/// <summary>
/// Creates an instance of a <see cref="Region"/> for the given region file.
/// </summary>
/// <param name="rm">The <see cref="RegionManager"/> that should be managing this region.</param>
/// <param name="cache">A shared cache for holding chunks.</param>
/// <param name="filename">The region file to derive the region from.</param>
/// <remarks><para>The constructor will not actually open or parse the region file. It will only read the file's name in order
/// to derive the region's coordinates, based on a strict naming pattern for regions: r.x.z.mcr, given x and z are integers
/// representing the region's coordinates.</para>
/// <para>Regions require a <see cref="ChunkCache"/> to be provided because they do not actually store any chunks or references
/// to chunks on their own. This allows regions to easily pass off requests outside of their bounds, if necessary.</para></remarks>
public Region(RegionManager rm, ChunkCache cache, string filename)
{
_regionMan = rm;
_cache = cache;
_regionFile = new WeakReference(null);
ParseFileNameCore(filename, out _rx, out _rz);
if (!File.Exists(Path.Combine(_regionMan.GetRegionPath(), filename))) {
throw new FileNotFoundException();
}
}
/// <summary>
/// Creates an instance of a <see cref="Region"/> for a given set of coordinates.
/// </summary>
/// <param name="rm">The <see cref="RegionManager"/> that should be managing this region.</param>
/// <param name="cache">A shared cache for holding chunks.</param>
/// <param name="rx">The global X-coordinate of the region.</param>
/// <param name="rz">The global Z-coordinate of the region.</param>
/// <remarks><para>The constructor will not actually open or parse any region files. Given just the region coordinates, the
/// region will be able to determien the correct region file to look for based on the naming pattern for regions:
/// r.x.z.mcr, given x and z are integers representing the region's coordinates.</para>
/// <para>Regions require a <see cref="ChunkCache"/> to be provided because they do not actually store any chunks or references
/// to chunks on their own. This allows regions to easily pass off requests outside of their bounds, if necessary.</para></remarks>
public Region(RegionManager rm, ChunkCache cache, int rx, int rz)
{
_regionMan = rm;
_cache = cache;
_regionFile = new WeakReference(null);
_rx = rx;
_rz = rz;
if (!File.Exists(GetFilePath())) {
throw new FileNotFoundException();
}
}
public BetaRegionManager(string regionDir, ChunkCache cache)
: base(regionDir, cache)
{
}
private void OpenDimension(int dim)
{
string path = Path;
if (dim == Dimension.DEFAULT) {
path = IO.Path.Combine(path, _REGION_DIR);
}
else {
path = IO.Path.Combine(path, "DIM" + dim);
path = IO.Path.Combine(path, _REGION_DIR);
}
if (!Directory.Exists(path)) {
Directory.CreateDirectory(path);
}
ChunkCache cc = new ChunkCache(_prefCacheSize);
AnvilRegionManager rm = new AnvilRegionManager(path, cc);
RegionChunkManager cm = new RegionChunkManager(rm, cc);
BlockManager bm = new AnvilBlockManager(cm);
_regionMgrs[dim] = rm;
_chunkMgrs[dim] = cm;
_blockMgrs[dim] = bm;
_caches[dim] = cc;
}
public AnvilRegion(AnvilRegionManager rm, ChunkCache cache, int rx, int rz)
: base(rm, cache, rx, rz)
{
}
public BetaRegion(BetaRegionManager rm, ChunkCache cache, int rx, int rz)
: base(rm, cache, rx, rz)
{
}