[MIRROR] ByondUI Overmap Navigation (#9267)

Co-authored-by: ShadowLarkens <shadowlarkens@gmail.com>
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>
Co-authored-by: CHOMPStation2 <chompsation2@gmail.com>

code/modules/overmap/overmap_object.dm

@@ -3,7 +3,6 @@
 	icon = 'icons/obj/overmap.dmi'
 	icon_state = "object"
 
-
 	/// If set to TRUE will show up on ship sensors for detailed scans
 	var/scannable
 	/// Description for scans
@@ -26,14 +25,52 @@
 	//light_system = MOVABLE_LIGHT
 	light_on = FALSE
 
+	///~~If we need to render a map for cameras and helms for this object~~ basically can you look at and use this as a ship or station.
+	var/render_map = FALSE
+
+	// Stuff needed to render the map
+	var/map_name
+	var/obj/screen/map_view/cam_screen
+	/// All the plane masters that need to be applied.
+	var/list/cam_plane_masters
+	var/obj/screen/background/cam_background
+
 /obj/effect/overmap/Initialize()
 	. = ..()
 	if(!global.using_map.use_overmap)
 		return INITIALIZE_HINT_QDEL
 
+	if(render_map) // Initialize map objects
+		map_name = "overmap_[REF(src)]_map"
+		cam_screen = new
+		cam_screen.name = "screen"
+		cam_screen.assigned_map = map_name
+		cam_screen.del_on_map_removal = FALSE
+		cam_screen.screen_loc = "[map_name]:1,1"
+
+		cam_plane_masters = get_tgui_plane_masters()
+
+		for(var/obj/screen/instance as anything in cam_plane_masters)
+			instance.assigned_map = map_name
+			instance.del_on_map_removal = FALSE
+			instance.screen_loc = "[map_name]:CENTER"
+
+		cam_background = new
+		cam_background.assigned_map = map_name
+		cam_background.del_on_map_removal = FALSE
+		update_screen()
+
 /obj/effect/overmap/Destroy()
 	real_appearance?.loc = null
 	real_appearance = null
+
+	if(cam_screen)
+		QDEL_NULL(cam_screen)
+	if(cam_plane_masters)
+		QDEL_LIST(cam_plane_masters)
+	if(cam_background)
+		QDEL_NULL(cam_background)
+
 	return ..()
 
 //Overlay of how this object should look on other skyboxes
@@ -78,3 +115,21 @@
 		SSskybox.rebuild_skyboxes(other.map_z)
 		for(var/obj/effect/overmap/visitable/O in loc)
 			SSskybox.rebuild_skyboxes(O.map_z)
+
+/**
+ * Updates the screen object, which is displayed on all connected helms
+ */
+/obj/effect/overmap/proc/update_screen()
+	if(render_map)
+		var/list/visible_turfs = list()
+		for(var/turf/T in view(4, get_turf(src)))
+			visible_turfs += T
+
+		var/list/bbox = get_bbox_of_atoms(visible_turfs)
+		var/size_x = bbox[3] - bbox[1] + 1
+		var/size_y = bbox[4] - bbox[2] + 1
+
+		cam_screen?.vis_contents = visible_turfs
+		cam_background.icon_state = "clear"
+		cam_background.fill_rect(1, 1, size_x, size_y)
+		return TRUE

code/modules/overmap/ships/computers/helm.dm

@@ -96,8 +96,23 @@ GLOBAL_LIST_EMPTY(all_waypoints)
 
 	ui = SStgui.try_update_ui(user, src, ui)
 	if(!ui)
+		user.client.register_map_obj(linked.cam_screen)
+		for(var/plane in linked.cam_plane_masters)
+			user.client.register_map_obj(plane)
+		user.client.register_map_obj(linked.cam_background)
+
 		ui = new(user, src, "OvermapHelm", "[linked.name] Helm Control") // 565, 545
 		ui.open()
+		addtimer(CALLBACK(src, PROC_REF(update_map)), 0.1 SECONDS)
+
+/obj/machinery/computer/ship/helm/proc/update_map()
+	linked.update_screen()
+
+/obj/machinery/computer/ship/helm/tgui_close(mob/user)
+	. = ..()
+
+	// Unregister map objects
+	user.client?.clear_map(linked?.map_name)
 
 /obj/machinery/computer/ship/helm/tgui_data(mob/user)
 	var/list/data = ..()
@@ -105,6 +120,7 @@ GLOBAL_LIST_EMPTY(all_waypoints)
 	var/turf/T = get_turf(linked)
 	var/obj/effect/overmap/visitable/sector/current_sector = locate() in T
 
+	data["mapRef"] = linked?.map_name
 	data["sector"] = current_sector ? current_sector.name : "Deep Space"
 	data["sector_info"] = current_sector ? current_sector.desc : "Not Available"
 	data["landed"] = linked.get_landed_info()
@@ -157,6 +173,13 @@ GLOBAL_LIST_EMPTY(all_waypoints)
 		return FALSE
 
 	switch(action)
+		if("update_camera_view")
+			if(TIMER_COOLDOWN_RUNNING(src, COOLDOWN_SHIP_REFRESH))
+				to_chat(usr, span_warning("You cannot refresh the map so often."))
+				return
+			update_map()
+			TIMER_COOLDOWN_START(src, COOLDOWN_SHIP_REFRESH, 5 SECONDS)
+			. = TRUE
 		if("add")
 			var/datum/computer_file/data/waypoint/R = new()
 			var/sec_name = tgui_input_text(usr, "Input navigation entry name", "New navigation entry", "Sector #[known_sectors.len]", MAX_NAME_LEN)

code/modules/overmap/ships/ship.dm

@@ -17,6 +17,7 @@
 	icon_state = "ship_nosprite"
 	appearance_flags = TILE_BOUND|KEEP_TOGETHER|LONG_GLIDE //VOREStation Edit
 	light_power = 4
+	layer = OBJ_LAYER + 0.1 // make movables a little higher than regular sectors
 
 	unknown_name = "unknown ship"
 	unknown_state = "ship"
@@ -46,6 +47,7 @@
 
 	/// Vis contents overlay holding the ship's vector when in motion
 	var/obj/effect/overlay/vis/vector
+	render_map = TRUE
 
 /obj/effect/overmap/visitable/ship/Initialize()
 	. = ..()
@@ -217,6 +219,7 @@
 			pixel_y = new_pixel_y
 			return
 	animate(src, pixel_x = new_pixel_x, pixel_y = new_pixel_y, time = wait, flags = ANIMATION_END_NOW)
+	update_screen()
 
 // If we get moved, update our internal tracking to account for it
 /obj/effect/overmap/visitable/ship/Moved(atom/old_loc, direction, forced = FALSE)
@@ -229,6 +232,7 @@
 		pixel_y = 0
 	position_x = ((loc.x - 1) * WORLD_ICON_SIZE) + MODULUS(position_x, WORLD_ICON_SIZE)
 	position_y = ((loc.y - 1) * WORLD_ICON_SIZE) + MODULUS(position_y, WORLD_ICON_SIZE)
+	update_screen()
 
 /obj/effect/overmap/visitable/ship/update_icon()
 	if(!is_still())

code/modules/overmap/turfs.dm

@@ -11,6 +11,7 @@ var/global/list/map_sectors = list()
 	icon = 'icons/turf/space.dmi'
 	icon_state = "map"
 	alpha = 200
+	vis_flags = VIS_INHERIT_ID // disable VIS_INHERIT_PLANE
 
 /turf/unsimulated/map/edge
 	opacity = 1