Facehugger refactor

code/__DEFINES/dcs/signals.dm

@@ -151,6 +151,9 @@
 #define COMSIG_HUMAN_CLEAR_BLOODY_FEET "human_clear_bloody_feet"
 /// from /mob/living/carbon/human/attack_alien()
 #define COMSIG_HUMAN_ALIEN_ATTACK "human_alien_attack"
+/// From /obj/item/clothing/mask/facehugger/proc/impregnate(): (obj/item/clothing/mask/facehugger/hugger)
+#define COMSIG_HUMAN_IMPREGNATE "human_impregnate"
+	#define COMPONENT_NO_IMPREGNATE (1<<0)
 
 /// from /mob/living/carbon/Xenomorph/attack_alien()
 #define COMSIG_XENO_ALIEN_ATTACK "xeno_alien_attack"

code/__DEFINES/subsystem.dm

@@ -112,7 +112,8 @@
 #define SS_PRIORITY_HIVE_STATUS    111
 #define SS_PRIORITY_VOTE           110
 #define SS_PRIORITY_FAST_OBJECTS   105
-#define SS_PRIORITY_OBJECTS        100
+#define SS_PRIORITY_OBJECTS        104
+#define SS_PRIORITY_FACEHUGGERS    100
 #define SS_PRIORITY_DECORATOR	   99
 #define SS_PRIORITY_POWER          95
 #define SS_PRIORITY_MACHINERY      90

code/controllers/subsystem/processing/hive_status.dm

@@ -1,5 +1,5 @@
 PROCESSING_SUBSYSTEM_DEF(hive_status)
 	name = "Hive Status"
-	priority = SS_PRIORITY_OBJECTS
+	priority = SS_PRIORITY_HIVE_STATUS
 	flags = SS_NO_INIT|SS_POST_FIRE_TIMING
 	wait = 2 SECONDS

code/game/objects/items.dm

@@ -203,7 +203,8 @@ cases. Override_icon_state should be a list.*/
 		to_chat(user, desc)
 
 /obj/item/attack_hand(mob/user)
-	if (!user) return
+	if (!user)
+		return
 
 	if(anchored)
 		to_chat(user, "[src] is anchored to the ground.")

code/game/objects/structures/lamarr_cage.dm

@@ -83,8 +83,9 @@
 	sterile = 1
 	gender = FEMALE
 
-/obj/item/clothing/mask/facehugger/lamarr/Die()
-	if(stat == DEAD) return
+/obj/item/clothing/mask/facehugger/lamarr/die()
+	if(stat == DEAD)
+		return
 
 	icon_state = "[initial(icon_state)]_dead"
 	stat = DEAD
@@ -98,4 +99,3 @@
 
 	layer = BELOW_MOB_LAYER //so dead hugger appears below live hugger if stacked on same tile.
 	//override function prevents Lamarr from decaying like other huggers so you can keep it in your helmet, otherwise the code is identical.
-	return

code/modules/cm_aliens/structures/egg.dm

@@ -133,7 +133,7 @@
 			if(instant_trigger)
 				child.leap_at_nearest_target()
 			else
-				child.GoIdle()
+				child.go_idle()
 
 /obj/effect/alien/egg/proc/replace_triggers()
 	if(isnull(loc) || status == EGG_DESTROYED)
@@ -225,7 +225,7 @@
 
 /obj/effect/alien/egg/HasProximity(atom/movable/AM as mob|obj)
 	if(status == EGG_GROWN)
-		if(!CanHug(AM, hivenumber) || isYautja(AM) || isSynth(AM)) //Predators are too stealthy to trigger eggs to burst. Maybe the huggers are afraid of them.
+		if(!can_hug(AM, hivenumber) || isYautja(AM) || isSynth(AM)) //Predators are too stealthy to trigger eggs to burst. Maybe the huggers are afraid of them.
 			return
 		Burst(FALSE, TRUE, null)
 

code/modules/cm_aliens/structures/special/egg_morpher.dm

@@ -148,7 +148,7 @@
 	if (!linked_hive)
 		return
 
-	if(!CanHug(AM, linked_hive.hivenumber))
+	if(!can_hug(AM, linked_hive.hivenumber))
 		return
 
 	stored_huggers = max(0, stored_huggers - 1)

code/modules/cm_aliens/structures/trap.dm

@@ -47,7 +47,7 @@
 
 /obj/effect/alien/resin/trap/proc/facehugger_die()
 	var/obj/item/clothing/mask/facehugger/FH = new (loc)
-	FH.Die()
+	FH.die()
 	trap_type = RESIN_TRAP_EMPTY
 	icon_state = "trap0"
 
@@ -77,7 +77,7 @@
 /obj/effect/alien/resin/trap/HasProximity(atom/movable/AM)
 	switch(trap_type)
 		if(RESIN_TRAP_HUGGER)
-			if(CanHug(AM, hivenumber) && !isYautja(AM) && !isSynth(AM))
+			if(can_hug(AM, hivenumber) && !isYautja(AM) && !isSynth(AM))
 				var/mob/living/L = AM
 				L.visible_message(SPAN_WARNING("[L] trips on [src]!"),\
 								SPAN_DANGER("You trip on [src]!"))

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

@@ -14,9 +14,9 @@
 	var/pulse = PULSE_NORM	//current pulse level
 	var/butchery_progress = 0
 	var/list/internal_organs = list()
-	var/huggable = TRUE //can apply Facehuggers (still checks proc/CanHug())
+	var/huggable = TRUE //can apply Facehuggers (still checks proc/can_hug())
 
 	//blood.dm
 	blood_volume = BLOOD_VOLUME_NORMAL
 
-	var/hivenumber
+	var/hivenumber

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

@@ -283,12 +283,17 @@
 
 /datum/species/proc/handle_post_spawn(var/mob/living/carbon/human/H) //Handles anything not already covered by basic species assignment.
 	add_inherent_verbs(H)
+	apply_signals(H)
 
 	if(icobase_source)
 		icobase = get_icon_from_source(icobase_source)
 	if(deform_source)
 		deform = get_icon_from_source(deform_source)
 
+/// Apply signals to the human
+/datum/species/proc/apply_signals(var/mob/living/carbon/human/H)
+	return
+
 /datum/species/proc/handle_death(var/mob/living/carbon/human/H) //Handles any species-specific death events.
 /*
 	if(flags & IS_SYNTHETIC)

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

@@ -45,6 +45,13 @@
 	GLOB.alive_human_list -= H
 	return ..()
 
+/datum/species/synthetic/apply_signals(var/mob/living/carbon/human/H)
+	RegisterSignal(H, COMSIG_HUMAN_IMPREGNATE, .proc/cancel_impregnate)
+
+/datum/species/synthetic/proc/cancel_impregnate(datum/source)
+	SIGNAL_HANDLER
+	return COMPONENT_NO_IMPREGNATE
+
 /datum/species/synthetic/second_gen_synthetic
 	name = "Second Generation Synthetic"
 	uses_ethnicity = FALSE //2nd gen uses generic human look
@@ -67,6 +74,6 @@
 	hair_color = "#000000"
 
 	knock_down_reduction = 3.5
-	stun_reduction = 3.5 
+	stun_reduction = 3.5
 
 	inherent_verbs = null

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

@@ -221,12 +221,12 @@
 	if(istype(X.r_hand, /obj/item/clothing/mask/facehugger))
 		var/obj/item/clothing/mask/facehugger/FH = X.r_hand
 		if(FH.stat != DEAD)
-			FH.Die()
+			FH.die()
 
 	if(istype(X.l_hand, /obj/item/clothing/mask/facehugger))
 		var/obj/item/clothing/mask/facehugger/FH = X.l_hand
 		if(FH.stat != DEAD)
-			FH.Die()
+			FH.die()
 
 	playsound(X.loc, X.screech_sound_effect, 75, 0, status = 0)
 	X.visible_message(SPAN_XENOHIGHDANGER("[X] emits an ear-splitting guttural roar!"))