Thrown items can be targeted, has miss chance...

...based on distance, similar to projectiles.

code/modules/projectiles/guns/alien.dm

@@ -110,7 +110,7 @@
 
 	user.visible_message("\red [user] fires [src]!", "\red You fire [src]!")
 	spike.loc = get_turf(src)
-	spike.throw_at(target,10,fire_force)
+	spike.throw_at(target,10,fire_force,user)
 	spike = null
 	update_icon()
 

code/modules/projectiles/guns/projectile/bow.dm

@@ -191,7 +191,7 @@
 
 	var/obj/item/weapon/arrow/A = arrow
 	A.loc = get_turf(user)
-	A.throw_at(target,10,tension*release_speed)
+	A.throw_at(target,10,tension*release_speed,user)
 	arrow = null
 	tension = 0
 	icon_state = "crossbow"

code/modules/projectiles/guns/projectile/pneumatic.dm

@@ -131,7 +131,7 @@
 	user.visible_message("<span class='danger'>[user] fires [src] and launches [object] at [target]!</span>","<span class='danger'>You fire [src] and launch [object] at [target]!</span>")
 
 	src.remove_from_storage(object,user.loc)
-	object.throw_at(target,10,speed)
+	object.throw_at(target,10,speed,user)
 
 	var/lost_gas_amount = tank.air_contents.total_moles*(pressure_setting/100)
 	var/datum/gas_mixture/removed = tank.air_contents.remove(lost_gas_amount)

code/modules/projectiles/guns/projectile/rocket.dm

@@ -43,7 +43,7 @@
 		var/obj/item/missile/M = new projectile(user.loc)
 		playsound(user.loc, 'sound/effects/bang.ogg', 50, 1)
 		M.primed = 1
-		M.throw_at(target, missile_range, missile_speed)
+		M.throw_at(target, missile_range, missile_speed,user)
 		message_admins("[key_name_admin(user)] fired a rocket from a rocket launcher ([src.name]).")
 		log_game("[key_name_admin(user)] used a rocket launcher ([src.name]).")
 		rockets -= I