update

scenes/player/ability.gd

@@ -0,0 +1,9 @@
+extends Node
+
+@onready var player: CharacterBody3D = get_parent()
+
+func _unhandled_input(event: InputEvent) -> void:
+  for i in range(5):
+    if event.is_action_pressed("ability_%s" % (i + 1)):
+      EventBus.ability_use.emit(player, i)
+      return