# GrassController.gd
extends Node3D
class_name GrassController

# 229379

var parent_node: GroundTile = null
var grass_density: float = 0.5
var grass_instance_range: int = 10

signal grass_data_ready()

func _ready() -> void:
	# Use call_deferred to ensure parent is fully ready
	call_deferred("_setup_connections")

func _setup_connections() -> void:
	parent_node = get_parent() as GroundTile
	if parent_node == null:
		Log.pr("Error: Parent node is not a GroundTile!")
		return
	
	parent_node.cell_info_updated.connect(_on_parent_data_changed)
	
	# Check if cell_info already exists and process it
	if parent_node.cell_info != null:
		_on_parent_data_changed(parent_node.cell_info)

func _on_parent_data_changed(value):
	if value == null:
		return
	
	grass_density = value.vegetation_density
	
	update_grass_density()

	grass_data_ready.emit()

func update_grass_density() -> void:
	if parent_node == null or parent_node.rng == null:
		return
	
	if grass_density > 0.8:
		grass_instance_range = parent_node.rng.randi_range(100, 500)
	elif grass_density > 0.6:
		grass_instance_range = parent_node.rng.randi_range(30, 50)
	elif grass_density > 0.3:
		grass_instance_range = parent_node.rng.randi_range(5, 20)
	else:
		grass_instance_range = parent_node.rng.randi_range(0, 1)