///<summary>
/// loads or generates the chunk at the chunk location specified
///</summary>
public Chunk LoadChunk(int par1, int par2)
{
long l = ChunkCoordIntPair.ChunkXZ2Int(par1, par2);
droppedChunksSet.Remove(l);
Chunk chunk = (Chunk)chunkMap.GetValueByKey(l);
if (chunk == null)
{
int i = 0x1c9c3c;
if (par1 < -i || par2 < -i || par1 >= i || par2 >= i)
{
return(emptyChunk);
}
chunk = LoadChunkFromFile(par1, par2);
if (chunk == null)
{
if (chunkProvider == null)
{
chunk = emptyChunk;
}
else
{
chunk = chunkProvider.ProvideChunk(par1, par2);
}
}
chunkMap.Add(l, chunk);
chunkList.Add(chunk);
if (chunk != null)
{
chunk.Func_4143_d();
chunk.OnChunkLoad();
}
chunk.PopulateChunk(this, this, par1, par2);
}
return(chunk);
}
/// <summary>
/// Will return back a chunk, if it doesn't exist and its not a MP client it will generates all the blocks for the
/// specified chunk from the map seed and chunk seed
/// </summary>
public virtual Chunk ProvideChunk(int par1, int par2)
{
Chunk chunk = (Chunk)ChunkMapping.GetValueByKey(ChunkCoordIntPair.ChunkXZ2Int(par1, par2));
if (chunk == null)
{
return(BlankChunk);
}
else
{
return(chunk);
}
}
/// <summary>
/// Returns a biome cache block at location specified.
/// </summary>
public virtual BiomeCacheBlock GetBiomeCacheBlock(int par1, int par2)
{
par1 >>= 4;
par2 >>= 4;
long l = (long)par1 & 0xffffffffL | ((long)par2 & 0xffffffffL) << 32;
BiomeCacheBlock biomecacheblock = (BiomeCacheBlock)CacheMap.GetValueByKey(l);
if (biomecacheblock == null)
{
biomecacheblock = new BiomeCacheBlock(this, par1, par2);
CacheMap.Add(l, biomecacheblock);
Cache.Add(biomecacheblock);
}
biomecacheblock.LastAccessTime = JavaHelper.CurrentTimeMillis();
return(biomecacheblock);
}
