public static Region loadRegionFile(World world, Point regionID)
{
checkAndCreateFolder(world.getRegionPath());
try
{
FileStream fileStream = new FileStream(world.getRegionPath() + "\\x" + regionID.X + ".y" + regionID.Y + ".region", FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Delete);
return new Region(world, regionID, fileStream);
}
catch (IOException)
{
Console.WriteLine("region: x:" + regionID.X + " y:" + regionID.Y + " error");
}
return null;
}
public Region(World world, Point regionID, FileStream fileStream)
{
this.world = world;
this.regionID = regionID;
this.fileStream = fileStream;
lastUsedTick = DateTime.Now.Ticks;
chunkIsPresent = new byte[1024];
chunkPositionInFile = new int[1024];
chunkSizeInBytes = new int[1024];
//tempCreateChunkScheme();
//saveRegionScheme();
loadRegionScheme();
int test = 0;
}
public Chunk getChunk(World world, Point chunkCordinates)
{
Chunk alreadyLoadedChunk;
Tuple<int, int> chunkCordinatesTuple = Tuple.Create(chunkCordinates.X, chunkCordinates.Y);
if (chunkList.TryGetValue(chunkCordinatesTuple, out alreadyLoadedChunk))
{
return alreadyLoadedChunk;
}
//Console.WriteLine("Regions in InternalServer regionList: "+regionList.Count);
Point regionValue = Translation.chunkCoordsToRegionCoords(chunkCordinates);
Region fetchedRegion;
bool regionInDictionary = regionList.TryGetValue(Tuple.Create(regionValue.X, regionValue.Y), out fetchedRegion);
if (regionInDictionary)
{
//get chunk
Chunk newChunk = fetchedRegion.readChunk(chunkCordinates);
if (newChunk.terrainPopulated == 1)
{
chunkList.Add(chunkCordinatesTuple, newChunk);
return newChunk;
}
else
{
return null; //continue until found
}
}
else
{
//load region
Region newRegion = FileLoader.loadRegionFile(world, regionValue);
if (newRegion != null)
{
regionList.Add(Tuple.Create(regionValue.X, regionValue.Y), newRegion);
Chunk newChunk = newRegion.readChunk(chunkCordinates);
if (newChunk != null)
{
if (newChunk.terrainPopulated == 1)
{
chunkList.Add(chunkCordinatesTuple, newChunk);
return newChunk;
}
else
{
return null;
throw new Exception("Could not load chunk.");
}
}
}
else
{
throw new Exception("Could not load region file.");
}
}
return null;
}