Zork: The Island Of The Lost

This is a remake of the original Zork game, created in PHP.

Database Setup

Table: users

user_id	name	username	password
1	John	johndoe	hash

Table: game_save

id	user_id	location	vertLocation	items	isHilly	doorLocked	energy	gui
1	4	9	0	-	1	1	10	0

newUserRegister trigger

DELIMITER //
CREATE DEFINER = `root`@`localhost` TRIGGER newUserRegister AFTER INSERT ON users
FOR EACH ROW BEGIN
INSERT INTO game_save (`id`, `user_id`, `location`, `vertLocation`, `items`, `isHilly`, `doorLocked`, `energy`, `gui`)
VALUES (NULL, new.user_id, 9, 0, 'a:4:{s:10:"volleyball";a:2:{s:3:"pos";s:7:"(0,2,0)";s:4:"name";a:2:{i:0;s:10:"volleyball";i:1;s:4:"ball";}}s:6:"shovel";a:2:{s:3:"pos";s:7:"(0,0,0)";s:4:"name";a:1:{i:0;s:6:"shovel";}}s:4:"food";a:2:{s:3:"pos";s:7:"(3,0,1)";s:4:"name";a:3:{i:0;s:4:"food";i:1;s:4:"beef";i:2;s:5:"jerky";}}s:3:"key";a:2:{s:3:"pos";s:8:"(3,1,-1)";s:4:"name";a:1:{i:0;s:3:"key";}}}', 1, 1, 10, 0);
END;;
//
DELIMITER ;

$_SESSION Format

Has the following keys:

• user (containing the user's id, name, and username)
• game_save
• • location (0-16)
• • inventory (array of items)
• • vertLocation (-1, 0, or 1)
• • items
• • • an associative array of the items and their pos (such as 1,1,0 or in an inventory) and names (volleyball, ball, etc.)
• • isHilly (whether Craggy Cliff has been dug out)
• • doorLocked (whether the door has been unlocked)
• • gui (bool, determines whether the easy to read gui is enabled)

Functions

/scripts/commands.php

doesCommandExist checks if a command exists in the system. It returns the provided command (ex. "w") and the array of the command from /scripts/scenes.php. If the command does not exist, it returns an array with an index of error and a short error message.

isCommandvalid checks if the command is valid on the given tile/location in the game. When true, it returns the command and the type of command such as cardinal. When false, it returns an array with an index of error and a short error message.

getLocation returns an array of the current location

setLocation sets the current location given an increment

getVertLocation returns vertical location

setVertLocation sets vertical location

getXYZ returns the XYZ coordinates of the player

moveAmount moves the player in the given direction using setLocation

moveVertical moves the player vertically

takeItem picks up an item from the tile

dropItem drops an item in the current location

showInventory displays player inventory

showHelp lists all main game commands

useItem uses a given item in the player's inventory

enterPin enters the pin to win the game in the "safe house"

energyLoss removes energy from the player and returns a message based on the amount of energy left

randomEnergyLoss removes a random amount of energy and calls energyLoss

getEnergy returns the current energy of the player (it takes a parameter shortForm to return the energy as a short number)

go checks if the player is next to the tent, otherwise moves normally

toggleGui toggles the modern gui

getHint returns a hint