Update kb.lua

hud.lua

@@ -16,6 +16,10 @@ minetest.register_on_joinplayer(function(player)
 	minetest.after(1, sumo_duels.hud_update, nil)
 end)
 
+minetest.register_on_leaveplayer(function(player)
+	sumo_duels.huds[player:get_player_name()] = nil
+end)
+
 sumo_duels.hud_update = function()
 	local players = minetest.get_connected_players()
 	for _, player in ipairs(players) do

init.lua

@@ -10,3 +10,4 @@ dofile(mp .. "/kb.lua")
 dofile(mp .. "/teams.lua")
 dofile(mp .. "/void.lua")
 dofile(mp .. "/hud.lua")
+dofile(mp .. "/messages.lua")

kb.lua

@@ -1,4 +1,5 @@
 minetest.calculate_knockback = function(player, hitter, time_from_last_punch, tool_capabilities, dir, distance, damage)
+    player:set_hp(20)
     if not time_from_last_punch or time_from_last_punch >= 1.5 then
         return 1.5
     elseif time_from_last_punch <= 1 and time_from_last_punch >= 0.5 then

messages.lua

@@ -1 +1,16 @@
+sumo_duels.messages = {
+	"You can join the waiting list for an arena using /join <number from 1 to 3>",
+	"The longer you wait to hit your opponent, the more knockback you do",
+	"Once there are at least 2 people in a waiting list for an arena, the first 2 people who were in the waiting list will be put in a game"
+}
 
+local timer = 0
+minetest.register_globalstep(function(dtime)
+	timer = timer + dtime;
+	if timer >= 5 then
+		-- Send message to all players every 5 seconds
+    	local random = math.random(1, #sumo_duels.messages)
+		minetest.chat_send_all(minetest.colorize("#999997", sumo_duels.messages[random]))
+		timer = 0
+	end
+end)