on break of coal ore:
  player's gamemode is creative:
    stop
  cancel event
  player's inventory cannot hold 1 coal:
    message "{@prebad}Your inventory is full!" to player
    stop

  add 1 coal to the player's inventory
  set the block to cobblestone
  set {mining.timeslot::%block's location%} to now
  set {mining.location::%block's location%} to the block's location
  set {mining.blocktype::%block's location%} to coal ore