[MIRROR] Adds defines for mouse_opacity (#2381)

* Adds defines for mouse_opacity

* Delete misc.dm.rej

* Update misc.dm

code/game/objects/effects/anomalies.dm

@@ -238,7 +238,7 @@
 							blueeffect.icon_state = "shieldsparkles"
 							blueeffect.layer = FLASH_LAYER
 							blueeffect.plane = FULLSCREEN_PLANE
-							blueeffect.mouse_opacity = 0
+							blueeffect.mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 							M.client.screen += blueeffect
 							sleep(20)
 							M.client.screen -= blueeffect

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

@@ -30,7 +30,7 @@
 	name = "dirt"
 	desc = "Someone should clean that up."
 	icon_state = "dirt"
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 
 /obj/effect/decal/cleanable/flour
 	name = "flour"

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

@@ -8,7 +8,7 @@ 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
 	pass_flags = PASSTABLE | PASSGRILLE
 
 /obj/effect/particle_effect/New()

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

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

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

@@ -12,7 +12,7 @@
 	anchored = TRUE
 	density = FALSE
 	layer = WALL_OBJ_LAYER
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	var/amount = 3
 	animate_movement = 0
 	var/metal = 0

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

@@ -11,7 +11,7 @@
 	opacity = 0
 	layer = FLY_LAYER
 	anchored = TRUE
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	animate_movement = 0
 	var/amount = 4
 	var/lifetime = 5

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

@@ -4,7 +4,7 @@
 	name = "water"
 	icon_state = "extinguish"
 	var/life = 15
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 
 
 /obj/effect/particle_effect/water/New()

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

@@ -188,7 +188,7 @@
 		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/Initialize(mapload, atom/mimiced_atom)
 	. = ..()
@@ -397,7 +397,7 @@
 		if(warp_color)
 			color = list(warp_color, warp_color, warp_color, list(0,0,0))
 			set_light(1.4, 1, warp_color)
-		mouse_opacity = 0
+		mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 		var/matrix/skew = transform
 		skew = skew.Turn(180)
 		skew = skew.Interpolate(transform, 0.5)

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

@@ -3,7 +3,7 @@
 	icon_state = "nothing"
 	anchored = TRUE
 	layer = ABOVE_MOB_LAYER
-	mouse_opacity = 0
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	var/duration = 10 //in deciseconds
 	var/randomdir = TRUE
 	var/timerid