void ImportMaterialLibraries(ObjLine materialLine, BabylonScene scene)
{
for (int i = 1; i < materialLine.Tokens.Length; i++)
{
string fileName = materialLine.Tokens[i];
var mtlDocument = new Document<MtlLine>(File.ReadAllText(fileName));
StandardMaterial currentMaterial = null;
foreach (var lines in mtlDocument.Blocks)
{
foreach (MtlLine line in lines)
{
switch (line.Header)
{
case MtlHeader.Material:
currentMaterial = new StandardMaterial(line.Tokens[1]);
currentMaterial.BackFaceCulling = false;
materials.Add(currentMaterial);
break;
case MtlHeader.DiffuseColor:
currentMaterial.Diffuse = line.ToColor();
break;
case MtlHeader.DiffuseTexture:
currentMaterial.Diffuse = new Color3(1, 1, 1);
currentMaterial.DiffuseTexture = line.Tokens[1].Replace("//", @"\");
break;
case MtlHeader.Alpha:
currentMaterial.Alpha = line.ToFloat();
break;
case MtlHeader.EmissiveColor:
currentMaterial.Emissive = line.ToColor();
break;
case MtlHeader.SpecularColor:
currentMaterial.Specular = line.ToColor();
break;
case MtlHeader.SpecularPower:
currentMaterial.SpecularPower = line.ToFloat();
break;
}
}
}
}
foreach (var material in materials)
{
material.CreateBabylonMaterial(scene);
}
}
void AppendNewPart(string name, StandardMaterial currentMaterial)
{
if (stagingVertices.Count == 0)
return;
if (currentMaterial == null)
{
if (defaultMaterial == null)
{
defaultMaterial = new StandardMaterial("empty");
}
currentMaterial = defaultMaterial;
}
Mesh<PositionNormalTextured> part;
if (!meshParts.TryGetValue(currentMaterial, out part))
{
part = new Mesh<PositionNormalTextured>(currentMaterial == defaultMaterial ? null : currentMaterial);
meshParts.Add(currentMaterial, part);
}
part.AddPart(name, stagingVertices, stagingIndices);
positionsIndexOffset += positions.Count;
positions.Clear();
normalsIndexOffset += normals.Count;
normals.Clear();
textureCoordinatesIndexOffset += textureCoordinates.Count;
textureCoordinates.Clear();
stagingVertices.Clear();
stagingIndices.Clear();
registeredVertices.Clear();
}