running in impractical footwear makes you trip (#10809)

code/modules/clothing/clothing.dm

@@ -668,6 +668,7 @@
 	pickup_sound = 'sound/items/pickup/shoes.ogg'
 
 	var/can_hold_knife
+	var/footstep = 1
 	var/obj/item/holding
 
 	var/shoes_under_pants = 0
@@ -677,6 +678,7 @@
 	var/overshoes = 0
 	species_restricted = list("exclude",BODYTYPE_UNATHI,BODYTYPE_TAJARA,BODYTYPE_VAURCA,BODYTYPE_VAURCA_BREEDER,BODYTYPE_VAURCA_WARFORM)
 	var/silent = 0
+	var/last_trip = 0
 
 /obj/item/clothing/shoes/proc/draw_knife()
 	set name = "Draw Boot Knife"
@@ -752,6 +754,22 @@
 		var/mob/M = src.loc
 		M.update_inv_shoes()
 
+/obj/item/clothing/shoes/proc/trip_up(var/turf/walking, var/running)
+	if(!running)
+		if(footstep >= 2)
+			footstep = 0
+		else
+			footstep++
+	else
+		if(prob(5))
+			if(last_trip <= world.time - 20) //So you don't trip immediately after.
+				last_trip = world.time
+				if(ismob(loc))
+					var/mob/M = loc
+					M.Weaken(3)
+					to_chat(M, SPAN_WARNING("You trip from running in \the [src]!"))
+			return
+
 ///////////////////////////////////////////////////////////////////////
 //Suit
 /obj/item/clothing/suit

code/modules/clothing/shoes/jobs.dm

@@ -28,6 +28,9 @@
 	desc = "Taller synthleather boots with an artificial shine."
 	icon_state = "kneeboots"
 	item_state = "kneeboots"
+	
+/obj/item/clothing/shoes/jackboots/knee/handle_movement(var/turf/walking, var/running)
+	trip_up(walking, running)
 
 /obj/item/clothing/shoes/jackboots/thigh
 	name = "thigh-length black boots"
@@ -35,6 +38,9 @@
 	icon_state = "thighboots"
 	item_state = "thighboots"
 
+/obj/item/clothing/shoes/jackboots/thigh/handle_movement(var/turf/walking, var/running)
+	trip_up(walking, running)
+
 /obj/item/clothing/shoes/jackboots/toeless
 	name = "toe-less black boots"
 	desc = "Modified pair of boots, particularly friendly to those species whose toes hold claws."

code/modules/clothing/shoes/miscellaneous.dm

@@ -81,7 +81,6 @@ obj/item/clothing/shoes/sandal/clogs
 	icon_state = "clown"
 	item_state = "clown_shoes"
 	slowdown = 1
-	var/footstep = 1	//used for squeeks whilst walking
 	species_restricted = null
 
 /obj/item/clothing/shoes/clown_shoes/handle_movement(var/turf/walking, var/running)
@@ -197,6 +196,9 @@ obj/item/clothing/shoes/sandal/clogs
 		M = user
 	return eyestab(M,user)
 
+/obj/item/clothing/shoes/heels/handle_movement(var/turf/walking, var/running)
+	trip_up(walking, running)
+
 /obj/item/clothing/shoes/winter
 	name = "winter boots"
 	desc = "A pair of heavy winter boots made out of animal furs, reaching up to the knee."