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MineClone5/mods/MAPGEN/mcl_mapgen_core/init.lua

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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
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