int readFace(byte *buf, out face fe)
{
int i = 0;
fe = new face();
while (IS_SPACING(*buf))
{
buf++; i++;
}
;
buf += readInt(buf, out fe.v1) + 1;
buf += readInt(buf, out fe.t1) + 1;
buf += readInt(buf, out fe.n1) + 1;
while (IS_SPACING(*buf))
{
buf++; i++;
}
buf += readInt(buf, out fe.v2) + 1;
buf += readInt(buf, out fe.t2) + 1;
buf += readInt(buf, out fe.n2) + 1;
while (IS_SPACING(*buf))
{
buf++; i++;
}
buf += readInt(buf, out fe.v3) + 1;
buf += readInt(buf, out fe.t3) + 1;
buf += readInt(buf, out fe.n3) + 1;
return(i);
}
public unsafe ObjMesh(string strPath)
: base(strPath)
{
int approxMem = 295 + m_arData.Length / 1024 * 11;
List <Vector3> vectors = new List <Vector3>(approxMem);
List <Vector3> normals = new List <Vector3>(approxMem);
List <Vector2> texcoords = new List <Vector2>(approxMem);
bool inComment = false;
mode mode = mode.MODE_NONE;
Vector3 v3 = new Vector3();
face f = new face();
fixed(byte *buf = m_arData)
{
for (int i = 0; i < m_arData.Length; i++)
{
if (buf[i] == '#')
{
inComment = true;
continue;
}
else if (inComment && buf[i] != '\n')
{
continue;
}
else if (inComment && buf[i] == '\n')
{
inComment = false;
continue;
}
if (mode == mode.MODE_NONE && !IS_SPACING(m_arData[i]))
{
if (m_arData[i] == 'f')
{
mode = mode.MODE_FACE;
}
else if (buf[i] == 'v')
{
if (IS_SPACING(buf[i + 1]))
{
mode = mode.MODE_VERTEX;
}
else if (buf[i + 1] == 'n')
{
mode = mode.MODE_NORMAL;
}
else if (buf[i + 1] == 't')
{
mode = mode.MODE_TEXTURE;
}
i++;
}
else
{
mode = mode.MODE_UNKNOWN;
}
}
else if (mode != mode.MODE_NONE)
{
switch (mode)
{
case mode.MODE_UNKNOWN:
if (buf[i] == '\n')
{
mode = mode.MODE_NONE;
}
break;
case mode.MODE_VERTEX:
i += readVector(&buf[i], out v3);
vectors.Add(v3);
mode = mode.MODE_NONE;
break;
case mode.MODE_NORMAL:
i += readVector(&buf[i], out v3);
normals.Add(v3);
mode = mode.MODE_NONE;
break;
case mode.MODE_TEXTURE:
i += readVector(&buf[i], out v3);
texcoords.Add(new Vector2(v3.X, v3.Y));
mode = mode.MODE_NONE;
break;
case mode.MODE_FACE:
i += readFace(&buf[i], out f);
base.m_lstVertices.Add(new Vector3(f.v1, f.v2, f.v3),
new Vector2(f.t1, f.t2),
new Vector3(f.n1, f.n2, f.n3));
mode = mode.MODE_NONE;
break;
}
}
}
}
}
