/**
* 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();
}
/**
* Gets the amount of gold this <code>IndianSettlment</code> is willing to pay for the given
* <code>Goods</code>.
*
* <p>It is only meaningful to call this method from the server, since the settlement's {@link
* GoodsContainer} is hidden from the clients. The AI uses it though so it stays here for now.
* Note that it takes no account of whether the native player actually has the gold.
*
* <p>FIXME: this is rancid with magic numbers.
*
* @param type The type of <code>Goods</code> to price.
* @param amount The amount of <code>Goods</code> to price.
* @return The price.
*/
public int getPriceToBuy(GoodsType type, int amount) {
if (amount > GoodsContainer.CARGO_SIZE) {
throw new IllegalArgumentException("Amount > " + GoodsContainer.CARGO_SIZE);
}
int price = 0;
if (type.isMilitaryGoods()) {
// Might return zero if a surplus is present
price = getMilitaryGoodsPriceToBuy(type, amount);
}
if (price == 0) {
price = getNormalGoodsPriceToBuy(type, amount);
}
// Apply wanted bonus
final int wantedBase = 100; // Granularity for wanted bonus
final int wantedBonus // Premium paid for wanted goods types
=
(type == wantedGoods[0])
? 150
: (type == wantedGoods[1]) ? 125 : (type == wantedGoods[2]) ? 110 : 100;
// Do not simplify with *=, we want the integer truncation.
price = wantedBonus * price / wantedBase;
logger.finest("Full price(" + amount + " " + type + ")" + " -> " + price);
return price;
}
@Override
public int compare(Goods goods1, Goods goods2) {
int cmp;
GoodsType t1 = goods1.getType();
GoodsType t2 = goods2.getType();
cmp = (((t2.isNewWorldGoodsType()) ? 1 : 0) - ((t1.isNewWorldGoodsType()) ? 1 : 0));
if (cmp == 0) {
int a1 = Math.min(goods2.getAmount(), GoodsContainer.CARGO_SIZE);
int a2 = Math.min(goods1.getAmount(), GoodsContainer.CARGO_SIZE);
cmp = getPriceToSell(t2, a2) - getPriceToSell(t1, a1);
if (cmp == 0) {
cmp = a2 - a1;
}
}
return cmp;
}
/**
* Gets the amount of gold this <code>IndianSettlment</code> is willing to sell the given <code>
* Goods</code> for.
*
* <p>It is only meaningful to call this method from the server, since the settlement's {@link
* GoodsContainer} is hidden from the clients.
*
* @param type The type of <code>Goods</code> to price.
* @param amount The amount of <code>Goods</code> to price.
* @return The price.
*/
public int getPriceToSell(GoodsType type, int amount) {
if (amount > GoodsContainer.CARGO_SIZE) {
throw new IllegalArgumentException("Amount > " + GoodsContainer.CARGO_SIZE);
}
final int full = GOODS_BASE_PRICE + getType().getTradeBonus();
// Base price is purchase price plus delta.
// - military goods at double value
// - trade goods at +50%
int price = amount + Math.max(0, 11 * getPriceToBuy(type, amount) / 10);
if (type.isMilitaryGoods()) {
price = Math.max(price, amount * full * 2);
} else if (type.isTradeGoods()) {
price = Math.max(price, 150 * amount * full / 100);
}
return price;
}
/** {@inheritDoc} */
@Override
public int getImportAmount(GoodsType goodsType, int turns) {
if (goodsType.limitIgnored()) return Integer.MAX_VALUE;
int present = Math.max(0, getGoodsCount(goodsType) - turns * getTotalProductionOf(goodsType));
int capacity = getWarehouseCapacity();
return capacity - present;
}
/**
* Updates the goods wanted by this settlement.
*
* <p>It is only meaningful to call this method from the server, since the settlement's {@link
* GoodsContainer} is hidden from the clients.
*/
public void updateWantedGoods() {
final Specification spec = getSpecification();
final java.util.Map<GoodsType, Integer> prices = new HashMap<>();
for (GoodsType gt : spec.getGoodsTypeList()) {
// The natives do not trade military or non-storable goods.
if (gt.isMilitaryGoods() || !gt.isStorable()) continue;
prices.put(gt, getNormalGoodsPriceToBuy(gt, GoodsContainer.CARGO_SIZE));
}
int wantedIndex = 0;
for (Entry<GoodsType, Integer> e : mapEntriesByValue(prices, descendingIntegerComparator)) {
GoodsType goodsType = e.getKey();
if (e.getValue() <= GoodsContainer.CARGO_SIZE * TRADE_MINIMUM_PRICE
|| wantedIndex >= wantedGoods.length) break;
wantedGoods[wantedIndex] = goodsType;
wantedIndex++;
}
for (; wantedIndex < wantedGoods.length; wantedIndex++) {
wantedGoods[wantedIndex] = null;
}
}
/**
* Price some goods according to the amount present in the settlement.
*
* @param type The type of goods for sale.
* @param amount The amount of goods for sale.
* @return A price for the goods.
*/
private int getNormalGoodsPriceToBuy(GoodsType type, int amount) {
final int tradeGoodsAdd = 20; // Fake additional trade goods present
final int capacity = getGoodsCapacity();
int current = getGoodsCount(type);
// Increase effective stock if its raw material is produced here.
GoodsType rawType = type.getInputType();
if (rawType != null) {
int rawProduction = getMaximumProduction(rawType);
int add =
(rawProduction < 5)
? 10 * rawProduction
: (rawProduction < 10)
? 5 * rawProduction + 25
: (rawProduction < 20) ? 2 * rawProduction + 55 : 100;
// Decrease bonus in proportion to current stock, up to capacity.
add = add * Math.max(0, capacity - current) / capacity;
current += add;
} else if (type.isTradeGoods()) {
// Small artificial increase of the trade goods stored.
current += tradeGoodsAdd;
}
// Only interested in the amount of goods that keeps the
// total under the threshold.
int retain = Math.min(getWantedGoodsAmount(type), capacity);
int valued = (retain <= current) ? 0 : Math.min(amount, retain - current);
// Unit price then is maximum price plus the bonus for the
// settlement type, reduced by the proportion of goods present.
int unitPrice =
(GOODS_BASE_PRICE + getType().getTradeBonus()) * Math.max(0, capacity - current) / capacity;
// But farmed goods are always less interesting.
// and small settlements are not interested in building.
if (type.isFarmed() || type.isRawBuildingMaterial()) unitPrice /= 2;
// Only pay for the portion that is valued.
return (unitPrice < 0) ? 0 : valued * unitPrice;
}
/** {@inheritDoc} */
@Override
public int getTotalProductionOf(GoodsType type) {
if (type.isRefined()) {
if (type != goodsToMake()) return 0;
// Pretend 1/3 of the units present make the item with
// basic production of 3.
return getUnitCount();
}
int potential = 0;
int tiles = 0;
for (Tile workTile : getOwnedTiles()) {
if (workTile != getTile() && !workTile.isOccupied()) {
// FIXME: make unitType brave
potential += workTile.getPotentialProduction(type, null);
tiles++;
}
}
// When a native settlement has more tiles than units, pretend
// that they produce from their entire area at reduced
// efficiency.
if (tiles > getUnitCount()) {
potential *= (float) getUnitCount() / tiles;
}
// Raw production is too generous, apply a fudge factor to reduce it
// a bit for the non-food cases.
if (!type.isFoodType()) {
potential = (int) Math.round(potential * NATIVE_PRODUCTION_EFFICIENCY);
}
// But always add full potential of the center tile.
potential += getTile().getPotentialProduction(type, null);
return potential;
}
/**
* Chooses a type of goods for some of the natives in a settlement to manufacture. Simple rule:
* choose the refined goods that is the greatest shortage for which there is a surplus of the raw
* material.
*
* @return A <code>GoodsType</code> to manufacture, or null if none suitable.
*/
private GoodsType goodsToMake() {
GoodsType wantGoods = null;
int diff, wantAmount = -1;
for (GoodsType g : getSpecification().getGoodsTypeList()) {
GoodsType produced;
if (g.isRawMaterial()
&& (produced = g.getOutputType()) != null
&& !produced.isBreedable()
&& produced.isStorable()
&& getGoodsCount(g) > getWantedGoodsAmount(g)
&& (diff = getWantedGoodsAmount(produced) - getGoodsCount(produced)) > wantAmount) {
wantGoods = produced;
wantAmount = diff;
}
}
return wantGoods;
}
/**
* Will this settlement sell a type of goods. Placeholder until we have a spec-configured
* blacklist.
*
* @param type The <code>GoodsType</code> to consider.
* @return True if the settlement would sell the goods.
*/
public boolean willSell(GoodsType type) {
return !type.isTradeGoods();
}