Example #1
0
 public VertexRigged3D(Vector3 postion, Vector3 normal, Vector2 uv, IVector4 boneIdices, Vector4 boneWeigth)
 {
     Position    = postion;
     Normal      = normal;
     UV          = uv;
     BoneIndices = boneIdices;
     BoneWeigths = boneWeigth;
 }
Example #2
0
        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));
            }
        }