mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-15 04:33:00 +00:00
83 lines
3.5 KiB
Lua
83 lines
3.5 KiB
Lua
-- ███████ ███████ █████ ██████ ████████ ██████ ██████
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
|
-- ███████ █████ ███████ ██ ██ ██ ██ ██████
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
|
-- ███████ ██ ██ ██ ██████ ██ ██████ ██ ██
|
|
local wea = worldeditadditions
|
|
worldedit.register_command("sfactor", {
|
|
params = "<mode> <factor> [<target=xz>]",
|
|
description = "Make the length of one or more target axes of the current selection to be multiple(s) of <factor>.",
|
|
privs = { worldedit = true },
|
|
require_pos = 2,
|
|
parse = function(params_text)
|
|
local parts = wea.split(params_text, "%s+", false)
|
|
|
|
if #parts < 2 then
|
|
return false, "Error: Not enough arguments. Expected \"<mode> <factor> [<target>]\"."
|
|
end
|
|
local mode, fac, targ = unpack(parts)
|
|
local modeSet = wea.makeset {"grow", "shrink", "avg"}
|
|
|
|
-- Mode parsing
|
|
if mode == "average" then -- If mode is average set to avg
|
|
mode = "avg"
|
|
elseif not modeSet[mode] then -- If mode is invalid throw error
|
|
return false, "Error: Invalid <mode> \""..mode.."\". Expected \"grow\", \"shrink\", or \"average\"/\"avg\"."
|
|
end
|
|
|
|
-- Factor parsing
|
|
local factest = tonumber(fac)
|
|
if not factest then
|
|
return false, "Error: Invalid <factor> \""..fac.."\". Expected a number."
|
|
elseif factest < 2 then
|
|
return false, "Error: <factor> is too low. Expected a number equal to or greater than 2."
|
|
else
|
|
fac = math.floor(factest+0.5)
|
|
end
|
|
|
|
-- Target parsing
|
|
if not targ then -- If no target set to default (xz)
|
|
targ = "xz"
|
|
elseif targ:match("[xyz]+") then -- ensure correct target syntax
|
|
targ = table.concat(wea.tochars(targ:match("[xyz]+"),true,true))
|
|
else
|
|
return false, "Error: Invalid <target> \""..targ.."\". Expected \"x\" and or \"y\" and or \"z\"."
|
|
end
|
|
|
|
return true, mode, fac, targ
|
|
end,
|
|
func = function(name, mode, fac, targ)
|
|
local p1, p2 = vector.new(worldedit.pos1[name]), vector.new(worldedit.pos2[name])
|
|
local delta = vector.subtract(p2,p1) -- local delta equation: Vd(a) = V2(a) - V1(a)
|
|
local _tl = #targ -- Get targ length as a variable incase mode is "average"/"avg"
|
|
local targ = wea.tocharset(targ) -- Break up targ string into set table
|
|
local _m = 0 -- _m is the container to hold the average of the axes in targ
|
|
|
|
-- set _m to the max, min or mean of the target axes depending on mode (_tl is the length of targ) or base if it exists
|
|
if mode == "avg" then
|
|
for k,v in pairs(targ) do _m = _m + math.abs(delta[k]) end
|
|
_m = _m / _tl
|
|
end
|
|
|
|
-- Equasion: round(delta[<axis>] / factor) * factor
|
|
local eval = function(int,fac)
|
|
local tmp, abs, neg = int / fac, math.abs(int), int < 0
|
|
|
|
if mode == "avg" then
|
|
if int > _m then int = math.floor(abs / fac) * fac
|
|
else int = math.ceil(abs / fac) * fac end
|
|
elseif mode == "shrink" then int = math.floor(abs / fac) * fac
|
|
else int = math.ceil(abs / fac) * fac end
|
|
|
|
if int < fac then int = fac end -- Ensure selection doesn't collapse to 0
|
|
if neg then int = int * -1 end -- Ensure correct facing direction
|
|
return int
|
|
end
|
|
|
|
for k,v in pairs(targ) do delta[k] = eval(delta[k],fac) end
|
|
|
|
worldedit.pos2[name] = vector.add(p1,delta)
|
|
worldedit.mark_pos2(name)
|
|
return true, "position 2 set to " .. minetest.pos_to_string(p2)
|
|
end
|
|
})
|