I agree. A solution would be to generate a world from an user-generated tilemap, to "guide" the algorithm, and the user configure some aspect of the procedural

I agree. A solution would be to generate a world from an user-generated tilemap, to "guide" the algorithm, and the user configure some aspect of the procedural generation. The goal of procedural generation is to save the time of 3D artists, but procedural generation can't do 100% of the task. To make a game world interesting, it's more about scenario/mission generation, which isn't so difficult.