added protector_night_pvp setting

pvp.lua

@@ -7,13 +7,16 @@ local statspawn = minetest.setting_get_pos("static_spawnpoint") or {x = 0, y = 2
 -- is pvp protection enabled
 protector.pvp = minetest.setting_getbool("protector_pvp")
 
+-- is night-only pvp enabled
+protector.night_pvp = minetest.setting_getbool("protector_night_pvp")
+
 -- disables PVP in your own protected areas
 if minetest.setting_getbool("enable_pvp") and protector.pvp then
 
 	if minetest.register_on_punchplayer then
 
-		minetest.register_on_punchplayer(
-		function(player, hitter, time_from_last_punch, tool_capabilities, dir, damage)
+		minetest.register_on_punchplayer(function(player, hitter,
+				time_from_last_punch, tool_capabilities, dir, damage)
 
 			if not player
 			or not hitter then
@@ -36,12 +39,26 @@ if minetest.setting_getbool("enable_pvp") and protector.pvp then
 				return true
 			end
 
+			-- do we enable pvp at night time only ?
+			if protector.night_pvp then
+
+				-- get time of day
+				local tod = minetest.get_timeofday() or 0
+
+				if tod > 0.2 and tod < 0.8 then
+					--
+				else
+					return false
+				end
+			end
+
+			-- is player being punched inside a protected area ?
 			if minetest.is_protected(pos, hitter:get_player_name()) then
 				return true
-			else
-				return false
 			end
 
+			return false
+
 		end)
 	else
 		print(S("[Protector] pvp_protect not active, update your version of Minetest"))