etc/Mineclonia
0
0
Fork 0
mirror of https://git.minetest.land/Mineclonia/Mineclonia.git synced 2024-11-24 17:45:10 +00:00
Code Issues Projects Releases Wiki Activity
Mineclonia/mods/MAPGEN/mcl_mapgen_core/init.lua
Wuzzy 8576d36a2c Generate ice spikes in v6
2017-09-08 00:38:55 +02:00

1541 lines
46 KiB
Lua
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

--
-- 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 = "simple",
place_on = {"mcl_core:dirt", "mcl_core:coarse_dirt", "mcl_core:dirt_with_grass", "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 = 2,
octaves = 3,
persist = 0.7
},
y_min = 1,
y_max = mcl_vars.mg_overworld_max,
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)
-- 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",
})
-- 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" },
},
},
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", },
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()
minetest.set_mapgen_setting("mg_flags", "caves,nodungeons,decorations,light", true)
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_item_group(minetest.get_node({x=cx,y=0,z=cz}).name, "sand") == 1 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_item_group(minetest.get_node({x=cx+x1,y=0,z=cz+z1}).name, "sand") == 1 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 structures
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
-- Igloos
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
-- Ice spikes (v6 only)
if mg_name == "v6" and not chunk_has_igloo and nn == "mcl_core:snowblock" then
local spike = math.random(1, 3000)
if spike < 3 then
-- Check surface
local floor = {x=p.x+4, y=p.y-1, z=p.z+4}
local surface = minetest.find_nodes_in_area({x=p.x+1,y=p.y-1,z=p.z+1}, floor, {"mcl_core:snowblock", "mcl_core:dirt_with_grass_snow"})
-- Check for collision with spruce
local spruce_collisions = minetest.find_nodes_in_area({x=p.x+1,y=p.y+2,z=p.z+1}, {x=p.x+4, y=p.y+6, z=p.z+4}, {"mcl_core:sprucetree", "mcl_core:spruceleaves"})
if #surface >= 9 and #spruce_collisions == 0 then
mcl_structures.call_struct(p, "ice_spike_large")
end
elseif spike < 100 then
-- Check surface
local floor = {x=p.x+6, y=p.y-1, z=p.z+6}
local surface = minetest.find_nodes_in_area({x=p.x+1,y=p.y-1,z=p.z+1}, floor, {"mcl_core:snowblock", "mcl_core:dirt_with_grass_snow"})
-- Check for collision with spruce
local spruce_collisions = minetest.find_nodes_in_area({x=p.x+1,y=p.y+1,z=p.z+1}, {x=p.x+6, y=p.y+6, z=p.z+6}, {"mcl_core:sprucetree", "mcl_core:spruceleaves"})
if #surface >= 25 and #spruce_collisions == 0 then
mcl_structures.call_struct(p, "ice_spike_small")
end
end
end
end
end
end
end
end
end
end)
-- 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
local pr_shroom = PseudoRandom(os.time()-24359)
-- Generate mushrooms in caves manually.
-- Minetest's API does not support decorations in caves yet. :-(
local generate_underground_mushrooms = function(minp, maxp)
-- Generate rare underground mushrooms
-- TODO: Make them appear in groups, use Perlin noise
local min, max = mcl_vars.mg_lava_overworld_max + 4, 0
if minp.y > max or maxp.y < min 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 bpos.y >= min and bpos.y <= max and minetest.get_node_light(bpos, 0.5) <= 12 and pr_shroom:next(1,1000) < 4 then
if pr_shroom:next(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
local pr_nether = PseudoRandom(os.time()+667)
-- Generate Nether decorations manually: Eternal fire, mushrooms, nether wart
-- Minetest's API does not support decorations in caves yet. :-(
local generate_nether_decorations = function(minp, maxp)
if minp.y > mcl_vars.mg_nether_max or maxp.y < mcl_vars.mg_nether_min then
return
end
-- TODO: Generate everything based on Perlin noise instead of PseudoRandom
local bpos
local rack = minetest.find_nodes_in_area_under_air(minp, maxp, {"mcl_nether:netherrack"})
local magma = minetest.find_nodes_in_area_under_air(minp, maxp, {"mcl_nether:magma"})
local ssand = minetest.find_nodes_in_area_under_air(minp, maxp, {"mcl_nether:soul_sand"})
-- Helper function to spawn “fake” decoration
local special_deco = function(nodes, spawn_func)
for n = 1, #nodes do
bpos = {x = nodes[n].x, y = nodes[n].y + 1, z = nodes[n].z }
spawn_func(bpos)
end
end
-- Eternal fire on netherrack
special_deco(rack, function(bpos)
-- Eternal fire on netherrack
if pr_nether:next(1,100) <= 3 then
minetest.set_node(bpos, {name = "mcl_fire:eternal_fire"})
end
end)
-- Eternal fire on magma cubes
special_deco(magma, function(bpos)
if pr_nether:next(1,150) == 1 then
minetest.set_node(bpos, {name = "mcl_fire:eternal_fire"})
end
end)
-- Mushrooms on netherrack
-- Note: Spawned *after* the fire because of light level checks
special_deco(rack, function(bpos)
if bpos.y > mcl_vars.mg_lava_nether_max + 6 and minetest.get_node_light(bpos, 0.5) <= 12 and pr_nether:next(1,1000) <= 4 then
-- TODO: Make mushrooms appear in groups, use Perlin noise
if pr_nether:next(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)
-- Nether wart on soul sand
-- TODO: Spawn in Nether fortresses
special_deco(ssand, function(bpos)
if pr_nether:next(1,170) == 1 then
minetest.set_node(bpos, {name = "mcl_nether:nether_wart"})
end
end)
end
local GEN_MAX = mcl_vars.mg_lava_overworld_max or mcl_vars.mg_overworld_max
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_dirt_with_grass = minetest.get_content_id("mcl_core:dirt_with_grass")
local c_dirt_with_grass_snow = minetest.get_content_id("mcl_core:dirt_with_grass_snow")
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_top_snow = minetest.get_content_id("mcl_core:snow")
local c_snow_block = minetest.get_content_id("mcl_core:snowblock")
local c_air = minetest.get_content_id("air")
-- 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 ymin, ymax
-- Generate basic layer-based nodes: void, bedrock, realm barrier, lava seas, etc.
-- Also perform some basic node replacements.
-- 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(content_id, check, min, max, minp, maxp, lvm_used)
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 = area:index(x, y, z)
if check then
if type(check) == "function" and check({x=x,y=y,z=z}, data[p_pos]) then
data[p_pos] = content_id
lvm_used = true
elseif check == data[p_pos] then
data[p_pos] = content_id
lvm_used = true
end
else
data[p_pos] = content_id
lvm_used = true
end
end
end
end
end
return lvm_used
end
-- The Void
lvm_used = set_layers(c_void, nil, -31000, mcl_vars.mg_nether_min-1, minp, maxp, lvm_used)
lvm_used = set_layers(c_void, nil, mcl_vars.mg_nether_max+1, mcl_vars.mg_end_min-1, minp, maxp, lvm_used)
lvm_used = set_layers(c_void, nil, mcl_vars.mg_end_max+1, mcl_vars.mg_realm_barrier_overworld_end_min-1, minp, maxp, lvm_used)
lvm_used = set_layers(c_void, nil, mcl_vars.mg_realm_barrier_overworld_end_max+1, mcl_vars.mg_overworld_min-1, minp, maxp, lvm_used)
-- Realm barrier between the Overworld void and the End
lvm_used = set_layers(c_realm_barrier, nil, mcl_vars.mg_realm_barrier_overworld_end_min, mcl_vars.mg_realm_barrier_overworld_end_max, minp, maxp, lvm_used)
-- Bedrock
local bedrock_check
if mcl_vars.mg_bedrock_is_rough then
bedrock_check = function(pos)
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_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
else
bedrock_check = nil
end
lvm_used = set_layers(c_bedrock, bedrock_check, mcl_vars.mg_bedrock_overworld_min, mcl_vars.mg_bedrock_overworld_max, minp, maxp, lvm_used)
lvm_used = set_layers(c_bedrock, bedrock_check, mcl_vars.mg_bedrock_nether_bottom_min, mcl_vars.mg_bedrock_nether_bottom_max, minp, maxp, lvm_used)
lvm_used = set_layers(c_bedrock, bedrock_check, mcl_vars.mg_bedrock_nether_top_min, mcl_vars.mg_bedrock_nether_top_max, minp, maxp, lvm_used)
-- Flat Nether
if mg_name == "flat" then
lvm_used = set_layers(c_air, nil, mcl_vars.mg_bedrock_nether_bottom_max + 4, mcl_vars.mg_bedrock_nether_bottom_max + 52, minp, maxp, lvm_used)
end
-- Big lava seas by replacing air below a certain height
if mcl_vars.mg_lava then
lvm_used = set_layers(c_lava, c_air, mcl_vars.mg_overworld_min, mcl_vars.mg_lava_overworld_max, minp, maxp, lvm_used)
lvm_used = set_layers(c_nether_lava, c_air, mcl_vars.mg_nether_min, mcl_vars.mg_lava_nether_max, minp, maxp, lvm_used)
end
----- Interactive block fixing section -----
----- The section to perform basic block overrides of the core mapgen generated world. -----
-- Snow fixes. This code implements snow consistency.
-- A snowy grass block must be below a top snow or snow block at all times.
if minp.y <= mcl_vars.mg_overworld_max and maxp.y >= mcl_vars.mg_overworld_min then
-- v6 mapgen:
-- Put top snow on snowy grass blocks. The mapgen does not generate the top snow on its own.
if mg_name == "v6" then
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
-- Non-v6 mapgens:
-- Clear snowy grass blocks without snow above to ensure consistency.
else
local nodes = minetest.find_nodes_in_area(minp, maxp, "mcl_core:dirt_with_grass_snow")
for n=1, #nodes do
local p_pos = area:index(nodes[n].x, nodes[n].y, nodes[n].z)
local p_pos_above = area:index(nodes[n].x, nodes[n].y+1, nodes[n].z)
if p_pos_above and data[p_pos_above] ~= c_top_snow and data[p_pos_above] ~= c_snow_block then
data[p_pos] = c_dirt_with_grass
lvm_used = true
end
end
end
-- Nether block fixes:
-- * Replace water with Nether lava.
-- * Replace stone, sand dirt in v6 so the Nether works in v6.
elseif minp.y <= mcl_vars.mg_nether_max and maxp.y >= mcl_vars.mg_nether_min then
local nodes
if mg_name == "v6" then
nodes = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:water_source", "mcl_core:stone", "mcl_core:sand", "mcl_core:dirt"})
else
nodes = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:water_source"})
end
for n=1, #nodes do
local p_pos = area:index(nodes[n].x, nodes[n].y, nodes[n].z)
if data[p_pos] == c_water then
data[p_pos] = c_nether_lava
lvm_used = true
elseif 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
end
-- End block fixes:
-- * Replace water with end stone or air (depending on height).
-- * Remove stone, sand, dirt in v6 so our End map generator works in v6.
elseif minp.y <= mcl_vars.mg_end_max and maxp.y >= mcl_vars.mg_end_min then
if mg_name == "v6" then
nodes = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:water_source", "mcl_core:stone", "mcl_core:sand", "mcl_core:dirt"})
else
nodes = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:water_source"})
end
for n=1, #nodes do
local y = nodes[n].y
local p_pos = area:index(nodes[n].x, y, nodes[n].z)
if data[p_pos] == c_water then
if 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
else
data[p_pos] = c_air
lvm_used = true
end
elseif 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
-- Final hackery: Set sun light level in the End.
-- -26912 is at a mapchunk border.
local shadow
if minp.y >= -26912 and maxp.y <= mcl_vars.mg_end_max then
vm:set_lighting({day=15, night=15})
lvm_used = true
end
if minp.y >= mcl_vars.mg_end_min and maxp.y <= -26911 then
shadow = false
lvm_used = true
end
-- Write stuff
if lvm_used then
vm:set_data(data)
vm:calc_lighting(nil, nil, shadow)
vm:update_liquids()
vm:write_to_map()
end
-- Generate special decorations
generate_underground_mushrooms(minp, maxp)
generate_jungle_tree_decorations(minp, maxp)
generate_nether_decorations(minp, maxp)
end)
Reference in a new issue View git blame Copy permalink