Chapter 7. Making a Multiplayer Game
Single player games are fun, and as we've already seen, there is a large variety of them you can make with JavaScript. However, having your game run in a web browser, there is a huge temptation to make it multiplayer. This is exactly what we will do in this chapter and what better example of a multiplayer game than an MMORPG!
We will take our small single-player RPG from Chapter 5, Putting Things into Perspective, and transform it into a brand new MMORPG: World of Ar'PiGi.
However, first a word of warning—the technology we will use to implement the server-side of our game is PHP + MySQL. The reason for this is it's by far the most common technology around. If you have some sort of hosting, chances are it's supported out of the box.
There are many reasons why this is not necessarily the best solution. When writing a game where the server-side usage is not reduced to simply serving a static page, you have to think very carefully about scaling:
How many users...