mcl_mapgen_core = {} -- -- Aliases for map generator outputs -- local mcl_mushrooms = minetest.get_modpath("mcl_mushrooms") 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_grass_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", "air") -- Built-in lava generator is too unpredictable, we generate lava on our own minetest.register_alias("mapgen_cobble", "mcl_core:cobble") minetest.register_alias("mapgen_mossycobble", "mcl_core:mossycobble") if minetest.get_modpath("mcl_flowers") then minetest.register_alias("mapgen_junglegrass", "mcl_flowers:fern") end 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") if minetest.get_modpath("mclx_core") then minetest.register_alias("mapgen_river_water_source", "mclx_core:river_water_source") else minetest.register_alias("mapgen_river_water_source", "mcl_core:water_source") end 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_sandstonebrick", "mcl_core:sandstonesmooth") if minetest.get_modpath("mcl_stairs") then minetest.register_alias("mapgen_stair_cobble", "mcl_stairs:stair_cobble") minetest.register_alias("mapgen_stair_sandstonebrick", "mcl_stairs:stair_sandstone") minetest.register_alias("mapgen_stair_sandstone_block", "mcl_stairs:stair_sandstone") minetest.register_alias("mapgen_stair_desert_stone", "mcl_stairs:stair_sandstone") end local mg_name = mcl_mapgen.name local superflat = mcl_mapgen.superflat local v6 = mcl_mapgen.v6 local singlenode = mcl_mapgen.singlenode local flat = mcl_mapgen.flat -- Content IDs local c_bedrock = minetest.get_content_id("mcl_core:bedrock") local c_dirt = minetest.get_content_id("mcl_core:dirt") local c_dirt_with_grass = minetest.get_content_id("mcl_core:dirt_with_grass") local c_void = minetest.get_content_id("mcl_core:void") local c_lava = minetest.get_content_id("mcl_core:lava_source") local c_nether = nil if minetest.get_modpath("mcl_nether") then c_nether = { soul_sand = minetest.get_content_id("mcl_nether:soul_sand"), netherrack = minetest.get_content_id("mcl_nether:netherrack"), lava = minetest.get_content_id("mcl_nether:nether_lava_source") } end local c_realm_barrier = minetest.get_content_id("mcl_core:realm_barrier") local c_air = minetest.CONTENT_AIR -- -- Ore generation -- -- 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_mapgen.overworld.min, y_max = mcl_mapgen.overworld.max, noise_params = { offset = 0, scale = 1, spread = {x=250, y=250, z=250}, seed = 12345, octaves = 3, persist = 0.6, lacunarity = 2, flags = "defaults", } }) 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_mapgen.overworld.min, y_max = mcl_mapgen.overworld.max, noise_params = { offset = 0, scale = 1, spread = {x=250, y=250, z=250}, seed = 12345, octaves = 3, persist = 0.6, lacunarity = 2, flags = "defaults", } }) end local stonelike = {"mcl_core:stone", "mcl_core:diorite", "mcl_core:andesite", "mcl_core:granite"} -- Dirt minetest.register_ore({ ore_type = "blob", ore = "mcl_core:dirt", wherein = stonelike, clust_scarcity = 15*15*15, clust_num_ores = 33, clust_size = 4, y_min = mcl_mapgen.overworld.min, y_max = mcl_mapgen.overworld.max, noise_params = { offset = 0, scale = 1, spread = {x=250, y=250, z=250}, seed = 12345, octaves = 3, persist = 0.6, lacunarity = 2, flags = "defaults", } }) -- Gravel minetest.register_ore({ ore_type = "blob", ore = "mcl_core:gravel", wherein = stonelike, clust_scarcity = 14*14*14, clust_num_ores = 33, clust_size = 5, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(111), noise_params = { offset = 0, scale = 1, spread = {x=250, y=250, z=250}, seed = 12345, octaves = 3, persist = 0.6, lacunarity = 2, flags = "defaults", } }) if minetest.settings:get_bool("mcl_generate_ores", true) then -- -- Coal -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 525*3, clust_num_ores = 5, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(50), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 510*3, clust_num_ores = 8, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(50), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 500*3, clust_num_ores = 12, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(50), }) -- Medium-rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 550*3, clust_num_ores = 4, clust_size = 2, y_min = mcl_worlds.layer_to_y(51), y_max = mcl_worlds.layer_to_y(80), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 525*3, clust_num_ores = 6, clust_size = 3, y_min = mcl_worlds.layer_to_y(51), y_max = mcl_worlds.layer_to_y(80), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 500*3, clust_num_ores = 8, clust_size = 3, y_min = mcl_worlds.layer_to_y(51), y_max = mcl_worlds.layer_to_y(80), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 600*3, clust_num_ores = 3, clust_size = 2, y_min = mcl_worlds.layer_to_y(81), y_max = mcl_worlds.layer_to_y(128), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 550*3, clust_num_ores = 4, clust_size = 3, y_min = mcl_worlds.layer_to_y(81), y_max = mcl_worlds.layer_to_y(128), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_coal", wherein = stonelike, clust_scarcity = 500*3, clust_num_ores = 5, clust_size = 3, y_min = mcl_worlds.layer_to_y(81), y_max = mcl_worlds.layer_to_y(128), }) -- -- Iron -- minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_iron", wherein = stonelike, clust_scarcity = 830, clust_num_ores = 5, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(39), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_iron", wherein = stonelike, clust_scarcity = 1660, clust_num_ores = 4, clust_size = 2, y_min = mcl_worlds.layer_to_y(40), y_max = mcl_worlds.layer_to_y(63), }) -- -- Gold -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_gold", wherein = stonelike, clust_scarcity = 4775, clust_num_ores = 5, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(30), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_gold", wherein = stonelike, clust_scarcity = 6560, clust_num_ores = 7, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(30), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_gold", wherein = stonelike, clust_scarcity = 13000, clust_num_ores = 4, clust_size = 2, y_min = mcl_worlds.layer_to_y(31), y_max = mcl_worlds.layer_to_y(33), }) -- -- Diamond -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = stonelike, clust_scarcity = 10000, clust_num_ores = 4, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(12), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = stonelike, clust_scarcity = 5000, clust_num_ores = 2, clust_size = 2, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(12), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = stonelike, clust_scarcity = 10000, clust_num_ores = 8, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(12), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = stonelike, clust_scarcity = 20000, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(13), y_max = mcl_worlds.layer_to_y(15), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_diamond", wherein = stonelike, clust_scarcity = 20000, clust_num_ores = 2, clust_size = 2, y_min = mcl_worlds.layer_to_y(13), y_max = mcl_worlds.layer_to_y(15), }) -- -- Redstone -- -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_redstone", wherein = stonelike, clust_scarcity = 500, clust_num_ores = 4, clust_size = 3, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(13), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_redstone", wherein = stonelike, clust_scarcity = 800, clust_num_ores = 7, clust_size = 4, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(13), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_redstone", wherein = stonelike, clust_scarcity = 1000, clust_num_ores = 4, clust_size = 3, y_min = mcl_worlds.layer_to_y(13), y_max = mcl_worlds.layer_to_y(15), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_redstone", wherein = stonelike, clust_scarcity = 1600, clust_num_ores = 7, clust_size = 4, y_min = mcl_worlds.layer_to_y(13), y_max = mcl_worlds.layer_to_y(15), }) -- -- Emerald -- if v6 then -- Generate everywhere in v6, but rarely. -- Common spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_emerald", wherein = stonelike, clust_scarcity = 14340, clust_num_ores = 1, clust_size = 1, y_min = mcl_mapgen.overworld.min, y_max = mcl_worlds.layer_to_y(29), }) -- Rare spawn minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_emerald", wherein = stonelike, clust_scarcity = 21510, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(30), y_max = mcl_worlds.layer_to_y(32), }) end -- -- Lapis Lazuli -- -- Common spawn (in the center) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 10000, clust_num_ores = 7, clust_size = 4, y_min = mcl_worlds.layer_to_y(14), y_max = mcl_worlds.layer_to_y(16), }) -- Rare spawn (below center) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 12000, clust_num_ores = 6, clust_size = 3, y_min = mcl_worlds.layer_to_y(10), y_max = mcl_worlds.layer_to_y(13), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 14000, clust_num_ores = 5, clust_size = 3, y_min = mcl_worlds.layer_to_y(6), y_max = mcl_worlds.layer_to_y(9), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 16000, clust_num_ores = 4, clust_size = 3, y_min = mcl_worlds.layer_to_y(2), y_max = mcl_worlds.layer_to_y(5), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 18000, clust_num_ores = 3, clust_size = 2, y_min = mcl_worlds.layer_to_y(0), y_max = mcl_worlds.layer_to_y(2), }) -- Rare spawn (above center) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 12000, clust_num_ores = 6, clust_size = 3, y_min = mcl_worlds.layer_to_y(17), y_max = mcl_worlds.layer_to_y(20), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 14000, clust_num_ores = 5, clust_size = 3, y_min = mcl_worlds.layer_to_y(21), y_max = mcl_worlds.layer_to_y(24), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 16000, clust_num_ores = 4, clust_size = 3, y_min = mcl_worlds.layer_to_y(25), y_max = mcl_worlds.layer_to_y(28), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 18000, clust_num_ores = 3, clust_size = 2, y_min = mcl_worlds.layer_to_y(29), y_max = mcl_worlds.layer_to_y(32), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:stone_with_lapis", wherein = stonelike, clust_scarcity = 32000, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(31), y_max = mcl_worlds.layer_to_y(32), }) end if not superflat then -- Water and lava springs (single blocks of lava/water source) -- Water appears at nearly every height, but not near the bottom minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:water_source", wherein = {"mcl_core:stone", "mcl_core:andesite", "mcl_core:diorite", "mcl_core:granite", "mcl_core:dirt"}, clust_scarcity = 9000, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(5), y_max = mcl_worlds.layer_to_y(128), }) -- Lava springs are rather common at -31 and below minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:lava_source", wherein = stonelike, clust_scarcity = 2000, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(1), y_max = mcl_worlds.layer_to_y(10), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:lava_source", wherein = stonelike, clust_scarcity = 9000, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(11), y_max = mcl_worlds.layer_to_y(31), }) -- Lava springs will become gradually rarer with increasing height minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:lava_source", wherein = stonelike, clust_scarcity = 32000, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(32), y_max = mcl_worlds.layer_to_y(47), }) minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:lava_source", wherein = stonelike, clust_scarcity = 72000, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(48), y_max = mcl_worlds.layer_to_y(61), }) -- Lava may even appear above surface, but this is very rare minetest.register_ore({ ore_type = "scatter", ore = "mcl_core:lava_source", wherein = stonelike, clust_scarcity = 96000, clust_num_ores = 1, clust_size = 1, y_min = mcl_worlds.layer_to_y(62), y_max = mcl_worlds.layer_to_y(127), }) end local function register_mgv6_decorations() -- Cacti minetest.register_decoration({ deco_type = "simple", place_on = {"group:sand"}, 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 = mcl_mapgen.overworld.max, decoration = "mcl_core:cactus", height = 1, height_max = 3, }) -- Sugar canes minetest.register_decoration({ deco_type = "simple", place_on = {"mcl_core:dirt", "mcl_core:coarse_dirt", "group:grass_block_no_snow", "group:sand", "mcl_core:podzol", "mcl_core:reeds"}, sidelen = 16, noise_params = { offset = -0.3, scale = 0.7, spread = {x = 100, y = 100, z = 100}, seed = 465, octaves = 3, persist = 0.7 }, y_min = 1, y_max = mcl_mapgen.overworld.max, decoration = "mcl_core:reeds", height = 1, height_max = 3, spawn_by = { "mcl_core:water_source", "group:frosted_ice" }, num_spawn_by = 1, }) if minetest.get_modpath("mcl_flowers") then -- 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, }, }, }, place_on = {"group:grass_block_no_snow"}, sidelen = 8, noise_params = { offset = -0.0025, scale = 0.03, spread = {x = 100, y = 100, z = 100}, seed = 420, octaves = 3, persist = 0.0, }, y_min = 1, y_max = mcl_mapgen.overworld.max, }) -- 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, }, }, }, -- v6 hack: This makes sure large ferns only appear in jungles spawn_by = spawn_by_in_jungle, num_spawn_by = 1, place_on = {"group:grass_block_no_snow"}, 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 = mcl_mapgen.overworld.max, }) -- Large flowers local function register_large_flower(name, seed, offset) minetest.register_decoration({ deco_type = "schematic", schematic = { size = { x=1, y=3, z=1 }, data = { { name = "air", prob = 0 }, { name = "mcl_flowers:"..name, param1=255, }, { name = "mcl_flowers:"..name.."_top", param1=255, }, }, }, place_on = {"group:grass_block_no_snow"}, sidelen = 16, noise_params = { offset = offset, scale = 0.01, spread = {x = 300, y = 300, z = 300}, seed = seed, octaves = 5, persist = 0.62, }, y_min = 1, y_max = mcl_mapgen.overworld.max, flags = "", }) end register_large_flower("rose_bush", 9350, -0.008) register_large_flower("peony", 10450, -0.008) register_large_flower("lilac", 10600, -0.007) register_large_flower("sunflower", 2940, -0.005) -- Lily pad minetest.register_decoration({ deco_type = "schematic", schematic = { size = { x=1, y=3, z=1 }, data = { { name = "mcl_core:water_source", prob = 0 }, { name = "mcl_core:water_source" }, { name = "mcl_flowers:waterlily", param1 = 255 }, }, }, place_on = "mcl_core:dirt", sidelen = 16, noise_params = { offset = -0.12, scale = 0.3, spread = {x = 200, y = 200, z = 200}, seed = 503, octaves = 6, persist = 0.7, }, y_min = 0, y_max = 0, rotation = "random", }) end if minetest.get_modpath("mcl_farming") then -- Pumpkin minetest.register_decoration({ deco_type = "simple", decoration = "mcl_farming:pumpkin_face", param2 = 0, param2_max = 3, place_on = {"group:grass_block_no_snow"}, sidelen = 16, noise_params = { offset = -0.008, scale = 0.00666, spread = {x = 250, y = 250, z = 250}, seed = 666, octaves = 6, persist = 0.666 }, y_min = 1, y_max = mcl_mapgen.overworld.max, }) -- Melon minetest.register_decoration({ deco_type = "simple", place_on = {"group:grass_block_no_snow"}, sidelen = 16, noise_params = { offset = 0.002, scale = 0.006, spread = {x = 250, y = 250, z = 250}, seed = 333, octaves = 3, persist = 0.6 }, -- Small trick to make sure melon spawn in jungles spawn_by = spawn_by_in_jungle, num_spawn_by = 1, y_min = 1, y_max = 40, decoration = "mcl_farming:melon", }) end -- Tall grass if minetest.get_modpath("mcl_flowers") then minetest.register_decoration({ deco_type = "simple", place_on = {"group:grass_block_no_snow"}, sidelen = 8, noise_params = { offset = 0.01, scale = 0.3, spread = {x = 100, y = 100, z = 100}, seed = 420, octaves = 3, persist = 0.6 }, y_min = 1, y_max = mcl_mapgen.overworld.max, decoration = "mcl_flowers:tallgrass", }) minetest.register_decoration({ deco_type = "simple", place_on = {"group:grass_block_no_snow"}, sidelen = 8, noise_params = { offset = 0.04, scale = 0.03, spread = {x = 100, y = 100, z = 100}, seed = 420, octaves = 3, persist = 0.6 }, y_min = 1, y_max = mcl_mapgen.overworld.max, decoration = "mcl_flowers:tallgrass", }) end -- Seagrass and kelp if minetest.get_modpath("mcl_ocean") then local materials = {"dirt","sand"} for i=1, #materials do local mat = materials[i] minetest.register_decoration({ deco_type = "simple", spawn_by = {"group:water"}, num_spawn_by = 1, place_on = {"mcl_core:"..mat}, sidelen = 8, noise_params = { offset = 0.04, scale = 0.3, spread = {x = 100, y = 100, z = 100}, seed = 421, octaves = 3, persist = 0.6 }, flags = "force_placement", place_offset_y = -1, y_min = mcl_mapgen.overworld.min, y_max = 0, decoration = "mcl_ocean:seagrass_"..mat, }) minetest.register_decoration({ deco_type = "simple", spawn_by = {"group:water"}, num_spawn_by = 1, place_on = {"mcl_core:mat"}, sidelen = 8, noise_params = { offset = 0.08, scale = 0.03, spread = {x = 100, y = 100, z = 100}, seed = 421, octaves = 3, persist = 0.6 }, flags = "force_placement", place_offset_y = -1, y_min = mcl_mapgen.overworld.min, y_max = -5, decoration = "mcl_ocean:seagrass_"..mat, }) minetest.register_decoration({ deco_type = "simple", spawn_by = {"group:water"}, num_spawn_by = 1, place_on = {"mcl_core:"..mat}, sidelen = 16, noise_params = { offset = 0.01, scale = 0.01, spread = {x = 300, y = 300, z = 300}, seed = 505, octaves = 5, persist = 0.62, }, flags = "force_placement", place_offset_y = -1, y_min = mcl_mapgen.overworld.min, y_max = -6, decoration = "mcl_ocean:kelp_"..mat, param2 = 16, param2_max = 96, }) minetest.register_decoration({ deco_type = "simple", spawn_by = {"group:water"}, num_spawn_by = 1, place_on = {"mcl_core:"..mat}, sidelen = 16, noise_params = { offset = 0.01, scale = 0.01, spread = {x = 100, y = 100, z = 100}, seed = 506, octaves = 5, persist = 0.62, }, flags = "force_placement", place_offset_y = -1, y_min = mcl_mapgen.overworld.min, y_max = -15, decoration = "mcl_ocean:kelp_"..mat, param2 = 32, param2_max = 160, }) end end -- Add a small amount of tall grass everywhere to avoid areas completely empty devoid of tall grass if minetest.get_modpath("mcl_flowers") then minetest.register_decoration({ deco_type = "simple", place_on = {"group:grass_block_no_snow"}, sidelen = 8, fill_ratio = 0.004, y_min = 1, y_max = mcl_mapgen.overworld.max, decoration = "mcl_flowers:tallgrass", }) end if mcl_mushrooms then local mushrooms = {"mcl_mushrooms:mushroom_red", "mcl_mushrooms:mushroom_brown"} local mseeds = { 7133, 8244 } for m=1, #mushrooms do -- Mushrooms next to trees minetest.register_decoration({ deco_type = "simple", place_on = {"group:grass_block_no_snow", "mcl_core:dirt", "mcl_core:podzol", "mcl_core:mycelium", "mcl_core:stone", "mcl_core:andesite", "mcl_core:diorite", "mcl_core:granite"}, sidelen = 16, noise_params = { offset = 0.04, scale = 0.04, spread = {x = 100, y = 100, z = 100}, seed = mseeds[m], octaves = 3, persist = 0.6 }, y_min = 1, y_max = mcl_mapgen.overworld.max, decoration = mushrooms[m], spawn_by = { "mcl_core:tree", "mcl_core:sprucetree", "mcl_core:darktree", "mcl_core:birchtree", }, num_spawn_by = 1, }) end end -- Dead bushes minetest.register_decoration({ deco_type = "simple", place_on = {"group:sand", "mcl_core:podzol", "mcl_core:dirt", "mcl_core:coarse_dirt", "group: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 = mcl_mapgen.overworld.max, decoration = "mcl_core:deadbush", }) if minetest.get_modpath("mcl_flowers") then local function register_mgv6_flower(name, seed, offset, y_max) if offset == nil then offset = 0 end if y_max == nil then y_max = mcl_mapgen.overworld.max end minetest.register_decoration({ deco_type = "simple", place_on = {"group:grass_block_no_snow"}, sidelen = 16, noise_params = { offset = offset, scale = 0.006, spread = {x = 100, y = 100, z = 100}, seed = seed, octaves = 3, persist = 0.6 }, y_min = 1, y_max = y_max, 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) -- Allium is supposed to only appear in flower forest in MC. There are no flower forests in v6. -- We compensate by making it slightly rarer in v6. register_mgv6_flower("allium", 0, -0.001) --[[ Blue orchid is supposed to appear in swamplands. There are no swamplands in v6. We emulate swamplands by limiting the height to 5 levels above sea level, which should be close to the water. ]] register_mgv6_flower("blue_orchid", 64500, nil, mcl_worlds.layer_to_y(67)) register_mgv6_flower("oxeye_daisy", 3490) register_mgv6_flower("poppy", 9439) end -- Put top snow on snowy grass blocks. The v6 mapgen does not generate the top snow on its own. minetest.register_decoration({ deco_type = "simple", place_on = {"group:grass_block_snow"}, sidelen = 16, fill_ratio = 11.0, -- complete coverage y_min = 1, y_max = mcl_mapgen.overworld.max, decoration = "mcl_core:snow", }) end local mg_flags = minetest.settings:get_flags("mg_flags") -- Inform other mods of dungeon setting for MCL2-style dungeons mcl_vars.mg_dungeons = mcl_mapgen.dungeons -- Disable builtin dungeons, we provide our own dungeons mg_flags.dungeons = false -- Apply mapgen-specific mapgen code if v6 then register_mgv6_decorations() elseif superflat then -- Enforce superflat-like mapgen: no caves, decor, lakes and hills mg_flags.caves = false mg_flags.decorations = false minetest.set_mapgen_setting("mgflat_spflags", "nolakes,nohills", true) end local mg_flags_str = "" for k,v in pairs(mg_flags) do if v == false then k = "no" .. k end mg_flags_str = mg_flags_str .. k .. "," end if string.len(mg_flags_str) > 0 then mg_flags_str = string.sub(mg_flags_str, 1, string.len(mg_flags_str)-1) end minetest.set_mapgen_setting("mg_flags", mg_flags_str, true) -- Generate basic layer-based nodes: void, bedrock, realm barrier, lava seas, etc. -- Also perform some basic node replacements. local bedrock_check if mcl_mapgen.bedrock_is_rough then function bedrock_check(pos, _, pr) local y = pos.y -- 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. local diff = mcl_mapgen.overworld.bedrock_max - y -- Overworld bedrock local ndiff1 = mcl_mapgen.nether.bedrock_bottom_max - y -- Nether bedrock, bottom local ndiff2 = mcl_mapgen.nether.bedrock_top_max - y -- Nether bedrock, ceiling local top if diff == 0 or ndiff1 == 0 or ndiff2 == 4 then -- 50% bedrock chance top = 2 elseif diff == 1 or ndiff1 == 1 or ndiff2 == 3 then -- 66.666...% top = 3 elseif diff == 2 or ndiff1 == 2 or ndiff2 == 2 then -- 75% top = 4 elseif diff == 3 or ndiff1 == 3 or ndiff2 == 1 then -- 90% top = 10 elseif diff == 4 or ndiff1 == 4 or ndiff2 == 0 then -- 100% return true else -- Not in bedrock layer return false end return pr:next(1, top) <= top-1 end end -- Helper function to set all nodes in the layers between min and max. -- content_id: Node to set -- check: optional. -- If content_id, node will be set only if it is equal to check. -- If function(pos_to_check, content_id_at_this_pos), will set node only if returns true. -- min, max: Minimum and maximum Y levels of the layers to set -- minp, maxp: minp, maxp of the on_generated -- lvm_used: Set to true if any node in this on_generated has been set before. -- -- returns true if any node was set and lvm_used otherwise local function set_layers(vm_context, pr, min, max, content_id, check) local minp, maxp, data, area = vm_context.minp, vm_context.maxp, vm_context.data, vm_context.area if (maxp.y >= min and minp.y <= max) then for y = math.max(min, minp.y), math.min(max, maxp.y) do for x = minp.x, maxp.x do for z = minp.z, maxp.z do local p_pos = vm_context.area:index(x, y, z) if check then if type(check) == "function" and check({x=x,y=y,z=z}, data[p_pos], pr) then data[p_pos] = content_id vm_context.write = true elseif check == data[p_pos] then data[p_pos] = content_id vm_context.write = true end else vm_context.data[p_pos] = content_id vm_context.write = true end end end end end end ---- Generate layers of air, void, etc local air_layers = { {mcl_mapgen.nether.max + 1, mcl_mapgen.nether.max + 128} -- on Nether Roof } if flat then air_layers[#air_layers + 1] = {mcl_mapgen.nether.flat_floor, mcl_mapgen.nether.flat_ceiling} -- Flat Nether end -- Realm barrier between the Overworld void and the End local barrier_min = mcl_mapgen.realm_barrier_overworld_end_min local barrier_max = mcl_mapgen.realm_barrier_overworld_end_max local void_layers = { {mcl_mapgen.EDGE_MIN , mcl_mapgen.nether.min - 1 }, -- below Nether {mcl_mapgen.nether.max + 129, mcl_mapgen.end_.min - 1 }, -- below End (above Nether) {mcl_mapgen.end_.max + 1 , barrier_min - 1 }, -- below Realm Barrier, above End {barrier_max + 1 , mcl_mapgen.overworld.min - 1}, -- below Overworld, above Realm Barrier } local bedrock_layers = {} if not singlenode then bedrock_layers = { {mcl_mapgen.overworld.bedrock_min , mcl_mapgen.overworld.bedrock_max }, {mcl_mapgen.nether.bedrock_bottom_min, mcl_mapgen.nether.bedrock_bottom_max}, {mcl_mapgen.nether.bedrock_top_min , mcl_mapgen.nether.bedrock_top_max }, } end mcl_mapgen.register_mapgen_block_lvm(function(vm_context) local vm, data, area, minp, maxp, chunkseed, blockseed = vm_context.vm, vm_context.data, vm_context.area, vm_context.minp, vm_context.maxp, vm_context.chunkseed, vm_context.blockseed vm_context.param2_data = vm_context.param2_data or vm:get_param2_data(vm_context.lvm_param2_buffer) local param2_data = vm_context.param2_data local pr = PseudoRandom(blockseed) for _, layer in pairs(void_layers) do set_layers(vm_context, pr, layer[1], layer[2], c_void) end for _, layer in pairs(air_layers) do set_layers(vm_context, pr, layer[1], layer[2], c_air) end set_layers(vm_context, pr, barrier_min, barrier_max, c_realm_barrier) for _, layer in pairs(bedrock_layers) do set_layers(vm_context, pr, layer[1], layer[2], c_bedrock, bedrock_check) end if not singlenode then -- Big lava seas by replacing air below a certain height if mcl_mapgen.lava then set_layers(vm_context, pr, mcl_mapgen.overworld.min, mcl_mapgen.overworld.lava_max, c_lava, c_air) if c_nether then set_layers(vm_context, pr, mcl_mapgen.nether.min, mcl_mapgen.nether.lava_max, c_nether.lava, c_air) end end end end, 1) local modpath = minetest.get_modpath(minetest.get_current_modname()) dofile(modpath .. "/clay.lua") dofile(modpath .. "/tree_decoration.lua") dofile(modpath .. "/nether_wart.lua") dofile(modpath .. "/light.lua") if v6 then dofile(modpath .. "/v6.lua") elseif not singlenode then dofile(modpath .. "/biomes.lua") end if not singlenode and c_nether then dofile(modpath .. "/nether.lua") end