public static FlicChunk Load(ISerializer s, int width, int height)
{
if (s == null)
{
throw new ArgumentNullException(nameof(s));
}
var chunkSizeOffset = s.Offset;
uint chunkSize = s.UInt32(null, 0);
if ((chunkSize & 0x1) != 0)
{
chunkSize++;
}
FlicChunkType type = (FlicChunkType)s.UInt16(null, 0);
// Chunk
FlicChunk c = type switch
{
FlicChunkType.Palette8Bit => new Palette8Chunk(),
FlicChunkType.DeltaWordOrientedRle => new DeltaFlcChunk(),
FlicChunkType.FullByteOrientedRle => new FullByteOrientedRleChunk(width, height),
FlicChunkType.FullUncompressed => new CopyChunk(),
FlicChunkType.Frame => new FlicFrame(width, height),
// FlicChunkType.Palette6Bit => new Palette6Chunk(),
// FlicChunkType.DeltaByteOrientedRle => new DeltaFliChunk(),
// FlicChunkType.BlackFrameData => new BlackFrameChunk(),
// FlicChunkType.Thumbnail => new ThumbnailChunk(),
_ => new UnknownChunk(type)
};
// Fix export issue in Autodesk Animator
if (type == FlicChunkType.FullUncompressed &&
width * height + ChunkHeaderSize - 2 == chunkSize)
{
chunkSize += 2;
}
chunkSize = c.LoadChunk(chunkSize - ChunkHeaderSize, s) + ChunkHeaderSize;
var actualChunkSize = s.Offset - chunkSizeOffset;
if (actualChunkSize - chunkSize < 4) // pad
{
for (long i = chunkSize - actualChunkSize; i != 0; i--)
{
s.UInt8(null, 0);
}
actualChunkSize = s.Offset - chunkSizeOffset;
}
ApiUtil.Assert(actualChunkSize == chunkSize);
return(c);
}
}
public FlicFile(ISerializer s)
{
if (s == null)
{
throw new ArgumentNullException(nameof(s));
}
if (s.IsWriting())
{
throw new NotImplementedException("FLIC file writing not currently supported");
}
long startOffset = s.Offset;
Size = s.UInt32(null, 0); // Size of FLIC including this header
Type = (FlicHeaderType)s.UInt16(null, 0); // File type 0xAF11, 0xAF12, 0xAF30, 0xAF44, ...
Frames = s.UInt16(null, 0); // Number of frames in first segment
Width = s.UInt16(null, 0); // FLIC width in pixels
Height = s.UInt16(null, 0); // FLIC height in pixels
Depth = s.UInt16(null, 0); // Bits per pixel (usually 8)
Flags = s.UInt16(null, 0); // Set to zero or to three
Speed = s.UInt32(null, 0); // Delay between frames in jiffies (1/70 s)
Reserved1 = s.UInt16(null, 0); // Set to zero
Created = s.UInt32(null, 0); // Date of FLIC creation (FLC only)
Creator = s.UInt32(null, 0); // Serial number or compiler id (FLC only)
Updated = s.UInt32(null, 0); // Date of FLIC update (FLC only)
Updater = s.UInt32(null, 0); // Serial number (FLC only), see creator
AspectDx = s.UInt16(null, 0); // Width of square rectangle (FLC only)
AspectDy = s.UInt16(null, 0); // Height of square rectangle (FLC only)
ExtFlags = s.UInt16(null, 0); // EGI: flags for specific EGI extensions
KeyFrames = s.UInt16(null, 0); // EGI: key-image frequency
TotalFrames = s.UInt16(null, 0); // EGI: total number of frames (segments)
ReqMemory = s.UInt32(null, 0); // EGI: maximum chunk size (uncompressed)
MaxRegions = s.UInt16(null, 0); // EGI: max. number of regions in a CHK_REGION chunk
TranspNum = s.UInt16(null, 0); // EGI: number of transparent levels
Reserved2 = s.Bytes(null, null, 24); // Set to zero
OFrame1 = s.UInt32(null, 0); // Offset to frame 1 (FLC only)
OFrame2 = s.UInt32(null, 0); // Offset to frame 2 (FLC only)
Reserved3 = s.Bytes(null, null, 40); // Set to zero
var finalOffset = startOffset + Size;
while (s.Offset < finalOffset)
{
Chunks.Add(FlicChunk.Load(s, Width, Height));
}
}
