private void read_MAT_ENTRY(int chunk_len)
{
long chunk_end = filePos() + chunk_len;
Material3ds mat = new Material3ds();
addMaterial(mat);
if (mDecode != null)
{
mDecode.enter();
}
while (filePos() < chunk_end)
{
Head head = read_HEAD();
switch (head.id)
{
case CHUNK_MAT_NAME:
mat.mName = ReadName();
break;
case CHUNK_MAT_AMBIENT:
mat.mAmbient = readColor(head.length - 6);
break;
case CHUNK_MAT_SPECULAR:
mat.mSpecular = readColor(head.length - 6);
break;
case CHUNK_MAT_DIFFUSE:
mat.mDiffuse = readColor(head.length - 6);
break;
case CHUNK_MAT_MAPNAME:
mat.mMapName = ReadName();
break;
case CHUNK_MAT_MAP:
read_MAT_ENTRY(head.length - 6);
break;
//case CHUNK_MAT_SHININESS:
//mat._shininess = readFloat();
//break;
case CHUNK_MAT_TRANSPARENCY:
mat._transparency = readPercentage(head.length - 6);
mat._transparency = 1.0f - mat._transparency; // values come form 3ds inverted, so we need to invert it here again. 0 is full transparent, 1 is opaque.
break;
default:
SkipChunk(head.length - 6);
break;
}
}
if (mDecode != null)
{
mDecode.leave();
}
}
public override Scene ImportFile(FileStream fileStream, string fileName)
{
Scene3ds scene3ds = new Scene3ds(fileStream, null, Scene3ds.DECODE_ALL);
Scene result = new Scene();
// Compute normals for our scene
computeNormals(scene3ds, result);
Material defaultMaterial = new Material
{
Name = "Default",
FileName = fileName,
DiffuseColor = ColorsRgbF.Gray,
SpecularColor = ColorsRgbF.White,
Shininess = 64
};
for (int i = 0; i < scene3ds.Materials.Count(); ++i)
{
Material3ds material3ds = scene3ds.Materials.ElementAt(i);
Material material = new Material
{
Name = material3ds.name(),
FileName = fileName,
DiffuseColor = material3ds.diffuse().ToColorRgbF(),
AmbientColor = material3ds.ambient().ToColorRgbF(),
SpecularColor = material3ds.specular().ToColorRgbF(),
Transparency = material3ds.transparency()
};
if (material3ds.DiffuseTexture != null)
{
material.DiffuseTextureName = Path.Combine(Path.GetDirectoryName(fileName), material3ds.DiffuseTexture.MapName);
}
if ((int)material3ds._shininess != 0)
{
material.Shininess = (int)material3ds._shininess;
}
result.Materials.Add(material);
}
for (int i = 0; i < scene3ds.Meshes.Count(); ++i)
{
Mesh3ds mesh3ds = scene3ds.Meshes.ElementAt(i);
Mesh resultMesh = result.Meshes[i];
//resultMesh.Material = defaultMaterial;
// TODO: Is this right?
if (mesh3ds.faceMats() == 0)
{
resultMesh.Material = defaultMaterial;
for (int fi = 0; fi < mesh3ds.faces(); ++fi)
{
Face3ds f = mesh3ds.face(fi);
resultMesh.Indices.Add(f.P0);
resultMesh.Indices.Add(f.P1);
resultMesh.Indices.Add(f.P2);
}
}
else
{
// TODO: Split by face materials so that each mesh only has one material.
Debug.Assert(mesh3ds.faceMats() == 1);
for (int fm = 0; fm < mesh3ds.faceMats(); ++fm)
{
// Get current material's face.
FaceMat3ds fmat = mesh3ds.faceMat(fm);
Material material = result.Materials[fmat.material()];
resultMesh.Material = material;
for (int fi = 0; fi < fmat.faces(); ++fi)
{
int idx = fmat.face(fi);
Face3ds f = mesh3ds.face(idx);
resultMesh.Indices.Add(f.P0);
resultMesh.Indices.Add(f.P1);
resultMesh.Indices.Add(f.P2);
}
}
}
}
return(result);
}
// Add material at end of material array
private void addMaterial(Material3ds m)
{
_materials.Add(m);
}