public SPC(byte[] bytes, string spcName)
{
BinaryReader reader = new BinaryReader(new MemoryStream(bytes), Encoding.UTF8);
string spcMagic = new string(reader.ReadChars(4));
if (spcMagic == "$CMP")
{
throw new NotImplementedException("Error parsing SPC file: SRD-compressed SPC files are not yet supported.");
}
else if (spcMagic != "CPS.")
{
throw new InvalidDataException("Error parsing SPC file: Invalid magic number.");
}
Unk1 = reader.ReadBytes(0x24);
uint fileCount = reader.ReadUInt32();
Unk2 = reader.ReadUInt32();
reader.BaseStream.Seek(0x10, SeekOrigin.Current);
string tableMagic = new string(reader.ReadChars(4));
if (tableMagic != "Root")
{
throw new InvalidDataException("Error parsing SPC file: Invalid file table identifier.");
}
reader.BaseStream.Seek(0x0C, SeekOrigin.Current);
Entries = new Dictionary <string, SPCEntry>();
for (int i = 0; i < fileCount; i++)
{
SPCEntry entry = new SPCEntry();
entry.CmpFlag = reader.ReadUInt16();
entry.UnkFlag = reader.ReadUInt16();
int cmpSize = reader.ReadInt32();
int decSize = reader.ReadInt32();
int nameLen = reader.ReadInt32();
reader.BaseStream.Seek(0x10, SeekOrigin.Current);
int namePadding = (0x10 - (nameLen + 1) % 0x10) % 0x10;
int dataPadding = (0x10 - cmpSize % 0x10) % 0x10;
entry.Filename = new string(reader.ReadChars(nameLen));
reader.BaseStream.Seek(namePadding + 1, SeekOrigin.Current);
byte[] data = reader.ReadBytes(cmpSize);
if (entry.CmpFlag == 2) // Decompress data if needed
{
data = DecompressEntry(data);
}
entry.Contents = data;
reader.BaseStream.Seek(dataPadding, SeekOrigin.Current);
Entries[entry.Filename] = entry;
}
}
public override byte[] ToBytesDefault()
{
List <byte> result = new List <byte>();
result.AddRange(Encoding.UTF8.GetBytes("CPS."));
result.AddRange(Unk1);
result.AddRange(BitConverter.GetBytes(Entries.Count));
result.AddRange(BitConverter.GetBytes(Unk2));
for (int i = 0; i < 0x10; i++)
{
result.Add(0x00);
}
result.AddRange(Encoding.UTF8.GetBytes("Root"));
for (int i = 0; i < 0x0C; i++)
{
result.Add(0x00);
}
foreach (KeyValuePair <string, SPCEntry> pair in Entries)
{
SPCEntry entry = pair.Value;
result.AddRange(BitConverter.GetBytes(entry.CmpFlag));
result.AddRange(BitConverter.GetBytes(entry.UnkFlag));
result.AddRange(BitConverter.GetBytes(entry.CmpSize));
result.AddRange(BitConverter.GetBytes(entry.DecSize));
result.AddRange(BitConverter.GetBytes(entry.Filename.Length));
for (int i = 0; i < 0x10; i++)
{
result.Add(0x00);
}
uint namePadding = (uint)((0x10 - (entry.Filename.Length + 1) % 0x10) % 0x10);
uint dataPadding = (uint)((0x10 - entry.CmpSize % 0x10) % 0x10);
result.AddRange(Encoding.UTF8.GetBytes(entry.Filename));
for (int i = 0; i < namePadding + 1; i++)
{
result.Add(0x00);
}
result.AddRange(entry.Contents);
for (int i = 0; i < dataPadding; i++)
{
result.Add(0x00);
}
}
return(result.ToArray());
}
protected V3Format(SPCEntry entry)
{
this.entry = entry;
if (entry.CmpFlag == 0x02) // Decompress data if needed
{
byte[] result = SPC.DecompressEntry(entry.Contents);
if (result.Length != entry.DecSize)
{
throw new Exception($"Size mismatch: Size was {result.Length} but should be {entry.DecSize}");
}
entry.Contents = result;
entry.CmpFlag = 0x01;
entry.CmpSize = entry.Contents.Length;
}
}
public WRD(SPCEntry entry, string spcName, string wrdName) : base(entry)
{
this.spcName = spcName;
this.wrdName = wrdName;
}
public STX(SPCEntry entry) : base(entry)
{
}