/// <summary>
/// Parsing a small part of the Collada file, searching for the
/// "asset" element, containing information about the up axis.
/// Default up axis is Z.
/// </summary>
/// <remarks>
/// Scale is handled by the Collada importer in Unity.
/// </remarks>
/// <param name="colladaFilename">Collada filename including path.</param>
/// <returns>Collada info parsed.</returns>
public static ColladaInfo ParseColladaInfo(string colladaFilename)
{
var colladaInfo = new ColladaInfo()
{
UpAxis = ColladaInfo.Axis.Z
};
try {
var lines = ParseColladaAssetElement(colladaFilename);
if (lines != null)
{
var doc = XDocument.Parse(string.Join("\n", lines));
var assetElement = doc?.Element("asset");
var upAxisStr = assetElement?.Element("up_axis")?.Value;
if (!string.IsNullOrEmpty(upAxisStr))
{
colladaInfo.UpAxis = upAxisStr == "Z_UP" ?
ColladaInfo.Axis.Z :
upAxisStr == "Y_UP" ?
ColladaInfo.Axis.Y :
upAxisStr == "X_UP" ?
ColladaInfo.Axis.X :
ColladaInfo.Axis.Z; // Defaults to z if something is wrong.
}
}
}
catch {
}
return(colladaInfo);
}
private void ConvertColladaToSchematic()
{
CarbonFile targetFile = this.sourceFile.ChangeExtension(".schematic");
using (new ProfileRegion("Load Model Info"))
{
this.modelInfo = new ColladaInfo(this.sourceFile);
System.Diagnostics.Trace.TraceInformation("Model has {0} meshes", this.modelInfo.MeshInfos.Count);
}
using (new ProfileRegion("Process collada"))
{
this.model = ColladaProcessor.Process(this.modelInfo, null, null);
}
if (this.model.Groups == null)
{
Diagnostic.Error("Model has no group information");
return;
}
using (new ProfileRegion("Updating bounding box"))
{
this.UpdateBoundingBox();
}
using (new ProfileRegion("Converting mesh"))
{
this.ConvertMesh();
}
this.WriteSchematic(targetFile);
}
