Update PlayerWeapon.cs to use SyncProperty to sync player's currentWeapon Index

PlayerWeapon.cs

using System.Collections;
using System.Collections.Generic;
using SWNetwork;
using UnityEngine;

public class PlayerWeapon : MonoBehaviour
{
    public int CurrentWeapon = 0;

    public List<Gun> Guns;

    Player player;

    NetworkID networkID;
    SyncPropertyAgent syncPropertyAgent;
    const string CURRENT_WEAPON = "CurrentWeapon";

    private void Start()
    {
        player = GetComponent<Player>();
        syncPropertyAgent = GetComponent<SyncPropertyAgent>();
        networkID = GetComponent<NetworkID>();

        if (networkID.IsMine)
        {
            for (int i = 0; i < Guns.Count; i++)
            {
                Guns[i].AssignIndex(i);
            }

            ActivateWeapon();
        }
    }

    void Update()
    {
        if (player.Dead || !networkID.IsMine)
        {
            return;
        }

        if (Input.GetKeyUp(KeyCode.Alpha1))
        {
            syncPropertyAgent.Modify(CURRENT_WEAPON, 0);
        }
        else if (Input.GetKeyUp(KeyCode.Alpha2))
        {
            syncPropertyAgent.Modify(CURRENT_WEAPON, 1);
        }

        if (Input.GetButton("Fire1"))
        {
            Guns[CurrentWeapon].Fire();
        }
    }

    public void ActivateWeapon()
    {
        CurrentWeapon = syncPropertyAgent.GetPropertyWithName(CURRENT_WEAPON).GetIntValue();

        for (int i = 0; i < Guns.Count; i++)
        {
            if (i == CurrentWeapon)
            {
                Guns[i].gameObject.SetActive(true);
            }
            else
            {
                Guns[i].gameObject.SetActive(false);
            }
        }
    }
}