added /protector_show command (thanks agaran)

admin.lua

@@ -117,3 +117,36 @@ minetest.register_abm({
 		end
 	end
 })
+
+
+-- show protection areas of nearby protectors owned by you (thanks agaran)
+minetest.register_chatcommand("protector_show", {
+	params = "",
+	description = "Show protected areas of your nearby protectors",
+	privs = {},
+	func = function(name, param)
+
+		local player = minetest.get_player_by_name(name)
+		local pos = player:getpos()
+		local r = protector.radius -- max protector range.
+
+		-- find the protector nodes
+		local pos = minetest.find_nodes_in_area(
+			{x = pos.x - r, y = pos.y - r, z = pos.z - r},
+			{x = pos.x + r, y = pos.y + r, z = pos.z + r},
+			{"protector:protect", "protector:protect2"})
+
+		local meta, owner
+
+		-- show a maximum of 5 protected areas only
+		for n = 1, math.min(#pos, 5) do
+
+			meta = minetest.get_meta(pos[n])
+			owner = meta:get_string("owner") or ""
+
+			if owner == name then
+				minetest.add_entity(pos[n], "protector:display")
+			end
+		end
+	end
+})