---

extends CharacterBody3D

@export var SPEED: float = 12.0
@export var DASH_SPEED: float = 28.0
@export var ROTATION_SPEED: float = 3.0
@export var GRAVITY: float = 20.0

var is_dashing: bool = false
var dash_timer: float = 0.0
var dash_duration: float = 0.15

func _physics_process(delta: float) -> void:
	# 1. Гравитация
	if not is_on_floor():
		velocity.y -= GRAVITY * delta

	# 2. Поворот (A/D или Стрелки Влево/Вправо)
	var rotate_input: float = 0.0
	if Input.is_key_pressed(KEY_A) or Input.is_action_pressed("ui_left"):
		rotate_input += 1.0
	if Input.is_key_pressed(KEY_D) or Input.is_action_pressed("ui_right"):
		rotate_input -= 1.0
	
	rotate_y(rotate_input * ROTATION_SPEED * delta)

	# 3. Рывок (Shift)
	if Input.is_key_pressed(KEY_SHIFT):
		if not is_dashing:
			is_dashing = true
			dash_timer = dash_duration

	if is_dashing:
		dash_timer -= delta
		if dash_timer <= 0:
			is_dashing = false

	# 4. Движение вперед / назад (W/S или Стрелки Вверх/Вниз)
	var move_input: float = 0.0
	if Input.is_key_pressed(KEY_W) or Input.is_action_pressed("ui_up"):
		move_input -= 1.0 # В 3D Godot «вперед» — это -Z
	if Input.is_key_pressed(KEY_S) or Input.is_action_pressed("ui_down"):
		move_input += 1.0 # Назад — это +Z

	var current_speed = DASH_SPEED if is_dashing else SPEED
	
	# Направление с учетом поворота персонажа
	var direction = (transform.basis * Vector3(0, 0, move_input)).normalized()

	if move_input != 0.0:
		velocity.x = direction.x * current_speed
		velocity.z = direction.z * current_speed
	else:
		velocity.x = move_toward(velocity.x, 0, current_speed)
		velocity.z = move_toward(velocity.z, 0, current_speed)

	move_and_slide()