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-rw-r--r--worldedit/code.lua40
1 files changed, 11 insertions, 29 deletions
diff --git a/worldedit/code.lua b/worldedit/code.lua
index 2959bf8..a939deb 100644
--- a/worldedit/code.lua
+++ b/worldedit/code.lua
@@ -1,27 +1,9 @@
-worldedit = worldedit or {}
-local minetest = minetest -- local copy of global
+--- Lua code execution functions.
+-- @module worldedit.code
--- Copies and modifies positions `pos1` and `pos2` so that each component of
--- `pos1` is less than or equal to the corresponding component of `pos2`.
--- Returns the new positions.
-worldedit.sort_pos = function(pos1, pos2)
- pos1 = {x=pos1.x, y=pos1.y, z=pos1.z}
- pos2 = {x=pos2.x, y=pos2.y, z=pos2.z}
- if pos1.x > pos2.x then
- pos2.x, pos1.x = pos1.x, pos2.x
- end
- if pos1.y > pos2.y then
- pos2.y, pos1.y = pos1.y, pos2.y
- end
- if pos1.z > pos2.z then
- pos2.z, pos1.z = pos1.z, pos2.z
- end
- return pos1, pos2
-end
-
--- Executes `code` as a Lua chunk in the global namespace,
--- returning an error if the code fails, or nil otherwise.
-worldedit.lua = function(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
@@ -33,10 +15,12 @@ worldedit.lua = function(code)
return nil
end
--- Executes `code` as a Lua chunk in the global namespace with the variable
+
+--- 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`, returning an error if the code fails, or nil otherwise
-worldedit.luatransform = function(pos1, pos2, code)
+-- `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")
@@ -45,9 +29,7 @@ worldedit.luatransform = function(pos1, pos2, code)
end
local func = factory()
- -- Keep area loaded
- local manip = minetest.get_voxel_manip()
- manip:read_from_map(pos1, pos2)
+ worldedit.keep_loaded(pos1, pos2)
local pos = {x=pos1.x, y=0, z=0}
while pos.x <= pos2.x do