/** * Calculates how much of the given goods type this settlement wants and should retain. * * @param type The <code>GoodsType</code>. * @return The amount of goods wanted. */ protected int getWantedGoodsAmount(GoodsType type) { if (getUnitCount() <= 0) return 0; final Specification spec = getSpecification(); final UnitType unitType = getFirstUnit().getType(); final Role militaryRole = Role.getAvailableRoles(getOwner(), unitType, spec.getMilitaryRoles()).get(0); if (type.isMilitaryGoods()) { // Retain enough goods to fully arm. int need = 0; for (Unit u : ownedUnits) { if (u.getRole() == militaryRole) continue; List<AbstractGoods> required = u.getGoodsDifference(militaryRole, 1); need += AbstractGoods.getCount(type, required); } return need; } int consumption = getConsumptionOf(type); if (type == spec.getPrimaryFoodType()) { // Food is perishable, do not try to retain that much return Math.max(40, consumption * 3); } if (type.isTradeGoods() || type.isNewWorldLuxuryType() || type.isRefined()) { // Aim for 10 years supply, resupply is doubtful return Math.max(80, consumption * 20); } // Just keep some around return 2 * getUnitCount(); }