[PTBF] Hallucination: The Backrooms (#27710)

* add backrooms hallucination

* mapmerge

* fix some backrooms issues and add some error handling stuff

* change backrooms carpet

* remove code that isn't doing anything

* tick new backrooms file

* try a new method with movement

* don't smooth corners

* fix red carpet hiding under backrooms carpet

* fix multiple turfs

* accidentally removed important code tracking items, oops

* implement new solution to the backrooms clone thing

* hmm so that's what the icon does

* indentation machine broke

* remove the tucked away spawn locations

* add comment for follow_movement

* revert oversight (the bar can keep its bevvies)

* put the thing back in that I wasn't supposed to remove

* Update code/modules/hallucinations/effects/backrooms.dm

Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>
Signed-off-by: Paul <90473506+pwbokie@users.noreply.github.com>

* Update code/modules/hallucinations/effects/backrooms.dm

Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>
Signed-off-by: Paul <90473506+pwbokie@users.noreply.github.com>

* fix missing comma

* code improvement tweaks from DLG

* add a fade out and in

---------

Signed-off-by: Paul <90473506+pwbokie@users.noreply.github.com>
Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>

code/__DEFINES/icon_smoothing_defines.dm

@@ -102,6 +102,7 @@ DEFINE_BITFIELD(smoothing_flags, list(
 #define SMOOTH_GROUP_REGULAR_WALLS S_OBJ(17)			///turf/simulated/wall, /obj/structure/falsewall
 #define SMOOTH_GROUP_REINFORCED_WALLS S_OBJ(18)			///turf/simulated/wall/r_wall, /obj/structure/falsewall/reinforced
 #define SMOOTH_GROUP_CULT_WALLS S_OBJ(19)				///turf/simulated/wall/cult
+#define SMOOTH_GROUP_BACKROOMS_WALLS S_OBJ(20)			///turf/simulated/wall/backrooms, /obj/structure/falsewall/backrooms
 
 #define SMOOTH_GROUP_WINDOW_FULLTILE S_OBJ(21)			///turf/simulated/indestructible/fakeglass, /obj/structure/window/full/basic, /obj/structure/window/full/plasmabasic, /obj/structure/window/full/plasmareinforced, /obj/structure/window/full/reinforced
 #define SMOOTH_GROUP_WINDOW_FULLTILE_BRASS S_OBJ(22)	///obj/structure/window/brass/fulltile

code/_globalvars/mapping_vars.dm

@@ -22,6 +22,7 @@ GLOBAL_LIST_EMPTY(newplayer_start)
 GLOBAL_LIST_EMPTY(latejoin)
 GLOBAL_LIST_EMPTY(prisonwarp)	//prisoners go to these
 GLOBAL_LIST_EMPTY(syndieprisonwarp)	//contractor targets go to these
+GLOBAL_LIST_EMPTY(backroomswarp) //backrooms hallucinators go to these
 GLOBAL_LIST_EMPTY(xeno_spawn)//Aliens spawn at these.
 GLOBAL_LIST_EMPTY(ertdirector)
 GLOBAL_LIST_EMPTY(emergencyresponseteamspawn)

code/game/area/centcom_areas.dm

@@ -135,3 +135,9 @@
 	requires_power = FALSE
 	has_gravity = TRUE
 	hide_attacklogs = TRUE
+
+/area/backrooms
+	name = "Backrooms"
+	icon_state = "yellow"
+	requires_power = FALSE
+	dynamic_lighting = DYNAMIC_LIGHTING_FORCED

code/game/objects/effects/landmarks.dm

@@ -118,6 +118,14 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/newplayer_start) //Without this you sp
 	name = "bubblegum_arena_exit"
 	icon_state = "bubblegumjumpscare"
 
+/obj/effect/landmark/spawner/backrooms
+	name = "backrooms_spawn"
+	icon_state = "Assistant"
+
+/obj/effect/landmark/spawner/backrooms/Initialize(mapload)
+	spawner_list = GLOB.backroomswarp
+	return ..()
+
 /obj/effect/landmark/spawner/syndie
 	name = "Syndicate-Spawn"
 	icon_state = "Syndie"

code/game/objects/structures/false_walls.dm

@@ -405,6 +405,15 @@
 	smoothing_groups = list(SMOOTH_GROUP_WALLS, SMOOTH_GROUP_PLASTITANIUM_WALLS)
 	canSmoothWith = list(SMOOTH_GROUP_PLASTITANIUM_WALLS, SMOOTH_GROUP_AIRLOCK, SMOOTH_GROUP_SHUTTLE_PARTS)
 
+/obj/structure/falsewall/backrooms
+	desc = "A strange wall that looks like cheap wallpaper and drywall."
+	icon = 'icons/turf/walls/backrooms_wall.dmi'
+	icon_state = "backrooms_wall-0"
+	base_icon_state = "backrooms_wall"
+	smoothing_flags = SMOOTH_BITMASK
+	smoothing_groups = list(SMOOTH_GROUP_WALLS, SMOOTH_GROUP_BACKROOMS_WALLS)
+	canSmoothWith = list(SMOOTH_GROUP_BACKROOMS_WALLS)
+
 /obj/structure/falsewall/brass
 	name = "clockwork wall"
 	desc = "A huge chunk of warm metal. The clanging of machinery emanates from within."

code/game/turfs/simulated/floor/misc_floor.dm

@@ -308,6 +308,14 @@
 				break_tile_to_plating()
 				hotspot_expose(1000,CELL_VOLUME)
 
+// Carpet used in the backrooms hallucination
+/turf/simulated/floor/backrooms_carpet
+	name = "backrooms carpet"
+	desc = "An old, musty carpet. It smells faintly mildewy."
+	icon = 'icons/turf/floors.dmi'
+	icon_state = "backrooms_carpet"
+	baseturf = /turf/simulated/floor/backrooms_carpet
+
 /turf/open/floor/plating/rust
 	//SDMM supports colors, this is simply for easier mapping
 	//and should be removed on initialize

code/game/turfs/simulated/walls_indestructible.dm

@@ -302,3 +302,13 @@ GLOBAL_DATUM(title_splash, /turf/simulated/wall/indestructible/splashscreen)
 	smoothing_groups = list(SMOOTH_GROUP_SIMULATED_TURFS, SMOOTH_GROUP_WALLS, SMOOTH_GROUP_SYNDICATE_WALLS)
 	canSmoothWith = list(SMOOTH_GROUP_SYNDICATE_WALLS, SMOOTH_GROUP_AIRLOCK, SMOOTH_GROUP_SHUTTLE_PARTS)
 
+/turf/simulated/wall/indestructible/backrooms
+	name = "wall"
+	desc = "A strange wall that looks like cheap wallpaper and drywall."
+	icon = 'icons/turf/walls/backrooms_wall.dmi'
+	icon_state = "backrooms_wall-0"
+	base_icon_state = "backrooms_wall"
+	explosion_block = 4
+	smoothing_flags = SMOOTH_BITMASK
+	smoothing_groups = list(SMOOTH_GROUP_BACKROOMS_WALLS)
+	canSmoothWith = list(SMOOTH_GROUP_BACKROOMS_WALLS, SMOOTH_GROUP_AIRLOCK, SMOOTH_GROUP_SHUTTLE_PARTS)

code/modules/hallucinations/effects/backrooms.dm

@@ -0,0 +1,58 @@
+GLOBAL_VAR_INIT(backrooms_occupied, FALSE)
+
+/**
+ * # Hallucination - Backrooms
+ *
+ * Temporarily sends the target to the backrooms. Their body's movement matches their movement in the backrooms.
+ */
+
+/datum/hallucination_manager/backrooms
+	// this is the total length of the hallucination, if it's too short it cuts off the end
+	trigger_time = 14 SECONDS
+	// Human that will see the hallucination
+	var/mob/living/carbon/human/human_owner
+	// Item that will copy the owner's visible contents
+	var/obj/item/clone_base
+
+/datum/hallucination_manager/backrooms/on_spawn()
+	if(!ishuman(owner))
+		return
+	human_owner = owner
+	// One person at a time in the backrooms, no backroom brawls allowed.
+	if(GLOB.backrooms_occupied)
+		return
+	GLOB.backrooms_occupied = TRUE
+	fade_out_trigger()
+
+/datum/hallucination_manager/backrooms/proc/fade_out_trigger()
+	human_owner.overlay_fullscreen("sleepblind", /atom/movable/screen/fullscreen/center/blind/sleeping, animated = 1 SECONDS)
+	trigger_timer = addtimer(CALLBACK(src, PROC_REF(do_hallucination_trigger)), 1 SECONDS, TIMER_STOPPABLE)
+
+/datum/hallucination_manager/backrooms/proc/do_hallucination_trigger()
+	human_owner.clear_fullscreen("sleepblind")
+	RegisterSignal(human_owner, COMSIG_MOVABLE_MOVED, PROC_REF(follow_movement))
+	var/obj/spawn_location = pick(GLOB.backroomswarp)
+	clone_base = new(spawn_location)
+	clone_base.vis_contents += human_owner
+	human_owner.reset_perspective(clone_base)
+	trigger_timer = addtimer(CALLBACK(src, PROC_REF(fade_in_trigger)), 12 SECONDS, TIMER_STOPPABLE)
+
+/datum/hallucination_manager/backrooms/proc/fade_in_trigger()
+	human_owner.overlay_fullscreen("sleepblind", /atom/movable/screen/fullscreen/center/blind/sleeping, animated = 1 SECONDS)
+	trigger_timer = addtimer(CALLBACK(src, PROC_REF(end_fade_trigger)), 1 SECONDS, TIMER_STOPPABLE)
+
+/datum/hallucination_manager/backrooms/proc/end_fade_trigger()
+	human_owner.clear_fullscreen("sleepblind")
+
+/datum/hallucination_manager/backrooms/Destroy(force)
+	GLOB.backrooms_occupied = FALSE
+	UnregisterSignal(human_owner, COMSIG_MOVABLE_MOVED)
+	human_owner.reset_perspective(human_owner)
+	human_owner = null
+	QDEL_NULL(clone_base)
+	return ..()
+
+/datum/hallucination_manager/backrooms/proc/follow_movement(source, atom/old_loc, dir, forced)
+	// signal is called above in on_spawn so that whenever our human moves, we also move the clone
+	SIGNAL_HANDLER  // COMSIG_MOVABLE_MOVED
+	step_towards(clone_base, get_step(get_turf(clone_base), dir))

code/modules/hallucinations/hallucination_manager.dm

@@ -28,7 +28,7 @@
 	RegisterSignal(owner, COMSIG_PARENT_QDELETING, PROC_REF(signal_qdel))
 	spawn_hallucination()
 
-/datum/hallucination_manager/Destroy(force, ...)
+/datum/hallucination_manager/Destroy(force)
 	. = ..()
 	owner = null
 	QDEL_NULL(hallucination_list)
@@ -38,8 +38,9 @@
 	var/turf/spawn_location = get_spawn_location()
 	if(!spawn_location)
 		return
-	initial_hallucination = new initial_hallucination(spawn_location, owner)
-	hallucination_list |= initial_hallucination
+	if(initial_hallucination)
+		initial_hallucination = new initial_hallucination(spawn_location, owner)
+		hallucination_list |= initial_hallucination
 	on_spawn()
 	trigger_timer = addtimer(CALLBACK(src, PROC_REF(on_trigger)), trigger_time, TIMER_DELETE_ME)
 

code/modules/hallucinations/hallucinations.dm

@@ -27,8 +27,9 @@ GLOBAL_LIST_INIT(hallucinations, list(
 		/obj/effect/hallucination/assault = 10,
 		/obj/effect/hallucination/fake_grenade/spawner = 10,
 		/obj/effect/hallucination/loose_energy_ball = 10,
-		/datum/hallucination_manager/blind_rush = 1,
 		/datum/hallucination_manager/xeno_pounce = 10,
+		/datum/hallucination_manager/backrooms = 1,
+		/datum/hallucination_manager/blind_rush = 1,
 		/datum/hallucination_manager/waves = 2,
 		/obj/effect/hallucination/blob = 10,
 	)

paradise.dme

@@ -2006,6 +2006,7 @@
 #include "code\modules\games\unum.dm"
 #include "code\modules\hallucinations\hallucination_manager.dm"
 #include "code\modules\hallucinations\hallucinations.dm"
+#include "code\modules\hallucinations\effects\backrooms.dm"
 #include "code\modules\hallucinations\effects\blind_rush_hallucination.dm"
 #include "code\modules\hallucinations\effects\common.dm"
 #include "code\modules\hallucinations\effects\grenades.dm"