public GoldSrcSpriteFrame(GoldSrcSprite sprite, int width, int height)
{
this.sprite = sprite;
this.Data = new byte[width * height];
this.Width = width;
this.Height = height;
}
/// <summary>
/// Loads a sprite from a stream
/// </summary>
/// <param name="stream">Sprite stream</param>
/// <returns>Sprite</returns>
public static GoldSrcSprite FromStream(Stream stream)
{
var sprite = new GoldSrcSprite();
using (BinaryReader reader = new BinaryReader(stream))
{
var fileID = reader.ReadInt32();
if (fileID != 0x50534449)
{
throw new InvalidDataException("Not a valid goldsrc sprite");
}
var version = reader.ReadInt32();
if (version != 2)
{
throw new InvalidDataException("Only version 2 sprites are supported");
}
sprite.Type = (GoldSrcSpriteType)reader.ReadInt32();
sprite.TextureFormat = (GoldSrcSpriteTextureFormat)reader.ReadInt32();
sprite.BoundingRadius = reader.ReadSingle();
var maxFrameWidth = reader.ReadInt32();
var maxFrameHeight = reader.ReadInt32();
var numberOfFrames = reader.ReadInt32();
sprite.BeamLength = reader.ReadSingle();
sprite.Synchronization = (GoldSrcSpriteSynchronization)reader.ReadInt32();
// Color Palette
var sizeOfPalette = reader.ReadInt16();
sprite.Palette = new Color[sizeOfPalette];
for (var i = 0; i < sizeOfPalette; i++)
{
sprite.Palette[i] = Color.FromArgb(reader.ReadByte(), reader.ReadByte(), reader.ReadByte());
}
// Frames
for (var i = 0; i < numberOfFrames; i++)
{
var group = (int)reader.ReadInt32();
var originX = reader.ReadInt32();
var originY = reader.ReadInt32();
var width = (int)reader.ReadInt32();
var height = (int)reader.ReadInt32();
var data = reader.ReadBytes(width * height);
var frame = new GoldSrcSpriteFrame(sprite, width, height)
{
Group = group,
OriginX = originX,
OriginY = originY
};
// Copy frame data
data.CopyTo(frame.Data, 0);
sprite.Frames.Add(frame);
}
}
return(sprite);
}