New method for place signs.

init.lua

@@ -6,6 +6,50 @@
 	
 arrow_signs={}
 
+arrow_signs_on_place = function(itemstack, placer, pointed_thing)
+	local function transformvector(vector)
+		local vectorlist ={
+			{cmin = -1, cmax = -0.5}, 
+			{cmin = -0.5, cmax = 0},
+			{cmin = 0, cmax = 0.5},
+			{cmin = 0.5, cmax = 1}
+		}
+		local r = {}
+		for n,res in pairs(vector) do
+			for ia=1,table.getn(vectorlist) do
+				if vectorlist[ia].cmin<res and vectorlist[ia].cmax>res then
+					r[n]=ia
+				end
+			end	
+		end
+		return  r["x"]*10+r["z"]
+	end
+	
+	local pos = pointed_thing.above
+	local vector = transformvector(placer:get_look_dir())
+	local changer = {
+		{31,5},
+		{12,14},
+		{24,11},
+		{43,16},	
+	}
+	local place = false
+	
+	for	i=1,table.getn(changer) do
+		if vector == changer[i][1] then
+			minetest.add_node(pos,{name = itemstack:get_name(), param2 = changer[i][2]})
+			place = true
+			break
+		end
+	end
+	if not(place) then
+		minetest.rotate_node(itemstack, placer, pointed_thing)
+	else
+		itemstack:take_item()
+		return itemstack
+	end
+end
+
  function arrow_signs:savetext(pos, formname, fields, sender)
 		
 		if not minetest.get_player_privs(sender:get_player_name())["interact"] then
@@ -91,7 +135,7 @@ minetest.register_node("arrow_signs:wall", {
 	walkable = false,
 	groups = {choppy=2,dig_immediate=2,sign=1},
 	sounds = default.node_sound_defaults(),
-	on_place = minetest.rotate_node,
+	on_place = arrow_signs_on_place,	
 	on_construct = function(pos)
 		--local n = minetest.get_node(pos)
 		local meta = minetest.get_meta(pos)

shared_locked.lua

@@ -23,13 +23,13 @@ minetest.register_node("arrow_signs:shared_locked", {
 	tiles = {"arrow_sign_border_left.png","arrow_sign_border_right.png","arrow_sign_border_up.png","arrow_sign_border_down.png","arrow_sign.png","arrow_sign.png"},
 	inventory_image = "arrow_sign.png",
 	paramtype = "light",
-	paramtype2 = "wallmounted",
+	paramtype2 = "facedir",
 	sunlight_propagates = true,
 	walkable = false,
 	groups = {choppy=2,dig_immediate=2,sign_locked=1},
 	legacy_wallmounted = true,
 	
-	on_place = minetest.rotate_node,
+	on_place = arrow_signs_on_place,
 	
 	on_construct = function(pos)
 			local meta =  minetest.get_meta(pos)