc.WriteEndElement();
doc.Flush();
}
