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Alexis 21b4095dfd [MDB IGNORE] [IDB IGNORE] Upstream Sync - 04/17/2026 (#5453)
Upstream 04/17/2026

fixes https://github.com/Bubberstation/Bubberstation/issues/5549

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2026-05-16 00:56:00 +02:00

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//Used for active reactions in reagents/equilibrium datums
PROCESSING_SUBSYSTEM_DEF(reagents)
name = "Reagents"
priority = FIRE_PRIORITY_REAGENTS
wait = 0.25 SECONDS //You might think that rate_up_lim has to be set to half, but since everything is normalised around seconds_per_tick, it automatically adjusts it to be per second. Magic!
ss_flags = SS_KEEP_TIMING
runlevels = RUNLEVEL_GAME | RUNLEVEL_POSTGAME
init_stage = INITSTAGE_EARLY
///What time was it when we last ticked
var/previous_world_time = 0
/datum/controller/subsystem/processing/reagents/Initialize()
//So our first step isn't insane
previous_world_time = world.time
//Build GLOB lists - see holder.dm
build_chemical_reactions_lists()
// SKYRAT EDIT ADDITION START
if(CONFIG_GET(flag/disable_erp_preferences))
for(var/reaction_path in GLOB.chemical_reactions_list)
var/datum/chemical_reaction/reaction_datum = GLOB.chemical_reactions_list[reaction_path]
if(!reaction_datum.erp_reaction)
continue
GLOB.chemical_reactions_list -= reaction_path
for(var/reaction in reaction_datum.required_reagents)
var/list/reaction_list = GLOB.chemical_reactions_list_reactant_index[reaction]
if(reaction_list)
reaction_list -= reaction_datum
// SKYRAT EDIT ADDITION END
return SS_INIT_SUCCESS
/datum/controller/subsystem/processing/reagents/fire(resumed = FALSE)
if (!resumed)
currentrun = processing.Copy()
//cache for sanic speed (lists are references anyways)
var/list/current_run = currentrun
//Attempt to realtime reactions in a way that doesn't make them overtly dangerous
var/delta_realtime = (world.time - previous_world_time)/10 //normalise to s from ds
previous_world_time = world.time
while(current_run.len)
var/datum/thing = current_run[current_run.len]
current_run.len--
if(QDELETED(thing))
stack_trace("Found qdeleted thing in [type], in the current_run list.")
processing -= thing
else if(thing.process(delta_realtime) == PROCESS_KILL) //we are realtime
// fully stop so that a future START_PROCESSING will work
STOP_PROCESSING(src, thing)
if (MC_TICK_CHECK)
return