Method GetBlock

src/ChunkMap.cpp:1144–1171

BLOCKTYPE cChunkMap::GetBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
{
	// First check if it isn't queued in the m_FastSetBlockQueue:
	{
		int X = a_BlockX, Y = a_BlockY, Z = a_BlockZ;
		int ChunkX, ChunkY, ChunkZ;
		cChunkDef::AbsoluteToRelative(X, Y, Z, ChunkX, ChunkZ);
		ChunkY = 0;
		cCSLock Lock(m_CSFastSetBlock);
		for (sSetBlockList::iterator itr = m_FastSetBlockQueue.begin(); itr != m_FastSetBlockQueue.end(); ++itr)
		{
			if ((itr->x == X) && (itr->y == Y) && (itr->z == Z) && (itr->ChunkX == ChunkX) && (itr->ChunkZ == ChunkZ))
			{
				return itr->BlockType;
			}
		}  // for itr - m_FastSetBlockQueue[]
	}
	int ChunkX, ChunkZ;
	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ );
	
	cCSLock Lock(m_CSLayers);
	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
	if ((Chunk != NULL) && Chunk->IsValid())
	{
		return Chunk->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
	}
	return 0;
}