player.gd

extends CharacterBody3D

@onready var camera_3d = $Eyes
@onready var hold_point = $Eyes/HoldPoint
@onready var hold_check = $Eyes/HoldCheck


@export var sens = 0.25

const SPEED = 5.0
const JUMP_VELOCITY = 4.5

var held_obj : RigidBody3D;
var held_parent;

# 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


func _input(event):
    if event is InputEventMouseMotion:
        rotate_y(-deg_to_rad(event.relative.x) * sens)
        camera_3d.rotate_x(-deg_to_rad(event.relative.y) * sens)
        camera_3d.rotation.x = clamp(camera_3d.rotation.x, deg_to_rad(-90), deg_to_rad(90))

func to_positive_radians(vec: Vector3) -> Vector3:
    return Vector3(
        vec.x,
        fmod(vec.y, TAU) + (TAU if vec.y < 0.0 else 0.0),
        vec.z
    )


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

    # Handle jump.
    if Input.is_action_just_pressed("action_jump") 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("move_left", "move_right", "move_forward", "move_back")
    var direction = (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
    if direction:
        velocity.x = direction.x * SPEED
        velocity.z = direction.z * SPEED
    else:
        velocity.x = move_toward(velocity.x, 0, SPEED)
        velocity.z = move_toward(velocity.z, 0, SPEED)

    if Input.is_action_just_pressed("action_pickup"):
        if hold_check.get_collider() and hold_check.get_collider() is RigidBody3D and hold_check.get_collider().mass <= 50:
            held_obj = hold_check.get_collider()
            held_parent = held_obj.get_parent()

    if held_obj:
        held_obj.linear_velocity = (hold_point.global_position - held_obj.global_position) * 10
        held_obj.angular_velocity = (hold_point.global_rotation - held_obj.global_rotation) * 10

    if Input.is_action_just_released("action_pickup"):
        if held_obj:
            held_obj.sleeping = false
            held_obj = null

    move_and_slide()