Wayback Machinekoobas.hobune.stream
May JUN Jul
Previous capture 14 Next capture
2021 2022 2023
2 captures
13 Jun 22 - 14 Jun 22
sparklines
Close Help
  • Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
  • Asset Store
  • Get Unity

UNITY ACCOUNT

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account
  • Blog
  • Forums
  • Answers
  • Evangelists
  • User Groups
  • Beta Program
  • Advisory Panel

Navigation

  • Home
  • Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
    • Blog
    • Forums
    • Answers
    • Evangelists
    • User Groups
    • Beta Program
    • Advisory Panel

Unity account

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account

Language

  • Chinese
  • Spanish
  • Japanese
  • Korean
  • Portuguese
  • Ask a question
  • Spaces
    • Default
    • Help Room
    • META
    • Moderators
    • Topics
    • Questions
    • Users
    • Badges
  • Home /
avatar image
0
Question by WI_ZzeR · Sep 02, 2021 at 12:38 PM · errornetworkingprefabfpserror-message

MLAPI error with two instances of networked object

I am having an error that I am having a lot of trouble understanding, it happens when the client player instantiates then spawns a prefab, for some reason the prefab can no longer access a parent camera but only when there are two or more players, otherwise it works without any issues. Here is the complete error i@3e3aef6aa0/Runtime/Spawning/NetworkSpawnManager.cs:292) MLAPI.Messaging.InternalMessageHandler:HandleAddObject(UInt64, Stream) (at Library/PackageCache/com.unity.multiplayer.mlapi@3e3aef6aa0/Runtime/Messaging/InternalMessageHandler.cs:270) MLAPI.NetworkManager:HandleIncomingData(UInt64, NetworkChannel, ArraySegment1, Single, Boolean) (at Library/PackageCache/com.unity.multiplayer.mlapi@3e3aef6aa0/Runtime/Core/NetworkManager.cs:982) MLAPI.NetworkManager:HandleRawTransportPoll(NetworkEvent, UInt64, NetworkChannel, ArraySegment`1, Single) (at Library/PackageCache/com.unity.multiplayer.mlapi@3e3aef6aa0/Runtime/Core/NetworkManager.cs:875) MLAPI.NetworkManager:OnNetworkEarlyUpdate() (at Library/PackageCache/com.unity.multiplayer.mlapi@3e3aef6aa0/Runtime/Core/NetworkManager.cs:683) MLAPI.NetworkManager:NetworkUpdate(NetworkUpdateStage) (at Library/PackageCache/com.unity.multiplayer.mlapi@3e3aef6aa0/Runtime/Core/NetworkManager.cs:641) MLAPI.NetworkUpdateLoop:RunNetworkUpdateStage(NetworkUpdateStage)"

it is happening since i coded this to allow theprefab to be instantiated over the network

 public class EquipWeapon : NetworkBehaviour
 {
     [SerializeField]GameObject weapon;
 
     [MLAPI.Messaging.ServerRpc]
     void EquipServerRpc(ulong playerId)
     {
         GameObject instantiatedWeapon = Instantiate(weapon, transform.Find("PlayerCamera").transform.Find("GunSocket"));
         instantiatedWeapon.GetComponent<NetworkObject>().SpawnWithOwnership(playerId);
         ulong weaponNetId = instantiatedWeapon.GetComponent<NetworkObject>().NetworkObjectId;
 
         EquipClientRpc(weaponNetId);
     }
     [MLAPI.Messaging.ClientRpc]
     void EquipClientRpc(ulong netId)
     {
         NetworkObject spawnedWeapon = NetworkSpawnManager.SpawnedObjects[netId];
 
         GameObject equippedItem = spawnedWeapon.gameObject;
         equippedItem.transform.localRotation = Quaternion.identity;
         equippedItem.transform.localPosition = Vector3.zero;
     }
     private void Update()
     {
         if (IsLocalPlayer)
         {
             if (Input.GetKeyDown(KeyCode.B))
             {
                 EquipServerRpc(NetworkManager.Singleton.LocalClientId);
             }
         }
     }
 }


However as I said this code works just fine in singleplayer, but with another player, as soon as the weapon spawns i get the error above and cannot spawn anymore of this weapon even for the other player. the error comes from this script which contains all the weapon stats:

 using System;
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using MLAPI;
 
 public class BaseWeaponScript : NetworkBehaviour
 {
 
     public float damage;
     public float magBullets;
     public float currentMagBullets;
     public float totalBullets;
     public float fireRate;
 
     [NonSerialized]public GameObject player;
     [NonSerialized]public Camera playerCamera;
     [NonSerialized]public Animator animator;
     
     void Awake()
     {
         player = transform.parent.parent.parent.parent.gameObject;
         playerCamera = transform.parent.parent.parent.gameObject.GetComponent<Camera>();
         animator = GetComponent<Animator>();
 
     }
 
 
 }

Sorry for the long question but i have been on this issue for a while now and just have no clue on what the actual issue is, thank you to anyone who can help.

Comment
Add comment · Show 1
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users
avatar image WI_ZzeR · Sep 02, 2021 at 12:41 PM 0
Share

this is the beginning of the error

NullReferenceException: Object reference not set to an instance of an object

BaseWeaponScript.Awake () (at Assets/Scripts/Weapons/BaseWeaponScript.cs:22) UnityEngine.Object:Instantiate(GameObject, Vector3, Quaternion) which seems like a normal error until developped where i see the rest of the error as seen above

0 Replies

· Add your reply
  • Sort: 

Your answer

Hint: You can notify a user about this post by typing @username

Up to 2 attachments (including images) can be used with a maximum of 524.3 kB each and 1.0 MB total.

Follow this Question

Answers Answers and Comments

270 People are following this question.

avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image

Related Questions

InvalidCastException when Instantiating with photon (PUN) 2 Answers

Receiving error"NullReferenceException: Object reference not set to an instance of an object clicktoDestroy.OnDestroy ()" 1 Answer

Check if a player has Network View 0 Answers

Why when I make a Networking first person game it controls the other person? 1 Answer

Frames Per Second Cost from Multiplayer? 1 Answer


Enterprise
Social Q&A

Social
Subscribe on YouTube social-youtube Follow on LinkedIn social-linkedin Follow on Twitter social-twitter Follow on Facebook social-facebook Follow on Instagram social-instagram

Footer

  • Purchase
    • Products
    • Subscription
    • Asset Store
    • Unity Gear
    • Resellers
  • Education
    • Students
    • Educators
    • Certification
    • Learn
    • Center of Excellence
  • Download
    • Unity
    • Beta Program
  • Unity Labs
    • Labs
    • Publications
  • Resources
    • Learn platform
    • Community
    • Documentation
    • Unity QA
    • FAQ
    • Services Status
    • Connect
  • About Unity
    • About Us
    • Blog
    • Events
    • Careers
    • Contact
    • Press
    • Partners
    • Affiliates
    • Security
Copyright © 2020 Unity Technologies
  • Legal
  • Privacy Policy
  • Cookies
  • Do Not Sell My Personal Information
  • Cookies Settings
"Unity", Unity logos, and other Unity trademarks are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S. and elsewhere (more info here). Other names or brands are trademarks of their respective owners.
  • Anonymous
  • Sign in
  • Create
  • Ask a question
  • Spaces
  • Default
  • Help Room
  • META
  • Moderators
  • Explore
  • Topics
  • Questions
  • Users
  • Badges