Makes playing cards playable -- significantly reworks card interactions

code/__DEFINES/dcs/atom_signals.dm

@@ -189,3 +189,5 @@
 	#define COMPONENT_NO_MOUSEDROP (1<<0)
 ///from base of atom/MouseDrop_T: (/atom/from, /mob/user)
 #define COMSIG_MOUSEDROPPED_ONTO "mousedropped_onto"
+/// On a ranged attack: base of mob/living/carbon/human/RangedAttack (/mob/living/carbon/human)
+#define COMSIG_ATOM_RANGED_ATTACKED "atom_range_attacked"

code/__DEFINES/is_helpers.dm

@@ -74,6 +74,8 @@
 
 #define isstack(I) (istype(I, /obj/item/stack))
 
+#define istable(S) (istype(S, /obj/structure/table))
+
 GLOBAL_LIST_INIT(pointed_types, typecacheof(list(
 	/obj/item/pen,
 	/obj/item/screwdriver,

code/__HELPERS/trait_helpers.dm

@@ -237,6 +237,7 @@ Remember to update _globalvars/traits.dm if you're adding/removing/renaming trai
 #define TRAIT_ABSTRACT_HANDS "abstract_hands" // Mobs with this trait can only pick up abstract items.
 #define TRAIT_LANGUAGE_LOCKED "language_locked" // cant add/remove languages until removed (excludes babel because fuck everything i guess)
 #define TRAIT_HAS_IV_BAG "iv_bag" // Used to check if there is an active IV bag. Currently blocks another IV bags from being inserted.
+#define TRAIT_PLAYING_CARDS "playing_cards"
 
 //***** MIND TRAITS *****/
 #define TRAIT_HOLY "is_holy" // The mob is holy in regards to religion

code/_onclick/other_mobs.dm

@@ -46,6 +46,7 @@
 		if(istype(G) && G.Touch(A, 0)) // for magic gloves
 			return
 
+
 	if(HAS_TRAIT(src, TRAIT_LASEREYES) && a_intent == INTENT_HARM)
 		LaserEyes(A)
 
@@ -55,6 +56,8 @@
 	if(isturf(A) && get_dist(src, A) <= 1)
 		Move_Pulled(A)
 
+	SEND_SIGNAL(A, COMSIG_ATOM_RANGED_ATTACKED, src)
+
 /*
 	Animals & All Unspecified
 */

code/datums/components/proximity_monitor.dm

@@ -286,3 +286,159 @@
 	. = ..()
 	if(active && AM != monitor.hasprox_receiver && !(AM in monitor.nested_receiver_locs))
 		monitor.hasprox_receiver.HasProximity(AM)
+
+/// A custom proximity monitor used for tracking players around a table of cards.
+
+/datum/component/proximity_monitor/table
+	/// How far away you can be (in terms of table squares).
+	var/max_table_distance
+	/// How far away you can be (euclidean distance).
+	var/max_total_distance
+	/// The UID of the deck
+	var/deck_uid
+	/// Whether the monitors created should be visible. Used for debugging.
+	var/monitors_visible = FALSE
+
+/datum/component/proximity_monitor/table/Initialize(_radius = 1, _always_active = FALSE, _max_table_distance = 5)
+	max_table_distance = _max_table_distance
+	max_total_distance = _max_table_distance
+	. = ..(_radius, _always_active)
+	if(istype(parent, /obj/item/deck))
+		// this is important for tracking traits and attacking multiple cards. so it's not a true UID, sue me
+		var/obj/item/deck/D = parent
+		deck_uid = D.main_deck_id
+	else
+		deck_uid = parent.UID()
+	refresh()
+
+/datum/component/proximity_monitor/table/proc/refresh()
+	var/list/tables = list()
+	var/list/prox_mon_spots = list()
+	crawl_along(get_turf(parent), tables, prox_mon_spots, 0)
+	QDEL_LIST_CONTENTS(proximity_checkers)
+	create_prox_checkers()
+
+/// Crawl along an extended table, and return a list of all turfs that we should start tracking.
+/datum/component/proximity_monitor/table/proc/crawl_along(turf/current_turf, list/visited_tables = list(), list/prox_mon_spots = list(), distance_from_start)
+	var/obj/structure/current_table = locate(/obj/structure/table) in current_turf
+
+	if(!current_table)
+		// if there's no table here, we're still adjacent to a table, so this is a spot you could play from
+		prox_mon_spots |= current_turf
+		return
+
+
+	if(current_table in visited_tables)
+		return
+
+	visited_tables |= current_table
+	prox_mon_spots |= current_turf
+
+
+	if(distance_from_start + 1 > max_table_distance)
+		return
+
+	for(var/direction in GLOB.alldirs)
+		var/turf/next_turf = get_step(current_table, direction)
+		if(get_dist_euclidian(get_turf(parent), next_turf) > max_total_distance)
+			continue
+		crawl_along(next_turf, visited_tables, prox_mon_spots, distance_from_start + 1)
+
+/datum/component/proximity_monitor/table/create_prox_checkers()
+	var/list/tables = list()
+	var/list/prox_mon_spots = list()
+	if(length(proximity_checkers))
+		QDEL_LIST_CONTENTS(proximity_checkers)
+
+	var/atom/movable/atom_parent = parent
+
+	// if we don't have a parent, just treat it normally
+	if(!isturf(atom_parent.loc) || !locate(/obj/structure/table) in get_turf(parent))
+		return
+
+
+	LAZYINITLIST(proximity_checkers)
+	crawl_along(get_turf(parent), tables, prox_mon_spots, 0)
+	// var/turf/parent_turf = get_turf(parent)
+	// For whatever reason their turf is null. Create the checkers in nullspace for now. When the parent moves to a valid turf, they can be recenetered.
+	for(var/T in prox_mon_spots)
+		create_single_prox_checker(T, /obj/effect/abstract/proximity_checker/table)
+
+	for(var/atom/table in tables)
+		RegisterSignal(table, COMSIG_PARENT_QDELETING, PROC_REF(on_table_qdel), TRUE)
+
+/datum/component/proximity_monitor/table/on_receiver_move(datum/source, atom/old_loc, dir)
+	create_prox_checkers()
+
+/datum/component/proximity_monitor/table/RegisterWithParent()
+	if(ismovable(hasprox_receiver))
+		RegisterSignal(hasprox_receiver, COMSIG_MOVABLE_MOVED, PROC_REF(on_receiver_move))
+
+/datum/component/proximity_monitor/table/proc/on_table_qdel()
+	SIGNAL_HANDLER  // COMSIG_PARENT_QDELETED
+	create_prox_checkers()
+
+/obj/effect/abstract/proximity_checker/table
+	/// The UID for the deck, used in the setting and removal of traits
+	var/deck_uid
+
+/obj/effect/abstract/proximity_checker/table/Initialize(mapload, datum/component/proximity_monitor/table/P)
+	. = ..()
+	deck_uid = P.deck_uid
+	// catch any mobs on our tile
+	for(var/mob/living/L in get_turf(src))
+		register_on_mob(L)
+
+	if(P.monitors_visible)
+		icon = 'icons/obj/playing_cards.dmi'
+		icon_state = "tarot_the_unknown"
+		invisibility = INVISIBILITY_MINIMUM
+		layer = MOB_LAYER
+
+/obj/effect/abstract/proximity_checker/table/Destroy()
+
+	var/obj/effect/abstract/proximity_checker/table/same_monitor
+	for(var/obj/effect/abstract/proximity_checker/table/mon in get_turf(src))
+		if(mon != src && mon.deck_uid == src)
+			// if we have another monitor on our space that shares our deck,
+			// transfer the signals to it.
+			same_monitor = mon
+
+	for(var/mob/living/L in get_turf(src))
+		remove_from_mob(L)
+		if(!isnull(same_monitor))
+			same_monitor.register_on_mob(L)
+	return ..()
+
+
+/obj/effect/abstract/proximity_checker/table/proc/register_on_mob(mob/living/L)
+	ADD_TRAIT(L, TRAIT_PLAYING_CARDS, "deck_[deck_uid]")
+	RegisterSignal(L, COMSIG_MOVABLE_MOVED, PROC_REF(on_move_from_monitor), TRUE)
+	RegisterSignal(L, COMSIG_PARENT_QDELETING, PROC_REF(remove_from_mob), TRUE)
+
+
+/obj/effect/abstract/proximity_checker/table/proc/remove_from_mob(mob/living/L)
+	if(QDELETED(L))
+		return
+	// otherwise, clean up
+	REMOVE_TRAIT(L, TRAIT_PLAYING_CARDS, "deck_[deck_uid]")
+	UnregisterSignal(L, COMSIG_MOVABLE_MOVED)
+
+/obj/effect/abstract/proximity_checker/table/Crossed(atom/movable/AM, oldloc)
+	if(!isliving(AM))
+		return
+
+	var/mob/mover = AM
+
+	// This should hopefully ensure that multiple decks around each other don't overlap
+	register_on_mob(mover)
+
+/obj/effect/abstract/proximity_checker/table/proc/on_move_from_monitor(atom/movable/tracked, atom/old_loc)
+	SIGNAL_HANDLER  // COMSIG_MOVABLE_MOVED
+	for(var/obj/effect/abstract/proximity_checker/table/mon in get_turf(tracked))
+		// if we're moving onto a turf that shares our stuff, keep the signals and stuff registered
+		if(mon.deck_uid == deck_uid)
+			return
+
+	// otherwise, clean up
+	remove_from_mob(tracked)

code/game/gamemodes/wizard/magic_tarot.dm

@@ -234,23 +234,41 @@
 /obj/item/magic_tarot_card/proc/pre_activate(mob/user)
 	has_been_activated = TRUE
 	forceMove(user)
-	var/obj/effect/temp_visual/tarot_preview/draft = new /obj/effect/temp_visual/tarot_preview(user, our_tarot.card_icon)
+	var/obj/effect/temp_visual/card_preview/tarot/draft = new /obj/effect/temp_visual/card_preview/tarot(user, "tarot_[our_tarot.card_icon]")
 	user.vis_contents += draft
 	user.visible_message("<span class='hierophant'>[user] holds up [src]!</span>")
 	addtimer(CALLBACK(our_tarot, TYPE_PROC_REF(/datum/tarot, activate), user), 0.5 SECONDS)
 	QDEL_IN(src, 0.6 SECONDS)
 
-/obj/effect/temp_visual/tarot_preview
-	name = "a tarot card"
+/obj/effect/temp_visual/card_preview
+	name = "a card"
 	icon = 'icons/obj/playing_cards.dmi'
-	icon_state = "tarot_the_unknown"
 	pixel_y = 20
 	duration = 1.5 SECONDS
 
-/obj/effect/temp_visual/tarot_preview/Initialize(atom/mapload, new_icon_state)
+/obj/effect/temp_visual/card_preview/Initialize(atom/mapload, new_icon_state)
 	. = ..()
 	if(new_icon_state)
-		icon_state = "tarot_[new_icon_state]"
+		icon_state = new_icon_state
+
+	flourish()
+
+/obj/effect/temp_visual/card_preview/proc/flourish()
+	var/new_filter = isnull(get_filter("ray"))
+	ray_filter_helper(1, 40,"#fcf3dc", 6, 20)
+	if(new_filter)
+		animate(get_filter("ray"), alpha = 0, offset = 10, time = duration, loop = -1)
+		animate(offset = 0, time = duration)
+	// todo this is literally just the tarot stuff copy pasted
+
+/obj/effect/temp_visual/card_preview/tarot
+	name = "a tarot card"
+	icon = 'icons/obj/playing_cards.dmi'
+	icon_state = "tarot_the_unknown"
+	pixel_y = 20
+	duration = 1.5 SECONDS
+
+/obj/effect/temp_visual/card_preview/tarot/flourish()
 	var/new_filter = isnull(get_filter("ray"))
 	ray_filter_helper(1, 40,"#fcf3dc", 6, 20)
 	if(new_filter)