void ParseTexIndex(XmlReader xml, TexIndex[] texIdx)
{
int index = 0;
int subDepth = xml.Depth;
while (xml.Read() && xml.Depth > subDepth)
{
if (xml.IsStartElement() && !xml.IsEmptyElement)
{
if (xml.Name == "Value")
{
//int index = int.Parse(xml.GetAttribute("Index"));
string[] val = xml.ReadString().Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
val[0] = val[0].Substring(1);
val[2] = val[2].Substring(0, val[2].Length - 1);
texIdx[index++] = new TexIndex(int.Parse(val[0]), int.Parse(val[1]), int.Parse(val[2]));
}
}
}
}
ModelObject ParseMeshData(XmlReader xml)
{
Vector3[] positions = null;
Vector3[] normals = null;
MeshFace[] faces = null;
//Vector2[] tex1 = null;
Vector2[] texVtx = null;
TexIndex[] texIdx = null;
ModelObject result;
result.ParentId = -1;
result.Mesh = null;
result.LocalTransform = Matrix.Identity;
result.ParentName = string.Empty;
result.Index = -1;
int depth = xml.Depth;
while (xml.Read() && xml.Depth > depth)
{
if (xml.IsStartElement() && !xml.IsEmptyElement)
{
switch (xml.Name)
{
case "Parent":
result.ParentId = int.Parse(xml.GetAttribute("ID"));
result.ParentName = xml.GetAttribute("Name");
break;
case "WorldTM":
result.LocalTransform = ParseMatrix(xml);
break;
case "Vertex":
positions = ParseVector3Array(xml);
break;
case "VertexNormal":
normals = ParseVector3Array(xml);
for (int i = 0; i < normals.Length; i++)
{
normals[i].Normalize();
}
break;
case "TriIndex":
faces = ParseMeshFaces(xml);
break;
case "TexVertex":
texVtx = ParseVector2Array(xml);
break;
case "TexIndex":
texIdx = new TexIndex[faces.Length];
ParseTexIndex(xml, texIdx);
break;
}
}
}
Dictionary<string, int> table = new Dictionary<string, int>(faces.Length * 3);
FastList<VertexPNT1> vertices = new FastList<VertexPNT1>(faces.Length * 3);
for (int i = 0; i < faces.Length; i++)
{
int index;
VertexPNT1 vtx;
vtx.pos = positions[faces[i].IndexA];
vtx.n = normals[faces[i].IndexA];
vtx.u = texVtx[texIdx[i].a].X;
vtx.v = texVtx[texIdx[i].a].Y;
string desc = vtx.ToString();
if (!table.TryGetValue(desc, out index))
{
table.Add(desc, vertices.Count);
faces[i].IndexA = vertices.Count;
vertices.Add(ref vtx);
}
else
{
faces[i].IndexA = index;
}
// =========================================
vtx.pos = positions[faces[i].IndexB];
vtx.n = normals[faces[i].IndexB];
vtx.u = texVtx[texIdx[i].b].X;
vtx.v = texVtx[texIdx[i].b].Y;
desc = vtx.ToString();
if (!table.TryGetValue(desc, out index))
{
table.Add(desc, vertices.Count);
faces[i].IndexB = vertices.Count;
vertices.Add(ref vtx);
}
else
{
faces[i].IndexB = index;
}
// =========================================
vtx.pos = positions[faces[i].IndexC];
vtx.n = normals[faces[i].IndexC];
vtx.u = texVtx[texIdx[i].c].X;
vtx.v = texVtx[texIdx[i].c].Y;
desc = vtx.ToString();
if (!table.TryGetValue(desc, out index))
{
table.Add(desc, vertices.Count);
faces[i].IndexC = vertices.Count;
vertices.Add(ref vtx);
}
else
{
faces[i].IndexC = index;
}
}
MeshData data = new MeshData((RenderSystem)null);
data.Faces = faces;
data.VertexElements = VertexPNT1.Elements;
data.VertexSize = VertexPNT1.Size;
data.VertexCount = vertices.Count;
fixed (VertexPNT1* src = &vertices.Elements[0])
{
data.SetData(src, VertexPNT1.Size * vertices.Count);
}
result.Mesh = data;
return result;
}
void ParseTexIndex(XmlReader xml, TexIndex[] texIdx)
{
int index = 0;
int subDepth = xml.Depth;
while (xml.Read() && xml.Depth > subDepth)
{
if (xml.IsStartElement() && !xml.IsEmptyElement)
{
if (xml.Name == "Value")
{
//int index = int.Parse(xml.GetAttribute("Index"));
string[] val = xml.ReadString().Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
val[0] = val[0].Substring(1);
val[2] = val[2].Substring(0, val[2].Length - 1);
texIdx[index++] = new TexIndex(int.Parse(val[0]), int.Parse(val[1]), int.Parse(val[2]));
}
}
}
}
ModelObject ParseMeshData(XmlReader xml)
{
Vector3[] positions = null;
Vector3[] normals = null;
MeshFace[] faces = null;
//Vector2[] tex1 = null;
Vector2[] texVtx = null;
TexIndex[] texIdx = null;
ModelObject result;
result.ParentId = -1;
result.Mesh = null;
result.LocalTransform = Matrix.Identity;
result.ParentName = string.Empty;
result.Index = -1;
int depth = xml.Depth;
while (xml.Read() && xml.Depth > depth)
{
if (xml.IsStartElement() && !xml.IsEmptyElement)
{
switch (xml.Name)
{
case "Parent":
result.ParentId = int.Parse(xml.GetAttribute("ID"));
result.ParentName = xml.GetAttribute("Name");
break;
case "WorldTM":
result.LocalTransform = ParseMatrix(xml);
break;
case "Vertex":
positions = ParseVector3Array(xml);
break;
case "VertexNormal":
normals = ParseVector3Array(xml);
for (int i = 0; i < normals.Length; i++)
{
normals[i].Normalize();
}
break;
case "TriIndex":
faces = ParseMeshFaces(xml);
break;
case "TexVertex":
texVtx = ParseVector2Array(xml);
break;
case "TexIndex":
texIdx = new TexIndex[faces.Length];
ParseTexIndex(xml, texIdx);
break;
}
}
}
Dictionary <string, int> table = new Dictionary <string, int>(faces.Length * 3);
FastList <VertexPNT1> vertices = new FastList <VertexPNT1>(faces.Length * 3);
for (int i = 0; i < faces.Length; i++)
{
int index;
VertexPNT1 vtx;
vtx.pos = positions[faces[i].IndexA];
vtx.n = normals[faces[i].IndexA];
vtx.u = texVtx[texIdx[i].a].X;
vtx.v = texVtx[texIdx[i].a].Y;
string desc = vtx.ToString();
if (!table.TryGetValue(desc, out index))
{
table.Add(desc, vertices.Count);
faces[i].IndexA = vertices.Count;
vertices.Add(ref vtx);
}
else
{
faces[i].IndexA = index;
}
// =========================================
vtx.pos = positions[faces[i].IndexB];
vtx.n = normals[faces[i].IndexB];
vtx.u = texVtx[texIdx[i].b].X;
vtx.v = texVtx[texIdx[i].b].Y;
desc = vtx.ToString();
if (!table.TryGetValue(desc, out index))
{
table.Add(desc, vertices.Count);
faces[i].IndexB = vertices.Count;
vertices.Add(ref vtx);
}
else
{
faces[i].IndexB = index;
}
// =========================================
vtx.pos = positions[faces[i].IndexC];
vtx.n = normals[faces[i].IndexC];
vtx.u = texVtx[texIdx[i].c].X;
vtx.v = texVtx[texIdx[i].c].Y;
desc = vtx.ToString();
if (!table.TryGetValue(desc, out index))
{
table.Add(desc, vertices.Count);
faces[i].IndexC = vertices.Count;
vertices.Add(ref vtx);
}
else
{
faces[i].IndexC = index;
}
}
MeshData data = new MeshData((RenderSystem)null);
data.Faces = faces;
data.VertexElements = VertexPNT1.Elements;
data.VertexSize = VertexPNT1.Size;
data.VertexCount = vertices.Count;
fixed(VertexPNT1 *src = &vertices.Elements[0])
{
data.SetData(src, VertexPNT1.Size * vertices.Count);
}
result.Mesh = data;
return(result);
}
