Add //homogenize, //lua, and //luatransform commands, as well as their documentation.

1 files changed, 43 insertions, 0 deletions

diff --git a/worldedit/code.lua b/worldedit/code.lua
new file mode 100644
index 0000000..ee2d340
--- /dev/null
+++ b/worldedit/code.lua
@@ -0,0 +1,43 @@
+worldedit = worldedit or {}

+

+--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)

+	if operation == nil then --code parsing failed

+		return message

+	end

+	local status, message = pcall(operation)

+	if status == nil then --operation failed

+		return message

+	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`, returning an error if the code fails or nil otherwise

+worldedit.luatransform = function(pos1, pos2, code)

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

+

+	local factory, message = loadstring("return function(pos) " .. code .. " end")

+	if factory == nil then --code parsing failed

+		return message

+	end

+	local operation = factory()

+

+	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 status, message = pcall(operation, pos)

+				if status == nil then --operation failed

+					return message

+				end

+				pos.z = pos.z + 1

+			end

+			pos.y = pos.y + 1

+		end

+		pos.x = pos.x + 1

+	end

+	return nil

+end
\ No newline at end of file