update

scripts/components/healthbar.gd

@@ -0,0 +1,40 @@
+extends Sprite3D
+
+@onready var viewport: SubViewport = $SubViewport
+@onready var health_bar: ProgressBar = $SubViewport/HealthBar
+@onready var border: ColorRect = $SubViewport/Border
+@onready var health: Node = get_parent().get_node("Health")
+@onready var parent_node: Node = get_parent()
+
+var shield: Node = null
+var shield_bar: ProgressBar = null
+var style_normal: StyleBoxFlat
+var style_aggro: StyleBoxFlat
+
+func _ready() -> void:
+  texture = viewport.get_texture()
+  health_bar.max_value = health.max_health
+  shield = get_parent().get_node_or_null("Shield")
+  shield_bar = $SubViewport.get_node_or_null("ShieldBar")
+  if shield and shield_bar:
+    shield_bar.max_value = shield.max_shield
+  elif shield_bar:
+    shield_bar.visible = false
+  border.visible = false
+  style_normal = health_bar.get_theme_stylebox("fill").duplicate()
+  style_aggro = style_normal.duplicate()
+  style_aggro.bg_color = Color(0.2, 0.4, 0.9, 1)
+  EventBus.target_changed.connect(_on_target_changed)
+
+func _process(_delta: float) -> void:
+  health_bar.value = health.current_health
+  if shield and shield_bar:
+    shield_bar.value = shield.current_shield
+  var player: Node = get_tree().get_first_node_in_group("player")
+  if player and "target" in parent_node and parent_node.target == player:
+    health_bar.add_theme_stylebox_override("fill", style_aggro)
+  else:
+    health_bar.add_theme_stylebox_override("fill", style_normal)
+
+func _on_target_changed(_player: Node, target: Node) -> void:
+  border.visible = (target == get_parent())

scripts/components/healthbar.gd.uid

@@ -0,0 +1 @@
+uid://d1w7vm7t3k3ts