Improves shard-stepping

code/game/objects/items/weapons/material/shards.dm

@@ -61,8 +61,14 @@
 	return ..()
 
 /obj/item/weapon/material/shard/Crossed(AM as mob|obj)
+	..()
+	
 	if(ismob(AM))
 		var/mob/M = AM
+		
+		if(M.buckled) //wheelchairs, office chairs, rollerbeds
+			return
+		
 		M << "<span class='danger'>You step on \the [src]!</span>"
 		playsound(src.loc, 'sound/effects/glass_step.ogg', 50, 1) // not sure how to handle metal shards with sounds
 		if(ishuman(M))
@@ -71,18 +77,24 @@
 			if(H.species.siemens_coefficient<0.5) //Thick skin.
 				return
 
-			if( !H.shoes && ( !H.wear_suit || !(H.wear_suit.body_parts_covered & FEET) ) )
-				var/obj/item/organ/external/affecting = H.get_organ(pick("l_foot", "r_foot"))
-				if(!affecting)
+			if( H.shoes || ( H.wear_suit && (H.wear_suit.body_parts_covered & FEET) ) )
+				return
+			
+			var/list/check = list("l_foot", "r_foot")
+			while(check.len)
+				var/picked = pick(check)
+				var/obj/item/organ/external/affecting = H.get_organ(picked)
+				if(affecting)
+					if(affecting.status & ORGAN_ROBOT)
+						return
+					if(affecting.take_damage(5, 0))
+						H.UpdateDamageIcon()
+					H.updatehealth()
+					if(!(H.species.flags & NO_PAIN))
+						H.Weaken(3)
 					return
-				if(affecting.status & ORGAN_ROBOT)
-					return
-				if(affecting.take_damage(5, 0))
-					H.UpdateDamageIcon()
-				H.updatehealth()
-				if(!(H.species && (H.species.flags & NO_PAIN)))
-					H.Weaken(3)
-	..()
+				check -= picked
+			return
 
 // Preset types - left here for the code that uses them
 /obj/item/weapon/material/shard/shrapnel/New(loc)