Minetest-WorldEditAdditions/worldeditadditions_commands/commands/meta/noiseapply2d.lua
Starbeamrainbowlabs 2920f7081d
Add //noiseapply
2021-08-07 23:01:15 +01:00

88 lines
4.1 KiB
Lua

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worldedit.register_command("noiseapply2d", {
params = "<threshold> <scale> <command_name> <args>",
description = "Executes the given command (automatically prepending '//'), but uses a 2d noise function with both a threshold value (a number between 0 and 1) and a scale value (number, 1 = normal scale, for small areas 10+ is recommended) to filter where in the defined region it's applied.",
privs = { worldedit = true },
require_pos = 2,
parse = function(params_text)
if params_text == "" then return false, "Error: No command specified." end
local threshold_text, scale_text, cmd_name, args_text = params_text:match("([^%s]+)%s+([^%s]+)%s+([^%s]+)%s*(.*)")
if not args_text then
args_text = ""
end
-- Note that we search the worldedit commands here, not the minetest ones
local cmd_we = worldedit.registered_commands[cmd_name]
if cmd_we == nil then
return false, "Error: "..cmd_name.." isn't a valid command."
end
if cmd_we.require_pos ~= 2 and cmd_name ~= "multi" then
return false, "Error: The command "..cmd_name.." exists, but doesn't take 2 positions and so can't be used with //noiseapply2d."
end
-- Run parsing of target command
-- Lifted from cubeapply in WorldEdit
local args_parsed = {cmd_we.parse(args_text)}
if not table.remove(args_parsed, 1) then
return false, args_parsed[1]
end
local threshold = tonumber(threshold_text)
if not threshold then
return false, "Error: Invalid threshold value '"..threshold_text.."'. Threshold values should be a floating-point number between 0 and 1."
end
if threshold < 0 or threshold > 1 then
return false, "Error: The threshold value '"..threshold.."' is out of bounds. Threshold values should be floating-point numbers between 0 and 1."
end
local scale = tonumber(scale_text)
if not scale then
return false, "Error: Invalid scale value '"..threshold_text.."'. Threshold values should be a floating-point number between 0 and 1."
end
return true, 1 - threshold, scale, cmd_we, args_parsed
end,
nodes_needed = function(name)
return worldedit.volume(
worldedit.pos1[name],
worldedit.pos2[name]
)
end,
func = function(name, threshold, scale, cmd, args_parsed)
if not minetest.check_player_privs(name, cmd.privs) then
return false, "Your privileges are insufficient to execute the command '"..cmd.."'."
end
local pos1, pos2 = worldeditadditions.Vector3.sort(
worldedit.pos1[name],
worldedit.pos2[name]
)
local success, stats_time = worldeditadditions.noiseapply2d(
pos1, pos2,
threshold,
worldeditadditions.Vector3.new(
scale, scale, scale
),
function()
cmd.func(name, worldeditadditions.table.unpack(args_parsed))
end
)
if not success then return success, stats_time end
local time_overhead = 100 - worldeditadditions.round((stats_time.fn / stats_time.all) * 100, 3)
local text_time_all = worldeditadditions.format.human_time(stats_time.all)
local text_time_fn = worldeditadditions.format.human_time(stats_time.fn)
minetest.log("action", name.." used //noiseapply2d at "..pos1.." - "..pos2.." in "..text_time_all)
return true, "Complete in "..text_time_all.." ("..text_time_fn.." fn, "..time_overhead.."% noiseapply2d overhead)"
end
})