-- -- Aliases for map generator outputs -- mcl_mapgen_core = {} minetest.register_alias("mapgen_air", "air") minetest.register_alias("mapgen_stone", "mcl_core:stone") minetest.register_alias("mapgen_tree", "mcl_core:tree") minetest.register_alias("mapgen_leaves", "mcl_core:leaves") minetest.register_alias("mapgen_jungletree", "mcl_core:jungletree") minetest.register_alias("mapgen_jungleleaves", "mcl_core:jungleleaves") minetest.register_alias("mapgen_pine_tree", "mcl_core:sprucetree") minetest.register_alias("mapgen_pine_needles", "mcl_core:spruceleaves") minetest.register_alias("mapgen_apple", "mcl_core:leaves") minetest.register_alias("mapgen_water_source", "mcl_core:water_source") minetest.register_alias("mapgen_dirt", "mcl_core:dirt") minetest.register_alias("mapgen_dirt_with_grass", "mcl_core:dirt_with_grass") minetest.register_alias("mapgen_dirt_with_snow", "mcl_core:dirt_with_snow") minetest.register_alias("mapgen_sand", "mcl_core:sand") minetest.register_alias("mapgen_gravel", "mcl_core:gravel") minetest.register_alias("mapgen_clay", "mcl_core:clay") minetest.register_alias("mapgen_lava_source", "mcl_core:lava_source") minetest.register_alias("mapgen_cobble", "mcl_core:cobble") minetest.register_alias("mapgen_mossycobble", "mcl_core:mossycobble") minetest.register_alias("mapgen_junglegrass", "mcl_flowers:fern") minetest.register_alias("mapgen_stone_with_coal", "mcl_core:stone_with_coal") minetest.register_alias("mapgen_stone_with_iron", "mcl_core:stone_with_iron") minetest.register_alias("mapgen_desert_sand", "mcl_core:sand") minetest.register_alias("mapgen_desert_stone", "mcl_core:sandstone") minetest.register_alias("mapgen_sandstone", "mcl_core:sandstone") minetest.register_alias("mapgen_river_water_source", "mcl_core:water_source") minetest.register_alias("mapgen_snow", "mcl_core:snow") minetest.register_alias("mapgen_snowblock", "mcl_core:snowblock") minetest.register_alias("mapgen_ice", "mcl_core:ice") minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble") minetest.register_alias("mapgen_sandstonebrick", "mcl_core:sandstonesmooth") minetest.register_alias("mapgen_stair_sandstonebrick", "stairs:stair_sandstone") -- -- Ore generation -- -- Gravel minetest.register_ore({ ore_type = "blob", ore = "mcl_core:gravel", wherein = {"mcl_core:stone"}, clust_scarcity = 14*14*14, clust_num_ores = 33, clust_size = 5, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(111), }) -- Dirt minetest.register_ore({ ore_type = "blob", ore = "mcl_core:dirt", wherein = {"mcl_core:stone"}, clust_scarcity = 15*15*15, clust_num_ores = 33, clust_size = 4, y_min = mcl_vars.mg_overworld_min, y_max = mcl_vars.mg_overworld_max, }) -- Diorite, andesite and granite local specialstones = { "mcl_core:diorite", "mcl_core:andesite", "mcl_core:granite" } for s=1, #specialstones do local node = specialstones[s] minetest.register_ore({ ore_type = "blob", ore = node, wherein = {"mcl_core:stone"}, clust_scarcity = 15*15*15, clust_num_ores = 33, clust_size = 5, y_min = mcl_vars.mg_overworld_min, y_max = mcl_vars.mg_overworld_max, }) minetest.register_ore({ ore_type = "blob", ore = node, wherein = {"mcl_core:stone"}, clust_scarcity = 10*10*10, clust_num_ores = 58, clust_size = 7, y_min = mcl_vars.mg_overworld_min, y_max = mcl_vars.mg_overworld_max, }) end -- -- Coal -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 525*3, clust_num_ores = 5, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(50), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 510*3, clust_num_ores = 8, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(50), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 500*3, clust_num_ores = 12, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(50), }) -- Medium-rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 550*3, clust_num_ores = 4, clust_size = 2, y_min = mcl_util.layer_to_y(51), y_max = mcl_util.layer_to_y(80), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 525*3, clust_num_ores = 6, clust_size = 3, y_min = mcl_util.layer_to_y(51), y_max = mcl_util.layer_to_y(80), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 500*3, clust_num_ores = 8, clust_size = 3, y_min = mcl_util.layer_to_y(51), y_max = mcl_util.layer_to_y(80), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 600*3, clust_num_ores = 3, clust_size = 2, y_min = mcl_util.layer_to_y(81), y_max = mcl_util.layer_to_y(128), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 550*3, clust_num_ores = 4, clust_size = 3, y_min = mcl_util.layer_to_y(81), y_max = mcl_util.layer_to_y(128), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = "mcl_core:stone", clust_scarcity = 500*3, clust_num_ores = 5, clust_size = 3, y_min = mcl_util.layer_to_y(81), y_max = mcl_util.layer_to_y(128), }) -- -- Iron -- minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_iron", wherein = "mcl_core:stone", clust_scarcity = 830, clust_num_ores = 5, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(39), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_iron", wherein = "mcl_core:stone", clust_scarcity = 1660, clust_num_ores = 4, clust_size = 2, y_min = mcl_util.layer_to_y(40), y_max = mcl_util.layer_to_y(63), }) -- -- Gold -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_gold", wherein = "mcl_core:stone", clust_scarcity = 4775, clust_num_ores = 5, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(30), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_gold", wherein = "mcl_core:stone", clust_scarcity = 6560, clust_num_ores = 7, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(30), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_gold", wherein = "mcl_core:stone", clust_scarcity = 13000, clust_num_ores = 4, clust_size = 2, y_min = mcl_util.layer_to_y(31), y_max = mcl_util.layer_to_y(33), }) -- -- Diamond -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = "mcl_core:stone", clust_scarcity = 10000, clust_num_ores = 4, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(12), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = "mcl_core:stone", clust_scarcity = 5000, clust_num_ores = 2, clust_size = 2, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(12), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = "mcl_core:stone", clust_scarcity = 10000, clust_num_ores = 8, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(12), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = "mcl_core:stone", clust_scarcity = 20000, clust_num_ores = 1, clust_size = 1, y_min = mcl_util.layer_to_y(13), y_max = mcl_util.layer_to_y(15), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = "mcl_core:stone", clust_scarcity = 20000, clust_num_ores = 2, clust_size = 2, y_min = mcl_util.layer_to_y(13), y_max = mcl_util.layer_to_y(15), }) -- -- Redstone -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_redstone", wherein = "mcl_core:stone", clust_scarcity = 500, clust_num_ores = 4, clust_size = 3, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(13), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_redstone", wherein = "mcl_core:stone", clust_scarcity = 800, clust_num_ores = 7, clust_size = 4, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(13), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_redstone", wherein = "mcl_core:stone", clust_scarcity = 1000, clust_num_ores = 4, clust_size = 3, y_min = mcl_util.layer_to_y(13), y_max = mcl_util.layer_to_y(15), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_redstone", wherein = "mcl_core:stone", clust_scarcity = 1600, clust_num_ores = 7, clust_size = 4, y_min = mcl_util.layer_to_y(13), y_max = mcl_util.layer_to_y(15), }) -- -- Emerald -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_emerald", wherein = "mcl_core:stone", clust_scarcity = 14340, clust_num_ores = 1, clust_size = 1, y_min = mcl_vars.mg_overworld_min, y_max = mcl_util.layer_to_y(29), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_emerald", wherein = "mcl_core:stone", clust_scarcity = 21510, clust_num_ores = 1, clust_size = 1, y_min = mcl_util.layer_to_y(30), y_max = mcl_util.layer_to_y(32), }) -- -- Lapis Lazuli -- -- Common spawn (in the center) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 10000, clust_num_ores = 7, clust_size = 4, y_min = mcl_util.layer_to_y(14), y_max = mcl_util.layer_to_y(16), }) -- Rare spawn (below center) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 12000, clust_num_ores = 6, clust_size = 3, y_min = mcl_util.layer_to_y(10), y_max = mcl_util.layer_to_y(13), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 14000, clust_num_ores = 5, clust_size = 3, y_min = mcl_util.layer_to_y(6), y_max = mcl_util.layer_to_y(9), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 16000, clust_num_ores = 4, clust_size = 3, y_min = mcl_util.layer_to_y(2), y_max = mcl_util.layer_to_y(5), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 18000, clust_num_ores = 3, clust_size = 2, y_min = mcl_util.layer_to_y(0), y_max = mcl_util.layer_to_y(2), }) -- Rare spawn (above center) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 12000, clust_num_ores = 6, clust_size = 3, y_min = mcl_util.layer_to_y(17), y_max = mcl_util.layer_to_y(20), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 14000, clust_num_ores = 5, clust_size = 3, y_min = mcl_util.layer_to_y(21), y_max = mcl_util.layer_to_y(24), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 16000, clust_num_ores = 4, clust_size = 3, y_min = mcl_util.layer_to_y(25), y_max = mcl_util.layer_to_y(28), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 18000, clust_num_ores = 3, clust_size = 2, y_min = mcl_util.layer_to_y(29), y_max = mcl_util.layer_to_y(32), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = "mcl_core:stone", clust_scarcity = 32000, clust_num_ores = 1, clust_size = 1, y_min = mcl_util.layer_to_y(31), y_max = mcl_util.layer_to_y(32), }) local function register_mgv6_decorations() -- Sugar canes minetest.register_decoration({ deco_type = "simple", place_on = {"mcl_core:dirt_with_grass"}, sidelen = 16, noise_params = { offset = -0.3, scale = 0.7, spread = {x = 100, y = 100, z = 100}, seed = 2, octaves = 3, persist = 0.7 }, y_min = 1, y_max = 1, decoration = "mcl_core:reeds", height = 2, height_max = 4, spawn_by = "mcl_core:water_source", num_spawn_by = 1, }) -- Cacti minetest.register_decoration({ deco_type = "simple", place_on = {"mcl_core:sand", "mcl_core:redsand"}, sidelen = 16, noise_params = { offset = -0.012, scale = 0.024, spread = {x = 100, y = 100, z = 100}, seed = 257, octaves = 3, persist = 0.6 }, y_min = 4, y_max = 30, decoration = "mcl_core:cactus", height = 1, height_max = 3, }) -- Tall grass minetest.register_decoration({ deco_type = "simple", place_on = {"mcl_core:dirt_with_grass"}, sidelen = 8, noise_params = { offset = 0, scale = 0.3, spread = {x = 500, y = 500, z = 500}, seed = 420, octaves = 2, persist = 0.6 }, y_min = 1, y_max = 50, decoration = "mcl_flowers:tallgrass", }) -- Add a small amount of tall grass everywhere to avoid areas completely empty devoid of tall grass minetest.register_decoration({ deco_type = "simple", place_on = {"mcl_core:dirt_with_grass"}, sidelen = 8, fill_ratio = 0.001, y_min = 1, y_max = 50, decoration = "mcl_flowers:tallgrass", }) -- Doubletall grass minetest.register_decoration({ deco_type = "schematic", schematic = { size = { x=1, y=3, z=1 }, data = { { name = "air", prob = 0 }, { name = "mcl_flowers:double_grass", param1=255, }, { name = "mcl_flowers:double_grass_top", param1=255, }, }, }, replacements = { ["mcl_flowers:tallgrass"] = "mcl_flowers:double_grass" }, place_on = {"mcl_core:dirt_with_grass"}, sidelen = 8, noise_params = { offset = -0.01, scale = 0.03, spread = {x = 500, y = 500, z = 500}, seed = 420, octaves = 2, persist = 0.6, }, y_min = 1, y_max = 40, flags = "", }) -- Large ferns minetest.register_decoration({ deco_type = "schematic", schematic = { size = { x=1, y=3, z=1 }, data = { { name = "air", prob = 0 }, { name = "mcl_flowers:double_fern", param1=255, }, { name = "mcl_flowers:double_fern_top", param1=255, }, }, }, replacements = { ["mcl_flowers:fern"] = "mcl_flowers:double_fern" }, -- This makes sure large ferns only appear in jungles spawn_by = { "mcl_core:jungletree", "mcl_flowers:fern" }, num_spawn_by = 1, place_on = {"mcl_core:dirt_with_grass"}, sidelen = 16, noise_params = { offset = 0, scale = 0.01, spread = {x = 250, y = 250, z = 250}, seed = 333, octaves = 2, persist = 0.66, }, y_min = 1, y_max = 30, flags = "", }) -- Dead bushes minetest.register_decoration({ deco_type = "simple", place_on = {"mcl_core:sand", "mcl_core:redsand", "mcl_core:podzol", "mcl_core:coarse_dirt", "mcl_colorblocks:hardened_clay"}, sidelen = 16, noise_params = { offset = 0, scale = 0.035, spread = {x = 100, y = 100, z = 100}, seed = 1972, octaves = 3, persist = 0.6 }, y_min = 4, y_max = 50, decoration = "mcl_core:deadbush", }) local function register_mgv6_flower(name, seed) minetest.register_decoration({ deco_type = "simple", place_on = {"mcl_core:dirt_with_grass"}, sidelen = 16, noise_params = { offset = 0, scale = 0.006, spread = {x = 100, y = 100, z = 100}, seed = seed, octaves = 3, persist = 0.6 }, y_min = 1, y_max = 30, decoration = "mcl_flowers:"..name, }) end register_mgv6_flower("tulip_red", 436) register_mgv6_flower("tulip_orange", 536) register_mgv6_flower("tulip_pink", 636) register_mgv6_flower("tulip_white", 736) register_mgv6_flower("azure_bluet", 800) register_mgv6_flower("dandelion", 8) register_mgv6_flower("allium", 0) register_mgv6_flower("blue_orchid", 64500) register_mgv6_flower("oxeye_daisy", 3490) register_mgv6_flower("poppy", 9439) end minetest.register_on_generated(function(minp, maxp, seed) if maxp.y >= 2 and minp.y <= 0 then -- Generate clay -- Assume X and Z lengths are equal local divlen = 4 local divs = (maxp.x-minp.x)/divlen+1; for divx=0+1,divs-1-1 do for divz=0+1,divs-1-1 do local cx = minp.x + math.floor((divx+0.5)*divlen) local cz = minp.z + math.floor((divz+0.5)*divlen) if minetest.get_node({x=cx,y=1,z=cz}).name == "mcl_core:water_source" and minetest.get_node({x=cx,y=0,z=cz}).name == "mcl_core:sand" then local is_shallow = true local num_water_around = 0 if minetest.get_node({x=cx-divlen*2,y=1,z=cz+0}).name == "mcl_core:water_source" then num_water_around = num_water_around + 1 end if minetest.get_node({x=cx+divlen*2,y=1,z=cz+0}).name == "mcl_core:water_source" then num_water_around = num_water_around + 1 end if minetest.get_node({x=cx+0,y=1,z=cz-divlen*2}).name == "mcl_core:water_source" then num_water_around = num_water_around + 1 end if minetest.get_node({x=cx+0,y=1,z=cz+divlen*2}).name == "mcl_core:water_source" then num_water_around = num_water_around + 1 end if num_water_around >= 2 then is_shallow = false end if is_shallow then for x1=-divlen,divlen do for z1=-divlen,divlen do if minetest.get_node({x=cx+x1,y=0,z=cz+z1}).name == "mcl_core:sand" or minetest.get_node({x=cx+x1,y=0,z=cz+z1}).name == "mcl_core:sandstone" then minetest.set_node({x=cx+x1,y=0,z=cz+z1}, {name="mcl_core:clay"}) end end end end end end end -- Generate reeds 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 reeds amount from perlin noise local reeds_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 45 - 20) -- Find random positions for reeds based on this random local pr = PseudoRandom(seed+1) for i=0,reeds_amount do local x = pr:next(x0, x1) local z = pr:next(z0, z1) local p = {x=x,y=1,z=z} if minetest.get_node(p).name == "mcl_core:sand" then if math.random(0,1000) == 1 then -- 0,12000 -- Spawn sand temple random_struct.call_struct(p,2) end 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 = 5 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}) * 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 nn == "mcl_core:dirt_with_grass" then if math.random(0,12000) == 1 then -- Spawn town -- TODO: Re-enable random_struct -- Towns often float around in air which doesn't look nice --random_struct.call_struct(p,1) end end end end end end end end end) -- Generate bedrock layer or layers local BEDROCK_MIN = mcl_vars.mg_bedrock_overworld_min local BEDROCK_MAX = mcl_vars.mg_bedrock_overworld_max -- Below the bedrock, generate air/void minetest.register_on_generated(function(minp, maxp) if minp.y <= BEDROCK_MAX then local vm, emin, emax = minetest.get_mapgen_object("voxelmanip") local data = vm:get_data() local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax}) local c_bedrock = minetest.get_content_id("mcl_core:bedrock") local c_void = minetest.get_content_id("mcl_core:void") for y = minp.y, math.min(maxp.y, BEDROCK_MAX) do for x = minp.x, maxp.x do for z = minp.z, maxp.z do local p_pos = area:index(x, y, z) local setdata = nil if mcl_vars.mg_bedrock_is_rough then -- Bedrock layers with increasing levels of roughness, until a perfecly flat bedrock later at the bottom layer -- This code assumes a bedrock height of 5 layers. if y == BEDROCK_MAX then -- 50% bedrock chance if math.random(1,2) == 1 then setdata = c_bedrock end elseif y == BEDROCK_MAX -1 then -- 66.666...% if math.random(1,3) <= 2 then setdata = c_bedrock end elseif y == BEDROCK_MAX -2 then -- 75% if math.random(1,4) <= 3 then setdata = c_bedrock end elseif y == BEDROCK_MAX -3 then -- 90% if math.random(1,10) <= 9 then setdata = c_bedrock end elseif y == BEDROCK_MAX -4 then -- 100% setdata = c_bedrock elseif y < BEDROCK_MIN then setdata = c_void end else -- Perfectly flat bedrock layer(s) if y >= BEDROCK_MIN and y <= BEDROCK_MAX then setdata = c_bedrock elseif y < BEDROCK_MIN then setdata = c_void end end if setdata then data[p_pos] = setdata end end end end vm:set_data(data) vm:calc_lighting() vm:update_liquids() vm:write_to_map() end end) -- Apply mapgen-specific mapgen code local mg_name = minetest.get_mapgen_setting("mg_name") if mg_name == "v6" then register_mgv6_decorations() end if mg_name == "flat" then minetest.set_mapgen_setting("mg_flags", "nocaves,nodungeons,nodecorations") else minetest.set_mapgen_setting("mg_flags", "nodungeons") end