update

scripts/player/hud.gd

@@ -1,11 +1,20 @@
 extends CanvasLayer
 
+const GCD_TIME := 1.0
+
 @onready var health_bar: ProgressBar = $HealthBar
 @onready var shield_bar: ProgressBar = $ShieldBar
 @onready var respawn_label: Label = $RespawnTimer
 @onready var class_icon: Label = $AbilityBar/ClassIcon/Label
+@onready var ability_panels: Array = [
+  $AbilityBar/Ability1,
+  $AbilityBar/Ability2,
+  $AbilityBar/Ability3,
+  $AbilityBar/Ability4,
+  $AbilityBar/Ability5,
+]
 
-var player_node: Node = null
+var ability_labels: Array[String] = ["1", "2", "3", "4", "P"]
 
 func _ready() -> void:
   respawn_label.visible = false
@@ -15,6 +24,7 @@ func _ready() -> void:
   EventBus.player_respawned.connect(_on_player_respawned)
   EventBus.class_changed.connect(_on_class_changed)
   EventBus.respawn_tick.connect(_on_respawn_tick)
+  EventBus.cooldown_tick.connect(_on_cooldown_tick)
 
 func _on_health_changed(entity: Node, current: float, max_val: float) -> void:
   if entity.name == "Player":
@@ -41,3 +51,22 @@ func _on_class_changed(_player: Node, class_type: int) -> void:
     0: class_icon.text = "T"
     1: class_icon.text = "D"
     2: class_icon.text = "H"
+
+func _on_cooldown_tick(cooldowns: Array, max_cooldowns: Array, gcd_timer: float) -> void:
+  for i in range(min(ability_panels.size(), cooldowns.size())):
+    var panel: Panel = ability_panels[i]
+    var label: Label = panel.get_node("Label")
+    var overlay: ColorRect = panel.get_node("CooldownOverlay")
+    var cd: float = cooldowns[i]
+    var gcd: float = gcd_timer if i != 2 and i != 4 else 0.0
+    var active_cd: float = max(cd, gcd)
+    var max_cd: float = max_cooldowns[i] if max_cooldowns[i] > 0 else GCD_TIME
+
+    if active_cd > 0:
+      var ratio: float = clamp(active_cd / max_cd, 0.0, 1.0)
+      overlay.visible = true
+      overlay.anchor_bottom = ratio
+      label.text = str(ceil(active_cd))
+    else:
+      overlay.visible = false
+      label.text = ability_labels[i]