forked from mtcontrib/Minetest-WorldEdit
bb8456b711
Non-stylistic changes:
* Add LuaDoc/LDoc support.
* Fix `clear_objects` area size calculation.
* Fix `clear_objects` removing player objects.
* Fix shadowing of marker entity name with player name.
* Make visualization functions use `swap_node`.
* Make hidden nodes unwalkable.
* Prevent `hide` from hiding air.
* Make deprecated functions log to deprecated stream when called.
* Fixed `replaceinverse` not using normalized node names.
* Added .gitignore.
* Bump version to 1.1.
Stylistic changes:
* Change `x = function` to `function x`.
* Change comment format.
* Make missing VoxelManip error less obnoxious.
* Move `sort_pos` into `common.lua`, which is a required module.
* Remove local copies of `minetest`.
* Remove `worldedit = worldedit or {}` from modules.
* Replace replaceinverse with an inverse argument to `replace`.
* Added `error()`s on on invalid axes.
* Change `wip` to `TODO`.
* Rename `clearobjects` to `clear_objects`.
* Remove `hollow_{sphere,dome,cylinder}` and replace them with a hollow parameter to each function.
* Add helpers to reduce code duplication.
* Renamed `Chat Commands.md` to `ChatCommands.md`.
53 lines
1.3 KiB
Lua
53 lines
1.3 KiB
Lua
--- Lua code execution functions.
|
|
-- @module worldedit.code
|
|
|
|
--- Executes `code` as a Lua chunk in the global namespace.
|
|
-- @return An error message if the code fails, or nil on success.
|
|
function worldedit.lua(code)
|
|
local func, err = loadstring(code)
|
|
if not func then -- Syntax error
|
|
return err
|
|
end
|
|
local good, err = pcall(func)
|
|
if not good then -- Runtime error
|
|
return err
|
|
end
|
|
return nil
|
|
end
|
|
|
|
|
|
--- Executes `code` as a Lua chunk in the global namespace with the variable
|
|
-- pos available, for each node in a region defined by positions `pos1` and
|
|
-- `pos2`.
|
|
-- @return An error message if the code fails, or nil on success.
|
|
function worldedit.luatransform(pos1, pos2, code)
|
|
pos1, pos2 = worldedit.sort_pos(pos1, pos2)
|
|
|
|
local factory, err = loadstring("return function(pos) " .. code .. " end")
|
|
if not factory then -- Syntax error
|
|
return err
|
|
end
|
|
local func = factory()
|
|
|
|
worldedit.keep_loaded(pos1, pos2)
|
|
|
|
local pos = {x=pos1.x, y=0, z=0}
|
|
while pos.x <= pos2.x do
|
|
pos.y = pos1.y
|
|
while pos.y <= pos2.y do
|
|
pos.z = pos1.z
|
|
while pos.z <= pos2.z do
|
|
local good, err = pcall(func, pos)
|
|
if not good then -- Runtime error
|
|
return err
|
|
end
|
|
pos.z = pos.z + 1
|
|
end
|
|
pos.y = pos.y + 1
|
|
end
|
|
pos.x = pos.x + 1
|
|
end
|
|
return nil
|
|
end
|
|
|