Adds the ability to 'army crawl' as a component, also moves cortical borers hide ability to this component. (#29245)

* the whole PR

* The whole PR

* Update HUD_Glasses.dm

* puts it back as a component

* Update prone_mob.dm

* Update movement.dm

* Update mob_movement.dm

* Update prone_mob.dm

* fixes all the things I was told (I think)

---------

Co-authored-by: SpaceLoveSs13 <68121607+SpaceLoveSs13@users.noreply.github.com>

code/__DEFINES/~skyrat_defines/keybindings.dm

@@ -8,3 +8,4 @@
 #define COMSIG_KB_CLIENT_WHISPER_DOWN "keybinding_client_whisper_down"
 #define COMSIG_KB_LIVING_COMBAT_INDICATOR "keybinding_living_combat_indicator"
 #define COMSIG_KB_CARBON_TOGGLE_SAFETY "keybinding_carbon_toggle_safety"
+#define COMSIG_KB_MOVEMENT_ARMY_CRAWL_DOWN "keybinding_movement_army_crawl_down"

code/__DEFINES/~skyrat_defines/signals.dm

@@ -110,3 +110,5 @@
 
 /// Whenever we need the soulcatcher soul to communicate something.
 #define COMSIG_CARRIER_MOB_SAY "carrier_mob_communicate"
+//signal sent when a mob tries to de-prone
+#define COMSIG_MOVABLE_REMOVE_PRONE_STATE "living_remove_prone_state"

code/__DEFINES/~skyrat_defines/traits.dm

@@ -5,3 +5,5 @@
 #define SLIPPERY_MAX 9
 /// Permit hud clothing trait
 #define TRAIT_PERMIT_HUD "permit_hud"
+//for if we are army crawling or not
+#define TRAIT_PRONE "prone"

modular_skyrat/master_files/code/datums/components/prone_mob.dm

@@ -0,0 +1,42 @@
+/datum/component/prone_mob
+
+/datum/component/prone_mob/Initialize(mob/living/source)
+	. = ..()
+	if(!isliving(parent))
+		return COMPONENT_INCOMPATIBLE
+	source = parent
+	parent.add_traits(list(TRAIT_PRONE, TRAIT_FLOORED, TRAIT_NO_THROWING), type)
+	parent.add_traits(list(TRAIT_PRONE, TRAIT_FLOORED, TRAIT_NO_THROWING), type)
+	passtable_on(parent, type)
+	source.layer = PROJECTILE_HIT_THRESHHOLD_LAYER
+
+/datum/component/prone_mob/RegisterWithParent()
+	RegisterSignals(parent, list(COMSIG_MOVABLE_REMOVE_PRONE_STATE, COMSIG_LIVING_GET_PULLED), PROC_REF(stop_army_crawl))
+	RegisterSignals(parent, list(COMSIG_MOB_ATTACK_HAND, COMSIG_MOB_ITEM_ATTACK), PROC_REF(check_attack))
+	RegisterSignal(parent, COMSIG_LIVING_TRY_PULL, PROC_REF(check_pull))
+
+/datum/component/prone_mob/UnregisterFromParent()
+	UnregisterSignal(parent, list(
+		COMSIG_LIVING_GET_PULLED,
+		COMSIG_MOB_ATTACK_HAND,
+		COMSIG_MOB_ITEM_ATTACK,
+		COMSIG_LIVING_GET_PULLED,
+		COMSIG_LIVING_TRY_PULL
+		))
+	return ..()
+
+/datum/component/prone_mob/proc/check_attack(mob/living/source)
+	SIGNAL_HANDLER
+	return COMPONENT_CANCEL_ATTACK_CHAIN
+
+/datum/component/prone_mob/proc/check_pull(mob/living/source)
+	SIGNAL_HANDLER
+	return COMSIG_LIVING_CANCEL_PULL
+
+/datum/component/prone_mob/proc/stop_army_crawl(mob/living/source)
+	SIGNAL_HANDLER
+	source = parent
+	parent.remove_traits(list(TRAIT_PRONE, TRAIT_FLOORED, TRAIT_NO_THROWING), type)
+	passtable_off(parent, type)
+	source.layer = MOB_LAYER
+	qdel(src)

modular_skyrat/master_files/code/datums/keybinding/movement.dm

@@ -0,0 +1,14 @@
+/datum/keybinding/movement/army_crawl
+	hotkey_keys = list("K")
+	name = "prone"
+	full_name = "army crawl"
+	description = "lay yourself as close to the ground as possible after a short delay"
+	keybind_signal = COMSIG_KB_MOVEMENT_ARMY_CRAWL_DOWN
+
+/datum/keybinding/movement/army_crawl/down(client/user)
+	. = ..()
+	if(.)
+		return
+	var/mob/living/carbon/crawler = user.mob
+	if(istype(crawler, /mob/living/carbon))
+		crawler.army_crawl()

modular_skyrat/master_files/code/modules/mob/living/human/human.dm

@@ -0,0 +1,5 @@
+/mob/living/carbon/human/can_use_guns(obj/item/G)
+	. = ..()
+	if(HAS_TRAIT(src, TRAIT_PRONE))
+		to_chat(src, span_warning("You are crawling too low to used a ranged weapon!"))
+		return FALSE

modular_skyrat/master_files/code/modules/mob/mob_movement.dm

@@ -0,0 +1,21 @@
+/mob/living/carbon/verb/army_crawl()
+	set name = "Army Crawl"
+	set category = "IC"
+
+	var/mob/living/carbon/crawler = src
+
+	if(HAS_TRAIT(crawler, TRAIT_PRONE))
+		visible_message("[crawler] starts to get up")
+		if(!do_after(crawler, 3 SECONDS))
+			return
+		SEND_SIGNAL(crawler, COMSIG_MOVABLE_REMOVE_PRONE_STATE)
+	else
+		visible_message("[crawler] begins to lower themself further")
+		if(!do_after(crawler, 3 SECONDS, extra_checks = CALLBACK(crawler, PROC_REF(can_army_crawl))))
+			if(!crawler.resting)
+				balloon_alert(crawler, "must be laying down!")
+			return
+		crawler.AddComponent(/datum/component/prone_mob)
+
+/mob/living/carbon/proc/can_army_crawl()
+	return resting

modular_skyrat/modules/cortical_borer/code/abilities/_borer_abilities.dm

@@ -392,15 +392,15 @@
 	if(!.)
 		return FALSE
 	var/mob/living/basic/cortical_borer/cortical_owner = owner
-	if(owner.layer == PROJECTILE_HIT_THRESHHOLD_LAYER)
+	if(HAS_TRAIT(cortical_owner, TRAIT_PRONE))
+		SEND_SIGNAL(cortical_owner, COMSIG_MOVABLE_REMOVE_PRONE_STATE)
 		cortical_owner.upgrade_flags &= ~BORER_HIDING
 		owner.balloon_alert(owner, "stopped hiding")
-		owner.layer = BELOW_MOB_LAYER
 		StartCooldown()
 		return
 	cortical_owner.upgrade_flags |= BORER_HIDING
 	owner.balloon_alert(owner, "started hiding")
-	owner.layer = PROJECTILE_HIT_THRESHHOLD_LAYER
+	cortical_owner.AddComponent(/datum/component/prone_mob)
 	StartCooldown()
 
 //to paralyze people

tgstation.dme

@@ -6494,6 +6494,7 @@
 #include "modular_skyrat\master_files\code\datums\components\fullauto.dm"
 #include "modular_skyrat\master_files\code\datums\components\grillable.dm"
 #include "modular_skyrat\master_files\code\datums\components\leash.dm"
+#include "modular_skyrat\master_files\code\datums\components\prone_mob.dm"
 #include "modular_skyrat\master_files\code\datums\components\shielded_suit.dm"
 #include "modular_skyrat\master_files\code\datums\components\tippable.dm"
 #include "modular_skyrat\master_files\code\datums\greyscale\config_types\greyscale_configs.dm"
@@ -6501,6 +6502,7 @@
 #include "modular_skyrat\master_files\code\datums\id_trim\solfed.dm"
 #include "modular_skyrat\master_files\code\datums\id_trim\syndicate.dm"
 #include "modular_skyrat\master_files\code\datums\keybinding\mob.dm"
+#include "modular_skyrat\master_files\code\datums\keybinding\movement.dm"
 #include "modular_skyrat\master_files\code\datums\mind\_mind.dm"
 #include "modular_skyrat\master_files\code\datums\mood_events\drink_events.dm"
 #include "modular_skyrat\master_files\code\datums\mood_events\generic_negative_events.dm"
@@ -6763,6 +6765,7 @@
 #include "modular_skyrat\master_files\code\modules\mining\equipment\kinetic_crusher.dm"
 #include "modular_skyrat\master_files\code\modules\mining\equipment\kinetic_gauntlets.dm"
 #include "modular_skyrat\master_files\code\modules\mob\login.dm"
+#include "modular_skyrat\master_files\code\modules\mob\mob_movement.dm"
 #include "modular_skyrat\master_files\code\modules\mob\dead\new_player\latejoin_menu.dm"
 #include "modular_skyrat\master_files\code\modules\mob\dead\new_player\preferences_setup.dm"
 #include "modular_skyrat\master_files\code\modules\mob\living\blood.dm"
@@ -6782,6 +6785,7 @@
 #include "modular_skyrat\master_files\code\modules\mob\living\carbon\human\species_type\lizardpeople.dm"
 #include "modular_skyrat\master_files\code\modules\mob\living\carbon\human\species_type\podpeople.dm"
 #include "modular_skyrat\master_files\code\modules\mob\living\carbon\human\species_type\snail.dm"
+#include "modular_skyrat\master_files\code\modules\mob\living\human\human.dm"
 #include "modular_skyrat\master_files\code\modules\mob\living\human\species.dm"
 #include "modular_skyrat\master_files\code\modules\mob\living\human\species_types\ethereal.dm"
 #include "modular_skyrat\master_files\code\modules\mob\living\human\species_types\flypeople.dm"