The shop in the gloomy caves is a good example of how to manually lay out a specific room in the script. The shop is declared as a simple room. The size is set to 5 tiles wide by 9 tiles high. Because it is a shop, and Mellis is the god of trade and politics, the divine master is set to Mellis. No altars, fountains, locked doors or booby trapped doors will generate here. This will generate a bare room (see adjacent image). It generates doors and lanterns by itself, and because this is specified in the default parameters for rooms in the dungeon.