Changed recipe to give 1 protector, added + button to formspec, tweaked and tidied code

pvp.lua

@@ -0,0 +1,51 @@
+
+-- get static spawn position
+local statspawn = (minetest.setting_get_pos("static_spawnpoint") or {x = 0, y = 2, z = 0})
+
+-- is pvp protection enabled and spawn protected
+protector.pvp = minetest.setting_getbool("protector_pvp")
+protector.spawn = (tonumber(minetest.setting_get("protector_pvp_spawn")) or 0)
+
+-- Disable 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)
+
+			if not player
+			or not hitter then
+				print("[Protector] on_punchplayer called with nil objects")
+			end
+
+			if not hitter:is_player() then
+				return false
+			end
+
+			-- no pvp at spawn area
+			local pos = player:getpos()
+
+			if pos.x < statspawn.x + protector.spawn
+			and pos.x > statspawn.x - protector.spawn
+			and pos.y < statspawn.y + protector.spawn
+			and pos.y > statspawn.y - protector.spawn
+			and pos.z < statspawn.z + protector.spawn
+			and pos.z > statspawn.z - protector.spawn then
+				return true
+			end
+
+			if minetest.is_protected(pos, hitter:get_player_name()) then
+				return true
+			else
+				return false
+			end
+
+		end)
+	else
+		print("[Protector] pvp_protect not active, update your version of Minetest")
+
+	end
+else
+	print("[Protector] pvp_protect is disabled")
+end