public FileVersionChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
var unknown = input.ReadBytes(3); // likely varints?
var unknown2 = input.ReadBytes(2);
Version = input.ReadString(); //TOOD: => DirectorVersion
}
public ScriptContextChunk(ShockwaveReader input, ChunkHeader header)
: base(header)
{
Remnants.Enqueue(input.ReadBigEndian <int>());
Remnants.Enqueue(input.ReadBigEndian <int>());
int entryCount = input.ReadBigEndian <int>();
input.ReadBigEndian <int>();
short entryOffset = input.ReadBigEndian <short>(); //TODO: Research
input.ReadBigEndian <short>();
Remnants.Enqueue(input.ReadBigEndian <int>()); //0
Type = input.ReadBigEndian <int>(); //TODO: Enum
Remnants.Enqueue(input.ReadBigEndian <int>());
NameListChunkId = input.ReadBigEndian <int>();
Remnants.Enqueue(input.ReadBigEndian <short>()); //validCount
Remnants.Enqueue(input.ReadBytes(2)); //flags, short?
Remnants.Enqueue(input.ReadBigEndian <short>()); //freePtr
input.Position = Header.Offset + entryOffset;
Sections = new List <ScriptContextSection>(entryCount);
for (int i = 0; i < entryCount; i++)
{
Sections.Add(new ScriptContextSection(input));
}
}
public BitmapCastProperties(ref ShockwaveReader input)
{
int v27 = input.ReadUInt16();
TotalWidth = v27 & 0x7FFF; //TODO: what does that last bit even do.. some sneaky flag?
//DIRAPI checks if TotalWidth & 0x8000 == 0
Rectangle = input.ReadRect();
AlphaThreshold = input.ReadByte();
OLE = input.ReadBytes(7).ToArray();
RegistrationPoint = input.ReadPoint();
Flags = (BitmapFlags)input.ReadByte();
if (!input.IsDataAvailable)
{
return;
}
BitDepth = input.ReadByte();
if (!input.IsDataAvailable)
{
return;
}
Palette = input.ReadInt32();
//TODO: PaletteRef or something
if (!IsSystemPalette)
{
Palette &= 0x7FFF;
}
}
public XtraListChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
Remnants.Enqueue(input.ReadInt32());
int xtraCount = input.ReadInt32();
for (int i = 0; i < xtraCount; i++)
{
long xtraEndOffset = input.Position + input.ReadInt32() + 4;
int unk2 = input.ReadInt32();
int unk3 = input.ReadInt32(); //Flags or just booleans?
Guid guid = new Guid(input.ReadBytes(16));
int[] offsets = new int[input.ReadInt16() + 1];
for (int j = 0; j < offsets.Length; j++)
{
offsets[j] = input.ReadInt32();
}
do
{
byte unk4 = input.ReadByte(); // 1 when kind = URL
byte kind = input.ReadByte(); // 2 -> Name | 0 -> URL, 5 -> File, x32 ?!? no idea
string str = input.ReadString();
input.ReadByte();
}while (input.Position != xtraEndOffset);
}
}
private void ReadInitialLoadSegment(ref ShockwaveReader input, AfterBurnerMapEntry[] entries, Dictionary <int, ChunkItem> chunks)
{
//First entry in the AfterBurnerMap must be ILS.
AfterBurnerMapEntry ilsEntry = entries[0];
input.Advance(ilsEntry.Offset);
//TODO: this shouldn't be here
ReadOnlySpan <byte> compressedData = input.ReadBytes(ilsEntry.Length);
Span <byte> decompressedData = ilsEntry.DecompressedLength <= 1024 ?
stackalloc byte[ilsEntry.DecompressedLength] : new byte[ilsEntry.DecompressedLength];
ZLib.Decompress(compressedData, decompressedData);
ShockwaveReader ilsReader = new ShockwaveReader(decompressedData, input.IsBigEndian);
while (ilsReader.IsDataAvailable)
{
int id = ilsReader.Read7BitEncodedInt();
AfterBurnerMapEntry entry = entries.FirstOrDefault(e => e.Id == id); //TODO: Chunk entries as dictionary
if (entry == null)
{
break;
}
chunks.Add(id, Read(ref ilsReader, entry.Header));
}
}
public void Populate(ref ShockwaveReader input, int scriptChunkOffset)
{
input.Advance(scriptChunkOffset + _codeOffset);
input.ReadBytes(Body.Code);
//input.PopulateVList(scriptChunkOffset + _argumentsOffset, Arguments, input.ReadInt16);
//input.PopulateVList(scriptChunkOffset + _localsOffset, Locals, input.ReadInt16);
//input.PopulateVList(scriptChunkOffset + _lineOffset, new List<byte>(), input.ReadByte);
}
public DeflateShockwaveReader CreateDeflateReader(ref ShockwaveReader input)
{
input.Advance(2); //Skip ZLib header
int dataLeft = Header.Length - input.Position;
byte[] compressedData = input.ReadBytes(dataLeft).ToArray();
return(new DeflateShockwaveReader(compressedData, input.IsBigEndian));
}
public static ChunkItem Read(ref ShockwaveReader input, ChunkHeader header)
{
ReadOnlySpan <byte> chunkSpan = input.ReadBytes(header.Length);
ShockwaveReader chunkInput = new ShockwaveReader(chunkSpan, input.IsBigEndian);
return(header.Kind switch
{
ChunkKind.RIFX => new FileMetadataChunk(ref chunkInput, header),
ChunkKind.Fver => new FileVersionChunk(ref chunkInput, header),
ChunkKind.Fcdr => new FileCompressionTypesChunk(ref chunkInput, header),
ChunkKind.ABMP => new AfterburnerMapChunk(ref chunkInput, header),
ChunkKind.FGEI => new FileGzipEmbeddedImageChunk(header),
ChunkKind.imap => new InitialMapChunk(ref chunkInput, header),
ChunkKind.mmap => new MemoryMapChunk(ref chunkInput, header),
ChunkKind.KEYPtr => new AssociationTableChunk(ref chunkInput, header),
ChunkKind.VWCF => new ConfigChunk(ref chunkInput, header),
ChunkKind.DRCF => new ConfigChunk(ref chunkInput, header),
//ChunkKind.VWSC => new ScoreChunk(ref chunkInput, header),
ChunkKind.VWLB => new ScoreLabelChunk(ref chunkInput, header),
ChunkKind.VWFI => new FileInfoChunk(ref chunkInput, header),
ChunkKind.Lnam => new LingoNameChunk(ref chunkInput, header),
ChunkKind.Lscr => new LingoScriptChunk(ref chunkInput, header),
ChunkKind.Lctx => new LingoContextChunk(ref chunkInput, header), //TODO: StackHeight and other differences.
ChunkKind.LctX => new LingoContextChunk(ref chunkInput, header),
ChunkKind.CASPtr => new CastAssociationTableChunk(ref chunkInput, header),
ChunkKind.CASt => new CastMemberPropertiesChunk(ref chunkInput, header),
ChunkKind.MCsL => new MovieCastListChunk(ref chunkInput, header),
//ChunkKind.Cinf => new CastInfoChunk(ref chunkInput, header),
ChunkKind.SCRF => new ScoreReferenceChunk(ref chunkInput, header),
ChunkKind.Sord => new SortOrderChunk(ref chunkInput, header),
ChunkKind.CLUT => new PaletteChunk(ref chunkInput, header),
ChunkKind.STXT => new StyledTextChunk(ref chunkInput, header),
//ChunkKind.cupt => new CuePointsChunk(ref chunkInput, header),
ChunkKind.snd => new SoundDataChunk(ref chunkInput, header),
//ChunkKind.XTRl => new XtraListChunk(ref chunkInput, header),
//ChunkKind.Fmap => new CastFontMapChunk(ref chunkInput, header),
//ChunkKind.PUBL => new PublishSettingsChunk(ref chunkInput, header),
ChunkKind.GRID => new GridChunk(ref chunkInput, header),
ChunkKind.FCOL => new FavoriteColorsChunk(ref chunkInput, header),
ChunkKind.FXmp => new FontMapChunk(ref chunkInput, header),
ChunkKind.BITD => new BitmapDataChunk(ref chunkInput, header),
_ => new UnknownChunk(ref chunkInput, header),
});
public LingoHandler(LingoScriptChunk script, ref ShockwaveReader input)
: this(script)
{
NameIndex = input.ReadInt16();
HandlerVectorPosition = input.ReadInt16();
Body = new LingoHandlerBody(this, ref input);
int codeOffset = input.ReadInt32();
Arguments.Capacity = input.ReadInt16();
int argumentsOffset = input.ReadInt32();
Locals.Capacity = input.ReadInt16();
int localsOffset = input.ReadInt32();
input.ReadInt16(); //offset(?)
input.ReadInt32(); //length(?)
input.ReadInt32(); //offset?
input.ReadInt16(); //length?
BytesPerLine.Capacity = input.ReadInt16();
int lineOffset = input.ReadInt32();
Body.StackHeight = input.ReadInt32();
int handlerEndOffset = input.Position;
input.Position = codeOffset;
input.ReadBytes(Body.Code);
input.Position = argumentsOffset;
for (int i = 0; i < Arguments.Capacity; i++)
{
Arguments.Add(input.ReadInt16());
}
input.Position = localsOffset;
for (int i = 0; i < Locals.Capacity; i++)
{
Locals.Add(input.ReadInt16());
}
input.Position = lineOffset;
for (int i = 0; i < BytesPerLine.Capacity; i++)
{
BytesPerLine.Add(input.ReadByte());
}
input.Position = handlerEndOffset;
}
public FileInfoChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
/*
* def parseSubstrings(self, data, hasHeader=True):
* if hasHeader:
* ci_offset = read32(data)
* unk2 = read32(data) # not int!
* unk3 = read32(data) # not int!
* entryType = read32(data)
* data.seek(ci_offset)
* else:
* unk2 = 0
* unk3 = 0
* entryType = 0
*
* count = read16(data) + 1
* entries = []
* for i in range(count):
* entries.append(read32(data))
* rawdata = data.read(entries[-1])
* assert entries[0] == 0
* assert entries[-1] == len(rawdata)
*
* strings = []
* for i in range(count-1):
* strings.append(rawdata[entries[i]:entries[i+1]])
*
* return (strings, unk2, unk3, entryType)
*
*
* */
BitField = input.ReadBytes(input.ReadInt32()).ToArray();
Offsets = new List <int>(input.ReadInt16());
input.ReadByte();
for (short i = 0; i < Offsets.Capacity; i++)
{
Offsets.Add(input.ReadInt32());
}
input.ReadByte();
CreatedBy = input.ReadString();
input.ReadByte();
ModifiedBy = input.ReadString();
input.ReadByte();
FilePath = input.ReadString();
}
public StyledTextChunk(ShockwaveReader input, ChunkHeader header)
: base(header)
{
input.ReadBigEndian <int>();
int textLength = input.ReadBigEndian <int>();
input.ReadBigEndian <int>();
Text = Encoding.UTF8.GetString(input.ReadBytes(textLength)); //TODO:
Formattings = new TextFormat[input.ReadBigEndian <short>()];
for (int i = 0; i < Formattings.Length; i++)
{
Formattings[i] = new TextFormat(input);
}
}
public Frame(ShockwaveReader input)
{
long endOffset = input.Position + input.ReadBigEndian <short>();
if ((endOffset - input.Position) < 0)
{
Debugger.Break(); //We at padding of the framez I guess
}
while ((endOffset - input.Position) > 0)
{
short channelLength = input.ReadBigEndian <short>();
ushort channelOffset = input.ReadBigEndian <ushort>();
byte[] data = input.ReadBytes(channelLength);
Debug.WriteLine($"Channel??: {channelOffset / 48} To: {channelOffset} | Len: {channelLength} | Left: {(endOffset - input.Position)}");
}
}
public void ReadValue(ShockwaveReader input, long dataOffset)
{
if (Kind != LiteralKind.Integer)
{
input.Position = dataOffset + Offset;
int length = input.ReadBigEndian <int>();
Value = Kind switch
{
LiteralKind.String => input.ReadString(length),
LiteralKind.Float => input.ReadBigEndian <long>(),
LiteralKind.CompiledJavascript => input.ReadBytes(length)
};
}
else
{
Value = Offset;
}
}
public void ReadValue(ref ShockwaveReader input, int dataOffset)
{
if (Kind != LiteralKind.Integer)
{
input.Position = dataOffset + Offset;
int length = input.ReadInt32();
Value = Kind switch
{
LiteralKind.String => input.ReadString(length),
LiteralKind.FloatingPoint => input.ReadDouble(),
LiteralKind.CompiledJavascript => input.ReadBytes(length).ToArray()
};
}
else
{
Value = Offset;
}
}
public Frame(ref ShockwaveReader input)
{
Debug.WriteLine("## Frame start");
long endOffset = input.Position + input.ReadInt16();
if ((endOffset - input.Position) < 0)
{
Debugger.Break(); //We at padding of the framez I guess
}
while ((endOffset - input.Position) > 0)
{
short channelLength = input.ReadInt16();
ushort channelOffset = input.ReadUInt16();
ReadOnlySpan <byte> data = input.ReadBytes(channelLength);
Debug.WriteLine($"Channel: {channelOffset / 48} To: {channelOffset} | Len: {channelLength} | Left: {(endOffset - input.Position)}");
}
}
public FileInfoChunk(ShockwaveReader input, ChunkHeader header)
: base(header)
{
int bitfieldLen = input.ReadBigEndian <int>();
BitField = input.ReadBytes(bitfieldLen);
Offsets = new List <int>(input.ReadBigEndian <short>());
input.ReadByte();
for (short i = 0; i < Offsets.Capacity; i++)
{
Offsets.Add(input.ReadBigEndian <int>());
}
input.ReadByte();
CreatedBy = input.ReadString();
input.ReadByte();
ModifiedBy = input.ReadString();
input.ReadByte();
FilePath = input.ReadString();
}
public static LingoLiteral Read(ref ShockwaveReader input, LiteralKind entryKind, int entryOffset)
{
if (entryKind != LiteralKind.Integer)
{
input.Position = entryOffset;
int length = input.ReadInt32();
object value = entryKind switch
{
LiteralKind.String => input.ReadString(length),
LiteralKind.FloatingPoint => input.ReadDouble(),
LiteralKind.CompiledJavascript => input.ReadBytes(length).ToArray(),
_ => throw new ArgumentException(nameof(Kind))
};
return(new LingoLiteral(entryKind, value));
}
else
{
return(new LingoLiteral(LiteralKind.Integer, entryOffset));
}
}
public void PopulateMedia(BitmapCastProperties properties)
{
BitDepth = properties.BitDepth;
Flags = properties.Flags;
TotalWidth = properties.TotalWidth;
Width = properties.Rectangle.Width;
Height = properties.Rectangle.Height;
if (Data.Length == TotalWidth * Height)
{
return;
}
//TODO: A closer look
Span <byte> outputSpan = TotalWidth * Height < 1024 ? stackalloc byte[TotalWidth * Height] : new byte[TotalWidth * Height];
var output = new ShockwaveWriter(outputSpan, false);
var input = new ShockwaveReader(Data.AsSpan());
while (input.IsDataAvailable)
{
byte marker = input.ReadByte();
if (marker >= 128)
{
Span <byte> buffer = stackalloc byte[257 - marker];
buffer.Fill(input.ReadByte());
output.Write(buffer);
}
else
{
output.Write(input.ReadBytes(marker + 1));
}
}
Data = outputSpan.ToArray();
}
public FileInfoChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
input.IsBigEndian = true;
//TODO: VList
BitField = input.ReadBytes(input.ReadInt32()).ToArray();
Offsets = new List <int>(input.ReadInt16());
input.ReadByte();
for (short i = 0; i < Offsets.Capacity; i++)
{
Offsets.Add(input.ReadInt32());
}
input.ReadByte();
CreatedBy = input.ReadString();
input.ReadByte();
ModifiedBy = input.ReadString();
input.ReadByte();
FilePath = input.ReadString();
}
public void PopulateMedia(BitmapCastProperties properties)
{
BitDepth = properties.BitDepth;
Flags = properties.Flags;
TotalWidth = properties.TotalWidth;
Width = properties.Rectangle.Width;
Height = properties.Rectangle.Height;
if (Data.Length == TotalWidth * Height)
{
return;
}
using var ms = new MemoryStream(TotalWidth * Height);
using var output = new ShockwaveWriter(ms);
using var input = new ShockwaveReader(Data);
while (input.IsDataAvailable)
{
byte marker = input.ReadByte();
if (marker >= 128)
{
Span <byte> buffer = stackalloc byte[257 - marker];
buffer.Fill(input.ReadByte());
output.Write(buffer);
}
else
{
output.Write(input.ReadBytes(++marker));
}
}
Data = ms.ToArray();
}
public BitmapCastProperties(ChunkHeader header, ShockwaveReader input)
{
bool IsDataAvailable()
=> input.Position < header.Offset + header.Length;
TotalWidth = input.ReadBigEndian <ushort>() & 0x7FFF;
Rectangle = input.ReadRect();
AlphaThreshold = input.ReadByte();
OLE = input.ReadBytes(7); //TODO:
short regX = input.ReadBigEndian <short>();
short regY = input.ReadBigEndian <short>();
RegistrationPoint = new Point(regX, regY);
Flags = (BitmapFlags)input.ReadByte();
if (!IsDataAvailable())
{
return;
}
BitDepth = input.ReadByte();
if (!IsDataAvailable())
{
return;
}
Palette = input.ReadBigEndian <int>();
//TODO: PaletteRef or something
if (!IsSystemPalette)
{
Palette &= 0x7FFF;
}
}
public UnknownCastProperties(ShockwaveReader input, int length)
{
Data = input.ReadBytes(length);
}
protected BinaryDataChunk(ShockwaveReader input, ChunkHeader header)
: base(header)
{
Data = input.ReadBytes((int)header.Length);
}
public UnknownCastProperties(ref ShockwaveReader input, int length)
{
Data = input.ReadBytes(length).ToArray();
}
protected BinaryDataChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
Data = input.ReadBytes(header.Length).ToArray();
}
public UnknownChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
Data = input.ReadBytes(header.Length).ToArray();
}
public UnknownChunk(ShockwaveReader input, ChunkHeader header)
: base(header)
{
Data = input.ReadBytes((int)header.Length);
}
public FileVersionChunk(ShockwaveReader input, ChunkHeader header)
: base(header)
{
What = input.ReadBytes(5);
Version = input.ReadString();
}
private void ReadProperty(ref ShockwaveReader input, int index, int length)
{
switch (index)
{
case 0:
ScriptText = input.ReadString(length);
break;
case 1:
Name = input.ReadString();
break;
case 2:
FilePath = input.ReadString(length);
break;
case 3:
FileName = input.ReadString(length);
break;
case 4:
FileType = input.ReadString(length);
break;
case 9:
XtraGUID = new Guid(input.ReadBytes(length));
//XtraGUID = input.Read<Guid>();
break;
case 10:
XtraName = input.ReadNullString();
break;
case 11: //TODO:
break;
case 12:
RegistrationPoints = new int[length / 4];
for (int i = 0; i < RegistrationPoints.Length; i++)
{
RegistrationPoints[i] = input.ReadInt32();
}
break;
case 16:
ClipboardFormat = input.ReadString(length);
break;
case 17:
CreationDate = input.ReadInt32() * 1000;
break;
case 18:
ModifiedDate = input.ReadInt32() * 1000;
break;
case 19:
ModifiedBy = input.ReadNullString();
break;
case 20:
Comments = input.ReadString(length);
break;
case 21:
ReadOnlySpan <byte> imageFlags = input.ReadBytes(length); //4
ImageCompression = imageFlags[0] >> 4;
ImageQuality = imageFlags[1];
break;
case 7: //TODO:
default:
ReadOnlySpan <byte> unknown = input.ReadBytes(length);
break;
}
}
