dayum dats defined

code/game/objects/effects/decals/Cleanable/misc.dm

@@ -29,11 +29,11 @@
 	layer = TURF_LAYER
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "dirt"
-	mouse_opacity = FALSE
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 
 /obj/effect/decal/cleanable/dirt/blackpowder
 	name = "black powder"
-	mouse_opacity = TRUE
+	mouse_opacity = MOUSE_OPACITY_ICON
 	noscoop = TRUE
 
 /obj/effect/decal/cleanable/dirt/blackpowder/Initialize()

code/game/objects/effects/effect_system/effect_system.dm

@@ -7,7 +7,7 @@ would spawn and follow the beaker, even if it is carried or thrown.
 
 /obj/effect/particle_effect
 	name = "particle effect"
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	unacidable = 1//So effects are not targeted by alien acid.
 	pass_flags = PASSTABLE | PASSGRILLE
 

code/game/objects/effects/effect_system/effects_explosion.dm

@@ -27,7 +27,7 @@
 	icon_state = "explosion"
 	opacity = 1
 	anchored = 1
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	pixel_x = -32
 	pixel_y = -32
 

code/game/objects/effects/misc.dm

@@ -32,7 +32,7 @@
 		anchored = 1
 		layer = 99
 		plane = HUD_PLANE
-		mouse_opacity = 0
+		mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 		unacidable = 1//Just to be sure.
 
 /obj/effect/beam

code/game/objects/effects/overlays.dm

@@ -58,7 +58,7 @@
 	anchored = 1
 	density = 1
 	layer = 5
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 
 /obj/effect/overlay/wall_rot/New()
 	..()

code/game/objects/effects/temporary_visuals/miscellaneous.dm

@@ -134,7 +134,7 @@
 		name = mimiced_atom.name
 		appearance = mimiced_atom.appearance
 		setDir(mimiced_atom.dir)
-		mouse_opacity = 0
+		mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 
 /obj/effect/temp_visual/decoy/fading/New(loc, atom/mimiced_atom)
 	..()

code/game/objects/effects/temporary_visuals/temporary_visual.dm

@@ -2,7 +2,7 @@
 /obj/effect/temp_visual
 	anchored = 1
 	layer = ABOVE_MOB_LAYER
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	var/duration = 10
 	var/randomdir = TRUE
 

code/game/objects/items/weapons/storage/storage.dm

@@ -166,7 +166,7 @@
 
 	if(display_contents_with_number)
 		for(var/datum/numbered_display/ND in display_contents)
-			ND.sample_object.mouse_opacity = 2
+			ND.sample_object.mouse_opacity = MOUSE_OPACITY_OPAQUE
 			ND.sample_object.screen_loc = "[cx]:16,[cy]:16"
 			ND.sample_object.maptext = "<font color='white'>[(ND.number > 1)? "[ND.number]" : ""]</font>"
 			ND.sample_object.layer = 20
@@ -177,7 +177,7 @@
 				cy--
 	else
 		for(var/obj/O in contents)
-			O.mouse_opacity = 2 //This is here so storage items that spawn with contents correctly have the "click around item to equip"
+			O.mouse_opacity = MOUSE_OPACITY_OPAQUE //This is here so storage items that spawn with contents correctly have the "click around item to equip"
 			O.screen_loc = "[cx]:16,[cy]:16"
 			O.maptext = ""
 			O.layer = 20
@@ -309,7 +309,7 @@
 		src.orient2hud(usr)
 		if(usr.s_active)
 			usr.s_active.show_to(usr)
-	W.mouse_opacity = 2 //So you can click on the area around the item to equip it, instead of having to pixel hunt
+	W.mouse_opacity = MOUSE_OPACITY_OPAQUE //So you can click on the area around the item to equip it, instead of having to pixel hunt
 	update_icon()
 	return 1
 

code/game/objects/items/weapons/tanks/watertank.dm

@@ -315,7 +315,7 @@
 	desc = "A frozen shell of ice containing nanofrost that freezes the surrounding area after activation."
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "frozen_smoke_capsule"
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	pass_flags = PASSTABLE
 
 /obj/effect/nanofrost_container/proc/Smoke()

code/game/objects/structures/watercloset.dm

@@ -278,7 +278,7 @@
 	icon_state = "mist"
 	layer = MOB_LAYER + 1
 	anchored = 1
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 
 /obj/machinery/shower/attack_hand(mob/M as mob)
 	on = !on