Alexandria.Engines.UltimaUnderworld.GraphicArchive.GraphicArchive C# (CSharp) Method

        internal GraphicArchive(int paletteIndex, AssetLoader loader, int[] sizes = null)
            : base(loader)
        {
            State state = State.Get(this);
            PaletteAsset palette = state.GetPalette(paletteIndex);

            using (BinaryReader reader = loader.Reader) {
                byte forceSizeCode = reader.ReadByte();
                int forceSize = 0;

                if (forceSizeCode == 2)
                    forceSize = reader.ReadByte();
                else if (forceSizeCode != 1)
                    throw new InvalidDataException();

                int count = reader.ReadUInt16();
                int[] offsets = reader.ReadArrayInt32(count + 1);

                for (int index = 0; index < count; index++) {
                    int length = offsets[index + 1] - offsets[index];

                    reader.BaseStream.Position = offsets[index];

                    int width = -1, height = -1;

                    if (sizes != null && index * 2 < sizes.Length) {
                        width = sizes[index * 2 + 0];
                        height = sizes[index * 2 + 1];
                    } else if (forceSize != 0)
                        width = height = forceSize;

                    new Graphic(this, loader, index, length, width, height, palette);
                }
            }
        }