Announce player revival (#82)

.luacheckrc

@@ -1,6 +1,7 @@
 unused_args = false
 
 globals = {
+	"core",
 	"minetest",
 	"pandorabox",
 	"default",

announce_player.lua

@@ -0,0 +1,52 @@
+-- No join/leave announcements for some players.
+--
+-- Priv is given to players e.g. with bad internet connection.
+local no_announce_priv = "no_announce"
+
+core.register_privilege(no_announce_priv, {
+	description = "player does not get announced",
+	give_to_singleplayer = false,
+})
+
+--
+-- chat commands so players can announce themselves
+
+core.register_chatcommand("announce_join", {
+	description = "join message",
+	privs = { [no_announce_priv] = true },
+	func = function(player_name)
+		core.chat_send_all("*** " .. player_name .. " joined the game")
+	end,
+})
+
+
+core.register_chatcommand("announce_leave", {
+	description = "leave message",
+	privs = { [no_announce_priv] = true },
+	func = function(player_name)
+		core.chat_send_all("*** " ..  player_name .. " left the game.")
+	end,
+})
+
+--
+-- Override functions implementing the priv
+
+local core_send_join_message = core.send_join_message
+core.send_join_message = function(player_name)
+	if core.check_player_privs(player_name, { [no_announce_priv] = true }) then
+		return
+	end
+
+	core_send_join_message(player_name)
+end
+
+
+local core_send_leave_message = core.send_leave_message
+core.send_leave_message = function(player_name, timed_out)
+	if core.check_player_privs(player_name, { [no_announce_priv] = true }) then
+		return
+	end
+
+	core_send_leave_message(player_name, timed_out)
+end
+

init.lua

@@ -38,6 +38,9 @@ dofile(MP.."/cleanup.lua")
 -- prejoin log
 dofile(MP.."/prejoin.lua")
 
+-- no-announce priv, chatcommands and functions
+dofile(MP .. "/announce_player.lua")
+
 -- bucket and xp limitation
 if minetest.get_modpath("bucket") and minetest.get_modpath("xp_redo") then
 	dofile(MP.."/onplace_restriction.lua")