static const WeaponSlots[] =
{
	0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10,
	10, 8, 8, 8, 0, 0, 0, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5,
	4, 6, 6, 7, 7, 7, 7, 8, 12, 9, 9, 9, 11, 11, 11
};

//Использование:
//Было

if(GetWeaponSlot(weaponid) == 7) //bla-bla-bla

//Стало

if(WeaponSlots[weaponid] == 7) //bla-bla-bla