public override Scene ImportFile(FileStream fileStream, string fileName)
{
WavefrontObject wavefrontObject = WavefrontObject.Load(fileName);
Material defaultMaterial = new Material
{
Name = "Default",
DiffuseColor = ColorsRgbF.Gray,
SpecularColor = ColorsRgbF.White,
Shininess = 64
};
Scene scene = new Scene();
foreach (Group g in wavefrontObject.Groups)
{
Mesh mesh = new Mesh();
scene.Meshes.Add(mesh);
Objects.Material gm = g.Material;
Material material;
if (gm != null)
{
material = new Material
{
Name = gm.Name,
FileName = gm.FileName
};
// material.Ambient
if (!string.IsNullOrEmpty(gm.TextureName))
material.DiffuseTextureName = gm.TextureName;
else
material.DiffuseColor = (gm.Kd != null)
? new ColorRgbF(gm.Kd.X, gm.Kd.Y, gm.Kd.Z)
: ColorsRgbF.Gray;
material.SpecularColor = (gm.Ks != null)
? new ColorRgbF(gm.Ks.X, gm.Ks.Y, gm.Ks.Z)
: ColorsRgbF.Black;
material.Shininess = (int)gm.Shininess; // TODO: Check
}
else
{
material = defaultMaterial;
}
mesh.Material = material;
if (!scene.Materials.Contains(material))
scene.Materials.Add(material);
// Currently this is not utilising indices.
int counter = 0;
foreach (Face f in g.Faces)
{
// Copy normals.
foreach (int normalIndex in f.NormalIndices)
{
Vertex n = wavefrontObject.Normals[normalIndex];
mesh.Normals.Add(new Vector3D(n.X, n.Y, n.Z));
}
// Copy texture coordinates.
foreach (int textureIndex in f.TextureIndices)
if (wavefrontObject.Textures.Count > textureIndex)
{
TextureCoordinate tc = wavefrontObject.Textures[textureIndex];
mesh.TextureCoordinates.Add(new Point3D(tc.U, tc.V, tc.W));
}
switch (f.Type)
{
case FaceType.Triangles:
// Copy positions.
foreach (int vertexIndex in f.VertexIndices)
{
Vertex v = wavefrontObject.Vertices[vertexIndex];
mesh.Positions.Add(new Point3D(v.X, v.Y, v.Z));
}
mesh.Indices.Add(counter++);
mesh.Indices.Add(counter++);
mesh.Indices.Add(counter++);
//mesh.Indices.AddRange(f.VertexIndices);
break;
default:
throw new NotSupportedException();
}
}
/*foreach (Vertex v in wavefrontObject.Vertices)
mesh.Positions.Add(new Point3D(v.X, v.Y, v.Z));
foreach (Vertex v in wavefrontObject.Normals)
mesh.Normals.Add(new Vector3D(v.X, v.Y, v.Z));
foreach (TextureCoordinate tc in wavefrontObject.Textures)
mesh.TextureCoordinates.Add(new Point3D(tc.U, tc.V, 0));*/
}
return scene;
}
public override Scene ImportFile(FileStream fileStream, string fileName)
{
WavefrontObject wavefrontObject = WavefrontObject.Load(fileName);
Material defaultMaterial = new Material
{
Name = "Default",
DiffuseColor = ColorsRgbF.Gray,
SpecularColor = ColorsRgbF.White,
Shininess = 64
};
Scene scene = new Scene();
foreach (Group g in wavefrontObject.Groups)
{
Mesh mesh = new Mesh();
scene.Meshes.Add(mesh);
Objects.Material gm = g.Material;
Material material;
if (gm != null)
{
material = new Material
{
Name = gm.Name,
FileName = gm.FileName
};
// material.Ambient
if (!string.IsNullOrEmpty(gm.TextureName))
{
material.DiffuseTextureName = gm.TextureName;
}
else
{
material.DiffuseColor = (gm.Kd != null)
? new ColorRgbF(gm.Kd.X, gm.Kd.Y, gm.Kd.Z)
: ColorsRgbF.Gray;
}
material.SpecularColor = (gm.Ks != null)
? new ColorRgbF(gm.Ks.X, gm.Ks.Y, gm.Ks.Z)
: ColorsRgbF.Black;
material.Shininess = (int)gm.Shininess; // TODO: Check
}
else
{
material = defaultMaterial;
}
mesh.Material = material;
if (!scene.Materials.Contains(material))
{
scene.Materials.Add(material);
}
// Currently this is not utilising indices.
int counter = 0;
foreach (Face f in g.Faces)
{
// Copy normals.
foreach (int normalIndex in f.NormalIndices)
{
Vertex n = wavefrontObject.Normals[normalIndex];
mesh.Normals.Add(new Vector3D(n.X, n.Y, n.Z));
}
// Copy normals.
foreach (int textureIndex in f.TextureIndices)
{
TextureCoordinate tc = wavefrontObject.Textures[textureIndex];
mesh.TextureCoordinates.Add(new Point3D(tc.U, tc.V, tc.W));
}
switch (f.Type)
{
case FaceType.Triangles:
// Copy positions.
foreach (int vertexIndex in f.VertexIndices)
{
Vertex v = wavefrontObject.Vertices[vertexIndex];
mesh.Positions.Add(new Point3D(v.X, v.Y, v.Z));
}
mesh.Indices.Add(counter++);
mesh.Indices.Add(counter++);
mesh.Indices.Add(counter++);
//mesh.Indices.AddRange(f.VertexIndices);
break;
default:
throw new NotSupportedException();
}
}
/*foreach (Vertex v in wavefrontObject.Vertices)
* mesh.Positions.Add(new Point3D(v.X, v.Y, v.Z));
*
* foreach (Vertex v in wavefrontObject.Normals)
* mesh.Normals.Add(new Vector3D(v.X, v.Y, v.Z));
*
* foreach (TextureCoordinate tc in wavefrontObject.Textures)
* mesh.TextureCoordinates.Add(new Point3D(tc.U, tc.V, 0));*/
}
return(scene);
}
