/// <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)
{
if (par1 == LastQueriedChunkXPos && par2 == LastQueriedChunkZPos && LastQueriedChunk != null)
{
return(LastQueriedChunk);
}
if (!WorldObj.FindingSpawnPoint && !CanChunkExist(par1, par2))
{
return(BlankChunk);
}
int i = par1 & 0x1f;
int j = par2 & 0x1f;
int k = i + j * 32;
if (!ChunkExists(par1, par2))
{
if (Chunks[k] != null)
{
Chunks[k].OnChunkUnload();
SaveChunk(Chunks[k]);
SaveExtraChunkData(Chunks[k]);
}
Chunk chunk = Func_542_c(par1, par2);
if (chunk == null)
{
if (ChunkProvider == null)
{
chunk = BlankChunk;
}
else
{
chunk = ChunkProvider.ProvideChunk(par1, par2);
chunk.RemoveUnknownBlocks();
}
}
Chunks[k] = chunk;
chunk.Func_4143_d();
if (Chunks[k] != null)
{
Chunks[k].OnChunkLoad();
}
Chunks[k].PopulateChunk(this, this, par1, par2);
}
LastQueriedChunkXPos = par1;
LastQueriedChunkZPos = par2;
LastQueriedChunk = Chunks[k];
return(Chunks[k]);
}
public virtual void PopulateChunk(IChunkProvider par1IChunkProvider, IChunkProvider par2IChunkProvider, int par3, int par4)
{
if (!IsTerrainPopulated && par1IChunkProvider.ChunkExists(par3 + 1, par4 + 1) && par1IChunkProvider.ChunkExists(par3, par4 + 1) && par1IChunkProvider.ChunkExists(par3 + 1, par4))
{
par1IChunkProvider.Populate(par2IChunkProvider, par3, par4);
}
if (par1IChunkProvider.ChunkExists(par3 - 1, par4) && !par1IChunkProvider.ProvideChunk(par3 - 1, par4).IsTerrainPopulated&& par1IChunkProvider.ChunkExists(par3 - 1, par4 + 1) && par1IChunkProvider.ChunkExists(par3, par4 + 1) && par1IChunkProvider.ChunkExists(par3 - 1, par4 + 1))
{
par1IChunkProvider.Populate(par2IChunkProvider, par3 - 1, par4);
}
if (par1IChunkProvider.ChunkExists(par3, par4 - 1) && !par1IChunkProvider.ProvideChunk(par3, par4 - 1).IsTerrainPopulated&& par1IChunkProvider.ChunkExists(par3 + 1, par4 - 1) && par1IChunkProvider.ChunkExists(par3 + 1, par4 - 1) && par1IChunkProvider.ChunkExists(par3 + 1, par4))
{
par1IChunkProvider.Populate(par2IChunkProvider, par3, par4 - 1);
}
if (par1IChunkProvider.ChunkExists(par3 - 1, par4 - 1) && !par1IChunkProvider.ProvideChunk(par3 - 1, par4 - 1).IsTerrainPopulated&& par1IChunkProvider.ChunkExists(par3, par4 - 1) && par1IChunkProvider.ChunkExists(par3 - 1, par4))
{
par1IChunkProvider.Populate(par2IChunkProvider, par3 - 1, par4 - 1);
}
}
///<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);
}