[narf poit chez BOOM]

well, this is a concise and funny way of stating the purpose of a roguelike dungeon builder:

One of the most important things in writing a computer game of
any sort is the way in which you represent the universe the game takes
place in. In a rogue-like, you will need to represent several things:

#1. The Dungeon
#2. The Slimy Things in The Dungeon
#3. The Pointy Things with which a player kills Slimy Things
#4. The Player that holds the Pointy Things

This Article will cover #1: The Dungeon.

Section 2 : The Dungeon

Alright, we need to find some way to represent the corridors and
rooms of The Dungeon itself. One of the easiest and most flexible methods
of doing this is to create a two-dimensional array of cells. Each cell will
be a wall, a floor, a door, a hideous spiked pit of death, or any number of
other things we might want to represent as one tile: