options:
	bossbarcolor : PINK
	bossbarstyle : SOLID
every tick:
	loop all entities:
		loop-entity is a living entity
		loop-entity is not a player
		loop-entity is not armor stand
		loop-entity is not a wither
		loop-entity is not ender dragon
		health of loop-entity > 0
		if "%tag ""Tags"" of nbt of loop-entity%" contain "showbossbar":
			add "{PersistenceRequired:1b}" to nbt of loop-entity
			if {bossbar.%UUID of loop-entity%} is not set:
				set {bossbar.%UUID of loop-entity%} to new bossbar
				set color of bar {bossbar.%UUID of loop-entity%} to {@bossbarcolor}
				set style of bar {bossbar.%UUID of loop-entity%} to {@bossbarstyle}
			if name of loop-entity is set:
				set name of bar {bossbar.%UUID of loop-entity%} to name of loop-entity
			else if name of loop-entity is not set:
				set name of bar {bossbar.%UUID of loop-entity%} to "%loop-entity%"
			set progress of bar {bossbar.%UUID of loop-entity%} to health of loop-entity/max health of loop-entity
			loop all players:
				if distance between loop-player-1 and loop-entity-1 < 101:
					add loop-player-1 to bar {bossbar.%UUID of loop-entity-1%}
				if distance between loop-player-1 and loop-entity-1 > 100:
					remove loop-player-1 from bar {bossbar.%UUID of loop-entity-1%}
		else if "%tag ""Tags"" of nbt of loop-entity%" do not contain "showbossbar":
			if {bossbar.%UUID of loop-entity%} is set:
				remove all players from bar {bossbar.%UUID of loop-entity%}
				delete {bossbar.%UUID of loop-entity%}
on death:
	if {bossbar.%UUID of victim%} is set:
		wait 10 tick
		remove all players from bar {bossbar.%UUID of victim%}
		delete {bossbar.%UUID of victim%}