/// <summary>
/// Handles a vertex list record
/// </summary>
/// <returns></returns>
protected bool HandleVertexList()
{
VertexList vl = new VertexList(this);
vl.Parse();
return(true);
}
/// <summary>
/// Prepares the vertices and triangulates the faces ready for creating a mesh.
/// </summary>
public override void PrepareForImport()
{
// Do we draw this face?
if (FlagsHidden)
{
return;
}
if (Parent is InterRecord)
{
InterRecord ir = Parent as InterRecord;
// Find vertex list
VertexList vl = Children.Find(o => o is VertexList) as VertexList;
if (vl != null)
{
int startIndex = ir.Vertices.Count;
int[] triangles = null;
//////////////////////////
// Triangle
//////////////////////////
if (vl.Offsets.Count == 3)
{
// DuckbearLab: FIX! Inverted X so inverted order too
triangles = new int[] { startIndex + 2, startIndex + 1, startIndex };
// Extract verts for this triangle
foreach (int vwcI in vl.Offsets)
{
VertexWithColor vwc = Header.VertexPalette.Vertices[vwcI];
ir.Vertices.Add(vwc);
}
}
//////////////////////////
// Polygon
//////////////////////////
else
{
// Extract verts and positions for triangulation of this face
List <Vector3> positions = new List <Vector3>(vl.Offsets.Count);
Vector3 faceNormal = Vector3.zero; // Need the normal to convert the positions to 2d for triangulation.
foreach (int vwcI in vl.Offsets)
{
VertexWithColor vwc = Header.VertexPalette.Vertices[vwcI];
ir.Vertices.Add(vwc);
positions.Add(new Vector3((float)vwc.Coordinate[0], (float)vwc.Coordinate[1], (float)vwc.Coordinate[2]));
if (vwc is VertexWithColorNormal)
{
faceNormal += (vwc as VertexWithColorNormal).Normal;
}
}
faceNormal.Normalize();
// Triangulate the face
Triangulator triangulator = new Triangulator();
triangulator.initTriangulator(positions, faceNormal);
triangles = triangulator.Triangulate(0);
// Apply index offset
for (int i = 0; i < triangles.Length; ++i)
{
triangles[i] += startIndex;
}
}
// We now have our triangles. Lets find the correct submesh to add them to.
KeyValuePair <IntermediateMaterial, List <int> > submesh = ir.FindOrCreateSubMesh(this);
submesh.Value.AddRange(triangles);
}
else
{
Log.WriteWarning(ID + "- Could not find vertex list for face");
}
}
else
{
Log.WriteWarning("Face is not a child of a InterRecord, can not create face.");
}
base.ImportIntoScene();
}