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a7fcb65332
* Adds moveloop bucketing, uses queues for the singulo rather then sleeps * Update singularity.dm Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com> Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>
108 lines
4.2 KiB
Plaintext
108 lines
4.2 KiB
Plaintext
SUBSYSTEM_DEF(movement)
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name = "Movement Loops"
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flags = SS_NO_INIT|SS_BACKGROUND|SS_TICKER
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wait = 1 //Fire each tick
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/*
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A breif aside about the bucketing system here
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The goal is to allow for higher loads of semi long delays while reducing cpu usage
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Bucket insertion and management are much less complex then what you might see in SStimer
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This is intentional, as we loop our delays much more often then that ss is designed for
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We also have much shorter term timers, so we need to worry about redundant buckets much less
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*/
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///Assoc list of "target time" -> list(things to process). Used for quick lookup
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var/list/buckets = list()
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///Sorted list of list(target time, bucket to process)
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var/list/sorted_buckets = list()
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///The time we started our last fire at
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var/canonical_time = 0
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///The visual delay of the subsystem
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var/visual_delay = 1
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/datum/controller/subsystem/movement/stat_entry(msg)
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var/total_len = 0
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for(var/list/bucket as anything in sorted_buckets)
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total_len += length(bucket[MOVEMENT_BUCKET_LIST])
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msg = "B:[length(sorted_buckets)] E:[total_len]"
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return ..()
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/datum/controller/subsystem/movement/Recover()
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//Get ready this is gonna be horrible
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//We need to do this to support subtypes by the by
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var/list/typenames = return_typenames(src.type)
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var/our_name = typenames[length(typenames)] //Get the last name in the list, IE the subsystem identifier
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var/datum/controller/subsystem/movement/old_version = global.vars["SS[our_name]"]
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buckets = old_version.buckets
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sorted_buckets = old_version.sorted_buckets
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/datum/controller/subsystem/movement/fire(resumed)
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if(!resumed)
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canonical_time = world.time
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for(var/list/bucket_info as anything in sorted_buckets)
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var/time = bucket_info[MOVEMENT_BUCKET_TIME]
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if(time > canonical_time || MC_TICK_CHECK)
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return
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pour_bucket(bucket_info)
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/// Processes a bucket of movement loops (This should only ever be called by fire(), it exists to prevent runtime fuckery)
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/datum/controller/subsystem/movement/proc/pour_bucket(list/bucket_info)
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var/list/processing = bucket_info[MOVEMENT_BUCKET_LIST] // Cache for lookup speed
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while(processing.len)
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var/datum/move_loop/loop = processing[processing.len]
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processing.len--
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loop.process() //This shouldn't get nulls, if it does, runtime
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if(!QDELETED(loop)) //Re-Insert the loop
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loop.timer = world.time + loop.delay
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queue_loop(loop)
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if (MC_TICK_CHECK)
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break
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if(length(processing))
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return // Still work to be done
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var/bucket_time = bucket_info[MOVEMENT_BUCKET_TIME]
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smash_bucket(1, bucket_time) // We assume we're the first bucket in the queue right now
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visual_delay = MC_AVERAGE_FAST(visual_delay, max((world.time - canonical_time) / wait, 1))
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/// Removes a bucket from our system. You only need to pass in the time, but if you pass in the index of the list you save us some work
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/datum/controller/subsystem/movement/proc/smash_bucket(index, bucket_time)
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if(!index)
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for(var/i in 1 to length(sorted_buckets))
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var/list/bucket_info = sorted_buckets[i]
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if(bucket_info[MOVEMENT_BUCKET_TIME] != bucket_time)
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continue
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index = i
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break
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sorted_buckets.Cut(index, index + 1) //Removes just this list
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//Removes the assoc lookup too
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buckets -= "[bucket_time]"
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/datum/controller/subsystem/movement/proc/queue_loop(datum/move_loop/loop)
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var/target_time = loop.timer
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var/string_time = "[target_time]"
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if(buckets[string_time])
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buckets[string_time] += loop
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else
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buckets[string_time] = list(loop)
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// This makes buckets and sorted buckets point to the same place, allowing for quicker inserts
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var/list/new_bucket = list(list(target_time, buckets[string_time]))
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BINARY_INSERT_DEFINE(new_bucket, sorted_buckets, SORT_VAR_NO_TYPE, list(target_time), SORT_FIRST_INDEX, COMPARE_KEY)
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/datum/controller/subsystem/movement/proc/dequeue_loop(datum/move_loop/loop)
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var/list/our_entries = buckets["[loop.timer]"]
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our_entries -= loop
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if(!our_entries)
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smash_bucket(bucket_time = loop.timer) // We can't pass an index in for context because we don't know our position
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/datum/controller/subsystem/movement/proc/add_loop(datum/move_loop/add)
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add.start_loop()
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if(QDELETED(add))
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return
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queue_loop(add)
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/datum/controller/subsystem/movement/proc/remove_loop(datum/move_loop/remove)
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dequeue_loop(remove)
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remove.stop_loop()
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