func check_spell(caster, targets, spell): #Checks ranges and requirements on targets, then executes spell/begins ritual
	if SpellDB.get_spell(spell)["target_types"][0] == "Self" and SpellDB.get_spell(spell)["target_types"].size() == 1 :
		if SpellDB.get_spell(spell)["cast_time"][0] == 0 :
			execute_spell_effects(caster,targets,spell)
			print ("Executing spell effects")
			return
		else :
			caster.change_task(null,spell)
			caster.ritual_targets = targets.duplicate()
			print ("Ritual started")
			return

	print ("Spell is not self cast, checking targets n such")

	var ranges = SpellDB.get_spell(spell)["range"]
	var anchors = SpellDB.get_spell(spell)["range_anchor"]
	var requirements = SpellDB.get_spell(spell)["target_restrictions"]

	var anchor
	var x = 0
	var y = 0
	while x < targets.size() : #Check distance between caster and target
		if x >= ranges.size() :
			y = ranges.size()-1
		else :
			y = x
		if anchors[y] == 0 :
			if targets[x] is Vector2:
				#if not pythagoras_range(caster.local_tile,targets[x],ranges[y]) :
				if calculate_distance(caster.local_tile,targets[x]) > ranges[y] :
					print("Actor-tile unanchored range check failed")
					return false
				anchor = targets[x]
			else:
				#if not pythagoras_range(caster.local_tile,targets[x].local_tile,ranges[y]) :
				if calculate_distance(caster.local_tile,targets[x].local_tile) > ranges[y] :
					print("Actor-Actor unanchored range check failed")
					return false
				anchor = targets[x].local_tile
		else :
			if targets[x] is Vector2:
				#if not pythagoras_range(anchor,targets[x],ranges[y]) :
				if calculate_distance(anchor,targets[x]) > ranges[y] :
					print (anchor)
					print (targets[x])
					print (ranges[y])
					print (calculate_distance(anchor,targets[x]))
					print("Anchor-tile anchored range check failed")
					return false
				anchor = targets[x]
			else:
				#if not pythagoras_range(anchor,targets[x].local_tile,ranges[y]) :
				if calculate_distance(anchor,targets[x].local_tile) > ranges[y] :
					print("Anchor-Actor range check failed")
					return false
				anchor = targets[x].local_tile
		x = x + 1
	print("Range check passed")
	x = 0
	while x < targets.size() :
		if not check_visibility(caster, targets[x]) >= SpellDB.get_spell(spell)["visible_only"]: return false
		if typeof(targets[x]) == TYPE_VECTOR2 :
			if x >= requirements.size() :
				if not check_tile_requirements(targets[x],requirements[requirements.size()-1]):
					print ("Extended tile requirements invalid")
					return false
			elif not check_tile_requirements(targets[x],requirements[x]):
				print("Tile requirements invalid")
				return false
		else :
			if not targets[x].check_requirements(SpellDB.get_spell(spell)["target_restrictions"][x],null): #Can't properly support target_requirements yet
				print ("Actor requirements invalid")
				return false
		x = x + 1
	print("Target requirements passed")

	if SpellDB.get_spell(spell)["cast_time"] == 0 :
		execute_spell_effects(caster,targets,spell)
		print ("Executing spell effects")
	else :
		caster.change_task(null,spell)
		caster.ritual_targets = targets.duplicate()
		print ("Ritual started")