package games.stendhal.server.maps.semos.city;
import games.stendhal.common.Rand;
import games.stendhal.server.core.engine.StendhalRPZone;
import games.stendhal.server.core.rp.StendhalRPAction;
import games.stendhal.server.entity.RPEntity;
import games.stendhal.server.entity.creature.Creature;
import games.stendhal.server.entity.creature.Sheep;
import games.stendhal.server.entity.npc.SpeakerNPC;
import games.stendhal.server.entity.npc.SpeakerNPCFactory;
import games.stendhal.server.entity.npc.behaviour.adder.BuyerAdder;
import games.stendhal.server.entity.npc.behaviour.impl.BuyerBehaviour;
import games.stendhal.server.entity.player.Player;
import games.stendhal.server.maps.semos.village.SheepSellerNPC;
import games.stendhal.server.util.Area;
import java.awt.geom.Rectangle2D;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import marauroa.common.game.RPObject;
/**
* A merchant (original name: Sato) who buys sheep from players.
*/
public class SheepBuyerNPC extends SpeakerNPCFactory {
// The sheep pen where Sato moves what he buys
/** Left X coordinate of the sheep pen */
private static final int SHEEP_PEN_X = 39;
/** Top Y coordinate of the sheep pen */
private static final int SHEEP_PEN_Y = 24;
/** Width of the sheep pen */
private static final int SHEEP_PEN_WIDTH = 16;
/** Height of the sheep pen */
private static final int SHEEP_PEN_HEIGHT = 6;
/**
* The maximum number of sheep Sato keeps in his sheep pen.
*/
private static final int MAX_SHEEP_IN_PEN = 10;
/** The area covering the sheep pen in Semos */
private Area pen;
@Override
public void createDialog(final SpeakerNPC npc) {
class SheepBuyerBehaviour extends BuyerBehaviour {
SheepBuyerBehaviour(final Map<String, Integer> items) {
super(items);
}
private int getValue(final Sheep sheep) {
return Math.round(getUnitPrice(chosenItemName) * ((float) sheep.getWeight() / (float) sheep.MAX_WEIGHT));
}
@Override
public int getCharge(final SpeakerNPC seller, final Player player) {
if (player.hasSheep()) {
final Sheep sheep = player.getSheep();
return getValue(sheep);
} else {
// npc's answer was moved to BuyerAdder.
return 0;
}
}
/**
* Get the area of the sheep pen where bought sheep
* should be moved.
*
* @param zone the zone of the sheep pen
* @return area of the sheep pen
*/
private Area getPen(StendhalRPZone zone) {
if (pen == null) {
Rectangle2D rect = new Rectangle2D.Double();
rect.setRect(SHEEP_PEN_X, SHEEP_PEN_Y, SHEEP_PEN_WIDTH, SHEEP_PEN_HEIGHT);
pen = new Area(zone, rect);
}
return pen;
}
/**
* Try to get rid of the big bad wolf that could have spawned in the pen,
* but miss it sometimes.
*
* @param zone the zone to check
*/
private void killWolves(StendhalRPZone zone) {
if (Rand.throwCoin() == 1) {
for (RPObject obj : zone) {
if (obj instanceof Creature) {
Creature wolf = (Creature) obj;
if ("wolf".equals(wolf.get("subclass")) && getPen(zone).contains(wolf)) {
wolf.delayedDamage(wolf.getHP(), "Sato");
return;
}
}
}
}
}
/**
* Get a list of the sheep in the pen.
*
* @param zone the zone to check
* @return list of sheep in the pen
*/
private List<Sheep> sheepInPen(StendhalRPZone zone) {
List<Sheep> sheep = new LinkedList<Sheep>();
Area pen = getPen(zone);
for (RPEntity entity : zone.getPlayerAndFriends()) {
if (entity instanceof Sheep) {
if (pen.contains(entity)) {
sheep.add((Sheep) entity);
}
}
}
return sheep;
}
/**
* Move a bought sheep to the den if there's space, or remove it
* from the zone otherwise. Remove old sheep if there'd be more
* than <code>MAX_SHEEP_IN_PEN</code> after the addition.
*
* @param sheep the sheep to be moved
*/
private void moveSheep(Sheep sheep) {
// The area of the sheed den.
int x = Rand.randUniform(SHEEP_PEN_X, SHEEP_PEN_X + SHEEP_PEN_WIDTH - 1);
int y = Rand.randUniform(SHEEP_PEN_Y, SHEEP_PEN_Y + SHEEP_PEN_HEIGHT - 1);
StendhalRPZone zone = sheep.getZone();
List<Sheep> oldSheep = sheepInPen(zone);
killWolves(zone);
/*
* Keep the amount of sheep reasonable. Sato's
* a business man and letting the sheep starve
* would be bad for busines.
*/
if (oldSheep.size() >= MAX_SHEEP_IN_PEN) {
// Sato sells the oldest sheep
zone.remove(oldSheep.get(0));
}
if (!StendhalRPAction.placeat(zone, sheep, x, y)) {
// there was no room for the sheep. Simply eat it
sheep.getZone().remove(sheep);
}
}
@Override
public boolean transactAgreedDeal(final SpeakerNPC seller, final Player player) {
// amount is currently ignored.
final Sheep sheep = player.getSheep();
if (sheep != null) {
if (seller.squaredDistance(sheep) > 5 * 5) {
seller.say("I can't see that sheep from here! Bring it over so I can assess it properly.");
} else if (getValue(sheep) < SheepSellerNPC.BUYING_PRICE) {
// prevent newbies from selling their sheep too early
seller.say("Nah, that sheep looks too skinny. Feed it with red berries, and come back when it has become fatter.");
} else {
seller.say("Thanks! Here is your money.");
payPlayer(seller, player);
player.removeSheep(sheep);
player.notifyWorldAboutChanges();
moveSheep(sheep);
return true;
}
} else {
seller.say("You don't have any sheep, " + player.getTitle() + "! What are you trying to pull?");
}
return false;
}
}
final Map<String, Integer> buyitems = new HashMap<String, Integer>();
buyitems.put("sheep", 150);
npc.addGreeting();
npc.addJob("I buy sheep here in Semos, then I send them up to Ados where they are exported.");
npc.addHelp("I purchase sheep, at what I think is a fairly reasonable price. Just say if you want to #sell #sheep, and I will set up a deal!");
new BuyerAdder().add(npc, new SheepBuyerBehaviour(buyitems), true);
npc.addGoodbye();
}
}
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