[MIRROR] Adds defines for mouse_opacity (#2381)

* Adds defines for mouse_opacity

* Delete misc.dm.rej

* Update misc.dm

code/game/gamemodes/blob/overmind.dm

@@ -4,7 +4,7 @@
 	desc = "The overmind. It controls the blob."
 	icon = 'icons/mob/blob.dmi'
 	icon_state = "marker"
-	mouse_opacity = 1
+	mouse_opacity = MOUSE_OPACITY_ICON
 	move_on_shuttle = 1
 	see_in_dark = 8
 	invisibility = INVISIBILITY_OBSERVER

code/game/gamemodes/clock_cult/clock_effects/clock_overlay.dm

@@ -1,6 +1,6 @@
 //an "overlay" used by clockwork walls and floors to appear normal to mesons.
 /obj/effect/clockwork/overlay
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	var/atom/linked
 
 /obj/effect/clockwork/overlay/examine(mob/user)

code/game/gamemodes/clock_cult/clock_structures/ark_of_the_clockwork_justicar.dm

@@ -4,7 +4,7 @@
 	desc = "A massive, thrumming rip in spacetime."
 	clockwork_desc = "A portal to the Celestial Derelict. Massive and intimidating, it is the only thing that can both transport Ratvar and withstand the massive amount of energy he emits."
 	max_integrity = 500
-	mouse_opacity = 2
+	mouse_opacity = MOUSE_OPACITY_OPAQUE
 	icon = 'icons/effects/clockwork_effects.dmi'
 	icon_state = "nothing"
 	density = FALSE

code/game/gamemodes/clock_cult/clock_structures/prolonging_prism.dm

@@ -130,6 +130,6 @@
 	if(hex_combo) //YOU BUILT A HEXAGON
 		hex_combo.pixel_x = -16
 		hex_combo.pixel_y = -16
-		hex_combo.mouse_opacity = 0
+		hex_combo.mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 		hex_combo.plane = GAME_PLANE
 		new /obj/effect/temp_visual/ratvar/prolonging_prism(T, hex_combo)