42 lines
1.1 KiB
Lua
42 lines
1.1 KiB
Lua
-- Biome lib util functions
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function pl.get_nodedef_field(nodename, fieldname)
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if not minetest.registered_nodes[nodename] then
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return nil
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end
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return minetest.registered_nodes[nodename][fieldname]
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end
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if minetest.get_modpath("unified_inventory") or not minetest.settings:get_bool("creative_mode") then
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pl.expect_infinite_stacks = false
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else
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pl.expect_infinite_stacks = true
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end
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-- Noise param helper
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local function set_defaults(biome)
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biome.seed_diff = biome.seed_diff or 0
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biome.rarity = biome.rarity or 50
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biome.rarity_fertility = biome.rarity_fertility or 0
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biome.max_count = biome.max_count or 125
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return biome
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end
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function pl.generate_noise_params(b)
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local biome = set_defaults(b)
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local r = (100-biome.rarity)/100
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local mc = math.min(biome.max_count, 6400)/6400
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local noise_params = {
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octaves = biome_lib.fertile_perlin_octaves,
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persist = biome_lib.fertile_perlin_persistence * (100/biome_lib.fertile_perlin_scale),
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scale = math.min(r, mc),
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seed = biome.seed_diff,
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offset = 0,
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spread = {x = 100, y = 100, z = 100},
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lacunarity = 2,
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flags = "absvalue"
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}
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return noise_params
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end |