/// <summary> /// Load the mesh from a stream /// </summary> /// <param name="filename">The filename and path of the file containing the mesh data</param> public virtual void LoadMesh(string filename) { using(FileStream meshData = new FileStream(filename, FileMode.Open, FileAccess.Read)) using (EndianAwareBinaryReader reader = new EndianAwareBinaryReader(meshData)) { Header = TrimAt0(reader.ReadString(24)); if (!String.Equals(Header, MeshHeader)) throw new FileLoadException("Unrecognized mesh format"); // Populate base mesh parameters HasWeights = (reader.ReadByte() != 0); HasDetailTexCoords = (reader.ReadByte() != 0); Position = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); RotationAngles = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); /* RotationOrder = */ reader.ReadByte(); Scale = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); // Populate the vertex array NumVertices = reader.ReadUInt16(); Vertices = new Vertex[NumVertices]; for (int i = 0; i < NumVertices; i++) Vertices[i].Coord = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); for (int i = 0; i < NumVertices; i++) Vertices[i].Normal = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); for (int i = 0; i < NumVertices; i++) Vertices[i].BiNormal = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); for (int i = 0; i < NumVertices; i++) Vertices[i].TexCoord = new Vector2(reader.ReadSingle(), reader.ReadSingle()); if (HasDetailTexCoords) { for (int i = 0; i < NumVertices; i++) Vertices[i].DetailTexCoord = new Vector2(reader.ReadSingle(), reader.ReadSingle()); } if (HasWeights) { for (int i = 0; i < NumVertices; i++) Vertices[i].Weight = reader.ReadSingle(); } NumFaces = reader.ReadUInt16(); Faces = new Face[NumFaces]; for (int i = 0; i < NumFaces; i++) Faces[i].Indices = new[] { reader.ReadInt16(), reader.ReadInt16(), reader.ReadInt16() }; if (HasWeights) { NumSkinJoints = reader.ReadUInt16(); SkinJoints = new string[NumSkinJoints]; for (int i = 0; i < NumSkinJoints; i++) { SkinJoints[i] = TrimAt0(reader.ReadString(64)); } } else { NumSkinJoints = 0; SkinJoints = new string[0]; } // Grab morphs List<Morph> morphs = new List<Morph>(); string morphName = TrimAt0(reader.ReadString(64)); while (morphName != MorphFooter) { if (reader.BaseStream.Position + 48 >= reader.BaseStream.Length) throw new FileLoadException("Encountered end of file while parsing morphs"); Morph morph = new Morph(); morph.Name = morphName; morph.NumVertices = reader.ReadInt32(); morph.Vertices = new MorphVertex[morph.NumVertices]; for (int i = 0; i < morph.NumVertices; i++) { morph.Vertices[i].VertexIndex = reader.ReadUInt32(); morph.Vertices[i].Coord = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); morph.Vertices[i].Normal = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); morph.Vertices[i].BiNormal = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); morph.Vertices[i].TexCoord = new Vector2(reader.ReadSingle(), reader.ReadSingle()); } morphs.Add(morph); // Grab the next name morphName = TrimAt0(reader.ReadString(64)); } Morphs = morphs.ToArray(); // Check if there are remaps or if we're at the end of the file if (reader.BaseStream.Position < reader.BaseStream.Length - 1) { NumRemaps = reader.ReadInt32(); VertexRemaps = new VertexRemap[NumRemaps]; for (int i = 0; i < NumRemaps; i++) { VertexRemaps[i].RemapSource = reader.ReadInt32(); VertexRemaps[i].RemapDestination = reader.ReadInt32(); } } else { NumRemaps = 0; VertexRemaps = new VertexRemap[0]; } } // uncompress the skin weights if (Skeleton != null) { // some meshes aren't weighted, which doesn't make much sense. // we check for left and right eyeballs, and assign them a 100% // to their respective bone List<string> expandedJointList = Skeleton.BuildExpandedJointList(SkinJoints); if (expandedJointList.Count == 0) { if (Name == "eyeBallLeftMesh") { expandedJointList.AddRange(new[] { "mEyeLeft", "mSkull" }); } else if (Name == "eyeBallRightMesh") { expandedJointList.AddRange(new[] { "mEyeRight", "mSkull" }); } } if (expandedJointList.Count > 0) ExpandCompressedSkinWeights(expandedJointList); } }
/// <summary> /// Load the mesh from a stream /// </summary> /// <param name="filename">The filename and path of the file containing the mesh data</param> public virtual void LoadMesh(string filename) { using (FileStream meshData = new FileStream(filename, FileMode.Open, FileAccess.Read)) using (EndianAwareBinaryReader reader = new EndianAwareBinaryReader(meshData)) { Header = TrimAt0(reader.ReadString(24)); if (!String.Equals(Header, MeshHeader)) { throw new FileLoadException("Unrecognized mesh format"); } // Populate base mesh parameters HasWeights = (reader.ReadByte() != 0); HasDetailTexCoords = (reader.ReadByte() != 0); Position = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); RotationAngles = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); /* RotationOrder = */ reader.ReadByte(); Scale = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); // Populate the vertex array NumVertices = reader.ReadUInt16(); Vertices = new Vertex[NumVertices]; for (int i = 0; i < NumVertices; i++) { Vertices[i].Coord = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); } for (int i = 0; i < NumVertices; i++) { Vertices[i].Normal = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); } for (int i = 0; i < NumVertices; i++) { Vertices[i].BiNormal = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); } for (int i = 0; i < NumVertices; i++) { Vertices[i].TexCoord = new Vector2(reader.ReadSingle(), reader.ReadSingle()); } if (HasDetailTexCoords) { for (int i = 0; i < NumVertices; i++) { Vertices[i].DetailTexCoord = new Vector2(reader.ReadSingle(), reader.ReadSingle()); } } if (HasWeights) { for (int i = 0; i < NumVertices; i++) { Vertices[i].Weight = reader.ReadSingle(); } } NumFaces = reader.ReadUInt16(); Faces = new Face[NumFaces]; for (int i = 0; i < NumFaces; i++) { Faces[i].Indices = new[] { reader.ReadInt16(), reader.ReadInt16(), reader.ReadInt16() } } ; if (HasWeights) { NumSkinJoints = reader.ReadUInt16(); SkinJoints = new string[NumSkinJoints]; for (int i = 0; i < NumSkinJoints; i++) { SkinJoints[i] = TrimAt0(reader.ReadString(64)); } } else { NumSkinJoints = 0; SkinJoints = new string[0]; } // Grab morphs List <Morph> morphs = new List <Morph>(); string morphName = TrimAt0(reader.ReadString(64)); while (morphName != MorphFooter) { if (reader.BaseStream.Position + 48 >= reader.BaseStream.Length) { throw new FileLoadException("Encountered end of file while parsing morphs"); } Morph morph = new Morph(); morph.Name = morphName; morph.NumVertices = reader.ReadInt32(); morph.Vertices = new MorphVertex[morph.NumVertices]; for (int i = 0; i < morph.NumVertices; i++) { morph.Vertices[i].VertexIndex = reader.ReadUInt32(); morph.Vertices[i].Coord = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); morph.Vertices[i].Normal = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); morph.Vertices[i].BiNormal = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()); morph.Vertices[i].TexCoord = new Vector2(reader.ReadSingle(), reader.ReadSingle()); } morphs.Add(morph); // Grab the next name morphName = TrimAt0(reader.ReadString(64)); } Morphs = morphs.ToArray(); // Check if there are remaps or if we're at the end of the file if (reader.BaseStream.Position < reader.BaseStream.Length - 1) { NumRemaps = reader.ReadInt32(); VertexRemaps = new VertexRemap[NumRemaps]; for (int i = 0; i < NumRemaps; i++) { VertexRemaps[i].RemapSource = reader.ReadInt32(); VertexRemaps[i].RemapDestination = reader.ReadInt32(); } } else { NumRemaps = 0; VertexRemaps = new VertexRemap[0]; } } // uncompress the skin weights if (Skeleton != null) { // some meshes aren't weighted, which doesn't make much sense. // we check for left and right eyeballs, and assign them a 100% // to their respective bone List <string> expandedJointList = Skeleton.BuildExpandedJointList(SkinJoints); if (expandedJointList.Count == 0) { if (Name == "eyeBallLeftMesh") { expandedJointList.AddRange(new[] { "mEyeLeft", "mSkull" }); } else if (Name == "eyeBallRightMesh") { expandedJointList.AddRange(new[] { "mEyeRight", "mSkull" }); } } if (expandedJointList.Count > 0) { ExpandCompressedSkinWeights(expandedJointList); } } }