refactor(Statemachine): 重构实体状态栏和Boss栏逻辑

将EntityStateBar的_ready逻辑移到EntityBase中统一管理
修改BossBar的更新逻辑从_physics_process改为_process
调整Wave配置中Boss的出现波次从8改为1

scripts/Contents/Wave.gd

@@ -13,7 +13,7 @@ static var countBoost: float = 0.1 # 每波增加的敌人数量百分比，指
 static var data: Array[Wave] = [
 	# entity, minCount, maxCount, isBoss, from, to, per
 	create(preload("res://components/Characters/Hen.tscn"), 1, 5, false, 0, INF, 1),
-	create(preload("res://components/Characters/Chick.tscn"), 0, 0, true, 8, INF, 4)
+	create(preload("res://components/Characters/Chick.tscn"), 0, 0, true, 1, INF, 4)
 ]
 
 static func create(

scripts/Statemachine/BossBar.gd

@@ -4,7 +4,9 @@ class_name BossBar
 @onready var nameLabel: Label = $"%name"
 @onready var valueLabel: Label = $"%value"
 
-func _physics_process(_delta):
+func _ready():
 	if is_instance_valid(entity):
 		nameLabel.text = entity.displayName
+func _process(_delta):
+	if is_instance_valid(entity):
 		valueLabel.text = "%.2f" % (entity.health / entity.fields[FieldStore.Entity.MAX_HEALTH] * 100)

scripts/Statemachine/EntityBase.gd

@@ -51,10 +51,10 @@ var inventoryMax = {
 @onready var animatree: AnimationTree = $"%animatree"
 @onready var texture: AnimatedSprite2D = $"%texture"
 @onready var hurtbox: Area2D = $"%hurtbox"
-@onready var statebar: EntityStateBar = $"%statebar"
 @onready var sounds: Node2D = $"%sounds"
 @onready var hurtAnimator: AnimationPlayer = $"%hurtAnimator"
 @onready var damageAnchor: Node2D = $"%damageAnchor"
+var statebar: EntityStateBar
 
 var health: float = 0
 @export var energy: float = 0
@@ -65,8 +65,13 @@ var lastAttack: int = 0
 var currentFocusedBoss: EntityBase = null
 
 func _ready():
+	var selfStatebar: EntityStateBar = $"%statebar"
+	if isBoss:
+		selfStatebar.hide()
+	else:
+		statebar = selfStatebar
+		statebar.entity = self
 	health = fields.get(FieldStore.Entity.MAX_HEALTH)
-	statebar.visible = !isBoss
 	if isPlayer():
 		UIState.player = self
 		hurtbox.body_entered.connect(
@@ -88,6 +93,14 @@ func _ready():
 		)
 	else:
 		currentFocusedBoss = get_tree().get_nodes_in_group("players")[0]
+	healthChanged.connect(
+		func(newHealth):
+			if is_instance_valid(statebar) or UIState.bossbar.entity == self:
+				if isBoss:
+					statebar = UIState.bossbar
+				statebar.healthBar.maxValue = fields.get(FieldStore.Entity.MAX_HEALTH)
+				statebar.healthBar.setCurrent(newHealth)
+	)
 	healthChanged.emit(health)
 	energyChanged.emit(energy)
 func _process(_delta):

scripts/Statemachine/EntityStateBar.gd

@@ -4,11 +4,3 @@ class_name EntityStateBar
 @export var entity: EntityBase
 
 @onready var healthBar: ColorBar = $"%health"
-
-func _ready():
-	if is_instance_valid(entity):
-		entity.healthChanged.connect(
-			func(health) -> void:
-				healthBar.maxValue = entity.fields.get(FieldStore.Entity.MAX_HEALTH)
-				healthBar.setCurrent(health)
-		)