public void GainNewBuff(PlayerBuff newBuff, int stack)
 {
     if (CheckBuff(newBuff) == -1)
     {
         currentPlayerBuff.Add(newBuff);
         newBuff.ActivateBuff();
         newBuff.GainStack(stack - 1);
         UpdateBuffDisplay();
     }
     else
     {
         currentPlayerBuff[CheckBuff(newBuff)].GainStack(stack);
         UpdateBuffDisplay();
     }
 }