Esempio n. 1
0
        private void SerializeStreamedData(FArchive Ar, bool bHasVertexColors)
        {
            var stripDataFlags = Ar.Read <FStripDataFlags>();

            Indices             = new FMultisizeIndexContainer(Ar);
            VertexBufferGPUSkin = new FSkeletalMeshVertexBuffer {
                bUseFullPrecisionUVs = true
            };

            var positionVertexBuffer   = new FPositionVertexBuffer(Ar);
            var staticMeshVertexBuffer = new FStaticMeshVertexBuffer(Ar);
            var skinWeightVertexBuffer = new FSkinWeightVertexBuffer(Ar, VertexBufferGPUSkin.bExtraBoneInfluences);

            if (bHasVertexColors)
            {
                var newColorVertexBuffer = new FColorVertexBuffer(Ar);
                ColorVertexBuffer = new FSkeletalMeshVertexColorBuffer(newColorVertexBuffer.Data);
            }

            if (FUE5ReleaseStreamObjectVersion.Get(Ar) < FUE5ReleaseStreamObjectVersion.Type.RemovingTessellation && !stripDataFlags.IsClassDataStripped((byte)EClassDataStripFlag.CDSF_AdjacencyData))
            {
                AdjacencyIndexBuffer = new FMultisizeIndexContainer(Ar);
            }

            if (HasClothData())
            {
                ClothVertexBuffer = new FSkeletalMeshVertexClothBuffer(Ar);
            }

            var skinWeightProfilesData = new FSkinWeightProfilesData(Ar);

            if (Ar.Game >= EGame.GAME_UE5_0) // Note: This was added in UE4.27, but we're only reading it on UE5 for compatibility with Fortnite
            {
                var rayTracingData = Ar.ReadArray <byte>();
            }

            NumVertices  = positionVertexBuffer.NumVertices;
            NumTexCoords = staticMeshVertexBuffer.NumTexCoords;

            VertexBufferGPUSkin.VertsFloat = new FGPUVertFloat[NumVertices];
            for (var i = 0; i < VertexBufferGPUSkin.VertsFloat.Length; i++)
            {
                VertexBufferGPUSkin.VertsFloat[i] = new FGPUVertFloat
                {
                    Pos    = positionVertexBuffer.Verts[i],
                    Infs   = skinWeightVertexBuffer.Weights[i],
                    Normal = staticMeshVertexBuffer.UV[i].Normal,
                    UV     = staticMeshVertexBuffer.UV[i].UV
                };
            }
        }
Esempio n. 2
0
        public FStaticLODModel(FAssetArchive Ar, bool bHasVertexColors) : this()
        {
            if (Ar.Game == EGame.GAME_SEAOFTHIEVES)
            {
                Ar.Position += 4;
            }
            var stripDataFlags = Ar.Read <FStripDataFlags>();
            var skelMeshVer    = FSkeletalMeshCustomVersion.Get(Ar);

            if (Ar.Game == EGame.GAME_SEAOFTHIEVES)
            {
                Ar.Position += 4;
            }

            Sections = Ar.ReadArray(Ar.Read <int>(), () => new FSkelMeshSection(Ar));

            if (skelMeshVer < FSkeletalMeshCustomVersion.Type.SplitModelAndRenderData)
            {
                Indices = new FMultisizeIndexContainer(Ar);
            }
            else
            {
                // UE4.19+ uses 32-bit index buffer (for editor data)
                Indices = new FMultisizeIndexContainer {
                    Indices32 = Ar.ReadBulkArray <uint>()
                };
            }

            ActiveBoneIndices = Ar.ReadArray <short>();

            if (skelMeshVer < FSkeletalMeshCustomVersion.Type.CombineSectionWithChunk)
            {
                Chunks = Ar.ReadArray(() => new FSkelMeshChunk(Ar));
            }

            Size = Ar.Read <int>();
            if (!stripDataFlags.IsDataStrippedForServer())
            {
                NumVertices = Ar.Read <int>();
            }

            RequiredBones = Ar.ReadArray <short>();
            if (!stripDataFlags.IsEditorDataStripped())
            {
                RawPointIndices = new FIntBulkData(Ar);
            }

            if (Ar.Game != EGame.GAME_SOD2 && Ar.Ver >= UE4Version.VER_UE4_ADD_SKELMESH_MESHTOIMPORTVERTEXMAP)
            {
                MeshToImportVertexMap = Ar.ReadArray <int>();
                MaxImportVertex       = Ar.Read <int>();
            }

            if (!stripDataFlags.IsDataStrippedForServer())
            {
                NumTexCoords = Ar.Read <int>();
                if (skelMeshVer < FSkeletalMeshCustomVersion.Type.SplitModelAndRenderData)
                {
                    VertexBufferGPUSkin = new FSkeletalMeshVertexBuffer(Ar);
                    if (skelMeshVer >= FSkeletalMeshCustomVersion.Type.UseSeparateSkinWeightBuffer)
                    {
                        var skinWeights = new FSkinWeightVertexBuffer(Ar, VertexBufferGPUSkin.bExtraBoneInfluences);
                        if (skinWeights.Weights.Length > 0)
                        {
                            // Copy data to VertexBufferGPUSkin
                            if (VertexBufferGPUSkin.bUseFullPrecisionUVs)
                            {
                                for (var i = 0; i < NumVertices; i++)
                                {
                                    VertexBufferGPUSkin.VertsFloat[i].Infs = skinWeights.Weights[i];
                                }
                            }
                            else
                            {
                                for (var i = 0; i < NumVertices; i++)
                                {
                                    VertexBufferGPUSkin.VertsHalf[i].Infs = skinWeights.Weights[i];
                                }
                            }
                        }
                    }

                    if (bHasVertexColors)
                    {
                        if (skelMeshVer < FSkeletalMeshCustomVersion.Type.UseSharedColorBufferFormat)
                        {
                            ColorVertexBuffer = new FSkeletalMeshVertexColorBuffer(Ar);
                        }
                        else
                        {
                            var newColorVertexBuffer = new FColorVertexBuffer(Ar);
                            ColorVertexBuffer = new FSkeletalMeshVertexColorBuffer(newColorVertexBuffer.Data);
                        }
                    }

                    if (Ar.Ver < UE4Version.VER_UE4_REMOVE_EXTRA_SKELMESH_VERTEX_INFLUENCES)
                    {
                        throw new ParserException("Unsupported: extra SkelMesh vertex influences (old mesh format)");
                    }

                    // https://github.com/gildor2/UEViewer/blob/master/Unreal/UnrealMesh/UnMesh4.cpp#L1415
                    if (Ar.Game == EGame.GAME_SOD2)
                    {
                        Ar.Position += 8;
                        return;
                    }

                    if (Ar.Game == EGame.GAME_SEAOFTHIEVES)
                    {
                        var arraySize = Ar.Read <int>();
                        Ar.Position += arraySize * 44;

                        for (var i = 0; i < 4; i++)
                        {
                            Ar.ReadArray <int>(); // 4 arrays worth
                        }

                        Ar.Position += 13;
                    }

                    if (!stripDataFlags.IsClassDataStripped((byte)EClassDataStripFlag.CDSF_AdjacencyData))
                    {
                        AdjacencyIndexBuffer = new FMultisizeIndexContainer(Ar);
                    }

                    if (Ar.Ver >= UE4Version.VER_UE4_APEX_CLOTH && HasClothData())
                    {
                        ClothVertexBuffer = new FSkeletalMeshVertexClothBuffer(Ar);
                    }
                }
            }

            if (Ar.Game == EGame.GAME_SEAOFTHIEVES)
            {
                var _ = new FMultisizeIndexContainer(Ar);
            }
        }
Esempio n. 3
0
        private void SerializeRenderItem_Legacy(FAssetArchive Ar, bool bHasVertexColors, byte numVertexColorChannels)
        {
            var stripDataFlags = Ar.Read <FStripDataFlags>();

            Sections = new FSkelMeshSection[Ar.Read <int>()];
            for (var i = 0; i < Sections.Length; i++)
            {
                Sections[i] = new FSkelMeshSection();
                Sections[i].SerializeRenderItem(Ar);
            }

            Indices             = new FMultisizeIndexContainer(Ar);
            VertexBufferGPUSkin = new FSkeletalMeshVertexBuffer {
                bUseFullPrecisionUVs = true
            };

            ActiveBoneIndices = Ar.ReadArray <short>();
            RequiredBones     = Ar.ReadArray <short>();

            if (!stripDataFlags.IsDataStrippedForServer() && !stripDataFlags.IsClassDataStripped((byte)EClassDataStripFlag.CDSF_MinLodData))
            {
                var positionVertexBuffer   = new FPositionVertexBuffer(Ar);
                var staticMeshVertexBuffer = new FStaticMeshVertexBuffer(Ar);
                var skinWeightVertexBuffer = new FSkinWeightVertexBuffer(Ar, VertexBufferGPUSkin.bExtraBoneInfluences);

                if (!bHasVertexColors && Ar.Game == EGame.GAME_BORDERLANDS3)
                {
                    for (var i = 0; i < numVertexColorChannels; i++)
                    {
                        var newColorVertexBuffer = new FColorVertexBuffer(Ar);
                        ColorVertexBuffer = new FSkeletalMeshVertexColorBuffer(newColorVertexBuffer.Data);
                    }
                }
                else if (bHasVertexColors)
                {
                    var newColorVertexBuffer = new FColorVertexBuffer(Ar);
                    ColorVertexBuffer = new FSkeletalMeshVertexColorBuffer(newColorVertexBuffer.Data);
                }

                if (!stripDataFlags.IsClassDataStripped((byte)EClassDataStripFlag.CDSF_AdjacencyData))
                {
                    AdjacencyIndexBuffer = new FMultisizeIndexContainer(Ar);
                }

                if (HasClothData())
                {
                    ClothVertexBuffer = new FSkeletalMeshVertexClothBuffer(Ar);
                }

                NumVertices  = positionVertexBuffer.NumVertices;
                NumTexCoords = staticMeshVertexBuffer.NumTexCoords;

                VertexBufferGPUSkin.VertsFloat = new FGPUVertFloat[NumVertices];
                for (var i = 0; i < VertexBufferGPUSkin.VertsFloat.Length; i++)
                {
                    VertexBufferGPUSkin.VertsFloat[i] = new FGPUVertFloat
                    {
                        Pos    = positionVertexBuffer.Verts[i],
                        Infs   = skinWeightVertexBuffer.Weights[i],
                        Normal = staticMeshVertexBuffer.UV[i].Normal,
                        UV     = staticMeshVertexBuffer.UV[i].UV
                    };
                }
            }

            if (Ar.Game >= EGame.GAME_UE4_23)
            {
                var skinWeightProfilesData = new FSkinWeightProfilesData(Ar);
            }
        }