Package games.stendhal.server.entity.npc.behaviour.impl

Class MerchantBehaviour

java.lang.Object

games.stendhal.common.grammar.ItemParser

games.stendhal.server.entity.npc.behaviour.impl.Behaviour

games.stendhal.server.entity.npc.behaviour.impl.TransactionBehaviour

games.stendhal.server.entity.npc.behaviour.impl.MerchantBehaviour

Direct Known Subclasses:

BuyerBehaviour, OutfitChangerBehaviour, SellerBehaviour

public abstract class MerchantBehaviour
extends TransactionBehaviour

Represents the behaviour of a NPC who is able to either sell items to a player, or buy items from a player.

Field Summary

Fields

Modifier and Type	Field	Description
protected PriceCalculationStrategy	priceCalculator

Fields inherited from class games.stendhal.common.grammar.ItemParser

itemNames

Constructor Summary

Constructors

Constructor	Description
MerchantBehaviour()
MerchantBehaviour(Map<String,Integer> priceList)
MerchantBehaviour(Map<String,Integer> priceList, Float priceFactor)	Creates a new MerchantBehaviour with price list & price factor.

Method Summary

Modifier and Type	Method	Description
void	addConditions(SpeakerNPC merchant, Map<String,ChatCondition> conditions)	Adds a list of items that are dealt only if a condition is met.
Set<String>	dealtItems()	Returns a set of the names of all items that the NPC deals with.
int	getCharge(ItemParserResult res, Player player)	Returns the price of the desired amount of the chosen item.
Set<String>	getItemNames()
int	getUnitPrice(String item)	Returns the price of one unit of a given item.
boolean	hasItem(String item)	Checks whether the NPC deals with the specified item.

Methods inherited from class games.stendhal.server.entity.npc.behaviour.impl.TransactionBehaviour

transactAgreedDeal

Methods inherited from class games.stendhal.server.entity.npc.behaviour.impl.Behaviour

getRejectedTransactionAction, getTransactionCondition

Methods inherited from class games.stendhal.common.grammar.ItemParser

getErrormessage, parse

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

priceCalculator

protected PriceCalculationStrategy priceCalculator

Constructor Details

MerchantBehaviour

public MerchantBehaviour()

MerchantBehaviour

public MerchantBehaviour(Map<String,Integer> priceList)

MerchantBehaviour

public MerchantBehaviour(Map<String,Integer> priceList,
 Float priceFactor)

Creates a new MerchantBehaviour with price list & price factor.

Parameters:

priceList - List of item names and their prices.

priceFactor - Skews prices of all items for this merchant.

Method Details

dealtItems

public Set<String> dealtItems()

Returns a set of the names of all items that the NPC deals with.

Returns:

The dealt items.

hasItem

public boolean hasItem(String item)

Checks whether the NPC deals with the specified item.

Parameters:

item - The name of the item.

Returns:

true if the NPC deals with the item.

getUnitPrice

public int getUnitPrice(String item)

Returns the price of one unit of a given item.

Parameters:

item - the name of the item

Returns:

the unit price

getCharge

public int getCharge(ItemParserResult res,
 Player player)

Returns the price of the desired amount of the chosen item.

Parameters:

res -

player - The player who considers buying/selling

Returns:

The price; 0 if no item was chosen or if the amount is 0.

addConditions

public void addConditions(SpeakerNPC merchant,
 Map<String,ChatCondition> conditions)

Adds a list of items that are dealt only if a condition is met.

Parameters:

merchant - SpeakerNPC that is the merchant.

conditions - List of conditions to check item availability against.

getItemNames

public Set<String> getItemNames()

Overrides:

getItemNames in class ItemParser

Returns:

the recognized item names