Merge pull request #8403 from Aurorablade/FollowThePath

Ports some hud updates from TG

code/__DEFINES/hud.dm

@@ -26,6 +26,11 @@
 #define PLANT_PEST_HUD		"21"// Pest level
 #define PLANT_WEED_HUD		"22"// Weed level
 #define DIAG_TRACK_HUD		"23"// Mech tracking beacon
+#define DIAG_PATH_HUD 		"24"//Bot path indicators
+
+//by default everything in the hud_list of an atom is an image
+//a value in hud_list with one of these will change that behavior
+#define HUD_LIST_LIST 1
 
 //data HUD (medhud, sechud) defines
 //Don't forget to update human/New() if you change these!
@@ -34,20 +39,21 @@
 #define DATA_HUD_MEDICAL_BASIC		3
 #define DATA_HUD_MEDICAL_ADVANCED	4
 #define DATA_HUD_DIAGNOSTIC			5
-#define DATA_HUD_HYDROPONIC			6
+#define DATA_HUD_DIAGNOSTIC_ADVANCED	6
+#define DATA_HUD_HYDROPONIC			7
 //NATIONS
-#define GAME_HUD_NATIONS	7
+#define GAME_HUD_NATIONS	8
 //antag HUD defines
-#define ANTAG_HUD_CULT		8
-#define ANTAG_HUD_REV		9
-#define ANTAG_HUD_OPS		10
-#define ANTAG_HUD_WIZ		11
-#define ANTAG_HUD_SHADOW    12
-#define ANTAG_HUD_TRAITOR 13
-#define ANTAG_HUD_NINJA 14 //For Daves Rework
-#define ANTAG_HUD_CHANGELING 15
-#define ANTAG_HUD_VAMPIRE 16
-#define ANTAG_HUD_ABDUCTOR 17 //For Fox
+#define ANTAG_HUD_CULT		9
+#define ANTAG_HUD_REV		10
+#define ANTAG_HUD_OPS		11
+#define ANTAG_HUD_WIZ		12
+#define ANTAG_HUD_SHADOW    13
+#define ANTAG_HUD_TRAITOR 14
+#define ANTAG_HUD_NINJA 15
+#define ANTAG_HUD_CHANGELING 16
+#define ANTAG_HUD_VAMPIRE 17
+#define ANTAG_HUD_ABDUCTOR 18
 
 // Notification action types
 #define NOTIFY_JUMP "jump"

code/_globalvars/lists/mobs.dm

@@ -25,6 +25,7 @@ var/global/list/respawnable_list = list()			//List of all mobs, dead or in mindl
 var/global/list/non_respawnable_keys = list()	//List of ckeys that are excluded from respawning for remainder of round.
 var/global/list/simple_animal_list = list()			//List of all simple animals, including clientless
 var/global/list/snpc_list = list()      			//List of all snpc's, including clientless
+var/global/list/bots_list = list() 					//List of all bots(beepsky, medibots,etc)
 
 var/global/list/med_hud_users = list()
 var/global/list/sec_hud_users = list()

code/datums/hud.dm

@@ -1,4 +1,5 @@
 /* HUD DATUMS */
+var/global/list/all_huds = list()
 
 ///GLOBAL HUD LIST
 var/datum/atom_hud/huds = list( \
@@ -7,6 +8,7 @@ var/datum/atom_hud/huds = list( \
 	DATA_HUD_MEDICAL_BASIC = new/datum/atom_hud/data/human/medical/basic(), \
 	DATA_HUD_MEDICAL_ADVANCED = new/datum/atom_hud/data/human/medical/advanced(), \
 	DATA_HUD_DIAGNOSTIC = new/datum/atom_hud/data/diagnostic(), \
+	DATA_HUD_DIAGNOSTIC_ADVANCED = new/datum/atom_hud/data/diagnostic/advanced(), \
 	DATA_HUD_HYDROPONIC = new/datum/atom_hud/data/hydroponic(), \
 	GAME_HUD_NATIONS = new/datum/atom_hud/antag(), \
 	ANTAG_HUD_CULT = new/datum/atom_hud/antag(), \
@@ -26,6 +28,18 @@ var/datum/atom_hud/huds = list( \
 	var/list/mob/hudusers = list() //list with all mobs who can see the hud
 	var/list/hud_icons = list() //these will be the indexes for the atom's hud_list
 
+
+/datum/atom_hud/New()
+	all_huds += src
+
+/datum/atom_hud/Destroy()
+	for(var/v in hudusers)
+		remove_hud_from(v)
+	for(var/v in hudatoms)
+		remove_from_hud(v)
+	all_huds -= src
+	return ..()
+
 /datum/atom_hud/proc/remove_hud_from(mob/M)
 	if(!M)
 		return
@@ -82,7 +96,7 @@ var/datum/atom_hud/huds = list( \
 			serv_huds += serv.thrallhud
 
 
-	for(var/datum/atom_hud/hud in (huds|serv_huds))//|gang_huds))
+	for(var/datum/atom_hud/hud in (all_huds|serv_huds))//|gang_huds))
 		if(src in hud.hudusers)
 			hud.add_hud_to(src)
 

code/game/data_huds.dm

@@ -46,6 +46,12 @@
 /datum/atom_hud/data/diagnostic
 	hud_icons = list (DIAG_HUD, DIAG_STAT_HUD, DIAG_BATT_HUD, DIAG_MECH_HUD, DIAG_BOT_HUD, DIAG_TRACK_HUD)
 
+/datum/atom_hud/data/diagnostic/advanced
+	hud_icons = list (DIAG_HUD, DIAG_STAT_HUD, DIAG_BATT_HUD, DIAG_MECH_HUD, DIAG_BOT_HUD, DIAG_TRACK_HUD, DIAG_PATH_HUD)
+
+/datum/atom_hud/data/bot_path
+	hud_icons = list(DIAG_PATH_HUD)
+
 /datum/atom_hud/data/hydroponic
 	hud_icons = list (PLANT_NUTRIENT_HUD, PLANT_WATER_HUD, PLANT_STATUS_HUD, PLANT_HEALTH_HUD, PLANT_TOXIN_HUD, PLANT_PEST_HUD, PLANT_WEED_HUD)
 
@@ -120,6 +126,7 @@
 			return "health-100" //doc u had 1 job
 	return "0"
 
+
 ///HOOKS
 
 //called when a human changes suit sensors
@@ -128,22 +135,26 @@
 	B.update_suit_sensors(src)
 
 
-//called when a carbon changes health
-/mob/living/carbon/proc/med_hud_set_health()
+//called when a living mob changes health
+/mob/living/proc/med_hud_set_health()
 	var/image/holder = hud_list[HEALTH_HUD]
-	if(stat == 2)
-		holder.icon_state = "hudhealth-100"
-	else
-		holder.icon_state = "hud[RoundHealth(health)]"
+	holder.icon_state = "hud[RoundHealth(src)]"
+
 
 //called when a carbon changes stat, virus or XENO_HOST
-/mob/living/carbon/proc/med_hud_set_status()
+/mob/living/proc/med_hud_set_status()
 	var/image/holder = hud_list[STATUS_HUD]
-	//var/image/holder2 = hud_list[STATUS_HUD_OOC]
-	var/mob/living/simple_animal/borer/B = has_brain_worms()
-	if(stat == 2)
+	if(stat == DEAD)
+		holder.icon_state = "huddead"
+	else
+		holder.icon_state = "hudhealthy"
+
+//called when a carbon changes stat, virus or XENO_HOST
+/mob/living/carbon/med_hud_set_status()
+	var/image/holder = hud_list[STATUS_HUD]
+	var/mob/living/simple_animal/borer/B = has_brain_worms()
+	if(stat == DEAD)
 		holder.icon_state = "huddead"
-		//holder2.icon_state = "huddead"
 	else if(status_flags & XENO_HOST)
 		holder.icon_state = "hudxeno"
 	else if(check_virus())
@@ -152,7 +163,6 @@
 		holder.icon_state = "hudbrainworm"
 	else
 		holder.icon_state = "hudhealthy"
-		//holder2.icon_state = "hudhealthy"
 
 
 

code/game/gamemodes/miniantags/bot_swarm/swarmer.dm

@@ -112,6 +112,7 @@
 	loot = list(/obj/effect/decal/cleanable/blood/gibs/robot, /obj/item/weapon/ore/bluespace_crystal/artificial)
 	deathmessage = "The swarmer explodes with a sharp pop!"
 	del_on_death = 1
+	hud_possible = list(SPECIALROLE_HUD, DIAG_STAT_HUD, DIAG_HUD)
 
 /mob/living/simple_animal/hostile/swarmer/Login()
 	..()
@@ -127,8 +128,22 @@
 	..()
 	add_language("Swarmer", 1)
 	verbs -= /mob/living/verb/pulled
+	for(var/datum/atom_hud/data/diagnostic/diag_hud in huds)
+		diag_hud.add_to_hud(src)
 	updatename()
 
+/mob/living/simple_animal/hostile/swarmer/med_hud_set_health()
+	var/image/holder = hud_list[DIAG_HUD]
+	var/icon/I = icon(icon, icon_state, dir)
+	holder.pixel_y = I.Height() - world.icon_size
+	holder.icon_state = "huddiag[RoundDiagBar(health / maxHealth)]"
+
+/mob/living/simple_animal/hostile/swarmer/med_hud_set_status()
+	var/image/holder = hud_list[DIAG_STAT_HUD]
+	var/icon/I = icon(icon, icon_state, dir)
+	holder.pixel_y = I.Height() - world.icon_size
+	holder.icon_state = "hudstat"
+
 /mob/living/simple_animal/hostile/swarmer/Stat()
 	..()
 	if(statpanel("Status"))

code/game/gamemodes/miniantags/guardian/guardian.dm

@@ -41,6 +41,21 @@
 	var/adminseal = FALSE
 	var/name_color = "white"//only used with protector shields for the time being
 
+/mob/living/simple_animal/hostile/guardian/med_hud_set_health()
+	if(summoner)
+		var/image/holder = hud_list[HEALTH_HUD]
+		holder.icon_state = "hud[RoundHealth(summoner)]"
+
+/mob/living/simple_animal/hostile/guardian/med_hud_set_status()
+	if(summoner)
+		var/image/holder = hud_list[STATUS_HUD]
+		var/icon/I = icon(icon, icon_state, dir)
+		holder.pixel_y = I.Height() - world.icon_size
+		if(summoner.stat == DEAD)
+			holder.icon_state = "huddead"
+		else
+			holder.icon_state = "hudhealthy"
+
 /mob/living/simple_animal/hostile/guardian/Life() //Dies if the summoner dies
 	..()
 	if(summoner)
@@ -88,7 +103,8 @@
 			resulthealth = round((summoner.health / summoner.maxHealth) * 100)
 		if(hud_used)
 			hud_used.guardianhealthdisplay.maptext = "<div align='center' valign='middle' style='position:relative; top:0px; left:6px'><font color='#efeeef'>[resulthealth]%</font></div>"
-
+		med_hud_set_health()
+		med_hud_set_status()
 
 /mob/living/simple_animal/hostile/guardian/adjustHealth(amount) //The spirit is invincible, but passes on damage to the summoner
 	var/damage = amount * damage_transfer

code/game/gamemodes/miniantags/guardian/types/healer.dm

@@ -52,6 +52,9 @@
 				C.adjustOxyLoss(-5)
 				C.adjustToxLoss(-5)
 				heal_cooldown = world.time + 20
+				if(C == summoner)
+					med_hud_set_health()
+					med_hud_set_status()
 
 /mob/living/simple_animal/hostile/guardian/healer/ToggleMode()
 	if(loc == summoner)

code/game/mecha/mecha.dm

@@ -98,8 +98,8 @@
 	log_message("[src] created.")
 	mechas_list += src //global mech list
 	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_set_mechhealth()
 	diag_hud_set_mechcell()
 	diag_hud_set_mechstat()

code/modules/mob/living/carbon/carbon.dm

@@ -2,20 +2,6 @@
 	var/canEnterVentWith = "/obj/item/weapon/implant=0&/obj/item/clothing/mask/facehugger=0&/obj/item/device/radio/borg=0&/obj/machinery/camera=0"
 	var/datum/middleClickOverride/middleClickOverride = null
 
-/mob/living/carbon/prepare_huds()
-	..()
-	prepare_data_huds()
-
-/mob/living/carbon/proc/prepare_data_huds()
-	..()
-	med_hud_set_health()
-	med_hud_set_status()
-
-/mob/living/carbon/updatehealth()
-	..()
-	med_hud_set_health()
-	med_hud_set_status()
-
 /mob/living/carbon/Destroy()
 	QDEL_LIST(internal_organs)
 	QDEL_LIST(stomach_contents)
@@ -23,7 +9,6 @@
 	if(B)
 		B.leave_host()
 		qdel(B)
-	remove_from_all_data_huds()
 	return ..()
 
 /mob/living/carbon/blob_act()

code/modules/mob/living/carbon/carbon_defines.dm

@@ -1,6 +1,5 @@
 /mob/living/carbon
 	gender = MALE
-	hud_possible = list(HEALTH_HUD,STATUS_HUD,SPECIALROLE_HUD)
 	var/list/stomach_contents = list()
 	var/list/internal_organs	= list()
 	var/list/internal_organs_slot	= list()	//Same as above, but stores "slot ID" - "organ" pairs for easy access.

code/modules/mob/living/death.dm

@@ -14,4 +14,7 @@
 		var/datum/soullink/S = s
 		S.sharerDies(gibbed, src)
 
+	med_hud_set_health()
+	med_hud_set_status()
+
 	..(gibbed)

code/modules/mob/living/living.dm

@@ -1,7 +1,22 @@
+/mob/living/New()
+	. = ..()
+	var/datum/atom_hud/data/human/medical/advanced/medhud = huds[DATA_HUD_MEDICAL_ADVANCED]
+	medhud.add_to_hud(src)
+
+/mob/living/prepare_huds()
+	..()
+	prepare_data_huds()
+
+/mob/living/proc/prepare_data_huds()
+	..()
+	med_hud_set_health()
+	med_hud_set_status()
+
 
 /mob/living/Destroy()
 	if(ranged_ability)
 		ranged_ability.remove_ranged_ability(src)
+	remove_from_all_data_huds()
 	return ..()
 
 /mob/living/ghostize(can_reenter_corpse = 1)
@@ -214,6 +229,7 @@
 		stat = CONSCIOUS
 		return
 	health = maxHealth - getOxyLoss() - getToxLoss() - getFireLoss() - getBruteLoss() - getCloneLoss()
+	med_hud_set_health()
 
 
 //This proc is used for mobs which are affected by pressure to calculate the amount of pressure that actually

code/modules/mob/living/living_defines.dm

@@ -64,3 +64,4 @@
 
 	var/list/recent_tastes = list()
 	var/blood_volume = 0 //how much blood the mob has
+	hud_possible = list(HEALTH_HUD,STATUS_HUD,SPECIALROLE_HUD)

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
 
@@ -44,6 +44,12 @@
 	add_language("Galactic Common")
 	init_subsystems()
 
+/mob/living/silicon/med_hud_set_health()
+	return //we use a different hud
+
+/mob/living/silicon/med_hud_set_status()
+	return //we use a different hud
+
 /mob/living/silicon/Destroy()
 	silicon_mob_list -= src
 	for(var/datum/alarm_handler/AH in alarm_handlers)
@@ -232,8 +238,8 @@
 	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.
@@ -75,6 +75,7 @@
 	var/control_freq = BOT_FREQ		// bot control frequency
 	var/bot_filter 				// The radio filter the bot uses to identify itself on the network.
 	var/bot_type = 0 //The type of bot it is, for radio control.
+	var/data_hud_type = DATA_HUD_DIAGNOSTIC //The type of data HUD the bot uses. Diagnostic by default.
 	//This holds text for what the bot is mode doing, reported on the remote bot control interface.
 	var/list/mode_name = list("In Pursuit","Preparing to Arrest", "Arresting", \
 	"Beginning Patrol", "Patrolling", "Summoned by PDA", \
@@ -82,7 +83,13 @@
 	"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 +137,7 @@
 
 /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 +159,24 @@
 			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/med_hud_set_health()
+	return //we use a different hud
+
+/mob/living/simple_animal/bot/med_hud_set_status()
+	return //we use a different hud
 
 /mob/living/simple_animal/bot/update_canmove(delay_action_updates = 0)
 	. = ..()
@@ -169,6 +187,10 @@
 /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 +468,14 @@ 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 +494,14 @@ 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 +518,7 @@ 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 +526,9 @@ 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 +538,7 @@ 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 +553,10 @@ 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 +621,7 @@ 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 +777,12 @@ 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 +799,7 @@ 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 +1043,64 @@ 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 +20,8 @@
 	bot_core = /obj/machinery/bot_core/secbot
 	window_id = "autoed209"
 	window_name = "Automatic Security Unit v2.6"
+	path_image_color = "#FF0000"
+	data_hud_type = DATA_HUD_SECURITY_ADVANCED
 
 	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 +19,8 @@
 	bot_core_type = /obj/machinery/bot_core/medbot
 	window_id = "automed"
 	window_name = "Automatic Medical Unit v1.1"
+	path_image_color = "#DDDDFF"
+	data_hud_type = DATA_HUD_MEDICAL_ADVANCED
 
 	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 +18,8 @@
 	bot_core_type = /obj/machinery/bot_core/secbot
 	window_id = "autosec"
 	window_name = "Automatic Security Unit v1.6"
+	path_image_color = "#FF0000"
+	data_hud_type = DATA_HUD_SECURITY_ADVANCED
 
 	var/base_icon = "secbot"
 	var/mob/living/carbon/target

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

@@ -106,6 +106,7 @@
 /mob/living/simple_animal/updatehealth()
 	..()
 	health = Clamp(health, 0, maxHealth)
+	med_hud_set_status()
 
 /mob/living/simple_animal/handle_hud_icons_health()
 	..()

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