extends Node

@export var npc_visual_scene: PackedScene
@export var simulation_manager: Node
@export var active_npcs_parent: Node3D

var active_npc_visuals := {} # sim_id -> NPCVisual

func _ready() -> void:
	call_deferred("spawn_initial_npcs")

func spawn_initial_npcs() -> void:
	if simulation_manager == null:
		push_error("WorldViewManager: simulation_manager is missing")
		return

	if npc_visual_scene == null:
		push_error("WorldViewManager: npc_visual_scene is missing")
		return

	for npc in simulation_manager.npcs:
		spawn_npc_visual(npc)

func spawn_npc_visual(npc: SimNPC) -> void:
	if active_npc_visuals.has(npc.id):
		return

	var visual := npc_visual_scene.instantiate()
	active_npcs_parent.add_child(visual)

	visual.global_position = npc.position
	visual.setup_from_sim(npc)

	active_npc_visuals[npc.id] = visual