public ShpTDSprite(Stream stream)
{
imageCount = stream.ReadUInt16();
stream.Position += 4;
var width = stream.ReadUInt16();
var height = stream.ReadUInt16();
Size = new Size(width, height);
stream.Position += 4;
var headers = new ImageHeader[imageCount];
for (var i = 0; i < headers.Length; i++)
{
headers[i] = new ImageHeader(stream, this);
}
// Skip eof and zero headers
stream.Position += 16;
var offsets = headers.ToDictionary(h => h.FileOffset, h => h);
for (var i = 0; i < imageCount; i++)
{
var h = headers[i];
if (h.Format == Format.XORPrev)
{
h.RefImage = headers[i - 1];
}
else if (h.Format == Format.XORLCW && !offsets.TryGetValue(h.RefOffset, out h.RefImage))
{
throw new InvalidDataException("Reference doesn't point to image data {0}->{1}".F(h.FileOffset, h.RefOffset));
}
}
shpBytesFileOffset = stream.Position;
shpBytes = stream.ReadBytes((int)(stream.Length - stream.Position));
foreach (var h in headers)
{
Decompress(h);
}
Frames = headers.Select(f => (ISpriteFrame) new TrimmedFrame(f))
.ToArray()
.AsReadOnly();
}
