# file: global_rng.gd
extends Node

class_name RngUtility

# Underlying RandomNumberGenerator
var _rng: RandomNumberGenerator

func _ready():
		_rng = RandomNumberGenerator.new()
		randomize()
		print("Global RNG initialized with seed: ", _rng.seed)

# Set a specific seed for reproducible results
func set_seed(seed_value: int) -> void:
		_rng.seed = seed_value
		print("RNG seed set to: ", seed_value)

# Randomize the seed (for non-reproducible results)
func randomize() -> void:
		_rng.randomize()
		print("RNG seed randomized to: ", _rng.seed)

# Get the current seed value
func get_seed() -> int:
		return _rng.seed

# Get a random integer between min and max (inclusive)
func randi_range(min_value: int, max_value: int) -> int:
		return _rng.randi_range(min_value, max_value)

# Get a random float between 0.0 and 1.0
func randf() -> float:
		return _rng.randf()

func randi() -> int:
		return _rng.randi()

# Get a random float between min and max
func randf_range(min_value: float, max_value: float) -> float:
		return _rng.randf_range(min_value, max_value)

# Get a random normalized vector
func random_unit_vector() -> Vector2:
		return Vector2(randf_range(-1.0, 1.0), randf_range(-1.0, 1.0)).normalized()

# Get a random point inside a circle with radius 1
func random_point_in_circle() -> Vector2:
		var r = sqrt(randf())
		var theta = randf() * 2.0 * PI
		return Vector2(r * cos(theta), r * sin(theta))

# Get a random point inside a circle with specified radius
func random_point_in_circle_with_radius(radius: float) -> Vector2:
		return random_point_in_circle() * radius

# Get a random boolean value with specified probability
func random_bool(probability: float = 0.5) -> bool:
		return randf() < probability