minetest_game/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", "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")
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-- Flora
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_pine_tree", "default:pine_tree")
minetest.register_alias("mapgen_pine_needles", "default:pine_needles")
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-- 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
--
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-- All mapgens except singlenode
-- Blob ore first to avoid other ores inside blobs
function default.register_ores()
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-- 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_threshold = 0.0,
noise_params = {
offset = 0.5,
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scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = -316,
octaves = 1,
persist = 0.0
},
})
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-- Sand
minetest.register_ore({
ore_type = "blob",
ore = "default:sand",
wherein = {"default:stone", "default:sandstone",
"default:desert_stone"},
clust_scarcity = 16 * 16 * 16,
clust_size = 5,
y_min = -31,
y_max = 4,
noise_threshold = 0.0,
noise_params = {
offset = 0.5,
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scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 2316,
octaves = 1,
persist = 0.0
},
})
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-- Dirt
minetest.register_ore({
ore_type = "blob",
ore = "default:dirt",
wherein = {"default:stone", "default:sandstone"},
clust_scarcity = 16 * 16 * 16,
clust_size = 5,
y_min = -31,
y_max = 31000,
noise_threshold = 0.0,
noise_params = {
offset = 0.5,
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scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 17676,
octaves = 1,
persist = 0.0
},
})
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-- 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_threshold = 0.0,
noise_params = {
offset = 0.5,
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scale = 0.2,
spread = {x = 5, y = 5, z = 5},
seed = 766,
octaves = 1,
persist = 0.0
},
})
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-- Coal
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_coal",
wherein = "default:stone",
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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",
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clust_scarcity = 24 * 24 * 24,
clust_num_ores = 27,
clust_size = 6,
y_min = -31000,
y_max = 0,
})
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-- Iron
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
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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",
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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",
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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",
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clust_scarcity = 24 * 24 * 24,
clust_num_ores = 27,
clust_size = 6,
y_min = -31000,
y_max = -64,
})
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--Mese
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_mese",
wherein = "default:stone",
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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",
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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",
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clust_scarcity = 36 * 36 * 36,
clust_num_ores = 3,
clust_size = 2,
y_min = -31000,
y_max = -1024,
})
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-- Gold
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_gold",
wherein = "default:stone",
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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",
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clust_scarcity = 13 * 13 * 13,
clust_num_ores = 5,
clust_size = 3,
y_min = -31000,
y_max = -256,
})
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-- Diamond
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_diamond",
wherein = "default:stone",
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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",
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clust_scarcity = 15 * 15 * 15,
clust_num_ores = 4,
clust_size = 3,
y_min = -31000,
y_max = -256,
})
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-- Copper
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_copper",
wherein = "default:stone",
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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",
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clust_scarcity = 9 * 9 * 9,
clust_num_ores = 5,
clust_size = 3,
y_min = -31000,
y_max = -64,
})
end
--
-- Register biomes
--
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-- All mapgens except mgv6 and singlenode
function default.register_biomes()
minetest.clear_registered_biomes()
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-- Permanent ice
minetest.register_biome({
name = "glacier",
node_dust = "default:snowblock",
node_top = "default:snowblock",
depth_top = 1,
node_filler = "default:snowblock",
depth_filler = 3,
node_stone = "default:ice",
node_water_top = "default:ice",
depth_water_top = 10,
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--node_water = "",
node_river_water = "default:ice",
y_min = -8,
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y_max = 31000,
heat_point = 0,
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humidity_point = 50,
})
minetest.register_biome({
name = "glacier_ocean",
node_dust = "default:snowblock",
node_top = "default:sand",
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depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = -9,
heat_point = 0,
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humidity_point = 50,
})
-- Cold
minetest.register_biome({
name = "tundra",
--node_dust = "",
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node_top = "default:dirt_with_snow",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 1,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = 2,
y_max = 31000,
heat_point = 15,
humidity_point = 35,
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})
minetest.register_biome({
name = "tundra_beach",
--node_dust = "",
node_top = "default:gravel",
depth_top = 1,
node_filler = "default:gravel",
depth_filler = 2,
--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = -3,
y_max = 1,
heat_point = 15,
humidity_point = 35,
})
minetest.register_biome({
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name = "tundra_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = -4,
heat_point = 15,
humidity_point = 35,
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})
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minetest.register_biome({
name = "taiga",
node_dust = "default:snow",
node_top = "default:dirt_with_snow",
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depth_top = 1,
node_filler = "default:dirt",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = 2,
y_max = 31000,
heat_point = 15,
humidity_point = 65,
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})
minetest.register_biome({
name = "taiga_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = 1,
heat_point = 15,
humidity_point = 65,
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})
-- Temperate
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minetest.register_biome({
name = "stone_grassland",
--node_dust = "",
node_top = "default:dirt_with_grass",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 1,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 6,
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y_max = 31000,
heat_point = 40,
humidity_point = 35,
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})
minetest.register_biome({
name = "stone_grassland_dunes",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 2,
--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 5,
y_max = 5,
heat_point = 40,
humidity_point = 35,
})
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minetest.register_biome({
name = "stone_grassland_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = 4,
heat_point = 40,
humidity_point = 35,
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})
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minetest.register_biome({
name = "coniferous_forest",
--node_dust = "",
node_top = "default:dirt_with_grass",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 6,
y_max = 31000,
heat_point = 40,
humidity_point = 65,
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})
minetest.register_biome({
name = "coniferous_forest_dunes",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 5,
y_max = 5,
heat_point = 40,
humidity_point = 65,
})
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minetest.register_biome({
name = "coniferous_forest_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = 4,
heat_point = 40,
humidity_point = 65,
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})
minetest.register_biome({
name = "sandstone_grassland",
--node_dust = "",
node_top = "default:dirt_with_grass",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 1,
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node_stone = "default:sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 6,
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y_max = 31000,
heat_point = 60,
humidity_point = 35,
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})
minetest.register_biome({
name = "sandstone_grassland_dunes",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 2,
node_stone = "default:sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 5,
y_max = 5,
heat_point = 60,
humidity_point = 35,
})
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minetest.register_biome({
name = "sandstone_grassland_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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node_stone = "default:sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = 4,
heat_point = 60,
humidity_point = 35,
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})
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minetest.register_biome({
name = "deciduous_forest",
--node_dust = "",
node_top = "default:dirt_with_grass",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 1,
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y_max = 31000,
heat_point = 60,
humidity_point = 65,
})
minetest.register_biome({
name = "deciduous_forest_swamp",
--node_dust = "",
node_top = "default:dirt",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 3,
--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = -3,
y_max = 0,
heat_point = 60,
humidity_point = 65,
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})
minetest.register_biome({
name = "deciduous_forest_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = -4,
heat_point = 60,
humidity_point = 65,
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})
-- Hot
minetest.register_biome({
name = "desert",
--node_dust = "",
node_top = "default:desert_sand",
depth_top = 1,
node_filler = "default:desert_sand",
depth_filler = 1,
node_stone = "default:desert_stone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 5,
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y_max = 31000,
heat_point = 85,
humidity_point = 20,
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})
minetest.register_biome({
name = "desert_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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node_stone = "default:desert_stone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = 4,
heat_point = 85,
humidity_point = 20,
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})
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minetest.register_biome({
name = "savanna",
--node_dust = "",
node_top = "default:dirt_with_dry_grass",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 1,
--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = 1,
y_max = 31000,
heat_point = 85,
humidity_point = 50,
})
minetest.register_biome({
name = "savanna_swamp",
--node_dust = "",
node_top = "default:dirt",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 3,
--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = -3,
y_max = 0,
heat_point = 85,
humidity_point = 50,
})
minetest.register_biome({
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name = "savanna_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = -4,
heat_point = 85,
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humidity_point = 50,
})
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minetest.register_biome({
name = "rainforest",
--node_dust = "",
node_top = "default:dirt_with_grass",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = 1,
y_max = 31000,
heat_point = 85,
humidity_point = 80,
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})
minetest.register_biome({
name = "rainforest_swamp",
--node_dust = "",
node_top = "default:dirt",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
y_min = -3,
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y_max = 0,
heat_point = 85,
humidity_point = 80,
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})
minetest.register_biome({
name = "rainforest_ocean",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -112,
y_max = -4,
heat_point = 85,
humidity_point = 80,
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})
-- Underground
minetest.register_biome({
name = "underground",
--node_dust = "",
--node_top = "",
--depth_top = ,
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--node_filler = "",
--depth_filler = ,
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--node_stone = "",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "",
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y_min = -31000,
y_max = -113,
heat_point = 50,
humidity_point = 50,
})
end
--
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-- Register decorations
--
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-- Mgv6
function default.register_mgv6_decorations()
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minetest.clear_registered_decorations()
-- Papyrus
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.3,
scale = 0.7,
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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,
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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,
})
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-- Long 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,
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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,
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spread = {x = 100, y = 100, z = 100},
seed = 329,
octaves = 3,
persist = 0.6
},
y_min = 1,
y_max = 30,
decoration = "default:dry_shrub",
})
end
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-- All mapgens except mgv6 and singlenode
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local function register_grass_decoration(offset, scale, length)
minetest.register_decoration({
deco_type = "simple",
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place_on = {"default:dirt_with_grass", "default:sand"},
sidelen = 16,
noise_params = {
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offset = offset,
scale = scale,
spread = {x = 200, y = 200, z = 200},
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seed = 329,
octaves = 3,
persist = 0.6
},
biomes = {"stone_grassland", "sandstone_grassland",
"deciduous_forest", "coniferous_forest",
"stone_grassland_dunes", "sandstone_grassland_dunes",
"coniferous_forest_dunes"},
y_min = 1,
y_max = 31000,
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decoration = "default:grass_"..length,
})
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end
local function register_dry_grass_decoration(offset, scale, length)
minetest.register_decoration({
deco_type = "simple",
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place_on = {"default:dirt_with_dry_grass"},
sidelen = 16,
noise_params = {
offset = offset,
scale = scale,
spread = {x = 200, y = 200, z = 200},
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seed = 329,
octaves = 3,
persist = 0.6
},
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biomes = {"savanna"},
y_min = 1,
y_max = 31000,
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decoration = "default:dry_grass_"..length,
})
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end
function default.register_decorations()
minetest.clear_registered_decorations()
-- Apple tree and log
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minetest.register_decoration({
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deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
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offset = 0.04,
scale = 0.02,
spread = {x = 250, y = 250, z = 250},
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seed = 2,
octaves = 3,
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persist = 0.66
},
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biomes = {"deciduous_forest"},
y_min = 1,
y_max = 31000,
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schematic = minetest.get_modpath("default").."/schematics/apple_tree.mts",
flags = "place_center_x, place_center_z",
})
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minetest.register_decoration({
deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
Aspen trees. Adds a birch-like tree to the default_game. Aspen was chosen on purpose instead of birch, as several birch tree mods already exist and choosing a different name avoids any conflicts. Schematics were made for both normal and sapling version, assuring saplings will not be able to grief. The shape of the Aspen is "fanning out at the top" and provides an easy tree to walk under, but still a somewhat thick cover. The Aspen trunk is 4 to 6 blocks tall, with up to three layers of leaves on top, making it slightly taller than an Apple tree, but shorter than a Pine tree, which provides a good blend. Textures were painted from scratch, except tree_top and _wood variants, which are color modified versions of the pine_wood variants. Appropriate licenses have been chosen for the new textures. The leaf texture is light enough to contrast other trees, but dark enough to offset against our light default grass color. The leaves are drawn in the typical minetest default fashion with plenty of transparancy, but enough definition to suggest that you're seeing something that looks like leaves. The placement of leaves in the schematic also suggests the top of the tree is sparse and you can see the sky through the leaves. Sapling texture is both traditional and different, with lush green leaves and a well-defined stem, but slightly stick-like and skinny, as these plants tend to grow up first, then out. Add fallen Aspen logs. We make these logs a minimum of 2 blocks long, and up to 3. This allows us to make these logs a place where both red and brown mushrooms can be found, to these may be attractive to players. However, the spawn rate for these has been reduced a lot compared to the other logs, to account for the scarcity of Aspen. Add stairs, slabs for these wood types as well. Mapgen will place these trees in deciduous forests only, but in a way that the biome is a range between entirely Apple trees, and mostly entirely Aspen trees, with a bias to Apple trees. To make fallen logs somewhat correlated with trees, we modify the planting of Apple trees and logs to use perlin noise and not fill ratio, otherwise you'd always end up with Apple logs in Aspen tree areas, which would be suspicious. There still is a bit of a mix.
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sidelen = 16,
noise_params = {
offset = 0.002,
scale = 0.001,
spread = {x = 250, y = 250, z = 250},
seed = 2,
octaves = 3,
persist = 0.66
},
biomes = {"deciduous_forest"},
y_min = 1,
y_max = 31000,
schematic = {
size = { x = 3, y = 3, z = 1},
data = {
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "default:tree", param2 = 12, prob = 191 },
{ name = "default:tree", param2 = 12 },
{ name = "default:tree", param2 = 12, prob = 127 },
{ name = "air", prob = 0 },
{ name = "flowers:mushroom_brown", prob = 63 },
{ name = "air", prob = 0 },
},
},
flags = "place_center_x",
rotation = "random",
})
-- Jungle tree and log
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minetest.register_decoration({
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deco_type = "schematic",
place_on = {"default:dirt_with_grass", "default:dirt"},
sidelen = 80,
fill_ratio = 0.09,
biomes = {"rainforest", "rainforest_swamp"},
y_min = 0,
y_max = 31000,
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schematic = minetest.get_modpath("default").."/schematics/jungle_tree.mts",
flags = "place_center_x, place_center_z",
rotation = "random",
})
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minetest.register_decoration({
deco_type = "schematic",
place_on = {"default:dirt_with_grass", "default:dirt"},
sidelen = 80,
fill_ratio = 0.01,
biomes = {"rainforest", "rainforest_swamp"},
y_min = 1,
y_max = 31000,
schematic = {
size = { x = 3, y = 3, z = 1},
data = {
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "default:jungletree", param2 = 12, prob = 191 },
{ name = "default:jungletree", param2 = 12 },
{ name = "default:jungletree", param2 = 12, prob = 127 },
{ name = "air", prob = 0 },
{ name = "flowers:mushroom_brown", prob = 127 },
{ name = "air", prob = 0 },
},
},
flags = "place_center_x",
rotation = "random",
})
-- Taiga and temperate coniferous forest pine tree and log
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minetest.register_decoration({
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deco_type = "schematic",
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place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
sidelen = 16,
noise_params = {
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offset = 0.04,
scale = 0.02,
spread = {x = 250, y = 250, z = 250},
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seed = 2,
octaves = 3,
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persist = 0.66
},
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biomes = {"taiga", "coniferous_forest"},
y_min = 2,
y_max = 31000,
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schematic = minetest.get_modpath("default").."/schematics/pine_tree.mts",
flags = "place_center_x, place_center_z",
})
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minetest.register_decoration({
deco_type = "schematic",
place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
sidelen = 80,
fill_ratio = 0.003,
biomes = {"taiga", "coniferous_forest"},
y_min = 1,
y_max = 31000,
schematic = {
size = { x = 3, y = 3, z = 1},
data = {
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "default:pine_tree", param2 = 12, prob = 191 },
{ name = "default:pine_tree", param2 = 12 },
{ name = "default:pine_tree", param2 = 12, prob = 127 },
{ name = "air", prob = 0 },
{ name = "flowers:mushroom_red", prob = 63 },
{ name = "air", prob = 0 },
},
},
flags = "place_center_x",
rotation = "random",
})
-- Acacia tree and log
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minetest.register_decoration({
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deco_type = "schematic",
place_on = {"default:dirt_with_dry_grass"},
sidelen = 16,
noise_params = {
offset = 0,
scale = 0.002,
spread = {x = 250, y = 250, z = 250},
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seed = 2,
octaves = 3,
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persist = 0.66
},
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biomes = {"savanna"},
y_min = 1,
y_max = 31000,
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schematic = minetest.get_modpath("default").."/schematics/acacia_tree.mts",
flags = "place_center_x, place_center_z",
rotation = "random",
})
minetest.register_decoration({
deco_type = "schematic",
place_on = {"default:dirt_with_dry_grass"},
sidelen = 16,
noise_params = {
offset = 0,
scale = 0.001,
spread = {x = 250, y = 250, z = 250},
seed = 2,
octaves = 3,
persist = 0.66
},
biomes = {"savanna"},
y_min = 1,
y_max = 31000,
schematic = {
size = { x = 3, y = 2, z = 1},
data = {
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "default:acacia_tree", param2 = 12, prob = 191 },
{ name = "default:acacia_tree", param2 = 12 },
{ name = "default:acacia_tree", param2 = 12, prob = 127 },
},
},
flags = "place_center_x",
rotation = "random",
})
Aspen trees. Adds a birch-like tree to the default_game. Aspen was chosen on purpose instead of birch, as several birch tree mods already exist and choosing a different name avoids any conflicts. Schematics were made for both normal and sapling version, assuring saplings will not be able to grief. The shape of the Aspen is "fanning out at the top" and provides an easy tree to walk under, but still a somewhat thick cover. The Aspen trunk is 4 to 6 blocks tall, with up to three layers of leaves on top, making it slightly taller than an Apple tree, but shorter than a Pine tree, which provides a good blend. Textures were painted from scratch, except tree_top and _wood variants, which are color modified versions of the pine_wood variants. Appropriate licenses have been chosen for the new textures. The leaf texture is light enough to contrast other trees, but dark enough to offset against our light default grass color. The leaves are drawn in the typical minetest default fashion with plenty of transparancy, but enough definition to suggest that you're seeing something that looks like leaves. The placement of leaves in the schematic also suggests the top of the tree is sparse and you can see the sky through the leaves. Sapling texture is both traditional and different, with lush green leaves and a well-defined stem, but slightly stick-like and skinny, as these plants tend to grow up first, then out. Add fallen Aspen logs. We make these logs a minimum of 2 blocks long, and up to 3. This allows us to make these logs a place where both red and brown mushrooms can be found, to these may be attractive to players. However, the spawn rate for these has been reduced a lot compared to the other logs, to account for the scarcity of Aspen. Add stairs, slabs for these wood types as well. Mapgen will place these trees in deciduous forests only, but in a way that the biome is a range between entirely Apple trees, and mostly entirely Aspen trees, with a bias to Apple trees. To make fallen logs somewhat correlated with trees, we modify the planting of Apple trees and logs to use perlin noise and not fill ratio, otherwise you'd always end up with Apple logs in Aspen tree areas, which would be suspicious. There still is a bit of a mix.
2016-01-05 02:56:20 +01:00
-- Aspen tree and log
minetest.register_decoration({
deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = 0.01,
scale = -0.02,
spread = {x = 250, y = 250, z = 250},
seed = 2,
octaves = 3,
persist = 0.66
},
biomes = {"deciduous_forest"},
y_min = 1,
y_max = 31000,
schematic = minetest.get_modpath("default").."/schematics/aspen_tree.mts",
flags = "place_center_x, place_center_z",
rotation = "random",
})
minetest.register_decoration({
deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = 0.0005,
scale = -0.001,
spread = {x = 250, y = 250, z = 250},
seed = 2,
octaves = 3,
persist = 0.66
},
biomes = {"deciduous_forest"},
y_min = 1,
y_max = 31000,
schematic = {
size = { x = 3, y = 3, z = 1},
data = {
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "air", prob = 0 },
{ name = "default:aspen_tree", param2 = 12 },
{ name = "default:aspen_tree", param2 = 12 },
{ name = "default:aspen_tree", param2 = 12, prob = 127 },
{ name = "flowers:mushroom_red", prob = 63 },
{ name = "flowers:mushroom_brown", prob = 63 },
{ name = "air", prob = 0 },
},
},
flags = "place_center_x",
rotation = "random",
})
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-- Large cactus
minetest.register_decoration({
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deco_type = "schematic",
place_on = {"default:desert_sand"},
sidelen = 16,
noise_params = {
offset = -0.0003,
scale = 0.0009,
spread = {x = 200, y = 200, z = 200},
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seed = 230,
octaves = 3,
persist = 0.6
},
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biomes = {"desert"},
y_min = 5,
y_max = 31000,
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schematic = minetest.get_modpath("default").."/schematics/large_cactus.mts",
flags = "place_center_x",
rotation = "random",
})
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-- Cactus
minetest.register_decoration({
deco_type = "simple",
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place_on = {"default:desert_sand"},
sidelen = 16,
noise_params = {
offset = -0.0003,
scale = 0.0009,
spread = {x = 200, y = 200, z = 200},
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seed = 230,
octaves = 3,
persist = 0.6
},
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biomes = {"desert"},
y_min = 5,
y_max = 31000,
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decoration = "default:cactus",
height = 2,
height_max = 5,
})
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-- Papyrus
minetest.register_decoration({
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deco_type = "schematic",
place_on = {"default:dirt"},
sidelen = 16,
noise_params = {
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offset = -0.3,
scale = 0.7,
spread = {x = 200, y = 200, z = 200},
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seed = 354,
octaves = 3,
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persist = 0.7
},
biomes = {"savanna_swamp"},
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y_min = 0,
y_max = 0,
schematic = minetest.get_modpath("default").."/schematics/papyrus.mts",
})
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-- Grasses
register_grass_decoration(-0.03, 0.09, 5)
register_grass_decoration(-0.015, 0.075, 4)
register_grass_decoration(0, 0.06, 3)
register_grass_decoration(0.015, 0.045, 2)
register_grass_decoration(0.03, 0.03, 1)
-- Dry grasses
register_dry_grass_decoration(0.01, 0.05, 5)
register_dry_grass_decoration(0.03, 0.03, 4)
register_dry_grass_decoration(0.05, 0.01, 3)
register_dry_grass_decoration(0.07, -0.01, 2)
register_dry_grass_decoration(0.09, -0.03, 1)
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-- Junglegrass
minetest.register_decoration({
deco_type = "simple",
place_on = {"default:dirt_with_grass"},
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sidelen = 80,
fill_ratio = 0.1,
biomes = {"rainforest"},
y_min = 1,
y_max = 31000,
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decoration = "default:junglegrass",
})
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-- Dry shrub
minetest.register_decoration({
deco_type = "simple",
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place_on = {"default:desert_sand", "default:dirt_with_snow"},
sidelen = 16,
noise_params = {
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offset = 0,
scale = 0.02,
spread = {x = 200, y = 200, z = 200},
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seed = 329,
octaves = 3,
persist = 0.6
},
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biomes = {"desert", "tundra"},
y_min = 2,
y_max = 31000,
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decoration = "default:dry_shrub",
})
end
--
-- Generate nyan cats
--
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-- All mapgens except singlenode
function default.make_nyancat(pos, facedir, length)
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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
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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
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minetest.set_node(p, {name = "default:nyancat_rainbow", param2 = facedir})
end
end
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)
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local volume = (maxp.x - minp.x + 1) * (y_max - y_min + 1) * (maxp.z - minp.z + 1)
local pr = PseudoRandom(seed + 9324342)
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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)
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local p0 = {x = x0, y = y0, z = z0}
default.make_nyancat(p0, pr:next(0, 3), pr:next(3, 15))
end
end
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 == "v6" then
default.register_ores()
default.register_mgv6_decorations()
minetest.register_on_generated(default.generate_nyancats)
elseif mg_params.mgname ~= "singlenode" then
default.register_biomes()
default.register_ores()
default.register_decorations()
minetest.register_on_generated(default.generate_nyancats)
end