Esempio n. 1
0
            private void ConvertMeshRenderers(List <MeshRenderer> meshList, bool skins, bool morphs)
            {
                MeshList     = new List <ImportedMesh>(meshList.Count);
                MaterialList = new List <ImportedMaterial>(meshList.Count);
                TextureList  = new List <ImportedTexture>(meshList.Count);
                MorphList    = new List <ImportedMorph>(meshList.Count);
                foreach (MeshRenderer meshR in meshList)
                {
                    Mesh mesh = Operations.GetMesh(meshR);
                    if (mesh == null)
                    {
                        Report.ReportLog("skipping " + meshR.m_GameObject.instance.m_Name + " - no mesh");
                        continue;
                    }

                    ImportedMesh iMesh         = new ImportedMesh();
                    Transform    meshTransform = meshR.m_GameObject.instance.FindLinkedComponent(UnityClassID.Transform);
                    iMesh.Name        = meshTransform.GetTransformPath();
                    iMesh.SubmeshList = new List <ImportedSubmesh>(mesh.m_SubMeshes.Count);
                    using (BinaryReader vertReader = new BinaryReader(new MemoryStream(mesh.m_VertexData.m_DataSize)),
                           indexReader = new BinaryReader(new MemoryStream(mesh.m_IndexBuffer)))
                    {
                        for (int i = 0; i < mesh.m_SubMeshes.Count; i++)
                        {
                            SubMesh         submesh  = mesh.m_SubMeshes[i];
                            ImportedSubmesh iSubmesh = new ImportedSubmesh();
                            iSubmesh.Index   = i;
                            iSubmesh.Visible = true;

                            Material mat = meshR.m_Materials[i].instance;
                            ConvertMaterial(mat);
                            iSubmesh.Material = mat.m_Name;

                            iSubmesh.VertexList = new List <ImportedVertex>((int)submesh.vertexCount);
                            for (int str = 0; str < mesh.m_VertexData.m_Streams.Count; str++)
                            {
                                StreamInfo sInfo = mesh.m_VertexData.m_Streams[str];
                                if (sInfo.channelMask == 0)
                                {
                                    continue;
                                }

                                for (int j = 0; j < mesh.m_SubMeshes[i].vertexCount; j++)
                                {
                                    ImportedVertex iVertex;
                                    if (iSubmesh.VertexList.Count < mesh.m_SubMeshes[i].vertexCount)
                                    {
                                        iVertex = new ImportedVertex();
                                        iSubmesh.VertexList.Add(iVertex);
                                    }
                                    else
                                    {
                                        iVertex = iSubmesh.VertexList[j];
                                    }

                                    for (int chn = 0; chn < mesh.m_VertexData.m_Channels.Count; chn++)
                                    {
                                        ChannelInfo cInfo = mesh.m_VertexData.m_Channels[chn];
                                        if ((sInfo.channelMask & (1 << chn)) == 0)
                                        {
                                            continue;
                                        }

                                        vertReader.BaseStream.Position = sInfo.offset + (submesh.firstVertex + j) * sInfo.stride + cInfo.offset;
                                        switch (chn)
                                        {
                                        case 0:
                                            iVertex.Position = new SlimDX.Vector3(-vertReader.ReadSingle(), vertReader.ReadSingle(), vertReader.ReadSingle());
                                            break;

                                        case 1:
                                            iVertex.Normal = new SlimDX.Vector3(-vertReader.ReadSingle(), vertReader.ReadSingle(), vertReader.ReadSingle());
                                            break;

                                        case 3:
                                            iVertex.UV = new float[2] {
                                                vertReader.ReadSingle(), vertReader.ReadSingle()
                                            };
                                            break;

                                        case 5:
                                            iVertex.Tangent = new SlimDX.Vector4(-vertReader.ReadSingle(), vertReader.ReadSingle(), vertReader.ReadSingle(), -vertReader.ReadSingle());
                                            break;
                                        }
                                    }

                                    if (skins && iVertex.BoneIndices == null && mesh.m_Skin.Count > 0)
                                    {
                                        BoneInfluence inf = mesh.m_Skin[(int)submesh.firstVertex + j];
                                        iVertex.BoneIndices = new byte[inf.boneIndex.Length];
                                        for (int k = 0; k < iVertex.BoneIndices.Length; k++)
                                        {
                                            iVertex.BoneIndices[k] = (byte)inf.boneIndex[k];
                                        }
                                        iVertex.Weights = (float[])inf.weight.Clone();
                                    }
                                }
                            }

                            int numFaces = (int)(submesh.indexCount / 3);
                            iSubmesh.FaceList = new List <ImportedFace>(numFaces);
                            indexReader.BaseStream.Position = submesh.firstByte;
                            for (int j = 0; j < numFaces; j++)
                            {
                                ImportedFace face = new ImportedFace();
                                face.VertexIndices    = new int[3];
                                face.VertexIndices[0] = indexReader.ReadUInt16() - (int)submesh.firstVertex;
                                face.VertexIndices[2] = indexReader.ReadUInt16() - (int)submesh.firstVertex;
                                face.VertexIndices[1] = indexReader.ReadUInt16() - (int)submesh.firstVertex;
                                iSubmesh.FaceList.Add(face);
                            }

                            iMesh.SubmeshList.Add(iSubmesh);
                        }
                    }

                    if (skins && meshR is SkinnedMeshRenderer)
                    {
                        SkinnedMeshRenderer sMesh = (SkinnedMeshRenderer)meshR;
                        if (sMesh.m_Bones.Count >= 256)
                        {
                            throw new Exception("Too many bones (" + mesh.m_BindPose.Count + ")");
                        }
                        if (sMesh.m_Bones.Count != mesh.m_BindPose.Count || sMesh.m_Bones.Count != mesh.m_BoneNameHashes.Count)
                        {
                            throw new Exception("Mismatching number of bones bind pose=" + mesh.m_BindPose.Count + " hashes=" + mesh.m_BoneNameHashes.Count + " numBones=" + sMesh.m_Bones.Count);
                        }
                        iMesh.BoneList = new List <ImportedBone>(sMesh.m_Bones.Count);
                        for (int i = 0; i < sMesh.m_Bones.Count; i++)
                        {
                            ImportedBone bone     = new ImportedBone();
                            uint         boneHash = mesh.m_BoneNameHashes[i];
                            bone.Name = avatar.FindBoneName(boneHash);

                            Matrix     m = Matrix.Transpose(mesh.m_BindPose[i]);
                            Vector3    s, t;
                            Quaternion q;
                            m.Decompose(out s, out q, out t);
                            t.X *= -1;
                            Vector3 euler = FbxUtility.QuaternionToEuler(q);
                            euler.Y    *= -1;
                            euler.Z    *= -1;
                            q           = FbxUtility.EulerToQuaternion(euler);
                            bone.Matrix = Matrix.Scaling(s) * Matrix.RotationQuaternion(q) * Matrix.Translation(t);

                            iMesh.BoneList.Add(bone);
                        }
                    }

                    if (morphs && mesh.m_Shapes.shapes.Count > 0)
                    {
                        ImportedMorph morph = new ImportedMorph();
                        morph.Name         = iMesh.Name;
                        morph.ClipName     = Operations.BlendShapeName(mesh);
                        morph.KeyframeList = new List <ImportedMorphKeyframe>(mesh.m_Shapes.shapes.Count);
                        for (int i = 0; i < mesh.m_Shapes.shapes.Count; i++)
                        {
                            ImportedMorphKeyframe keyframe = new ImportedMorphKeyframe();
                            keyframe.Name                 = Operations.BlendShapeKeyframeName(mesh, i);
                            keyframe.VertexList           = new List <ImportedVertex>((int)mesh.m_Shapes.shapes[i].vertexCount);
                            keyframe.MorphedVertexIndices = new List <ushort>((int)mesh.m_Shapes.shapes[i].vertexCount);
                            int lastVertIndex = (int)(mesh.m_Shapes.shapes[i].firstVertex + mesh.m_Shapes.shapes[i].vertexCount);
                            for (int j = (int)mesh.m_Shapes.shapes[i].firstVertex; j < lastVertIndex; j++)
                            {
                                BlendShapeVertex morphVert = mesh.m_Shapes.vertices[j];
                                ImportedVertex   vert      = GetSourceVertex(iMesh.SubmeshList, (int)morphVert.index);
                                ImportedVertex   destVert  = new ImportedVertex();
                                Vector3          morphPos  = morphVert.vertex;
                                morphPos.X       *= -1;
                                destVert.Position = vert.Position + morphPos;
                                Vector3 morphNormal = morphVert.normal;
                                morphNormal.X  *= -1;
                                destVert.Normal = morphNormal;
                                Vector4 morphTangent = new Vector4(morphVert.tangent, 0);
                                morphTangent.X  *= -1;
                                destVert.Tangent = morphTangent;
                                keyframe.VertexList.Add(destVert);
                                keyframe.MorphedVertexIndices.Add((ushort)morphVert.index);
                            }
                            morph.KeyframeList.Add(keyframe);
                        }
                        MorphList.Add(morph);
                    }

                    MeshList.Add(iMesh);
                }
            }