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fulpstation/code/controllers/subsystem/time_track.dm
Rob Bailey 533201a9f1 Smooth Movement: Resurrection: Resurgence: Revengeance 4: The Return of Smooth Movement: Smooth Edition Director's Cut (#52515)
Automatic glide size adjustment based on move delay.
Essentially a port of https://github.com/yogstation13/Yogstation/pull/8132 but that was mostly my code with some fixes.

Why again? well it turns out the recent byond fixes to glide size actually worked and solved the issues that were unsolvable.
https://file.house/0B3u.mp4
Glide size no longer incorrectly scales at fps, so it works as intended at any framerate with the only stuttering being normal byond suck stuttering.
2020-08-27 18:34:11 -07:00

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SUBSYSTEM_DEF(time_track)
name = "Time Tracking"
wait = 100
flags = SS_NO_INIT|SS_NO_TICK_CHECK
runlevels = RUNLEVEL_LOBBY | RUNLEVELS_DEFAULT
var/time_dilation_current = 0
var/time_dilation_avg_fast = 0
var/time_dilation_avg = 0
var/time_dilation_avg_slow = 0
var/first_run = TRUE
var/last_tick_realtime = 0
var/last_tick_byond_time = 0
var/last_tick_tickcount = 0
/datum/controller/subsystem/time_track/fire()
var/current_realtime = REALTIMEOFDAY
var/current_byondtime = world.time
var/current_tickcount = world.time/world.tick_lag
if (!first_run)
var/tick_drift = max(0, (((current_realtime - last_tick_realtime) - (current_byondtime - last_tick_byond_time)) / world.tick_lag))
time_dilation_current = tick_drift / (current_tickcount - last_tick_tickcount) * 100
time_dilation_avg_fast = MC_AVERAGE_FAST(time_dilation_avg_fast, time_dilation_current)
time_dilation_avg = MC_AVERAGE(time_dilation_avg, time_dilation_avg_fast)
time_dilation_avg_slow = MC_AVERAGE_SLOW(time_dilation_avg_slow, time_dilation_avg)
GLOB.glide_size_multiplier = (current_byondtime - last_tick_byond_time) / (current_realtime - last_tick_realtime)
else
first_run = FALSE
last_tick_realtime = current_realtime
last_tick_byond_time = current_byondtime
last_tick_tickcount = current_tickcount
SSblackbox.record_feedback("associative", "time_dilation_current", 1, list("[SQLtime()]" = list("current" = "[time_dilation_current]", "avg_fast" = "[time_dilation_avg_fast]", "avg" = "[time_dilation_avg]", "avg_slow" = "[time_dilation_avg_slow]")))