public SkyCompact()
{
using (var stream = OpenCompactStream())
{
var cptFile = new BinaryReader(stream);
var fileVersion = cptFile.ReadUInt16();
if (fileVersion != 0)
{
throw new NotSupportedException(string.Format("unknown \"sky.cpt\" version {0}", fileVersion));
}
if (SkyCptSize != cptFile.BaseStream.Length)
{
// TODO: GUI
//GUI::MessageDialog dialog(_("The \"sky.cpt\" file has an incorrect size.\nPlease (re)download it from www.scummvm.org"), _("OK"), NULL);
//dialog.runModal();
throw new NotSupportedException(string.Format("Incorrect sky.cpt size ({0}, expected: {1})",
cptFile.BaseStream.Length, SkyCptSize));
}
// set the necessary data structs up...
var numDataLists = cptFile.ReadUInt16();
var dataListLen = cptFile.ReadUInt16s(numDataLists);
var rawLen = cptFile.ReadUInt32();
var srcLen = cptFile.ReadInt32();
var srcBuf = cptFile.ReadBytes(srcLen * 2);
var asciiLen = cptFile.ReadInt32();
_asciiBuf = cptFile.ReadBytes(asciiLen);
_compacts = new CompactEntry[numDataLists][];
var srcPos = 0;
var asciiPos = 0;
// and fill them with the compact data
for (var lcnt = 0; lcnt < numDataLists; lcnt++)
{
_compacts[lcnt] = new CompactEntry[dataListLen[lcnt]];
for (var ecnt = 0; ecnt < dataListLen[lcnt]; ecnt++)
{
var size = srcBuf.ToUInt16(srcPos);
srcPos += 2;
if (size == 0)
{
continue;
}
var type = (CptTypeId)srcBuf.ToUInt16(srcPos);
srcPos += 2;
var name = ReadName(ref asciiPos);
var raw = new byte[size * 2];
Array.Copy(srcBuf, srcPos, raw, 0, size * 2);
_compacts[lcnt][ecnt] = new CompactEntry((lcnt << 12) | ecnt)
{
Type = type,
Name = name,
Data = type == CptTypeId.Compact ? (object)new Compact(raw) : raw
};
srcPos += size * 2;
}
}
// these compacts don't actually exist but only point to other ones...
var numDlincs = cptFile.ReadUInt16();
var dlincBuf = cptFile.ReadUInt16s(numDlincs * 2);
for (var i = 0; i < numDlincs; i++)
{
var dlincId = dlincBuf[i * 2];
var destId = dlincBuf[i * 2 + 1];
var name = ReadName(ref asciiPos);
var cDest = _compacts[destId >> 12][destId & 0xFFF];
_compacts[dlincId >> 12][dlincId & 0xFFF] = new CompactEntry(dlincId)
{
Name = name,
Data = cDest != null ? cDest.Data : null
};
}
// if this is v0.0288, parse this diff data
var numDiffs = cptFile.ReadUInt16();
var diffSize = cptFile.ReadUInt16() * 2;
var diffBuf = cptFile.ReadBytes(diffSize);
if (SystemVars.Instance.GameVersion.Version.Minor == 288)
{
var diffPos = 0;
for (var cnt = 0; cnt < numDiffs; cnt++)
{
var cptId = diffBuf.ToUInt16(diffPos);
diffPos += 2;
var offset = diffBuf.ToUInt16(diffPos);
diffPos += 2;
var len = diffBuf.ToUInt16(diffPos);
diffPos += 2;
var cpt = FetchCptEntry(cptId);
cpt.Patch(diffBuf, diffPos, offset * 2, len * 2);
diffPos += len * 2;
}
System.Diagnostics.Debug.Assert(diffPos == diffSize);
}
// these are the IDs that have to be saved into savegame files.
var numSaveIds = cptFile.ReadUInt16();
SaveIds = cptFile.ReadUInt16s(numSaveIds);
_resetDataPos = cptFile.BaseStream.Position;
}
}
private void ImportOldCompact(CompactEntry cptEntry, BinaryReader reader)
{
// TODO: ImportOldCompact
throw new NotImplementedException();
}
public SkyCompact()
{
using (var stream = OpenCompactStream())
{
var cptFile = new BinaryReader(stream);
var fileVersion = cptFile.ReadUInt16();
if (fileVersion != 0)
throw new NotSupportedException(string.Format("unknown \"sky.cpt\" version {0}", fileVersion));
if (SkyCptSize != cptFile.BaseStream.Length)
{
// TODO: GUI
//GUI::MessageDialog dialog(_("The \"sky.cpt\" file has an incorrect size.\nPlease (re)download it from www.scummvm.org"), _("OK"), NULL);
//dialog.runModal();
throw new NotSupportedException(string.Format("Incorrect sky.cpt size ({0}, expected: {1})",
cptFile.BaseStream.Length, SkyCptSize));
}
// set the necessary data structs up...
var numDataLists = cptFile.ReadUInt16();
var dataListLen = cptFile.ReadUInt16s(numDataLists);
var rawLen = cptFile.ReadUInt32();
var srcLen = cptFile.ReadInt32();
var srcBuf = cptFile.ReadBytes(srcLen * 2);
var asciiLen = cptFile.ReadInt32();
_asciiBuf = cptFile.ReadBytes(asciiLen);
_compacts = new CompactEntry[numDataLists][];
var srcPos = 0;
var asciiPos = 0;
// and fill them with the compact data
for (var lcnt = 0; lcnt < numDataLists; lcnt++)
{
_compacts[lcnt] = new CompactEntry[dataListLen[lcnt]];
for (var ecnt = 0; ecnt < dataListLen[lcnt]; ecnt++)
{
var size = srcBuf.ToUInt16(srcPos);
srcPos += 2;
if (size == 0) continue;
var type = (CptTypeId)srcBuf.ToUInt16(srcPos);
srcPos += 2;
var name = ReadName(ref asciiPos);
var raw = new byte[size * 2];
Array.Copy(srcBuf, srcPos, raw, 0, size * 2);
_compacts[lcnt][ecnt] = new CompactEntry((lcnt << 12) | ecnt)
{
Type = type,
Name = name,
Data = type == CptTypeId.Compact ? (object)new Compact(raw) : raw
};
srcPos += size * 2;
}
}
// these compacts don't actually exist but only point to other ones...
var numDlincs = cptFile.ReadUInt16();
var dlincBuf = cptFile.ReadUInt16s(numDlincs * 2);
for (var i = 0; i < numDlincs; i++)
{
var dlincId = dlincBuf[i * 2];
var destId = dlincBuf[i * 2 + 1];
var name = ReadName(ref asciiPos);
var cDest = _compacts[destId >> 12][destId & 0xFFF];
_compacts[dlincId >> 12][dlincId & 0xFFF] = new CompactEntry(dlincId)
{
Name = name,
Data = cDest != null ? cDest.Data : null
};
}
// if this is v0.0288, parse this diff data
var numDiffs = cptFile.ReadUInt16();
var diffSize = cptFile.ReadUInt16() * 2;
var diffBuf = cptFile.ReadBytes(diffSize);
if (SystemVars.Instance.GameVersion.Version.Minor == 288)
{
var diffPos = 0;
for (var cnt = 0; cnt < numDiffs; cnt++)
{
var cptId = diffBuf.ToUInt16(diffPos);
diffPos += 2;
var offset = diffBuf.ToUInt16(diffPos);
diffPos += 2;
var len = diffBuf.ToUInt16(diffPos);
diffPos += 2;
var cpt = FetchCptEntry(cptId);
cpt.Patch(diffBuf, diffPos, offset * 2, len * 2);
diffPos += len * 2;
}
System.Diagnostics.Debug.Assert(diffPos == diffSize);
}
// these are the IDs that have to be saved into savegame files.
var numSaveIds = cptFile.ReadUInt16();
SaveIds = cptFile.ReadUInt16s(numSaveIds);
_resetDataPos = cptFile.BaseStream.Position;
}
}
