Open levels.xml and add a new entry that points to your new folder and defines the "TreasurePoint" coordinates for coin spawns.
If your goal is to "generate text" in the form of actual level data (the paths the balls follow), you need to manipulate the .dat files found in individual level folders (e.g., /levels/triangle/triangle.dat ). These files contain coordinate pairs that define the curve. zuma deluxe level editor