public static Mesh ReadMesh(byte[] data, int _seek)
{
Mesh m = new Mesh();
int seek = _seek;
int offset;
m.name = BitHelper.ReadString(data, seek, out offset);
m.name = "Instance";
seek += offset;
m.bounds = BitHelper.ToBounds(data, seek);
seek += 24;
UInt32 vcount = BitConverter.ToUInt32(data, seek);
seek += 4;
while (true)
{
byte tag = data[seek];
Debug.Log("ReadMesh tag=" + tag);
seek += 1;
if (tag == 255)
{
break;
}
if (tag == 1)//pos
{
Vector3[] poss = new Vector3[vcount];
for (int i = 0; i < vcount; i++)
{
poss[i] = BitHelper.ToVector3(data, seek);
seek += 12;
//if (i == 0)
//{
// Debug.Log("vertices0:" + poss[i]);
//}
}
m.vertices = poss;
}
if (tag == 2)//color
{
Color32[] colors = new Color32[vcount];
for (int i = 0; i < vcount; i++)
{
colors[i] = BitHelper.ToColor32(data, seek);
seek += 4;
//if (i == 0)
//{
// Debug.Log("colors320:" + colors[i]);
//}
}
m.colors32 = colors;
}
if (tag == 3)//normal
{
Vector3[] normals = new Vector3[vcount];
for (int i = 0; i < vcount; i++)
{
normals[i] = BitHelper.ToVector3(data, seek);
seek += 12;
//if (i == 0)
//{
// Debug.Log("normals0:" + normals[i]);
//}
}
m.normals = normals;
}
if (tag == 4)//uv
{
Vector2[] uvs = new Vector2[vcount];
for (int i = 0; i < vcount; i++)
{
uvs[i] = BitHelper.ToVector2(data, seek);
seek += 8;
//if (i == 0)
//{
// Debug.Log("uvs0:" + uvs[i]);
//}
}
m.uv = uvs;
}
if (tag == 5)//uv2
{
Vector2[] uvs = new Vector2[vcount];
for (int i = 0; i < vcount; i++)
{
uvs[i] = BitHelper.ToVector2(data, seek);
seek += 8;
}
m.uv2 = uvs;
}
if (tag == 6)//uv3
{
Vector2[] uvs = new Vector2[vcount];
for (int i = 0; i < vcount; i++)
{
uvs[i] = BitHelper.ToVector2(data, seek);
seek += 8;
}
m.uv3 = uvs;
}
if (tag == 7)
{
Vector4[] tangents = new Vector4[vcount];
for (int i = 0; i < vcount; i++)
{
tangents[i] = BitHelper.ToVector4(data, seek);
seek += 16;
}
m.tangents = tangents;
}
if (tag == 8)//uv4
{
Vector2[] uvs = new Vector2[vcount];
for (int i = 0; i < vcount; i++)
{
uvs[i] = BitHelper.ToVector2(data, seek);
seek += 8;
}
m.uv4 = uvs;
}
if (tag == 16)
{
int len = data[seek]; seek++;
//s.WriteByte((byte)mesh.bindposes.Length);//length diff
Matrix4x4[] bindpose = new Matrix4x4[len];
for (int i = 0; i < len; i++)
{
Vector3 pos = BitHelper.ToVector3(data, seek);
seek += 12;
Vector3 scale = BitHelper.ToVector3(data, seek);
seek += 12;
Quaternion quat = BitHelper.ToQuaternion(data, seek);
seek += 16;
bindpose[i] = Matrix4x4.TRS(pos, quat, scale);
}
m.bindposes = bindpose;
}
if (tag == 17)
{
BoneWeight[] weights = new BoneWeight[vcount];
for (int i = 0; i < vcount; i++)
{
weights[i].boneIndex0 = BitConverter.ToInt32(data, seek); seek += 4;
weights[i].boneIndex1 = BitConverter.ToInt32(data, seek); seek += 4;
weights[i].boneIndex2 = BitConverter.ToInt32(data, seek); seek += 4;
weights[i].boneIndex3 = BitConverter.ToInt32(data, seek); seek += 4;
weights[i].weight0 = BitConverter.ToSingle(data, seek); seek += 4;
weights[i].weight1 = BitConverter.ToSingle(data, seek); seek += 4;
weights[i].weight2 = BitConverter.ToSingle(data, seek); seek += 4;
weights[i].weight3 = BitConverter.ToSingle(data, seek); seek += 4;
}
m.boneWeights = weights;
}
}
int subcount = data[seek];
seek += 1;
Debug.Log("sub=" + subcount);
for (int i = 0; i < subcount; i++)
{
int tv = BitConverter.ToInt32(data, seek);
seek += 4;
UInt32 length = BitConverter.ToUInt32(data, seek);
Debug.Log("indlength:" + length);
seek += 4;
int[] indices = new int[length];
for (int j = 0; j < length; j++)
{
indices[j] = BitConverter.ToInt32(data, seek);
seek += 4;
}
MeshTopology ttv = (MeshTopology)tv;
m.SetIndices(indices, (MeshTopology)tv, i);
}
return(m);
}
