This seems like a massive task, do each individual building/object have to be modeled individually. If so are the model imported into the world editor and places accordingly. Or are other techniques ...
I need to make grid based levels with 3d models for a dungeon crawler ( as a recent example Legend of Grimrock), but i need to have several layers and place entities with properties and position, ...
I'm looking to build (for start) a simple tool, that could raise, lower, smooth and texture the terrain. So, what are the things I have to go through in order to make such terrain editor? And maybe ...