Add `sort_pos` to make code module independent.

1 files changed, 16 insertions, 0 deletions

diff --git a/worldedit/code.lua b/worldedit/code.lua
index 8e2d362..fb04ce9 100644
--- a/worldedit/code.lua
+++ b/worldedit/code.lua
@@ -1,6 +1,22 @@
 worldedit = worldedit or {}

 local minetest = minetest --local copy of global

 

+--modifies positions `pos1` and `pos2` so that each component of `pos1` is less than or equal to its corresponding conent of `pos2`, returning two 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)

 	local operation, message = loadstring(code)