Exemplo n.º 1
0
        /// <summary>
        /// Read mesh chunk and buffer infos.
        /// </summary>
        public void LoadData(CR2WFile meshFile)
        {
            // IMPLEMENTED FROM jlouis' witcherconverter
            // http://jlouisb.users.sourceforge.net/
            // https://bitbucket.org/jlouis/witcherconverter

            SBufferInfos bufferInfos = new SBufferInfos();

            // *************** READ CHUNK INFOS ***************
            foreach (var chunk in meshFile.Chunks)
            {
                if (chunk.REDType == "CMesh" && chunk.data is CMesh cmesh)
                {
                    List <SVertexBufferInfos> vertexBufferInfos = new List <SVertexBufferInfos>();
                    SMeshCookedData           meshCookedData    = cmesh.CookedData;


                    var bytes = meshCookedData.RenderChunks.Bytes;
                    using (MemoryStream ms = new MemoryStream(bytes))
                        using (BinaryReader br = new BinaryReader(ms))
                        {
                            var nbBuffers = br.ReadByte();
                            for (uint i = 0; i < nbBuffers; i++)
                            {
                                SVertexBufferInfos buffInfo = new SVertexBufferInfos();

                                br.BaseStream.Position       += 1; // Unknown
                                buffInfo.verticesCoordsOffset = br.ReadUInt32();
                                buffInfo.uvOffset             = br.ReadUInt32();
                                buffInfo.normalsOffset        = br.ReadUInt32();

                                br.BaseStream.Position += 9; // Unknown
                                buffInfo.indicesOffset  = br.ReadUInt32();
                                br.BaseStream.Position += 1; // 0x1D

                                buffInfo.nbVertices     = br.ReadUInt16();
                                buffInfo.nbIndices      = br.ReadUInt32();
                                buffInfo.materialID     = br.ReadByte();
                                br.BaseStream.Position += 2;             // Unknown
                                buffInfo.lod            = br.ReadByte(); // lod ?

                                vertexBufferInfos.Add(buffInfo);
                            }
                        }

                    bufferInfos.indexBufferOffset = meshCookedData.IndexBufferOffset.val;
                    bufferInfos.indexBufferSize   = meshCookedData.IndexBufferSize.val;
                    //bufferInfos.vertexBufferOffset = meshCookedData.vertexBufferOffset.val; //FIXME
                    bufferInfos.vertexBufferSize     = meshCookedData.VertexBufferSize.val;
                    bufferInfos.quantizationOffset.X = meshCookedData.QuantizationOffset.X.val;
                    bufferInfos.quantizationOffset.Y = meshCookedData.QuantizationOffset.Y.val;
                    bufferInfos.quantizationOffset.Z = meshCookedData.QuantizationOffset.Z.val;
                    bufferInfos.quantizationScale.X  = meshCookedData.QuantizationScale.X.val;
                    bufferInfos.quantizationScale.Y  = meshCookedData.QuantizationScale.Y.val;
                    bufferInfos.quantizationScale.Z  = meshCookedData.QuantizationScale.Z.val;

                    if (meshCookedData.BonePositions != null)
                    {
                        foreach (var item in meshCookedData.BonePositions)
                        {
                            Vector3Df pos = new Vector3Df();
                            pos.X = item.X.val;
                            pos.Y = item.Y.val;
                            pos.Z = item.Z.val;
                            bonePositions.Add(pos);
                        }
                    }


                    bufferInfos.verticesBuffer = vertexBufferInfos;
                    CArray <SMeshChunkPacked> meshChunks = cmesh.Chunks;
                    foreach (SMeshChunkPacked meshChunk in meshChunks.Elements)
                    {
                        SMeshInfos meshInfo = new SMeshInfos();

                        meshInfo.numVertices       = meshChunk.NumVertices == null ? 0 : meshChunk.NumVertices.val;
                        meshInfo.numIndices        = meshChunk.NumIndices == null ? 0 : meshChunk.NumIndices.val;
                        meshInfo.numBonesPerVertex = meshChunk.NumBonesPerVertex == null ? (uint)0 : meshChunk.NumBonesPerVertex.val;
                        meshInfo.firstVertex       = meshChunk.FirstVertex == null ? 0 : meshChunk.FirstVertex.val;
                        meshInfo.firstIndex        = meshChunk.FirstIndex == null ? 0 : meshChunk.FirstIndex.val;
                        meshInfo.materialID        = meshChunk.MaterialID == null ? 0 : meshChunk.MaterialID.val;

                        if (meshChunk.VertexType != null)
                        {
                            if (meshChunk.VertexType.WrappedEnum == Enums.EMeshVertexType.MVT_StaticMesh)
                            {
                                meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_STATIC;
                            }
                            else if (meshChunk.VertexType.WrappedEnum == Enums.EMeshVertexType.MVT_SkinnedMesh)
                            {
                                meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_SKINNED;
                            }
                        }

                        CData.meshInfos.Add(meshInfo);
                    }

                    // bone names and matrices
                    CBufferVLQInt32 <CName>      boneNames    = cmesh.BoneNames;
                    CBufferVLQInt32 <CMatrix4x4> bonematrices = cmesh.Bonematrices;
                    CData.boneData.nbBones = (uint)boneNames.elements.Count;
                    for (int i = 0; i < CData.boneData.nbBones; i++)
                    {
                        CName name = boneNames.elements[i];
                        CData.boneData.jointNames.Add(name.Value);

                        CMatrix4x4 cmatrix = bonematrices.elements[i];
                        Matrix     matrix  = new Matrix();
                        for (int j = 0; j < 16; j++)
                        {
                            float value = (cmatrix.fields[j] as CFloat).val;
                            matrix.SetElement(j, value);
                        }
                        CData.boneData.boneMatrices.Add(matrix);
                    }
                }

                else if (chunk.REDType == "CMaterialInstance")
                {
                    CData.materialInstances.Add(chunk.data as CMaterialInstance);
                }
            }

            // *************** READ MESH BUFFER INFOS ***************
            foreach (var meshInfo in CData.meshInfos)
            {
                SVertexBufferInfos vBufferInf = new SVertexBufferInfos();
                uint nbVertices        = 0;
                uint firstVertexOffset = 0;
                uint nbIndices         = 0;
                uint firstIndiceOffset = 0;
                for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
                {
                    nbVertices += bufferInfos.verticesBuffer[i].nbVertices;
                    if (nbVertices > meshInfo.firstVertex)
                    {
                        vBufferInf = bufferInfos.verticesBuffer[i];
                        // the index of the first vertex in the buffer
                        firstVertexOffset = meshInfo.firstVertex - (nbVertices - vBufferInf.nbVertices);
                        break;
                    }
                }
                for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
                {
                    nbIndices += bufferInfos.verticesBuffer[i].nbIndices;
                    if (nbIndices > meshInfo.firstIndex)
                    {
                        vBufferInf        = bufferInfos.verticesBuffer[i];
                        firstIndiceOffset = meshInfo.firstIndex - (nbIndices - vBufferInf.nbIndices);
                        break;
                    }
                }

                // Load only best LOD
                if (vBufferInf.lod == 1)
                {
                    using (BinaryReader br = new BinaryReader(File.Open(meshFile.FileName + ".1.buffer", FileMode.Open)))
                    {
                        uint vertexSize = 8;
                        if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
                        {
                            vertexSize += meshInfo.numBonesPerVertex * 2;
                        }

                        br.BaseStream.Seek(vBufferInf.verticesCoordsOffset + firstVertexOffset * vertexSize, SeekOrigin.Begin);

                        List <Vertex3D> vertex3DCoords = new List <Vertex3D>();
                        Color           defaultColor   = new Color(255, 255, 255, 255);
                        for (uint i = 0; i < meshInfo.numVertices; i++)
                        {
                            ushort x = br.ReadUInt16();
                            ushort y = br.ReadUInt16();
                            ushort z = br.ReadUInt16();
                            ushort w = br.ReadUInt16();

                            if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
                            {
                                //sr.BaseStream.Seek(meshInfo.numBonesPerVertex * 2, SeekOrigin.Current);
                                byte[] skinningData = new byte[meshInfo.numBonesPerVertex * 2];
                                br.BaseStream.Read(skinningData, 0, (int)meshInfo.numBonesPerVertex * 2);

                                for (uint j = 0; j < meshInfo.numBonesPerVertex; ++j)
                                {
                                    uint  boneId  = skinningData[j];
                                    uint  weight  = skinningData[j + meshInfo.numBonesPerVertex];
                                    float fweight = weight / 255.0f;

                                    if (weight != 0)
                                    {
                                        var vertexSkinningEntry = new W3_DataCache.VertexSkinningEntry();
                                        vertexSkinningEntry.boneId       = boneId;
                                        vertexSkinningEntry.meshBufferId = 0;
                                        vertexSkinningEntry.vertexId     = i;
                                        vertexSkinningEntry.strength     = fweight;
                                        CData.w3_DataCache.vertices.Add(vertexSkinningEntry);
                                    }
                                }
                            }

                            Vertex3D vertex3DCoord = new Vertex3D();
                            vertex3DCoord.Position = new Vector3Df(x, y, z) / 65535f * bufferInfos.quantizationScale + bufferInfos.quantizationOffset;
                            vertex3DCoord.Color    = defaultColor;
                            vertex3DCoords.Add(vertex3DCoord);
                        }

                        br.BaseStream.Seek(vBufferInf.uvOffset + firstVertexOffset * 4, SeekOrigin.Begin);

                        for (int i = 0; i < meshInfo.numVertices; i++)
                        {
                            float uf = br.ReadHalfFloat();
                            float vf = br.ReadHalfFloat();

                            Vertex3D vertex3DCoord = vertex3DCoords[i];
                            vertex3DCoord.TCoords = new Vector2Df(uf, vf);
                            vertex3DCoords[i]     = vertex3DCoord;
                        }

                        // Indices -------------------------------------------------------------------
                        br.BaseStream.Seek(bufferInfos.indexBufferOffset + vBufferInf.indicesOffset + firstIndiceOffset * 2, SeekOrigin.Begin);

                        List <ushort> indices = new List <ushort>();
                        for (int i = 0; i < meshInfo.numIndices; i++)
                        {
                            indices.Add(0);
                        }

                        for (int i = 0; i < meshInfo.numIndices; i++)
                        {
                            ushort index = br.ReadUInt16();

                            // Indice need to be inversed for the normals
                            if (i % 3 == 0)
                            {
                                indices[i] = index;
                            }
                            else if (i % 3 == 1)
                            {
                                indices[i + 1] = index;
                            }
                            else if (i % 3 == 2)
                            {
                                indices[i - 1] = index;
                            }
                        }

                        MeshBuffer meshBuff = MeshBuffer.Create(VertexType.Standard, IndexType._16Bit);
                        meshBuff.Append(vertex3DCoords.ToArray(), indices.ToArray());
                        meshBuff.RecalculateBoundingBox();
                        CData.staticMesh.AddMeshBuffer(meshBuff);
                        meshBuff.Drop();
                    }
                }
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Read mesh chunk and buffer infos.
        /// </summary>
        public void LoadData(CR2WFile meshFile)
        {
            // IMPLEMENTED FROM jlouis' witcherconverter
            // http://jlouisb.users.sourceforge.net/
            // https://bitbucket.org/jlouis/witcherconverter

            SBufferInfos bufferInfos = new SBufferInfos();

            // *************** READ CHUNK INFOS ***************
            foreach (var chunk in meshFile.chunks)
            {
                if (chunk.Type == "CMesh")
                {
                    List <SVertexBufferInfos> vertexBufferInfos = new List <SVertexBufferInfos>();
                    var cookedDatas = chunk.GetVariableByName("cookedData") as CVector;
                    foreach (var cookedData in cookedDatas.variables)
                    {
                        switch (cookedData.Name)
                        {
                        case "renderChunks":
                        {
                            var bytes = ((CByteArray)cookedData).Bytes;
                            using (MemoryStream ms = new MemoryStream(bytes))
                                using (BinaryReader br = new BinaryReader(ms))
                                {
                                    var nbBuffers = br.ReadByte();
                                    for (uint i = 0; i < nbBuffers; i++)
                                    {
                                        SVertexBufferInfos buffInfo = new SVertexBufferInfos();

                                        br.BaseStream.Position       += 1; // Unknown
                                        buffInfo.verticesCoordsOffset = br.ReadUInt32();
                                        buffInfo.uvOffset             = br.ReadUInt32();
                                        buffInfo.normalsOffset        = br.ReadUInt32();

                                        br.BaseStream.Position += 9;     // Unknown
                                        buffInfo.indicesOffset  = br.ReadUInt32();
                                        br.BaseStream.Position += 1;     // 0x1D

                                        buffInfo.nbVertices     = br.ReadUInt16();
                                        buffInfo.nbIndices      = br.ReadUInt32();
                                        br.BaseStream.Position += 3;             // Unknown
                                        buffInfo.lod            = br.ReadByte(); // lod ?

                                        vertexBufferInfos.Add(buffInfo);
                                    }
                                }
                            break;
                        }

                        case "indexBufferOffset":
                        {
                            bufferInfos.indexBufferOffset = uint.Parse(cookedData.ToString());
                            break;
                        }

                        case "indexBufferSize":
                        {
                            bufferInfos.indexBufferSize = uint.Parse(cookedData.ToString());
                            break;
                        }

                        case "vertexBufferOffset":
                        {
                            bufferInfos.vertexBufferOffset = uint.Parse(cookedData.ToString());
                            break;
                        }

                        case "vertexBufferSize":
                        {
                            bufferInfos.vertexBufferSize = uint.Parse(cookedData.ToString());
                            break;
                        }

                        case "quantizationOffset":
                        {
                            bufferInfos.quantizationOffset.X = float.Parse((cookedData as CVector).variables[0].ToString());
                            bufferInfos.quantizationOffset.Y = float.Parse((cookedData as CVector).variables[1].ToString());
                            bufferInfos.quantizationOffset.Z = float.Parse((cookedData as CVector).variables[2].ToString());
                            break;
                        }

                        case "quantizationScale":
                        {
                            bufferInfos.quantizationScale.X = float.Parse((cookedData as CVector).variables[0].ToString());
                            bufferInfos.quantizationScale.Y = float.Parse((cookedData as CVector).variables[1].ToString());
                            bufferInfos.quantizationScale.Z = float.Parse((cookedData as CVector).variables[2].ToString());
                            break;
                        }

                        case "bonePositions":
                        {
                            foreach (CVector item in cookedData as CArray)
                            {
                                if (item.variables.Count == 4)
                                {
                                    Vector3Df pos = new Vector3Df();
                                    pos.X = (item.variables[0] as CFloat).val;
                                    pos.Y = (item.variables[1] as CFloat).val;
                                    pos.Z = (item.variables[2] as CFloat).val;
                                    bonePositions.Add(pos);
                                }
                            }
                            break;
                        }
                        }
                    }
                    bufferInfos.verticesBuffer = vertexBufferInfos;
                    var meshChunks = chunk.GetVariableByName("chunks") as CArray;
                    foreach (var meshChunk in meshChunks.array)
                    {
                        SMeshInfos meshInfo = new SMeshInfos();
                        foreach (var meshinfo in (meshChunk as CVector).variables)
                        {
                            switch (meshinfo.Name)
                            {
                            case "numVertices":
                            {
                                meshInfo.numVertices = uint.Parse(meshinfo.ToString());
                                break;
                            }

                            case "numIndices":
                            {
                                meshInfo.numIndices = uint.Parse(meshinfo.ToString());
                                break;
                            }

                            case "numBonesPerVertex":
                            {
                                meshInfo.numBonesPerVertex = uint.Parse(meshinfo.ToString());
                                break;
                            }

                            case "firstVertex":
                            {
                                meshInfo.firstVertex = uint.Parse(meshinfo.ToString());
                                break;
                            }

                            case "firstIndex":
                            {
                                meshInfo.firstIndex = uint.Parse(meshinfo.ToString());
                                break;
                            }

                            case "vertexType":
                            {
                                if ((meshinfo as CName).Value == "MVT_StaticMesh")
                                {
                                    meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_STATIC;
                                }
                                else if ((meshinfo as CName).Value == "MVT_SkinnedMesh")
                                {
                                    meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_SKINNED;
                                }
                                break;
                            }

                            case "materialID":
                            {
                                meshInfo.materialID = uint.Parse(meshinfo.ToString());
                                break;
                            }
                            }
                        }
                        CData.meshInfos.Add(meshInfo);
                    }

                    // TODO: Create a more reliable solution
                    var unknownBytes = chunk.unknownBytes.Bytes;
                    using (var ms = new MemoryStream(unknownBytes))
                        using (var br = new BinaryReader(ms))
                        {
                            long prevPos    = 0;
                            bool correctPos = false;
                            do
                            {
                                prevPos = br.BaseStream.Position;
                                CData.boneData.nbBones = (uint)br.ReadBit6();

                                if (CData.boneData.nbBones == bonePositions.Count)
                                {
                                    var backPos = br.BaseStream.Position;
                                    correctPos = true;
                                    for (int i = 0; i < CData.boneData.nbBones; i++)
                                    {
                                        var stringIdx = br.ReadUInt16();
                                        if (stringIdx == 0 || stringIdx >= meshFile.names.Count)
                                        {
                                            CData.boneData.nbBones = 0;
                                            correctPos             = false;
                                            break;
                                        }
                                    }
                                    br.BaseStream.Position = backPos;
                                }
                            } while (CData.boneData.nbBones != bonePositions.Count && br.BaseStream.Position < unknownBytes.Length && !correctPos);

                            if (br.BaseStream.Position < unknownBytes.Length)
                            {
                                br.BaseStream.Position = prevPos;
                                CData.boneData.nbBones = (uint)br.ReadBit6();
                                for (uint i = 0; i < CData.boneData.nbBones; i++)
                                {
                                    var stringIdx = br.ReadUInt16();
                                    CData.boneData.jointNames.Add(meshFile.names[stringIdx].str);
                                }
                                br.ReadBit6();
                                for (uint i = 0; i < CData.boneData.nbBones; i++)
                                {
                                    Matrix matrix = new Matrix();
                                    for (int j = 0; j < 16; j++)
                                    {
                                        var value = br.ReadSingle();
                                        matrix.SetElement(j, value);
                                    }
                                    CData.boneData.boneMatrices.Add(matrix);
                                }
                            }
                        }
                }
                else if (chunk.Type == "CMaterialInstance")
                {
                    CData.materialInstances.Add(chunk.data as CMaterialInstance);
                }
            }

            // *************** READ MESH BUFFER INFOS ***************
            foreach (var meshInfo in CData.meshInfos)
            {
                SVertexBufferInfos vBufferInf = new SVertexBufferInfos();
                uint nbVertices        = 0;
                uint firstVertexOffset = 0;
                uint nbIndices         = 0;
                uint firstIndiceOffset = 0;
                for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
                {
                    nbVertices += bufferInfos.verticesBuffer[i].nbVertices;
                    if (nbVertices > meshInfo.firstVertex)
                    {
                        vBufferInf = bufferInfos.verticesBuffer[i];
                        // the index of the first vertex in the buffer
                        firstVertexOffset = meshInfo.firstVertex - (nbVertices - vBufferInf.nbVertices);
                        break;
                    }
                }
                for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
                {
                    nbIndices += bufferInfos.verticesBuffer[i].nbIndices;
                    if (nbIndices > meshInfo.firstIndex)
                    {
                        vBufferInf        = bufferInfos.verticesBuffer[i];
                        firstIndiceOffset = meshInfo.firstIndex - (nbIndices - vBufferInf.nbIndices);
                        break;
                    }
                }

                // Load only best LOD
                if (vBufferInf.lod == 1)
                {
                    using (BinaryReader br = new BinaryReader(File.Open(meshFile.FileName + ".1.buffer", FileMode.Open)))
                    {
                        uint vertexSize = 8;
                        if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
                        {
                            vertexSize += meshInfo.numBonesPerVertex * 2;
                        }

                        br.BaseStream.Seek(vBufferInf.verticesCoordsOffset + firstVertexOffset * vertexSize, SeekOrigin.Begin);

                        List <Vertex3D> vertex3DCoords = new List <Vertex3D>();
                        Color           defaultColor   = new Color(255, 255, 255, 255);
                        for (uint i = 0; i < meshInfo.numVertices; i++)
                        {
                            ushort x = br.ReadUInt16();
                            ushort y = br.ReadUInt16();
                            ushort z = br.ReadUInt16();
                            ushort w = br.ReadUInt16();

                            if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
                            {
                                //sr.BaseStream.Seek(meshInfo.numBonesPerVertex * 2, SeekOrigin.Current);
                                byte[] skinningData = new byte[meshInfo.numBonesPerVertex * 2];
                                br.BaseStream.Read(skinningData, 0, (int)meshInfo.numBonesPerVertex * 2);

                                for (uint j = 0; j < meshInfo.numBonesPerVertex; ++j)
                                {
                                    uint  boneId  = skinningData[j];
                                    uint  weight  = skinningData[j + meshInfo.numBonesPerVertex];
                                    float fweight = weight / 255.0f;

                                    if (weight != 0)
                                    {
                                        var vertexSkinningEntry = new W3_DataCache.VertexSkinningEntry();
                                        vertexSkinningEntry.boneId       = boneId;
                                        vertexSkinningEntry.meshBufferId = 0;
                                        vertexSkinningEntry.vertexId     = i;
                                        vertexSkinningEntry.strength     = fweight;
                                        CData.w3_DataCache.vertices.Add(vertexSkinningEntry);
                                    }
                                }
                            }

                            Vertex3D vertex3DCoord = new Vertex3D();
                            vertex3DCoord.Position = new Vector3Df(x, y, z) / 65535f * bufferInfos.quantizationScale + bufferInfos.quantizationOffset;
                            vertex3DCoord.Color    = defaultColor;
                            vertex3DCoords.Add(vertex3DCoord);
                        }

                        br.BaseStream.Seek(vBufferInf.uvOffset + firstVertexOffset * 4, SeekOrigin.Begin);

                        for (int i = 0; i < meshInfo.numVertices; i++)
                        {
                            float uf = br.ReadHalfFloat();
                            float vf = br.ReadHalfFloat();

                            Vertex3D vertex3DCoord = vertex3DCoords[i];
                            vertex3DCoord.TCoords = new Vector2Df(uf, vf);
                            vertex3DCoords[i]     = vertex3DCoord;
                        }

                        // Indices -------------------------------------------------------------------
                        br.BaseStream.Seek(bufferInfos.indexBufferOffset + vBufferInf.indicesOffset + firstIndiceOffset * 2, SeekOrigin.Begin);

                        List <ushort> indices = new List <ushort>();
                        for (int i = 0; i < meshInfo.numIndices; i++)
                        {
                            indices.Add(0);
                        }

                        for (int i = 0; i < meshInfo.numIndices; i++)
                        {
                            ushort index = br.ReadUInt16();

                            // Indice need to be inversed for the normals
                            if (i % 3 == 0)
                            {
                                indices[i] = index;
                            }
                            else if (i % 3 == 1)
                            {
                                indices[i + 1] = index;
                            }
                            else if (i % 3 == 2)
                            {
                                indices[i - 1] = index;
                            }
                        }

                        MeshBuffer meshBuff = MeshBuffer.Create(VertexType.Standard, IndexType._16Bit);
                        CData.staticMesh.AddMeshBuffer(meshBuff);
                        meshBuff.Append(vertex3DCoords, indices);
                        meshBuff.RecalculateBoundingBox();
                        meshBuff.Drop();
                    }
                }
            }
        }
Exemplo n.º 3
0
        /// <summary>
        /// Reads mesh buffer infos.
        /// </summary>
        void ReadMeshBufferInfos()
        {
            // IMPLEMENTED FROM jlouis' witcherconverter
            // http://jlouisb.users.sourceforge.net/
            // https://bitbucket.org/jlouis/witcherconverter

            SBufferInfos bufferInfos = new SBufferInfos();

            // *************** READ CHUNK INFOS ***************
            foreach (var chunk in _file.chunks)
            {
                if (chunk.Type == "CMesh")
                {
                    List <SVertexBufferInfos> vertexBufferInfos = new List <SVertexBufferInfos>();
                    var cookedDatas = chunk.GetVariableByName("cookedData") as CVector;
                    foreach (var cookedData in cookedDatas.variables)
                    {
                        switch (cookedData.Name)
                        {
                        case "renderChunks":
                        {
                            var bytes     = ((CByteArray)cookedData).Bytes;
                            var nbBuffers = bytes[0];
                            int curr      = 1;
                            for (uint i = 0; i < nbBuffers; i++)
                            {
                                SVertexBufferInfos buffInfo = new SVertexBufferInfos();

                                curr += 1;         // Unknown
                                buffInfo.verticesCoordsOffset = bytes.SubArray(ref curr, 4).GetUint();
                                buffInfo.uvOffset             = bytes.SubArray(ref curr, 4).GetUint();
                                buffInfo.normalsOffset        = bytes.SubArray(ref curr, 4).GetUint();

                                curr += 9;         // Unknown
                                buffInfo.indicesOffset = bytes.SubArray(ref curr, 4).GetUint();
                                curr += 1;         // 0x1D

                                buffInfo.nbVertices = bytes.SubArray(ref curr, 2).GetUshort();
                                buffInfo.nbIndices  = bytes.SubArray(ref curr, 4).GetUint();
                                curr        += 3;                                     // Unknown
                                buffInfo.lod = bytes.SubArray(ref curr, 1).GetByte(); // lod ?

                                vertexBufferInfos.Add(buffInfo);
                            }
                            break;
                        }

                        case "indexBufferOffset":
                        {
                            bufferInfos.indexBufferOffset = uint.Parse(cookedData.ToString());
                            break;
                        }

                        case "indexBufferSize":
                        {
                            bufferInfos.indexBufferSize = uint.Parse(cookedData.ToString());
                            break;
                        }

                        case "vertexBufferOffset":
                        {
                            bufferInfos.vertexBufferOffset = uint.Parse(cookedData.ToString());
                            break;
                        }

                        case "vertexBufferSize":
                        {
                            bufferInfos.vertexBufferSize = uint.Parse(cookedData.ToString());
                            break;
                        }

                        case "quantizationOffset":
                        {
                            bufferInfos.quantizationOffset.X = float.Parse((cookedData as CVector).variables[0].ToString());
                            bufferInfos.quantizationOffset.Y = float.Parse((cookedData as CVector).variables[1].ToString());
                            bufferInfos.quantizationOffset.Z = float.Parse((cookedData as CVector).variables[2].ToString());
                            break;
                        }

                        case "quantizationScale":
                        {
                            bufferInfos.quantizationScale.X = float.Parse((cookedData as CVector).variables[0].ToString());
                            bufferInfos.quantizationScale.Y = float.Parse((cookedData as CVector).variables[1].ToString());
                            bufferInfos.quantizationScale.Z = float.Parse((cookedData as CVector).variables[2].ToString());
                            break;
                        }

                        case "bonePositions":
                        {
                            foreach (CVector item in cookedData as CArray)
                            {
                                if (item.variables.Count == 4)
                                {
                                    Vector3Df pos = new Vector3Df();
                                    pos.X = (item.variables[0] as CFloat).val;
                                    pos.Y = (item.variables[1] as CFloat).val;
                                    pos.Z = (item.variables[2] as CFloat).val;
                                    bonePositions.Add(pos);
                                }
                            }
                            break;
                        }
                        }
                    }
                    bufferInfos.verticesBuffer = vertexBufferInfos;
                    var meshChunks = chunk.GetVariableByName("chunks") as CArray;
                    foreach (var meshChunk in meshChunks.array)
                    {
                        SMeshInfos meshInfo = new SMeshInfos();
                        foreach (var mesh in (meshChunk as CVector).variables)
                        {
                            switch (mesh.Name)
                            {
                            case "numVertices":
                            {
                                meshInfo.numVertices = uint.Parse(mesh.ToString());
                                break;
                            }

                            case "numIndices":
                            {
                                meshInfo.numIndices = uint.Parse(mesh.ToString());
                                break;
                            }

                            case "numBonesPerVertex":
                            {
                                meshInfo.numBonesPerVertex = uint.Parse(mesh.ToString());
                                break;
                            }

                            case "firstVertex":
                            {
                                meshInfo.firstVertex = uint.Parse(mesh.ToString());
                                break;
                            }

                            case "firstIndex":
                            {
                                meshInfo.firstIndex = uint.Parse(mesh.ToString());
                                break;
                            }

                            case "vertexType":
                            {
                                if ((mesh as CName).Value == "MVT_StaticMesh")
                                {
                                    meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_STATIC;
                                }
                                else if ((mesh as CName).Value == "MVT_SkinnedMesh")
                                {
                                    meshInfo.vertexType = SMeshInfos.EMeshVertexType.EMVT_SKINNED;
                                }
                                break;
                            }

                            case "materialID":
                            {
                                meshInfo.materialID = uint.Parse(mesh.ToString());
                                break;
                            }
                            }
                        }
                        meshInfos.Add(meshInfo);
                    }
                }
                else if (chunk.Type == "CMaterialInstance")
                {
                    materialInstances.Add(chunk.data as CMaterialInstance);
                }
            }

            // *************** READ MESH BUFFER INFOS ***************
            foreach (var meshInfo in meshInfos)
            {
                SVertexBufferInfos vBufferInf = new SVertexBufferInfos();
                uint nbVertices        = 0;
                uint firstVertexOffset = 0;
                uint nbIndices         = 0;
                uint firstIndiceOffset = 0;
                for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
                {
                    nbVertices += bufferInfos.verticesBuffer[i].nbVertices;
                    if (nbVertices > meshInfo.firstVertex)
                    {
                        vBufferInf = bufferInfos.verticesBuffer[i];
                        // the index of the first vertex in the buffer
                        firstVertexOffset = meshInfo.firstVertex - (nbVertices - vBufferInf.nbVertices);
                        break;
                    }
                }
                for (int i = 0; i < bufferInfos.verticesBuffer.Count; i++)
                {
                    nbIndices += bufferInfos.verticesBuffer[i].nbIndices;
                    if (nbIndices > meshInfo.firstIndex)
                    {
                        vBufferInf        = bufferInfos.verticesBuffer[i];
                        firstIndiceOffset = meshInfo.firstIndex - (nbIndices - vBufferInf.nbIndices);
                        break;
                    }
                }

                using (StreamReader sr = new StreamReader(_file.FileName + ".1.buffer"))
                {
                    uint vertexSize = 8;
                    if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
                    {
                        vertexSize += meshInfo.numBonesPerVertex * 2;
                    }

                    sr.BaseStream.Seek(vBufferInf.verticesCoordsOffset + firstVertexOffset * vertexSize, SeekOrigin.Begin);

                    List <Vertex3D> vertex3DCoords = new List <Vertex3D>();
                    Color           defaultColor   = new Color(255, 255, 255, 255);
                    for (int i = 0; i < meshInfo.numVertices; i++)
                    {
                        ushort x, y, z, w;

                        byte[] buff = new byte[2];
                        sr.BaseStream.Read(buff, 0, 2);
                        x = buff.GetUshort();
                        sr.BaseStream.Read(buff, 0, 2);
                        y = buff.GetUshort();
                        sr.BaseStream.Read(buff, 0, 2);
                        z = buff.GetUshort();
                        sr.BaseStream.Read(buff, 0, 2);
                        w = buff.GetUshort();

                        // skip skinning data
                        if (meshInfo.vertexType == SMeshInfos.EMeshVertexType.EMVT_SKINNED)
                        {
                            sr.BaseStream.Seek(meshInfo.numBonesPerVertex * 2, SeekOrigin.Current);
                        }

                        Vertex3D vertex3DCoord = new Vertex3D();
                        vertex3DCoord.Position = new Vector3Df(x, y, z) / 65535f * bufferInfos.quantizationScale + bufferInfos.quantizationOffset;
                        vertex3DCoord.Color    = defaultColor;
                        vertex3DCoords.Add(vertex3DCoord);
                    }

                    sr.BaseStream.Seek(vBufferInf.uvOffset + firstVertexOffset * 4, SeekOrigin.Begin);

                    for (int i = 0; i < meshInfo.numVertices; i++)
                    {
                        ushort u, v;

                        byte[] buff = new byte[2];
                        sr.BaseStream.Read(buff, 0, 2);
                        u = buff.GetUshort();
                        sr.BaseStream.Read(buff, 0, 2);
                        v = buff.GetUshort();

                        float uf = u.ToFloat();
                        float vf = v.ToFloat();

                        Vertex3D vertex3DCoord = vertex3DCoords[i];
                        vertex3DCoord.TCoords = new Vector2Df(uf, vf);
                        vertex3DCoords[i]     = vertex3DCoord;
                    }

                    // Indices -------------------------------------------------------------------
                    sr.BaseStream.Seek(bufferInfos.indexBufferOffset + vBufferInf.indicesOffset + firstIndiceOffset * 2, SeekOrigin.Begin);

                    List <ushort> indices = new List <ushort>();
                    for (int i = 0; i < meshInfo.numIndices; i++)
                    {
                        indices.Add(0);
                    }

                    for (int i = 0; i < meshInfo.numIndices; i++)
                    {
                        ushort index;

                        byte[] buff = new byte[2];
                        sr.BaseStream.Read(buff, 0, 2);
                        index = buff.GetUshort();

                        // Indice need to be inversed for the normals
                        if (i % 3 == 0)
                        {
                            indices[i] = index;
                        }
                        else if (i % 3 == 1)
                        {
                            indices[i + 1] = index;
                        }
                        else if (i % 3 == 2)
                        {
                            indices[i - 1] = index;
                        }
                    }

                    MeshBuffer meshBuff = MeshBuffer.Create(VertexType.Standard, IndexType._16Bit);
                    staticMesh.AddMeshBuffer(meshBuff);
                    meshBuff.Append(vertex3DCoords, indices);
                    meshBuff.RecalculateBoundingBox();
                    meshBuff.Drop();
                }
            }

            // *************** READ RIG DATA ***************
            if (RigFile != null)
            {
                foreach (var chunk in RigFile.chunks)
                {
                    if (chunk.Type == "CSkeleton")
                    {
                        var bones = chunk.GetVariableByName("bones") as CArray;
                        meshSkeleton.nbBones = (uint)bones.array.Count;
                        foreach (CVector bone in bones)
                        {
                            var boneName = bone.variables.GetVariableByName("nameAsCName") as CName;
                            meshSkeleton.names.Add(boneName.Value);
                        }
                        var parentIndices = chunk.GetVariableByName("parentIndices") as CArray;
                        foreach (CVariable parentIndex in parentIndices)
                        {
                            meshSkeleton.parentIdx.Add(short.Parse(parentIndex.ToString()));
                        }

                        var unknownBytes = chunk.unknownBytes.Bytes;
                        int currPos      = 0;
                        for (uint i = 0; i < meshSkeleton.nbBones; i++)
                        {
                            Vector3Df position = new Vector3Df();
                            position.X = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            position.Y = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            position.Z = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            unknownBytes.SubArray(ref currPos, 4).GetFloat(); // the w component

                            Quaternion orientation = new Quaternion();
                            orientation.X = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            orientation.Y = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            orientation.Z = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            orientation.W = unknownBytes.SubArray(ref currPos, 4).GetFloat();

                            Vector3Df scale;
                            scale.X = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            scale.Y = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            scale.Z = unknownBytes.SubArray(ref currPos, 4).GetFloat();
                            unknownBytes.SubArray(ref currPos, 4).GetFloat(); // the w component

                            Matrix posMat = new Matrix();
                            posMat.Translation = position;

                            Matrix    rotMat = new Matrix();
                            Vector3Df euler  = orientation.ToEuler();
                            // chechNaNErrors(euler);

                            rotMat.SetRotationRadians(euler);

                            Matrix scaleMat = new Matrix();
                            scaleMat.Scale = scale;

                            Matrix localTransform = posMat * rotMat * scaleMat;
                            orientation = orientation.MakeInverse();
                            meshSkeleton.matrix.Add(localTransform);
                            meshSkeleton.positions.Add(position);
                            meshSkeleton.rotations.Add(orientation);
                            meshSkeleton.scales.Add(scale);
                        }
                    }
                }
            }
        }