Clean up code

init.lua

@@ -12,32 +12,35 @@ local hp_bar = {
 
 function hp_bar:on_step(dtime)
 	local wielder = self.wielder
-	if wielder == nil then
-		self.object:remove()
-		 return
-	elseif minetest.env:get_player_by_name(wielder:get_player_name()) == nil then
+	if wielder == nil or
+			minetest.get_player_by_name(wielder:get_player_name()) == nil then
 		self.object:remove()
 		return
 	end
-	hp = wielder:get_hp()
-	breath = wielder:get_breath()
-	self.object:set_properties({textures = {"health_" .. tostring(hp) .. ".png^breath_" .. tostring(breath) .. ".png",},}
-	)
+
+	local hp = wielder:get_hp()
+	local breath = wielder:get_breath()
+	self.object:set_properties({
+		textures = {
+			"health_" .. tostring(hp) .. ".png^breath_" .. tostring(breath) .. ".png",
+		},
+	})
 end
 
 minetest.register_entity("gauges:hp_bar", hp_bar)
 
-function add_HP_gauge(pl)
-		local pos = pl:getpos()
-		local ent = minetest.env:add_entity(pos, "gauges:hp_bar")
-		if ent ~= nil then
-			ent:set_attach(pl, "", {x = 0, y = 10, z = 0}, {x = 0, y = 0, z = 0})
-			ent = ent:get_luaentity()
-			ent.wielder = pl
-		end
+local function add_HP_gauge(player)
+	local pos = player:get_pos()
+	local ent = minetest.add_entity(pos, "gauges:hp_bar")
+	if ent ~= nil then
+		ent:set_attach(player, "", {x = 0, y = 10, z = 0}, {x = 0, y = 0, z = 0})
+		ent = ent:get_luaentity()
+		ent.wielder = player
+	end
 end
 
-if minetest.setting_getbool("health_bars") ~= false -- “If not defined or set to true then”
-and minetest.setting_getbool("enable_damage") then -- Health bars only display when damage is enabled.
+-- If health_bars not defined or set to true
+if minetest.setting_getbool("health_bars") ~= false and
+		minetest.setting_getbool("enable_damage") then
 	minetest.register_on_joinplayer(add_HP_gauge)
 end