update

systems/role_system.gd

@@ -0,0 +1,23 @@
+extends Node
+
+@export var tank_set: AbilitySet
+@export var damage_set: AbilitySet
+@export var healer_set: AbilitySet
+
+func _ready() -> void:
+  EventBus.role_change_requested.connect(_on_role_change_requested)
+  _apply_role.call_deferred(PlayerData.current_role)
+
+func _on_role_change_requested(_player: Node, role: int) -> void:
+  _apply_role(role)
+
+func _apply_role(role: int) -> void:
+  PlayerData.current_role = role
+  match role:
+    PlayerData.Role.TANK:
+      PlayerData.ability_set = tank_set
+    PlayerData.Role.DAMAGE:
+      PlayerData.ability_set = damage_set
+    PlayerData.Role.HEALER:
+      PlayerData.ability_set = healer_set
+  PlayerData.set_role(role)