private void btnUse_Click(object sender, EventArgs e)
        {
            if (cmbItems.SelectedIndex != -1)
            {
                Potions selectedPotion = potions[cmbItems.SelectedIndex];

                //if potion is raising mp and str
                if (selectedPotion.Mp > 0 && selectedPotion.Str > 0)
                {
                    inventory.player.mp  = selectedPotion.Mp + inventory.player.mp;
                    inventory.player.str = selectedPotion.Str + inventory.player.str;
                    MessageBox.Show($"Your mp has been raised by {selectedPotion.Mp} and your str by {selectedPotion.Str} for {selectedPotion.Rounds} rounds!");
                    PotionRoundscs pot = new PotionRoundscs();
                    pot.currentRound = currentRound;
                    pot.potion       = selectedPotion;
                    potionRounds?.Invoke(this, pot);
                    for (int i = 0; i < inventory.playerItems.Count; i++)
                    {
                        if (inventory.playerItems[i] == selectedPotion)
                        {
                            inventory.playerItems.RemoveAt(i);
                        }
                    }
                }

                //if potion is raising Mp
                else if (selectedPotion.Mp > 0 && selectedPotion.Str < 0)
                {
                    inventory.player.mp = selectedPotion.Mp + inventory.player.mp;
                    MessageBox.Show($"Your mp has been raised by {selectedPotion.Mp}  for {selectedPotion.Rounds} rounds!");
                    PotionRoundscs pot = new PotionRoundscs();
                    pot.currentRound = currentRound;
                    pot.potion       = selectedPotion;
                    potionRounds?.Invoke(this, pot);
                    for (int i = 0; i < inventory.playerItems.Count; i++)
                    {
                        if (inventory.playerItems[i] == selectedPotion)
                        {
                            inventory.playerItems.RemoveAt(i);
                        }
                    }
                }

                //if potion is raising Str
                else if (selectedPotion.Str > 0 && selectedPotion.Mp < 0)
                {
                    inventory.player.str = selectedPotion.Str + inventory.player.str;
                    MessageBox.Show($"Your str has been raised by {selectedPotion.Str} for {selectedPotion.Rounds} rounds!");
                    PotionRoundscs pot = new PotionRoundscs();
                    pot.currentRound = currentRound;
                    pot.potion       = selectedPotion;
                    potionRounds?.Invoke(this, pot);
                    for (int i = 0; i < inventory.playerItems.Count; i++)
                    {
                        if (inventory.playerItems[i] == selectedPotion)
                        {
                            inventory.playerItems.RemoveAt(i);
                        }
                    }
                }

                //if potion is restoring health
                else if (selectedPotion.Health > 0)
                {
                    inventory.player.currenthp = inventory.player.currenthp + selectedPotion.Health;
                    if (inventory.player.currenthp > inventory.player.maxhp)
                    {
                        inventory.player.currenthp = inventory.player.maxhp;
                    }

                    MessageBox.Show($"You hp has been restore to {inventory.player.currenthp}!");
                    for (int i = 0; i < inventory.playerItems.Count; i++)
                    {
                        if (inventory.playerItems[i] == selectedPotion)
                        {
                            inventory.playerItems.RemoveAt(i);
                        }
                    }
                }
            }
            this.Close();
        }
 //event hand method for potion round tracker
 public void potionRounds(object sender, PotionRoundscs e)
 {
     pBuff      = e.potion;
     pBuffRound = e.currentRound;
     pActive    = true;
 }