internal Picture(AssetLoader loader)
: base(loader) {
BinaryReader reader = loader.Reader;
ushort check = reader.ReadUInt16();
Codex<PictureInstruction> instructions = new Codex<PictureInstruction>();
Codex<PictureCel> cels = new Codex<PictureCel>();
if (check == 0x0E) { // VGA picture
int celCount = reader.ReadUInt16();
Unknowns.ReadInt16s(reader, 1); // 0x2A
int paletteOffset = reader.ReadInt32();
Dimensions = new Vector2i(reader.ReadUInt16(), reader.ReadUInt16());
reader.BaseStream.Position = paletteOffset;
Palette = new Palette(loader);
AddChild(Palette);
for (int celIndex = 0; celIndex < celCount; celIndex++) {
PictureCel cel = new PictureCel(this, celIndex, loader);
cels.Add(cel);
AddChild(cel);
instructions.Add(new PictureInstruction.DrawCel(cel));
}
} else {
Dimensions = new Vector2i(320, 190);
reader.BaseStream.Seek(-2, SeekOrigin.Current);
byte[] data = reader.ReadBytes(checked((int)reader.BaseStream.Length));
Stream stream = new MemoryStream(data, false);
PicturePatternFlags patternFlags = PicturePatternFlags.None;
byte patternNumber = 0;
while (true) {
PictureInstruction instruction = PictureInstruction.ReadInstruction(stream, ref patternFlags, ref patternNumber);
instructions.Add(instruction);
if (instruction.IsQuit)
break;
}
}
Cels = cels;
Instructions = instructions;
}
/// <summary>
/// Initialise the canvas.
/// </summary>
/// <param name="resolution"></param>
/// <param name="palette"></param>
public PictureCanvas(Vector2i resolution, Palette palette = null)
{
Palette = palette;
Resolution = resolution;
}
