private void ReadMapFilesSection(EndianReader reader)
{
var section = GetSectionHeader(reader, ModPackageSection.MapFiles);
if (!GoToSectionHeaderOffset(reader, section))
{
return;
}
var entry = new GenericSectionEntry(reader);
var mapCount = entry.Count;
MapFileStreams = new List <Stream>();
MapToCacheMapping = new Dictionary <int, int>();
for (int i = 0; i < mapCount; i++)
{
reader.BaseStream.Position = entry.TableOffset + 0x10 * i + section.Offset;
var tableEntry = new CacheMapTableEntry(reader);
reader.BaseStream.Position = tableEntry.Offset + section.Offset;
MapToCacheMapping.Add(i, tableEntry.CacheIndex);
int size = (int)section.Size;
var stream = new MemoryStream();
byte[] data = new byte[size];
reader.Read(data, 0, size);
stream.Write(data, 0, size);
MapFileStreams.Add(stream);
}
}
private void WriteMapsSection(EndianWriter writer)
{
uint sectionOffset = (uint)writer.BaseStream.Position;
GenericSectionEntry mapEntry = new GenericSectionEntry(MapFileStreams.Count, 0x8);
mapEntry.Write(writer);
// make room for table
writer.Write(new byte[0x10 * mapEntry.Count]);
for (int i = 0; i < MapFileStreams.Count; i++)
{
var mapFileStream = MapFileStreams[i];
uint offset = (uint)writer.BaseStream.Position;
int size = (int)mapFileStream.Length;
mapFileStream.Position = 0;
StreamUtil.Copy(mapFileStream, writer.BaseStream, (int)mapFileStream.Length);
StreamUtil.Align(writer.BaseStream, 4);
// seek to the table and update size and offset
writer.BaseStream.Seek(mapEntry.TableOffset + 0x10 * i + sectionOffset, SeekOrigin.Begin);
var tableEntry = new CacheMapTableEntry(size, offset - sectionOffset, MapToCacheMapping[i], MapIds[i]);
tableEntry.Write(writer);
writer.BaseStream.Seek(0, SeekOrigin.End);
}
writer.BaseStream.Seek(0, SeekOrigin.End);
}