/// <summary>Converts a planar pic and caches it.</summary>
/// <param name="index">The index of the pic.</param>
/// <param name="grseg">The grseg for the pic.</param>
/// <param name="picType">The pic type.</param>
/// <returns>The converted pic.</returns>
public byte[] CachePic(int index, memptr grseg, pictype picType)
{
return CachePic(index, grseg, picType.width * Display.ColumnScale, picType.height, 1);
}
//==========================================================================
/////////////////////////////////////////////////////////
//
// InitGrFile
//
/////////////////////////////////////////////////////////
private void InitGrFile()
{
//
// calculate some offsets in the header
//
grhuffman = new huffnode(grhead);
grstarts = new memptr(grhead.Buffer, grhead.dataoffsets);
OptimizeNodes(grhuffman);
//
// Open the graphics file, leaving it open until the game is finished
//
grhandle = _sys.open("EGAGRAPH." + EXTENSION);
if(grhandle.IsNull)
Quit("Cannot open EGAGRAPH." + EXTENSION + "!");
memptr buffer = new memptr();
//
// load the pic and sprite headers into the data segment
//
needgr[STRUCTPIC] = 1; // make sure this chunk never reloads
grsegs[STRUCTPIC] = new memptr(null, 0xffff);
GetChunkLength(STRUCTPIC); // position file pointer
MMGetPtr(ref buffer, chunkcomplen);
SegRead(ref grhandle, buffer, chunkcomplen);
// as: Added temp pointer
memptr temp = new memptr(new byte[pictable.Length * pictype.SizeOf], 0);
HuffExpand(buffer.Buffer, buffer.BaseIndex, temp.Buffer, 0, temp.Buffer.Length, grhuffman);
// as: Initialise pictypes
for(int i = 0; i < pictable.Length; i++)
{
pictable[i] = new pictype(temp);
temp.Offset(pictype.SizeOf);
}
MMFreePtr(ref buffer);
}