Reflector

code/game/objects/structures/reflector.dm

@@ -0,0 +1,70 @@
+//dir 1 = north
+//dir 2 = south
+//dir 8 = west
+//dir 4 = east
+
+/obj/structure/reflector
+	name = "reflector"
+	icon_state = "reflector"
+	desc = "An angled mirror for reflecting lasers."
+	anchored = 1
+	density = 1
+	layer = 2
+
+/obj/structure/reflector/bullet_act(obj/item/projectile/P)
+	var/reflect_x = 0
+	var/reflect_y = 0
+	var/new_dir = 0
+	var/turf/reflect_turf = get_turf(src)
+
+	switch(P.dir) //Is the projectile heading in a direction that would hit a reflective panel?
+		if(1) //Travelling north
+			switch(src.dir)
+				if(2) //Facing south, reflected east
+					new_dir = 4
+				if(8) //Facing west, reflected west
+					new_dir = 8
+		if(2) //Travelling south
+			switch(src.dir)
+				if(1) //Facing north, reflected west
+					new_dir = 8
+				if(4) //Facing east, reflected east
+					new_dir = 4
+		if(8) //Travelling west
+			switch(src.dir)
+				if(2)
+					new_dir = 2
+				if(4)
+					new_dir = 1
+		if(4) //Travelling east
+			switch(src.dir)
+				if(1)
+					new_dir = 1
+				if(8)
+					new_dir = 2
+
+	switch(new_dir) //Setting a new target based on the reflection direction
+		if(1)
+			reflect_x = src.x
+			reflect_y = src.y+2
+		if(2)
+			reflect_x = src.x
+			reflect_y = src.y-2
+		if(4)
+			reflect_x = src.x+2
+			reflect_y = src.y
+		if(8)
+			reflect_x = src.x-2
+			reflect_y = src.y
+		else //If it didnt hit a panel and a new_dir wasn't set
+			visible_message("<span class='notice'>[src] is hit by the [P]!</span>")
+			return ..() //Hits as normal, explodes or emps or whatever
+
+	visible_message("<span class='notice'>[P] bounces off of the [src]</span>")
+	P.original = locate(reflect_x, reflect_y, P.z)
+	P.starting = reflect_turf
+	P.current = reflect_turf
+	P.yo = reflect_y - reflect_turf.y
+	P.xo = reflect_x - reflect_turf.x
+	P.kill_count = 50 //Keep the projectile healthy as long as its bouncing off things
+	return - 1