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class_name SelectionManager
extends Node
var selection_groups := {}
signal selected_group_changed
var selected_group := "":
set(value):
selected_group = value
selected_group_changed.emit()
func _ready() -> void:
pass
func change_selection_group_id(towers: Array[Tower], previous_id: String, new_id: String) -> void:
if new_id not in selection_groups:
selection_groups[new_id] = []
selection_groups[new_id].append_array(towers)
for tower in towers:
selection_groups[previous_id].erase(tower)
if selection_groups[previous_id].is_empty():
selection_groups.erase(previous_id)
if previous_id == selected_group:
selected_group = new_id
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