private Attachment ReadAttachment(Stream input, SkeletonData skeletonData, Skin skin, int slotIndex, String attachmentName, bool nonessential)
        {
            float scale = Scale;

            String name = ReadString(input);

            if (name == null)
            {
                name = attachmentName;
            }

            AttachmentType type = (AttachmentType)input.ReadByte();

            switch (type)
            {
            case AttachmentType.Region: {
                String path     = ReadString(input);
                float  rotation = ReadFloat(input);
                float  x        = ReadFloat(input);
                float  y        = ReadFloat(input);
                float  scaleX   = ReadFloat(input);
                float  scaleY   = ReadFloat(input);
                float  width    = ReadFloat(input);
                float  height   = ReadFloat(input);
                int    color    = ReadInt(input);

                if (path == null)
                {
                    path = name;
                }
                RegionAttachment region = attachmentLoader.NewRegionAttachment(skin, name, path);
                if (region == null)
                {
                    return(null);
                }
                region.Path     = path;
                region.x        = x * scale;
                region.y        = y * scale;
                region.scaleX   = scaleX;
                region.scaleY   = scaleY;
                region.rotation = rotation;
                region.width    = width * scale;
                region.height   = height * scale;
                region.r        = ((color & 0xff000000) >> 24) / 255f;
                region.g        = ((color & 0x00ff0000) >> 16) / 255f;
                region.b        = ((color & 0x0000ff00) >> 8) / 255f;
                region.a        = ((color & 0x000000ff)) / 255f;
                region.UpdateOffset();
                return(region);
            }

            case AttachmentType.Boundingbox: {
                int      vertexCount = ReadVarint(input, true);
                Vertices vertices    = ReadVertices(input, vertexCount);
                if (nonessential)
                {
                    ReadInt(input);                                       //int color = nonessential ? ReadInt(input) : 0; // Avoid unused local warning.
                }
                BoundingBoxAttachment box = attachmentLoader.NewBoundingBoxAttachment(skin, name);
                if (box == null)
                {
                    return(null);
                }
                box.worldVerticesLength = vertexCount << 1;
                box.vertices            = vertices.vertices;
                box.bones = vertices.bones;
                return(box);
            }

            case AttachmentType.Mesh: {
                String   path = ReadString(input);
                int      color = ReadInt(input);
                int      vertexCount = ReadVarint(input, true);
                float[]  uvs = ReadFloatArray(input, vertexCount << 1, 1);
                int[]    triangles = ReadShortArray(input);
                Vertices vertices = ReadVertices(input, vertexCount);
                int      hullLength = ReadVarint(input, true);
                int[]    edges = null;
                float    width = 0, height = 0;
                if (nonessential)
                {
                    edges  = ReadShortArray(input);
                    width  = ReadFloat(input);
                    height = ReadFloat(input);
                }

                if (path == null)
                {
                    path = name;
                }
                MeshAttachment mesh = attachmentLoader.NewMeshAttachment(skin, name, path);
                if (mesh == null)
                {
                    return(null);
                }
                mesh.Path                = path;
                mesh.r                   = ((color & 0xff000000) >> 24) / 255f;
                mesh.g                   = ((color & 0x00ff0000) >> 16) / 255f;
                mesh.b                   = ((color & 0x0000ff00) >> 8) / 255f;
                mesh.a                   = ((color & 0x000000ff)) / 255f;
                mesh.bones               = vertices.bones;
                mesh.vertices            = vertices.vertices;
                mesh.WorldVerticesLength = vertexCount << 1;
                mesh.triangles           = triangles;
                mesh.regionUVs           = uvs;
                mesh.UpdateUVs();
                mesh.HullLength = hullLength << 1;
                if (nonessential)
                {
                    mesh.Edges  = edges;
                    mesh.Width  = width * scale;
                    mesh.Height = height * scale;
                }
                return(mesh);
            }

            case AttachmentType.Linkedmesh: {
                String path = ReadString(input);
                int    color = ReadInt(input);
                String skinName = ReadString(input);
                String parent = ReadString(input);
                bool   inheritDeform = ReadBoolean(input);
                float  width = 0, height = 0;
                if (nonessential)
                {
                    width  = ReadFloat(input);
                    height = ReadFloat(input);
                }

                if (path == null)
                {
                    path = name;
                }
                MeshAttachment mesh = attachmentLoader.NewMeshAttachment(skin, name, path);
                if (mesh == null)
                {
                    return(null);
                }
                mesh.Path          = path;
                mesh.r             = ((color & 0xff000000) >> 24) / 255f;
                mesh.g             = ((color & 0x00ff0000) >> 16) / 255f;
                mesh.b             = ((color & 0x0000ff00) >> 8) / 255f;
                mesh.a             = ((color & 0x000000ff)) / 255f;
                mesh.inheritDeform = inheritDeform;
                if (nonessential)
                {
                    mesh.Width  = width * scale;
                    mesh.Height = height * scale;
                }
                linkedMeshes.Add(new SkeletonJson.LinkedMesh(mesh, skinName, slotIndex, parent));
                return(mesh);
            }

            case AttachmentType.Path: {
                bool     closed        = ReadBoolean(input);
                bool     constantSpeed = ReadBoolean(input);
                int      vertexCount   = ReadVarint(input, true);
                Vertices vertices      = ReadVertices(input, vertexCount);
                float[]  lengths       = new float[vertexCount / 3];
                for (int i = 0, n = lengths.Length; i < n; i++)
                {
                    lengths[i] = ReadFloat(input) * scale;
                }
                if (nonessential)
                {
                    ReadInt(input);                                       //int color = nonessential ? ReadInt(input) : 0;
                }
                PathAttachment path = attachmentLoader.NewPathAttachment(skin, name);
                if (path == null)
                {
                    return(null);
                }
                path.closed              = closed;
                path.constantSpeed       = constantSpeed;
                path.worldVerticesLength = vertexCount << 1;
                path.vertices            = vertices.vertices;
                path.bones   = vertices.bones;
                path.lengths = lengths;
                return(path);
            }

            case AttachmentType.Point: {
                float rotation = ReadFloat(input);
                float x        = ReadFloat(input);
                float y        = ReadFloat(input);
                if (nonessential)
                {
                    ReadInt(input);                                       //int color = nonessential ? ReadInt(input) : 0;
                }
                PointAttachment point = attachmentLoader.NewPointAttachment(skin, name);
                if (point == null)
                {
                    return(null);
                }
                point.x        = x * scale;
                point.y        = y * scale;
                point.rotation = rotation;
                //if (nonessential) point.color = color;
                return(point);
            }

            case AttachmentType.Clipping: {
                int      endSlotIndex = ReadVarint(input, true);
                int      vertexCount  = ReadVarint(input, true);
                Vertices vertices     = ReadVertices(input, vertexCount);
                if (nonessential)
                {
                    ReadInt(input);
                }

                ClippingAttachment clip = attachmentLoader.NewClippingAttachment(skin, name);
                if (clip == null)
                {
                    return(null);
                }
                clip.EndSlot             = skeletonData.slots.Items[endSlotIndex];
                clip.worldVerticesLength = vertexCount << 1;
                clip.vertices            = vertices.vertices;
                clip.bones = vertices.bones;
                return(clip);
            }
            }
            return(null);
        }