class_name Player
extends CharacterBody3D

const MOVE_SPEED: float = 10
const MOVE_ACCELERATION: float = 100
const MOVE_DECELERATION: float = 50

const FALL_SPEED: float = 20
const FALL_ACCELERATION: float = 25

@export var _respawn_height: float = -5

var _respawn_point: Vector3


func _ready() -> void:
	_respawn_point = global_position
	Referencer.player = self


func _process(_delta: float) -> void:
	_process_respawning()


func _physics_process(delta: float) -> void:
	if not is_multiplayer_authority():
		return

	_lateral_movement(delta)
	_vertical_movement(delta)

	move_and_slide()


func _process_respawning() -> void:
	if global_position.y < _respawn_height:
		global_position = _respawn_point
		velocity = Vector3.ZERO


func _lateral_movement(delta: float) -> void:
	var input_dir := Input.get_vector(
		"move_left", "move_right", "move_up", "move_down"
	)
	var has_input := input_dir.length() > 0

	if has_input:
		var direction := (
			(transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
		)
		var new_velocity := (direction * MOVE_SPEED).rotated(
			Vector3.UP, Referencer.main_camera.rotation.y
		)
		new_velocity.y = velocity.y
		velocity = velocity.move_toward(new_velocity, MOVE_ACCELERATION * delta)
	else:
		var new_velocity := Vector3.ZERO
		new_velocity.y = velocity.y
		velocity = velocity.move_toward(new_velocity, MOVE_DECELERATION * delta)


func _vertical_movement(delta: float) -> void:
	if not is_on_floor():
		var new_velocity := velocity
		new_velocity.y = -FALL_SPEED
		velocity = velocity.move_toward(new_velocity, FALL_ACCELERATION * delta)
	else:
		velocity.y = 0