VertexWeight ParseVertexWeight(XmlReader xml)
{
VertexWeight w = new VertexWeight();
List <int> bones = new List <int>();
List <float> weights = new List <float>();
int subDepth = xml.Depth;
while (xml.Read() && xml.Depth > subDepth)
{
if (xml.IsStartElement() && !xml.IsEmptyElement)
{
if (xml.Name == "Value")
{
int id = int.Parse(xml.GetAttribute("BoneID"));
float weight = float.Parse(xml.ReadString());
bones.Add(id);
weights.Add(weight);
}
}
}
w.BoneID = bones.ToArray();
w.Weight = weights.ToArray();
return(w);
}
VertexWeight[] ParseVertexWeightArray(XmlReader xml, int count)
{
VertexWeight[] vtxWeights = new VertexWeight[count];
int subDepth = xml.Depth;
while (xml.Read() && xml.Depth > subDepth)
{
if (xml.IsStartElement() && !xml.IsEmptyElement)
{
if (xml.Name == "Vertex")
{
int index = int.Parse(xml.GetAttribute("Index"));
vtxWeights[index] = ParseVertexWeight(xml);
}
}
}
return(vtxWeights);
}
byte[] BuildVertexPBNT1Data(Vector3[] positions, Vector3[] normals,
Vector2[] texVtx, Index3i[] texIdx, VertexWeight[] vtxWeights, MeshFace[] faces)
{
Dictionary<string, int> table = new Dictionary<string, int>(faces.Length * 3);
FastList<VertexPBNT1> vertices = new FastList<VertexPBNT1>(faces.Length * 3);
float[] blendBuf = new float[4];
byte[] blendBuf2 = new byte[4];
for (int i = 0; i < faces.Length; i++)
{
int index;
VertexPBNT1 vtx;
int vtxIdx = faces[i].IndexA;
vtx.pos = positions[vtxIdx];
vtx.n = normals[vtxIdx];
vtx.u = texVtx[texIdx[i].A].X;
vtx.v = texVtx[texIdx[i].A].Y;
for (int j = 0; j < 4; j++)
{
if (j < vtxWeights[vtxIdx].BoneID.Length)
{
blendBuf[j] = vtxWeights[vtxIdx].Weight[j];
blendBuf2[j] = (byte)vtxWeights[vtxIdx].BoneID[j];
}
else
{
blendBuf2[j] = 0;
blendBuf[j] = 0;
}
}
vtx.blend = new Vector4(blendBuf[0], blendBuf[1], blendBuf[2], blendBuf[3]);
vtx.boneId1 = blendBuf2[0];
vtx.boneId2 = blendBuf2[1];
vtx.boneId3 = blendBuf2[2];
vtx.boneId4 = blendBuf2[3];
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;
}
// =========================================
vtxIdx = faces[i].IndexB;
vtx.pos = positions[vtxIdx];
vtx.n = normals[vtxIdx];
vtx.u = texVtx[texIdx[i].B].X;
vtx.v = texVtx[texIdx[i].B].Y;
for (int j = 0; j < 4; j++)
{
if (j < vtxWeights[vtxIdx].BoneID.Length)
{
blendBuf[j] = vtxWeights[vtxIdx].Weight[j];
blendBuf2[j] = (byte)vtxWeights[vtxIdx].BoneID[j];
}
else
{
blendBuf2[j] = 0;
blendBuf[j] = 0;
}
}
vtx.blend = new Vector4(blendBuf[0], blendBuf[1], blendBuf[2], blendBuf[3]);
vtx.boneId1 = blendBuf2[0];
vtx.boneId2 = blendBuf2[1];
vtx.boneId3 = blendBuf2[2];
vtx.boneId4 = blendBuf2[3];
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;
for (int j = 0; j < 4; j++)
{
if (j < vtxWeights[vtxIdx].BoneID.Length)
{
blendBuf[j] = vtxWeights[vtxIdx].Weight[j];
blendBuf2[j] = (byte)vtxWeights[vtxIdx].BoneID[j];
}
else
{
blendBuf2[j] = 0;
blendBuf[j] = 0;
}
}
vtx.blend = new Vector4(blendBuf[0], blendBuf[1], blendBuf[2], blendBuf[3]);
vtx.boneId1 = blendBuf2[0];
vtx.boneId2 = blendBuf2[1];
vtx.boneId3 = blendBuf2[2];
vtx.boneId4 = blendBuf2[3];
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;
}
}
byte[] buffer = new byte[vertices.Count * sizeof(VertexPBNT1)];
fixed (byte* dst = &buffer[0])
{
fixed (VertexPBNT1* src = &vertices.Elements[0])
{
Memory.Copy(src, dst, buffer.Length);
}
}
return buffer;
}
VertexWeight[] ParseVertexWeightArray(XmlReader xml, int count)
{
VertexWeight[] vtxWeights = new VertexWeight[count];
int subDepth = xml.Depth;
while (xml.Read() && xml.Depth > subDepth)
{
if (xml.IsStartElement() && !xml.IsEmptyElement)
{
if (xml.Name == "Vertex")
{
int index = int.Parse(xml.GetAttribute("Index"));
vtxWeights[index] = ParseVertexWeight(xml);
}
}
}
return vtxWeights;
}
VertexWeight ParseVertexWeight(XmlReader xml)
{
VertexWeight w = new VertexWeight();
List<int> bones = new List<int>();
List<float> weights = new List<float>();
int subDepth = xml.Depth;
while (xml.Read() && xml.Depth > subDepth)
{
if (xml.IsStartElement() && !xml.IsEmptyElement)
{
if (xml.Name == "Value")
{
int id = int.Parse(xml.GetAttribute("BoneID"));
float weight = float.Parse(xml.ReadString());
bones.Add(id);
weights.Add(weight);
}
}
}
w.BoneID = bones.ToArray();
w.Weight = weights.ToArray();
return w;
}