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package esieequest.controller;
import java.util.HashSet;
import java.util.Set;
import esieequest.model.Game;
import esieequest.model.commands.CommandWord;
import esieequest.model.items.Beamer;
import esieequest.model.items.Inventory;
import esieequest.model.items.Item;
import esieequest.model.map.Door;
import esieequest.model.map.LockedDoor;
import esieequest.model.map.Room;
import esieequest.model.map.TrapDoor;
import esieequest.view.View;
/**
* Performs actions and modifies the Game model.
*
* @author Pacien TRAN-GIRARD
* @author Benoît LUBRANO DI SBARAGLIONE
*/
class Performer {
private final Game game;
private final View view;
/**
* Instantiates a Performer.
*
* @param game
* the Game model
* @param view
* the view
*/
public Performer(final Game game, final View view) {
this.game = game;
this.view = view;
}
/**
* Displays the message "Not implemented." in the view.
*/
private void notImplemented() {
this.echo("Not implemented.");
}
/**
* Displays a message in the view.
*
* @param message
* the message
*/
public void echo(final String message) {
this.view.echo(message);
}
/**
* Loads a new game.
*/
public void newGame() {
// this.loadGame(default game);
// TODO
this.view.enable();
this.echo(this.game.getWelcomeMessage());
}
/**
* Loads a saved game.
*/
public void loadGame() {
// TODO
this.notImplemented();
}
/**
* Saves the current game.
*/
public void saveGame() {
// TODO
this.notImplemented();
}
/**
* Toggles the sound.
*/
public void toggleSound() {
// TODO
this.notImplemented();
}
/**
* Ends the current game.
*/
public void quitGame() {
this.echo(this.game.getQuitMessage());
this.view.disable();
}
/**
* Displays the help message and the available commands.
*/
public void showHelp() {
final Set<String> commands = new HashSet<String>();
for (final CommandWord command : CommandWord.values()) {
commands.add(command.name().toLowerCase());
}
this.echo(Utils.list(commands, "Commands:", "No commands."));
}
/**
* Changes the current room to the one placed in the given direction.
*
* @param direction
* the direction of the new room
*/
public void goTo(final String direction) {
final Door door = this.game.getPlayer().getCurrentRoom().getExit(direction);
if (door == null) {
this.echo(this.game.getNoExitMessage());
return;
}
if (door.getClass() == LockedDoor.class) {
final LockedDoor lockedDoor = (LockedDoor) door;
final boolean authorised = this.game.getPlayer().getInventory().containsItem(lockedDoor.getKey());
if (!authorised) {
this.echo("This door is locked.");
return;
}
}
final Room nextRoom = door.getDestination();
this.game.getPlayer().goToRoom(nextRoom);
this.view.updateRoom(this.game.getPlayer().getCurrentRoom());
this.walk();
if (door.getClass() == TrapDoor.class) {
this.game.getPlayer().clearRoomHistory();
}
}
/**
* Changes the current room to the previous one.
*/
public void goBack() {
this.game.getPlayer().goToPreviousRoom();
this.view.updateRoom(this.game.getPlayer().getCurrentRoom());
this.walk();
}
/**
* Increments and checks the number of steps made by the player.
*/
private void walk() {
this.game.getPlayer().setNbSteps(this.game.getPlayer().getNbSteps() + 1);
if (this.game.getPlayer().getNbSteps() == this.game.getPlayer().getMaxNbSteps()) {
this.echo("You died of exhaustion...");
this.quitGame();
}
}
/**
* Displays informations about the current place.
*/
public void look() {
this.echo(this.game.getPlayer().getCurrentRoom().getInformations());
}
/**
* Moves an item from the current Room to the Player's inventory.
*
* @param itemName
* the item's name
*/
public void takeItem(final String itemName) {
if (!this.game.getPlayer().getCurrentRoom().getItems().containsItem(itemName)) {
this.echo("No such item in this room.");
return;
}
int weight = this.game.getPlayer().getInventory().getTotalWeight();
weight += this.game.getPlayer().getCurrentRoom().getItems().getItemWeight(itemName);
final int maxWeight = this.game.getPlayer().getMaxCarryWeight();
if (weight >= maxWeight) {
this.echo("Maximum inventory weight reached. Cannot pick up item.");
return;
}
this.moveItem(this.game.getPlayer().getCurrentRoom().getItems(), this.game.getPlayer().getInventory(), itemName);
}
/**
* Moves an item from the Player's inventory to the current Room.
*
* @param itemName
* the item's name
*/
public void dropItem(final String itemName) {
if (!this.game.getPlayer().getInventory().getItem(itemName).isDroppable()) {
this.echo("This item cannot be dropped.");
return;
}
this.moveItem(this.game.getPlayer().getInventory(), this.game.getPlayer().getCurrentRoom().getItems(), itemName);
}
/**
* Moves a given item referred by its name from an inventory to another.
*
* @param source
* the source inventory
* @param dest
* the destination inventory
* @param itemName
* the item's name
*/
private void moveItem(final Inventory source, final Inventory dest, final String itemName) {
if (!source.containsItem(itemName)) {
this.echo("No such item.");
return;
}
dest.putItem(itemName, source.takeItem(itemName));
}
/**
* Lists the items contained in the player's inventory.
*/
public void listItems() {
this.echo(Utils.list(this.game.getPlayer().getInventory().getItemList(), "Items:", "No item in your inventory."));
}
/**
* Performs an action according to the use of an item.
*
* @param itemName
* the item's name
*/
public void useItem(final String itemName) {
final Item item = this.game.getPlayer().getInventory().getItem(itemName);
if (item == null) {
this.echo("You don't have such item.");
return;
}
if (item.getClass() == Beamer.class) {
final Beamer beamer = (Beamer) item;
if (beamer.getRoom() == null) {
beamer.setRoom(this.game.getPlayer().getCurrentRoom());
} else {
this.game.getPlayer().goToRoom(beamer.getRoom());
}
}
}
}
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