Before we start, we will need to have a project created that already has UFPS and Prototype installed. If you do not have these, follow the steps described in Chapter 1, Getting Started on an FPS.
Now, because we are going to be diving straight into Unity, I feel it's important to talk a little more about how level designing is done in the game industry. While you may think a level designer will just jump into the editor and start playing, the truth is you normally need to do tons of planning ahead of time before you even open your tool.
Generally, a level begins with an idea. This can come from anything; maybe you saw a really cool building or a photo on the Internet gave you a certain feeling; maybe you want to teach the player a new mechanic. Turning this idea into a level is what a level designer does. Taking all of these ideas, the level designer will create a level design document that will outline exactly what you're trying to achieve with the...