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package esieequest;
import java.util.HashMap;
import java.util.Set;
/**
* A room.
*
* A "Room" represents one location in the scenery of the game. It is connected
* to other rooms via exits. The exits are labelled north, east, south, west.
* For each direction, the room stores a reference to the neighboring room, or
* null if there is no exit in that direction.
*
* @author Pacien TRAN-GIRARD
* @author Benoit LUBRANO DI SBARAGLIONE
*
* @version February 2014
*/
public class Room {
private String aDescription;
private HashMap<String, Room> aExits;
/**
* Create a room described "description". Initially, it has no exits.
* "description" is something like "a kitchen" or "an open court yard".
*
* @param description
* The room's description.
*/
public Room(final String pDescription) {
this.aDescription = pDescription;
this.aExits = new HashMap<String, Room>();
}
/**
* Return a long description of this room, of the form:
*
* You are in the kitchen.
*
* Exits: north west
*
* @return A description of the room, including exits.
*/
public String getLongDescription() {
String vLongDescription = "You are now " + this.aDescription + ".\n";
vLongDescription += getExitString();
return vLongDescription;
}
/**
* Define an exit from this room.
*
* @param direction
* The direction of the exit.
* @param neighbor
* The room in the given direction.
*/
public void setExit(String direction, Room neighbor) {
this.aExits.put(direction, neighbor);
}
/**
* Return the room that is reached if we go from this room in direction
* "direction". If there is no room in that direction, return null.
*/
public Room getExit(String pDirection) {
return this.aExits.get(pDirection);
}
/**
* Return a description of the room’s exits, for example
* "Exits: north west".
*
* @return A description of the available exits.
*/
public String getExitString() {
String vExitString = "Available exits:";
Set<String> keys = this.aExits.keySet();
for (String exit : keys) {
vExitString += " " + exit;
}
vExitString += ".";
return vExitString;
}
}
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