internal static MQOFace parse(MQOObject mobj, string str)
{
MatchCollection mc;
Match m = MQORegex.Face.Match(str);
if (!m.Success) return null;
int n = int.Parse(m.Groups[1].Value);
MQOFace f = new MQOFace();
f.VertexID = new int[n];
f.UVID = new int[n];
f.MatID = -1;
bool noUV = true;
foreach(Match p in MQORegex.Param.Matches(m.Groups[2].Value))
{
switch (p.Groups["key"].Value)
{
case "M":
f.MatID = int.Parse(p.Groups["val"].Value);
break;
case "V":
mc = MQORegex.Decimal.Matches(p.Groups["val"].Value);
if (mc.Count != n) { f.Dispose(); return null; }
for (int i = 0; i < n; i++) f.VertexID[i] = int.Parse(mc[i].Value);
break;
case "UV":
mc = MQORegex.Decimal.Matches(p.Groups["val"].Value);
if (mc.Count != 2*n) { f.Dispose(); return null; }
noUV = false;
for (int i = 0; i < n; i++) f.UVID[i] = mobj.getUVIndex(Decimal.Parse(mc[2*i].Value), Decimal.Parse(mc[2*i+1].Value));
break;
}
}
// UVがない場合は(0,0)を割り当てる
if (noUV) for (int i = 0; i < n; i++) f.UVID[i] = mobj.getUVIndex(0, 0);
return f;
}
internal List <MQOFace> triangle_divide()
{
var tri = new List <MQOFace>();
switch (VertexID.Length)
{
case 3:
tri.Add(this);
break;
case 4:
var f = new MQOFace();
f.MatID = MatID;
f.VertexID = new int[] { VertexID[0], VertexID[1], VertexID[2] };
f.UVID = new int[] { UVID[0], UVID[1], UVID[2] };
tri.Add(f);
f = new MQOFace();
f.MatID = MatID;
f.VertexID = new int[] { VertexID[0], VertexID[2], VertexID[3] };
f.UVID = new int[] { UVID[0], UVID[2], UVID[3] };
tri.Add(f);
break;
}
return(tri);
}
internal bool parseFace(TextReader tr, bool triangle_only = false)
{
while (true)
{
string str = tr.ReadLine().Trim();
if (str.EndsWith("}"))
{
return(true);
}
else
{
MQOFace f = MQOFace.parse(this, str);
if (f == null)
{
return(false);
}
if (triangle_only)
{
Face.AddRange(f.triangle_divide());
}
else
{
Face.Add(f);
}
continue;
}
}
}
internal List<MQOFace> triangle_divide()
{
var tri = new List<MQOFace>();
switch (VertexID.Length)
{
case 3:
tri.Add(this);
break;
case 4:
var f = new MQOFace();
f.MatID = MatID;
f.VertexID = new int[]{VertexID[0], VertexID[1], VertexID[2]};
f.UVID = new int[] { UVID[0], UVID[1], UVID[2] };
tri.Add(f);
f = new MQOFace();
f.MatID = MatID;
f.VertexID = new int[]{VertexID[0], VertexID[2], VertexID[3]};
f.UVID = new int[] { UVID[0], UVID[2], UVID[3] };
tri.Add(f);
break;
}
return tri;
}
internal static MQOFace parse(MQOObject mobj, string str)
{
MatchCollection mc;
Match m = MQORegex.Face.Match(str);
if (!m.Success)
{
return(null);
}
int n = int.Parse(m.Groups[1].Value);
MQOFace f = new MQOFace();
f.VertexID = new int[n];
f.UVID = new int[n];
f.MatID = -1;
bool noUV = true;
foreach (Match p in MQORegex.Param.Matches(m.Groups[2].Value))
{
switch (p.Groups["key"].Value)
{
case "M":
f.MatID = int.Parse(p.Groups["val"].Value);
break;
case "V":
mc = MQORegex.Decimal.Matches(p.Groups["val"].Value);
if (mc.Count != n)
{
f.Dispose(); return(null);
}
for (int i = 0; i < n; i++)
{
f.VertexID[i] = int.Parse(mc[i].Value);
}
break;
case "UV":
mc = MQORegex.Decimal.Matches(p.Groups["val"].Value);
if (mc.Count != 2 * n)
{
f.Dispose(); return(null);
}
noUV = false;
for (int i = 0; i < n; i++)
{
f.UVID[i] = mobj.getUVIndex(Decimal.Parse(mc[2 * i].Value), Decimal.Parse(mc[2 * i + 1].Value));
}
break;
}
}
// UVがない場合は(0,0)を割り当てる
if (noUV)
{
for (int i = 0; i < n; i++)
{
f.UVID[i] = mobj.getUVIndex(0, 0);
}
}
return(f);
}
