public static void UseItem(IPokemon pokemon, int itemId)
{
switch (itemId)
{
case 1: //potion
pokemon.Heal(20);
break;
case 2: // FullHeal
pokemon.Condition = 0;
break;
case 3: // super potion
pokemon.Heal(50);
break;
case 4: // Attack X
pokemon.StatModifierStages[0] += 2;
break;
}
}