Adds a laser level for engineers to use (#13012)

* adds laser level

* adds a period

code/_onclick/hud/fullscreen.dm

@@ -143,6 +143,14 @@
 	screen_loc = "WEST,SOUTH to EAST,NORTH"
 	icon_state = "noise"
 
+/obj/screen/fullscreen/laser
+	icon = 'icons/mob/screen_gen.dmi'
+	icon_state = "laser"
+	screen_loc = "WEST,SOUTH to EAST,NORTH"
+	blend_mode = BLEND_ADD
+	color = "#00ff00"
+	alpha = 127
+
 /obj/screen/fullscreen/high
 	icon = 'icons/mob/screen_gen.dmi'
 	screen_loc = "WEST,SOUTH to EAST,NORTH"

code/game/objects/items/laser_level.dm

@@ -0,0 +1,51 @@
+/obj/item/laserlevel
+	name = "laser level"
+	desc = "Emits a light grid for easy construction."
+	icon = 'icons/obj/tools.dmi'
+	icon_state = "laser-level"
+	item_state = "laserlevel"
+	lefthand_file = 'icons/mob/inhands/misc/devices_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/misc/devices_righthand.dmi'
+	w_class = WEIGHT_CLASS_SMALL
+	flags_1 = CONDUCT_1
+	slot_flags = ITEM_SLOT_BELT
+	var/lightlevel = 0;
+	var/brightness_on = 4 //range of light when on
+	var/flashlight_power = 1 //strength of the light when on
+
+/obj/item/laserlevel/Initialize()
+	. = ..()
+	update_icon()
+
+/obj/item/laserlevel/attack_self(mob/user)
+	lightlevel--;
+	if(lightlevel < 0)
+		lightlevel = 3
+	playsound(user, lightlevel ? 'sound/weapons/magin.ogg' : 'sound/weapons/magout.ogg', 40, 1)
+	if(lightlevel)
+		set_light(l_range = lightlevel / 2, l_power = (lightlevel / 4), l_color = "#00ff00")
+	else
+		set_light(0)
+	update_icon()
+	update_overlay(user)
+		
+/obj/item/laserlevel/update_icon()
+	cut_overlays()
+	add_overlay("[initial(icon_state)][lightlevel]")
+	return
+	
+
+/obj/item/laserlevel/proc/update_overlay(mob/user)
+	user.clear_fullscreen("laser",0)
+	if(lightlevel)
+		var/obj/screen/fullscreen/laser/laserscreen = user.overlay_fullscreen("laser", /obj/screen/fullscreen/laser)
+		laserscreen.alpha = 42 * lightlevel
+
+/obj/item/laserlevel/dropped(mob/user, silent)
+	. = ..()
+	user.clear_fullscreen("laser",0)
+
+/obj/item/laserlevel/pickup(mob/user)
+	. = ..()
+	update_overlay(user)
+

code/modules/vending/assist.dm

@@ -4,6 +4,7 @@
 					/obj/item/assembly/signaler = 4,
 					/obj/item/wirecutters = 1,
 					/obj/item/cartridge/signal = 4)
+	premium = list(/obj/item/laserlevel = 1)
 	contraband = list(/obj/item/assembly/timer = 2,
 					  /obj/item/assembly/voice = 2,
 					  /obj/item/assembly/health = 2)

code/modules/vending/engivend.dm

@@ -18,7 +18,8 @@
 					/obj/item/electronics/advanced_airlock_controller = 10,
 					/obj/item/electronics/firealarm = 10,
 					/obj/item/electronics/firelock = 10,
-					/obj/item/storage/bag/construction = 6)
+					/obj/item/storage/bag/construction = 6,
+					/obj/item/laserlevel = 3)
 	contraband = list(/obj/item/stock_parts/cell/potato = 3)
 	premium = list(/obj/item/storage/belt/utility = 3,
 				   /obj/item/storage/box/smart_metal_foam = 1)

yogstation.dme

@@ -966,6 +966,7 @@
 #include "code\game\objects\items\hourglass.dm"
 #include "code\game\objects\items\inducer.dm"
 #include "code\game\objects\items\kitchen.dm"
+#include "code\game\objects\items\laser_level.dm"
 #include "code\game\objects\items\latexballoon.dm"
 #include "code\game\objects\items\mantis.dm"
 #include "code\game\objects\items\manuals.dm"