diff --git a/drowning.lua b/drowning.lua
index 778e1f8..ee46bdb 100644
--- a/drowning.lua
+++ b/drowning.lua
@@ -1,5 +1,52 @@
 
+local function check_player(player, timer)
+	local _, armor_inv = armor.get_valid_player(armor, player, "[spacesuit]")
 
+	local has_helmet = armor_inv:contains_item("armor", "spacesuit:helmet")
+	local has_chestplate = armor_inv:contains_item("armor", "spacesuit:chestplate")
+	local has_pants = armor_inv:contains_item("armor", "spacesuit:pants")
+	local has_boots = armor_inv:contains_item("armor", "spacesuit:boots")
+
+	local has_full_suit = has_helmet and has_chestplate and has_pants and has_boots
+
+	local armor_list = armor_inv:get_list("armor")
+
+	-- does the player wear a suit?
+	spacesuit.set_player_wearing(player, has_full_suit, has_helmet, armor_list)
+
+	if has_full_suit and player:get_breath() < 10 then
+
+		for i, stack in pairs(armor_inv:get_list("armor")) do
+			if not stack:is_empty() then
+				local name = stack:get_name()
+				if name:sub(1, 10) == "spacesuit:" then
+					local use = minetest.get_item_group(name, "armor_use") * timer or 0
+					armor:damage(player, i, stack, use)
+				end
+			end
+		end
+
+		player:set_breath(10)
+
+	elseif not has_full_suit then
+		-- check if player is in vacuum without spacesuit
+		local is_admin = minetest.check_player_privs(player:get_player_name(), "privs")
+		if not is_admin then
+			local ppos = player:get_pos()
+			local node = minetest.get_node(ppos)
+			if node.name == "vacuum:vacuum" then
+				-- player does not wear a suit, let him/her suffer!
+				local breath = player:get_breath()
+				if breath > 0 then
+					player:set_breath(math.max(0, player:get_breath() - 4))
+				end
+				if  breath < 4 then
+					player:set_hp( player:get_hp() - 2, "drown" )
+				end
+			end
+		end
+	end
+end
 
 local timer = 0
 minetest.register_globalstep(function(dtime)
@@ -8,53 +55,7 @@ minetest.register_globalstep(function(dtime)
 		local t0 = minetest.get_us_time()
 
 		for _,player in ipairs(minetest.get_connected_players()) do
-			local _, armor_inv = armor.get_valid_player(armor, player, "[spacesuit]")
-
-			local has_helmet = armor_inv:contains_item("armor", "spacesuit:helmet")
-			local has_chestplate = armor_inv:contains_item("armor", "spacesuit:chestplate")
-			local has_pants = armor_inv:contains_item("armor", "spacesuit:pants")
-			local has_boots = armor_inv:contains_item("armor", "spacesuit:boots")
-
-			local has_full_suit = has_helmet and has_chestplate and has_pants and has_boots
-
-			local armor_list = armor_inv:get_list("armor")
-
-			-- does the player wear a suit?
-			spacesuit.set_player_wearing(player, has_full_suit, has_helmet, armor_list)
-
-			if has_full_suit and player:get_breath() < 10 then
-
-				for i, stack in pairs(armor_inv:get_list("armor")) do
-					if not stack:is_empty() then
-						local name = stack:get_name()
-						if name:sub(1, 10) == "spacesuit:" then
-							local use = minetest.get_item_group(name, "armor_use") * timer or 0
-							armor:damage(player, i, stack, use)
-						end
-					end
-				end
-
-				player:set_breath(10)
-
-			elseif not has_full_suit then
-				-- check if player is in vacuum without spacesuit
-				local is_admin = minetest.check_player_privs(player:get_player_name(), "privs")
-				if not is_admin then
-					local ppos = player:get_pos()
-					local node = minetest.get_node(ppos)
-					if node.name == "vacuum:vacuum" then
-						-- player does not wear a suit, let him/her suffer!
-						local breath = player:get_breath()
-						if breath > 0 then
-							player:set_breath(math.max(0, player:get_breath() - 4))
-						end
-						if  breath < 4 then
-							player:set_hp( player:get_hp() - 2, "drown" )
-						end
-					end
-				end
-			end
-
+			check_player(player, timer)
 		end
 		timer = 0