So that you can upload your Modpack as a .zip file and then the world is created? That would make this tool much better. To do this, they could work with Modpack creators.
worldpainter already supports modpacks as long as they do not change the minecraft map format. you can use custom id's to specify modded blocks and schematic should also work.
So that you can upload your Modpack as a .zip file and then the world is created? That would make this tool much better. To do this, they could work with Modpack creators.