/// <summary>Creates a new huffnode for the first entry in the grhead huffnode dictionary (array).</summary>
/// <param name="grhead">The grhead structure.</param>
public huffnode(grheadtype grhead)
: this(grhead.Buffer, grhead.dictionary)
{
}
//==========================================================================
/*
============================
=
= LoadNearData
=
= Load stuff into data segment before memory manager is
= started (which takes all available memory, near and far)
=
============================
*/
private void LoadNearData()
{
//
// load egahead.ext (offsets and dictionary for graphics file)
//
string fileName = "EGAHEAD." + EXTENSION;
if(!_sys.FileExists(fileName))
Quit("Can't open EGAHEAD." + EXTENSION + "!");
byte[] buffer = _sys.FileReadAllBytes(fileName);
grhead = new grheadtype(buffer);
if(grhead.dataoffsets + NUMCHUNKS * 4 + 3 >= grhead.Buffer.Length)
{
// as: CacheGrFile reads past the end of grstarts (on the last entry)
// workaround - create an extra entry and add it to the end of grstarts
Array.Resize<byte>(ref buffer, buffer.Length + 4);
int fileLength = _sys.FileLength("EGAGRAPH." + EXTENSION);
if(fileLength == -1)
Quit("Cannot open EGAGRAPH." + EXTENSION + "!");
buffer[buffer.Length - 4] = (byte) fileLength;
fileLength >>= 8;
buffer[buffer.Length - 3] = (byte) fileLength;
fileLength >>= 8;
buffer[buffer.Length - 2] = (byte) fileLength;
fileLength >>= 8;
buffer[buffer.Length - 1] = (byte) fileLength;
grhead = new grheadtype(buffer);
}
}