const int MaxTextureDim = 8192;//2048;//16384;
public OctData(OctLean[] frames, Byte8[] values)
{
Structs = frames;
Values = new byte[RoundToNextRow(values.Length * 4) * 2];
for (int i = 0; i < values.Length; i++)
{
Byte8 v = values[i];
int p = ((i * 4) % MaxTextureDim) + 2 * MaxTextureDim * ((i * 4) / MaxTextureDim);
Values[p] = v.S;
Values[p + 1] = v.T;
Values[p + 2] = v.W;
Values[p + 3] = v.X;
p += MaxTextureDim;
Values[p] = v.U;
Values[p + 1] = v.V;
Values[p + 2] = v.Y;
Values[p + 3] = v.Z;
}
int RoundToNextRow(int x)
{
return((x + MaxTextureDim - 1) / MaxTextureDim * MaxTextureDim);
}
}
public Byte8[] ManagedValues()
{
var v = new Byte8[Length];
IntPtr bptr = Values;
for (int i = 0; i < Length; i++)
{
v[i] = Marshal.PtrToStructure <Byte8>(bptr);
bptr += 8;
}
return(v);
}
private void Cast(List <OctLean> octs, List <Byte8> values, float scale, Vector3 pos, int parent, int at)
{
int childstart = -1;
if (Children != null)
{
childstart = octs.Count;
for (int i = 0; i < 8; i++)
{
octs.Add(new OctLean());
values.Add(new Byte8());
}
for (int i = 0; i < 8; i++)
{
Children[i].Cast(octs, values, scale / 2, pos + SdfMath.split(i).Vector *scale / 2, at, childstart + i);
}
}
octs[at] = new OctLean(parent, childstart);
values[at] = new Byte8(Vertices, scale);
}