private void ProcessRegions(
IMutagenReadStream stream,
MajorRecordFrame majorFrame,
long fileOffset)
{
if (!majorFrame.TryLocateSubrecordFrame(RecordTypes.RDAT, out var rdatFrame, out var rdatIndex))
{
return;
}
int amount = 0;
SortedList <uint, RangeInt64> rdats = new SortedList <uint, RangeInt64>();
bool foundNext = true;
while (foundNext)
{
foundNext = majorFrame.TryLocateSubrecordFrame(RecordTypes.RDAT, offset: rdatIndex + rdatFrame.TotalLength, out var nextRdatFrame, out var nextRdatIndex);
var index = rdatFrame.Content.UInt32();
rdats[index] =
new RangeInt64(
rdatIndex + fileOffset,
foundNext ? nextRdatIndex - 1 + fileOffset : fileOffset + majorFrame.TotalLength - 1);
rdatFrame = nextRdatFrame;
rdatIndex = nextRdatIndex;
}
foreach (var item in rdats.Reverse())
{
if (item.Key == (int)RegionData.RegionDataType.Icon)
{
continue;
}
this._Instructions.SetMove(
loc: fileOffset + majorFrame.TotalLength,
section: item.Value);
}
if (rdats.ContainsKey((int)RegionData.RegionDataType.Icon))
{ // Need to create icon record
if (!majorFrame.TryLocateSubrecordFrame("EDID", out var edidFrame, out var edidLoc))
{
throw new ArgumentException();
}
var locToPlace = fileOffset + edidLoc + edidFrame.TotalLength;
// Get icon string
var iconLoc = rdats[(int)RegionData.RegionDataType.Icon];
stream.Position = iconLoc.Min + 20;
var iconStr = stream.ReadZString((int)(iconLoc.Max - stream.Position));
// Get icon bytes
MemoryStream memStream = new MemoryStream();
using (var writer = new MutagenWriter(memStream, this.GameRelease))
{
using (HeaderExport.Header(
writer,
new RecordType("ICON"),
ObjectType.Subrecord))
{
writer.Write(iconStr);
writer.Write(default(byte));
}
}
var arr = memStream.ToArray();
this._Instructions.SetAddition(
loc: locToPlace,
addition: arr);
this._Instructions.SetRemove(
section: iconLoc);
amount += arr.Length;
amount -= (int)iconLoc.Width;
}
ProcessLengths(
majorFrame,
amount,
fileOffset);
}