The revival of Dullahans! + Ventriloquism! (#10093)

* tgstation/tgstation#48633

* makes em undead

* tgstation/tgstation#63696

* tgstation/tgstation#63143

* tgstation/tgstation#63939

* 515

* add back INVESTIGATE_DEATHS to dulla

code/__DEFINES/dcs/signals/signals_atom/signals_atom.dm

@@ -120,6 +120,7 @@
 ///! from the base of atom/intercept_teleport: (channel, turf/origin, turf/destination)
 #define COMSIG_ATOM_INTERCEPT_TELEPORT "intercept_teleport"
 	#define COMPONENT_BLOCK_TELEPORT 1
+#define COMSIG_ATOM_HEARER_IN_VIEW "atom_hearer_in_view" //called when an atom is added to the hearers on get_hearers_in_view(): (list/processing_list, list/hearers)
 ///called when an atom starts orbiting another atom: (atom)
 #define COMSIG_ATOM_ORBIT_BEGIN "atom_orbit_begin"
 /// called when an atom stops orbiting another atom: (atom)
@@ -144,7 +145,8 @@
 
 /////////////////
 #define COMSIG_CLICK "atom_click"								//! from base of atom/Click(): (location, control, params, mob/user)
-#define COMSIG_CLICK_SHIFT "shift_click"						//! from base of atom/ShiftClick(): (/mob)
+#define COMSIG_CLICK_SHIFT "shift_click"						//from base of atom/ShiftClick(): (/mob)
+	#define COMPONENT_ALLOW_EXAMINATE 1 //Allows the user to examinate regardless of client.eye.
 #define COMSIG_CLICK_CTRL "ctrl_click"							//! from base of atom/CtrlClickOn(): (/mob)
 #define COMSIG_CLICK_ALT "alt_click"							//! from base of atom/AltClick(): (/mob)
 	#define COMPONENT_INTERCEPT_ALT 1

code/__DEFINES/dcs/signals/signals_mob/signals_mob.dm

@@ -56,6 +56,8 @@
 	#define SPEECH_LANGUAGE 5
 	#define SPEECH_IGNORE_SPAM 6
 	#define SPEECH_FORCED 7 */
+	#define SPEECH_RANGE 8
+
 #define COMSIG_MOB_EMOTE "mob_emote" // from /mob/living/emote(): ()
 #define COMSIG_MOB_SWAP_HANDS "mob_swap_hands"        //from base of mob/swap_hand()
 	#define COMPONENT_BLOCK_SWAP 1

code/__DEFINES/is_helpers.dm

@@ -96,6 +96,7 @@ GLOBAL_LIST_INIT(turfs_without_ground, typecacheof(list(
 #define iscatperson(A) (is_species(A, /datum/species/human/felinid) )
 #define isethereal(A) (is_species(A, /datum/species/ethereal))
 #define isvampire(A) (is_species(A,/datum/species/vampire))
+#define isdullahan(A) (is_species(A, /datum/species/dullahan))
 #define isipc(A) (is_species(A, /datum/species/ipc))
 #define isapid(A) (is_species(A, /datum/species/apid))
 #define isandroid(A) (is_species(A, /datum/species/android))

code/_onclick/click.dm

@@ -318,8 +318,8 @@
 	A.ShiftClick(src)
 	return
 /atom/proc/ShiftClick(mob/user)
-	SEND_SIGNAL(src, COMSIG_CLICK_SHIFT, user)
-	if(user.client && user.client.eye == user || user.client.eye == user.loc)
+	var/flags = SEND_SIGNAL(user, COMSIG_CLICK_SHIFT, src)
+	if(user.client && (user.client.eye == user || user.client.eye == user.loc || flags & COMPONENT_ALLOW_EXAMINATE))
 		user.examinate(src)
 	return
 

code/game/machinery/recycler.dm

@@ -121,7 +121,7 @@
 		var/atom/movable/AM = i
 		var/obj/item/bodypart/head/as_head = AM
 		var/obj/item/mmi/as_mmi = AM
-		var/brain_holder = istype(AM, /obj/item/organ/brain) || (istype(as_head) && as_head.brain) || (istype(as_mmi) && as_mmi.brain) || istype(AM, /mob/living/brain)
+		var/brain_holder = istype(AM, /obj/item/organ/brain) || (istype(as_head) && as_head.brain) || (istype(as_mmi) && as_mmi.brain) || isbrain(AM) || istype(AM, /obj/item/dullahan_relay)
 		if(brain_holder)
 			emergency_stop(AM)
 		else if(isliving(AM))

code/game/say.dm

@@ -19,15 +19,15 @@ GLOBAL_LIST_INIT(freqtospan, list(
 	"[FREQ_CTF_BLUE]" = "blueteamradio"
 	))
 
-/atom/movable/proc/say(message, bubble_type, var/list/spans = list(), sanitize = TRUE, datum/language/language = null, ignore_spam = FALSE, forced = null, atom/source=src)
+/atom/movable/proc/say(message, bubble_type, var/list/spans = list(), sanitize = TRUE, datum/language/language = null, ignore_spam = FALSE, forced = null, range = 7, atom/source=src)
 	if(!can_speak())
 		return
 	if(message == "" || !message)
 		return
 	spans |= speech_span
 	if(!language)
 		language = get_selected_language()
-	send_speech(message, 7, source, , spans, message_language=language)
+	send_speech(message, range, source, , spans, message_language=language)
 
 /atom/movable/proc/Hear(message, atom/movable/speaker, message_language, raw_message, radio_freq, list/spans, list/message_mods = list())
 	SEND_SIGNAL(src, COMSIG_MOVABLE_HEAR, args)

code/modules/mob/living/brain/brain_item.dm

@@ -21,8 +21,9 @@
 	var/suicided = FALSE
 	var/mob/living/brain/brainmob = null
 	var/brain_death = FALSE //if the brainmob was intentionally killed by attacking the brain after removal, or by severe braindamage
-	var/decoy_override = FALSE	//if it's a fake brain with no brainmob assigned. Feedback messages will be faked as if it does have a brainmob. See changelings & dullahans.
-	//two variables necessary for calculating whether we get a brain trauma or not
+	/// If it's a fake brain with no brainmob assigned. Feedback messages will be faked as if it does have a brainmob. See changelings & dullahans.
+	var/decoy_override = FALSE
+	/// Two variables necessary for calculating whether we get a brain trauma or not
 	var/damage_delta = 0
 
 	var/list/datum/brain_trauma/traumas = list()

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

@@ -137,6 +137,12 @@
 		INVOKE_ASYNC(C, TYPE_PROC_REF(/obj/vehicle/sealed/car, RunOver), src)
 	spreadFire(AM)
 
+/mob/living/carbon/human/reset_perspective(atom/new_eye, force_reset = FALSE)
+	if(dna?.species?.prevent_perspective_change && !force_reset) // This is in case a species needs to prevent perspective changes in certain cases, like Dullahans preventing perspective changes when they're looking through their head.
+		update_fullscreen()
+		return
+	return ..()
+
 /mob/living/carbon/human/Topic(href, href_list)
 	if(href_list["embedded_object"] && usr.canUseTopic(src, BE_CLOSE, NO_DEXTERITY))
 		var/obj/item/bodypart/L = locate(href_list["embedded_limb"]) in bodyparts

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

@@ -156,6 +156,9 @@ GLOBAL_LIST_EMPTY(features_by_species)
 	// Species specific bitflags. Used for things like if the race is unable to become a changeling.
 	var/species_bitflags = NONE
 
+	/// Do we try to prevent reset_perspective() from working? Useful for Dullahans to stop perspective changes when they're looking through their head.
+	var/prevent_perspective_change = FALSE
+
 ///////////
 // PROCS //
 ///////////
@@ -2498,6 +2501,19 @@ GLOBAL_LIST_EMPTY(features_by_species)
 /datum/species/proc/prepare_human_for_preview(mob/living/carbon/human/human)
 	return
 
+/**
+ * Owner login
+ */
+
+/**
+ * A simple proc to be overwritten if something needs to be done when a mob logs in. Does nothing by default.
+ *
+ * Arguments:
+ * * owner - The owner of our species.
+ */
+/datum/species/proc/on_owner_login(mob/living/carbon/human/owner)
+	return
+
 /**
  * Gets a short description for the specices. Should be relatively succinct.
  * Used in the preference menu.