/**
 * @brief Returns the amount of assigned items for a given slot of a given aircraft
 * @param[in] type This is the slot type to get the amount of assigned items for
 * @param[in] aircraft The aircraft to count the items for (may not be NULL)
 * @return The amount of assigned items for the given slot
 */
int AIR_GetSlotItems (aircraftSlotType_t type, aircraft_t *aircraft;)
{
	int i, cnt = 0;
	aircraftSlot_t *slot;

	assert(aircraft);

	switch (type) {
	case AIR_SLOT_WEAPONS:
		slot = aircraft->weapons;
		break;
	case AIR_SLOT_SHIELD:
		slot = aircraft->shield;
		break;
	}
	
	for (i = 0; i < MAX_AIRCRAFTSLOT; i++)
		if (slot[i].itemIdx >= 0)
			cnt++;

	return cnt;
}