internal void SetChunkData(ChunkCoordinates coords, AnvilRegionHeaderChunkData data)
{
//if (_chunkLocations.ContainsKey(coords))
//{
_chunkLocations[coords] = data;
//}
//else
//{
// _chunkLocations.Add(coords, data);
//}
}
private AnvilRegionHeader LoadRegionHeader(FileStream regionFile)
{
var header = new AnvilRegionHeader();
var completeUpdatedTimeBuffer = new byte[4096];
regionFile.Seek(4096, SeekOrigin.Begin);
regionFile.Read(completeUpdatedTimeBuffer, 0, 4096);
regionFile.Seek(0, SeekOrigin.Begin);
//int read = 0;
int baseX = X * Width;
int baseZ = Z * Width;
// Load Chunk Locations
for (var zi = 0; zi < Width; zi++)
{
for (var xi = 0; xi < Width; xi++)
{
int x = baseX + xi;
int z = baseZ + zi;
int index = (xi + zi * Width) * 4;
var coords = new ChunkCoordinates(x, z);
var chunkLocationBuffer = new byte[4];
regionFile.Read(chunkLocationBuffer, 0, 3);
Array.Reverse(chunkLocationBuffer);
int offset = BitConverter.ToInt32(chunkLocationBuffer, 0) << 4;
int length = regionFile.ReadByte() << 12;
var updatedTimeBuffer = new byte[4];
Array.Copy(completeUpdatedTimeBuffer, index, updatedTimeBuffer, 0, 4);
Array.Reverse(updatedTimeBuffer);
int updatedTime = BitConverter.ToInt32(updatedTimeBuffer, 0);
//Debug.WriteLine($"Header ({x},{z}) Offset: {offset} Length: {length} UpdatedTime: {updatedTime}");
var chunkHeader = new AnvilRegionHeaderChunkData(coords, offset, length, updatedTime);
header.SetChunkData(coords, chunkHeader);
}
}
return(header);
}
