[
    // example entry, increase freq to activate
    (
        // ron file pointing to voxel model and defining special colors
        base_structures: "spots_general.mage_tower",
        // maximum occurance per each 1000km^2 world area
        freq: 1.0,
        // placement requirements
        condition: All([Typical, MaxGradient(0.2), Biome([Forest, Taiga, Snowland, Grassland])]),
        // Available Conditions: Typical (Not near river, way, cliffs or underwater), NearRiver,IsWay, IsUnderwater, NearCliffs
        // Available Biomes: Void, Lake, Grassland, Ocean, Mountain, Snowland, Desert, Swamp, Jungle, Forest, Savannah, Taiga        
        // whether to prevent trees etc. around this spot
        spawn: true,
    ),
]