function calcDamage(p: player) :: number:
	set {_damage} to 0
	set {_item} to slot 40 of {_p}'s inventory
	match {_item}:
		case diamond sword:
			add 7 to {_damage}
		case iron sword:
			add 6 to {_damage}
		case stone sword:
			add 5 to {_damage}
		true:
			add 4 to {_damage}
	set {_strengthTier} to potion tier "INCREASE_DAMAGE" of {_p}
	add {_strengthTier}*3 to {_damage}
	set {_weaknessTier} to potion tier "WEAKNESS" of {_p}
	remove {_weaknessTier}*4 from {_damage}
	set {_sharpnessLevel} to level of sharpness of {_item}
	if {_sharpnessLevel} >= 1:
		add 1 to {_damage}
		remove 1 from {_sharpnessLevel}
		add {_sharpnessLevel}*0.5 to {_damage}
	return {_damage}

on rightclick:
	if slot 40 of player's inventory is any sword:
		set {_item} to slot 40 of player's inventory
		set {_packet} to new play_server_animation packet
		set player's world pentity 0 of {_packet} to player
		set int pnum 1 of {_packet} to 3
		loop all players:
			send packet {_packet} to loop-player
		if distance between player and player's target entity <= 3.5:
			set {_damage} to calcDamage(player)
			if "%player's target entity%" is "skeleton", "zombie", "wither" or "zombie pigman":
				set {_smiteLevel} to level of smite of {_item}
				add {_smiteLevel}*2.5 to {_damage}
			else if "%player's target entity%" is "spider", "cave spider", "silverfish" or "endermite":
				set {_boaLevel} to level of bane of arthropods of {_item}
				add {_boaLevel}*2.5 to {_damage}
				if {_boaLevel} >= 1:
					set {_slowDuration} to a random number between 1 and 1.5
					remove 1 from {_boaLevel}
					add {_boaLevel}*0.5 to {_slowDuration}
					set {_timespan} to "%{_slowDuration}% seconds" parsed as timespan
					apply slowness 4 to player's target for {_timespan}
			set {_knockbackLevel} to level of knockback of {_item}
			set {_fireLevel} to level of fire aspect of {_item}
			set {_fireDuration} to "%{_fireLevel}*4% seconds" parsed as timespan
			make player damage player's target entity by {_damage}
			push player's target entity in direction of player with force {_knockbackLevel}*0.2
			set player's target entity on fire for {_fireDuration}
			damage slot 40 of player's inventory by 1