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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
-- Content IDs
local c_bedrock = minetest.get_content_id("mcl_core:bedrock")
local c_obsidian = minetest.get_content_id("mcl_core:obsidian")
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_sandstone = minetest.get_content_id("mcl_core:sandstone")
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_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_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_clay = minetest.get_content_id("mcl_core:clay")
--local c_jungletree = minetest.get_content_id("mcl_core:jungletree")
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)
-- Takes an index of a biomemap table (from minetest.get_mapgen_object),
-- minp and maxp (from an on_generated callback) and returns the real world coordinates
-- as X, Z.
-- Inverse function of xz_to_biomemap
--[[local function biomemap_to_xz(index, minp, maxp)
local xwidth = maxp.x - minp.x + 1
local zwidth = maxp.z - minp.z + 1
local x = ((index-1) % xwidth) + minp.x
local z = ((index-1) / zwidth) + minp.z
return x, z
end]]
local dragon_spawn_pos = false
local dragon_spawned, portal_generated = false, false
local function spawn_ender_dragon()
local obj = minetest.add_entity(dragon_spawn_pos, "mobs_mc:enderdragon")
if not obj then return false end
local dragon_entity = obj:get_luaentity()
dragon_entity._initial = true
dragon_entity._portal_pos = pos
return obj
end
local function try_to_spawn_ender_dragon()
if spawn_ender_dragon() then
dragon_spawned = true
return
end
minetest.after(2, try_to_spawn_ender_dragon)
minetest.log("warning", "[mcl_mapgen_core] WARNING! Ender dragon doesn't want to spawn at "..minetest.pos_to_string(dragon_spawn_pos))
end
if portal_generated and not dragon_spawned then
minetest.after(10, try_to_spawn_ender_dragon)
end
function mcl_mapgen_core.generate_end_exit_portal(pos)
if dragon_spawn_pos then return false end
dragon_spawn_pos = vector.add(pos, vector.new(3, 11, 3))
mcl_structures.call_struct(pos, "end_exit_portal", nil, nil, function()
minetest.after(2, function()
minetest.emerge_area(vector.subtract(dragon_spawn_pos, {x = 64, y = 12, z = 5}), vector.add(dragon_spawn_pos, {x = 3, y = 3, z = 5}), function(blockpos, action, calls_remaining, param)
if calls_remaining > 0 then return end
minetest.after(2, try_to_spawn_ender_dragon)
end)
end)
end)
portal_generated = true
end
-- Generate mushrooms in caves manually.
-- Minetest's API does not support decorations in caves yet. :-(
local function generate_underground_mushrooms(minp, maxp, seed)
if not mcl_mushrooms then return end
local pr_shroom = PseudoRandom(seed-24359)
-- Generate rare underground mushrooms
-- TODO: Make them appear in groups, use Perlin noise
local min, max = mcl_mapgen.overworld.lava_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 }
local l = minetest.get_node_light(bpos, 0.5)
if bpos.y >= min and bpos.y <= max and l and l <= 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 nether_wart_chance
if v6 then
nether_wart_chance = 85
else
nether_wart_chance = 170
end
-- Generate Nether decorations manually: Eternal fire, mushrooms, nether wart
-- Minetest's API does not support decorations in caves yet. :-(
local function generate_nether_decorations(minp, maxp, seed)
if c_nether == nil then
return
end
local pr_nether = PseudoRandom(seed+667)
if minp.y > mcl_mapgen.nether.max or maxp.y < mcl_mapgen.nether.min then
return
end
minetest.log("action", "[mcl_mapgen_core] Nether decorations " .. minetest.pos_to_string(minp) .. " ... " .. minetest.pos_to_string(maxp))
-- 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 function special_deco(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
if mcl_mushrooms then
special_deco(rack, function(bpos)
local l = minetest.get_node_light(bpos, 0.5)
if bpos.y > mcl_mapgen.nether.lava_max + 6 and l and l <= 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)
end
-- Nether wart on soul sand
-- TODO: Spawn in Nether fortresses
special_deco(ssand, function(bpos)
if pr_nether:next(1, nether_wart_chance) == 1 then
minetest.set_node(bpos, {name = "mcl_nether:nether_wart"})
end
end)
end
-- 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(data, area, content_id, check, min, max, minp, maxp, lvm_used, pr)
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], pr) 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
-- Below the bedrock, generate air/void
local function basic_safe(vm_context)
local vm, data, emin, emax, area, minp, maxp, chunkseed, blockseed = vm_context.vm, vm_context.data, vm_context.emin, vm_context.emax, 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 lvm_used = false
local pr = PseudoRandom(blockseed)
-- The Void below the Nether:
lvm_used = set_layers(data, area, c_void , nil, mcl_mapgen.EDGE_MIN , mcl_mapgen.nether.min -1, minp, maxp, lvm_used, pr)
-- [[ THE NETHER: mcl_mapgen.nether.min mcl_mapgen.nether.max ]]
-- The Air on the Nether roof, https://git.minetest.land/MineClone2/MineClone2/issues/1186
lvm_used = set_layers(data, area, c_air , nil, mcl_mapgen.nether.max +1, mcl_mapgen.nether.max + 128 , minp, maxp, lvm_used, pr)
-- The Void above the Nether below the End:
lvm_used = set_layers(data, area, c_void , nil, mcl_mapgen.nether.max + 128 +1, mcl_mapgen.end_.min -1, minp, maxp, lvm_used, pr)
-- [[ THE END: mcl_mapgen.end_.min mcl_mapgen.end_.max ]]
-- The Void above the End below the Realm barrier:
lvm_used = set_layers(data, area, c_void , nil, mcl_mapgen.end_.max +1, mcl_mapgen.realm_barrier_overworld_end_min-1, minp, maxp, lvm_used, pr)
-- Realm barrier between the Overworld void and the End
lvm_used = set_layers(data, area, c_realm_barrier, nil, mcl_mapgen.realm_barrier_overworld_end_min , mcl_mapgen.realm_barrier_overworld_end_max , minp, maxp, lvm_used, pr)
-- The Void above Realm barrier below the Overworld:
lvm_used = set_layers(data, area, c_void , nil, mcl_mapgen.realm_barrier_overworld_end_max+1, mcl_mapgen.overworld.min -1, minp, maxp, lvm_used, pr)
if not singlenode then
-- Bedrock
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_mapgen.overworld.bedrock_min, mcl_mapgen.overworld.bedrock_max, minp, maxp, lvm_used, pr)
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_mapgen.nether.bedrock_bottom_min, mcl_mapgen.nether.bedrock_bottom_max, minp, maxp, lvm_used, pr)
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_mapgen.nether.bedrock_top_min, mcl_mapgen.nether.bedrock_top_max, minp, maxp, lvm_used, pr)
-- Flat Nether
if mg_name == "flat" then
lvm_used = set_layers(data, area, c_air, nil, mcl_mapgen.nether.flat_floor, mcl_mapgen.nether.flat_ceiling, minp, maxp, lvm_used, pr)
end
-- Big lava seas by replacing air below a certain height
if mcl_mapgen.lava then
lvm_used = set_layers(data, area, c_lava, c_air, mcl_mapgen.overworld.min, mcl_mapgen.overworld.lava_max, minp, maxp, lvm_used, pr)
if c_nether then
lvm_used = set_layers(data, area, c_nether.lava, c_air, mcl_mapgen.nether.min, mcl_mapgen.nether.lava_max, minp, maxp, lvm_used, pr)
end
end
vm_context.biomemap = vm_context.biomemap or minetest.get_mapgen_object("biomemap")
local biomemap = vm_context.biomemap
----- Interactive block fixing section -----
----- The section to perform basic block overrides of the core mapgen generated world. -----
-- Snow and sand fixes. This code implements snow consistency
-- and fixes floating sand and cut plants.
-- A snowy grass block must be below a top snow or snow block at all times.
if minp.y <= mcl_mapgen.overworld.max and maxp.y >= mcl_mapgen.overworld.min then
-- v6 mapgen:
if v6 then
--[[ Remove broken double plants caused by v6 weirdness.
v6 might break the bottom part of double plants because of how it works.
There are 3 possibilities:
1) Jungle: Top part is placed on top of a jungle tree or fern (=v6 jungle grass).
This is because the schematic might be placed even if some nodes of it
could not be placed because the destination was already occupied.
TODO: A better fix for this would be if schematics could abort placement
altogether if ANY of their nodes could not be placed.
2) Cavegen: Removes the bottom part, the upper part floats
3) Mudflow: Same as 2) ]]
local plants = minetest.find_nodes_in_area(minp, maxp, "group:double_plant")
for n = 1, #plants do
local node = vm:get_node_at(plants[n])
local is_top = minetest.get_item_group(node.name, "double_plant") == 2
if is_top then
local p_pos = area:index(plants[n].x, plants[n].y-1, plants[n].z)
if p_pos then
node = vm:get_node_at({x=plants[n].x, y=plants[n].y-1, z=plants[n].z})
local is_bottom = minetest.get_item_group(node.name, "double_plant") == 1
if not is_bottom then
p_pos = area:index(plants[n].x, plants[n].y, plants[n].z)
data[p_pos] = c_air
lvm_used = true
end
end
end
end
-- Non-v6 mapgens:
else
-- Set param2 (=color) of grass blocks.
-- Clear snowy grass blocks without snow above to ensure consistency.
local nodes = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:dirt_with_grass", "mcl_core:dirt_with_grass_snow"})
-- Flat area at y=0 to read biome 3 times faster than 5.3.0.get_biome_data(pos).biome: 43us vs 125us per iteration:
local aream = VoxelArea:new({MinEdge={x=minp.x, y=0, z=minp.z}, MaxEdge={x=maxp.x, y=0, z=maxp.z}})
for n=1, #nodes do
local n = nodes[n]
local p_pos = area:index(n.x, n.y, n.z)
local p_pos_above = area:index(n.x, n.y+1, n.z)
--local p_pos_below = area:index(n.x, n.y-1, n.z)
local b_pos = aream:index(n.x, 0, n.z)
local bn = minetest.get_biome_name(biomemap[b_pos])
if bn then
local biome = minetest.registered_biomes[bn]
if biome and biome._mcl_biome_type then
param2_data[p_pos] = biome._mcl_palette_index
vm_context.write_param2 = true
end
end
if data[p_pos] == c_dirt_with_grass_snow and 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_mapgen.nether.max and maxp.y >= mcl_mapgen.nether.min then
-- elseif emin.y <= mcl_mapgen.nether.max and emax.y >= mcl_mapgen.nether.min then
if c_nether then
if v6 then
-- local nodes = minetest.find_nodes_in_area(emin, emax, {"mcl_core:water_source", "mcl_core:stone", "mcl_core:sand", "mcl_core:dirt"})
local nodes = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:water_source", "mcl_core:stone", "mcl_core:sand", "mcl_core:dirt"})
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
else
-- local nodes = minetest.find_nodes_in_area(emin, emax, {"group:water"})
local nodes = minetest.find_nodes_in_area(minp, maxp, {"group:water"})
for _, n in pairs(nodes) do
data[area:index(n.x, n.y, n.z)] = c_nether.lava
end
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.
-- * Generate spawn platform (End portal destination)
elseif minp.y <= mcl_mapgen.end_.max and maxp.y >= mcl_mapgen.end_.min then
local nodes
if v6 then
nodes = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:water_source", "mcl_core:stone", "mcl_core:sand", "mcl_core:dirt"})
-- nodes = minetest.find_nodes_in_area(emin, emax, {"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"})
-- nodes = minetest.find_nodes_in_area(emin, emax, {"mcl_core:water_source"})
end
if #nodes > 0 then
lvm_used = true
for _,n in pairs(nodes) do
data[area:index(n.x, n.y, n.z)] = c_air
end
end
-- Obsidian spawn platform
if minp.y <= mcl_mapgen.end_.platform_pos.y and maxp.y >= mcl_mapgen.end_.platform_pos.y and
minp.x <= mcl_mapgen.end_.platform_pos.x and maxp.x >= mcl_mapgen.end_.platform_pos.z and
minp.z <= mcl_mapgen.end_.platform_pos.z and maxp.z >= mcl_mapgen.end_.platform_pos.z then
--local pos1 = {x = math.max(minp.x, mcl_mapgen.end_.platform_pos.x-2), y = math.max(minp.y, mcl_mapgen.end_.platform_pos.y), z = math.max(minp.z, mcl_mapgen.end_.platform_pos.z-2)}
--local pos2 = {x = math.min(maxp.x, mcl_mapgen.end_.platform_pos.x+2), y = math.min(maxp.y, mcl_mapgen.end_.platform_pos.y+2), z = math.min(maxp.z, mcl_mapgen.end_.platform_pos.z+2)}
for x=math.max(minp.x, mcl_mapgen.end_.platform_pos.x-2), math.min(maxp.x, mcl_mapgen.end_.platform_pos.x+2) do
for z=math.max(minp.z, mcl_mapgen.end_.platform_pos.z-2), math.min(maxp.z, mcl_mapgen.end_.platform_pos.z+2) do
for y=math.max(minp.y, mcl_mapgen.end_.platform_pos.y), math.min(maxp.y, mcl_mapgen.end_.platform_pos.y+2) do
local p_pos = area:index(x, y, z)
if y == mcl_mapgen.end_.platform_pos.y then
data[p_pos] = c_obsidian
else
data[p_pos] = c_air
end
end
end
end
lvm_used = true
end
end
end
-- Final hackery: Set sun light level in the End.
-- -26912 is at a mapchunk border.
local shadow = true
if minp.y >= -26912 and maxp.y <= mcl_mapgen.end_.max then
vm:set_lighting({day=15, night=15})
lvm_used = true
end
if minp.y >= mcl_mapgen.end_.min and maxp.y <= -26911 then
shadow = false
lvm_used = true
end
if not singlenode then
-- Generate special decorations
generate_underground_mushrooms(minp, maxp, blockseed)
generate_nether_decorations(minp, maxp, blockseed)
end
vm_context.write = vm_context.write or lvm_used
return vm_context --, lvm_used, shadow
end
mcl_mapgen.register_mapgen_block_lvm(basic_safe, 1)
local modpath = minetest.get_modpath(minetest.get_current_modname())
dofile(modpath .. "/clay.lua")
dofile(modpath .. "/tree_decoration.lua")
mcl_mapgen.register_mapgen_block_lvm(function(vm_context)
local minp = vm_context.minp
local miny = minp.y
if miny > mcl_mapgen.nether.max+127 then return end
local maxp = vm_context.maxp
local maxy = maxp.y
if maxy <= mcl_mapgen.nether.max then return end
local p1 = {x = minp.x, y = math.max(miny, mcl_mapgen.nether.max + 1), z = minp.z}
local p2 = {x = maxp.x, y = math.min(maxy, mcl_mapgen.nether.max + 127), z = maxp.z}
vm_context.vm:set_lighting({day=15, night=15}, p1, p2)
end, 999999999)
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