mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-24 08:03:46 +01:00
38 lines
1.3 KiB
Lua
38 lines
1.3 KiB
Lua
--- Makes sure that the default settings are all present in the given params table.
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-- This way not all params have to be specified by the user.
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-- @param params table The params table generated from the user's input.
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-- @return table A NEW table with all the missing properties filled in with the default values.
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function worldeditadditions.noise.params_apply_default(params)
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local params_default = {
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algorithm = "perlin",
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-- Zooms in and out
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scale = vector.new(1, 1, 1),
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-- Offset the generated noise by this vector.
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offset = vector.new(0, 0, 0),
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-- Apply this exponent to the resulting noise value
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exponent = 1,
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-- Multiply the resulting noise value by this number. Changes the "strength" of the noise
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multiply = 1,
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-- Add this number to the resulting noise value
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add = 0
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-- The seed to generate the noise with. nil = randomly chosen
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-- The perlin generator isn't currently seedable :-/
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-- seed = nil
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}
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if not params[1] then params = { params } end
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-- If params[1] is thing, this is a list of params
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-- This might be a thing if we're dealingw ith multiple octaves
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for i,params_el in ipairs(params) do
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local default_copy = worldeditadditions.table.shallowcopy(params_default)
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worldeditadditions.table.apply(
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params_el,
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default_copy
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)
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params[i] = default_copy
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end
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return params
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end
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