adds ob falling effect from tgmc and give it to mortar too

code/game/objects/effects/overlays.dm

@@ -226,6 +226,53 @@
 	icon = 'icons/obj/items/weapons/projectiles.dmi'
 	icon_state = "laser_target3"
 
+//animation of the OB shell actually hitting the ground
+/obj/effect/overlay/temp/ob_impact
+	name = "ob impact animation"
+	effect_duration = 12
+	var/atom/shell
+	var/size_mod
+
+/obj/effect/overlay/temp/ob_impact/Initialize(mapload, atom/owner, size)
+	. = ..()
+	if (!owner)
+		log_debug("Created a [type] without `owner`")
+		qdel(src)
+		return
+	shell = owner
+	size_mod = size
+	appearance = shell.appearance
+	transform = matrix().Turn(-90)
+	transform *= size_mod
+	add_filter("motionblur", 1, motion_blur_filter(x = 5, y = 0)) //either im stupid and dont know what its supposed to look like or it needs to be x because it got rotated
+	layer = initial(layer)
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
+	pixel_y = 6000
+	animate(src, pixel_y = -100, time=10)
+	animate(icon_state=null, icon=null, time=2) // to vanish it immediately
+
+//same as above but for mortar shells
+/obj/effect/overlay/temp/mortar_impact
+	name = "mortar impact animation"
+	effect_duration = 22
+	var/atom/shell
+
+/obj/effect/overlay/temp/mortar_impact/Initialize(mapload, atom/owner)
+	. = ..()
+	if (!owner)
+		log_debug("Created a [type] without `owner`")
+		qdel(src)
+		return
+	shell = owner
+	appearance = shell.appearance
+	transform = matrix().Turn(-180)
+	add_filter("motionblur", 1, motion_blur_filter(x = 0, y = 1))
+	layer = initial(layer)
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
+	pixel_y = 3000
+	animate(src, pixel_y = -50, time=2 SECONDS)
+	animate(icon_state=null, icon=null, time=2) // to vanish it immediately
+
 /obj/effect/overlay/temp/emp_sparks
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "empdisable"

code/modules/admin/tabs/event_tab.dm

@@ -1051,7 +1051,7 @@
 			return
 
 		message_admins("[key_name(usr)] has fired \an [warhead.name] at ([target.x],[target.y],[target.z]).")
-		warhead.warhead_impact(target)
+		warhead.warhead_impact(target, warhead)
 
 	else
 		warhead.forceMove(target)

code/modules/cm_marines/equipment/mortar/mortars.dm

@@ -533,6 +533,7 @@
 		)
 	if(MODE_HAS_MODIFIER(/datum/gamemode_modifier/mortar_laser_warning))
 		new /obj/effect/overlay/temp/blinking_laser(target)
+	new /obj/effect/overlay/temp/mortar_impact (target, shell)
 	sleep(2 SECONDS) // Wait out the rest of the landing time
 	target.ceiling_debris_check(2)
 	if(!protected_by_pylon(TURF_PROTECTION_MORTAR, target))

code/modules/cm_marines/orbital_cannon.dm

@@ -245,7 +245,7 @@ GLOBAL_LIST_EMPTY(orbital_cannon_cancellation)
 	var/obj/structure/ob_ammo/warhead/warhead = tray.warhead
 	tray.warhead = null
 	warhead.moveToNullspace()
-	warhead.warhead_impact(target)
+	warhead.warhead_impact(target, warhead)
 
 	sleep(OB_CRASHING_DOWN)
 
@@ -467,12 +467,13 @@ GLOBAL_LIST_EMPTY(orbital_cannon_cancellation)
 	var/clear_delay = 3
 	var/double_explosion_delay = 6
 
-/obj/structure/ob_ammo/warhead/explosive/warhead_impact(turf/target)
+/obj/structure/ob_ammo/warhead/explosive/warhead_impact(turf/target, obj/structure/ob_ammo/warhead/warhead)
 	. = ..()
 	if (!.)
 		return
 
 	new /obj/effect/overlay/temp/blinking_laser (target)
+	new /obj/effect/overlay/temp/ob_impact (target, warhead, 1.5)
 	sleep(10)
 	var/datum/cause_data/cause_data = create_cause_data(initial(name), source_mob)
 	cell_explosion(target, clear_power, clear_falloff, EXPLOSION_FALLOFF_SHAPE_LINEAR, null, cause_data) //break shit around
@@ -515,12 +516,13 @@ GLOBAL_LIST_EMPTY(orbital_cannon_cancellation)
 	var/fire_color = LIGHT_COLOR_CYAN
 	var/fire_type = "white"
 
-/obj/structure/ob_ammo/warhead/incendiary/warhead_impact(turf/target)
+/obj/structure/ob_ammo/warhead/incendiary/warhead_impact(turf/target, obj/structure/ob_ammo/warhead/warhead)
 	. = ..()
 	if (!.)
 		return
 
 	new /obj/effect/overlay/temp/blinking_laser (target)
+	new /obj/effect/overlay/temp/ob_impact (target, warhead)
 	sleep(10)
 	var/datum/cause_data/cause_data = create_cause_data(initial(name), source_mob)
 	cell_explosion(target, clear_power, clear_falloff, EXPLOSION_FALLOFF_SHAPE_LINEAR, null, cause_data) //break shit around
@@ -543,14 +545,14 @@ GLOBAL_LIST_EMPTY(orbital_cannon_cancellation)
 	var/explosion_falloff = 150
 	var/delay_between_clusters = 0.4 SECONDS // how long between each firing?
 
-/obj/structure/ob_ammo/warhead/cluster/warhead_impact(turf/target)
+/obj/structure/ob_ammo/warhead/cluster/warhead_impact(turf/target, obj/structure/ob_ammo/warhead/warhead)
 	. = ..()
 	if (!.)
 		return
 
-	start_cluster(target)
+	start_cluster(target, warhead)
 
-/obj/structure/ob_ammo/warhead/cluster/proc/start_cluster(turf/target)
+/obj/structure/ob_ammo/warhead/cluster/proc/start_cluster(turf/target, obj/structure/ob_ammo/warhead/warhead)
 	set waitfor = 0
 
 	var/range_num = 12
@@ -564,13 +566,14 @@ GLOBAL_LIST_EMPTY(orbital_cannon_cancellation)
 			var/area/selected_area = get_area(selected_turf)
 			if(CEILING_IS_PROTECTED(selected_area?.ceiling, CEILING_PROTECTION_TIER_4))
 				continue
-			fire_in_a_hole(selected_turf)
+			fire_in_a_hole(selected_turf, warhead)
 
 		sleep(delay_between_clusters)
 	QDEL_IN(src, 5 SECONDS) // Leave time for last handle_ob_shake below
 
-/obj/structure/ob_ammo/warhead/cluster/proc/fire_in_a_hole(turf/loc)
+/obj/structure/ob_ammo/warhead/cluster/proc/fire_in_a_hole(turf/loc, obj/structure/ob_ammo/warhead/warhead)
 	new /obj/effect/overlay/temp/blinking_laser (loc)
+	new /obj/effect/overlay/temp/ob_impact (loc, warhead, 0.5)
 	addtimer(CALLBACK(GLOBAL_PROC, GLOBAL_PROC_REF(cell_explosion), loc, explosion_power, explosion_falloff, EXPLOSION_FALLOFF_SHAPE_LINEAR, null, create_cause_data(initial(name), source_mob)), 1 SECONDS)
 	addtimer(CALLBACK(src, PROC_REF(handle_ob_shake), loc), 1 SECONDS)