How to unsubscribe from InputSystem event properly

Question

     private void Awake()
     {
         Controls.InputMap.Player.Charge.performed += Charge;
         Controls.InputMap.Player.Teleport.performed += Teleport;
     }
 
     private void Teleport(InputAction.CallbackContext context) => StartCoroutine(Teleport());
     private void Charge(InputAction.CallbackContext context) => StartCoroutine(Charge());
 
 
     private void OnDestroy()
     {
         print("destroyed");
         Controls.InputMap.Player.Charge.performed -= Charge;
         Controls.InputMap.Player.Teleport.performed -= Teleport;
     }

Every time I restart scene the console is full of MissingReferenceExceptions referenced to the InputSystem callbacks.

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Despite the fact I unsubscribe from this event in OnDestroy. How do I properly unsubscribe from this event?

Answer 1

Answer by MorrowporoSpm · May 17, 2022 at 02:48 PM

This link helped me:

https://forum.unity.com/threads/how-to-remove-and-inputaction-phase-callback.894601/

 private void doSomething(CallbackContext ctx)
 {
 // do the thing
 }
 
 //register
 action.started += doSomething;
 //unregsiter
 action.started -= doSomething;

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How to unsubscribe from InputSystem event properly

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