ok

code/__HELPERS/do_after.dm

@@ -197,7 +197,7 @@
 
 //some additional checks as a callback for for do_afters that want to break on losing health or on the mob taking action
 /mob/proc/break_do_after_checks(list/checked_health, check_clicks)
-	if(check_clicks && next_move > world.time)
+	if(check_clicks && !CheckActionCooldown())
 		return FALSE
 	return TRUE
 

code/_onclick/right_click.dm

@@ -69,7 +69,7 @@
 
 /mob/proc/AltUnarmedAttack(atom/A, proximity_flag)
 	if(ismob(A))
-		changeNext_move(CLICK_CD_MELEE)
+		DelayNextAction(CLICK_CD_MELEE)
 	return FALSE
 
 /mob/proc/AltRangedAttack(atom/A, params)

code/_onclick/right_other_mobs.dm

@@ -11,7 +11,9 @@
 /mob/living/carbon/human/AltRangedAttack(atom/A, params)
 	if(isturf(A) || incapacitated()) // pretty annoying to wave your fist at floors and walls. And useless.
 		return TRUE
-	changeNext_move(CLICK_CD_RANGE)
+	if(!CheckActionCooldown(CLICK_CD_RANGE))
+		return
+	DelayNextAction()
 	var/list/target_viewers = fov_viewers(11, A) //doesn't check for blindness.
 	if(!(src in target_viewers)) //click catcher issuing calls for out of view objects.
 		return TRUE

code/modules/mob/living/living_defense.dm

@@ -215,8 +215,8 @@
 //proc to upgrade a simple pull into a more aggressive grab.
 /mob/living/proc/grippedby(mob/living/carbon/user, instant = FALSE)
 	if(user.grab_state < GRAB_KILL)
-		user.changeNext_move(CLICK_CD_GRABBING)
-		playsound(src.loc, 'sound/weapons/thudswoosh.ogg', 50, 1, -1)
+		user.DelayNextAction(CLICK_CD_GRABBING)
+		playsound(src, 'sound/weapons/thudswoosh.ogg', 50, 1, -1)
 
 		if(user.grab_state) //only the first upgrade is instantaneous
 			var/old_grab_state = user.grab_state