extends CharacterBody3D
class_name Player


@export var input_accel: float = 7.0
@onready var current_input_accel = input_accel

@onready var gravity_accel: Vector3 = ProjectSettings.get_setting("physics/3d/default_gravity") * ProjectSettings.get_setting("physics/3d/default_gravity_vector")
@export var jump_impulse: Vector3 = Vector3.UP * 5;
@export var friction: float = 0.8

@export var max_jumps = 1
@onready var current_jumps = max_jumps

@export var collision_normal_max_y_for_floor: float = 0.9

var last_direction: Vector2 = Vector2.UP


func refill_jumps():
	current_jumps = max_jumps


func do_jump():
	current_jumps -= 1
	velocity += jump_impulse



func _physics_process(delta):
	# Refilla salto
	if is_on_floor():
		refill_jumps()
	
	# Rileva salto
	if Input.is_action_just_pressed("jump") and current_jumps > 0:
		do_jump()
	
	# Applica gravità
	velocity += gravity_accel * delta

	# Applica input
	var input_dir = Input.get_vector("move_left", "move_right", "move_up", "move_down")
	var input_change = input_dir * input_accel
	velocity.x += input_change.x * delta
	velocity.z += input_change.y * delta

	move_and_slide()
	
	if input_dir.length() > 0.01:
		last_direction = input_dir
		$Board/PlayerPart.emitting = true
	else:
		$Board/PlayerPart.emitting = false

	rotation.y = last_direction.normalized().angle_to(Vector2.UP)
	
	# Gestisci collisioni
	for collision_idx in range(get_slide_collision_count()):
		var collision = get_slide_collision(collision_idx)
		if collision.get_normal().y > collision_normal_max_y_for_floor:
			continue
		print("bonk")