Skeleton Boss! ]|[ Skript #416

# Use armor stands to create skills (i.e. comet)
# Zombie boss: hordes of zombies, etc
# Skeleton boss: archer, summon skeletons, shoot arrow with high damage
# Blaze boss: comet/fireball, summon blazes,
# Stray (shaman): holds stick, summon angry wolves,
# Add particles & sounds


options:
	logo: &4&lBoss&8:&7
	bossGuiName: Bosses

	# Boss health
	maxHealth_zombieBoss: 100
	maxHealth_skeletonBoss: 140
	maxHealth_blazeBoss: 120
	maxHealth_shamanBoss: 110

	# The permission required to execute the command '/boss'
	permission: "boss.*"

on enable:
	set {zombieBossItem} to zombie head named "&aZombie Boss" with lore " &7Health&8: &7{@maxHealth_zombieBoss}", "&8 ", " &7Click to summon" and " &7the Zombie Boss."
	set {skeletonBossItem} to skeleton head named "&fSkeleton Boss" with lore " &7Health&8: &7{@maxHealth_skeletonBoss}", "&8 ", " &7Click to summon" and " &7the Skeleton Boss."
	set {blazeBossItem} to blaze rod named "&cBlaze Boss" with lore " &7Health&8: &7{@maxHealth_blazeBoss}", "&8 ", " &7Click to summon" and " &7the Blaze Boss."
	set {shamanBossItem} to stick named "&2Shaman Boss" with lore " &7Health&8: &7{@maxHealth_shamanBoss}", "&8 ", " &7Click to summon" and " &7the Shaman Boss."



function getNewLocation(location: Location, offset: Number, direction: Integer) :: Location:
	if {_direction} is 0:
		set {_location} to location {_offset} meters northeast of {_location}
	else if {_direction} is 1:
		set {_location} to location {_offset} meters northwest of {_location}
	else if {_direction} is 2:
		set {_location} to location {_offset} meters southwest of {_location}
	else if {_direction} is 3:
		set {_location} to location {_offset} meters southeast of {_location}
	return {_location}

function mustUpdateDirection(input: Number, standsWithTheSameDirection: Integer, dir: Integer) :: boolean:
	if {_standsWithTheSameDirection} < 1:
		set {_standsWithTheSameDirection} to 1
	while {_input} >= {_standsWithTheSameDirection}:
		remove {_standsWithTheSameDirection} from {_input}
	if {_input} is 0:
		return true
	return false

function getNewDirection(dir: Integer) :: integer:
	add 1 to {_dir}
	if {_dir} is 4:
		set {_dir} to 0
	return {_dir}

# Number MUST be a duplicate of four
function circle(loc: location, radius: Integer, amount: Integer, entity: EntityType):
	set {_summonLocation} to location {_radius} meters north of {_loc}
	set {_standsWithTheSameDirection} to {_amount}/4
	set {_distanceBetweenStands} to {_radius}/{_standsWithTheSameDirection}
	set {_dir} to 2
	summon {_entity} at {_summonLocation}
	loop {_amount} -1 times:
		set {_summonLocation} to getNewLocation({_summonLocation}, {_distanceBetweenStands}, {_dir})
		if mustUpdateDirection(loop-value, "%{_standsWithTheSameDirection}%" parsed as an integer, {_dir}) is true:
			set {_dir} to getNewDirection({_dir})
		summon {_entity} at {_summonLocation}
		set display name of last spawned armor stand to "%loop-value%: %{_dir}%"

command /boss:
	trigger:
		if executor is not player:
			send "{@logo} This command can only be executed by a player."
		else if player doesn't have permission {@permission}:
			send "{@logo} You do not have enough permissions to do this."
		else:
			open chest with 3 rows named "{@bossGuiName}" to player
			loop 10 times:
				set slot loop-value - 1 of player's current inventory to gray stained glass pane named "&k"
				set slot 26 - loop-value - 1 of player's current inventory to gray stained glass pane named "&k"

			set slot 10 of player's current inventory to {zombieBossItem}
			set slot 11 of player's current inventory to {skeletonBossItem}
			set slot 12 of player's current inventory to {blazeBossItem}
			set slot 13 of player's current inventory to {shamanBossItem}
			set {boss.currentInventory.%player%} to true

#
#	B o s s e s
#

function getRandomTarget(boss: Entity, radius: Number) :: Entity:
	set {_possibleTargets::*} to all players in radius {_radius} around {_boss}
	set {_targetsAreEntities} to false
	if size of {_possibleTargets::*} < 1:
		set {_targetsAreEntities} to true
		set {_possibleTargets::*} to all entities in radius {_radius} around {_boss}
	while {_possibleTargets::*} is not empty:
		set {_target} to random element out of {_possibleTargets::*}
		remove {_target} from {_possibleTargets::*}
		if {_target} is not a player:
			if {_target} is not {_boss}:
				return {_target}
		else if gamemode of {_target} is survival or adventure:
			if {_entity} is dropped item:
				return {_target}

		set {_stopLoop} to false
		if {_possibleTargets::*} is empty:
			set {_stopLoop} to true
		else if {_possibleTargets::*} is not set:
			set {_stopLoop} to true
		if {_stopLoop}:
			if {_targetsAreEntities} is false:
				set {_targetsAreEntities} to true
				set {_possibleTargets::*} to all entities in radius {_radius} around {_boss}
			else:
				return null

function summonBoss(entityType: EntityType, location: Location, name: String, helmet: Item, chestplate: Item, leggings: Item, boots: Item, heldItem: Item, isAdult: Boolean) :: entity:
	set {_boss} to {_entityType}
	summon {_boss} at {_location}
	set {_boss} to last spawned entity
	set display name of {_boss} to "%{_name}%"
	set custom name visibility of {_boss} to true
	set helmet of {_boss} to unbreakable {_helmet}
	set chestplate of {_boss} to unbreakable {_chestplate}
	set leggings of {_boss} to unbreakable {_leggings}
	set boots of {_boss} to unbreakable {_boots}
	set held item of {_boss} to unbreakable {_heldItem}
	set {_boss} to adult
	if {_isAdult} is false:
		set {_boss} to baby
	return {_boss}

function summonZombieBoss(location: Location):
	set {_boss} to summonBoss(zombie, {_location}, "&a&lZombie Boss", iron helmet, iron chestplate, iron leggings, iron boots, iron sword, true)
	set max health of {_boss} to {@maxHealth_zombieBoss}
	set health of {_boss} to {@maxHealth_zombieBoss}
	wait 20 ticks
	while {_boss} is alive:
		if {%{_boss}%.hasUsedJumpAbility} is not true:
			set {_rng} to random integer between 0 and 9
			if {_rng} is 0, 1 or 2:
				circle(location of {_boss}, 3, 8, zombie)
			else if {_rng} is 3 or 4:
				set {_target} to getRandomTarget({_boss}, 9)
				if {_target} is set:
					jump({_boss}, 5, {_target})
		wait 47 ticks

function jump(entity: Entity, height: Number, targetLocation: Location):
	set {%{_entity}%.hasUsedJumpAbility} to true
	push {_entity} (direction from location of {_entity} to {_targetLocation}) at speed 0.7436
	push {_entity} 0.9513 meters upwards


# Skeleton boss
function summonSkeletonBoss(location: Location):
	# Change items and heals
	set {_boss} to summonBoss(skeleton, {_location}, "&f&lSkeleton Boss", iron helmet, iron chestplate, iron leggings, iron boots, iron sword, true)
	set max health of {_boss} to {@maxHealth_skeletonBoss}
	set health of {_boss} to {@maxHealth_skeletonBoss}
	wait 20 ticks
	while {_boss} is alive:
		set {_rng} to random integer between 0 and 10
		if {_rng} is 0, 1 or 2:
			circle(location of {_boss}, 3, 4, skeleton)
		else if {_rng} is 3 or 4:
			set {_target} to getRandomTarget({_boss}, 17)
			if {_target} is set:
				shootArrows({_boss}, random integer between 4 and 7, {_target})
		wait 40 ticks

function shootArrows(boss: Entity, arrowAmount: Number, targetLocation: Location):
	# Shoots and arrow in the direction of {_targetLocation} {_arrowAmount} times with a delay between each arrow


on inventory click:
	if inventory name of player's current inventory is "{@bossGuiName}":
		cancel event
		if clicked item is {zombieBossItem}:
			summonZombieBoss(location of player)
			close inventory of player
		else if clicked item is {skeletonBossItem}:
			summonSkeletonBoss(location of player)
			close inventory of player
		else if clicked item is {blazeBossItem}:
			send "BLAZE"
			close inventory of player
		else if clicked item is {shamanBossItem}:
			send "SHAMAN"
			close inventory of player


on inventory close:
	delete {boss.currentInventory.%player%}
on inventory drag:
	if {boss.currentInventory.%player%} is true:
		cancel event

on quit:
	delete {boss.currentInventory.%player%}

on damage:
	if damage cause is fall:
		if {%victim%.hasUsedJumpAbility} is true:
			delete {%victim%.hasUsedJumpAbility}
			loop all entities in radius 4.6 around victim:
				if loop-entity is not victim:
					damage loop-entity by 4.6/(distance between location of loop-entity and location of victim)
			cancel event