155 lines
4.6 KiB
Java
155 lines
4.6 KiB
Java
/*Drew Schuster
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dtschust
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ECE462
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*/
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package com.github.dtschust.zork;
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import com.github.dtschust.zork.parser.ZorkGame;
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import com.github.dtschust.zork.parser.ZorkReader;
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import com.github.dtschust.zork.repl.ActionDispatcher;
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import com.github.dtschust.zork.types.ZorkContainer;
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import com.github.dtschust.zork.types.ZorkObject;
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import java.util.Scanner;
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/* And away we go*/
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public class Zork {
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public String userInput;
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public ZorkGame game;
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Scanner source = new Scanner(System.in);
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public Zork(String filename) {
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game = new ZorkReader(filename).build();
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game.changeRoom("Entrance");
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/* Print out the first entrance description, starting the game!*/
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System.out.println(game.getCurrentRoom().description);
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ActionDispatcher d = new ActionDispatcher(game);
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/* There is no stopping in Zork, until we're done!!*/
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while (game.isRunning()) {
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userInput = source.nextLine();
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/*Now that we have the user command, check the input*/
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if (!executeTriggers()) {
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/* If we haven't skipped, perform the user action*/
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d.dispatch(userInput);
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/* Clear the user input, and check the triggers again (various states have changed, gnomes need to be found!*/
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userInput = "";
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executeTriggers();
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}
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}
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// single point of termination
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System.exit(0);
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}
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/* I love how basic java main functions are sometimes.*/
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public static void main(String[] args) {
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if (args.length != 1) {
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System.out.println("Usage: java Zork [filename]");
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return;
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}
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new Zork(args[0]);
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}
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/* Check triggers */
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public boolean executeTriggers() {
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/*Variable initialization*/
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boolean skip;
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/*Check Room triggers*/
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skip = doTriggersRoom();
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/* Check items in the containers in the room */
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skip = skip || doTriggersItemsInContainersInRoom();
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/* Check all containers in the room*/
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skip = skip || doTriggersContainersInRoom();
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/* Check all creatures in the room */
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skip = skip || doTriggersCreaturesInRoom();
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/* Check items in inventory */
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skip = skip || doTriggersItemsInInventory();
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/* Check items in room */
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skip = skip || doTriggersItemsInRoom();
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return skip;
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}
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private boolean doTriggersContainersInRoom() {
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boolean skip = false;
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for (String key : game.getCurrentRoom().container) {
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skip = skip || doZorkTriggers(game.get("container", key));
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}
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return skip;
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}
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private boolean doTriggersItemsInContainersInRoom() {
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boolean skip = false;
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for (String key : game.getCurrentRoom().container) {
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ZorkContainer tempContainer = (ZorkContainer) game.get("container", key);
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for (String key2 : tempContainer.item) {
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skip = skip || doZorkTriggers(game.get("item", key2));
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}
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}
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return skip;
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}
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private boolean doTriggersItemsInRoom() {
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boolean skip = false;
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for (String key : game.getCurrentRoom().item) {
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skip = skip || doZorkTriggers(game.get("item", key));
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}
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return skip;
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}
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private boolean doTriggersItemsInInventory() {
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boolean skip = false;
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for (String key : game.inventory) {
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skip = skip || doZorkTriggers(game.get("item", key));
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}
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return skip;
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}
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private boolean doTriggersCreaturesInRoom() {
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boolean skip = false;
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for (String key : game.getCurrentRoom().creature) {
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skip = skip || doZorkTriggers(game.get("creature", key));
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}
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return skip;
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}
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private boolean doTriggersRoom() {
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return doZorkTriggers(game.getCurrentRoom());
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}
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private boolean doZorkTriggers(ZorkObject zorkObject) {
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boolean skip = false;
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for (int x = zorkObject.trigger.size() - 1; x >= 0; x--) {
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ZorkTrigger tempTrigger = zorkObject.trigger.get(x);
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if (tempTrigger.evaluate(this)) {
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for (String print : tempTrigger.print) {
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System.out.println(print);
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}
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final ActionDispatcher d = new ActionDispatcher(game);
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for (String action : tempTrigger.action) {
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d.dispatch(action);
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}
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skip = skip || tempTrigger.hasCommand();
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if (tempTrigger.type.equals("single")) {
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zorkObject.trigger.remove(x);
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}
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}
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}
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return skip;
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}
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}
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