WorldGen

12 tools in this family (folder Editor/Tools/WorldGen/ in the bridge package). Effect: writes changes the project or the scene, read-only does not, destructive deletes or overwrites and the client asks before running it.

Tool	Effect	Description
world_gen_biome_distribute	read-only	Generate a biome distribution map using layered Perlin noise.
world_gen_climate_simulate	read-only	Simulate a climate grid from a Unity Terrain's heightmap.
world_gen_export_unity_terrain	writes	Export a Unity Terrain to a reusable TerrainData snapshot: writes
world_gen_import_real_geo_data	writes	Fetch real geographic elevation data from Mapbox Terrain RGB tiles
world_gen_landmark_placer	writes	Use the active LLM provider to propose landmark types and world-space
world_gen_lod_terrain_chunks	writes	Subdivide a Unity Terrain into an NxN grid of smaller Terrain tiles for
world_gen_river_carve	writes	Apply iterative hydraulic erosion to a Unity Terrain to carve natural river
world_gen_road_network	read-only	Run A* over a Unity Terrain's heightmap to connect a list of settlement
world_gen_settlement_placer	read-only	Place N settlements on a Unity Terrain using k-means clustering over
world_gen_terrain_aigen	writes	POST a world specification to the Marble.ai cloud PCG service and return the
world_gen_terrain_procnode	writes	Cook a Houdini Digital Asset (HDA) and bake the resulting height field
world_gen_vegetation_scatter	writes	Scatter tree instances on a Unity Terrain using slope, height, and