feat(boss): implement almost-full boss

objects/actors/Actor.gd

@@ -2,8 +2,8 @@ extends RigidBody2D
 class_name Actor
 
 @export var _speed = 300.0
-@export var _maxHealth: int = 100
-@export var _currentHealth: float = _maxHealth
+@export var _maxHealth: float = 100
+@export var _currentHealth: float = 100
 @export var isAlive: bool = true
 
 @onready var animated_sprite = %AnimatedSprite

objects/actors/mob/Mob.gd

@@ -1,18 +1,13 @@
 class_name Mob
 extends Actor
 
-@onready var healthbar = $HealthBar
-@onready var animationPlayer = %AnimationPlayer
-
 var targeted_players: Array[Player]
-
-func _ready():
-	healthbar.init(_currentHealth)
-
-func _on_hit():
-	animationPlayer.play("Hit")
-	healthbar.value = _currentHealth
 
 func _on_death():
-	animationPlayer.play("Death")
+	super._on_death()
 	set_physics_process(false)
+	_disable_collision()
+
+func _disable_collision() -> void:
+	collision_layer = 0
+	collision_mask = 0

objects/actors/mob/boss/Boss.gd

@@ -0,0 +1,52 @@
+class_name Boss extends Mob
+
+@export var players_node: Node
+
+@onready var states: States = $States
+@onready var follow: Follow = $States/Follow
+@onready var death: Death = $States/Death
+
+@onready var health_bar: HealthBar = %HealthBar
+
+var players: Array[Player] = []
+
+func _ready():
+	health_bar.init(_currentHealth)
+
+	for node in players_node.get_children():
+		if node is Player:
+			_add_player(node)
+
+	players_node.child_entered_tree.connect(_on_player_added)
+
+func get_targeted_player() -> Player:
+	if players == null: return null
+	if players.is_empty(): return null
+
+	players.sort_custom(_sort_by_distance)
+	return players[0]
+
+func _sort_by_distance(a: Node2D, b: Node2D) -> bool:
+	var distance_to_a = a.global_position.distance_to(self.global_position)
+	var distance_to_b = b.global_position.distance_to(self.global_position)
+	return (distance_to_a < distance_to_b)
+
+func _update_animation() -> void:
+	if states.current_state == follow:
+		super._update_animation()
+
+func _on_hit():
+	super._on_hit()
+	health_bar.value = _currentHealth
+
+func _on_death() -> void:
+	super._on_death()
+	states.change_state(death)
+
+func _on_player_added(node: Node) -> void:
+	if node is Player:
+		_add_player(node)
+
+func _add_player(player: Player) -> void:
+	players.push_back(player)
+	prints("Boss knows players:", players)