makes w_class use defines (#9848)

code/modules/research/research.dm

@@ -238,7 +238,7 @@ research holder datum.
 	icon = 'icons/obj/cloning.dmi'
 	icon_state = "datadisk2"
 	item_state = "card-id"
-	w_class = 2.0
+	w_class = ITEMSIZE_SMALL
 	matter = list(DEFAULT_WALL_MATERIAL = 30, MATERIAL_GLASS = 10)
 	var/datum/tech/stored
 
@@ -262,7 +262,7 @@ research holder datum.
 	icon = 'icons/obj/cloning.dmi'
 	icon_state = "datadisk2"
 	item_state = "card-id"
-	w_class = 2.0
+	w_class = ITEMSIZE_SMALL
 	matter = list(DEFAULT_WALL_MATERIAL = 30, MATERIAL_GLASS = 10)
 	var/datum/design/blueprint
 
@@ -278,4 +278,4 @@ research holder datum.
 			to_chat(user, FONT_SMALL("It is storing the following design:"))
 			to_chat(user, FONT_SMALL(" - [blueprint.name]"))
 		else
-			to_chat(user, FONT_SMALL("It doesn't have any blueprint stored."))
+			to_chat(user, FONT_SMALL("It doesn't have any blueprint stored."))

code/modules/research/xenoarchaeology/chemistry.dm

@@ -7,7 +7,7 @@
 	icon = 'icons/obj/device.dmi'
 	icon_state = "solution_tray"
 	matter = list(MATERIAL_GLASS = 5)
-	w_class = 2.0
+	w_class = ITEMSIZE_SMALL
 	amount_per_transfer_from_this = 1
 	possible_transfer_amounts = list(1, 2)
 	volume = 2

code/modules/research/xenoarchaeology/geosample.dm

@@ -20,7 +20,7 @@
 	icon = 'icons/obj/xenoarchaeology.dmi'
 	icon_state = "sliver1"	//0-4
 	randpixel = 8
-	w_class = 1
+	w_class = ITEMSIZE_TINY
 	sharp = 1
 	//item_state = "electronic"
 	var/source_rock = "/turf/simulated/mineral/"

code/modules/research/xenoarchaeology/tools/tools.dm

@@ -8,7 +8,7 @@
 	icon = 'icons/obj/device.dmi'
 	icon_state = "locator"
 	item_state = "locator"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 
 /obj/item/device/gps/attack_self(var/mob/user as mob)
 	var/turf/T = get_turf(src)
@@ -19,7 +19,7 @@
 	desc = "A coiled metallic tape used to check dimensions and lengths."
 	icon = 'icons/obj/xenoarchaeology.dmi'
 	icon_state = "measuring"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 
 //todo: dig site tape
 
@@ -29,7 +29,7 @@
 	icon = 'icons/obj/mining.dmi'
 	icon_state = "satchel"
 	slot_flags = SLOT_BELT | SLOT_POCKET
-	w_class = 3
+	w_class = ITEMSIZE_NORMAL
 	max_storage_space = 100
-	max_w_class = 3
+	max_w_class = ITEMSIZE_NORMAL
 	can_hold = list(/obj/item/fossil)

code/modules/research/xenoarchaeology/tools/tools_anoscanner.dm

@@ -5,7 +5,7 @@
 	icon = 'icons/obj/xenoarchaeology.dmi'
 	icon_state = "flashgun"
 	item_state = "lampgreen"
-	w_class = 2.0
+	w_class = ITEMSIZE_SMALL
 	slot_flags = SLOT_BELT
 	var/nearest_artifact_id = "unknown"
 	var/nearest_artifact_distance = -1

code/modules/research/xenoarchaeology/tools/tools_coresampler.dm

@@ -19,7 +19,7 @@
 	icon = 'icons/obj/device.dmi'
 	icon_state = "sampler0"
 	item_state = "screwdriver_brown"
-	w_class = 1.0
+	w_class = ITEMSIZE_TINY
 	//slot_flags = SLOT_BELT
 	var/sampled_turf = ""
 	var/num_stored_bags = 10
@@ -74,7 +74,7 @@
 			var/image/I = image("icon"=R, "layer"=FLOAT_LAYER)
 			filled_bag.add_overlay(I)
 			filled_bag.add_overlay("evidence")
-			filled_bag.w_class = 1
+			filled_bag.w_class = ITEMSIZE_TINY
 
 			to_chat(user, "<span class='notice'>You take a core sample of the [item_to_sample].</span>")
 	else

code/modules/research/xenoarchaeology/tools/tools_depthscanner.dm

@@ -8,7 +8,7 @@
 	desc = "Used to check spatial depth and density of rock outcroppings."
 	icon_state = "depthscanner"
 	item_state = "analyzer"
-	w_class = 2.0
+	w_class = ITEMSIZE_SMALL
 	slot_flags = SLOT_BELT
 	var/list/positive_locations = list()
 	var/datum/depth_scan/current

code/modules/research/xenoarchaeology/tools/tools_pickaxe.dm

@@ -15,7 +15,7 @@
 	excavation_amount = 0.5
 	drill_sound = 'sound/weapons/thudswoosh.ogg'
 	drill_verb = "brushing"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 	can_wield = 0
 
 	action_button_name = null
@@ -33,7 +33,7 @@
 	excavation_amount = 1
 	drill_sound = 'sound/items/screwdriver.ogg'
 	drill_verb = "delicately picking"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 	can_wield = 0
 
 	action_button_name = null
@@ -51,7 +51,7 @@
 	excavation_amount = 2
 	drill_sound = 'sound/items/screwdriver.ogg'
 	drill_verb = "delicately picking"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 	can_wield = 0
 
 	action_button_name = null
@@ -69,7 +69,7 @@
 	excavation_amount = 3
 	drill_sound = 'sound/items/screwdriver.ogg'
 	drill_verb = "delicately picking"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 	can_wield = 0
 
 	action_button_name = null
@@ -87,7 +87,7 @@
 	excavation_amount = 4
 	drill_sound = 'sound/items/screwdriver.ogg'
 	drill_verb = "delicately picking"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 	can_wield = 0
 
 	action_button_name = null
@@ -105,7 +105,7 @@
 	excavation_amount = 5
 	drill_sound = 'sound/items/screwdriver.ogg'
 	drill_verb = "delicately picking"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 	can_wield = 0
 
 	action_button_name = null
@@ -123,7 +123,7 @@
 	excavation_amount = 6
 	drill_sound = 'sound/items/screwdriver.ogg'
 	drill_verb = "delicately picking"
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 	can_wield = 0
 
 	action_button_name = null
@@ -141,7 +141,7 @@
 	excavation_amount = 15
 	drill_sound = /decl/sound_category/pickaxe_sound
 	drill_verb = "clearing"
-	w_class = 3
+	w_class = ITEMSIZE_NORMAL
 	can_wield = 0
 
 	action_button_name = null
@@ -157,7 +157,7 @@
 	item_state = "box"
 	foldable = /obj/item/stack/material/cardboard //BubbleWrap
 	storage_slots = 7
-	w_class = 2
+	w_class = ITEMSIZE_SMALL
 	can_hold = list(/obj/item/pickaxe/brush,\
 	/obj/item/pickaxe/one_pick,\
 	/obj/item/pickaxe/two_pick,\
@@ -166,7 +166,7 @@
 	/obj/item/pickaxe/five_pick,\
 	/obj/item/pickaxe/six_pick)
 	max_storage_space = 18
-	max_w_class = 3
+	max_w_class = ITEMSIZE_NORMAL
 	use_to_pickup = 1 // for picking up broken bulbs, not that most people will try
 
 /obj/item/storage/box/excavation/fill()