Use a settings object for the main settings

This unifies the settings APIs.

This also unifies the sync and async registration APIs, since the async
registration API did not support adding non-functions to the API table.

builtin/game/auth.lua

@@ -106,7 +106,7 @@ core.builtin_auth_handler = {
 				end
 			end
 		-- For the admin, give everything
-		elseif name == core.setting_get("name") then
+		elseif name == core.settings:get("name") then
 			for priv, def in pairs(core.registered_privileges) do
 				privileges[priv] = true
 			end
@@ -125,7 +125,7 @@ core.builtin_auth_handler = {
 		core.log('info', "Built-in authentication handler adding player '"..name.."'")
 		core.auth_table[name] = {
 			password = password,
-			privileges = core.string_to_privs(core.setting_get("default_privs")),
+			privileges = core.string_to_privs(core.settings:get("default_privs")),
 			last_login = os.time(),
 		}
 		save_auth_file()
@@ -148,7 +148,7 @@ core.builtin_auth_handler = {
 		if not core.auth_table[name] then
 			core.builtin_auth_handler.create_auth(name,
 				core.get_password_hash(name,
-					core.setting_get("default_password")))
+					core.settings:get("default_password")))
 		end
 		core.auth_table[name].privileges = privileges
 		core.notify_authentication_modified(name)

builtin/game/chatcommands.lua

@@ -39,7 +39,7 @@ core.register_on_chat_message(function(name, message)
 	return true  -- Handled chat message
 end)
 
-if core.setting_getbool("profiler.load") then
+if core.settings:get_bool("profiler.load") then
 	-- Run after register_chatcommand and its register_on_chat_message
 	-- Before any chattcommands that should be profiled
 	profiler.init_chatcommand()
@@ -82,7 +82,7 @@ core.register_chatcommand("me", {
 core.register_chatcommand("admin", {
 	description = "Show the name of the server owner",
 	func = function(name)
-		local admin = minetest.setting_get("name")
+		local admin = minetest.settings:get("name")
 		if admin then
 			return true, "The administrator of this server is "..admin.."."
 		else
@@ -119,7 +119,7 @@ local function handle_grant_command(caller, grantname, grantprivstr)
 	local privs = core.get_player_privs(grantname)
 	local privs_unknown = ""
 	local basic_privs =
-		core.string_to_privs(core.setting_get("basic_privs") or "interact,shout")
+		core.string_to_privs(core.settings:get("basic_privs") or "interact,shout")
 	for priv, _ in pairs(grantprivs) do
 		if not basic_privs[priv] and not caller_privs.privs then
 			return false, "Your privileges are insufficient."
@@ -185,7 +185,7 @@ core.register_chatcommand("revoke", {
 		local revoke_privs = core.string_to_privs(revoke_priv_str)
 		local privs = core.get_player_privs(revoke_name)
 		local basic_privs =
-			core.string_to_privs(core.setting_get("basic_privs") or "interact,shout")
+			core.string_to_privs(core.settings:get("basic_privs") or "interact,shout")
 		for priv, _ in pairs(revoke_privs) do
 			if not basic_privs[priv] and
 					not core.check_player_privs(name, {privs=true}) then
@@ -419,20 +419,20 @@ core.register_chatcommand("set", {
 	func = function(name, param)
 		local arg, setname, setvalue = string.match(param, "(-[n]) ([^ ]+) (.+)")
 		if arg and arg == "-n" and setname and setvalue then
-			core.setting_set(setname, setvalue)
+			core.settings:set(setname, setvalue)
 			return true, setname .. " = " .. setvalue
 		end
 		local setname, setvalue = string.match(param, "([^ ]+) (.+)")
 		if setname and setvalue then
-			if not core.setting_get(setname) then
+			if not core.settings:get(setname) then
 				return false, "Failed. Use '/set -n <name> <value>' to create a new setting."
 			end
-			core.setting_set(setname, setvalue)
+			core.settings:set(setname, setvalue)
 			return true, setname .. " = " .. setvalue
 		end
 		local setname = string.match(param, "([^ ]+)")
 		if setname then
-			local setvalue = core.setting_get(setname)
+			local setvalue = core.settings:get(setname)
 			if not setvalue then
 				setvalue = "<not set>"
 			end
@@ -667,7 +667,7 @@ core.register_chatcommand("rollback_check", {
 			.. " seconds = 86400 = 24h, limit = 5",
 	privs = {rollback=true},
 	func = function(name, param)
-		if not core.setting_getbool("enable_rollback_recording") then
+		if not core.settings:get_bool("enable_rollback_recording") then
 			return false, "Rollback functions are disabled."
 		end
 		local range, seconds, limit =
@@ -718,7 +718,7 @@ core.register_chatcommand("rollback", {
 	description = "Revert actions of a player. Default for <seconds> is 60",
 	privs = {rollback=true},
 	func = function(name, param)
-		if not core.setting_getbool("enable_rollback_recording") then
+		if not core.settings:get_bool("enable_rollback_recording") then
 			return false, "Rollback functions are disabled."
 		end
 		local target_name, seconds = string.match(param, ":([^ ]+) *(%d*)")

builtin/game/deprecated.lua

@@ -49,3 +49,24 @@ setmetatable(core.env, {
 function core.rollback_get_last_node_actor(pos, range, seconds)
 	return core.rollback_get_node_actions(pos, range, seconds, 1)[1]
 end
+
+--
+-- core.setting_*
+--
+
+local settings = core.settings
+
+local function setting_proxy(name)
+	return function(...)
+		core.log("deprecated", "WARNING: minetest.setting_* "..
+			"functions are deprecated.  "..
+			"Use methods on the minetest.settings object.")
+		return settings[name](settings, ...)
+	end
+end
+
+core.setting_set = setting_proxy("set")
+core.setting_get = setting_proxy("get")
+core.setting_setbool = setting_proxy("set_bool")
+core.setting_getbool = setting_proxy("get_bool")
+core.setting_save = setting_proxy("write")

builtin/game/forceloading.lua

@@ -40,7 +40,7 @@ function core.forceload_block(pos, transient)
 	elseif other_table[hash] ~= nil then
 		relevant_table[hash] = 1
 	else
-		if total_forceloaded >= (tonumber(core.setting_get("max_forceloaded_blocks")) or 16) then
+		if total_forceloaded >= (tonumber(core.settings:get("max_forceloaded_blocks")) or 16) then
 			return false
 		end
 		total_forceloaded = total_forceloaded+1

builtin/game/init.lua

@@ -13,7 +13,7 @@ dofile(gamepath.."constants.lua")
 assert(loadfile(gamepath.."item.lua"))(builtin_shared)
 dofile(gamepath.."register.lua")
 
-if core.setting_getbool("profiler.load") then
+if core.settings:get_bool("profiler.load") then
 	profiler = dofile(scriptpath.."profiler"..DIR_DELIM.."init.lua")
 end
 

builtin/game/item.lua

@@ -483,7 +483,7 @@ function core.node_dig(pos, node, digger)
 		wielded = wdef.after_use(wielded, digger, node, dp) or wielded
 	else
 		-- Wear out tool
-		if not core.setting_getbool("creative_mode") then
+		if not core.settings:get_bool("creative_mode") then
 			wielded:add_wear(dp.wear)
 			if wielded:get_count() == 0 and wdef.sound and wdef.sound.breaks then
 				core.sound_play(wdef.sound.breaks, {pos = pos, gain = 0.5})

builtin/game/item_entity.lua

@@ -14,7 +14,7 @@ end
 -- If item_entity_ttl is not set, enity will have default life time
 -- Setting it to -1 disables the feature
 
-local time_to_live = tonumber(core.setting_get("item_entity_ttl"))
+local time_to_live = tonumber(core.settings:get("item_entity_ttl"))
 if not time_to_live then
 	time_to_live = 900
 end

builtin/game/misc.lua

@@ -121,7 +121,7 @@ function core.get_node_group(name, group)
 end
 
 function core.setting_get_pos(name)
-	local value = core.setting_get(name)
+	local value = core.settings:get(name)
 	if not value then
 		return nil
 	end

builtin/game/statbars.lua

@@ -1,5 +1,5 @@
 -- cache setting
-local enable_damage = core.setting_getbool("enable_damage") == true
+local enable_damage = core.settings:get_bool("enable_damage")
 
 local health_bar_definition =
 {

builtin/game/static_spawn.lua

@@ -1,10 +1,10 @@
 -- Minetest: builtin/static_spawn.lua
 
 local function warn_invalid_static_spawnpoint()
-	if core.setting_get("static_spawnpoint") and
+	if core.settings:get("static_spawnpoint") and
 			not core.setting_get_pos("static_spawnpoint") then
 		core.log("error", "The static_spawnpoint setting is invalid: \""..
-				core.setting_get("static_spawnpoint").."\"")
+				core.settings:get("static_spawnpoint").."\"")
 	end
 end