public bool Write(Cache cache, CacheItemNode node, DataBuffer original)
{
try
{
DataBuffer index_data = cache.SubArchives[node.SubArchive].ExtractFile("index.dat");
original.Location = 0;
index_data.Location = original.ReadShort() + 4;
byte pcount = index_data.ReadByte();
if (pcount >= Palette.Length)
{
index_data.Location -= 5;
}
else //move to back
{
index_data.Location = index_data.Buffer.Length;
byte[] temp = new byte[index_data.Buffer.Length + 12 + Palette.Length * 3];
Array.Copy(index_data.Buffer, temp, index_data.Buffer.Length);
index_data.Buffer = temp;
}
IndexLocation = index_data.Location;
index_data.WriteShort(WholeWidth);
index_data.WriteShort(WholeHeight);
index_data.WriteByte((byte)Palette.Length);
for (int i = 0; i < Palette.Length - 1; i++)
{
index_data.WriteByte(Palette[i].R);
index_data.WriteByte(Palette[i].G);
index_data.WriteByte(Palette[i].B);
}
index_data.WriteByte((byte)XOffset);
index_data.WriteByte((byte)YOffset);
index_data.WriteShort(Width);
index_data.WriteShort(Height);
index_data.WriteByte(0); //x, y (1 is y, x)
byte[] data = new byte[Width * Height + 2];
data[0] = (byte)(IndexLocation >> 8);
data[1] = (byte)IndexLocation;
for (int i = 0; i < Width * Height; i++)
{
//todo: optimize
Color c = Pixels[i];
for (int k = 0; k < Palette.Length; k++)
{
if (Palette[k].R == c.R && Palette[k].G == c.G && Palette[k].B == c.B && Palette[k].A == c.A)
{
if (c.A == 0)
{
data[i + 2] = 0;
}
else
{
data[i + 2] = (byte)(k + 1);
}
}
}
}
cache.SubArchives[node.SubArchive].WriteFile("index.dat", index_data.Buffer);
cache.SubArchives[node.SubArchive].WriteFile(node.FileIndex, data);
cache.SubArchives[node.SubArchive].RewriteArchive();
return(true);
}
catch (Exception)
{
return(false);
}
}
public bool RewriteArchive()
{
DataBuffer data_buffer = new DataBuffer(new byte[8192]);
for (int i = 0; i < FileCount; i++)
{
if (FileBuffers[i] == null)
{
ExtractFile(i);
}
PackFile(ref data_buffer, i, FileBuffers[i], !ArchiveDecompressed);
}
DataBuffer header = new DataBuffer(new byte[2 + FileCount * 10]);
header.WriteShort(FileCount);
for (int i = 0; i < FileCount; i++)
{
header.WriteInteger(FileNames[i]);
header.Write3Bytes(UncompressedFileSizes[i]);
header.Write3Bytes(CompressedFileSizes[i]);
//pos += CompressedFileSizes[i];
}
if (ArchiveDecompressed)
{
DataBuffer d = new DataBuffer(new byte[data_buffer.Buffer.Length + header.Buffer.Length]);
//d.Write3Bytes(data_buffer.Buffer.Length);
//d.Write3Bytes(0);
d.Write(header.Buffer, 0, header.Location);
d.Write(data_buffer.Buffer, 0, data_buffer.Location);
MemoryStream ms = new MemoryStream();
BZip2OutputStream os = new BZip2OutputStream(ms, 1);
os.Write(d.Buffer, 0, d.Location);
os.Close();
byte[] c = ms.GetBuffer();
DataBuffer final = new DataBuffer(new byte[os.BytesWritten + 6]);
final.Write3Bytes(d.Buffer.Length);
final.Write3Bytes(os.BytesWritten);
final.Write(c, 0, os.BytesWritten);
MainBuffer = final.Buffer;
}
else
{
DataBuffer final = new DataBuffer(new byte[data_buffer.Buffer.Length + header.Buffer.Length + 100000]);
final.Write3Bytes(data_buffer.Buffer.Length);
if (ArchiveDecompressed)
{
final.Write3Bytes(0);
}
else
{
final.Write3Bytes(data_buffer.Buffer.Length);
}
final.Write(header.Buffer, 0, header.Location);
final.Write(data_buffer.Buffer, 0, data_buffer.Location);
MainBuffer = final.Buffer;
}
LoadBuffer(MainBuffer);
return(true);
}