public override bool TryParseSprite(Stream s, string filename, out ISpriteFrame[] frames, out TypeDictionary metadata)
{
metadata = null;
if (!IsDdf(s))
{
frames = null;
return(false);
}
var aniStream = s as DdfPackageLoader.AniSegmentStream;
aniStream.Position = aniStream.AniPosition;
frames = new ISpriteFrame[aniStream.ReadUInt32()];
for (var i = 0; i < frames.Length; i++)
{
var metaName = aniStream.ReadASCII(32).Replace("\0", string.Empty);
aniStream.Position += 4 * 2;
var numScripts = aniStream.ReadUInt32();
aniStream.Position += 32 * numScripts;
var returnPosition = aniStream.Position;
long metaPosition;
if (aniStream.MetaIndex.TryGetValue(metaName, out metaPosition))
{
var metaStream = new SegmentStream(aniStream, 0, aniStream.Length);
metaStream.Position = metaPosition;
var ddfName = metaStream.ReadASCII(32).Replace("\0", string.Empty);
metaStream.Position += 4 * 3;
var offset = new float2(metaStream.ReadInt32(), metaStream.ReadInt32());
long ddfPosition;
if (aniStream.DdfIndex.TryGetValue(ddfName, out ddfPosition))
{
var ddfStream = aniStream.DdfStream;
ddfStream.Position = ddfPosition;
frames[i] = new DdfSpriteFrame(ddfStream, offset);
}
}
aniStream.Position = returnPosition;
}
return(true);
}
public QuarterDdfTile(DdfSpriteFrame fullTile, int tileX, int tileY)
{
Size = new Size(fullTile.Size.Width / 2, fullTile.Size.Height / 2);
FrameSize = new Size(fullTile.Size.Width / 2, fullTile.Size.Height / 2);
Offset = new float2(fullTile.Offset.X / 2, fullTile.Offset.Y / 2);
Data = new byte[Size.Width * Size.Height];
for (var y = 0; y < Size.Height; y++)
{
for (var x = 0; x < Size.Width; x++)
{
Data[y * Size.Width + x] = fullTile.Data[(y + tileY * Size.Height) * fullTile.Size.Width + x + tileX * Size.Width];
}
}
}
public virtual bool TryParseSprite(Stream s, string filename, out ISpriteFrame[] frames, out TypeDictionary metadata)
{
metadata = null;
if (!IsDdf(s))
{
frames = null;
return(false);
}
var ddfStream = s as DdfPackageLoader.DdfSegmentStream;
ddfStream.Position = ddfStream.DdfPosition;
if (ddfStream.IsTile)
{
var fullTile = new DdfSpriteFrame(ddfStream, new float2(0, 0));
frames = new ISpriteFrame[]
{
new QuarterDdfTile(fullTile, 0, 0),
new QuarterDdfTile(fullTile, 1, 0),
new QuarterDdfTile(fullTile, 0, 1),
new QuarterDdfTile(fullTile, 1, 1)
};
}
else
{
frames = new ISpriteFrame[]
{
new DdfSpriteFrame(ddfStream, new float2(0, 0))
}
};
return(true);
}
}