Faster insertion into table

builtin/mainmenu/common.lua

@@ -67,13 +67,13 @@ function order_favorite_list(list)
 	for i=1,#list,1 do
 		local fav = list[i]
 		if is_server_protocol_compat(fav.proto_min, fav.proto_max) then
-			table.insert(res, fav)
+			res[#res + 1] = fav
 		end
 	end
 	for i=1,#list,1 do
 		local fav = list[i]
 		if not is_server_protocol_compat(fav.proto_min, fav.proto_max) then
-			table.insert(res, fav)
+			res[#res + 1] = fav
 		end
 	end
 	return res

builtin/mainmenu/modmgr.lua

@@ -23,7 +23,7 @@ function get_mods(path,retval,modpack)
 		if name:sub(1, 1) ~= "." then
 			local prefix = path .. DIR_DELIM .. name .. DIR_DELIM
 			local toadd = {}
-			table.insert(retval, toadd)
+			retval[#retval + 1] = toadd
 
 			local mod_conf = Settings(prefix .. "mod.conf"):to_table()
 			if mod_conf.name then
@@ -412,7 +412,7 @@ function modmgr.preparemodlist(data)
 
 	for i=1,#global_mods,1 do
 		global_mods[i].typ = "global_mod"
-		table.insert(retval,global_mods[i])
+		retval[#retval + 1] = global_mods[i]
 	end
 
 	--read game mods
@@ -421,7 +421,7 @@ function modmgr.preparemodlist(data)
 
 	for i=1,#game_mods,1 do
 		game_mods[i].typ = "game_mod"
-		table.insert(retval,game_mods[i])
+		retval[#retval + 1] = game_mods[i]
 	end
 
 	if data.worldpath == nil then

builtin/mainmenu/tab_mods.lua

@@ -78,7 +78,7 @@ local function get_formspec(tabview, name, tabdata)
 			descriptionfile:close()
 		else
 			descriptionlines = {}
-			table.insert(descriptionlines,fgettext("No mod description available"))
+			descriptionlines[#descriptionlines + 1] = fgettext("No mod description available")
 		end
 
 		retval = retval ..

builtin/mainmenu/tab_texturepacks.lua

@@ -20,7 +20,7 @@ local function filter_texture_pack_list(list)
 	local retval = {}
 	for _, item in ipairs(list) do
 		if item ~= "base" then
-			table.insert(retval, item)
+			retval[#retval + 1] = item
 		end
 	end