- if maxp.y >= 2 and minp.y <= 0 then
- -- Generate papyrus
- local perlin1 = minetest.get_perlin(354, 3, 0.7, 100)
- -- Assume X and Z lengths are equal
- local divlen = 8
- local divs = (maxp.x-minp.x)/divlen+1;
- for divx=0,divs-1 do
- for divz=0,divs-1 do
- local x0 = minp.x + math.floor((divx+0)*divlen)
- local z0 = minp.z + math.floor((divz+0)*divlen)
- local x1 = minp.x + math.floor((divx+1)*divlen)
- local z1 = minp.z + math.floor((divz+1)*divlen)
- -- Determine papyrus amount from perlin noise
- local papyrus_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 45 - 20)
- -- Find random positions for papyrus based on this random
- local pr = PseudoRandom(seed+1)
- for i=0,papyrus_amount do
- local x = pr:next(x0, x1)
- local z = pr:next(z0, z1)
- if minetest.get_node({x=x,y=1,z=z}).name == "default:dirt_with_grass" and
- minetest.find_node_near({x=x,y=1,z=z}, 1, "default:water_source") then
- default.make_papyrus({x=x,y=2,z=z}, pr:next(2, 4))
- end
- end
- end
- end
- -- Generate cactuses
- local perlin1 = minetest.get_perlin(230, 3, 0.6, 100)
- -- Assume X and Z lengths are equal
- local divlen = 16
- local divs = (maxp.x-minp.x)/divlen+1;
- for divx=0,divs-1 do
- for divz=0,divs-1 do
- local x0 = minp.x + math.floor((divx+0)*divlen)
- local z0 = minp.z + math.floor((divz+0)*divlen)
- local x1 = minp.x + math.floor((divx+1)*divlen)
- local z1 = minp.z + math.floor((divz+1)*divlen)
- -- Determine cactus amount from perlin noise
- local cactus_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 6 - 3)
- -- Find random positions for cactus based on this random
- local pr = PseudoRandom(seed+1)
- for i=0,cactus_amount do
- local x = pr:next(x0, x1)
- local z = pr:next(z0, z1)
- -- Find ground level (0...15)
- local ground_y = nil
- for y=30,0,-1 do
- if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
- ground_y = y
- break
- end
- end
- -- If desert sand, make cactus
- if ground_y and minetest.get_node({x=x,y=ground_y,z=z}).name == "default:desert_sand" then
- default.make_cactus({x=x,y=ground_y+1,z=z}, pr:next(3, 4))
- end
- end
- end
- end
- -- Generate grass
- local perlin1 = minetest.get_perlin(329, 3, 0.6, 100)
- -- Assume X and Z lengths are equal
- local divlen = 16
- local divs = (maxp.x-minp.x)/divlen+1;
- for divx=0,divs-1 do
- for divz=0,divs-1 do
- local x0 = minp.x + math.floor((divx+0)*divlen)
- local z0 = minp.z + math.floor((divz+0)*divlen)
- local x1 = minp.x + math.floor((divx+1)*divlen)
- local z1 = minp.z + math.floor((divz+1)*divlen)
- -- Determine grass amount from perlin noise
- local grass_amount = math.floor(perlin1:get2d({x=x0, y=z0}) ^ 3 * 9)
- -- Find random positions for grass based on this random
- local pr = PseudoRandom(seed+1)
- for i=0,grass_amount do
- local x = pr:next(x0, x1)
- local z = pr:next(z0, z1)
- -- Find ground level (0...15)
- local ground_y = nil
- for y=30,0,-1 do
- if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
- ground_y = y
- break
- end
- end
-
- if ground_y then
- local p = {x=x,y=ground_y+1,z=z}
- local nn = minetest.get_node(p).name
- -- Check if the node can be replaced
- if minetest.registered_nodes[nn] and
- minetest.registered_nodes[nn].buildable_to then
- nn = minetest.get_node({x=x,y=ground_y,z=z}).name
- -- If desert sand, add dry shrub
- if nn == "default:desert_sand" then
- minetest.set_node(p,{name="default:dry_shrub"})
-
- -- If dirt with grass, add grass
- elseif nn == "default:dirt_with_grass" then
- minetest.set_node(p,{name="default:grass_"..pr:next(1, 5)})
- end
- end
- end
-
- end
- end
- end
- end
+ -- Permanent ice
+
+ minetest.register_biome({
+ name = "glacier",
+ node_dust = "default:snowblock",
+ node_top = "default:snowblock",
+ depth_top = 1,
+ node_filler = "default:snowblock",
+ depth_filler = 3,
+ node_stone = "default:ice",
+ node_water_top = "default:ice",
+ depth_water_top = 10,
+ --node_water = "",
+ node_river_water = "default:ice",
+ y_min = -8,
+ y_max = 31000,
+ heat_point = 0,
+ humidity_point = 50,
+ })
+
+ minetest.register_biome({
+ name = "glacier_ocean",
+ node_dust = "default:snowblock",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = -9,
+ heat_point = 0,
+ humidity_point = 50,
+ })
+
+ -- Cold
+
+ minetest.register_biome({
+ name = "tundra",
+ --node_dust = "",
+ node_top = "default:dirt_with_snow",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 1,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 2,
+ y_max = 31000,
+ heat_point = 15,
+ humidity_point = 35,
+ })
+
+ minetest.register_biome({
+ name = "tundra_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = 1,
+ heat_point = 15,
+ humidity_point = 35,
+ })
+
+
+ minetest.register_biome({
+ name = "taiga",
+ node_dust = "default:snow",
+ node_top = "default:dirt_with_snow",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 2,
+ y_max = 31000,
+ heat_point = 15,
+ humidity_point = 65,
+ })
+
+ minetest.register_biome({
+ name = "taiga_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = 1,
+ heat_point = 15,
+ humidity_point = 65,
+ })
+
+ -- Temperate
+
+ minetest.register_biome({
+ name = "stone_grassland",
+ --node_dust = "",
+ node_top = "default:dirt_with_grass",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 1,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 5,
+ y_max = 31000,
+ heat_point = 40,
+ humidity_point = 35,
+ })
+
+ minetest.register_biome({
+ name = "stone_grassland_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = 4,
+ heat_point = 40,
+ humidity_point = 35,
+ })
+
+
+ minetest.register_biome({
+ name = "coniferous_forest",
+ --node_dust = "",
+ node_top = "default:dirt_with_grass",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 5,
+ y_max = 31000,
+ heat_point = 40,
+ humidity_point = 65,
+ })
+
+ minetest.register_biome({
+ name = "coniferous_forest_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = 4,
+ heat_point = 40,
+ humidity_point = 65,
+ })
+
+
+ minetest.register_biome({
+ name = "sandstone_grassland",
+ --node_dust = "",
+ node_top = "default:dirt_with_grass",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 1,
+ node_stone = "default:sandstone",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 5,
+ y_max = 31000,
+ heat_point = 60,
+ humidity_point = 35,
+ })
+
+ minetest.register_biome({
+ name = "sandstone_grassland_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ node_stone = "default:sandstone",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = 4,
+ heat_point = 60,
+ humidity_point = 35,
+ })
+
+
+ minetest.register_biome({
+ name = "deciduous_forest",
+ --node_dust = "",
+ node_top = "default:dirt_with_grass",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 1,
+ y_max = 31000,
+ heat_point = 60,
+ humidity_point = 65,
+ })
+
+ minetest.register_biome({
+ name = "deciduous_forest_swamp",
+ --node_dust = "",
+ node_top = "default:dirt",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -3,
+ y_max = 0,
+ heat_point = 60,
+ humidity_point = 65,
+ })
+
+ minetest.register_biome({
+ name = "deciduous_forest_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = -4,
+ heat_point = 60,
+ humidity_point = 65,
+ })
+
+ -- Hot
+
+ minetest.register_biome({
+ name = "desert",
+ --node_dust = "",
+ node_top = "default:desert_sand",
+ depth_top = 1,
+ node_filler = "default:desert_sand",
+ depth_filler = 1,
+ node_stone = "default:desert_stone",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 5,
+ y_max = 31000,
+ heat_point = 85,
+ humidity_point = 20,
+ })
+
+ minetest.register_biome({
+ name = "desert_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ node_stone = "default:desert_stone",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = 4,
+ heat_point = 85,
+ humidity_point = 20,
+ })
+
+
+ minetest.register_biome({
+ name = "savanna",
+ --node_dust = "",
+ node_top = "default:dirt_with_dry_grass",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 1,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 1,
+ y_max = 31000,
+ heat_point = 85,
+ humidity_point = 50,
+ })
+
+ minetest.register_biome({
+ name = "savanna_swamp",
+ --node_dust = "",
+ node_top = "default:dirt",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -3,
+ y_max = 0,
+ heat_point = 85,
+ humidity_point = 50,
+ })
+
+ minetest.register_biome({
+ name = "savanna_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = -4,
+ heat_point = 85,
+ humidity_point = 50,
+ })
+
+
+ minetest.register_biome({
+ name = "rainforest",
+ --node_dust = "",
+ node_top = "default:dirt_with_grass",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = 1,
+ y_max = 31000,
+ heat_point = 85,
+ humidity_point = 80,
+ })
+
+ minetest.register_biome({
+ name = "rainforest_swamp",
+ --node_dust = "",
+ node_top = "default:dirt",
+ depth_top = 1,
+ node_filler = "default:dirt",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -3,
+ y_max = 0,
+ heat_point = 85,
+ humidity_point = 80,
+ })
+
+ minetest.register_biome({
+ name = "rainforest_ocean",
+ --node_dust = "",
+ node_top = "default:sand",
+ depth_top = 1,
+ node_filler = "default:sand",
+ depth_filler = 3,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -112,
+ y_max = -4,
+ heat_point = 85,
+ humidity_point = 80,
+ })
+
+ -- Underground
+
+ minetest.register_biome({
+ name = "underground",
+ --node_dust = "",
+ --node_top = "",
+ --depth_top = ,
+ --node_filler = "",
+ --depth_filler = ,
+ --node_stone = "",
+ --node_water_top = "",
+ --depth_water_top = ,
+ --node_water = "",
+ --node_river_water = "",
+ y_min = -31000,
+ y_max = -113,
+ heat_point = 50,
+ humidity_point = 50,
+ })