paths

code/modules/mob/living/silicon/silicon.dm

@@ -30,7 +30,7 @@
 
 	var/med_hud = DATA_HUD_MEDICAL_ADVANCED //Determines the med hud to use
 	var/sec_hud = DATA_HUD_SECURITY_ADVANCED //Determines the sec hud to use
-	var/d_hud = DATA_HUD_DIAGNOSTIC //There is only one kind of diag hud
+	var/d_hud = DATA_HUD_DIAGNOSTIC_ADVANCED //There is only one kind of diag hud
 
 	var/obj/item/device/radio/common_radio
 
@@ -232,8 +232,8 @@
 	medsensor.add_hud_to(src)
 
 /mob/living/silicon/proc/add_diag_hud()
-	var/datum/atom_hud/diagsensor = huds[d_hud]
-	diagsensor.add_hud_to(src)
+	for(var/datum/atom_hud/data/diagnostic/diagsensor in huds)
+		diagsensor.add_hud_to(src)
 
 
 /mob/living/silicon/proc/toggle_sensor_mode()

code/modules/mob/living/simple_animal/bot/bot.dm

@@ -47,7 +47,7 @@
 	var/frustration = 0 //Used by some bots for tracking failures to reach their target.
 	var/base_speed = 2 //The speed at which the bot moves, or the number of times it moves per process() tick.
 	var/turf/ai_waypoint //The end point of a bot's path, or the target location.
-	var/list/path = list() //List of turfs through which a bot 'steps' to reach the waypoint.
+	var/list/path = list() //List of turfs through which a bot 'steps' to reach the waypoint, associated with the path image, if there is one.
 	var/pathset = 0
 	var/list/ignore_list = list() //List of unreachable targets for an ignore-list enabled bot to ignore.
 	var/mode = BOT_IDLE //Standardizes the vars that indicate the bot is busy with its function.
@@ -82,7 +82,13 @@
 	"Responding", "Navigating to Delivery Location", "Navigating to Home", \
 	"Waiting for clear path", "Calculating navigation path", "Pinging beacon network", "Unable to reach destination")
 
-	hud_possible = list(DIAG_STAT_HUD, DIAG_BOT_HUD, DIAG_HUD) //Diagnostic HUD views
+	var/datum/atom_hud/data/bot_path/path_hud = new /datum/atom_hud/data/bot_path()
+	var/path_image_icon = 'icons/obj/aibots.dmi'
+	var/path_image_icon_state = "path_indicator"
+	var/path_image_color = "#FFFFFF"
+	var/reset_access_timer_id
+
+	hud_possible = list(DIAG_STAT_HUD, DIAG_BOT_HUD, DIAG_HUD, DIAG_PATH_HUD = HUD_LIST_LIST)//Diagnostic HUD views
 
 /obj/item/device/radio/headset/bot
 	subspace_transmission = 1
@@ -130,6 +136,7 @@
 
 /mob/living/simple_animal/bot/New()
 	..()
+	bots_list += src
 	icon_living = icon_state
 	icon_dead = icon_state
 	access_card = new /obj/item/weapon/card/id(src)
@@ -151,14 +158,17 @@
 			radio_controller.add_object(bot_core, control_freq, bot_filter)
 
 	prepare_huds()
-	var/datum/atom_hud/data/diagnostic/diag_hud = huds[DATA_HUD_DIAGNOSTIC]
-	diag_hud.add_to_hud(src)
+	for(var/datum/atom_hud/data/diagnostic/diag_hud in huds)
+		diag_hud.add_to_hud(src)
+		diag_hud.add_hud_to(src)
+		permanent_huds |= diag_hud
 	diag_hud_set_bothealth()
 	diag_hud_set_botstat()
 	diag_hud_set_botmode()
 	// give us the hud too!
-	diag_hud.add_hud_to(src)
-	permanent_huds |= diag_hud
+	if(path_hud)
+		path_hud.add_to_hud(src)
+		path_hud.add_hud_to(src)
 
 /mob/living/simple_animal/bot/update_canmove(delay_action_updates = 0)
 	. = ..()
@@ -169,6 +179,10 @@
 /mob/living/simple_animal/bot/Destroy()
 	if(paicard)
 		ejectpai()
+	if(path_hud)
+		QDEL_NULL(path_hud)
+		path_hud = null
+ 	bots_list -= src
 	QDEL_NULL(Radio)
 	QDEL_NULL(access_card)
 	if(radio_controller && bot_filter)
@@ -446,14 +460,14 @@ Pass a positive integer as an argument to override a bot's default speed.
 /mob/living/simple_animal/bot/proc/bot_move(dest, move_speed)
 
 	if(!dest || !path || path.len == 0) //A-star failed or a path/destination was not set.
-		path = list()
+		set_path(null)
 		return 0
 	dest = get_turf(dest) //We must always compare turfs, so get the turf of the dest var if dest was originally something else.
 	var/turf/last_node = get_turf(path[path.len]) //This is the turf at the end of the path, it should be equal to dest.
 	if(get_turf(src) == dest) //We have arrived, no need to move again.
 		return 1
 	else if(dest != last_node) //The path should lead us to our given destination. If this is not true, we must stop.
-		path = list()
+		set_path(null)
 		return 0
 	var/step_count = move_speed ? move_speed : base_speed //If a value is passed into move_speed, use that instead of the default speed var.
 
@@ -472,14 +486,14 @@ Pass a positive integer as an argument to override a bot's default speed.
 	if(path.len > 1)
 		step_towards(src, path[1])
 		if(get_turf(src) == path[1]) //Successful move
-			path -= path[1]
+			increment_path()
 			tries = 0
 		else
 			tries++
 			return 0
 	else if(path.len == 1)
 		step_to(src, dest)
-		path = list()
+		set_path(null)
 	return 1
 
 
@@ -496,7 +510,7 @@ Pass a positive integer as an argument to override a bot's default speed.
 	var/datum/job/captain/All = new/datum/job/captain
 	all_access.access = All.get_access()
 
-	path = get_path_to(src, waypoint, /turf/proc/Distance_cardinal, 0, 200, id=all_access)
+	set_path(get_path_to(src, waypoint, /turf/proc/Distance_cardinal, 0, 200, id=all_access))
 	calling_ai = caller //Link the AI to the bot!
 	ai_waypoint = waypoint
 
@@ -504,6 +518,9 @@ Pass a positive integer as an argument to override a bot's default speed.
 		if(!on)
 			turn_on() //Saves the AI the hassle of having to activate a bot manually.
 		access_card = all_access //Give the bot all-access while under the AI's command.
+		if(client)
+			reset_access_timer_id = addtimer(src, "bot_reset", 600) //if the bot is player controlled, they get the extra access for a limited time
+			to_chat(src, "<span class='notice'><span class='big'>Priority waypoint set by [calling_ai] <b>[caller]</b>. Proceed to <b>[end_area.name]</b>.</span><br>[path.len-1] meters to destination. You have been granted additional door access for 60 seconds.</span>")
 		if(message)
 			to_chat(calling_ai, "<span class='notice'>[bicon(src)] [name] called to [end_area.name]. [path.len-1] meters to destination.</span>")
 		pathset = 1
@@ -513,7 +530,7 @@ Pass a positive integer as an argument to override a bot's default speed.
 		if(message)
 			to_chat(calling_ai, "<span class='danger'>Failed to calculate a valid route. Ensure destination is clear of obstructions and within range.</span>")
 		calling_ai = null
-		path = list()
+		set_path(null)
 
 /mob/living/simple_animal/bot/proc/call_mode() //Handles preparing a bot for a call, as well as calling the move proc.
 //Handles the bot's movement during a call.
@@ -528,7 +545,10 @@ Pass a positive integer as an argument to override a bot's default speed.
 	if(calling_ai) //Simple notification to the AI if it called a bot. It will not know the cause or identity of the bot.
 		to_chat(calling_ai, "<span class='danger'>Call command to a bot has been reset.</span>")
 		calling_ai = null
-	path = list()
+	if(reset_access_timer_id)
+		deltimer(reset_access_timer_id)
+		reset_access_timer_id = null
+ 	set_path(null)
 	summon_target = null
 	pathset = 0
 	access_card.access = prev_access
@@ -593,7 +613,7 @@ Pass a positive integer as an argument to override a bot's default speed.
 	else if(path.len > 0 && patrol_target)		// valid path
 		var/turf/next = path[1]
 		if(next == loc)
-			path -= next
+			increment_path()
 			return
 
 
@@ -749,12 +769,12 @@ Pass a positive integer as an argument to override a bot's default speed.
 // given an optional turf to avoid
 /mob/living/simple_animal/bot/proc/calc_path(turf/avoid)
 	check_bot_access()
-	path = get_path_to(src, patrol_target, /turf/proc/Distance_cardinal, 0, 120, id=access_card, exclude=avoid)
+	set_path(get_path_to(src, patrol_target, /turf/proc/Distance_cardinal, 0, 120, id=access_card, exclude=avoid))
 
 /mob/living/simple_animal/bot/proc/calc_summon_path(turf/avoid)
 	check_bot_access()
 	spawn()
-		path = get_path_to(src, summon_target, /turf/proc/Distance_cardinal, 0, 150, id=access_card, exclude=avoid)
+		set_path(get_path_to(src, summon_target, /turf/proc/Distance_cardinal, 0, 150, id=access_card, exclude=avoid))
 		if(!path.len) //Cannot reach target. Give up and announce the issue.
 			speak("Summon command failed, destination unreachable.",radio_channel)
 			bot_reset()
@@ -771,7 +791,7 @@ Pass a positive integer as an argument to override a bot's default speed.
 	else if(path.len > 0 && summon_target)		//Proper path acquired!
 		var/turf/next = path[1]
 		if(next == loc)
-			path -= next
+			increment_path()
 			return
 
 		var/moved = bot_move(summon_target, 3)	// Move attempt
@@ -1015,3 +1035,64 @@ Pass a positive integer as an argument to override a bot's default speed.
 
 /mob/living/simple_animal/bot/is_mechanical()
 	return 1
+
+/mob/living/simple_animal/bot/proc/set_path(list/newpath)
+	path = newpath ? newpath : list()
+	if(!path_hud)
+		return
+	var/list/path_huds_watching_me = list(huds[DATA_HUD_DIAGNOSTIC_ADVANCED])
+	if(path_hud)
+		path_huds_watching_me += path_hud
+	for(var/V in path_huds_watching_me)
+		var/datum/atom_hud/H = V
+		H.remove_from_hud(src)
+
+	var/list/path_images = hud_list[DIAG_PATH_HUD]
+	QDEL_LIST(path_images)
+	if(newpath)
+		for(var/i in 1 to newpath.len)
+			var/turf/T = newpath[i]
+			var/direction = NORTH
+			if(i > 1)
+				var/turf/prevT = path[i - 1]
+				var/image/prevI = path[prevT]
+				direction = get_dir(prevT, T)
+				if(i > 2)
+					var/turf/prevprevT = path[i - 2]
+					var/prevDir = get_dir(prevprevT, prevT)
+					var/mixDir = direction|prevDir
+					if(mixDir in diagonals)
+						prevI.dir = mixDir
+						if(prevDir & (NORTH|SOUTH))
+							var/matrix/ntransform = matrix()
+							ntransform.Turn(90)
+							if((mixDir == NORTHWEST) || (mixDir == SOUTHEAST))
+								ntransform.Scale(-1, 1)
+							else
+								ntransform.Scale(1, -1)
+							prevI.transform = ntransform
+			var/mutable_appearance/MA = new /mutable_appearance()
+			MA.icon = path_image_icon
+			MA.icon_state = path_image_icon_state
+			MA.layer = ABOVE_OPEN_TURF_LAYER
+			MA.plane = 0
+			MA.appearance_flags = RESET_COLOR|RESET_TRANSFORM
+			MA.color = path_image_color
+			MA.dir = direction
+			var/image/I = image(loc = T)
+			I.appearance = MA
+			path[T] = I
+			path_images += I
+
+	for(var/V in path_huds_watching_me)
+		var/datum/atom_hud/H = V
+		H.add_to_hud(src)
+
+
+/mob/living/simple_animal/bot/proc/increment_path()
+	if(!path || !path.len)
+		return
+	var/image/I = path[path[1]]
+	if(I)
+		I.icon = null
+	path.Cut(1, 2)

code/modules/mob/living/simple_animal/bot/cleanbot.dm

@@ -17,6 +17,8 @@
 	window_id = "autoclean"
 	window_name = "Automatic Station Cleaner v1.1"
 	pass_flags = PASSMOB
+	path_image_color = "#993299"
+
 
 	var/blood = 1
 	var/list/target_types = list()

code/modules/mob/living/simple_animal/bot/ed209bot.dm

@@ -20,6 +20,7 @@
 	bot_core = /obj/machinery/bot_core/secbot
 	window_id = "autoed209"
 	window_name = "Automatic Security Unit v2.6"
+	path_image_color = "#FF0000"
 
 	var/lastfired = 0
 	var/shot_delay = 3 //.3 seconds between shots

code/modules/mob/living/simple_animal/bot/floorbot.dm

@@ -17,6 +17,7 @@
 	bot_core = /obj/machinery/bot_core/floorbot
 	window_id = "autofloor"
 	window_name = "Automatic Station Floor Repairer v1.1"
+	path_image_color = "#FFA500"
 
 	var/process_type //Determines what to do when process_scan() recieves a target. See process_scan() for details.
 	var/targetdirection

code/modules/mob/living/simple_animal/bot/medbot.dm

@@ -19,6 +19,7 @@
 	bot_core_type = /obj/machinery/bot_core/medbot
 	window_id = "automed"
 	window_name = "Automatic Medical Unit v1.1"
+	path_image_color = "#DDDDFF"
 
 	var/obj/item/weapon/reagent_containers/glass/reagent_glass = null //Can be set to draw from this for reagents.
 	var/skin = null //Set to "tox", "ointment" or "o2" for the other two firstaid kits.

code/modules/mob/living/simple_animal/bot/mulebot.dm

@@ -26,6 +26,8 @@
 	model = "MULE"
 	bot_purpose = "deliver crates and other packages between departments, as requested"
 	bot_core_type = /obj/machinery/bot_core/mulebot
+	path_image_color = "#7F5200"
+
 
 	suffix = ""
 
@@ -502,7 +504,7 @@
 				var/turf/next = path[1]
 				reached_target = 0
 				if(next == loc)
-					path -= next
+					increment_path()
 					return
 				if(istype(next, /turf/simulated))
 //					to_chat(world, "at ([x],[y]) moving to ([next.x],[next.y])")
@@ -513,7 +515,7 @@
 					if(moved && oldloc!=loc)	// successful move
 //						to_chat(world, "Successful move.")
 						blockcount = 0
-						path -= loc
+						increment_path()
 
 						if(destination == home_destination)
 							mode = BOT_GO_HOME
@@ -570,7 +572,7 @@
 // given an optional turf to avoid
 /mob/living/simple_animal/bot/mulebot/calc_path(turf/avoid = null)
 	check_bot_access()
-	path = get_path_to(src, target, /turf/proc/Distance_cardinal, 0, 250, id=access_card, exclude=avoid)
+	set_path(get_path_to(src, target, /turf/proc/Distance_cardinal, 0, 250, id=access_card, exclude=avoid))
 
 // sets the current destination
 // signals all beacons matching the delivery code

code/modules/mob/living/simple_animal/bot/secbot.dm

@@ -18,6 +18,7 @@
 	bot_core_type = /obj/machinery/bot_core/secbot
 	window_id = "autosec"
 	window_name = "Automatic Security Unit v1.6"
+	path_image_color = "#FF0000"
 
 	var/base_icon = "secbot"
 	var/mob/living/carbon/target

code/modules/mob/mob.dm

@@ -34,8 +34,15 @@
 	..()
 
 /atom/proc/prepare_huds()
+	hud_list = list()
 	for(var/hud in hud_possible)
-		hud_list[hud] = image('icons/mob/hud.dmi', src, "")
+		var/hint = hud_possible[hud]
+		switch(hint)
+			if(HUD_LIST_LIST)
+				hud_list[hud] = list()
+			else
+				var/image/I = image('icons/mob/hud.dmi', src, "")
+				hud_list[hud] = I
 
 /mob/proc/generate_name()
 	return name