Paper Terrain Material
‘Material’ setup for a 2D terrain spline (stores references to sprites that will be instanced along the spline path, not actually related to UMaterialInterface).
Editor Properties: (see get_editor_property/set_editor_property)
interior_fill(PaperSprite): [Read-Write] The sprite to use for an interior region fill
rules(Array(PaperTerrainMaterialRule)): [Read-Write] Rules