extends CharacterBody3D

@onready var camera_mount = $camera_mount
@onready var animation_player = $visual/RoundChar/AnimationPlayer
@onready var visual = $visual

const JUMP_VELOCITY = 4.5

@export var SPEED = 5.0
@export var sens_horizontal = 0.2
@export var sens_vertical = 0.2

# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")

func _ready():
    Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
    animation_player.speed_scale = 2


func _input(event):
    if event is InputEventMouseMotion:
        var yToRotate = event.relative.x * sens_horizontal
        rotate_y(deg_to_rad(-yToRotate))
        visual.rotate_y(deg_to_rad(yToRotate))
        camera_mount.rotate_x(deg_to_rad(-event.relative.y * sens_vertical))


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

    # Handle jump.
    if Input.is_action_just_pressed("ui_accept") and is_on_floor():
        velocity.y = JUMP_VELOCITY

    # Get the input direction and handle the movement/deceleration.
    # As good practice, you should replace UI actions with custom gameplay actions.
    var input_dir = Input.get_vector("left", "right", "forward", "backward")
    var direction = (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
    if direction:
        play_anim("Run")
        visual.look_at(position + direction)
        velocity.x = direction.x * SPEED
        velocity.z = direction.z * SPEED
    else:
        play_anim("Idle")
        velocity.x = move_toward(velocity.x, 0, SPEED)
        velocity.z = move_toward(velocity.z, 0, SPEED)

    move_and_slide()


func play_anim(anim_name: String):
    if (animation_player.current_animation != anim_name):
        animation_player.play(anim_name)