public VertexRigged3D(Vector3 postion, Vector3 normal, Vector2 uv, IVector4 boneIdices, Vector4 boneWeigth)
{
Position = postion;
Normal = normal;
UV = uv;
BoneIndices = boneIdices;
BoneWeigths = boneWeigth;
}
MeshDrawer ReadMeshChunk(int streamOffset)
{
//mesh name
reader.BaseStream.Position = streamOffset + 0x7;
int chunkSize = reader.ReadByte();
int meshNamePos = (int)reader.BaseStream.Position + reader.ReadInt32();
reader.BaseStream.Position = meshNamePos;
string meshName = reader.readString();
//material reference
reader.BaseStream.Position = streamOffset + 0x14;
int matNamePos = (int)reader.BaseStream.Position + reader.ReadInt32();
reader.BaseStream.Position = matNamePos + 0x8;
string matName = reader.readString();
//bones reference
reader.BaseStream.Position = streamOffset + 0x58;
int weightBoneNameTableStart = (int)reader.BaseStream.Position + reader.ReadInt32();
reader.BaseStream.Position = streamOffset + 0x5c;
int WeightBoneTableStart = (int)reader.BaseStream.Position + reader.ReadInt32();
reader.BaseStream.Position = streamOffset + 0x78;
int facesCount = reader.ReadInt32();
reader.BaseStream.Position = streamOffset + 0x84;
int verticesCount = reader.ReadInt32();
byte size = 4;
int SizeTest = verticesCount * chunkSize;
if (SizeTest < 0x100)
{
size = 1;
}
else if (SizeTest < 0x10000)
{
size = 2;
}
reader.BaseStream.Position += 8;
int vertSize = reader.readVal(size);
int VertOffset = (int)reader.BaseStream.Position;
List <VertexRigged3D> vertices = new List <VertexRigged3D>();
for (int i = 0; i < verticesCount; i++)
{
VertexRigged3D vertice = new VertexRigged3D();
vertice.Position = reader.readVector3();
//vertex color unsupported
reader.BaseStream.Position += 4;
//if (chunkSize == 0x24 || chunkSize == 0x28)
if (chunkSize == 0x24)
{
reader.BaseStream.Position += 4;
}
else if (chunkSize == 0x30)
{
reader.BaseStream.Position += 4;
reader.BaseStream.Position += 0xc;
}
vertice.UV = new Vector2();
vertice.UV.X = Half.FromBytes(reader.ReadBytes(2), 0);
vertice.UV.Y = Half.FromBytes(reader.ReadBytes(2), 0);
/*
* if (chunkSize == 0x28)
* file.BaseStream.Position += 4;
*/
vertice.BoneIndices = new IVector4(new int[] { reader.ReadByte(), reader.ReadByte(), reader.ReadByte(), reader.ReadByte() });
if (chunkSize == 0x28)
{
vertice.BoneWeigths = reader.readVector4();
}
else
{
vertice.BoneWeigths = new Vector4(reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16());
vertice.BoneWeigths /= 65535f;
}
vertices.Add(vertice);
}
int unknownSize = 4;
if (size == 1)
{
unknownSize = 2;
}
reader.BaseStream.Position = VertOffset + vertSize + size + unknownSize;
int unknownCount = reader.ReadInt32();
reader.BaseStream.Position += 0x10 * unknownCount;
reader.ReadInt32();
//Read Faces
size = 4;
if (facesCount < 0x100)
{
size = 1;
}
else if (facesCount < 0x10000)
{
size = 2;
}
int faceSize = reader.readVal(size);
byte indexValueSize = 4;
if (verticesCount < 0x100)
{
indexValueSize = 1;
}
else if (verticesCount < 0x10000)
{
indexValueSize = 2;
}
int faceOffset = (int)reader.BaseStream.Position;
int[] indexes = new int[facesCount];
for (int i = 0; i < facesCount; i++)
{
indexes[i] = reader.readVal(indexValueSize);
}
//Read Weigth Bones dictionary
reader.BaseStream.Position = weightBoneNameTableStart;
int weightBoneCount = reader.ReadInt32();
int[] boneIdDict = new int[weightBoneCount];
for (int i = 0; i < weightBoneCount; i++)
{
reader.BaseStream.Position = weightBoneNameTableStart + i * 4 + 4;
reader.BaseStream.Position += reader.ReadInt32();
string weightBoneName = reader.readString();
boneIdDict[i] = Array.FindIndex(bones, (b) => b.Name == weightBoneName);
}
var vv = vertices.ToArray();
//set bone id to global
for (int i = 0; i < vv.Length; i++)
{
IVector4 boneIndexes = vv[i].BoneIndices;
boneIndexes.bone1 = boneIdDict[boneIndexes.bone1];
boneIndexes.bone2 = boneIdDict[boneIndexes.bone2];
boneIndexes.bone3 = boneIdDict[boneIndexes.bone3];
boneIndexes.bone4 = boneIdDict[boneIndexes.bone4];
vv[i].BoneIndices = boneIndexes;
}
CalculateVertNormals.CalculateNormals(vv, indexes);
var mesh = new Mesh(vv, indexes);
Material mat;
if (materialTable.TryGetValue(matName, out mat))
{
return(new MeshDrawerRigged(mesh, new Material[] { mat }, boneControll));
}
else
{
return(new MeshDrawerRigged(mesh, boneControll));
}
}