Adds a new mecha-fauna to lavaland. Ready to TM (#17999)

* pain

* more progress

* progress continues

* more progress™️

* saving progress while I swap brances

* leg moving working for real, woo

* more saving as power goes out

* eeven more

* fix transfer

* More changes, closer to pr ready

* final stuff for night backup

* almost done™️

* almost done

* Final changes to get ready for posting

* Update code/modules/mob/living/simple_animal/hostile/megafauna/ancient_robot.dm

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

* new sprite

* Loot added (minus crusher loot)

* Apply suggestions from code review

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

* Defines, loot, and requested changes, oh my!

* Apply suggestions from code review

Co-authored-by: Sirryan2002 <80364400+Sirryan2002@users.noreply.github.com>

* sound, bluespace charge improvements, more text

* Update code/game/gamemodes/nuclear/pinpointer.dm

Co-authored-by: Sirryan2002 <80364400+Sirryan2002@users.noreply.github.com>

* WOOO CRUSHER ITEM

* don't code when dead tired kids

* Update code/modules/mob/living/simple_animal/hostile/megafauna/ancient_robot.dm

Co-authored-by: Sirryan2002 <80364400+Sirryan2002@users.noreply.github.com>

* Makes crusher loot work, reworks shield for mecha fauna

* Names it, lets it spawn, buffs it, should be ready.

* Adds better sprites.

* pick to rand

* Buff, prevent cheese.

* Merge conflict hook test

* double checking to see if I installed it or not, think I need to manual

* fixes the merge issue

* makes gibtonite not yeet the mechafauna as much.

* fixes hostile/hostile fuckup

* fix most beam issues

* extra qdel insurance but it should be good

* fixes chasm issues, beep on self destruct, extra bluspace charge

* Shrinks the kaboom.

* spelling + beam fix

* Apply suggestions from code review

Co-authored-by: Charlie <69320440+hal9000PR@users.noreply.github.com>

* late_initialize, var names, and styling, oh my!

* attacl

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>
Co-authored-by: Sirryan2002 <80364400+Sirryan2002@users.noreply.github.com>
Co-authored-by: Charlie <69320440+hal9000PR@users.noreply.github.com>

code/game/gamemodes/nuclear/pinpointer.dm

@@ -6,6 +6,7 @@
 #define MODE_OPERATIVE 5
 #define MODE_CREW 6
 #define MODE_DET 7
+#define MODE_TENDRIL 8
 #define SETTING_DISK 0
 #define SETTING_LOCATION 1
 #define SETTING_OBJECT 2
@@ -87,6 +88,8 @@
 			return "You point the pinpointer to the nearest operative."
 		if(MODE_CREW)
 			return "You turn on the pinpointer."
+		if(MODE_TENDRIL)
+			return "High energy scanner active"
 
 /obj/item/pinpointer/proc/activate_mode(mode, mob/user) //for crew pinpointer
 	return
@@ -459,6 +462,49 @@
 	var/turf/there = get_turf(H)
 	return istype(there) && istype(here) && there.z == here.z
 
+/obj/item/pinpointer/tendril
+	name = "ancient scanning unit"
+	desc = "Convenient that the scanning unit for the robot survived. Seems to point to the tendrils around here."
+	icon_state = "pinoff_ancient"
+	icon_off = "pinoff_ancient"
+	icon_null = "pinonnull_ancient"
+	icon_direct = "pinondirect_ancient"
+	icon_close = "pinonclose_ancient"
+	icon_medium = "pinonmedium_ancient"
+	icon_far = "pinonfar_ancient"
+	modes = list(MODE_TENDRIL)
+	var/obj/structure/spawner/lavaland/target
+
+/obj/item/pinpointer/tendril/process()
+	if(mode == MODE_TENDRIL)
+		worktendril()
+		point_at(target, FALSE)
+	else
+		icon_state = icon_off
+
+/obj/item/pinpointer/tendril/proc/worktendril()
+	if(mode == MODE_TENDRIL)
+		scan_for_tendrils()
+		point_at(target)
+	else
+		return FALSE
+
+/obj/item/pinpointer/tendril/proc/scan_for_tendrils()
+	if(mode == MODE_TENDRIL)
+		target = null //Resets nearest_op every time it scans
+		var/closest_distance = 1000
+		for(var/obj/structure/spawner/lavaland/T in GLOB.tendrils)
+			var/temp_distance = get_dist(T, get_turf(src))
+			if(temp_distance < closest_distance)
+				target = T
+				closest_distance = temp_distance
+
+/obj/item/pinpointer/tendril/examine(mob/user)
+	. = ..()
+	if(mode == MODE_TENDRIL)
+		. += "Number of high energy signatures remaining: [length(GLOB.tendrils)]"
+
+
 #undef MODE_OFF
 #undef MODE_DISK
 #undef MODE_NUKE
@@ -466,6 +512,7 @@
 #undef MODE_SHIP
 #undef MODE_OPERATIVE
 #undef MODE_CREW
+#undef MODE_TENDRIL
 #undef SETTING_DISK
 #undef SETTING_LOCATION
 #undef SETTING_OBJECT