Add `//scale <factor>` command (suggested by Jordach), fix transposition description in docs.

1 files changed, 37 insertions, 1 deletions

diff --git a/worldedit/manipulations.lua b/worldedit/manipulations.lua
index b5bcd3c..4b78e2a 100644
--- a/worldedit/manipulations.lua
+++ b/worldedit/manipulations.lua
@@ -222,7 +222,43 @@ worldedit.stack = function(pos1, pos2, axis, count, env)
 	return worldedit.volume(pos1, pos2)

 end

 

---transposes a region defined by the positions `pos1` and `pos2` between the `axis1` and `axis2` axes, returning the number of nodes transposed, the new position 1, and the new position 2

+--scales the region defined by positions `pos1` and `pos2` by an factor of positive integer `factor` with `pos1` as the origin, returning the number of nodes scaled, the new scaled position 1, and the new scaled position 2

+worldedit.scale = function(pos1, pos2, factor, env)

+	local pos1, pos2 = worldedit.sort_pos(pos1, pos2)

+	if env == nil then env = minetest.env end

+

+	local pos = {x=pos2.x, y=0, z=0}

+	local bigpos = {x=0, y=0, z=0}

+	size = factor - 1

+	while pos.x >= pos1.x do

+		pos.y = pos2.y

+		while pos.y >= pos1.y do

+			pos.z = pos2.z

+			while pos.z >= pos1.z do

+				local node = env:get_node(pos) --obtain current node

+				local meta = env:get_meta(pos):to_table() --get meta of current node

+				local value = pos[axis] --store current position

+				local posx, posy, posz = pos1.x + (pos.x - pos1.x) * factor, pos1.y + (pos.y - pos1.y) * factor, pos1.z + (pos.z - pos1.z) * factor

+				for x = 0, size do --fill in large node

+					for y = 0, size do

+						for z = 0, size do

+							bigpos.x, bigpos.y, bigpos.z = posx + x, posy + y, posz + z

+							env:add_node(bigpos, node) --copy node to new position

+							env:get_meta(bigpos):from_table(meta) --set metadata of new node

+						end

+					end

+				end

+				pos.z = pos.z - 1

+			end

+			pos.y = pos.y - 1

+		end

+		pos.x = pos.x - 1

+	end

+	local newpos2 = {x=pos1.x + (pos2.x - pos1.x) * factor + size, y=pos1.y + (pos2.y - pos1.y) * factor + size, z=pos1.z + (pos2.z - pos1.z) * factor + size}

+	return worldedit.volume(pos1, pos2), pos1, newpos2

+end

+

+--transposes a region defined by the positions `pos1` and `pos2` between the `axis1` and `axis2` axes, returning the number of nodes transposed, the new transposed position 1, and the new transposed position 2

 worldedit.transpose = function(pos1, pos2, axis1, axis2, env)

 	local pos1, pos2 = worldedit.sort_pos(pos1, pos2)