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server-nalc/minetestforfun_game/mods/default/mapgen.lua
LeMagnesium 778bb436b3 Updated MinetestForFun Game
2015-07-01 18:12:42 +02:00

1037 lines
24 KiB
Lua
Executable File
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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", "default:river_water_source")
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")
minetest.register_alias("mapgen_tree", "default:tree")
minetest.register_alias("mapgen_leaves", "default:leaves")
minetest.register_alias("mapgen_apple", "default: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_pinetree", "default:pinetree")
minetest.register_alias("mapgen_pine_needles", "default:pine_needles")
minetest.register_alias("mapgen_stone_with_iron", "default:stone_with_iron")
minetest.register_alias("mapgen_mese", "default:mese")
minetest.register_alias("mapgen_stone_with_coal", "default:stone_with_coal")
minetest.register_alias("mapgen_clay", "default:clay")
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
function default.register_ores()
minetest.register_ore({
ore_type = "blob",
ore = "default:clay",
wherein = {"default:sand"},
clust_scarcity = 24 * 24 * 24,
clust_size = 7,
y_min = -15,
y_max = 0,
noise_threshhold = 0,
noise_params = {
offset = 0.35,
scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = -316,
octaves = 1,
persist = 0.5
},
})
minetest.register_ore({
ore_type = "blob",
ore = "default:sand",
wherein = {"default:stone"},
clust_scarcity = 24 * 24 * 24,
clust_size = 7,
y_min = -63,
y_max = 4,
noise_threshhold = 0,
noise_params = {
offset = 0.35,
scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 2316,
octaves = 1,
persist = 0.5
},
})
minetest.register_ore({
ore_type = "blob",
ore = "default:dirt",
wherein = {"default:stone"},
clust_scarcity = 24 * 24 * 24,
clust_size = 7,
y_min = -63,
y_max = 31000,
noise_threshhold = 0,
noise_params = {
offset = 0.35,
scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 17676,
octaves = 1,
persist = 0.5
},
})
minetest.register_ore({
ore_type = "blob",
ore = "default:gravel",
wherein = {"default:stone"},
clust_scarcity = 24 * 24 * 24,
clust_size = 7,
y_min = -31000,
y_max = 31000,
noise_threshhold = 0,
noise_params = {
offset = 0.35,
scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 766,
octaves = 1,
persist = 0.5
},
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_coal",
wherein = "default:stone",
clust_scarcity = 9 * 9 * 9,
clust_num_ores = 8,
clust_size = 3,
y_min = -30000,
y_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:desert_stone_with_coal",
wherein = "default:desert_stone",
clust_scarcity = 9 * 9 * 9,
clust_num_ores = 10,
clust_size = 3,
y_min = 0,
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 = -30000,
y_max = 0,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 11 * 11 * 11,
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 = 10 * 10 * 10,
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 = 9 * 9 * 9,
clust_num_ores = 5,
clust_size = 3,
y_min = -30000,
y_max = -64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 25 * 25 * 25,
clust_num_ores = 27,
clust_size = 6,
y_min = -30000,
y_max = -64,
flags = "absheight",
})
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 = -128,
flags = "absheight",
})
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 = -1024,
y_max = -256,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:mese",
wherein = "default:stone",
clust_scarcity = 20 * 20 * 20,
clust_num_ores = 3,
clust_size = 2,
y_min = -30000,
y_max = -1024,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:mese",
wherein = "default:stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 3,
clust_size = 2,
y_min = -1024,
y_max = 64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:meze",
wherein = "default:stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 3,
clust_size = 2,
y_min = 0,
y_max = 64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:mese",
wherein = "default:desert_stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 3,
clust_size = 2,
y_min = -1024,
y_max = 64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:meze",
wherein = "default:desert_stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 3,
clust_size = 2,
y_min = 0,
y_max = 64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "maptools:superapple",
wherein = "default:apple",
clust_scarcity = 6 * 6 * 6,
clust_num_ores = 5,
clust_size = 2,
y_min = 0,
y_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "maptools:superapple",
wherein = "default:jungleleaves",
clust_scarcity = 16 * 16 * 16,
clust_num_ores = 5,
clust_size = 2,
y_min = 0,
y_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_coin",
wherein = "default:stone",
clust_scarcity = 26 * 26 * 26,
clust_num_ores = 1,
clust_size = 1,
y_min = -30000,
y_max = 0,
flags = "absheight",
})
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,
flags = "absheight",
})
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 = -30000,
y_max = -256,
flags = "absheight",
})
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 = -512,
y_max = -256,
flags = "absheight",
})
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 = -30000,
y_max = -512,
flags = "absheight",
})
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:desert_stone_with_copper",
wherein = "default:desert_stone",
clust_scarcity = 11 * 11 * 11,
clust_num_ores = 6,
clust_size = 3,
y_min = 0,
y_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_copper",
wherein = "default:stone",
clust_scarcity = 10 * 10 * 10,
clust_num_ores = 5,
clust_size = 3,
y_min = -30000,
y_max = -64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_coal",
wherein = "default:stone",
clust_scarcity = 32 * 32 * 32,
clust_num_ores = 40,
clust_size = 4,
y_max = 64,
y_min = -30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 48 * 48 * 48,
clust_num_ores = 40,
clust_size = 4,
y_max = 64,
y_min = -30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_diamond",
wherein = "default:stone",
clust_scarcity = 30 * 30 * 30,
clust_num_ores = 64,
clust_size = 5,
y_max = -1024,
y_min = -30000,
})
if minetest.setting_get("mg_name") == "indev" then
-- Floatlands and high mountains springs:
minetest.register_ore({
ore_type = "scatter",
ore = "default:water_source",
ore_param2 = 128,
wherein = "default:stone",
clust_scarcity = 40 *40 *40,
clust_num_ores = 8,
clust_size = 3,
y_min = 100,
y_max = 30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:lava_source",
ore_param2 = 128,
wherein = "default:stone",
clust_scarcity = 50 * 50 * 50,
clust_num_ores = 5,
clust_size = 2,
y_min = 10000,
y_max = 30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:sand",
wherein = "default:stone",
clust_scarcity = 20 * 20 * 20,
clust_num_ores = 5 * 5 * 3,
clust_size = 5,
y_min = 500,
y_max = 30000,
})
end
-- Underground springs:
minetest.register_ore({
ore_type = "scatter",
ore = "default:water_source",
ore_param2 = 128,
wherein = "default:stone",
clust_scarcity = 20 * 20 * 20,
clust_num_ores = 10,
clust_size = 4,
y_min = -10000,
y_max = -10,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:lava_source",
ore_param2 = 128,
wherein = "default:stone",
clust_scarcity = 32 * 32 * 32,
clust_num_ores = 5,
clust_size = 2,
y_min = -30000,
y_max = -100,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:dirt",
wherein = "default:stone",
clust_scarcity = 16 * 16 * 16,
clust_num_ores = 64,
clust_size = 5,
y_max = 64,
y_min = -4096,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:gravel",
wherein = "default:stone",
clust_scarcity = 16 * 16 * 16,
clust_num_ores = 64,
clust_size = 5,
y_max = 64,
y_min = -30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:sand",
wherein = "default:stone",
clust_scarcity = 24 * 24 * 24,
clust_num_ores = 32,
clust_size = 4,
y_max = 64,
y_min = -1024,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:clay",
wherein = "default:stone",
clust_scarcity = 32 * 32 * 32,
clust_num_ores = 32,
clust_size = 4,
y_max = 64,
y_min = -1024,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:cobble",
wherein = "default:stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 512,
clust_size = 9,
y_max = 64,
y_min = -4096,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:desert_cobble",
wherein = "default:desert_stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 512,
clust_size = 9,
y_max = 64,
y_min = 0,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:clay",
wherein = "default:sand",
clust_scarcity = 14 * 14 * 14,
clust_num_ores = 64,
clust_size = 5,
y_max = 4,
y_min = -8,
})
-- Air rooms in dirt:
minetest.register_ore({
ore_type = "scatter",
ore = "air",
wherein = "default:dirt",
clust_scarcity = 24 * 24 * 24,
clust_num_ores = 200,
clust_size = 7,
y_min = -30000,
y_max = 64,
})
-- Acid lakes in gravel:
minetest.register_ore({
ore_type = "scatter",
ore = "default:acid_source",
wherein = "default:gravel",
clust_scarcity = 20 * 20 * 20,
clust_num_ores = 64,
clust_size = 5,
y_min = -30000,
y_max = 64,
})
end
--
-- Register biomes
--
function default.register_biomes()
minetest.clear_registered_biomes()
minetest.register_biome({
name = "default:grassland",
--node_dust = "",
node_top = "default:dirt_with_grass",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 2,
--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
y_min = -31000,
y_max = 31000,
heat_point = 50,
humidity_point = 50,
node_underwater = "default:sand",
height_shore = 3,
node_shore_filler = "default:sand",
node_shore_top = "default:sand",
})
end
--
-- Register mgv6 decorations
--
function default.register_mgv6_decorations()
-- Papyrus
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 8,
noise_params = {
offset = -0.3,
scale = 0.7,
spread = {x = 100, y = 100, z = 100},
seed = 354,
octaves = 3,
persist = 0.7
},
y_min = 1,
y_max = 1,
decoration = "default:papyrus",
height = 2,
height_max = 4,
spawn_by = "default:water_source",
num_spawn_by = 1,
})
-- Cacti
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:desert_sand"},
sidelen = 16,
noise_params = {
offset = -0.012,
scale = 0.024,
spread = {x = 100, y = 100, z = 100},
seed = 230,
octaves = 3,
persist = 0.6
},
y_min = 1,
y_max = 30,
decoration = "default:cactus",
height = 3,
height_max = 4,
})
-- Grasses
for length = 1, 5 do
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = 0,
scale = 0.007,
spread = {x = 100, y = 100, z = 100},
seed = 329,
octaves = 3,
persist = 0.6
},
y_min = 1,
y_max = 30,
decoration = "default:grass_"..length,
})
end
-- Dry shrubs
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:desert_sand", "default:dirt_with_snow"},
sidelen = 16,
noise_params = {
offset = 0,
scale = 0.035,
spread = {x = 100, y = 100, z = 100},
seed = 329,
octaves = 3,
persist = 0.6
},
y_min = 1,
y_max = 30,
decoration = "default:dry_shrub",
})
-- Cherry tree
minetest.register_decoration({
deco_type = "simple",
place_on = "default:dirt_with_grass",
sidelen = 16,
noise_params = {
offset = 0,
scale = 0.005,
spread = {x=100, y=100, z=100},
seed = 278,
octaves = 2,
persist = 0.7
},
decoration = "default:mg_cherry_sapling",
height = 1,
})
end
--
-- Register decorations
--
function default.register_decorations()
-- Flowers
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.02,
scale = 0.03,
spread = {x = 100, y = 100, z = 100},
seed = 436,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "flowers:rose",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.02,
scale = 0.03,
spread = {x = 100, y = 100, z = 100},
seed = 19822,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "flowers:tulip",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.02,
scale = 0.03,
spread = {x = 100, y = 100, z = 100},
seed = 1220999,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "flowers:dandelion_yellow",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.02,
scale = 0.03,
spread = {x = 100, y = 100, z = 100},
seed = 36662,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "flowers:geranium",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.02,
scale = 0.03,
spread = {x = 100, y = 100, z = 100},
seed = 1133,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "flowers:viola",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.02,
scale = 0.03,
spread = {x = 100, y = 100, z = 100},
seed = 73133,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "flowers:dandelion_white",
})
-- Grasses
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = 0.04,
scale = 0.08,
spread = {x = 100, y = 100, z = 100},
seed = 66440,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "default:grass_1",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = 0.02,
scale = 0.08,
spread = {x = 100, y = 100, z = 100},
seed = 66440,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "default:grass_2",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = 0,
scale = 0.08,
spread = {x = 100, y = 100, z = 100},
seed = 66440,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "default:grass_3",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.02,
scale = 0.08,
spread = {x = 100, y = 100, z = 100},
seed = 66440,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "default:grass_4",
})
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.04,
scale = 0.08,
spread = {x = 100, y = 100, z = 100},
seed = 66440,
octaves = 3,
persist = 0.6
},
biomes = {"default:grassland"},
y_min = -31000,
y_max = 31000,
decoration = "default:grass_5",
})
end
--
-- Detect mapgen to select functions
--
-- Mods using singlenode mapgen can call these functions to enable
-- the use of minetest.generate_ores or minetest.generate_decorations
local mg_params = minetest.get_mapgen_params()
if mg_params.mgname == "v5" then
default.register_biomes()
default.register_ores()
elseif mg_params.mgname == "v6" then
default.register_mgv6_decorations()
default.register_ores()
elseif mg_params.mgname == "v7" then
default.register_biomes()
default.register_decorations()
end
--
-- Generate nyan cats in all mapgens
--
-- facedir: 0/1/2/3 (head node facedir value)
-- length: length of rainbow tail
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
--print("default.make_nyancat(): Invalid facedir: "+dump(facedir))
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
function default.generate_nyancats(minp, maxp, seed)
local height_min = -30000
local height_max = 30000
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(10, 15))
end
end
end
minetest.register_on_generated(default.generate_nyancats)
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