499 lines
18 KiB
Java
499 lines
18 KiB
Java
/*Drew Schuster
|
|
dtschust
|
|
ECE462
|
|
*/
|
|
|
|
package com.github.dtschust.zork;
|
|
|
|
import com.github.dtschust.zork.parser.ZorkGame;
|
|
import com.github.dtschust.zork.parser.ZorkReader;
|
|
|
|
import java.util.HashMap;
|
|
import java.util.Scanner;
|
|
|
|
|
|
/* And away we go*/
|
|
public class Zork {
|
|
public String userInput;
|
|
public String currentRoom;
|
|
public ZorkGame game;
|
|
Scanner source = new Scanner(System.in);
|
|
|
|
public Zork(String filename) {
|
|
|
|
|
|
ZorkReader reader = new ZorkReader(filename);
|
|
|
|
game = reader.build();
|
|
/*Phew, we're finally done with that ... let's get playing!!*/
|
|
|
|
/* Some temporary initialization variables*/
|
|
currentRoom = "Entrance";
|
|
boolean ended = false;
|
|
|
|
/* Print out the first entrance description, starting the game!*/
|
|
System.out.println(game.Rooms.get(currentRoom).description);
|
|
|
|
/* There is no stopping in Zork, until we're done!!*/
|
|
do {
|
|
userInput = source.nextLine();
|
|
|
|
/*Now that we have the user command, check the input*/
|
|
if (!executeTriggers()) {
|
|
/* If we haven't skipped, perform the user action*/
|
|
ended = executeAction(userInput);
|
|
|
|
/* Clear the user input, and check the triggers again (various states have changed, gnomes need to be found!*/
|
|
userInput = "";
|
|
executeTriggers();
|
|
}
|
|
} while (!ended);
|
|
|
|
// single point of termination
|
|
System.exit(0);
|
|
}
|
|
|
|
|
|
/* I love how basic java main functions are sometimes.*/
|
|
public static void main(String[] args) {
|
|
if (args.length != 1) {
|
|
System.out.println("Usage: java Zork [filename]");
|
|
return;
|
|
}
|
|
new Zork(args[0]);
|
|
}
|
|
|
|
public boolean executeAction(String input) {
|
|
String[] action = input.split(" ");
|
|
/* Update: figure out what type of item it is, and then change it's status*/
|
|
if (action[0].equals("Update")) {
|
|
doActionUpdate(action[1], action[3]);
|
|
}
|
|
/*Game Over: pretty straight forward*/
|
|
else if (input.equals("Game Over")) {
|
|
return doActionGameWon();
|
|
}
|
|
/* Add: figure out what type the destination is, then what type the object is. Then add object to destination if it makes sense */
|
|
else if (action[0].equals("Add")) {
|
|
doActionAdd(action[1], action[3]);
|
|
}
|
|
/* Delete: figure out what object it is and delete it accordingly. Rooms are especially tricky */
|
|
else if (action[0].equals("Delete")) {
|
|
doActionDelete(action[1]);
|
|
}
|
|
/*If it's not a "Special Action", just treat it normally */
|
|
/* Execute a user action or an action command from some <action> element that is not one of the "Special Commands"*/
|
|
/* Movement */
|
|
else if (action[0].length() == 1 && "nswe".contains(action[0])) {
|
|
doActionMove(action[0]);
|
|
}
|
|
/* Inventory */
|
|
else if (action[0].equals("i")) {
|
|
doActionInventory();
|
|
}
|
|
/* Take */
|
|
else if (action[0].equals("take") && action.length > 1) {
|
|
doActionTake(action[1]);
|
|
}
|
|
/* Open Exit (you should be so lucky)*/
|
|
else if (input.equals("open exit")) {
|
|
return doActionOpenExit();
|
|
}
|
|
/* Open a container */
|
|
else if (action[0].equals("open") && action.length > 1) {
|
|
doActionOpenContainer(action[1]);
|
|
}
|
|
/* Read an object */
|
|
else if (action[0].equals("read") && action.length > 1) {
|
|
doActionReadObject(action[1]);
|
|
}
|
|
/* Drop an item*/
|
|
else if (action[0].equals("drop") && action.length > 1) {
|
|
doActionDropItem(action[1]);
|
|
}
|
|
/* Put an item somewhere */
|
|
else if (action[0].equals("put") && action.length >= 4) {
|
|
doActionPutItem(action[1], action[3]);
|
|
}
|
|
/* Turn on an item*/
|
|
else if (input.startsWith("turn on") && action.length >= 3) {
|
|
doActionTurnOn(action[2]);
|
|
}
|
|
/* Attempt an attack, you feeling lucky?*/
|
|
else if (action[0].equals("attack") && action.length >= 4) {
|
|
doActionAttack(action[1], action[3]);
|
|
}
|
|
/* Invalid command*/
|
|
else System.out.println("Error");
|
|
return false;
|
|
}
|
|
|
|
private boolean doActionGameWon() {
|
|
System.out.println("Victory!");
|
|
return true;
|
|
}
|
|
|
|
private void doActionAdd(String object, String destination) {
|
|
String objectType;
|
|
objectType = game.ObjectLookup.get(object);
|
|
String destinationType = game.ObjectLookup.get(destination);
|
|
if (destinationType.equals("room")) {
|
|
ZorkRoom tempRoom = game.Rooms.get(destination);
|
|
if (objectType.equals("item"))
|
|
tempRoom.item.put(object, object);
|
|
else if (objectType.equals("creature"))
|
|
tempRoom.creature.put(object, object);
|
|
else if (objectType.equals("container"))
|
|
tempRoom.container.put(object, object);
|
|
else
|
|
System.out.println("Error");
|
|
game.Rooms.put(tempRoom.name, tempRoom);
|
|
} else if (destinationType.equals("container")) {
|
|
ZorkContainer tempContainer = game.Containers.get(destination);
|
|
if (objectType.equals("item"))
|
|
tempContainer.item.put(object, object);
|
|
else
|
|
System.out.println("Error");
|
|
game.Containers.put(tempContainer.name, tempContainer);
|
|
} else {
|
|
System.out.println("Error");
|
|
}
|
|
}
|
|
|
|
private void doActionDelete(String object) {
|
|
String objectType;
|
|
objectType = game.ObjectLookup.get(object);
|
|
game.Objects.remove(object);
|
|
if (objectType.equals("room")) {
|
|
for (String key : game.Rooms.keySet()) {
|
|
ZorkRoom tempRoom = game.Rooms.get(key);
|
|
for (String key2 : tempRoom.border.keySet()) {
|
|
if (tempRoom.border.get(key2).equals(object)) {
|
|
tempRoom.border.remove(key2);
|
|
}
|
|
}
|
|
game.Rooms.put(tempRoom.name, tempRoom);
|
|
}
|
|
} else if (objectType.equals("item")) {
|
|
for (String key : game.Rooms.keySet()) {
|
|
ZorkRoom tempRoom = game.Rooms.get(key);
|
|
if (tempRoom.item.get(object) != null) {
|
|
tempRoom.item.remove(object);
|
|
game.Rooms.put(tempRoom.name, tempRoom);
|
|
}
|
|
}
|
|
for (String key : game.Containers.keySet()) {
|
|
ZorkContainer tempContainer = game.Containers.get(key);
|
|
if (tempContainer.item.get(object) != null) {
|
|
tempContainer.item.remove(object);
|
|
game.Containers.put(tempContainer.name, tempContainer);
|
|
}
|
|
}
|
|
} else if (objectType.equals("container")) {
|
|
for (String key : game.Rooms.keySet()) {
|
|
ZorkRoom tempRoom = game.Rooms.get(key);
|
|
if (tempRoom.container.get(object) != null) {
|
|
tempRoom.container.remove(object);
|
|
game.Rooms.put(tempRoom.name, tempRoom);
|
|
}
|
|
}
|
|
} else if (objectType.equals("creature")) {
|
|
for (String key : game.Rooms.keySet()) {
|
|
ZorkRoom tempRoom = game.Rooms.get(key);
|
|
if (tempRoom.creature.get(object) != null) {
|
|
tempRoom.creature.remove(object);
|
|
game.Rooms.put(tempRoom.name, tempRoom);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void doActionUpdate(String object, String newStatus) {
|
|
String objectType;
|
|
objectType = game.ObjectLookup.get(object);
|
|
if (objectType.equals("room")) {
|
|
ZorkRoom tempRoom = game.Rooms.get(object);
|
|
tempRoom.status = newStatus;
|
|
game.Rooms.put(tempRoom.name, tempRoom);
|
|
} else if (objectType.equals("container")) {
|
|
ZorkContainer tempContainer = game.Containers.get(object);
|
|
tempContainer.status = newStatus;
|
|
game.Containers.put(tempContainer.name, tempContainer);
|
|
|
|
} else if (objectType.equals("creature")) {
|
|
ZorkCreature tempCreature = game.Creatures.get(object);
|
|
tempCreature.status = newStatus;
|
|
game.Creatures.put(tempCreature.name, tempCreature);
|
|
|
|
} else if (objectType.equals("item")) {
|
|
ZorkItem tempItem = game.Items.get(object);
|
|
tempItem.status = newStatus;
|
|
game.Items.put(tempItem.name, tempItem);
|
|
|
|
}
|
|
}
|
|
|
|
private void doActionAttack(String tempString, String weapon) {
|
|
ZorkCreature tempCreature;
|
|
if (game.Rooms.get(currentRoom).creature.get(tempString) != null) {
|
|
tempCreature = game.Creatures.get(tempString);
|
|
if (tempCreature != null && game.Inventory.get(weapon) != null) {
|
|
if (tempCreature.attack(this, weapon)) {
|
|
System.out.println("You assault the " + tempString + " with the " + weapon + ".");
|
|
for (String print: tempCreature.print) {
|
|
System.out.println(print);
|
|
}
|
|
for (String action: tempCreature.action) {
|
|
executeAction(action);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
System.out.println("Error");
|
|
}
|
|
|
|
private void doActionTurnOn(String tempString) {
|
|
if (game.Inventory.get(tempString) != null) {
|
|
ZorkItem tempItem = game.Items.get(tempString);
|
|
System.out.println("You activate the " + tempString + ".");
|
|
if (tempItem != null) {
|
|
for (String print: tempItem.turnOnPrint) {
|
|
System.out.println(print);
|
|
}
|
|
for (String action: tempItem.turnOnAction) {
|
|
executeAction(action);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
System.out.println("Error");
|
|
}
|
|
|
|
private void doActionPutItem(String tempString, String destination) {
|
|
if (game.Rooms.get(currentRoom).container.get(destination) != null && game.Containers.get(destination).isOpen && game.Inventory.get(tempString) != null) {
|
|
ZorkContainer tempContainer = game.Containers.get(destination);
|
|
tempContainer.item.put(tempString, tempString);
|
|
game.Inventory.remove(tempString);
|
|
System.out.println("Item " + tempString + " added to " + destination + ".");
|
|
} else {
|
|
System.out.println("Error");
|
|
}
|
|
}
|
|
|
|
private void doActionDropItem(String tempString) {
|
|
if (game.Inventory.get(tempString) != null) {
|
|
ZorkRoom tempRoom = game.Rooms.get(currentRoom);
|
|
tempRoom.item.put(tempString, tempString);
|
|
game.Rooms.put(tempRoom.name, tempRoom);
|
|
game.Inventory.remove(tempString);
|
|
System.out.println(tempString + " dropped.");
|
|
} else {
|
|
System.out.println("Error");
|
|
}
|
|
}
|
|
|
|
private void doActionReadObject(String tempString) {
|
|
if (game.Inventory.get(tempString) != null) {
|
|
ZorkItem tempItem = game.Items.get(tempString);
|
|
if (tempItem.writing != null && tempItem.writing != "") {
|
|
System.out.println(tempItem.writing);
|
|
} else {
|
|
System.out.println("Nothing written.");
|
|
}
|
|
} else {
|
|
System.out.println("Error");
|
|
}
|
|
}
|
|
|
|
private void doActionOpenContainer(String tempString) {
|
|
ZorkContainer tempContainer;
|
|
String found = game.Rooms.get(currentRoom).container.get(tempString);
|
|
if (found != null) {
|
|
tempContainer = game.Containers.get(tempString);
|
|
tempContainer.isOpen = true;
|
|
doActionContainerInventory(tempContainer.item, tempString);
|
|
} else {
|
|
System.out.println("Error");
|
|
}
|
|
}
|
|
|
|
private boolean doActionOpenExit() {
|
|
if (game.Rooms.get(currentRoom).type.equals("exit")) {
|
|
System.out.println("Game Over");
|
|
return true;
|
|
}
|
|
System.out.println("Error");
|
|
return false;
|
|
}
|
|
|
|
/*Basic movement function */
|
|
private void doActionMove(String direction) {
|
|
String fullDirection = "";
|
|
if (direction.equals("n")) {
|
|
fullDirection = "north";
|
|
} else if (direction.equals("s")) {
|
|
fullDirection = "south";
|
|
} else if (direction.equals("e")) {
|
|
fullDirection = "east";
|
|
} else if (direction.equals("w")) {
|
|
fullDirection = "west";
|
|
}
|
|
|
|
String destination = (game.Rooms.get(currentRoom)).border.get(fullDirection);
|
|
if (destination != null) {
|
|
currentRoom = destination;
|
|
System.out.println(game.Rooms.get(currentRoom).description);
|
|
} else {
|
|
System.out.println("Can't go that way.");
|
|
}
|
|
}
|
|
|
|
/* Print out the what's in a container when it's been opened*/
|
|
public void doActionContainerInventory(HashMap<String, String> Container, String Name) {
|
|
String output = "";
|
|
if (Container.isEmpty()) {
|
|
System.out.println(Name + " is empty");
|
|
} else {
|
|
System.out.print(Name + " contains ");
|
|
for (String key : Container.keySet()) {
|
|
output += key + ", ";
|
|
}
|
|
output = output.substring(0, output.length() - 2);
|
|
System.out.println(output + ".");
|
|
}
|
|
}
|
|
|
|
/* Print out the inventory when user types i */
|
|
private void doActionInventory() {
|
|
String output = "Inventory: ";
|
|
if (game.Inventory.isEmpty()) {
|
|
System.out.println("Inventory: empty");
|
|
} else {
|
|
for (String key : game.Inventory.keySet()) {
|
|
output += key + ", ";
|
|
}
|
|
output = output.substring(0, output.length() - 2);
|
|
System.out.println(output);
|
|
}
|
|
}
|
|
|
|
private void doActionTake(String tempString) {
|
|
if ((game.Rooms.get(currentRoom)).item.get(tempString) != null) {
|
|
game.Inventory.put(tempString, tempString);
|
|
ZorkRoom tempRoom = (game.Rooms.get(currentRoom));
|
|
tempRoom.item.remove(tempString);
|
|
game.Rooms.put(tempRoom.name, tempRoom);
|
|
System.out.println("Item " + tempString + " added to inventory.");
|
|
} else {
|
|
/*Search all containers in the current room for the item!*/
|
|
boolean found = false;
|
|
for (String key : game.Rooms.get(currentRoom).container.keySet()) {
|
|
ZorkContainer tempContainer = game.Containers.get(key);
|
|
if (tempContainer != null && tempContainer.isOpen && tempContainer.item.get(tempString) != null) {
|
|
game.Inventory.put(tempString, tempString);
|
|
tempContainer.item.remove(tempString);
|
|
game.Containers.put(tempContainer.name, tempContainer);
|
|
System.out.println("Item " + tempString + " added to inventory.");
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found)
|
|
System.out.println("Error");
|
|
}
|
|
}
|
|
|
|
|
|
/* Check triggers */
|
|
public boolean executeTriggers() {
|
|
|
|
/*Variable initialization*/
|
|
boolean skip = false;
|
|
|
|
/*Check Room triggers*/
|
|
skip = skip || doTriggersRoom();
|
|
/* Check items in the containers in the room */
|
|
skip = skip || doTriggersItemsInContainersInRoom();
|
|
/* Check all containers in the room*/
|
|
skip = skip || doTriggersContainersInRoom();
|
|
/* Check all creatures in the room */
|
|
skip = skip || doTriggersCreaturesInRoom();
|
|
/* Check items in inventory */
|
|
skip = skip || doTriggersItemsInInventory();
|
|
/* Check items in room */
|
|
skip = skip || doTriggersItemsInRoom();
|
|
|
|
return skip;
|
|
}
|
|
|
|
private boolean doTriggersContainersInRoom() {
|
|
boolean skip = false;
|
|
for (String key : game.Rooms.get(currentRoom).container.keySet()) {
|
|
skip = skip || doZorkTriggers(game.Containers.get(key));
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
private boolean doTriggersItemsInContainersInRoom() {
|
|
boolean skip = false;
|
|
for (String key : game.Rooms.get(currentRoom).container.keySet()) {
|
|
ZorkContainer tempContainer = game.Containers.get(key);
|
|
for (String key2 : tempContainer.item.keySet()) {
|
|
skip = skip || doZorkTriggers(game.Items.get(key2));
|
|
}
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
private boolean doTriggersItemsInRoom() {
|
|
boolean skip = false;
|
|
for (String key : game.Rooms.get(currentRoom).item.keySet()) {
|
|
skip = skip || doZorkTriggers(game.Items.get(key));
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
private boolean doTriggersItemsInInventory() {
|
|
boolean skip = false;
|
|
for (String key : game.Inventory.keySet()) {
|
|
skip = skip || doZorkTriggers(game.Items.get(key));
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
private boolean doTriggersCreaturesInRoom() {
|
|
boolean skip = false;
|
|
for (String key : game.Rooms.get(currentRoom).creature.keySet()) {
|
|
skip = skip || doZorkTriggers(game.Creatures.get(key));
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
private boolean doTriggersRoom() {
|
|
return doZorkTriggers(game.Rooms.get(currentRoom));
|
|
}
|
|
|
|
|
|
private boolean doZorkTriggers(ZorkObject zorkObject) {
|
|
boolean skip = false;
|
|
for (int x = 0; x < zorkObject.trigger.size(); x++) {
|
|
ZorkTrigger tempTrigger = zorkObject.trigger.get(x);
|
|
if (tempTrigger.evaluate(this)) {
|
|
for (String print: tempTrigger.print) {
|
|
System.out.println(print);
|
|
}
|
|
for (String action: tempTrigger.action) {
|
|
executeAction(action);
|
|
}
|
|
skip = skip || tempTrigger.hasCommand;
|
|
if (tempTrigger.type.equals("single")) {
|
|
zorkObject.trigger.remove(x);
|
|
}
|
|
}
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
}
|