Minetest-WorldEditAdditions/worldeditadditions_commands/commands/noise2d.lua

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local wea = worldeditadditions
worldedit.register_command("noise2d", {
params = "[<key_1> [<value_1>]] [<key_2> [<value_2>]] ...]",
description = "Applies 2d random noise to the terrain as a 2d heightmap in the defined region. Optionally takes an arbitrary set of key - value pairs representing parameters that control the properties of the noise and how it's applied. See the full documentation for details of these parameters and what they do.",
privs = { worldedit = true },
require_pos = 2,
parse = function(params_text)
if not params_text then return true, {} end
params_text = wea.trim(params_text)
if params_text == "" then return true, {} end
local success, map = worldeditadditions.parse.map(params_text, {
-- Keywords
"perlin", "sin"
})
if not success then return success, map end
print("DEBUG noise_params raw ", wea.format.map(map))
if map.scale then
map.scale = tonumber(map.scale)
map.scale = wea.Vector3.new(map.scale, map.scale, map.scale)
elseif map.scalex or map.scaley or map.scalez then
map.scalex = tonumber(map.scalex) or 1
map.scaley = tonumber(map.scaley) or 1
map.scalez = tonumber(map.scalez) or 1
map.scale = wea.Vector3.new(map.scalex, map.scaley, map.scalez)
end
if map.offsetx or map.offsety or map.offsetz then
map.offsetx = tonumber(map.offsetx) or 0
map.offsety = tonumber(map.offsety) or 0
map.offsetz = tonumber(map.offsetz) or 0
map.offset = wea.Vector3.new(map.offsetx, map.offsety, map.offsetz)
end
return true, map
end,
nodes_needed = function(name)
return worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
end,
func = function(name, params)
local start_time = worldeditadditions.get_ms_time()
local success, stats = worldeditadditions.noise.run2d(
worldedit.pos1[name], worldedit.pos2[name],
params
)
if not success then return success, stats end
local time_taken = worldeditadditions.get_ms_time() - start_time
minetest.log("action", name .. " used //noise2d at " .. worldeditadditions.vector.tostring(worldedit.pos1[name]) .. ", adding " .. stats.added .. " nodes and removing " .. stats.removed .. " nodes in " .. time_taken .. "s")
return true, stats.added .. " nodes added and " .. stats.removed .. " nodes removed in " .. worldeditadditions.format.human_time(time_taken)
end
})