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1
Question by Braza · Feb 02, 2020 at 11:34 PM · .netdebugger

My variable is in 2 states at the same time as per debugger

I'm seriously confused by the way MSVS presents things to me regarding my boolean var state. alt text

There's a button handler that triggers property change:

 GetComponent<Button>().onClick.AddListener(() => purchasableItem.Active = true); 

purchasableItem is a ScriptableObject;

     public bool Active
     {
         get
         {
             active = PlayerPrefs.GetInt(PrefName, prePurchased ? 1 : 0) != 0; 
             return active && Purchased;
         }
         set
         {
             active = value && Purchased;
             if (active)
             {
                 foreach(var e in mutuallyExlusiveWith)
                 {
                     e.Active = false;
                 }
             }
             PlayerPrefs.SetInt(PrefName, active ? 1 : 0);
             Raise(active);
         }
     }

And here's the tricky part for me. When I break at "set", it seems like active got equal "true" at line

 active = value && Purchased;

It even gets into the "true" branch of the condition below, BUT! if I unfold this variable in MSVS, then debugger starts showing active as false. And behave like it is false. What the?

alt text

truefalse.gif (16.5 kB)
truefalse.jpg (72.5 kB)
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avatar image JPhilipp · Feb 03, 2020 at 02:19 PM 0
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What debug values do you get when you ensure the variables can't change post-access (e.g. maybe Purchased is a get-set accessor which flips its bool state after get)?

 bool thisValue = value;
 bool thisPurchased = Purchased;
 active = thisValue && thisPurchased; // Are they still both true?

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Answer by Braza · Feb 03, 2020 at 06:52 PM

https://i.imgur.com/MsQJhwX.gif - the whole sequence. Once I inspect the internal structure of "this->base", active value is changed immediately right on the same line of code.

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