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MineClone2/mods/MAPGEN/mcl_mapgen_core/init.lua

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--
-- Aliases for map generator outputs
--
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")
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", "mcl_stairs:stair_cobble")
minetest.register_alias("mapgen_sandstonebrick", "mcl_core:sandstonesmooth")
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")
local mg_name = minetest.get_mapgen_setting("mg_name")
--
-- 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_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
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_vars.mg_overworld_min,
y_max = mcl_vars.mg_overworld_max,
})
-- 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_vars.mg_overworld_min,
y_max = mcl_util.layer_to_y(111),
})
--
-- 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_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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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 = stonelike,
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),
})
if mg_name ~= "flat" 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_util.layer_to_y(5),
y_max = mcl_util.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_util.layer_to_y(1),
y_max = mcl_util.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_util.layer_to_y(11),
y_max = mcl_util.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_util.layer_to_y(32),
y_max = mcl_util.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_util.layer_to_y(48),
y_max = mcl_util.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_util.layer_to_y(62),
y_max = mcl_util.layer_to_y(127),
})
end
-- Rarely replace stone with stone monster eggs
local monster_egg_scarcity
if mg_name == "v6" then
monster_egg_scarcity = 28 * 28 * 28
else
monster_egg_scarcity = 22 * 22 * 22
end
minetest.register_ore({
ore_type = "scatter",
ore = "mcl_monster_eggs:monster_egg_stone",
wherein = "mcl_core:stone",
clust_scarcity = monster_egg_scarcity,
clust_num_ores = 3,
clust_size = 2,
y_min = mcl_vars.mg_overworld_min,
y_max = mcl_vars.mg_overworld_max,
-- TODO: Limit by biome
})
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_vars.mg_overworld_max,
decoration = "mcl_core:cactus",
height = 1,
height_max = 3,
})
-- Sugar canes
minetest.register_decoration({
deco_type = "schematic",
place_on = {"mcl_core:dirt", "mcl_core:dirt_with_grass", "group:sand", "mcl_core:podzol"},
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 = 1,
height_max = 3,
spawn_by = { "mcl_core:water_source", "group:frosted_ice" },
num_spawn_by = 1,
})
-- 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 = 16,
noise_params = {
offset = -0.01,
scale = 0.03,
spread = {x = 300, y = 300, z = 300},
seed = 420,
octaves = 2,
persist = 0.6,
},
y_min = 1,
y_max = mcl_vars.mg_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, },
},
},
replacements = {
["mcl_flowers:fern"] = "mcl_flowers:double_fern"
},
-- v6 hack: 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:podzol"},
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_vars.mg_overworld_max,
})
-- Large flowers
local register_large_flower = function(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 = {"mcl_core:dirt_with_grass"},
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_vars.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)
-- Pumpkin
minetest.register_decoration({
deco_type = "schematic",
schematic = {
size = { x=1, y=2, z=1 },
data = {
{ name = "air", prob = 0 },
{ name = "mcl_farming:pumpkin_face", param1=255, },
},
},
place_on = {"mcl_core:dirt_with_grass"},
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 = 3,
y_max = mcl_vars.overworld_max,
rotation = "random",
})
-- Tall grass
minetest.register_decoration({
deco_type = "simple",
place_on = {"mcl_core:dirt_with_grass"},
sidelen = 8,
noise_params = {
offset = 0.01,
scale = 0.3,
spread = {x = 500, y = 500, z = 500},
seed = 420,
octaves = 2,
persist = 0.6
},
y_min = 1,
y_max = mcl_vars.overworld_max,
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 = mcl_vars.overworld_max,
decoration = "mcl_flowers:tallgrass",
})
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 = {"mcl_core:dirt_with_grass", "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_vars.mg_overworld_max,
decoration = mushrooms[m],
spawn_by = { "mcl_core:tree", "mcl_core:sprucetree", "mcl_core:darktree", "mcl_core:birchtree", "mcl_core:jungletree", },
num_spawn_by = 1,
})
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_vars.mg_overworld_max,
decoration = "mcl_core:deadbush",
})
local function register_mgv6_flower(name, seed, offset)
if offset == nil then
offset = 0
end
minetest.register_decoration({
deco_type = "simple",
place_on = {"mcl_core:dirt_with_grass"},
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 = mcl_vars.mg_overworld_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 and blue orchid are made slightly rarer in v6
to compensate for missing biomes. In Minecraft, those flowers only appear in special biomes. ]]
register_mgv6_flower("allium", 0, -0.001)
register_mgv6_flower("blue_orchid", 64500, -0.001)
register_mgv6_flower("oxeye_daisy", 3490)
register_mgv6_flower("poppy", 9439)
end
-- Apply mapgen-specific mapgen code
if mg_name == "v6" then
register_mgv6_decorations()
elseif mg_name == "flat" then
local classic = minetest.get_mapgen_setting("mcl_superflat_classic")
if classic == nil then
classic = minetest.settings:get_bool("mcl_superflat_classic")
minetest.set_mapgen_setting("mcl_superflat_classic", "true", true)
end
if classic ~= "false" then
-- Enforce superflat-like mapgen: No hills, lakes or caves
minetest.set_mapgen_setting("mg_flags", "nocaves,nodungeons,nodecorations,light", true)
minetest.set_mapgen_setting("mgflat_spflags", "nolakes,nohills", true)
else
-- If superflat mode is disabled, mapgen is way more liberal
minetest.set_mapgen_setting("mg_flags", "caves,nodungeons,nodecorations,light", true)
end
else
minetest.set_mapgen_setting("mg_flags", "caves,nodungeons,decorations,light", true)
end
-- Perlin noise objects
local perlin_structures
local perlin_vines, perlin_vines_fine, perlin_vines_upwards, perlin_vines_length, perlin_vines_density
-- Generate clay and structures
-- TODO: Try to use more efficient structure generating code
minetest.register_on_generated(function(minp, maxp, seed)
local chunk_has_desert_well = false
local chunk_has_desert_temple = false
local chunk_has_igloo = false
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
end
if maxp.y >= 3 and minp.y <= 64 then
-- Generate desert temples
perlin_structures = perlin_structures or 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 amount from perlin noise
local amount = math.floor(perlin_structures:get2d({x=x0, y=z0}) * 9)
-- Find random positions based on this random
local pr = PseudoRandom(seed+1)
for i=0, amount do
local x = pr:next(x0, x1)
local z = pr:next(z0, z1)
-- Find ground level
local ground_y = nil
for y=64,3,-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
local struct = false
-- Desert temples and desert wells
if nn == "mcl_core:sand" or (nn == "mcl_core:sandstone") then
if not chunk_has_desert_temple and not chunk_has_desert_well then
-- Spawn desert temple
-- TODO: Check surface
if math.random(1,12000) == 1 then
mcl_structures.call_struct(p, "desert_temple")
chunk_has_desert_temple = true
end
end
if not chunk_has_desert_temple and not chunk_has_desert_well then
-- Minecraft probability: 1/1000 per Minecraft chunk (16×16).
-- We adjust the probability to Minetest's MapBlock size.
local desert_well_prob = 1000 * (((maxp.x-minp.x+1)*(maxp.z-minp.z+1)) / 256)
-- Spawn desert well
if math.random(1, desert_well_prob) == 1 then
-- Check surface
local surface = minetest.find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, {x=p.x+5, y=p.y-1, z=p.z+5}, "mcl_core:sand")
if #surface >= 25 then
mcl_structures.call_struct(p, "desert_well")
chunk_has_desert_well = true
end
end
end
elseif not chunk_has_igloo and (nn == "mcl_core:snowblock" or nn == "mcl_core:snow" or nn == "mcl_core:dirt_with_grass_snow") then
if math.random(1, 4400) == 1 then
-- Check surface
local floor = {x=p.x+9, y=p.y-1, z=p.z+9}
local surface = minetest.find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, floor, "mcl_core:snowblock")
local surface2 = minetest.find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, floor, "mcl_core:dirt_with_grass_snow")
if #surface + #surface2 >= 63 then
mcl_structures.call_struct(p, "igloo")
chunk_has_igloo = true
end
end
end
end
end
end
end
end
end
end)
-- Generate bedrock layer or layers
local GEN_MAX = mcl_vars.mg_lava_overworld_max or mcl_vars.mg_bedrock_overworld_max
-- Buffer for LuaVoxelManip
local lvm_buffer = {}
-- Generate cocoas and vines at jungle trees within the bounding box
local function generate_jungle_tree_decorations(minp, maxp)
if maxp.y < 0 then
return
end
local pos, treepos, dir
local jungletree = minetest.find_nodes_in_area(minp, maxp, "mcl_core:jungletree")
local jungleleaves = minetest.find_nodes_in_area(minp, maxp, "mcl_core:jungleleaves")
-- Pass 1: Generate cocoas
for n = 1, #jungletree do
pos = jungletree[n]
treepos = table.copy(pos)
if minetest.find_node_near(pos, 1, {"mcl_core:jungleleaves"}) then
dir = math.random(1, 40)
if dir == 1 then
pos.z = pos.z + 1
elseif dir == 2 then
pos.z = pos.z - 1
elseif dir == 3 then
pos.x = pos.x + 1
elseif dir == 4 then
pos.x = pos.x -1
end
local nn = minetest.get_node(pos).name
if dir < 5
and nn == "air"
and minetest.get_node_light(pos) > 12 then
minetest.swap_node(pos, {
name = "mcl_cocoas:cocoa_" .. tostring(math.random(1, 3)),
param2 = minetest.dir_to_facedir(vector.subtract(treepos, pos))
})
end
end
end
-- Pass 2: Generate vines at jungle wood and jungle leaves
perlin_vines = perlin_vines or minetest.get_perlin(555, 4, 0.6, 500)
perlin_vines_fine = perlin_vines_fine or minetest.get_perlin(43000, 3, 0.6, 1)
perlin_vines_length = perlin_vines_length or minetest.get_perlin(435, 4, 0.6, 75)
perlin_vines_upwards = perlin_vines_upwards or minetest.get_perlin(436, 3, 0.6, 10)
perlin_vines_density = perlin_vines_density or minetest.get_perlin(436, 3, 0.6, 500)
local junglething
for i=1, 2 do
if i==1 then junglething = jungletree
else junglething = jungleleaves end
for n = 1, #junglething do
pos = junglething[n]
treepos = table.copy(pos)
local dirs = {
{x=1,y=0,z=0},
{x=-1,y=0,z=0},
{x=0,y=0,z=1},
{x=0,y=0,z=-1},
}
for d = 1, #dirs do
local pos = vector.add(pos, dirs[d])
local nn = minetest.get_node(pos).name
if perlin_vines:get2d(pos) > 0.1 and perlin_vines_fine:get3d(pos) > math.max(0.3333, perlin_vines_density:get2d(pos)) and nn == "air" then
local newnode = {
name = "mcl_core:vine",
param2 = minetest.dir_to_wallmounted(vector.subtract(treepos, pos))
}
-- Determine growth direction
local grow_upwards = false
-- Only possible on the wood, not on the leaves
if i == 1 then
grow_upwards = perlin_vines_upwards:get3d(pos) > 0.8
end
if grow_upwards then
-- Grow vines up 1-4 nodes, even through jungleleaves.
-- This may give climbing access all the way to the top of the tree :-)
-- But this will be fairly rare.
local length = math.ceil(math.abs(perlin_vines_length:get3d(pos)) * 4)
for l=0, length-1 do
local tnn = minetest.get_node(treepos).name
local nn = minetest.get_node(pos).name
if (nn == "air" or nn == "mcl_core:jungleleaves") and mcl_core.supports_vines(tnn) then
minetest.set_node(pos, newnode)
else
break
end
pos.y = pos.y + 1
treepos.y = treepos.y + 1
end
else
-- Grow vines down 1-7 nodes
local length = math.ceil(math.abs(perlin_vines_length:get3d(pos)) * 7)
for l=0, length-1 do
if minetest.get_node(pos).name == "air" then
minetest.set_node(pos, newnode)
else
break
end
pos.y = pos.y - 1
end
end
end
end
end
end
end
-- Generate mushrooms in caves
local generate_underground_mushrooms = function(minp, maxp)
-- Generate rare underground mushrooms
-- TODO: Make them appear in groups, use Perlin noise
if minp.y > 0 or maxp.y < -32 then
return
end
local bpos
local stone = minetest.find_nodes_in_area_under_air(minp, maxp, {"mcl_core:stone", "mcl_core:dirt", "mcl_core:mycelium", "mcl_core:podzol", "mcl_core:andesite", "mcl_core:diorite", "mcl_core:granite", "mcl_core:stone_with_coal", "mcl_core:stone_with_iron", "mcl_core:stone_with_gold"})
for n = 1, #stone do
bpos = {x = stone[n].x, y = stone[n].y + 1, z = stone[n].z }
if math.random(1,1000) < 4 and minetest.get_node_light(bpos, 0.5) <= 12 then
if math.random(1,2) == 1 then
minetest.set_node(bpos, {name = "mcl_mushrooms:mushroom_brown"})
else
minetest.set_node(bpos, {name = "mcl_mushrooms:mushroom_red"})
end
end
end
end
-- Below the bedrock, generate air/void
minetest.register_on_generated(function(minp, maxp)
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local data = vm:get_data(lvm_buffer)
local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax})
local lvm_used = false
local liquids_used = false
-- Generate bedrock and lava layers
if minp.y <= GEN_MAX then
local c_bedrock = minetest.get_content_id("mcl_core:bedrock")
local c_stone = minetest.get_content_id("mcl_core:stone")
local c_dirt = minetest.get_content_id("mcl_core:dirt")
local c_sand = minetest.get_content_id("mcl_core:sand")
local c_void = minetest.get_content_id("mcl_core:void")
local c_lava = minetest.get_content_id("mcl_core:lava_source")
local c_water = minetest.get_content_id("mcl_core:water_source")
local c_soul_sand = minetest.get_content_id("mcl_nether:soul_sand")
local c_netherrack = minetest.get_content_id("mcl_nether:netherrack")
local c_nether_lava = minetest.get_content_id("mcl_nether:nether_lava_source")
local c_end_stone = minetest.get_content_id("mcl_end:end_stone")
local c_realm_barrier = minetest.get_content_id("mcl_core:realm_barrier")
local c_air = minetest.get_content_id("air")
local max_y = math.min(maxp.y, GEN_MAX)
for y = minp.y, max_y 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
local is_bedrock = function(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_vars.mg_bedrock_overworld_max - y -- Overworld bedrock
local ndiff1 = mcl_vars.mg_bedrock_nether_bottom_max - y -- Nether bedrock, bottom
local ndiff2 = mcl_vars.mg_bedrock_nether_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 math.random(1, top) <= top-1
end
if is_bedrock(y) then
setdata = c_bedrock
end
else
-- Perfectly flat bedrock layer(s)
if (y >= mcl_vars.mg_bedrock_overworld_min and y <= mcl_vars.mg_bedrock_overworld_max) or
(y >= mcl_vars.mg_bedrock_nether_bottom_min and y <= mcl_vars.mg_bedrock_nether_bottom_max) or
(y >= mcl_vars.mg_bedrock_nether_top_min and y <= mcl_vars.mg_bedrock_nether_top_max) then
setdata = c_bedrock
end
end
if setdata then
data[p_pos] = setdata
lvm_used = true
elseif mcl_util.is_in_void({x=x,y=y,z=z}) then
data[p_pos] = c_void
lvm_used = true
-- Big lava seas by replacing air below a certain height
elseif mcl_vars.mg_lava and data[p_pos] == c_air then
if y <= mcl_vars.mg_lava_overworld_max and y >= mcl_vars.mg_overworld_min then
data[p_pos] = c_lava
lvm_used = true
liquids_used = true
elseif y <= mcl_vars.mg_lava_nether_max and y >= mcl_vars.mg_nether_min then
data[p_pos] = c_nether_lava
lvm_used = true
liquids_used = true
end
-- Water in the Nether or End? No way!
elseif data[p_pos] == c_water then
if y <= mcl_vars.mg_nether_max and y >= mcl_vars.mg_nether_min then
data[p_pos] = c_nether_lava
lvm_used = true
liquids_used = true
elseif y <= mcl_vars.mg_end_min + 104 and y >= mcl_vars.mg_end_min + 40 then
data[p_pos] = c_end_stone
lvm_used = true
elseif y <= mcl_vars.mg_end_max and y >= mcl_vars.mg_end_min then
data[p_pos] = c_air
lvm_used = true
end
-- Realm barrier between the Overworld void and the End
elseif y >= mcl_vars.mg_realm_barrier_overworld_end_min and y <= mcl_vars.mg_realm_barrier_overworld_end_max then
data[p_pos] = c_realm_barrier
lvm_used = true
-- Nether and End support for v6 because v6 does not support the biomes API
elseif mg_name == "v6" then
if y <= mcl_vars.mg_nether_max and y >= mcl_vars.mg_nether_min then
if data[p_pos] == c_stone then
data[p_pos] = c_netherrack
lvm_used = true
elseif data[p_pos] == c_sand or data[p_pos] == c_dirt then
data[p_pos] = c_soul_sand
lvm_used = true
end
elseif y <= mcl_vars.mg_end_max and y >= mcl_vars.mg_end_min then
if data[p_pos] == c_stone or data[p_pos] == c_dirt or data[p_pos] == c_sand then
data[p_pos] = c_air
lvm_used = true
end
end
end
end
end
end
end
-- Put top snow on grassy snow blocks created by the v6 mapgen
-- This is because the snowy grass block must only be used when it is below snow or top snow
if mg_name == "v6" then
local c_top_snow = minetest.get_content_id("mcl_core:snow")
local snowdirt = minetest.find_nodes_in_area_under_air(minp, maxp, "mcl_core:dirt_with_grass_snow")
for n = 1, #snowdirt do
-- CHECKME: What happens at chunk borders?
local p_pos = area:index(snowdirt[n].x, snowdirt[n].y + 1, snowdirt[n].z)
if p_pos then
data[p_pos] = c_top_snow
end
end
if #snowdirt > 1 then
lvm_used = true
end
end
-- Set high light level in the End. This is very hacky and messes up the shadows below the End islands.
-- FIXME: Find a better way to do light.
if minp.y >= mcl_vars.mg_end_min and maxp.y <= mcl_vars.mg_end_max then
vm:set_lighting({day=14, night=14})
lvm_used = true
end
if lvm_used then
vm:set_data(data)
vm:calc_lighting()
if liquids_used then
vm:update_liquids()
end
vm:write_to_map()
end
generate_underground_mushrooms(minp, maxp)
generate_jungle_tree_decorations(minp, maxp)
end)
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