extends CharacterBody3D

@export var move_speed: float = 6.0
@export var mouse_sensitivity: float = 0.002
@export var jump_velocity: float = 4.5

@onready var camera_pivot: Node3D = $CameraPivot

var gravity: float = ProjectSettings.get_setting("physics/3d/default_gravity")

func _ready():
	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)

func _unhandled_input(event):
	if event is InputEventMouseMotion:
		# Horizontal look
		rotate_y(-event.relative.x * mouse_sensitivity)

		# Vertical look
		camera_pivot.rotate_x(-event.relative.y * mouse_sensitivity)
		camera_pivot.rotation.x = clamp(
			camera_pivot.rotation.x,
			deg_to_rad(-80),
			deg_to_rad(80)
		)

func _physics_process(delta):
	# Gravity
	if not is_on_floor():
		velocity.y -= gravity * delta

	# Jump
	if Input.is_action_just_pressed("jump") and is_on_floor():
		velocity.y = jump_velocity

	# Movement input
	var input_dir = Vector2(
		Input.get_action_strength("move_right") - Input.get_action_strength("move_left"),
		Input.get_action_strength("move_backward") - Input.get_action_strength("move_forward")
	)

	var direction = (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()

	if direction:
		velocity.x = direction.x * move_speed
		velocity.z = direction.z * move_speed
	else:
		velocity.x = move_toward(velocity.x, 0, move_speed)
		velocity.z = move_toward(velocity.z, 0, move_speed)

	move_and_slide()