public LingoHandler(ScriptChunk script, ShockwaveReader input)
: this(script)
{
NameIndex = input.ReadBigEndian <short>();
HandlerVectorPosition = input.ReadBigEndian <short>();
Body = new LingoHandlerBody(this, input);
_codeOffset = input.ReadBigEndian <int>();
Arguments.Capacity = input.ReadBigEndian <short>();
_argumentsOffset = input.ReadBigEndian <int>();
Locals.Capacity = input.ReadBigEndian <short>();
_localsOffset = input.ReadBigEndian <int>();
short unk1Length = input.ReadBigEndian <short>();
int unk1Offset = input.ReadBigEndian <int>();
int unk2Length = input.ReadBigEndian <int>();
int unk2Offset = input.ReadBigEndian <short>();
BytesPerLine.Capacity = input.ReadBigEndian <short>();
_lineOffset = input.ReadBigEndian <int>();
Body.StackHeight = input.ReadBigEndian <int>();
}
public ChunkHeader(ShockwaveReader input)
: this(input.ReadReversedString(4))
{
Length = (IsVariableLength ?
input.Read7BitEncodedInt() : input.ReadInt32());
Offset = input.Position;
}
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 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 LingoContextSection(ref ShockwaveReader input)
{
Unknown = input.ReadInt32();
Id = input.ReadInt32();
Flags = (LingoContextSectionFlags)input.ReadInt16();
Link = input.ReadInt16();
}
public ShockwaveFile(ShockwaveReader input)
: this()
{
_input = input;
Metadata = new FileMetadataChunk(input);
}
public ScriptContextChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
Remnants.Enqueue(input.ReadInt32());
Remnants.Enqueue(input.ReadInt32());
Sections = new List <ScriptContextSection>(input.ReadInt32());
input.ReadInt32();
short entryOffset = input.ReadInt16();
input.ReadInt16();
Remnants.Enqueue(input.ReadInt32()); //0
Type = input.ReadInt32(); //TODO: Enum
Remnants.Enqueue(input.ReadInt32());
NameListChunkId = input.ReadInt32();
ValidCount = input.ReadInt16(); //validCount - tremor "length"
Flags = input.ReadInt16(); //TODO: 1, 5
FreeChunkId = input.ReadInt16();
input.Position = entryOffset;
for (int i = 0; i < Sections.Capacity; i++)
{
Sections.Add(new ScriptContextSection(ref input));
}
}
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 ScriptContextSection(ShockwaveReader input)
{
Unknown = input.ReadBigEndian <int>();
Id = input.ReadBigEndian <int>();
Flags = input.ReadBigEndian <short>(); // 4=Used
Link = input.ReadBigEndian <short>();
}
public ScriptChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
input.IsBigEndian = true;
Remnants.Enqueue(input.ReadInt32());
Remnants.Enqueue(input.ReadInt32());
input.ReadInt32();
input.ReadInt32();
input.ReadInt16();
ScriptNumber = input.ReadInt16();
Remnants.Enqueue(input.ReadInt16());
Remnants.Enqueue(input.ReadBEInt32()); // -1
Remnants.Enqueue(input.ReadBEInt32()); // 0
Remnants.Enqueue(input.ReadBEInt32());
Remnants.Enqueue(input.ReadBEInt32()); // 0
BehaviourScript = input.ReadInt32(); //enum, Behav=0, Global=2
Remnants.Enqueue(input.ReadInt32());
Remnants.Enqueue(input.ReadInt16()); //scriptId
Remnants.Enqueue(input.ReadBEInt16());
Pool = new LingoValuePool(this, ref input);
}
private ICastProperties ReadTypeProperties(ref ShockwaveReader input, int dataLength)
{
switch (Type)
{
case CastType.Bitmap:
case CastType.OLE:
return(new BitmapCastProperties(ref input));
case CastType.Shape:
return(new ShapeCastProperties(ref input));
case CastType.Movie:
case CastType.DigitalVideo:
return(new VideoCastProperties(ref input));
case CastType.Button:
case CastType.Text:
return(new TextCastProperties(ref input));
case CastType.Script:
return(new ScriptCastProperties(ref input));
default:
return(new UnknownCastProperties(ref input, dataLength));
}
}
public LingoScriptChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
input.IsBigEndian = true;
input.ReadInt32();
input.ReadInt32();
input.ReadInt32();
input.ReadInt32();
input.ReadInt16();
ScriptNumber = input.ReadInt16();
Remnants.Enqueue(input.ReadInt16());
input.ReadBEInt32();
input.ReadBEInt32();
Remnants.Enqueue(input.ReadBEInt32());
input.ReadBEInt32();
Type = input.ReadInt32(); //TODO: enum, Behav=0, Global=2
Remnants.Enqueue(input.ReadInt32());
CastMemberRef = input.ReadInt16(); //scriptId
Remnants.Enqueue(input.ReadBEInt16()); //factoryNameId?
Pool = new LingoValuePool(this, ref input);
}
public ChunkEntry(ShockwaveReader input)
: this(new ChunkHeader(input))
{
Offset = input.ReadInt32();
Flags = (ChunkEntryFlags)input.ReadInt16();
Unknown = input.ReadInt16();
Link = input.ReadInt32();
}
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 ShockwaveFile(byte[] data)
: this()
{
_input = data;
var input = new ShockwaveReader(_input.Span);
Metadata = new FileMetadataChunk(ref input);
}
public void Populate(ShockwaveReader input, long scriptChunkOffset)
{
input.Position = scriptChunkOffset + _codeOffset;
input.Read(Body.Code, 0, Body.Code.Length);
input.PopulateVList(scriptChunkOffset + _argumentsOffset, Arguments, input.ReadBigEndian <short>);
input.PopulateVList(scriptChunkOffset + _localsOffset, Locals, input.ReadBigEndian <short>);
input.PopulateVList(scriptChunkOffset + _lineOffset, new List <byte>(), input.ReadByte);
}
public CastAssociationTableChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
Members = new int[header.Length / sizeof(int)];
for (int i = 0; i < Members.Length; i++)
{
Members[i] = input.ReadInt32();
}
}
public CastAssociationTableChunk(ShockwaveReader input, ChunkHeader header)
: base(header)
{
Members = new int[(int)header.Length / sizeof(int)];
for (int i = 0; i < Members.Length; i++)
{
Members[i] = input.ReadBigEndian <int>();
}
}
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 PaletteChunk(ShockwaveReader input, ChunkHeader header)
: base(header)
{
Colors = new Color[header.Length / 6];
for (int i = 0; i < Colors.Length; i++)
{
Colors[i] = input.ReadColor();
}
}
public InitialMapChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
MemoryMapOffsets = new int[input.ReadBEInt32()];
for (int i = 0; i < MemoryMapOffsets.Length; i++)
{
MemoryMapOffsets[i] = input.ReadBEInt32();
}
Version = (DirectorVersion)input.ReadBEInt32();
}
public ChunkEntry(ref ShockwaveReader input, int id)
: this(new ChunkHeader(ref input))
{
Id = id;
Offset = input.ReadBEInt32();
Flags = (ChunkEntryFlags)input.ReadBEInt16();
Unknown = input.ReadBEInt16();
Link = input.ReadBEInt32();
}
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 CastListEntry(ref ShockwaveReader input)
{
Name = input.ReadString();
FilePath = input.ReadString();
PreloadSettings = input.ReadInt16();
MemberMin = input.ReadInt16();
MemberCount = input.ReadInt16();
Id = input.ReadInt32();
}
public FavoriteColorsChunk(ref ShockwaveReader input, ChunkHeader header)
: base(header)
{
Remnants.Enqueue(input.ReadInt32()); //1
Remnants.Enqueue(input.ReadInt32()); //1
for (int i = 0; i < Colors.Length; i++)
{
Colors[i] = Color.FromArgb(input.ReadByte(), input.ReadByte(), input.ReadByte());
}
}
public static ChunkItem Read(ref ShockwaveReader input, AfterBurnerMapEntry entry)
{
if (entry.IsCompressed)
{
return(input.ReadCompressedChunk(entry));
}
else
{
return(Read(ref input, entry.Header));
}
}
public CastListEntry(ShockwaveReader input)
{
Name = input.ReadString();
FilePath = input.ReadString();
PreloadSettings = input.ReadBigEndian <short>();
MemberMin = input.ReadBigEndian <short>();
MemberCount = input.ReadBigEndian <short>();
Id = input.ReadBigEndian <int>();
}
public TextFormat(ShockwaveReader input)
{
Offset = input.ReadBigEndian <int>();
Height = input.ReadBigEndian <short>();
Ascent = input.ReadBigEndian <short>();
FontId = input.ReadBigEndian <short>();
Slant = input.ReadBoolean();
Padding = input.ReadByte();
FontSize = input.ReadBigEndian <short>();
Color = input.ReadColor();
}
