Call Functions On Player From Canvas Elements In a Multiplayer Game

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So I was originally using the singleton idea to call functions on the player but then I quickly realized that that wouldn't work in an online multiplayer setting, so how do I go about trying to call functions from buttons and sliders on the canvas?

Answer 1

Answer by ooblii · Sep 05, 2017 at 01:38 AM

One way might be to have a singleton GameManager class cache a reference to the local player’s gameObject (I’m assuming you only want the button to affect the local player), then use that reference in whatever class is handling your UI methods.

 public void OnButtonClick()
 {
         GameManager.Instance.LocalPlayer.GetComponent<SomeClass>().DoSomet$$anonymous$$ng();
 }

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silverxah · Sep 13, 2017 at 12:42 AM 0

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Well I managed to get it working in a multiple camera setup (each player has their own child camera) by having the singleton methods inherit from NetworkBehaviour, but when I switched to using a single camera (having a single main camera and having that camera follow the local player) set up, the whole thing stopped working so I guess I'll try use the GameManager cache method. Thanks!

silverxah · Sep 13, 2017 at 04:34 AM 0

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Quick question, some of my button's open up other options (basically setting inactive/active certain panels) and that seems to be the part that is not working working for the singleton methods. How would I do this via a GameManager Instance?

 public class MobileGuiController : NetworkBehaviour
 {
 
     public Button camMode;
 
     public Button cutMode;
 
 
 
     public GameObject camControls;
 
     public GameObject cutControls;
 
     public static MobileGuiController singleton = null;
 
     void Awake()
     {
         if (singleton != null)
         {
             Destroy(gameObject);
             return;
         }
 
         singleton = this;
         DontDestroyOnLoad(this);
     }
 }

 public class MobileGui : NetworkBehaviour
 {
     //why does this not work when i'm not host
 
     // Use this for initialization
 
     private MobileGuiController control;
 
 
     private Button camMode;
 
     private Button cutMode;
 
 
     private GameObject camControls;
 
     private GameObject cutControls;
 
  void Start()
     {
         //#if (UNITY_IOS || UNITY_ANROID) //temporarily disabled preprocessing checking for testing, re-enable when building to mobile
         control = MobileGuiController.singleton;
 
         camMode = control.camMode;
         camMode.onClick.AddListener(() => ToggleCamMode());
        
 
         cutMode = control.cutMode;
         cutMode.onClick.AddListener(() => ToggleCutMode());
 
         camControls = control.camControls;
         cutControls = control.cutControls;
 }
 public void ToggleCamMode()
     {
         mode = 1;
         mode2 = mode;
         camControls.SetActive(!camControls.activeSelf);
     }
 
     public void ToggleCutMode()
     {
         mode = 2;
         mode2 = mode;
         cutControls.SetActive(!cutControls.activeSelf);
     }
 }

ooblii silverxah · Sep 13, 2017 at 02:11 PM 0

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This seems a little redundant. Why not put your two toggle methods in your MobileGuiController? If the MobileGuiController class is attached to your main canvas, the canvas will survive scene changes and you can hook up your OnClick listeners in the editor.

Call Functions On Player From Canvas Elements In a Multiplayer Game

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