extends Node
class_name BuildModeController

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	Signals.game_state_changed.connect(_on_game_state_changed)


func _on_game_state_changed(new_state: GameManager.GameState) -> void:
	print("BuildModeController: game_state_changed to %s" % GameManager.GameState.keys()[new_state])
	if new_state == GameManager.GameState.BUILDING:
		despawn_unheld_pickables()


# Despawn all food_items unless it's in a "persistent_inventory" snap_zone
func despawn_unheld_pickables():
	var root = get_tree().get_root()
	var pickables: Array[Node] = []
	_collect_pickables(root, pickables)
	for pickable in pickables:
		if not Helper.find_food_item(pickable):
			continue
		var held_by: Node = pickable.get_picked_up_by()
		if not held_by:
			NetworkManager.despawn_item(pickable)
			continue
		if not held_by.is_in_group("persistent_inventory"):
			print("BuildModeController despawn_unheld_pickables held_by: %s, pickable: %s " % [held_by, pickable])
			NetworkManager.despawn_item(pickable)
			

func _collect_pickables(node: Node, out_array: Array) -> void:
	if node is XRToolsPickable:
		out_array.append(node)
	for child in node.get_children():
		if child is Node:
			_collect_pickables(child, out_array)