Ports RIG footstep sounds from Hestia. (#13387)

Co-authored-by: Matt Atlas <liermattia@gmail.com>

code/modules/clothing/clothing.dm

@@ -802,6 +802,8 @@
 	var/silent = 0
 	var/last_trip = 0
 
+	var/footstep_sound_override
+
 /obj/item/clothing/shoes/proc/draw_knife()
 	set name = "Draw Boot Knife"
 	set desc = "Pull out your boot knife."
@@ -910,6 +912,18 @@
 	. = ..()
 	track_footprint = 0
 
+/obj/item/clothing/shoes/proc/do_special_footsteps(var/running)
+	if(!footstep_sound_override)
+		return FALSE
+	if(ishuman(loc))
+		var/mob/living/carbon/human/wearer = loc
+		if(running)
+			playsound(wearer, footstep_sound_override, 70, 1, required_asfx_toggles = ASFX_FOOTSTEPS)
+		else
+			footstep++
+			if (footstep % 2)
+				playsound(wearer, footstep_sound_override, 40, 1, required_asfx_toggles = ASFX_FOOTSTEPS)
+	return TRUE
 ///////////////////////////////////////////////////////////////////////
 //Suit
 /obj/item/clothing/suit

code/modules/clothing/spacesuits/rig/rig_pieces.dm

@@ -30,6 +30,7 @@
 	species_restricted = null
 	gender = PLURAL
 	icon_base = null
+	footstep_sound_override = 'sound/machines/rig/rigstep.ogg'
 
 /obj/item/clothing/suit/space/rig
 	name = "chestpiece"

code/modules/mob/living/carbon/human/human_movement.dm

@@ -146,6 +146,10 @@
 			return
 		last_x = x
 		last_y = y
+		if(shoes)
+			var/obj/item/clothing/shoes/S = shoes
+			if(S.do_special_footsteps(m_intent))
+				return
 		if (m_intent == M_RUN)
 			playsound(src, is_noisy ? footsound : species.footsound, 70, 1, required_asfx_toggles = ASFX_FOOTSTEPS)
 		else