public Tuple <R3DSphere, R3DBox> CalculateBoundingGeometry()
{
R3DBox box = CalculateBoundingBox();
R3DSphere sphere = CalculateSphere(box);
return(new Tuple <R3DSphere, R3DBox>(sphere, box));
}
public SimpleSkin(Stream stream)
{
using (BinaryReader br = new BinaryReader(stream))
{
uint magic = br.ReadUInt32();
if (magic != 0x00112233)
{
throw new Exception("Not a valid SKN file");
}
ushort major = br.ReadUInt16();
ushort minor = br.ReadUInt16();
if (major != 2 && major != 4 && minor != 1)
{
throw new Exception("This SKN version is not supported");
}
uint submeshCount = br.ReadUInt32();
for (int i = 0; i < submeshCount; i++)
{
this.Submeshes.Add(new SimpleSkinSubmesh(br));
}
if (major == 4)
{
uint unknown = br.ReadUInt32();
}
uint indexCount = br.ReadUInt32();
uint vertexCount = br.ReadUInt32();
uint vertexSize = major == 4 ? br.ReadUInt32() : 52;
SimpleSkinVertexType vertexType = major == 4 ? (SimpleSkinVertexType)br.ReadUInt32() : SimpleSkinVertexType.Basic;
R3DBox boundingBox = major == 4 ? new R3DBox(br) : R3DBox.Infinite;
R3DSphere boundingSphere = major == 4 ? new R3DSphere(br) : R3DSphere.Infinite;
List <ushort> indices = new List <ushort>();
List <SimpleSkinVertex> vertices = new List <SimpleSkinVertex>();
for (int i = 0; i < indexCount; i++)
{
indices.Add(br.ReadUInt16());
}
for (int i = 0; i < vertexCount; i++)
{
vertices.Add(new SimpleSkinVertex(br, vertexType));
}
foreach (SimpleSkinSubmesh submesh in this.Submeshes)
{
List <ushort> submeshIndices = indices.GetRange((int)submesh._startIndex, (int)submesh._indexCount);
ushort minIndex = submeshIndices.Min();
submesh.Indices = submeshIndices.Select(x => x -= minIndex).ToList();
submesh.Vertices = vertices.GetRange((int)submesh._startVertex, (int)submesh._vertexCount);
}
}
}
public SKNFile(Stream stream)
{
using (BinaryReader br = new BinaryReader(stream))
{
uint magic = br.ReadUInt32();
if (magic != 0x00112233)
{
throw new Exception("SKNFile.Read: Not a valid SKN file");
}
ushort major = br.ReadUInt16();
ushort minor = br.ReadUInt16();
if (major != 2 && major != 4 && minor != 1)
{
throw new Exception("SKNFile.Read: Unsupported SKN version: " + major + "." + minor);
}
uint submeshCount = br.ReadUInt32();
for (int i = 0; i < submeshCount; i++)
{
this.Submeshes.Add(new SKNSubmesh(br));
}
uint flags = 0;
if (major == 4)
{
flags = br.ReadUInt32();
}
uint indexCount = br.ReadUInt32();
uint vertexCount = br.ReadUInt32();
uint vertexSize = 52;
SKNVertexType vertexType = SKNVertexType.Basic;
if (major == 4)
{
vertexSize = br.ReadUInt32();
vertexType = (SKNVertexType)br.ReadUInt32();
this.BoundingBox = new R3DBox(br);
this.BoundingSphere = new R3DSphere(br);
}
for (int i = 0; i < indexCount; i++)
{
this.Indices.Add(br.ReadUInt16());
}
for (int i = 0; i < vertexCount; i++)
{
this.Vertices.Add(new SKNVertex(br, vertexType));
}
}
}
public void CalculateBoundaries()
{
Vector3 min = this.Vertices[0].Position;
Vector3 max = this.Vertices[0].Position;
foreach (SKNVertex vertex in this.Vertices)
{
if (min.X > vertex.Position.X)
{
min.X = vertex.Position.X;
}
if (min.Y > vertex.Position.Y)
{
min.Y = vertex.Position.Y;
}
if (min.Z > vertex.Position.Z)
{
min.Z = vertex.Position.Z;
}
if (max.X < vertex.Position.X)
{
max.X = vertex.Position.X;
}
if (max.Y < vertex.Position.Y)
{
max.Y = vertex.Position.Y;
}
if (max.Z < vertex.Position.Z)
{
max.Z = vertex.Position.Z;
}
}
this.BoundingBox = new R3DBox(min, max);
Vector3 centralPoint = new Vector3(
0.5f * (this.BoundingBox.Max.X + this.BoundingBox.Min.X),
0.5f * (this.BoundingBox.Max.Y + this.BoundingBox.Min.Y),
0.5f * (this.BoundingBox.Max.Z + this.BoundingBox.Min.Z));
this.BoundingSphere = new R3DSphere(centralPoint, Vector3.Distance(centralPoint, this.BoundingBox.Max));
}
public SimpleSkin(Stream stream)
{
using (BinaryReader br = new BinaryReader(stream))
{
uint magic = br.ReadUInt32();
if (magic != 0x00112233)
{
throw new InvalidFileSignatureException();
}
ushort major = br.ReadUInt16();
ushort minor = br.ReadUInt16();
if (major != 0 && major != 2 && major != 4 && minor != 1)
{
throw new UnsupportedFileVersionException();
}
uint indexCount = 0;
uint vertexCount = 0;
SimpleSkinVertexType vertexType = SimpleSkinVertexType.Basic;
if (major == 0)
{
indexCount = br.ReadUInt32();
vertexCount = br.ReadUInt32();
}
else
{
uint submeshCount = br.ReadUInt32();
for (int i = 0; i < submeshCount; i++)
{
this.Submeshes.Add(new SimpleSkinSubmesh(br));
}
if (major == 4)
{
uint flags = br.ReadUInt32();
}
indexCount = br.ReadUInt32();
vertexCount = br.ReadUInt32();
uint vertexSize = major == 4 ? br.ReadUInt32() : 52;
vertexType = major == 4 ? (SimpleSkinVertexType)br.ReadUInt32() : SimpleSkinVertexType.Basic;
R3DBox boundingBox = major == 4 ? new R3DBox(br) : new R3DBox(Vector3.Zero, Vector3.Zero);
R3DSphere boundingSphere = major == 4 ? new R3DSphere(br) : R3DSphere.Infinite;
}
List <ushort> indices = new List <ushort>();
List <SimpleSkinVertex> vertices = new List <SimpleSkinVertex>();
for (int i = 0; i < indexCount; i++)
{
indices.Add(br.ReadUInt16());
}
for (int i = 0; i < vertexCount; i++)
{
vertices.Add(new SimpleSkinVertex(br, vertexType));
}
if (major == 0)
{
this.Submeshes.Add(new SimpleSkinSubmesh("Base", indices, vertices));
}
else
{
foreach (SimpleSkinSubmesh submesh in this.Submeshes)
{
List <ushort> submeshIndices = indices.GetRange((int)submesh._startIndex, (int)submesh._indexCount);
ushort minIndex = submeshIndices.Min();
submesh.Indices = submeshIndices.Select(x => x -= minIndex).ToList();
submesh.Vertices = vertices.GetRange((int)submesh._startVertex, (int)submesh._vertexCount);
}
}
}
}
/// <summary>
/// Initializes a new <see cref="SKNFile"/> from a <see cref="Stream"/>
/// </summary>
/// <param name="stream">The <see cref="Stream"/> to read from</param>
public SKNFile(Stream stream)
{
using (BinaryReader br = new BinaryReader(stream))
{
uint magic = br.ReadUInt32();
if (magic != 0x00112233)
{
throw new Exception("Not a valid SKN file");
}
ushort major = br.ReadUInt16();
ushort minor = br.ReadUInt16();
if (major != 2 && major != 4 && minor != 1)
{
throw new Exception("This SKN version is not supported");
}
uint submeshCount = br.ReadUInt32();
for (int i = 0; i < submeshCount; i++)
{
this.Submeshes.Add(new SKNSubmesh(this, br));
}
if (major == 4)
{
uint unknown = br.ReadUInt32();
}
uint indexCount = br.ReadUInt32();
uint vertexCount = br.ReadUInt32();
uint vertexSize;
bool isTangent = false;
R3DBox boundingBox;
R3DSphere boundingSphere;
if (major == 4)
{
vertexSize = br.ReadUInt32();
isTangent = br.ReadUInt32() == 1;
boundingBox = new R3DBox(br);
boundingSphere = new R3DSphere(br);
}
List <ushort> indices = new List <ushort>();
List <SKNVertex> vertices = new List <SKNVertex>();
for (int i = 0; i < indexCount; i++)
{
indices.Add(br.ReadUInt16());
}
for (int i = 0; i < vertexCount; i++)
{
vertices.Add(new SKNVertex(br, isTangent));
}
foreach (SKNSubmesh submesh in this.Submeshes)
{
submesh.Indices = indices.GetRange((int)submesh._startIndex, (int)submesh._indexCount);
submesh.Vertices = vertices.GetRange((int)submesh._startVertex, (int)submesh._vertexCount);
}
}
}
