Team Score syncing

Unity Engine
1

Im trying to make a team multiplayer death match. but i’m having a problem with the score part
in my player() class i have die() method and i want to call scoremanager method which contain add teamscore.
the score never updated.

private void Die()
{

isDead = true;

for (int i = 0; i < disableOnDeath.Length; i++)
{
disableOnDeath*.enabled = false;*
}
Collider _col = GetComponent();
if (_col != null)
_col.enabled = false;
Debug.Log(transform.name + " is DEAD!");
GameObject _GraphicInstance = (GameObject)Instantiate(DeathEffect, transform.position, Quaternion.identity);
Destroy(_GraphicInstance, 3f);
StartCoroutine(Respawn());
//score.AddTeamScore(1);
}
the score manager i make is like this
public class ScoreManager : NetworkBehaviour {
[SyncVar]
public int TeamRedScore=0;
public int TeamBlueScore=0;

public void AddTeamScore(int x)
{
TeamBlueScore += x;
Debug.Log("Blue + 1 ");
}
}

2

Make sure it’s called on server.
Make sure your variables are marked as SyncVars.
Don’t touch SyncVars on client.

If it still doesn’t work - post your whole code using code tag;

3 
public class Player : NetworkBehaviour
{

    [SyncVar]
    private bool _isDead = false;
    public bool isDead
    {
        get { return _isDead; }
        protected set { _isDead = value; }
    }

    [SerializeField]
    private int maxHealth = 100;

    [SyncVar(hook = "OnChangeHealth")]
    private int currentHealth;



    [SyncVar]
    private int currentHealth2;

    public RectTransform healthbar;

    [SerializeField]
    private Behaviour[] disableOnDeath;
    private bool[] wasEnabled;

    [SerializeField]
    private GameObject DeathEffect;
    private ScoreManager score;


    public void Setup()
    {
        wasEnabled = new bool[disableOnDeath.Length];
        for (int i = 0; i < wasEnabled.Length; i++)
        {
            wasEnabled[i] = disableOnDeath[i].enabled;
        }
       
        SetDefaults();
    }

    void Update()
    {
        if (!isLocalPlayer)
            return;
        else
        {
            //foreach (GameObject obj in myNetwork.team1)
            //{
            //    if (myplayer == obj)
            //    {
            //        Debug.Log("TEAM 1 BABY");
            //        team = "1";
            //    }
            //}
        }
        if (Input.GetKeyDown(KeyCode.K))
        {
            RpcTakeDamage(99999);
        }
    }

   
    public void RpcTakeDamage(int _amount)
    {
        if (!isServer)
        {
            return;
        }
        if (isDead)
            return;

        currentHealth -= _amount;

        Debug.Log(transform.name + " now has " + currentHealth + " health.");

        currentHealth2 = currentHealth;
        if (currentHealth <= 0)
        {
           
            Die();
           
        }

    }

    void OnChangeHealth(int health)
    {
        healthbar.sizeDelta = new Vector2(health, healthbar.sizeDelta.y);

    }

    [ClientRpc]
    public void RpcHealDamage(int _amount)
    {

        if (currentHealth < maxHealth)
        {
            if (currentHealth + _amount > 100)
            {
                currentHealth = 100;
            }
            currentHealth += _amount;
            currentHealth2 = currentHealth;
            Debug.Log(transform.name + " now has " + currentHealth + " health." + GetHealthPct());
        }

        return;

    }

    private void Die()
    {

        isDead = true;
       
        for (int i = 0; i < disableOnDeath.Length; i++)
        {
            disableOnDeath[i].enabled = false;
        }

        Collider _col = GetComponent<Collider>();
        if (_col != null)
            _col.enabled = false;

        Debug.Log(transform.name + " is DEAD!");

        GameObject _GraphicInstance = (GameObject)Instantiate(DeathEffect, transform.position, Quaternion.identity);
        Destroy(_GraphicInstance, 3f);
        StartCoroutine(Respawn());


        score.AddTeamScore(1);
    }

   
    private IEnumerator Respawn()
    {
        yield return new WaitForSeconds(GameManager.instance.matchSettings.respawnTime);

        SetDefaults();
        Transform _spawnPoint = NetworkManager.singleton.GetStartPosition();
        transform.position = _spawnPoint.position;
        transform.rotation = _spawnPoint.rotation;

        Debug.Log(transform.name + " respawned.");
    }

    public void SetDefaults()
    {
        isDead = false;

        currentHealth = maxHealth;
        currentHealth2 = currentHealth;
        for (int i = 0; i < disableOnDeath.Length; i++)
        {
            disableOnDeath[i].enabled = wasEnabled[i];
        }

        Collider _col = GetComponent<Collider>();
        if (_col != null)
            _col.enabled = true;
    }

    public float GetHealthPct()
    {
        return (float)currentHealth2 / maxHealth ;
    }

}

That is my player code
and i want to call the scoremanager addteamscore when Die()method is called

public class ScoreManager : NetworkBehaviour {

    [SyncVar]
    public int TeamRedScore=0;
    public int TeamBlueScore=0;
   
    [Server]
    public void AddTeamScore(int x)
    {
        TeamBlueScore += x;
        Debug.Log("Blue + 1 ");

    }
}

but everytime the player die
this error show up
NullReferenceException: Object reference not set to an instance of an object
Player.Die () (at Assets/Scripts/Player.cs:140)

4

should i put the score manager outside player prefab or not?

5

I think it should be a rather single object in the scene. Not on prefab.