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minetest_next/mods/default/mapgen.lua

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--
-- Aliases for map generator outputs
--
minetest.register_alias("mapgen_stone", "default:stone")
minetest.register_alias("mapgen_dirt", "default:dirt")
minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
minetest.register_alias("mapgen_sand", "default:sand")
minetest.register_alias("mapgen_water_source", "default:water_source")
minetest.register_alias("mapgen_river_water_source", "air")
minetest.register_alias("mapgen_lava_source", "default:lava_source")
minetest.register_alias("mapgen_gravel", "default:gravel")
minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
minetest.register_alias("mapgen_dirt_with_snow", "default:dirt_with_snow")
minetest.register_alias("mapgen_snowblock", "default:snowblock")
minetest.register_alias("mapgen_snow", "default:snow")
minetest.register_alias("mapgen_ice", "default:ice")
minetest.register_alias("mapgen_sandstone", "default:sandstone")
-- Flora
minetest.register_alias("mapgen_tree", "default:tree")
minetest.register_alias("mapgen_leaves", "default:leaves")
minetest.register_alias("mapgen_apple", "default:leaves_with_apple")
minetest.register_alias("mapgen_jungletree", "default:jungletree")
minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
minetest.register_alias("mapgen_pine_tree", "default:pine_tree")
minetest.register_alias("mapgen_pine_needles", "default:pine_needles")
-- Dungeons
minetest.register_alias("mapgen_cobble", "default:cobble")
minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
minetest.register_alias("mapgen_sandstonebrick", "default:sandstonebrick")
minetest.register_alias("mapgen_stair_sandstonebrick", "stairs:stair_sandstonebrick")
--
-- Register ores
--
-- Blob ore first to avoid other ores inside blobs
-- Clay
minetest.register_ore({
ore_type = "blob",
ore = "default:clay",
wherein = {"default:sand"},
clust_scarcity = 16 * 16 * 16,
clust_size = 5,
y_min = -15,
y_max = 0,
noise_threshhold = 0.0,
noise_params = {
offset = 0.5,
scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = -316,
octaves = 1,
persist = 0.0
},
})
-- Sand
minetest.register_ore({
ore_type = "blob",
ore = "default:sand",
wherein = {"default:stone"},
clust_scarcity = 16 * 16 * 16,
clust_size = 5,
y_min = -31,
y_max = 4,
noise_threshhold = 0.0,
noise_params = {
offset = 0.5,
scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 2316,
octaves = 1,
persist = 0.0
},
})
-- Dirt
minetest.register_ore({
ore_type = "blob",
ore = "default:dirt",
wherein = {"default:stone"},
clust_scarcity = 16 * 16 * 16,
clust_size = 5,
y_min = -31,
y_max = 31000,
noise_threshhold = 0.0,
noise_params = {
offset = 0.5,
scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 17676,
octaves = 1,
persist = 0.0
},
})
-- Gravel
minetest.register_ore({
ore_type = "blob",
ore = "default:gravel",
wherein = {"default:stone"},
clust_scarcity = 16 * 16 * 16,
clust_size = 5,
y_min = -31000,
y_max = 31000,
noise_threshhold = 0.0,
noise_params = {
offset = 0.5,
scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 766,
octaves = 1,
persist = 0.0
},
})
-- Coal
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_coal",
wherein = "default:stone",
clust_scarcity = 8 * 8 * 8,
clust_num_ores = 8,
clust_size = 3,
y_min = -31000,
y_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_coal",
wherein = "default:stone",
clust_scarcity = 24 * 24 * 24,
clust_num_ores = 27,
clust_size = 6,
y_min = -31000,
y_max = 0,
})
-- Iron
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 12 * 12 * 12,
clust_num_ores = 3,
clust_size = 2,
y_min = -15,
y_max = 2,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 9 * 9 * 9,
clust_num_ores = 5,
clust_size = 3,
y_min = -63,
y_max = -16,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 7 * 7 * 7,
clust_num_ores = 5,
clust_size = 3,
y_min = -31000,
y_max = -64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 24 * 24 * 24,
clust_num_ores = 27,
clust_size = 6,
y_min = -31000,
y_max = -64,
})
--Mese
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_mese",
wherein = "default:stone",
clust_scarcity = 18 * 18 * 18,
clust_num_ores = 3,
clust_size = 2,
y_min = -255,
y_max = -64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_mese",
wherein = "default:stone",
clust_scarcity = 14 * 14 * 14,
clust_num_ores = 5,
clust_size = 3,
y_min = -31000,
y_max = -256,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:mese",
wherein = "default:stone",
clust_scarcity = 36 * 36 * 36,
clust_num_ores = 3,
clust_size = 2,
y_min = -31000,
y_max = -1024,
})
-- Gold
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_gold",
wherein = "default:stone",
clust_scarcity = 15 * 15 * 15,
clust_num_ores = 3,
clust_size = 2,
y_min = -255,
y_max = -64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_gold",
wherein = "default:stone",
clust_scarcity = 13 * 13 * 13,
clust_num_ores = 5,
clust_size = 3,
y_min = -31000,
y_max = -256,
})
-- Diamond
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_diamond",
wherein = "default:stone",
clust_scarcity = 17 * 17 * 17,
clust_num_ores = 4,
clust_size = 3,
y_min = -255,
y_max = -128,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_diamond",
wherein = "default:stone",
clust_scarcity = 15 * 15 * 15,
clust_num_ores = 4,
clust_size = 3,
y_min = -31000,
y_max = -256,
})
-- Copper
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_copper",
wherein = "default:stone",
clust_scarcity = 12 * 12 * 12,
clust_num_ores = 4,
clust_size = 3,
y_min = -63,
y_max = -16,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_copper",
wherein = "default:stone",
clust_scarcity = 9 * 9 * 9,
clust_num_ores = 5,
clust_size = 3,
y_min = -31000,
y_max = -64,
})
function default.make_nyancat(pos, facedir, length)
local tailvec = {x = 0, y = 0, z = 0}
if facedir == 0 then
tailvec.z = 1
elseif facedir == 1 then
tailvec.x = 1
elseif facedir == 2 then
tailvec.z = -1
elseif facedir == 3 then
tailvec.x = -1
else
facedir = 0
tailvec.z = 1
end
local p = {x = pos.x, y = pos.y, z = pos.z}
minetest.set_node(p, {name = "default:nyancat", param2 = facedir})
for i = 1, length do
p.x = p.x + tailvec.x
p.z = p.z + tailvec.z
minetest.set_node(p, {name = "default:nyancat_rainbow", param2 = facedir})
end
end
--
-- Generate nyan cats
--
function default.generate_nyancats(minp, maxp, seed)
local height_min = -31000
local height_max = -32
if maxp.y < height_min or minp.y > height_max then
return
end
local y_min = math.max(minp.y, height_min)
local y_max = math.min(maxp.y, height_max)
local volume = (maxp.x - minp.x + 1) * (y_max - y_min + 1) * (maxp.z - minp.z + 1)
local pr = PseudoRandom(seed + 9324342)
local max_num_nyancats = math.floor(volume / (16 * 16 * 16))
for i = 1, max_num_nyancats do
if pr:next(0, 1000) == 0 then
local x0 = pr:next(minp.x, maxp.x)
local y0 = pr:next(minp.y, maxp.y)
local z0 = pr:next(minp.z, maxp.z)
local p0 = {x = x0, y = y0, z = z0}
default.make_nyancat(p0, pr:next(0, 3), pr:next(3, 15))
end
end
end
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