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This question was closed Aug 05, 2019 at 01:03 PM by alexlem_17 for the following reason:

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Question by alexlem_17 · Aug 05, 2019 at 10:14 AM · c#errorerror message

Stuck with - Invalid Cast Exception

Hello,

I'm currently stuck with an issue and cannot seem to find an answer, any help would be great.

I keep getting "InvalidCastException: Specified cast is not valid" with my buffing system.

Error from line: healOverTime = (HealOverTime)buff;

 private HealOverTime healOverTime;
 
         public HealOverTimeBuff(float duration, ScriptableBuff buff, GameObject obj, float tickRate) : base(duration, buff, obj, tickRate)
         {
             this.character = obj.GetComponent<Character>();
             if (this.character == null)
             {
                 End();
                 return;
             }
             healOverTime = (HealOverTime)buff;
         }


HealOverTime inherits from ScriptableBuff class.

Thanks!

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Answer by LEDWORKS · Aug 05, 2019 at 12:34 PM

The value you are passing in for 'buff' must not be a HealOverTime, given that your parameter is ScriptableBuff it sugests that you want to pass in objects that are not of type HealOverTime so you need to check that it is that type before casting to avoid exceptions using if (buff.GetType() == typeof(healOverTime))

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avatar image alexlem_17 · Aug 05, 2019 at 01:02 PM 0
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Thanks for the reply, I finally found the issue which was just a silly error from my half and not to do with the casting, which works fine.

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