private static void DoFace(string[] args)
{
Vector3d point;
Vector2d uv = new Vector2d();
Vector3d normal = new Vector3d();
Vertex[] tr_all = new Vertex[4];
int facedefs = (args.Length - 1);
for (int face = 0; face < facedefs; face++)
{
string[] tmp = args[face + 1].Split("/".ToCharArray());
int j = 0;
int v = int.Parse(tmp[j++]);
int n = 0;
point = _Points[v - 1];
int t = 0;
if (tmp.Length > 1)
{
string s = tmp[j++];
if (_TextureCords.Count > 0)
{
t = int.Parse(s);
uv = _TextureCords[t - 1];
}
}
if (_Normals.Count > 0)
{
string s = tmp[j++];
if (s.Length > 0)
{
n = int.Parse(s);
normal = _Normals[n - 1];
}
}
tr_all[face] = new Vertex(point, Color4.White, uv, normal);
}
Vertex[] tr = new Vertex[3];
for (int i = 0; i < 3; i++)
tr[i] = tr_all[i];
_Triangles.Add(tr);
if (facedefs == 4)
{
// x z a || 0 2 3
Vertex[] tr_quadbit = new Vertex[3];
tr_quadbit[0] = tr_all[0];
tr_quadbit[1] = tr_all[2];
tr_quadbit[2] = tr_all[3];
_Triangles.Add(tr_quadbit);
}
}
/// <summary>
/// Loads the actual object if it has not been precached. (NOT MULTI THREADED!)
/// </summary>
private static unsafe int[] _Load(string filename)
{
if (!_Initalized)
Init();
StreamReader str = new StreamReader( filename );
_Points = new List<Vector3d>();
_Normals = new List<Vector3d>();
_TextureCords = new List<Vector2d>();
_Triangles = new List<Vertex[]>();
while (!str.EndOfStream)
{
string[] split_line = str.ReadLine().Trim().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (split_line.Length == 0) continue;
string opcode = split_line[0];
TDele dele;
if (Subscribed.TryGetValue(opcode, out dele))
{
try
{
dele(split_line);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
if (_Normals.Count == 0)
{
for (int i = 0; i < _Triangles.Count; i++)
{
Vertex a = _Triangles[i][0];
Vertex b = _Triangles[i][1];
Vertex c = _Triangles[i][2];
Vector3 trinormal = Vector3.Normalize(Vector3.Cross(c.Position - a.Position, b.Position - a.Position));
a.Normal += trinormal;
b.Normal += trinormal;
c.Normal += trinormal;
}
foreach (Vertex[] varr in _Triangles)
foreach (Vertex v in varr)
v.Normal.Normalize();
// Foreach triangle
// Get tri normal
// Foreach vertex in tri
// Add tri normal to vertex normal
// Foreach vertex
// Normalize normal
}
int vertexcount = _Triangles.Count * 3;
Vertex[] vertices = new Vertex[vertexcount];
for (int i = 0; i < _Triangles.Count; i++)
{
vertices[i * 3] = _Triangles[i][0];
vertices[i * 3 + 1] = _Triangles[i][1];
vertices[i * 3 + 2] = _Triangles[i][2];
}
int id = 0;
GL.GenBuffers( 1, out id );
GL.BindBuffer(BufferTarget.ArrayBuffer, id);
GL.BufferData(BufferTarget.ArrayBuffer, new IntPtr(Vertex.Size * vertexcount), IntPtr.Zero, BufferUsageHint.StaticDraw);
IntPtr buffer = GL.MapBuffer(BufferTarget.ArrayBuffer, BufferAccess.WriteOnly);
byte* pBuffer = (byte*)buffer.ToPointer();
for (int t = 0; t < vertices.Length; t++)
{
Vertex vertex = vertices[t];
float* pVertex = (float*)(pBuffer + (t * Vertex.Size));
pVertex[0] = vertex.UV.X;
pVertex[1] = vertex.UV.Y;
pVertex[2] = vertex.Color.R;
pVertex[3] = vertex.Color.G;
pVertex[4] = vertex.Color.B;
pVertex[5] = vertex.Color.A;
pVertex[6] = vertex.Normal.X;
pVertex[7] = vertex.Normal.Y;
pVertex[8] = vertex.Normal.Z;
pVertex[9] = vertex.Position.X;
pVertex[10] = vertex.Position.Y;
pVertex[11] = vertex.Position.Z;
}
GL.UnmapBuffer(BufferTarget.ArrayBuffer);
_Normals = null;
_Points = null;
_TextureCords = null;
_Triangles = null;
return new int[2]
{
id,
vertexcount
};
}