Merge pull request #12218 from phil235/BugFixBoogalooA

Fixes critical bug causing multiple hits from single projectile.

code/modules/flufftext/Hallucination.dm

@@ -140,27 +140,28 @@ Gunshots/explosions/opening doors/less rare audio (done)
 		radius++
 		if(radius > FAKE_FLOOD_MAX_RADIUS)
 			qdel(src)
+			return
 		Expand()
 		next_expand = world.time + FAKE_FLOOD_EXPAND_TIME
-	return
 
 /obj/effect/hallucination/fake_flood/proc/Expand()
-	if(!flood_turfs) //for qdel
-		return
 	for(var/turf/T in circlerangeturfs(loc,radius))
 		if((T in flood_turfs)|| T.blocks_air)
 			continue
 		flood_images += image(image_icon,T,image_state,MOB_LAYER)
 		flood_turfs += T
-	if(target.client) target.client.images |= flood_images
-	return
+	if(target.client)
+		target.client.images |= flood_images
 
 /obj/effect/hallucination/fake_flood/Destroy()
 	SSobj.processing.Remove(src)
 	qdel(flood_turfs)
-	if(target.client) target.client.images.Remove(flood_images)
+	flood_turfs = list()
+	if(target.client)
+		target.client.images.Remove(flood_images)
 	target = null
 	qdel(flood_images)
+	flood_images = list()
 	return ..()
 
 /obj/effect/hallucination/simple/xeno

code/modules/projectiles/firing.dm

@@ -6,7 +6,7 @@
 		ready_proj(target, user, quiet, zone_override)
 		if(distro)
 			targloc = spread(targloc, curloc, distro)
-		if(!throw_proj(targloc, user, params))
+		if(!throw_proj(target, targloc, user, params))
 			return 0
 		if(i > 1)
 			newshot()
@@ -15,7 +15,7 @@
 	update_icon()
 	return 1
 
-/obj/item/ammo_casing/proc/ready_proj(atom/target as mob|obj|turf, mob/living/user, quiet, zone_override = "")
+/obj/item/ammo_casing/proc/ready_proj(atom/target, mob/living/user, quiet, zone_override = "")
 	if (!BB)
 		return
 	BB.original = target
@@ -30,14 +30,15 @@
 		reagents.trans_to(BB, reagents.total_volume) //For chemical darts/bullets
 		qdel(reagents)
 
-/obj/item/ammo_casing/proc/throw_proj(var/turf/targloc, mob/living/user as mob|obj, params)
+/obj/item/ammo_casing/proc/throw_proj(atom/target, turf/targloc, mob/living/user, params)
 	var/turf/curloc = user.loc
 	if (!istype(targloc) || !istype(curloc) || !BB)
 		return 0
 	if(targloc == curloc)
-		if(BB.original == user) //if we target ourselves we go straight to bullet_act()
-			user.bullet_act(BB, BB.def_zone)
+		if(target) //if the target is right on our location we go straight to bullet_act()
+			target.bullet_act(BB, BB.def_zone)
 		qdel(BB)
+		BB = null
 		return 1
 	BB.loc = get_turf(user)
 	BB.starting = get_turf(user)
@@ -51,7 +52,6 @@
 			BB.p_x = text2num(mouse_control["icon-x"])
 		if(mouse_control["icon-y"])
 			BB.p_y = text2num(mouse_control["icon-y"])
-
 	if(BB)
 		BB.fire()
 	BB = null

code/modules/projectiles/gun.dm

@@ -122,14 +122,14 @@
 
 /obj/item/weapon/gun/afterattack(atom/target as mob|obj|turf, mob/living/carbon/human/user as mob|obj, flag, params)//TODO: go over this
 	if(flag) //It's adjacent, is the user, or is on the user's person
-		if(istype(target, /mob/) && !(target in user.contents) && target != user && user.a_intent == "harm")
-			//We make sure that it is a mob, it's not us or part of us.
-			return //Flogging action
-		else if(ishuman(target) && ishuman(user))
-			if(user.zone_sel.selecting == "mouth")
-				handle_suicide(user, target, params)
-				return
-		else
+		if(target in user.contents) //can't shoot stuff inside us.
+			return
+		if(!ismob(target) || user.a_intent == "harm") //melee attack
+			return
+		if(user.zone_sel.selecting == "mouth")
+			handle_suicide(user, target, params)
+			return
+		if(target == user) //so we can't shoot ourselves (unless mouth selected)
 			return
 
 	//Exclude lasertag guns from the CLUMSY check.
@@ -391,10 +391,11 @@
 	semicd = 1
 
 	if(!do_mob(user, target, 120) || user.zone_sel.selecting != "mouth")
-		if(user == target && user)
-			user.visible_message("<span class='notice'>[user] decided life was worth living.</span>")
-		else if(user && target && target.Adjacent(user))
-			target.visible_message("<span class='notice'>[user] has decided to spare [target]'s life.</span>", "<span class='notice'>[user] has decided to spare your life!</span>")
+		if(user)
+			if(user == target)
+				user.visible_message("<span class='notice'>[user] decided life was worth living.</span>")
+			else if(target && target.Adjacent(user))
+				target.visible_message("<span class='notice'>[user] has decided to spare [target]'s life.</span>", "<span class='notice'>[user] has decided to spare your life!</span>")
 		semicd = 0
 		return