// To add: Tangent, Binormal (sizes/etc??)
// BlendIndices/BlendWeights: Type = Color ... stored as ARGB I think but presumably swizzled as RGBA
internal Vertex(BinaryReader br, Mesh mesh) : this()
{
TextureCoordinates = new Vector2[MaxTextureCoordinates];
VertexElement[] elements = mesh.VertexDeclaration.Elements;
foreach (var element in elements)
{
if (element.Stream == -1)
{
break;
}
switch(element.Usage)
{
case VertexElementUsage.Position:
Position = new Vector3(br);
break;
case VertexElementUsage.Normal:
Normal = new Vector3(br);
break;
case VertexElementUsage.TextureCoordinate:
TextureCoordinates[element.UsageIndex] = new Vector2(br);
break;
case VertexElementUsage.Color:
if (element.UsageIndex == 0) // As per DirectX docs
{
DiffuseColor = br.ReadUInt32();
}
else if (element.UsageIndex == 1) // As per DirectX docs
{
SpecularColor = br.ReadUInt32();
}
else
{
br.ReadUInt32();
}
break;
case VertexElementUsage.BlendWeight:
BlendWeights = new float[4];
uint tmpWeight = br.ReadUInt32();
BlendWeights[0] = ((tmpWeight >> 16) & 0xFF)/255.0f;
BlendWeights[1] = ((tmpWeight >> 8) & 0xFF)/255.0f;
BlendWeights[2] = ((tmpWeight) & 0xFF)/255.0f;
BlendWeights[3] = ((tmpWeight >> 24) & 0xFF)/255.0f;
break;
case VertexElementUsage.BlendIndices:
BlendIndices = new uint[4];
uint tmpIndices = br.ReadUInt32();
BlendIndices[0] = (tmpIndices >> 16) & 0xFF;
BlendIndices[1] = (tmpIndices >> 8) & 0xFF;
BlendIndices[2] = (tmpIndices) & 0xFF;
BlendIndices[3] = (tmpIndices >> 24) & 0xFF;
break;
default:
br.BaseStream.Seek(element.Size, SeekOrigin.Current);
break;
}
}
}
internal Geometry(Resource.Models.Model info)
{
int index = 0;
Meshes = new List<Mesh>(info.Geometries.Count);
foreach (var dataInfo in info.Geometries)
{
var mesh = new Mesh(dataInfo);
mesh.MaterialIndex = info.ShaderMappings[index++];
Meshes.Add(mesh);
}
}
private static void ExportVertex(TextWriter sw, Mesh m, Vertex v)
{
var boneIndex = m.VertexHasBlendInfo ? v.BlendIndices[0] : 0;
var normal = m.VertexHasNormal ? v.Normal : new Vector3();
var uv = m.VertexHasTexture ? v.TextureCoordinates[0] : new Vector2();
var position = v.Position;
sw.WriteLine("{0} {1} {2} {3} {4} {5} {6} {7} {8} 1 0 1.000000", boneIndex,
F(position.X), F(position.Y), F(position.Z),
F(normal.X), F(normal.Y), F(normal.Z),
F(uv.X), F(uv.Y));
}