public void ReadFile() //actually reads the file into filebytes
{
if (parentarcfile != null) //if it's an arc subfile
{
if (offset != 0)
{
filebytes = new byte[size];
Array.Copy(parentarcfile.filebytes, offset, filebytes, 0, size);
}
DecompressFile(); //check for compression
switch (Path.GetExtension(filename).ToLower())
{
case ".st":
ReadTextFileEPF();
break;
case ".st2":
ReadTextFileHR();
break;
}
}
else if (parentrdtfile != null) //if it's an rdt subfile
{
rdtSubfileData subfileTable = new rdtSubfileData(); //read this subfile's table
int overallIndex = 0;
subfileTable.IndexInList = overallIndex;
subfileTable.parentfile = this;
subfileTable.ReadRawData(parentrdtfile.filebytes, offset);
rdtSubfileDataList.Add(subfileTable);
overallIndex++;
if (subfileTable.filebytes == null || subfileTable.filebytes.Length == 0)
{
return;
}
//now read the subfile table
int numlists = BitConverter.ToInt32(subfileTable.filebytes, 0); //number of lists e.g. 2: the list of centre bounds, the list of compressed files
//Console.WriteLine(numlists);
int curOffset = 4; //offset in subfile table filebytes
//From what I can tell, the file offsets in an RDT initially lead to a table (beginning with ID 0x03),
//which contains lists of file types. The first one tends to be a centre bounds etc file, describing the
//sprite. The next list tends to contain LZ10 compressed stuff, where the first file is the offset of
//animation metadata. Then, frame durations. Then after that, it's the offsets of alternating
//palettes and sprites. All these offsets are relative to the start of the RDT, which is a pain...
for (int i = 0; i < numlists; i++)
{
int countInList = BitConverter.ToUInt16(subfileTable.filebytes, curOffset);
curOffset += 2;
for (int f = 0; f < countInList; f++)
{
rdtSubfileData newSubfile = new rdtSubfileData();
newSubfile.IndexInList = overallIndex;
newSubfile.parentfile = this;
newSubfile.ReadRawData(parentrdtfile.filebytes, BitConverter.ToInt32(subfileTable.filebytes, curOffset));
overallIndex++;
if (f == 0)
{
newSubfile.graphicsType = "GraphicsMetadata";
}
else if (f == 1)
{
newSubfile.graphicsType = "GraphicsFrameDurations";
}
if (f > 1)
{
if (f % 2 == 0)
{
newSubfile.graphicsType = "palette";
}
else
{
newSubfile.graphicsType = "image";
}
}
newSubfile.Parse();
rdtSubfileDataList.Add(newSubfile);
curOffset += 4;
}
}
filebytes = new Byte[1]; //set dummy filebytes so that this file registers as read by EPFExplorer
}
}