Smart AFK Kick

config/_file_loader.lua

@@ -43,6 +43,7 @@ return {
     'modules.addons.discord-alerts',
     'modules.addons.chat-reply',
     'modules.addons.tree-decon',
+    'modules.addons.afk-kick',
 
     --- Data
     'modules.data.statistics',

config/afk_kick.lua

@@ -0,0 +1,9 @@
+return {
+    admin_as_active = true, --- @setting admin_as_active When true admins will be treated as active regardless of afk time
+    trust_as_active = true, --- @setting trust_as_active When true trusted players (by playtime) will be treated as active regardless of afk time
+    active_role = 'Veteran', --- @setting active_role When not nil a player with this role will be treated as active regardless of afk time
+    afk_time = 3600*10, --- @setting afk_time The time in ticks that must pass for a player to be considered afk
+    kick_time = 3600*30, --- @setting kick_time The time in ticks that must pass without any active players for all players to be kicked
+    trust_time = 3600*60*10, --- @setting trust_time The time in ticks that a player must be online for to count as trusted
+    update_time = 3600*30, --- @setting update_time How often in ticks the script check for active players
+}

modules/addons/afk-kick.lua

@@ -0,0 +1,66 @@
+--- Kicks players when all players on the server are afk
+-- @addon afk-kick
+
+local Event = require 'utils.event' --- @dep utils.event
+local Global = require 'utils.global' --- @dep utils.global
+local config = require 'config.afk_kick' --- @dep config.afk_kick
+local Async = require 'expcore.async' --- @dep expcore.async
+
+--- Optional roles require
+local Roles
+if config.active_role then
+    Roles = require 'expcore.roles'
+end
+
+--- Globals
+local primitives = { last_active = 0 }
+Global.register(primitives, function(tbl)
+    primitives = tbl
+end)
+
+--- Kicks an afk player, used to give to for gui to show
+local kick_player =
+Async.register(function(player)
+    if game.tick - primitives.last_active < config.kick_time then return end -- Safety Catch
+    game.kick_player(player, 'Afk while no active players on the server')
+end)
+
+--- Check for an active player every 5 minutes
+Event.on_nth_tick(config.update_time, function()
+    -- Check for active players
+    for _, player in ipairs(game.connected_players) do
+        if player.afk_time < config.afk_time
+        or config.admin_as_active and config.player.admin
+        or config.trust_as_active and player.online_time > config.trust_time
+        or config.active_role and Roles.player_has_role(player, config.active_role) then
+            -- Active player was found
+            primitives.last_active = game.tick
+            return
+        end
+    end
+
+    -- No active player was found, check if players should be kicked
+    if game.tick - primitives.last_active < config.kick_time then return end
+
+    -- Kick time exceeded, kick all players
+    for _, player in ipairs(game.connected_players) do
+        -- Add a frame to say why the player was kicked
+        local res = player.display_resolution
+        local uis = player.display_scale
+        player.gui.screen.add{
+            type = 'frame',
+            name = 'afk-kick',
+            caption = 'All players were kicked because everyone was afk.',
+        }.location = { x=res.width*(0.5 - 0.11*uis), y=res.height*(0.5 - 0.14*uis) }
+
+        -- Kick the player, some delay needed because network delay
+        Async.wait(10, kick_player, player)
+    end
+end)
+
+--- Remove the screen gui if it is present
+Event.add(defines.events.on_player_joined_game, function(event)
+    local player = game.get_player(event.player_index)
+    local frame = player.gui.screen["afk-kick"]
+    if frame and frame.valid then frame.destroy() end
+end)