extends Node2D
class_name BattleField

@export var commands: Node

var _ticker1 := 0.0

func _ready():
	if not commands:
		push_warning("No commands manager set to battlefield")

func _physics_process(delta):
	_ticker1 += delta
	if _ticker1 > 1.0:
		_ticker1 -= 1.0
		ticker("ticker1")

func ticker(group_name: String):
	get_tree().call_group_flags(SceneTree.GROUP_CALL_DEFERRED, group_name, "tick")

func _on_commands_changed(comms):
	get_tree().call_group("unit", "_on_commands_changed", comms)

func _on_child_entered_tree(node):
	if node is Unit:
		node.promoted.connect(_send_commands_to_unit.bind(node))
		_send_commands_to_unit(node)
		
func _send_commands_to_unit(unit: Unit):
	if commands:
		unit._on_commands_changed(commands.get_active())