/// <summary>
/// Gets the block list index of the given block position.
/// </summary>
/// <param name="pos">The block position.</param>
/// <returns>The block index.</returns>
private int BlockIndex(BlockPosition pos)
{
if (IsCorners(pos) || IsOutOfBounds(pos))
{
throw new System.ArgumentException("Block position out of range!", "pos");
}
int j = GetChunkSide(pos);
if (j == -1)
{
return(pos.Index(ChunkSize));
}
return(GetNextBlock(pos, j));
}
/// <summary>
/// Gets the index of the neighbor block based on the given block position and chunk edge.
/// </summary>
/// <param name="pos">The block position.</param>
/// <param name="j">The chunk edge.</param>
/// <returns>The block index.</returns>
private int GetNextBlock(BlockPosition pos, int j)
{
switch (j)
{
case 0:
case 1:
pos = new BlockPosition(j, pos.Y, pos.Z);
break;
case 2:
case 3:
pos = new BlockPosition(j, pos.X, pos.Z);
break;
case 4:
case 5:
pos = new BlockPosition(j, pos.X, pos.Y);
break;
}
return(pos.Index(ChunkSize) + ChunkSize.Volume);
}
/// <summary> /// Sets the block ID at the given local block position within the container. /// </summary> /// <param name="pos">The local block position.</param> /// <param name="id">The block ID to assign.</param> /// <exception cref="ArgumentOutOfRangeException"> /// If the block position is not within the container. /// </exception> public void SetBlockID(BlockPosition pos, ushort id) => m_Blocks[pos.Index(Size)] = id;
/// <summary> /// Gets the block ID at the given local block position within the container. /// </summary> /// <param name="pos">The local block position.</param> /// <returns>The block ID.</returns> /// <exception cref="ArgumentOutOfRangeException"> /// If the block position is not within the container. /// </exception> public ushort GetBlockID(BlockPosition pos) => m_Blocks[pos.Index(Size)];