public void WriteInfo(StringBuilder builder)
        {
            builder.AppendLine($"- Name:       {Name}");
            builder.AppendLine($"- Type:       {Type}");
            builder.AppendLine($"- TypeId:     {TypeId}");
            builder.AppendLine($"- ClassName:  {ClassName}");
            builder.AppendLine($"- ClassIndex: {ClassIndex}");

            builder.AppendLine($"| InstanceId |           Value           |");
            builder.AppendLine($"|-----------:|---------------------------|");

            INST inst = File.Classes[ClassIndex];

            foreach (var instId in inst.InstanceIds)
            {
                Instance instance = File.Instances[instId];
                Property prop     = instance?.GetProperty(Name);

                object value = prop?.Value;
                string str   = value?.ToInvariantString() ?? "null";

                if (value is byte[] buffer)
                {
                    str = Convert.ToBase64String(buffer);
                }

                if (str.Length > 25)
                {
                    str = str.Substring(0, 22) + "...";
                }

                str = str.Replace('\r', ' ');
                str = str.Replace('\n', ' ');

                string row = string.Format("| {0, 10} | {1, -25} |", instId, str);
                builder.AppendLine(row);
            }
        }
        public void Save(BinaryRobloxFileWriter writer)
        {
            BinaryRobloxFile file = writer.File;

            File = file;

            INST inst  = file.Classes[ClassIndex];
            var  props = new List <Property>();

            foreach (int instId in inst.InstanceIds)
            {
                Instance instance  = file.Instances[instId];
                var      instProps = instance.Properties;

                if (!instProps.TryGetValue(Name, out Property prop))
                {
                    throw new Exception($"Property {Name} must be defined in {instance.GetFullName()}!");
                }
                else if (prop.Type != Type)
                {
                    throw new Exception($"Property {Name} is not using the correct type in {instance.GetFullName()}!");
                }

                props.Add(prop);
            }

            writer.Write(ClassIndex);
            writer.WriteString(Name);
            writer.Write(TypeId);

            switch (Type)
            {
            case PropertyType.String:
                props.ForEach(prop =>
                {
                    byte[] buffer = prop.HasRawBuffer ? prop.RawBuffer : null;

                    if (buffer == null)
                    {
                        string value = prop.CastValue <string>();
                        buffer       = Encoding.UTF8.GetBytes(value);
                    }

                    writer.Write(buffer.Length);
                    writer.Write(buffer);
                });

                break;

            case PropertyType.Bool:
            {
                props.ForEach(prop =>
                    {
                        bool value = prop.CastValue <bool>();
                        writer.Write(value);
                    });

                break;
            }

            case PropertyType.Int:
            {
                var ints = props
                           .Select(prop => prop.CastValue <int>())
                           .ToList();

                writer.WriteInts(ints);
                break;
            }

            case PropertyType.Float:
            {
                var floats = props
                             .Select(prop => prop.CastValue <float>())
                             .ToList();

                writer.WriteFloats(floats);
                break;
            }

            case PropertyType.Double:
            {
                props.ForEach(prop =>
                    {
                        double value = prop.CastValue <double>();
                        writer.Write(BinaryRobloxFileWriter.GetBytes(value));
                    });

                break;
            }

            case PropertyType.UDim:
            {
                var UDim_Scales  = new List <float>();
                var UDim_Offsets = new List <int>();

                props.ForEach(prop =>
                    {
                        UDim value = prop.CastValue <UDim>();
                        UDim_Scales.Add(value.Scale);
                        UDim_Offsets.Add(value.Offset);
                    });

                writer.WriteFloats(UDim_Scales);
                writer.WriteInts(UDim_Offsets);

                break;
            }

            case PropertyType.UDim2:
            {
                var UDim2_Scales_X = new List <float>();
                var UDim2_Scales_Y = new List <float>();

                var UDim2_Offsets_X = new List <int>();
                var UDim2_Offsets_Y = new List <int>();

                props.ForEach(prop =>
                    {
                        UDim2 value = prop.CastValue <UDim2>();

                        UDim2_Scales_X.Add(value.X.Scale);
                        UDim2_Scales_Y.Add(value.Y.Scale);

                        UDim2_Offsets_X.Add(value.X.Offset);
                        UDim2_Offsets_Y.Add(value.Y.Offset);
                    });

                writer.WriteFloats(UDim2_Scales_X);
                writer.WriteFloats(UDim2_Scales_Y);

                writer.WriteInts(UDim2_Offsets_X);
                writer.WriteInts(UDim2_Offsets_Y);

                break;
            }

            case PropertyType.Ray:
            {
                props.ForEach(prop =>
                    {
                        Ray ray = prop.CastValue <Ray>();

                        Vector3 pos = ray.Origin;
                        writer.Write(pos.X);
                        writer.Write(pos.Y);
                        writer.Write(pos.Z);

                        Vector3 dir = ray.Direction;
                        writer.Write(dir.X);
                        writer.Write(dir.Y);
                        writer.Write(dir.Z);
                    });

                break;
            }

            case PropertyType.Faces:
            case PropertyType.Axes:
            {
                props.ForEach(prop =>
                    {
                        byte value = prop.CastValue <byte>();
                        writer.Write(value);
                    });

                break;
            }

            case PropertyType.BrickColor:
            {
                var brickColorIds = props
                                    .Select(prop => prop.CastValue <BrickColor>())
                                    .Select(value => value.Number)
                                    .ToList();

                writer.WriteInts(brickColorIds);
                break;
            }

            case PropertyType.Color3:
            {
                var Color3_R = new List <float>();
                var Color3_G = new List <float>();
                var Color3_B = new List <float>();

                props.ForEach(prop =>
                    {
                        Color3 value = prop.CastValue <Color3>();
                        Color3_R.Add(value.R);
                        Color3_G.Add(value.G);
                        Color3_B.Add(value.B);
                    });

                writer.WriteFloats(Color3_R);
                writer.WriteFloats(Color3_G);
                writer.WriteFloats(Color3_B);

                break;
            }

            case PropertyType.Vector2:
            {
                var Vector2_X = new List <float>();
                var Vector2_Y = new List <float>();

                props.ForEach(prop =>
                    {
                        Vector2 value = prop.CastValue <Vector2>();
                        Vector2_X.Add(value.X);
                        Vector2_Y.Add(value.Y);
                    });

                writer.WriteFloats(Vector2_X);
                writer.WriteFloats(Vector2_Y);

                break;
            }

            case PropertyType.Vector3:
            {
                var Vector3_X = new List <float>();
                var Vector3_Y = new List <float>();
                var Vector3_Z = new List <float>();

                props.ForEach(prop =>
                    {
                        Vector3 value = prop.CastValue <Vector3>();
                        Vector3_X.Add(value.X);
                        Vector3_Y.Add(value.Y);
                        Vector3_Z.Add(value.Z);
                    });

                writer.WriteFloats(Vector3_X);
                writer.WriteFloats(Vector3_Y);
                writer.WriteFloats(Vector3_Z);

                break;
            }

            case PropertyType.CFrame:
            case PropertyType.Quaternion:
            case PropertyType.OptionalCFrame:
            {
                var CFrame_X = new List <float>();
                var CFrame_Y = new List <float>();
                var CFrame_Z = new List <float>();

                if (Type == PropertyType.OptionalCFrame)
                {
                    writer.Write((byte)PropertyType.CFrame);
                }

                props.ForEach(prop =>
                    {
                        CFrame value = null;

                        if (prop.Value is Quaternion q)
                        {
                            value = q.ToCFrame();
                        }
                        else
                        {
                            value = prop.CastValue <CFrame>();
                        }

                        if (value == null)
                        {
                            value = new CFrame();
                        }

                        Vector3 pos = value.Position;
                        CFrame_X.Add(pos.X);
                        CFrame_Y.Add(pos.Y);
                        CFrame_Z.Add(pos.Z);

                        int orientId = value.GetOrientId();
                        writer.Write((byte)(orientId + 1));

                        if (orientId == -1)
                        {
                            if (Type == PropertyType.Quaternion)
                            {
                                Quaternion quat = new Quaternion(value);
                                writer.Write(quat.X);
                                writer.Write(quat.Y);
                                writer.Write(quat.Z);
                                writer.Write(quat.W);
                            }
                            else
                            {
                                float[] components = value.GetComponents();

                                for (int i = 3; i < 12; i++)
                                {
                                    float component = components[i];
                                    writer.Write(component);
                                }
                            }
                        }
                    });

                writer.WriteFloats(CFrame_X);
                writer.WriteFloats(CFrame_Y);
                writer.WriteFloats(CFrame_Z);

                if (Type == PropertyType.OptionalCFrame)
                {
                    writer.Write((byte)PropertyType.Bool);

                    props.ForEach(prop =>
                        {
                            if (prop.Value is null)
                            {
                                writer.Write(false);
                                return;
                            }

                            if (prop.Value is Optional <CFrame> optional)
                            {
                                writer.Write(optional.HasValue);
                                return;
                            }

                            var cf = prop.Value as CFrame;
                            writer.Write(cf != null);
                        });
                }

                break;
            }

            case PropertyType.Enum:
            {
                var enums = new List <uint>();

                props.ForEach(prop =>
                    {
                        if (prop.Value is uint raw)
                        {
                            enums.Add(raw);
                            return;
                        }

                        int signed = (int)prop.Value;
                        uint value = (uint)signed;

                        enums.Add(value);
                    });

                writer.WriteInterleaved(enums);
                break;
            }

            case PropertyType.Ref:
            {
                var InstanceIds = new List <int>();

                props.ForEach(prop =>
                    {
                        int referent = -1;

                        if (prop.Value != null)
                        {
                            Instance value = prop.CastValue <Instance>();

                            if (value.IsDescendantOf(File))
                            {
                                string refValue = value.Referent;
                                int.TryParse(refValue, out referent);
                            }
                        }

                        InstanceIds.Add(referent);
                    });

                writer.WriteInstanceIds(InstanceIds);
                break;
            }

            case PropertyType.Vector3int16:
            {
                props.ForEach(prop =>
                    {
                        Vector3int16 value = prop.CastValue <Vector3int16>();
                        writer.Write(value.X);
                        writer.Write(value.Y);
                        writer.Write(value.Z);
                    });

                break;
            }

            case PropertyType.NumberSequence:
            {
                props.ForEach(prop =>
                    {
                        NumberSequence value = prop.CastValue <NumberSequence>();

                        var keyPoints = value.Keypoints;
                        writer.Write(keyPoints.Length);

                        foreach (var keyPoint in keyPoints)
                        {
                            writer.Write(keyPoint.Time);
                            writer.Write(keyPoint.Value);
                            writer.Write(keyPoint.Envelope);
                        }
                    });

                break;
            }

            case PropertyType.ColorSequence:
            {
                props.ForEach(prop =>
                    {
                        ColorSequence value = prop.CastValue <ColorSequence>();

                        var keyPoints = value.Keypoints;
                        writer.Write(keyPoints.Length);

                        foreach (var keyPoint in keyPoints)
                        {
                            Color3 color = keyPoint.Value;
                            writer.Write(keyPoint.Time);

                            writer.Write(color.R);
                            writer.Write(color.G);
                            writer.Write(color.B);

                            writer.Write(keyPoint.Envelope);
                        }
                    });

                break;
            }

            case PropertyType.NumberRange:
            {
                props.ForEach(prop =>
                    {
                        NumberRange value = prop.CastValue <NumberRange>();
                        writer.Write(value.Min);
                        writer.Write(value.Max);
                    });

                break;
            }

            case PropertyType.Rect:
            {
                var Rect_X0 = new List <float>();
                var Rect_Y0 = new List <float>();

                var Rect_X1 = new List <float>();
                var Rect_Y1 = new List <float>();

                props.ForEach(prop =>
                    {
                        Rect value = prop.CastValue <Rect>();

                        Vector2 min = value.Min;
                        Rect_X0.Add(min.X);
                        Rect_Y0.Add(min.Y);

                        Vector2 max = value.Max;
                        Rect_X1.Add(max.X);
                        Rect_Y1.Add(max.Y);
                    });

                writer.WriteFloats(Rect_X0);
                writer.WriteFloats(Rect_Y0);

                writer.WriteFloats(Rect_X1);
                writer.WriteFloats(Rect_Y1);

                break;
            }

            case PropertyType.PhysicalProperties:
            {
                props.ForEach(prop =>
                    {
                        bool custom = (prop.Value != null);
                        writer.Write(custom);

                        if (custom)
                        {
                            PhysicalProperties value = prop.CastValue <PhysicalProperties>();

                            writer.Write(value.Density);
                            writer.Write(value.Friction);
                            writer.Write(value.Elasticity);

                            writer.Write(value.FrictionWeight);
                            writer.Write(value.ElasticityWeight);
                        }
                    });

                break;
            }

            case PropertyType.Color3uint8:
            {
                var Color3uint8_R = new List <byte>();
                var Color3uint8_G = new List <byte>();
                var Color3uint8_B = new List <byte>();

                props.ForEach(prop =>
                    {
                        Color3uint8 value = prop.CastValue <Color3uint8>();
                        Color3uint8_R.Add(value.R);
                        Color3uint8_G.Add(value.G);
                        Color3uint8_B.Add(value.B);
                    });

                byte[] rBuffer = Color3uint8_R.ToArray();
                writer.Write(rBuffer);

                byte[] gBuffer = Color3uint8_G.ToArray();
                writer.Write(gBuffer);

                byte[] bBuffer = Color3uint8_B.ToArray();
                writer.Write(bBuffer);

                break;
            }

            case PropertyType.Int64:
            {
                var longs = new List <long>();

                props.ForEach(prop =>
                    {
                        long value = prop.CastValue <long>();
                        longs.Add(value);
                    });

                writer.WriteInterleaved(longs, value =>
                    {
                        // Move the sign bit to the front.
                        return((value << 1) ^ (value >> 63));
                    });

                break;
            }

            case PropertyType.SharedString:
            {
                var  sharedKeys = new List <uint>();
                SSTR sstr       = file.SSTR;

                if (sstr == null)
                {
                    sstr      = new SSTR();
                    file.SSTR = sstr;
                }

                props.ForEach(prop =>
                    {
                        var shared = prop.CastValue <SharedString>();

                        if (shared == null)
                        {
                            byte[] empty = Array.Empty <byte>();
                            shared       = SharedString.FromBuffer(empty);
                        }

                        string key = shared.Key;

                        if (!sstr.Lookup.ContainsKey(key))
                        {
                            uint id = (uint)sstr.Lookup.Count;
                            sstr.Strings.Add(id, shared);
                            sstr.Lookup.Add(key, id);
                        }

                        uint hashId = sstr.Lookup[key];
                        sharedKeys.Add(hashId);
                    });

                writer.WriteInterleaved(sharedKeys);
                break;
            }

            case PropertyType.ProtectedString:
            {
                props.ForEach(prop =>
                    {
                        var protect   = prop.CastValue <ProtectedString>();
                        byte[] buffer = protect.RawBuffer;

                        writer.Write(buffer.Length);
                        writer.Write(buffer);
                    });

                break;
            }

            case PropertyType.UniqueId:
            {
                props.ForEach(prop =>
                    {
                        var guid      = prop.CastValue <Guid>();
                        byte[] buffer = guid.ToByteArray();
                        writer.Write(buffer);
                    });

                break;
            }

            default:
            {
                RobloxFile.LogError($"Unhandled property type: {Type} in {this}!");
                break;
            }
            }
        }
        internal static Dictionary <string, PROP> CollectProperties(BinaryRobloxFileWriter writer, INST inst)
        {
            BinaryRobloxFile file = writer.File;
            var propMap           = new Dictionary <string, PROP>();

            foreach (int instId in inst.InstanceIds)
            {
                Instance instance = file.Instances[instId];
                var      props    = instance.RefreshProperties();

                foreach (string propName in props.Keys)
                {
                    if (propName == "Archivable")
                    {
                        continue;
                    }

                    if (propName.Contains("__"))
                    {
                        continue;
                    }

                    if (!propMap.ContainsKey(propName))
                    {
                        Property prop = props[propName];

                        PROP propChunk = new PROP()
                        {
                            Name = prop.Name,
                            Type = prop.Type,

                            File       = writer.File,
                            ClassIndex = inst.ClassIndex
                        };

                        propMap.Add(propName, propChunk);
                    }
                }
            }

            return(propMap);
        }
Exemple #4
0
        public void Load(BinaryRobloxFileReader reader)
        {
            BinaryRobloxFile file = reader.File;

            File = file;

            ClassIndex = reader.ReadInt32();
            Name       = reader.ReadString();

            byte propType = reader.ReadByte();

            Type = (PropertyType)propType;

            INST inst = file.Classes[ClassIndex];

            ClassName = inst.ClassName;

            var ids       = inst.InstanceIds;
            int instCount = inst.NumInstances;
            var props     = new Property[inst.NumInstances];

            for (int i = 0; i < instCount; i++)
            {
                int      id       = ids[i];
                Instance instance = file.Instances[id];

                if (instance == null)
                {
                    if (RobloxFile.LogErrors)
                    {
                        Console.Error.WriteLine($"PROP: No instance @{id} for property {ClassName}.{Name}");
                    }

                    continue;
                }

                Property prop = new Property(instance, this);
                props[i] = prop;

                instance.AddProperty(ref prop);
            }

            // Setup some short-hand functions for actions used during the read procedure.
            var readInts   = new Func <int[]>(() => reader.ReadInts(instCount));
            var readFloats = new Func <float[]>(() => reader.ReadFloats(instCount));

            var readProperties = new Action <Func <int, object> >(read =>
            {
                for (int i = 0; i < instCount; i++)
                {
                    var prop = props[i];

                    if (prop == null)
                    {
                        continue;
                    }

                    prop.Value = read(i);
                }
            });

            switch (Type)
            {
            case PropertyType.String:
                readProperties(i =>
                {
                    string value = reader.ReadString();

                    // Leave an access point for the original byte sequence, in case this is a BinaryString.
                    // This will allow the developer to read the sequence without any mangling from C# strings.
                    byte[] buffer      = reader.GetLastStringBuffer();
                    props[i].RawBuffer = buffer;

                    // Check if this is going to be casted as a BinaryString.
                    // BinaryStrings should use a type of byte[] instead.

                    switch (Name)
                    {
                    case "Tags":
                    case "AttributesSerialize":
                        return(buffer);

                    default:
                        {
                            Property prop     = props[i];
                            Instance instance = prop.Instance;

                            Type instType = instance.GetType();
                            var member    = ImplicitMember.Get(instType, Name);

                            if (member != null)
                            {
                                object result   = value;
                                Type memberType = member.MemberType;

                                if (memberType == typeof(byte[]))
                                {
                                    result = buffer;
                                }

                                return(result);
                            }

                            return(value);
                        }
                    }
                });

                break;

            case PropertyType.Bool:
                readProperties(i => reader.ReadBoolean());
                break;

            case PropertyType.Int:
                int[] ints = readInts();
                readProperties(i => ints[i]);
                break;

            case PropertyType.Float:
                float[] floats = readFloats();
                readProperties(i => floats[i]);
                break;

            case PropertyType.Double:
                readProperties(i => reader.ReadDouble());
                break;

            case PropertyType.UDim:
                float[] UDim_Scales  = readFloats();
                int[]   UDim_Offsets = readInts();

                readProperties(i =>
                {
                    float scale = UDim_Scales[i];
                    int offset  = UDim_Offsets[i];
                    return(new UDim(scale, offset));
                });

                break;

            case PropertyType.UDim2:
                float[] UDim2_Scales_X = readFloats(),
                UDim2_Scales_Y = readFloats();

                int[] UDim2_Offsets_X = readInts(),
                UDim2_Offsets_Y = readInts();

                readProperties(i =>
                {
                    float scaleX = UDim2_Scales_X[i],
                    scaleY       = UDim2_Scales_Y[i];

                    int offsetX = UDim2_Offsets_X[i],
                    offsetY     = UDim2_Offsets_Y[i];

                    return(new UDim2(scaleX, offsetX, scaleY, offsetY));
                });

                break;

            case PropertyType.Ray:
                readProperties(i =>
                {
                    float posX = reader.ReadFloat(),
                    posY       = reader.ReadFloat(),
                    posZ       = reader.ReadFloat();

                    float dirX = reader.ReadFloat(),
                    dirY       = reader.ReadFloat(),
                    dirZ       = reader.ReadFloat();

                    Vector3 origin    = new Vector3(posX, posY, posZ);
                    Vector3 direction = new Vector3(dirX, dirY, dirZ);

                    return(new Ray(origin, direction));
                });

                break;

            case PropertyType.Faces:
                readProperties(i =>
                {
                    byte faces = reader.ReadByte();
                    return((Faces)faces);
                });

                break;

            case PropertyType.Axes:
                readProperties(i =>
                {
                    byte axes = reader.ReadByte();
                    return((Axes)axes);
                });

                break;

            case PropertyType.BrickColor:
                int[] BrickColorIds = readInts();

                readProperties(i =>
                {
                    int number = BrickColorIds[i];
                    return(BrickColor.FromNumber(number));
                });

                break;

            case PropertyType.Color3:
                float[] Color3_R = readFloats(),
                Color3_G = readFloats(),
                Color3_B = readFloats();

                readProperties(i =>
                {
                    float r = Color3_R[i],
                    g       = Color3_G[i],
                    b       = Color3_B[i];

                    return(new Color3(r, g, b));
                });

                break;

            case PropertyType.Vector2:
                float[] Vector2_X = readFloats(),
                Vector2_Y = readFloats();

                readProperties(i =>
                {
                    float x = Vector2_X[i],
                    y       = Vector2_Y[i];

                    return(new Vector2(x, y));
                });

                break;

            case PropertyType.Vector3:
                float[] Vector3_X = readFloats(),
                Vector3_Y = readFloats(),
                Vector3_Z = readFloats();

                readProperties(i =>
                {
                    float x = Vector3_X[i],
                    y       = Vector3_Y[i],
                    z       = Vector3_Z[i];

                    return(new Vector3(x, y, z));
                });

                break;

            case PropertyType.CFrame:
            case PropertyType.Quaternion:
                // Temporarily load the rotation matrices into their properties.
                // We'll update them to CFrames once we iterate over the position data.
                float[][] matrices = new float[instCount][];

                for (int i = 0; i < instCount; i++)
                {
                    byte rawOrientId = reader.ReadByte();

                    if (rawOrientId > 0)
                    {
                        // Make sure this value is in a safe range.
                        int orientId = (rawOrientId - 1) % 36;

                        NormalId xColumn = (NormalId)(orientId / 6);
                        Vector3  R0      = Vector3.FromNormalId(xColumn);

                        NormalId yColumn = (NormalId)(orientId % 6);
                        Vector3  R1      = Vector3.FromNormalId(yColumn);

                        // Compute R2 using the cross product of R0 and R1.
                        Vector3 R2 = R0.Cross(R1);

                        // Generate the rotation matrix.
                        matrices[i] = new float[9]
                        {
                            R0.X, R0.Y, R0.Z,
                            R1.X, R1.Y, R1.Z,
                            R2.X, R2.Y, R2.Z,
                        };
                    }
                    else if (Type == PropertyType.Quaternion)
                    {
                        float qx = reader.ReadFloat(), qy = reader.ReadFloat(),
                              qz = reader.ReadFloat(), qw = reader.ReadFloat();

                        Quaternion quaternion = new Quaternion(qx, qy, qz, qw);
                        var        rotation   = quaternion.ToCFrame();
                        matrices[i] = rotation.GetComponents();
                    }
                    else
                    {
                        float[] matrix = new float[9];

                        for (int m = 0; m < 9; m++)
                        {
                            float value = reader.ReadFloat();
                            matrix[m] = value;
                        }

                        matrices[i] = matrix;
                    }
                }

                float[] CFrame_X = readFloats(),
                CFrame_Y = readFloats(),
                CFrame_Z = readFloats();

                readProperties(i =>
                {
                    float[] matrix = matrices[i];

                    float x = CFrame_X[i],
                    y       = CFrame_Y[i],
                    z       = CFrame_Z[i];

                    float[] components;

                    if (matrix.Length == 12)
                    {
                        matrix[0] = x;
                        matrix[1] = y;
                        matrix[2] = z;

                        components = matrix;
                    }
                    else
                    {
                        float[] position = new float[3] {
                            x, y, z
                        };
                        components = position.Concat(matrix).ToArray();
                    }

                    return(new CFrame(components));
                });

                break;

            case PropertyType.Enum:
                uint[] enums = reader.ReadUInts(instCount);

                readProperties(i =>
                {
                    Property prop     = props[i];
                    Instance instance = prop.Instance;

                    Type instType = instance.GetType();
                    uint value    = enums[i];

                    try
                    {
                        var info = ImplicitMember.Get(instType, Name);

                        if (info == null)
                        {
                            if (RobloxFile.LogErrors)
                            {
                                Console.Error.WriteLine($"Enum cast failed for {inst.ClassName}.{Name} using value {value}!");
                            }

                            return(value);
                        }

                        return(Enum.Parse(info.MemberType, value.ToInvariantString()));
                    }
                    catch
                    {
                        if (RobloxFile.LogErrors)
                        {
                            Console.Error.WriteLine($"Enum cast failed for {inst.ClassName}.{Name} using value {value}!");
                        }

                        return(value);
                    }
                });

                break;

            case PropertyType.Ref:
                var instIds = reader.ReadInstanceIds(instCount);

                readProperties(i =>
                {
                    int instId = instIds[i];
                    return(instId >= 0 ? file.Instances[instId] : null);
                });

                break;

            case PropertyType.Vector3int16:
                readProperties(i =>
                {
                    short x = reader.ReadInt16(),
                    y       = reader.ReadInt16(),
                    z       = reader.ReadInt16();

                    return(new Vector3int16(x, y, z));
                });

                break;

            case PropertyType.NumberSequence:
                readProperties(i =>
                {
                    int numKeys   = reader.ReadInt32();
                    var keypoints = new NumberSequenceKeypoint[numKeys];

                    for (int key = 0; key < numKeys; key++)
                    {
                        float Time = reader.ReadFloat(),
                        Value      = reader.ReadFloat(),
                        Envelope   = reader.ReadFloat();

                        keypoints[key] = new NumberSequenceKeypoint(Time, Value, Envelope);
                    }

                    return(new NumberSequence(keypoints));
                });

                break;

            case PropertyType.ColorSequence:
                readProperties(i =>
                {
                    int numKeys   = reader.ReadInt32();
                    var keypoints = new ColorSequenceKeypoint[numKeys];

                    for (int key = 0; key < numKeys; key++)
                    {
                        float Time = reader.ReadFloat(),
                        R          = reader.ReadFloat(),
                        G          = reader.ReadFloat(),
                        B          = reader.ReadFloat();

                        Color3 Value = new Color3(R, G, B);
                        int Envelope = reader.ReadInt32();

                        keypoints[key] = new ColorSequenceKeypoint(Time, Value, Envelope);
                    }

                    return(new ColorSequence(keypoints));
                });

                break;

            case PropertyType.NumberRange:
                readProperties(i =>
                {
                    float min = reader.ReadFloat();
                    float max = reader.ReadFloat();

                    return(new NumberRange(min, max));
                });

                break;

            case PropertyType.Rect:
                float[] Rect_X0 = readFloats(), Rect_Y0 = readFloats(),
                Rect_X1 = readFloats(), Rect_Y1 = readFloats();

                readProperties(i =>
                {
                    float x0 = Rect_X0[i], y0 = Rect_Y0[i],
                    x1       = Rect_X1[i], y1 = Rect_Y1[i];

                    return(new Rect(x0, y0, x1, y1));
                });

                break;

            case PropertyType.PhysicalProperties:
                readProperties(i =>
                {
                    bool custom = reader.ReadBoolean();

                    if (custom)
                    {
                        float Density    = reader.ReadFloat(),
                        Friction         = reader.ReadFloat(),
                        Elasticity       = reader.ReadFloat(),
                        FrictionWeight   = reader.ReadFloat(),
                        ElasticityWeight = reader.ReadFloat();

                        return(new PhysicalProperties
                               (
                                   Density,
                                   Friction,
                                   Elasticity,
                                   FrictionWeight,
                                   ElasticityWeight
                               ));
                    }

                    return(null);
                });

                break;

            case PropertyType.Color3uint8:
                byte[] Color3uint8_R = reader.ReadBytes(instCount),
                Color3uint8_G = reader.ReadBytes(instCount),
                Color3uint8_B = reader.ReadBytes(instCount);

                readProperties(i =>
                {
                    byte r = Color3uint8_R[i],
                    g      = Color3uint8_G[i],
                    b      = Color3uint8_B[i];

                    Color3uint8 result = Color3.FromRGB(r, g, b);
                    return(result);
                });

                break;

            case PropertyType.Int64:
                long[] Int64s = reader.ReadInterleaved(instCount, (buffer, start) =>
                {
                    long result = BitConverter.ToInt64(buffer, start);
                    return((long)((ulong)result >> 1) ^ (-(result & 1)));
                });

                readProperties(i => Int64s[i]);
                break;

            case PropertyType.SharedString:
                uint[] SharedKeys = reader.ReadUInts(instCount);

                readProperties(i =>
                {
                    uint key = SharedKeys[i];
                    return(file.SharedStrings[key]);
                });

                break;

            case PropertyType.ProtectedString:
                readProperties(i =>
                {
                    int length    = reader.ReadInt32();
                    byte[] buffer = reader.ReadBytes(length);

                    return(new ProtectedString(buffer));
                });

                break;

            default:
                if (RobloxFile.LogErrors)
                {
                    Console.Error.WriteLine("Unhandled property type: {0}!", Type);
                }

                break;
                //
            }

            reader.Dispose();
        }