Using Screwdriver rotates the signs clockwise. Fix issue #2

init.lua

@@ -94,6 +94,50 @@ arrow_signs.on_place = function(itemstack, placer, pointed_thing)
 	return minetest.item_place_node(itemstack, placer, pointed_thing, param2)
 end
 
+local matrix = {
+	-- Mounted on Ground (-Y)
+	[10]=19,
+	[19]=4,
+	[4]=13,
+	[13]=10,
+
+	-- Mounted on Top (+Y)
+	[8]=17,
+	[17]=6,
+	[6]=15,
+	[15]=8,
+
+	-- Mounted at South (-Z)
+	[2]=18, -- down
+	[18]=22, -- left
+	[22]=14, -- up
+	[14]=2, -- right
+
+	-- Mounted at North (+Z)
+	[0]=12, -- down
+	[12]=20, -- left
+	[20]=16, -- up
+	[16]=0, -- right
+
+	-- Mounted at West (-X)
+	[3]=7, -- down
+	[7]=21, -- left
+	[21]=11, -- up
+	[11]=3, -- right
+
+	-- Mounted at East (+X)
+	[1]=9, -- down
+	[9]=23, -- left
+	[23]=5, -- up
+	[5]=1, -- right
+}
+
+arrow_signs.on_rotate = function(pos, node, player, mode, new_param2)
+	node.param2 = matrix[node.param2] or 0 --in case of error
+	minetest.swap_node(pos,node)
+	return true
+end
+
 arrow_signs.savetext = function(pos, formname, fields, sender)
 	if fields.text then
 		local playername = sender:get_player_name() or ""

shared_locked.lua

@@ -1,7 +1,7 @@
 --[[
-    Shared Locked Arrow sign
+	Shared Locked Arrow sign
 
-    This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
+	This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
 	To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
 ]]
 minetest.register_node("arrow_signs:shared_locked", {
@@ -24,7 +24,7 @@ minetest.register_node("arrow_signs:shared_locked", {
 			locks:lock_set_owner( pointed_thing.above, placer, "Shared locked sign");
 			return itemstack
 	end,
-
+	on_rotate = arrow_signs.on_rotate,
 	on_construct = function(pos)
 			local meta =  minetest.get_meta(pos)
 			-- prepare the lock of the sign

steel.lua

@@ -1,7 +1,7 @@
 --[[
-    Steel Arrow Sign
+	Steel Arrow Sign
 
-    This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
+	This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
 	To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
 ]]
 
@@ -20,6 +20,7 @@ minetest.register_node("arrow_signs:steel", {
 	groups = {cracky = 2},
 	sounds = default.node_sound_defaults(),
 	on_place = arrow_signs.on_place,
+	on_rotate = arrow_signs.on_rotate,
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec", arrow_signs.formspec)

wood.lua

@@ -1,7 +1,7 @@
 --[[
-    Wooden Arrow sign
+	Wooden Arrow sign
 
-    This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
+	This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
 	To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
 ]]
 
@@ -20,6 +20,7 @@ minetest.register_node("arrow_signs:wall", {
 	groups = {choppy = 2, flammable = 2, oddly_breakable_by_hand = 3},
 	sounds = default.node_sound_defaults(),
 	on_place = arrow_signs.on_place,
+	on_rotate = arrow_signs.on_rotate,
 	on_construct = function(pos)
 		--local n = minetest.get_node(pos)
 		local meta = minetest.get_meta(pos)