コード例 #1
0
ファイル: Sprite.cs プロジェクト: sms-apps/Pixel-Engine
 /// <summary> Create a copy of a given <see cref="PalettedSprite"/> with the given <paramref name="palette"/> </summary>
 /// <param name="orig"> Orignal <see cref="PalettedSprite"/> to share palette indexes with </param>
 /// <param name="palette"> <see cref="Pixel"/>[] to use as this sprite's Palette. </param>
 public PalettedSprite(PalettedSprite orig, Pixel[] palette)
 {
     Width        = orig.Width;
     Height       = orig.Height;
     colors       = orig.colors;
     this.palette = palette;
 }
コード例 #2
0
        /// <summary> Attempts to load a <see cref="PalettedSprite"/> from a `.pspr` format file </summary>
        /// <param name="path"> Path to file to load </param>
        /// <returns> Loaded sprite or null if load was unsuccessful. </returns>
        public static PalettedSprite LoadFromPSPR(string path)
        {
            PalettedSprite spr = null;

            try {
                using (Stream stream = File.OpenRead(path)) {
                    using (BinaryReader reader = new BinaryReader(stream)) {
                        if (((char)reader.ReadByte()) != 'P')
                        {
                            throw new InvalidDataException("Data file does not have PSPR header.");
                        }
                        if (((char)reader.ReadByte()) != 'S')
                        {
                            throw new InvalidDataException("Data file does not have PSPR header.");
                        }
                        if (((char)reader.ReadByte()) != 'P')
                        {
                            throw new InvalidDataException("Data file does not have PSPR header.");
                        }
                        if (((char)reader.ReadByte()) != 'R')
                        {
                            throw new InvalidDataException("Data file does not have PSPR header.");
                        }


                        int     w    = reader.ReadInt32();
                        int     h    = reader.ReadInt32();
                        int     ncol = Mathf.Min(255, reader.ReadInt32());
                        Pixel[] placeholderPalette = new Pixel[ncol + 1];

                        spr = new PalettedSprite(w, h, placeholderPalette);

                        for (int y = 0; y < h; y++)
                        {
                            for (int x = 0; x < w; x++)
                            {
                                spr.SetIndex(x, y, reader.ReadByte());
                            }
                        }
                    }
                }
            } catch (Exception e) {
                Console.WriteLine($"Error Loading PSPR {e}");
                spr = null;
            }


            return(spr);
        }