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Bubberstation/code/controllers/master.dm
SkyratBot e8bfe6eb68 [MIRROR] [Ready] CDN browser assets! (#312) 
* [Ready] CDN browser assets! (#52681)

Rewrites the asset_cache system to handle sending assets to a CDN via a webroot.

see https://github.com/MrStonedOne/tgstation/blob/asset-cdn/code/modules/asset_cache/readme.md

Fixed a lot of bugs with assets, removed some dead code.

Changes:
    Moved asset cache code to transport datums, the currently loaded one is located at SSassets.transport, asset cache calls made before the config is loaded use the simple browse_rsc transport.
    Added subsystem call for when the config loads or reloads.
    Added a webroot CDN asset transport. assets are saved to a file in a format based on the file's hash (currently md5).
    Assets that don't use get_asset_url or get_url_mappings (such as browser assets referred to by static html files like changelog.html or static css files) can be saved to browse_rsc even when in cdn asset mode by setting legacy to TRUE on the datum returned by register_assets
    Added a system for saving assets on a cdn in a hash based namespace (folder), assets within the same namespace will always be able to refer to each other by relative names. (used to allow cdn'ing font awesome without having to make something that regenerates it's css files.).
    The simple/namespaced asset cache datum helper will handle generating a namespace composed of the combined md5 of everything in the same datum, as well as registering them properly.
    Moved external resource from a snowflake loaded file to a config entry, added it to resources.txt
    To ensure the system breaks in local testing in any situation that wouldn't work in cdn mode, the simple transport will mutate the filenames of non-legacy and non-namespaced assets and return this with get_asset_url.
    Simple transport's passive send of all roundstart assets to all clients is now a config that defaults to off. this is to break race conditions during local testings from devs accidentally relying on this instead of using send() properly.

cl
refactor: Interface assets (js/css/images) can now be managed using an external webserver instead of byond's one at a time file transfer queue.
admin: Adds admin verb toggle-cdn that allows admins to disable the external webserver asset transport and revert to the old system. Useful if the webserver backing this goes down (thanks cloudflare).
config: New config file, resources.txt, (must be loaded by an $include statement from the main config)
server: The external_rsc_urls.txt config has been moved to the main config system.
/cl
Porting notes:

Interface webpages must refer to their assets (css/js/image/etc) by a generated url, or the asset must register itself as a legacy asset. The system is designed to break in localtest (on simple/legacy mode) in most situations that would break in cdn mode.

Requires latest tgui.

The webserver must set the proper CORS headers for font files or font awesome (and other fonts) won't load.

/tg/'s webserver config: https://gist.github.com/MrStonedOne/523388b2f161af832292d98a8aad0eae

* [Ready] CDN browser assets!

Co-authored-by: Kyle Spier-Swenson <kyleshome@gmail.com>
2020-08-12 11:32:37 +01:00

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/**
* StonedMC
*
* Designed to properly split up a given tick among subsystems
* Note: if you read parts of this code and think "why is it doing it that way"
* Odds are, there is a reason
*
**/
//This is the ABSOLUTE ONLY THING that should init globally like this
//2019 update: the failsafe,config and Global controllers also do it
GLOBAL_REAL(Master, /datum/controller/master) = new
//THIS IS THE INIT ORDER
//Master -> SSPreInit -> GLOB -> world -> config -> SSInit -> Failsafe
//GOT IT MEMORIZED?
/datum/controller/master
name = "Master"
// Are we processing (higher values increase the processing delay by n ticks)
var/processing = TRUE
// How many times have we ran
var/iteration = 0
// world.time of last fire, for tracking lag outside of the mc
var/last_run
// List of subsystems to process().
var/list/subsystems
// Vars for keeping track of tick drift.
var/init_timeofday
var/init_time
var/tickdrift = 0
var/sleep_delta = 1
///Only run ticker subsystems for the next n ticks.
var/skip_ticks = 0
var/make_runtime = 0
var/initializations_finished_with_no_players_logged_in //I wonder what this could be?
// The type of the last subsystem to be process()'d.
var/last_type_processed
var/datum/controller/subsystem/queue_head //Start of queue linked list
var/datum/controller/subsystem/queue_tail //End of queue linked list (used for appending to the list)
var/queue_priority_count = 0 //Running total so that we don't have to loop thru the queue each run to split up the tick
var/queue_priority_count_bg = 0 //Same, but for background subsystems
var/map_loading = FALSE //Are we loading in a new map?
var/current_runlevel //for scheduling different subsystems for different stages of the round
var/sleep_offline_after_initializations = TRUE
var/static/restart_clear = 0
var/static/restart_timeout = 0
var/static/restart_count = 0
var/static/random_seed
//current tick limit, assigned before running a subsystem.
//used by CHECK_TICK as well so that the procs subsystems call can obey that SS's tick limits
var/static/current_ticklimit = TICK_LIMIT_RUNNING
/datum/controller/master/New()
if(!config)
config = new
// Highlander-style: there can only be one! Kill off the old and replace it with the new.
if(!random_seed)
#ifdef UNIT_TESTS
random_seed = 29051994
#else
random_seed = rand(1, 1e9)
#endif
rand_seed(random_seed)
var/list/_subsystems = list()
subsystems = _subsystems
if (Master != src)
if (istype(Master))
Recover()
qdel(Master)
else
var/list/subsytem_types = subtypesof(/datum/controller/subsystem)
sortTim(subsytem_types, /proc/cmp_subsystem_init)
for(var/I in subsytem_types)
_subsystems += new I
Master = src
if(!GLOB)
new /datum/controller/global_vars
/datum/controller/master/Destroy()
..()
// Tell qdel() to Del() this object.
return QDEL_HINT_HARDDEL_NOW
/datum/controller/master/Shutdown()
processing = FALSE
sortTim(subsystems, /proc/cmp_subsystem_init)
reverseRange(subsystems)
for(var/datum/controller/subsystem/ss in subsystems)
log_world("Shutting down [ss.name] subsystem...")
ss.Shutdown()
log_world("Shutdown complete")
// Returns 1 if we created a new mc, 0 if we couldn't due to a recent restart,
// -1 if we encountered a runtime trying to recreate it
/proc/Recreate_MC()
. = -1 //so if we runtime, things know we failed
if (world.time < Master.restart_timeout)
return 0
if (world.time < Master.restart_clear)
Master.restart_count *= 0.5
var/delay = 50 * ++Master.restart_count
Master.restart_timeout = world.time + delay
Master.restart_clear = world.time + (delay * 2)
Master.processing = FALSE //stop ticking this one
try
new/datum/controller/master()
catch
return -1
return 1
/datum/controller/master/Recover()
var/msg = "## DEBUG: [time2text(world.timeofday)] MC restarted. Reports:\n"
for (var/varname in Master.vars)
switch (varname)
if("name", "tag", "bestF", "type", "parent_type", "vars", "statclick") // Built-in junk.
continue
else
var/varval = Master.vars[varname]
if (istype(varval, /datum)) // Check if it has a type var.
var/datum/D = varval
msg += "\t [varname] = [D]([D.type])\n"
else
msg += "\t [varname] = [varval]\n"
log_world(msg)
var/datum/controller/subsystem/BadBoy = Master.last_type_processed
var/FireHim = FALSE
if(istype(BadBoy))
msg = null
LAZYINITLIST(BadBoy.failure_strikes)
switch(++BadBoy.failure_strikes[BadBoy.type])
if(2)
msg = "The [BadBoy.name] subsystem was the last to fire for 2 controller restarts. It will be recovered now and disabled if it happens again."
FireHim = TRUE
if(3)
msg = "The [BadBoy.name] subsystem seems to be destabilizing the MC and will be offlined."
BadBoy.flags |= SS_NO_FIRE
if(msg)
to_chat(GLOB.admins, "<span class='boldannounce'>[msg]</span>")
log_world(msg)
if (istype(Master.subsystems))
if(FireHim)
Master.subsystems += new BadBoy.type //NEW_SS_GLOBAL will remove the old one
subsystems = Master.subsystems
current_runlevel = Master.current_runlevel
StartProcessing(10)
else
to_chat(world, "<span class='boldannounce'>The Master Controller is having some issues, we will need to re-initialize EVERYTHING</span>")
Initialize(20, TRUE)
// Please don't stuff random bullshit here,
// Make a subsystem, give it the SS_NO_FIRE flag, and do your work in it's Initialize()
/datum/controller/master/Initialize(delay, init_sss, tgs_prime)
set waitfor = 0
if(delay)
sleep(delay)
if(init_sss)
init_subtypes(/datum/controller/subsystem, subsystems)
to_chat(world, "<span class='boldannounce'>Initializing subsystems...</span>")
// Sort subsystems by init_order, so they initialize in the correct order.
sortTim(subsystems, /proc/cmp_subsystem_init)
var/start_timeofday = REALTIMEOFDAY
// Initialize subsystems.
current_ticklimit = CONFIG_GET(number/tick_limit_mc_init)
for (var/datum/controller/subsystem/SS in subsystems)
if (SS.flags & SS_NO_INIT)
continue
SS.Initialize(REALTIMEOFDAY)
CHECK_TICK
current_ticklimit = TICK_LIMIT_RUNNING
var/time = (REALTIMEOFDAY - start_timeofday) / 10
var/msg = "Initializations complete within [time] second[time == 1 ? "" : "s"]!"
to_chat(world, "<span class='boldannounce'>[msg]</span>")
log_world(msg)
if (!current_runlevel)
SetRunLevel(1)
// Sort subsystems by display setting for easy access.
sortTim(subsystems, /proc/cmp_subsystem_display)
// Set world options.
world.change_fps(CONFIG_GET(number/fps))
var/initialized_tod = REALTIMEOFDAY
if(tgs_prime)
world.TgsInitializationComplete()
if(sleep_offline_after_initializations)
world.sleep_offline = TRUE
sleep(1)
if(sleep_offline_after_initializations && CONFIG_GET(flag/resume_after_initializations))
world.sleep_offline = FALSE
initializations_finished_with_no_players_logged_in = initialized_tod < REALTIMEOFDAY - 10
// Loop.
Master.StartProcessing(0)
/datum/controller/master/proc/SetRunLevel(new_runlevel)
var/old_runlevel = current_runlevel
if(isnull(old_runlevel))
old_runlevel = "NULL"
testing("MC: Runlevel changed from [old_runlevel] to [new_runlevel]")
current_runlevel = log(2, new_runlevel) + 1
if(current_runlevel < 1)
CRASH("Attempted to set invalid runlevel: [new_runlevel]")
// Starts the mc, and sticks around to restart it if the loop ever ends.
/datum/controller/master/proc/StartProcessing(delay)
set waitfor = 0
if(delay)
sleep(delay)
testing("Master starting processing")
var/rtn = Loop()
if (rtn > 0 || processing < 0)
return //this was suppose to happen.
//loop ended, restart the mc
log_game("MC crashed or runtimed, restarting")
message_admins("MC crashed or runtimed, restarting")
var/rtn2 = Recreate_MC()
if (rtn2 <= 0)
log_game("Failed to recreate MC (Error code: [rtn2]), it's up to the failsafe now")
message_admins("Failed to recreate MC (Error code: [rtn2]), it's up to the failsafe now")
Failsafe.defcon = 2
// Main loop.
/datum/controller/master/proc/Loop()
. = -1
//Prep the loop (most of this is because we want MC restarts to reset as much state as we can, and because
// local vars rock
//all this shit is here so that flag edits can be refreshed by restarting the MC. (and for speed)
var/list/tickersubsystems = list()
var/list/runlevel_sorted_subsystems = list(list()) //ensure we always have at least one runlevel
var/timer = world.time
for (var/thing in subsystems)
var/datum/controller/subsystem/SS = thing
if (SS.flags & SS_NO_FIRE)
continue
SS.queued_time = 0
SS.queue_next = null
SS.queue_prev = null
SS.state = SS_IDLE
if (SS.flags & SS_TICKER)
tickersubsystems += SS
timer += world.tick_lag * rand(1, 5)
SS.next_fire = timer
continue
var/ss_runlevels = SS.runlevels
var/added_to_any = FALSE
for(var/I in 1 to GLOB.bitflags.len)
if(ss_runlevels & GLOB.bitflags[I])
while(runlevel_sorted_subsystems.len < I)
runlevel_sorted_subsystems += list(list())
runlevel_sorted_subsystems[I] += SS
added_to_any = TRUE
if(!added_to_any)
WARNING("[SS.name] subsystem is not SS_NO_FIRE but also does not have any runlevels set!")
queue_head = null
queue_tail = null
//these sort by lower priorities first to reduce the number of loops needed to add subsequent SS's to the queue
//(higher subsystems will be sooner in the queue, adding them later in the loop means we don't have to loop thru them next queue add)
sortTim(tickersubsystems, /proc/cmp_subsystem_priority)
for(var/I in runlevel_sorted_subsystems)
sortTim(runlevel_sorted_subsystems, /proc/cmp_subsystem_priority)
I += tickersubsystems
var/cached_runlevel = current_runlevel
var/list/current_runlevel_subsystems = runlevel_sorted_subsystems[cached_runlevel]
init_timeofday = REALTIMEOFDAY
init_time = world.time
iteration = 1
var/error_level = 0
var/sleep_delta = 1
var/list/subsystems_to_check
//the actual loop.
while (1)
tickdrift = max(0, MC_AVERAGE_FAST(tickdrift, (((REALTIMEOFDAY - init_timeofday) - (world.time - init_time)) / world.tick_lag)))
var/starting_tick_usage = TICK_USAGE
if (processing <= 0)
current_ticklimit = TICK_LIMIT_RUNNING
sleep(10)
continue
//Anti-tick-contention heuristics:
//if there are mutiple sleeping procs running before us hogging the cpu, we have to run later.
// (because sleeps are processed in the order received, longer sleeps are more likely to run first)
if (starting_tick_usage > TICK_LIMIT_MC) //if there isn't enough time to bother doing anything this tick, sleep a bit.
sleep_delta *= 2
current_ticklimit = TICK_LIMIT_RUNNING * 0.5
sleep(world.tick_lag * (processing * sleep_delta))
continue
//Byond resumed us late. assume it might have to do the same next tick
if (last_run + CEILING(world.tick_lag * (processing * sleep_delta), world.tick_lag) < world.time)
sleep_delta += 1
sleep_delta = MC_AVERAGE_FAST(sleep_delta, 1) //decay sleep_delta
if (starting_tick_usage > (TICK_LIMIT_MC*0.75)) //we ran 3/4 of the way into the tick
sleep_delta += 1
//debug
if (make_runtime)
var/datum/controller/subsystem/SS
SS.can_fire = 0
if (!Failsafe || (Failsafe.processing_interval > 0 && (Failsafe.lasttick+(Failsafe.processing_interval*5)) < world.time))
new/datum/controller/failsafe() // (re)Start the failsafe.
//now do the actual stuff
if (!skip_ticks)
var/checking_runlevel = current_runlevel
if(cached_runlevel != checking_runlevel)
//resechedule subsystems
cached_runlevel = checking_runlevel
current_runlevel_subsystems = runlevel_sorted_subsystems[cached_runlevel]
var/stagger = world.time
for(var/I in current_runlevel_subsystems)
var/datum/controller/subsystem/SS = I
if(SS.next_fire <= world.time)
stagger += world.tick_lag * rand(1, 5)
SS.next_fire = stagger
subsystems_to_check = current_runlevel_subsystems
else
subsystems_to_check = tickersubsystems
if (CheckQueue(subsystems_to_check) <= 0)
if (!SoftReset(tickersubsystems, runlevel_sorted_subsystems))
log_world("MC: SoftReset() failed, crashing")
return
if (!error_level)
iteration++
error_level++
current_ticklimit = TICK_LIMIT_RUNNING
sleep(10)
continue
if (queue_head)
if (RunQueue() <= 0)
if (!SoftReset(tickersubsystems, runlevel_sorted_subsystems))
log_world("MC: SoftReset() failed, crashing")
return
if (!error_level)
iteration++
error_level++
current_ticklimit = TICK_LIMIT_RUNNING
sleep(10)
continue
error_level--
if (!queue_head) //reset the counts if the queue is empty, in the off chance they get out of sync
queue_priority_count = 0
queue_priority_count_bg = 0
iteration++
last_run = world.time
if (skip_ticks)
skip_ticks--
src.sleep_delta = MC_AVERAGE_FAST(src.sleep_delta, sleep_delta)
current_ticklimit = TICK_LIMIT_RUNNING
if (processing * sleep_delta <= world.tick_lag)
current_ticklimit -= (TICK_LIMIT_RUNNING * 0.25) //reserve the tail 1/4 of the next tick for the mc if we plan on running next tick
sleep(world.tick_lag * (processing * sleep_delta))
// This is what decides if something should run.
/datum/controller/master/proc/CheckQueue(list/subsystemstocheck)
. = 0 //so the mc knows if we runtimed
//we create our variables outside of the loops to save on overhead
var/datum/controller/subsystem/SS
var/SS_flags
for (var/thing in subsystemstocheck)
if (!thing)
subsystemstocheck -= thing
SS = thing
if (SS.state != SS_IDLE)
continue
if (SS.can_fire <= 0)
continue
if (SS.next_fire > world.time)
continue
SS_flags = SS.flags
if (SS_flags & SS_NO_FIRE)
subsystemstocheck -= SS
continue
if ((SS_flags & (SS_TICKER|SS_KEEP_TIMING)) == SS_KEEP_TIMING && SS.last_fire + (SS.wait * 0.75) > world.time)
continue
SS.enqueue()
. = 1
// Run thru the queue of subsystems to run, running them while balancing out their allocated tick precentage
/datum/controller/master/proc/RunQueue()
. = 0
var/datum/controller/subsystem/queue_node
var/queue_node_flags
var/queue_node_priority
var/queue_node_paused
var/current_tick_budget
var/tick_precentage
var/tick_remaining
var/ran = TRUE //this is right
var/ran_non_ticker = FALSE
var/bg_calc //have we swtiched current_tick_budget to background mode yet?
var/tick_usage
//keep running while we have stuff to run and we haven't gone over a tick
// this is so subsystems paused eariler can use tick time that later subsystems never used
while (ran && queue_head && TICK_USAGE < TICK_LIMIT_MC)
ran = FALSE
bg_calc = FALSE
current_tick_budget = queue_priority_count
queue_node = queue_head
while (queue_node)
if (ran && TICK_USAGE > TICK_LIMIT_RUNNING)
break
queue_node_flags = queue_node.flags
queue_node_priority = queue_node.queued_priority
if (!(queue_node_flags & SS_TICKER) && skip_ticks)
queue_node = queue_node.queue_next
continue
//super special case, subsystems where we can't make them pause mid way through
//if we can't run them this tick (without going over a tick)
//we bump up their priority and attempt to run them next tick
//(unless we haven't even ran anything this tick, since its unlikely they will ever be able run
// in those cases, so we just let them run)
if (queue_node_flags & SS_NO_TICK_CHECK)
if (queue_node.tick_usage > TICK_LIMIT_RUNNING - TICK_USAGE && ran_non_ticker)
if (!(queue_node_flags & SS_BACKGROUND))
queue_node.queued_priority += queue_priority_count * 0.1
queue_priority_count -= queue_node_priority
queue_priority_count += queue_node.queued_priority
current_tick_budget -= queue_node_priority
queue_node = queue_node.queue_next
continue
if (!bg_calc && (queue_node_flags & SS_BACKGROUND))
current_tick_budget = queue_priority_count_bg
bg_calc = TRUE
tick_remaining = TICK_LIMIT_RUNNING - TICK_USAGE
if (current_tick_budget > 0 && queue_node_priority > 0)
tick_precentage = tick_remaining / (current_tick_budget / queue_node_priority)
else
tick_precentage = tick_remaining
tick_precentage = max(tick_precentage*0.5, tick_precentage-queue_node.tick_overrun)
current_ticklimit = round(TICK_USAGE + tick_precentage)
if (!(queue_node_flags & SS_TICKER))
ran_non_ticker = TRUE
ran = TRUE
queue_node_paused = (queue_node.state == SS_PAUSED || queue_node.state == SS_PAUSING)
last_type_processed = queue_node
queue_node.state = SS_RUNNING
tick_usage = TICK_USAGE
var/state = queue_node.ignite(queue_node_paused)
tick_usage = TICK_USAGE - tick_usage
if (state == SS_RUNNING)
state = SS_IDLE
current_tick_budget -= queue_node_priority
if (tick_usage < 0)
tick_usage = 0
queue_node.tick_overrun = max(0, MC_AVG_FAST_UP_SLOW_DOWN(queue_node.tick_overrun, tick_usage-tick_precentage))
queue_node.state = state
if (state == SS_PAUSED)
queue_node.paused_ticks++
queue_node.paused_tick_usage += tick_usage
queue_node = queue_node.queue_next
continue
queue_node.ticks = MC_AVERAGE(queue_node.ticks, queue_node.paused_ticks)
tick_usage += queue_node.paused_tick_usage
queue_node.tick_usage = MC_AVERAGE_FAST(queue_node.tick_usage, tick_usage)
queue_node.cost = MC_AVERAGE_FAST(queue_node.cost, TICK_DELTA_TO_MS(tick_usage))
queue_node.paused_ticks = 0
queue_node.paused_tick_usage = 0
if (bg_calc) //update our running total
queue_priority_count_bg -= queue_node_priority
else
queue_priority_count -= queue_node_priority
queue_node.last_fire = world.time
queue_node.times_fired++
if (queue_node_flags & SS_TICKER)
queue_node.next_fire = world.time + (world.tick_lag * queue_node.wait)
else if (queue_node_flags & SS_POST_FIRE_TIMING)
queue_node.next_fire = world.time + queue_node.wait + (world.tick_lag * (queue_node.tick_overrun/100))
else if (queue_node_flags & SS_KEEP_TIMING)
queue_node.next_fire += queue_node.wait
else
queue_node.next_fire = queue_node.queued_time + queue_node.wait + (world.tick_lag * (queue_node.tick_overrun/100))
queue_node.queued_time = 0
//remove from queue
queue_node.dequeue()
queue_node = queue_node.queue_next
. = 1
//resets the queue, and all subsystems, while filtering out the subsystem lists
// called if any mc's queue procs runtime or exit improperly.
/datum/controller/master/proc/SoftReset(list/ticker_SS, list/runlevel_SS)
. = 0
log_world("MC: SoftReset called, resetting MC queue state.")
if (!istype(subsystems) || !istype(ticker_SS) || !istype(runlevel_SS))
log_world("MC: SoftReset: Bad list contents: '[subsystems]' '[ticker_SS]' '[runlevel_SS]'")
return
var/subsystemstocheck = subsystems + ticker_SS
for(var/I in runlevel_SS)
subsystemstocheck |= I
for (var/thing in subsystemstocheck)
var/datum/controller/subsystem/SS = thing
if (!SS || !istype(SS))
//list(SS) is so if a list makes it in the subsystem list, we remove the list, not the contents
subsystems -= list(SS)
ticker_SS -= list(SS)
for(var/I in runlevel_SS)
I -= list(SS)
log_world("MC: SoftReset: Found bad entry in subsystem list, '[SS]'")
continue
if (SS.queue_next && !istype(SS.queue_next))
log_world("MC: SoftReset: Found bad data in subsystem queue, queue_next = '[SS.queue_next]'")
SS.queue_next = null
if (SS.queue_prev && !istype(SS.queue_prev))
log_world("MC: SoftReset: Found bad data in subsystem queue, queue_prev = '[SS.queue_prev]'")
SS.queue_prev = null
SS.queued_priority = 0
SS.queued_time = 0
SS.state = SS_IDLE
if (queue_head && !istype(queue_head))
log_world("MC: SoftReset: Found bad data in subsystem queue, queue_head = '[queue_head]'")
queue_head = null
if (queue_tail && !istype(queue_tail))
log_world("MC: SoftReset: Found bad data in subsystem queue, queue_tail = '[queue_tail]'")
queue_tail = null
queue_priority_count = 0
queue_priority_count_bg = 0
log_world("MC: SoftReset: Finished.")
. = 1
/// Warns us that the end of tick byond map_update will be laggier then normal, so that we can just skip running subsystems this tick.
/datum/controller/master/proc/laggy_byond_map_update_incoming()
if (!skip_ticks)
skip_ticks = 1
/datum/controller/master/stat_entry()
if(!statclick)
statclick = new/obj/effect/statclick/debug(null, "Initializing...", src)
stat("Byond:", "(FPS:[world.fps]) (TickCount:[world.time/world.tick_lag]) (TickDrift:[round(Master.tickdrift,1)]([round((Master.tickdrift/(world.time/world.tick_lag))*100,0.1)]%)) (Internal Tick Usage: [round(MAPTICK_LAST_INTERNAL_TICK_USAGE,0.1)]%)")
stat("Master Controller:", statclick.update("(TickRate:[Master.processing]) (Iteration:[Master.iteration]) (TickLimit: [round(Master.current_ticklimit, 0.1)])"))
/datum/controller/master/StartLoadingMap()
//disallow more than one map to load at once, multithreading it will just cause race conditions
while(map_loading)
stoplag()
for(var/S in subsystems)
var/datum/controller/subsystem/SS = S
SS.StartLoadingMap()
map_loading = TRUE
/datum/controller/master/StopLoadingMap(bounds = null)
map_loading = FALSE
for(var/S in subsystems)
var/datum/controller/subsystem/SS = S
SS.StopLoadingMap()
/datum/controller/master/proc/UpdateTickRate()
if (!processing)
return
var/client_count = length(GLOB.clients)
if (client_count < CONFIG_GET(number/mc_tick_rate/disable_high_pop_mc_mode_amount))
processing = CONFIG_GET(number/mc_tick_rate/base_mc_tick_rate)
else if (client_count > CONFIG_GET(number/mc_tick_rate/high_pop_mc_mode_amount))
processing = CONFIG_GET(number/mc_tick_rate/high_pop_mc_tick_rate)
/datum/controller/master/proc/OnConfigLoad()
for (var/thing in subsystems)
var/datum/controller/subsystem/SS = thing
SS.OnConfigLoad()
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