relatively small 71 file 700 lines changed refactor/rework to combat mode/sprint and some miscellaneous things that totally aren't important (#11376)

* combat refactoring

* i hate this

* mobility flags part 2 time xd

* whew

* stuff

* a

* ok

* changes

* Wew

* k

* add flags

* FUCKYOUVORE

* fixes

* typo

* no using this in hard stamcrit

* update icon

* woopsy

* . = ..()

* sigh

* Update living_combat.dm

* wew

* wups

* fix

* i hate you

* wrong button

* k

* ok

* bet

* k

* Update code/modules/mob/living/living_combat.dm

Co-Authored-By: Ghom <42542238+Ghommie@users.noreply.github.com>

* Update code/modules/mob/living/living_combat.dm

Co-Authored-By: Ghom <42542238+Ghommie@users.noreply.github.com>

* Update code/modules/mob/living/living_combat.dm

Co-Authored-By: Ghom <42542238+Ghommie@users.noreply.github.com>

* early returns

* skreee

* agony

* k

* k

* k

* k

* wack

* compile

* wack

Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>

modular_citadel/code/modules/mob/living/carbon/damage_procs.dm

@@ -15,24 +15,6 @@
 	if(!forced && (status_flags & GODMODE))
 		return FALSE
 	apply_damage(amount > 0 ? amount*incomingstammult : amount, STAMINA, affected_zone)
-	if(recoveringstam && amount > 20)
+	if((combat_flags & COMBAT_FLAG_HARD_STAMCRIT) && amount > 20)
 		incomingstammult = max(0.01, incomingstammult/(amount*0.05))
 	return amount
-
-/mob/living/carbon/doSprintLossTiles(tiles)
-	doSprintBufferRegen(FALSE)		//first regen.
-	if(sprint_buffer)
-		var/use = min(tiles, sprint_buffer)
-		sprint_buffer -= use
-		tiles -= use
-	update_hud_sprint_bar()
-	if(!tiles)		//we had enough, we're done!
-		return
-	adjustStaminaLoss(tiles * sprint_stamina_cost)		//use stamina to cover deficit.
-
-/mob/living/carbon/proc/doSprintBufferRegen(updating = TRUE)
-	var/diff = world.time - sprint_buffer_regen_last
-	sprint_buffer_regen_last = world.time
-	sprint_buffer = min(sprint_buffer_max, sprint_buffer + sprint_buffer_regen_ds * diff)
-	if(updating)
-		update_hud_sprint_bar()