respect protection

init.lua

@@ -644,13 +644,22 @@ function unifieddyes.on_airbrush(itemstack, player, pointed_thing)
 	end
 
 	local pos = minetest.get_pointed_thing_position(pointed_thing)
-	if not pos then unifieddyes.show_airbrush_form(player) return end
+	if not pos or player:get_player_control().sneak then
+		unifieddyes.show_airbrush_form(player)
+		return
+	end
+
 	if not painting_with then return end
 
 	local node = minetest.get_node(pos)
 	local def = minetest.registered_items[node.name]
 	if not def then return end
 
+	if minetest.is_protected(pos, player_name) then
+		minetest.chat_send_player(player_name, "Sorry, someone else owns that node.")
+		return
+	end
+
 	if not def.palette then
 		minetest.chat_send_player(player_name, "That node can't be colored.")
 		return
@@ -877,6 +886,15 @@ minetest.register_tool("unifieddyes:airbrush", {
 	on_use = unifieddyes.on_airbrush
 })
 
+minetest.register_craft( {
+	output = "unifieddyes:airbrush",
+	recipe = {
+		{ "default:gold_ingot", "",                    "bucket:bucket_empty" },
+		{ "",                   "default:steel_ingot", ""                    },
+		{ "",                   "",                    "default:steel_ingot" }
+	},
+})
+
 minetest.register_on_player_receive_fields(function(player, formname, fields)
 	if formname == "unifieddyes:dye_select_form" then
 		local player_name = player:get_player_name()