TradeHandler logic

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Johannes Schmelz 2024-11-15 03:19:48 +01:00
parent e59ab4a320
commit 3bdfd6a78a

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@ -1,5 +1,183 @@
package pp.monopoly.model; package pp.monopoly.model;
import pp.monopoly.game.server.Player;
import pp.monopoly.model.fields.PropertyField;
import java.util.List;
/**
* Helper class that handles the trade logic between two players.
* Manages trade initiation, validation, acceptance, and rejection involving multiple properties, money, and jail cards.
*/
public class TradeHandler { public class TradeHandler {
/**
* Initiates a trade offer between two players involving properties, money, and jail cards.
*
* @param sender the Player who is initiating the trade
* @param receiver the Player who is the target of the trade offer
* @param offeredAmount the amount of money the sender offers
* @param offeredProperties the list of properties the sender offers
* @param offeredJailCards the number of jail cards the sender offers
* @param requestedAmount the amount of money the sender requests from the receiver
* @param requestedProperties the list of properties the sender requests from the receiver
* @param requestedJailCards the number of jail cards the sender requests from the receiver
* @return true if the trade offer is valid and initiated, false otherwise
*/
public boolean initiateTrade(Player sender, Player receiver, int offeredAmount, List<PropertyField> offeredProperties,
int offeredJailCards, int requestedAmount, List<PropertyField> requestedProperties, int requestedJailCards) {
// Validate the trade offer
if (!validateTrade(sender, offeredAmount, offeredProperties, offeredJailCards, receiver, requestedAmount, requestedProperties, requestedJailCards)) {
System.out.println("Trade offer is invalid.");
return false;
}
// Notify the receiver about the trade offer (this would be an actual message in a real implementation)
System.out.println("Trade offer initiated by " + sender.getName() + " to " + receiver.getName());
return true;
}
/**
* Accepts the trade offer and completes the trade between two players.
*
* @param sender the Player who initiated the trade
* @param receiver the Player who accepted the trade
* @param offeredAmount the amount of money to transfer from the sender to the receiver
* @param offeredProperties the list of properties to transfer from the sender to the receiver
* @param offeredJailCards the number of jail cards to transfer from the sender to the receiver
* @param requestedAmount the amount of money to transfer from the receiver to the sender
* @param requestedProperties the list of properties to transfer from the receiver to the sender
* @param requestedJailCards the number of jail cards to transfer from the receiver to the sender
*/
public void acceptTrade(Player sender, Player receiver, int offeredAmount, List<PropertyField> offeredProperties,
int offeredJailCards, int requestedAmount, List<PropertyField> requestedProperties, int requestedJailCards) {
// Transfer money
sender.earnMoney(-offeredAmount); // Deduct money from the sender
receiver.earnMoney(offeredAmount); // Add money to the receiver
receiver.earnMoney(-requestedAmount); // Deduct money from the receiver
sender.earnMoney(requestedAmount); // Add money to the sender
// Transfer ownership of the properties from sender to receiver
if (offeredProperties != null) {
for (PropertyField property : offeredProperties) {
transferProperty(sender, receiver, property);
}
}
// Transfer ownership of the properties from receiver to sender
if (requestedProperties != null) {
for (PropertyField property : requestedProperties) {
transferProperty(receiver, sender, property);
}
}
// Transfer jail cards
transferJailCards(sender, receiver, offeredJailCards);
transferJailCards(receiver, sender, requestedJailCards);
System.out.println("Trade accepted. " + sender.getName() + " and " + receiver.getName() + " completed the trade.");
}
/**
* Rejects the trade offer.
*
* @param receiver the Player who is rejecting the trade
*/
public void rejectTrade(Player receiver) {
System.out.println("Trade rejected by " + receiver.getName());
}
/**
* Validates a trade offer by checking if the sender and receiver own the properties involved,
* have sufficient funds for the money involved in the trade, and have enough jail cards.
*
* @param sender the Player initiating the trade
* @param offeredAmount the amount of money the sender is offering
* @param offeredProperties the list of properties the sender is offering
* @param offeredJailCards the number of jail cards the sender is offering
* @param receiver the Player receiving the trade offer
* @param requestedAmount the amount of money the sender is requesting
* @param requestedProperties the list of properties the sender is requesting from the receiver
* @param requestedJailCards the number of jail cards the sender is requesting from the receiver
* @return true if the trade offer is valid, false otherwise
*/
private boolean validateTrade(Player sender, int offeredAmount, List<PropertyField> offeredProperties, int offeredJailCards,
Player receiver, int requestedAmount, List<PropertyField> requestedProperties, int requestedJailCards) {
// Check if sender has enough money to offer
if (sender.getAccountBalance() < offeredAmount) {
System.out.println("Sender does not have enough balance to make this offer.");
return false;
}
// Check if receiver has enough money to offer
if (receiver.getAccountBalance() < requestedAmount) {
System.out.println("Receiver does not have enough balance to fulfill requested amount.");
return false;
}
// Check if sender owns all the offered properties
if (offeredProperties != null) {
for (PropertyField property : offeredProperties) {
if (!sender.getProperties().contains(property)) {
System.out.println("Sender does not own the property " + property.getName() + " being offered.");
return false;
}
}
}
// Check if receiver owns all the requested properties
if (requestedProperties != null) {
for (PropertyField property : requestedProperties) {
if (!receiver.getProperties().contains(property)) {
System.out.println("Receiver does not own the property " + property.getName() + " requested.");
return false;
}
}
}
// Check if sender has enough jail cards to offer
if (sender.getNumJailCard() < offeredJailCards) {
System.out.println("Sender does not have enough jail cards to offer.");
return false;
}
// Check if receiver has enough jail cards to fulfill the request
if (receiver.getNumJailCard() < requestedJailCards) {
System.out.println("Receiver does not have enough jail cards to fulfill the request.");
return false;
}
return true;
}
/**
* Transfers a property from one player to another.
*
* @param from the Player transferring the property
* @param to the Player receiving the property
* @param property the PropertyField being transferred
*/
private void transferProperty(Player from, Player to, PropertyField property) {
from.sellProperty(property);
to.buyProperty(property);
property.setOwner(to); // Update the property's owner
System.out.println("Property " + property.getName() + " transferred from " + from.getName() + " to " + to.getName());
}
/**
* Transfers jail cards between players.
*
* @param from the Player transferring jail cards
* @param to the Player receiving jail cards
* @param numCards the number of jail cards to transfer
*/
private void transferJailCards(Player from, Player to, int numCards) {
for (int i = 0; i < numCards; i++) {
from.removeJailCard();
to.addJailCard();
}
System.out.println("Transferred " + numCards + " jail card(s) from " + from.getName() + " to " + to.getName());
}
} }