public static AseChunk ReadChunk(AseFrame frame, ChunkType type, int size, AseReader reader)
{
var pos = reader.Position;
AseChunk chunk = null;
switch (type)
{
// Chunk types we care about
case ChunkType.Palette:
chunk = new AsePaletteChunk(frame, reader);
break;
case ChunkType.Layer:
chunk = new AseLayerChunk(frame, reader);
break;
case ChunkType.Cel:
chunk = new AseCelChunk(frame, reader, size);
break;
case ChunkType.ColorProfile:
chunk = new AseColorProfileChunk(frame, reader);
break;
case ChunkType.FrameTags:
chunk = new AseFrameTagsChunk(frame, reader);
break;
case ChunkType.Slice:
chunk = new AseSliceChunk(frame, reader);
break;
case ChunkType.UserData:
chunk = new AseUserDataChunk(frame, reader);
break;
// Chunk types we don't care about
case ChunkType.OldPalette:
chunk = new AseDummyChunk(frame, reader, type, size);
break;
// Chunk types we haven't handled yet. Indicates a bug that should be fixed.
default:
chunk = new AseDummyChunk(frame, reader, type, size);
Debug.LogErrorFormat("Unhandled chunk type: {0}", ((ushort)type).ToString("X4"));
break;
}
// Check that we read the right amount of bytes
Assert.IsTrue((reader.Position - pos) == size, string.Format("Chunk {0} read {1} bytes but we were expected {2} bytes read", type, reader.Position - pos, size));
reader.LastChunk = chunk;
return(chunk);
}
public void VisitSliceChunk(AseSliceChunk slice)
{
if (string.Equals("unity:pivot", slice.Name, StringComparison.OrdinalIgnoreCase))
{
// Assumes the first slice entry under pivot is the pivot for our sprite
// The center of the slice is our pivot point. This allows for half-pixel pivots.
var entry = slice.Entries[0];
float pw = entry.Width;
float ph = entry.Height;
float px = entry.OriginX + pw * 0.5f;
float py = entry.OriginY + ph * 0.5f;
m_Pivot = new Vector2(px / m_Texture2D.width, 1.0f - py / m_Texture2D.height);
}
}