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>

code/game/turfs/open.dm

@@ -260,7 +260,7 @@
 				return FALSE
 			if(ishuman(C) && !(lube & SLIP_WHEN_JOGGING))
 				var/mob/living/carbon/human/H = C
-				if(!H.sprinting && H.getStaminaLoss() <= 20)
+				if(!(H.combat_flags & COMBAT_FLAG_SPRINT_ACTIVE) && H.getStaminaLoss() <= 20)
 					return FALSE
 	if(!(lube&SLIDE_ICE))
 		to_chat(C, "<span class='notice'>You slipped[ O ? " on the [O.name]" : ""]!</span>")