Lots of little tweaks and fixes

overworld/entity/EntityInteractingArea.gd

@@ -22,11 +22,36 @@ func _exit_tree() -> void:
   self.area_entered.disconnect(_onAreaEntered)
   self.area_exited.disconnect(_onAreaExited)
 
+func _process(_delta:float) -> void:
+  if entity.movementType != Entity.MovementType.PLAYER:
+    return
+  if UI.INTERACT_INDICATOR and UI.INTERACT_INDICATOR.visible:
+    UI.INTERACT_INDICATOR.updateWorldPosition()
+
+func _getBestInteractable() -> Entity:
+  for area in interactableAreas:
+    if area.isInteractable():
+      return area.entity
+  return null
+
+func _updateIndicator() -> void:
+  if entity.movementType != Entity.MovementType.PLAYER:
+    return
+  if UI.INTERACT_INDICATOR == null:
+    return
+  var best:Entity = _getBestInteractable()
+  if best:
+    UI.INTERACT_INDICATOR.setEntity(best)
+  else:
+    UI.INTERACT_INDICATOR.clear()
+
 func _onAreaEntered(area:Area3D) -> void:
   if area is EntityInteractableArea:
     if area.entity == entity:
       return
     interactableAreas.append(area)
+    _updateIndicator()
 
 func _onAreaExited(area:Area3D) -> void:
   interactableAreas.erase(area)
+  _updateIndicator()