makes a few things managed globals

code/__DEFINES/singletons.dm

@@ -4,20 +4,20 @@
 
 /// Get a singleton instance according to path P. Creates it if necessary. Null if abstract or not a singleton.
 #define GET_SINGLETON(P)\
-	(ispath(P, /singleton) ? (Singletons.resolved_instances[P] ? Singletons.instances[P] : Singletons.GetInstance(P)) : null)
+	(ispath(P, /singleton) ? (GLOB.Singletons.resolved_instances[P] ? GLOB.Singletons.instances[P] : GLOB.Singletons.GetInstance(P)) : null)
 
 /// Get a (path = instance) map of valid singletons according to typesof(P).
 #define GET_SINGLETON_TYPE_MAP(P)\
-	(ispath(P, /singleton) ? (Singletons.resolved_type_maps[P] ? Singletons.type_maps[P] : Singletons.GetTypeMap(P)) : list())
+	(ispath(P, /singleton) ? (GLOB.Singletons.resolved_type_maps[P] ? GLOB.Singletons.type_maps[P] : GLOB.Singletons.GetTypeMap(P)) : list())
 
 /// Get a (path = instance) map of valid singletons according to subtypesof(P).
 #define GET_SINGLETON_SUBTYPE_MAP(P)\
-	(ispath(P, /singleton) ? (Singletons.resolved_subtype_maps[P] ? Singletons.subtype_maps[P] : Singletons.GetSubtypeMap(P)) : list())
+	(ispath(P, /singleton) ? (GLOB.Singletons.resolved_subtype_maps[P] ? GLOB.Singletons.subtype_maps[P] : GLOB.Singletons.GetSubtypeMap(P)) : list())
 
 /// Get a list of valid singletons according to typesof(path).
 #define GET_SINGLETON_TYPE_LIST(P)\
-	(ispath(P, /singleton) ? (Singletons.resolved_type_lists[P] ? Singletons.type_lists[P] : Singletons.GetTypeList(P)) : list())
+	(ispath(P, /singleton) ? (GLOB.Singletons.resolved_type_lists[P] ? GLOB.Singletons.type_lists[P] : GLOB.Singletons.GetTypeList(P)) : list())
 
 /// Get a list of valid singletons according to subtypesof(path).
 #define GET_SINGLETON_SUBTYPE_LIST(P)\
-	(ispath(P, /singleton) ? (Singletons.resolved_subtype_lists[P] ? Singletons.subtype_lists[P] : Singletons.GetSubtypeList(P)) : list())
+	(ispath(P, /singleton) ? (GLOB.Singletons.resolved_subtype_lists[P] ? GLOB.Singletons.subtype_lists[P] : GLOB.Singletons.GetSubtypeList(P)) : list())

code/__HELPERS/icons.dm

@@ -864,7 +864,7 @@ GLOBAL_LIST_INIT(freon_color_matrix, list("#2E5E69", "#60A2A8", "#A1AFB1", rgb(0
 
 		if (isnull(icon_state))
 			icon_state = A.icon_state
-			if (!(icon_state in icon_states(I, 1)))
+			if (!(icon_state in fast_icon_states(I, 1)))
 				icon_state = initial(A.icon_state)
 				if (isnull(dir))
 					dir = initial(A.dir)
@@ -1141,7 +1141,7 @@ GLOBAL_LIST_EMPTY(icon_exists_cache)
 	if(GLOB.icon_exists_cache[file]?[state] == FALSE)
 		return FALSE
 
-	var/list/states = icon_states(file)
+	var/list/states = fast_icon_states(file)
 
 	if(!GLOB.icon_exists_cache[file])
 		GLOB.icon_exists_cache[file] = list()

code/__HELPERS/icons/flatten.dm

@@ -80,7 +80,7 @@
 	var/state = A.icon_state
 	var/none = !icon
 	if(!none)
-		var/list/states = icon_states(icon)
+		var/list/states = fast_icon_states(icon)
 		if(!(state in states))
 			if(!("" in states))
 				none = TRUE
@@ -97,9 +97,9 @@
 		dir = A.dir
 	var/ourdir = dir
 	if(!none && ourdir != SOUTH)
-		if(length(icon_states(icon(icon, state, NORTH))))
-		else if(length(icon_states(icon(icon, state, EAST))))
-		else if(length(icon_states(icon(icon, state, WEST))))
+		if(length(fast_icon_states(icon(icon, state, NORTH))))
+		else if(length(fast_icon_states(icon(icon, state, EAST))))
+		else if(length(fast_icon_states(icon(icon, state, WEST))))
 		else
 			ourdir = SOUTH
 

code/_macros.dm

@@ -17,8 +17,8 @@
 
 #define CanDefaultInteract(user) (CanUseTopic(user, DefaultTopicState()) == UI_INTERACTIVE)
 
-#define sequential_id(key) uniqueness_repository.Generate(/datum/uniqueness_generator/id_sequential, key)
+#define sequential_id(key) GLOB.uniqueness_repository.Generate(/datum/uniqueness_generator/id_sequential, key)
 
-#define random_id(key,min_id,max_id) uniqueness_repository.Generate(/datum/uniqueness_generator/id_random, key, min_id, max_id)
+#define random_id(key,min_id,max_id) GLOB.uniqueness_repository.Generate(/datum/uniqueness_generator/id_random, key, min_id, max_id)
 
 #define JOINTEXT(X) jointext(X, null)

code/_onclick/hud/alert.dm

@@ -454,7 +454,7 @@ so as to remain in compliance with the most up-to-date laws."
 	for(var/i = 1, i <= alerts.len, i++)
 		var/atom/movable/screen/alert/alert = alerts[alerts[i]]
 
-		if(alert.icon_state in icon_states(ui_style))
+		if(alert.icon_state in fast_icon_states(ui_style))
 			alert.icon = ui_style
 
 		else if(!alert.no_underlay)

code/_rendering/atom_huds/data_huds.dm

@@ -152,7 +152,7 @@
 			holder.icon_state = "syndicate"
 
 /proc/RoundHealth(health, icon = GLOB.hud_icon_files[LIFE_HUD])
-	var/list/icon_states = icon_states(icon)
+	var/list/icon_states = fast_icon_states(icon)
 	for(var/icon_state in icon_states)
 		if(health >= text2num(icon_state))
 			return icon_state

code/controllers/subsystem/alarm.dm

@@ -1,10 +1,10 @@
 // We manually initialize the alarm handlers instead of looping over all existing types
 // to make it possible to write: camera_alarm.triggerAlarm() rather than SSalarms.managers[datum/alarm_handler/camera].triggerAlarm() or a variant thereof.
-/var/global/datum/alarm_handler/atmosphere/atmosphere_alarm	= new()
-/var/global/datum/alarm_handler/camera/camera_alarm			= new()
-/var/global/datum/alarm_handler/fire/fire_alarm				= new()
-/var/global/datum/alarm_handler/motion/motion_alarm			= new()
-/var/global/datum/alarm_handler/power/power_alarm			= new()
+GLOBAL_DATUM_INIT(atmosphere_alarm, /datum/alarm_handler/atmosphere, new)
+GLOBAL_DATUM_INIT(camera_alarm, /datum/alarm_handler/camera, new)
+GLOBAL_DATUM_INIT(fire_alarm, /datum/alarm_handler/fire, new)
+GLOBAL_DATUM_INIT(motion_alarm, /datum/alarm_handler/motion, new)
+GLOBAL_DATUM_INIT(power_alarm, /datum/alarm_handler/power, new)
 
 SUBSYSTEM_DEF(alarms)
 	name = "Alarms"
@@ -16,7 +16,7 @@ SUBSYSTEM_DEF(alarms)
 	var/static/list/active_alarm_cache = list()
 
 /datum/controller/subsystem/alarms/Initialize()
-	SSalarms.all_handlers = list(atmosphere_alarm, camera_alarm, fire_alarm, motion_alarm, power_alarm)
+	SSalarms.all_handlers = list(GLOB.atmosphere_alarm, GLOB.camera_alarm, GLOB.fire_alarm, GLOB.motion_alarm, GLOB.power_alarm)
 	. = ..()
 
 /datum/controller/subsystem/alarms/fire(resumed = FALSE)

code/controllers/subsystem/plants.dm

@@ -44,7 +44,7 @@ SUBSYSTEM_DEF(plants)
  */
 /datum/controller/subsystem/plants/proc/setup()
 	//Build the icon lists.
-	for(var/icostate in icon_states('icons/obj/hydroponics_growing.dmi'))
+	for(var/icostate in fast_icon_states('icons/obj/hydroponics_growing.dmi'))
 		var/split = findtext(icostate,"-")
 		if(!split)
 			//Invalid icon_state
@@ -60,7 +60,7 @@ SUBSYSTEM_DEF(plants)
 		if(!(plant_sprites[base]) || (plant_sprites[base]<ikey))
 			plant_sprites[base] = ikey
 
-	for(var/icostate in icon_states('icons/obj/hydroponics_products.dmi'))
+	for(var/icostate in fast_icon_states('icons/obj/hydroponics_products.dmi'))
 		var/split = findtext(icostate,"-")
 		if(split)
 			plant_product_sprites |= copytext(icostate,1,split)