every tick:
	loop all players:
		if loop-player has 1 iron ore:
			remove 1 iron ore from loop-player
			give 1 iron ingot to loop-player
		if loop-player has 1 gold ore:
			remove 1 gold ore from loop-player
			give 1 gold ingot to loop-player
		if loop-player has 1 diamond ore:
			remove 1 diamond ore from loop-player
			give 1 diamond to loop-player