 gray_stone 0 stone_a 3.000000 none
 brown_stone 0 patch_rock 2.400000 none
 turf 1 grassy_ground 1.300000 ground_earth_under_grass
 steppe 3 ground_steppe 1.000000 ground_earth_under_steppe
 snow 1 snow 1.200000 ground_forest_under_snow
 earth 3 ground_earth 1.300000 none
 desert 3 ground_desert 6.300000 ground_forest_under_desert
 forest 1 ground_forest 2.300000 ground_earth_under_grass
 pebbles 1 pebbles 4.100000 none
 village 1 ground_village 10.000000 none
 path 3 ground_path 6.000000 none