moves /obj/effect/overlay/temp to their own files

code cleanup

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

@@ -0,0 +1,136 @@
+/obj/effect/overlay/temp/dir_setting/bloodsplatter
+	icon = 'icons/effects/blood.dmi'
+	duration = 5
+	randomdir = FALSE
+	layer = MOB_LAYER - 0.1
+	color = "#C80000"
+	var/splatter_type = "splatter"
+
+/obj/effect/overlay/temp/dir_setting/bloodsplatter/New(loc, set_dir, blood_color)
+	if(blood_color)
+		color = blood_color
+	if(set_dir in diagonals)
+		icon_state = "[splatter_type][pick(1, 2, 6)]"
+	else
+		icon_state = "[splatter_type][pick(3, 4, 5)]"
+	..()
+	var/target_pixel_x = 0
+	var/target_pixel_y = 0
+	switch(set_dir)
+		if(NORTH)
+			target_pixel_y = 16
+		if(SOUTH)
+			target_pixel_y = -16
+			layer = MOB_LAYER + 0.1
+		if(EAST)
+			target_pixel_x = 16
+		if(WEST)
+			target_pixel_x = -16
+		if(NORTHEAST)
+			target_pixel_x = 16
+			target_pixel_y = 16
+		if(NORTHWEST)
+			target_pixel_x = -16
+			target_pixel_y = 16
+		if(SOUTHEAST)
+			target_pixel_x = 16
+			target_pixel_y = -16
+			layer = MOB_LAYER + 0.1
+		if(SOUTHWEST)
+			target_pixel_x = -16
+			target_pixel_y = -16
+			layer = MOB_LAYER + 0.1
+	animate(src, pixel_x = target_pixel_x, pixel_y = target_pixel_y, alpha = 0, time = duration)
+
+/obj/effect/overlay/temp/dir_setting/bloodsplatter/xenosplatter
+	color = null
+	splatter_type = "xsplatter"
+
+/obj/effect/overlay/temp/dir_setting/speedbike_trail
+	name = "speedbike trails"
+	icon = 'icons/effects/effects.dmi'
+	icon_state = "ion_fade"
+	duration = 10
+	randomdir = FALSE
+	layer = MOB_LAYER - 0.2
+
+/obj/effect/overlay/temp/guardian
+	randomdir = FALSE
+
+/obj/effect/overlay/temp/guardian/phase
+	duration = 5
+	icon_state = "phasein"
+
+/obj/effect/overlay/temp/guardian/phase/out
+	icon_state = "phaseout"
+
+/obj/effect/overlay/temp/decoy
+	desc = "It's a decoy!"
+	duration = 15
+
+/obj/effect/overlay/temp/decoy/New(loc, atom/mimiced_atom)
+	..()
+	alpha = initial(alpha)
+	if(mimiced_atom)
+		name = mimiced_atom.name
+		appearance = mimiced_atom.appearance
+		setDir(mimiced_atom.dir)
+		mouse_opacity = 0
+
+/obj/effect/overlay/temp/decoy/fading/New(loc, atom/mimiced_atom)
+	..()
+	animate(src, alpha = 0, time = duration)
+
+/obj/effect/overlay/temp/revenant
+	name = "spooky lights"
+	icon = 'icons/effects/effects.dmi'
+	icon_state = "purplesparkles"
+
+/obj/effect/overlay/temp/revenant/cracks
+	name = "glowing cracks"
+	icon_state = "purplecrack"
+	duration = 6
+
+/obj/effect/overlay/temp/emp
+	name = "emp sparks"
+	icon = 'icons/effects/effects.dmi'
+	icon_state = "empdisable"
+
+/obj/effect/overlay/temp/emp/pulse
+	name = "emp pulse"
+	icon_state = "emppulse"
+	duration = 8
+	randomdir = FALSE
+
+/obj/effect/overlay/temp/heal //color is white by default, set to whatever is needed
+	name = "healing glow"
+	icon = 'icons/effects/effects.dmi'
+	icon_state = "heal"
+	duration = 15
+
+/obj/effect/overlay/temp/heal/New(loc, colour)
+	..()
+	pixel_x = rand(-12, 12)
+	pixel_y = rand(-9, 0)
+	if(colour)
+		color = colour
+
+/obj/effect/overlay/temp/kinetic_blast
+	name = "kinetic explosion"
+	icon = 'icons/obj/projectiles.dmi'
+	icon_state = "kinetic_blast"
+	layer = ABOVE_MOB_LAYER
+	duration = 4
+
+/obj/effect/overlay/temp/explosion
+	name = "explosion"
+	icon = 'icons/effects/96x96.dmi'
+	icon_state = "explosion"
+	pixel_x = -32
+	pixel_y = -32
+	duration = 8
+
+/obj/effect/overlay/temp/explosion/fast
+	icon_state = "explosionfast"
+	duration = 4
+