Merge pull request #4371 from tigercat2000/better_blueprints

Ports holomap blueprints from tg/vg.

code/game/objects/items/blueprints.dm

@@ -41,7 +41,7 @@
 	if(href_list["create_area"])
 		if(get_area_type()==AREA_SPACE)
 			create_area()
-	updateUsrDialog()
+
 
 
 //One-use area creation permits.
@@ -77,6 +77,12 @@
 	icon_state = "blueprints"
 	fluffnotice = "Property of Nanotrasen. For heads of staff only. Store in high-secure storage."
 	w_class = 3
+	var/list/showing = list()
+	var/client/viewing
+
+/obj/item/areaeditor/blueprints/Destroy()
+	clear_viewer()
+	return ..()
 
 
 /obj/item/areaeditor/blueprints/attack_self(mob/user as mob)
@@ -85,6 +91,11 @@
 	if(get_area_type() == AREA_STATION)
 		. += "<p>According to the [src], you are now in <b>\"[sanitize(A.name)]\"</b>.</p>"
 		. += "<p>You may <a href='?src=\ref[src];edit_area=1'> move an amendment</a> to the drawing.</p>"
+	if(!viewing)
+		. += "<p><a href='?src=\ref[src];view_blueprints=1'>View structural data</a></p>"
+	else
+		. += "<p><a href='?src=\ref[src];refresh=1'>Refresh structural data</a></p>"
+		. += "<p><a href='?src=\ref[src];hide_blueprints=1'>Hide structural data</a></p>"
 	var/datum/browser/popup = new(user, "blueprints", "[src]", 700, 500)
 	popup.set_content(.)
 	popup.open()
@@ -97,8 +108,43 @@
 		if(get_area_type()!=AREA_STATION)
 			return
 		edit_area()
-	updateUsrDialog()
+	if(href_list["view_blueprints"])
+		set_viewer(usr, "<span class='notice'>You flip the blueprints over to view the complex information diagram.</span>")
+	if(href_list["hide_blueprints"])
+		clear_viewer(usr, "<span class='notice'>You flip the blueprints over to view the simple information diagram.</span>")
+	if(href_list["refresh"])
+		clear_viewer(usr)
+		set_viewer(usr)
 
+	attack_self(usr)
+/obj/item/areaeditor/blueprints/proc/get_images(turf/T, viewsize)
+	. = list()
+	for(var/tt in RANGE_TURFS(viewsize, T))
+		var/turf/TT = tt
+		if(TT.blueprint_data)
+			. += TT.blueprint_data
+
+/obj/item/areaeditor/blueprints/proc/set_viewer(mob/user, message = "")
+	if(user && user.client)
+		if(viewing)
+			clear_viewer()
+		viewing = user.client
+		showing = get_images(get_turf(user), viewing.view)
+		viewing.images |= showing
+		if(message)
+			to_chat(user, message)
+
+/obj/item/areaeditor/blueprints/proc/clear_viewer(mob/user, message = "")
+	if(viewing)
+		viewing.images -= showing
+		viewing = null
+	showing.Cut()
+	if(message)
+		to_chat(user, message)
+
+/obj/item/areaeditor/blueprints/dropped(mob/user)
+	..()
+	clear_viewer()
 
 /obj/item/areaeditor/proc/get_area()
 	var/turf/T = get_turf(usr)

code/game/objects/objs.dm

@@ -23,6 +23,19 @@
 	// Reagent ID => friendly name
 	var/list/reagents_to_log=list()
 
+	var/on_blueprints = FALSE //Are we visible on the station blueprints at roundstart?
+	var/force_blueprints = FALSE //forces the obj to be on the blueprints, regardless of when it was created.
+
+/obj/New()
+	. = ..()
+
+	if(on_blueprints && isturf(loc))
+		var/turf/T = loc
+		if(force_blueprints)
+			T.add_blueprints(src)
+		else
+			T.add_blueprints_preround(src)
+
 /obj/Topic(href, href_list, var/nowindow = 0, var/datum/topic_state/state = default_state)
 	// Calling Topic without a corresponding window open causes runtime errors
 	if(!nowindow && ..())