get Last Two Target Blocks
Gets the last two blocks along the living entity's line of sight.
The target block will be the last block in the list.
Return
list containing the last 2 blocks along the living entity's line of sight
Parameters
transparent
HashSet containing all transparent block Materials (set to null for only air)
max Distance
this is the maximum distance to scan. This may be further limited by the server, but never to less than 100 blocks