Don't always update shield texture using set_properties

mods/ITEMS/mcl_shields/init.lua

@@ -67,6 +67,7 @@ minetest.register_entity("mcl_shields:shield_entity", {
 	},
 	_blocking = false,
 	_shield_number = 2,
+	_texture_copy = "",
 	on_step = function(self, dtime, moveresult)
 		local player = self.object:get_attach()
 		if not player then
@@ -96,7 +97,13 @@ minetest.register_entity("mcl_shields:shield_entity", {
 		if shield_is_enchanted(player, i) then
 			shield_texture = shield_texture .. overlay
 		end
+
+		if self._texture_copy ~= shield_texture then
 			self.object:set_properties({textures = {shield_texture}})
+			minetest.chat_send_all("updated")
+		end
+
+		self._texture_copy = shield_texture
 	end,
 })
 
@@ -297,16 +304,7 @@ local function update_shield_entity(player, blocking, i)
 	end
 end
 
-minetest.register_globalstep(function(dtime)
-	for _, player in pairs(minetest.get_connected_players()) do
-
-		handle_blocking(player)
-
-		local blocking, shieldstack = mcl_shields.is_blocking(player)
-
-		if blocking then
-			local shieldhud = shield_hud[player]
-			if not shieldhud then
+local function add_shield_hud(shieldstack, player)
 	local texture = hud
 	if mcl_enchanting.is_enchanted(shieldstack:get_name()) then
 		texture = texture .. overlay
@@ -328,7 +326,15 @@ minetest.register_globalstep(function(dtime)
 	})
 	playerphysics.add_physics_factor(player, "speed", "shield_speed", 0.5)
 	set_interact(player, nil)
-			else
+end
+
+local function update_shield_hud(player, blocking, shieldstack)
+	local shieldhud = shield_hud[player]
+	if not shieldhud then
+		add_shield_hud(shieldstack, player)
+		return
+	end
+
 	local wielditem = player:hud_get_flags().wielditem
 	if blocking == 1 then
 		if not wielditem then
@@ -336,13 +342,11 @@ minetest.register_globalstep(function(dtime)
 			player:hud_change(shieldhud, "offset", {x = -100, y = 0})
 			player:hud_set_flags({wielditem = true})
 		end
-				else
-					if wielditem then
+	elseif wielditem then
 		player:hud_change(shieldhud, "text", hud)
 		player:hud_change(shieldhud, "offset", {x = 100, y = 0})
 		player:hud_set_flags({wielditem = false})
 	end
-				end
 
 	local image = player:hud_get(shieldhud).text
 	local enchanted = hud .. overlay
@@ -364,6 +368,16 @@ minetest.register_globalstep(function(dtime)
 		end
 	end
 end
+
+minetest.register_globalstep(function(dtime)
+	for _, player in pairs(minetest.get_connected_players()) do
+
+		handle_blocking(player)
+
+		local blocking, shieldstack = mcl_shields.is_blocking(player)
+
+		if blocking then
+			update_shield_hud(player, blocking, shieldstack)
 		else
 			remove_shield_hud(player)
 		end
@@ -439,7 +453,10 @@ local function to_shield_texture(banner_texture)
 end
 
 local function craft_banner_on_shield(itemstack, player, old_craft_grid, craft_inv)
-	if string.find(itemstack:get_name(), "mcl_shields:shield_") then
+	if not string.find(itemstack:get_name(), "mcl_shields:shield_") then
+		return itemstack
+	end
+
 	local shield_stack
 	for i = 1, player:get_inventory():get_size("craft") do
 		local stack = old_craft_grid[i]
@@ -449,6 +466,7 @@ local function craft_banner_on_shield(itemstack, player, old_craft_grid, craft_i
 			break
 		end
 	end
+
 	for i = 1, player:get_inventory():get_size("craft") do
 		local banner_stack = old_craft_grid[i]
 		local banner_name = banner_stack:get_name()
@@ -468,8 +486,6 @@ local function craft_banner_on_shield(itemstack, player, old_craft_grid, craft_i
 		end
 	end
 end
-	return itemstack
-end
 
 minetest.register_craft_predict(function(itemstack, player, old_craft_grid, craft_inv)
 	return craft_banner_on_shield(itemstack, player, old_craft_grid, craft_inv)