Using Weight Defines

code/game/objects/structures/bedsheet_bin.dm

@@ -14,7 +14,7 @@ LINEN BINS
 	throwforce = 1
 	throw_speed = 1
 	throw_range = 2
-	w_class = 1
+	w_class = WEIGHT_CLASS_TINY
 	item_color = "white"
 	burn_state = FLAMMABLE
 	slot_flags = SLOT_BACK
@@ -204,7 +204,7 @@ LINEN BINS
 		sheets.Add(I)
 		amount++
 		to_chat(user, "<span class='notice'>You put [I] in [src].</span>")
-	else if(amount && !hidden && I.w_class < 4)	//make sure there's sheets to hide it among, make sure nothing else is hidden in there.
+	else if(amount && !hidden && I.w_class < WEIGHT_CLASS_BULKY)	//make sure there's sheets to hide it among, make sure nothing else is hidden in there.
 		user.drop_item()
 		I.loc = src
 		hidden = I
@@ -255,4 +255,4 @@ LINEN BINS
 
 		if(hidden)
 			hidden.loc = loc
-			hidden = null
+			hidden = null

code/game/objects/structures/flora.dm

@@ -43,7 +43,7 @@
 /obj/structure/flora/tree/palm/New()
 	..()
 	icon_state = pick("palm1","palm2")
-	pixel_x = 0	
+	pixel_x = 0
 
 //grass
 /obj/structure/flora/grass
@@ -209,7 +209,7 @@
 	icon_state = "plant-1"
 	anchored = 0
 	layer = 5
-	w_class = 5
+	w_class = WEIGHT_CLASS_HUGE
 	force = 10
 	throwforce = 13
 	throw_speed = 2
@@ -333,4 +333,4 @@
 					else
 						qdel(src)
 	else
-		return ..()
+		return ..()

code/game/objects/structures/inflatable.dm

@@ -3,7 +3,7 @@
 	desc = "A folded membrane which rapidly expands into a large cubical shape on activation."
 	icon = 'icons/obj/inflatable.dmi'
 	icon_state = "folded_wall"
-	w_class = 3
+	w_class = WEIGHT_CLASS_NORMAL
 
 /obj/item/inflatable/attack_self(mob/user)
 	playsound(loc, 'sound/items/zip.ogg', 75, 1)
@@ -279,7 +279,7 @@
 	icon_state = "inf_box"
 	item_state = "syringe_kit"
 	max_combined_w_class = 21
-	w_class = 3
+	w_class = WEIGHT_CLASS_NORMAL
 
 /obj/item/weapon/storage/briefcase/inflatable/New()
 	..()

code/game/objects/structures/signs.dm

@@ -40,7 +40,7 @@
 	name = "sign"
 	desc = ""
 	icon = 'icons/obj/decals.dmi'
-	w_class = 3		//big
+	w_class = WEIGHT_CLASS_NORMAL
 	burn_state = FLAMMABLE
 	var/sign_state = ""
 
@@ -225,4 +225,3 @@
 	name = "\improper Escape Arm"
 	desc = "A direction sign, pointing out which way escape shuttle dock is."
 	icon_state = "direction_evac"
-

code/game/objects/structures/stool_bed_chair_nest/bed.dm

@@ -93,7 +93,7 @@
 	desc = "A collapsed roller bed that can be carried around."
 	icon = 'icons/obj/rollerbed.dmi'
 	icon_state = "folded"
-	w_class = 4 // Can't be put in backpacks.
+	w_class = WEIGHT_CLASS_BULKY // Can't be put in backpacks.
 
 /obj/item/roller/attack_self(mob/user)
 	var/obj/structure/stool/bed/roller/R = new /obj/structure/stool/bed/roller(user.loc)
@@ -140,4 +140,4 @@
 	var/obj/structure/stool/bed/roller/R = new /obj/structure/stool/bed/roller(user.loc)
 	R.add_fingerprint(user)
 	qdel(held)
-	held = null
+	held = null

code/game/objects/structures/stool_bed_chair_nest/stools.dm

@@ -54,7 +54,7 @@
 	icon_state = "stool"
 	force = 10
 	throwforce = 10
-	w_class = 5
+	w_class = WEIGHT_CLASS_HUGE
 	var/obj/structure/stool/origin = null
 
 /obj/item/weapon/stool/attack_self(mob/user as mob)

code/game/objects/structures/watercloset.dm

@@ -106,10 +106,10 @@
 				to_chat(user, "<span class='warning'>You need a tighter grip!</span>")
 
 	if(cistern)
-		if(I.w_class > 3)
+		if(I.w_class > WEIGHT_CLASS_NORMAL)
 			to_chat(user, "<span class='warning'>[I] does not fit!</span>")
 			return
-		if(w_items + I.w_class > 5)
+		if(w_items + I.w_class > WEIGHT_CLASS_HUGE)
 			to_chat(user, "<span class='warning'>The cistern is full!</span>")
 			return
 		if(!user.drop_item())