Complying with suggestions. Also stops dnr observers from getting ghost role notifications

code/modules/mob/living/brain/posibrain.dm

@@ -36,7 +36,7 @@ GLOBAL_VAR(posibrain_notify_cooldown)
 
 /obj/item/mmi/posibrain/proc/ping_ghosts(msg, newlymade)
 	if(newlymade || GLOB.posibrain_notify_cooldown <= world.time)
-		notify_ghosts("[name] [msg] in [get_area(src)]!", ghost_sound = !newlymade ? 'sound/misc/server-ready.ogg':null, enter_link = "<a href=?src=[REF(src)];activate=1>(Click to enter)</a>", source = src, action = NOTIFY_ATTACK, flashwindow = FALSE, ignore_key = POLL_IGNORE_POSIBRAIN)
+		notify_ghosts("[name] [msg] in [get_area(src)]!", ghost_sound = !newlymade ? 'sound/misc/server-ready.ogg':null, enter_link = "<a href=?src=[REF(src)];activate=1>(Click to enter)</a>", source = src, action = NOTIFY_ATTACK, flashwindow = FALSE, ignore_key = POLL_IGNORE_POSIBRAIN, ignore_dnr_observers = TRUE)
 		if(!newlymade)
 			GLOB.posibrain_notify_cooldown = world.time + askDelay
 
@@ -88,9 +88,8 @@ GLOBAL_VAR(posibrain_notify_cooldown)
 
 	if(isobserver(user))
 		var/mob/dead/observer/O = user
-		if(O.reenter_round_timeout > world.realtime)
-			to_chat(user, "<span class='warning'>You are unable to reenter the round yet. Your ghost role blacklist will expire in [round((O.reenter_round_timeout - world.realtime)/600)] minutes.</span>")
-			return
+		if(!O.can_reenter_round())
+			return FALSE
 
 	var/posi_ask = alert("Become a [name]? (Warning, You can no longer be cloned, and all past lives will be forgotten!)","Are you positive?","Yes","No")
 	if(posi_ask == "No" || QDELETED(src))

code/modules/mob/living/simple_animal/friendly/drone/drones_as_items.dm

@@ -21,7 +21,7 @@
 	. = ..()
 	var/area/A = get_area(src)
 	if(A)
-		notify_ghosts("A drone shell has been created in \the [A.name].", source = src, action=NOTIFY_ATTACK, flashwindow = FALSE, ignore_key = POLL_IGNORE_DRONE)
+		notify_ghosts("A drone shell has been created in \the [A.name].", source = src, action=NOTIFY_ATTACK, flashwindow = FALSE, ignore_key = POLL_IGNORE_DRONE, ignore_dnr_observers = TRUE)
 	GLOB.poi_list |= src
 	if(isnull(possible_seasonal_hats))
 		build_seasonal_hats()
@@ -49,9 +49,8 @@
 		if(user.client.player_age < DRONE_MINIMUM_AGE)
 			to_chat(user, "<span class='danger'>You're too new to play as a drone! Please try again in [DRONE_MINIMUM_AGE - user.client.player_age] days.</span>")
 			return
-	if(user.reenter_round_timeout > world.realtime)
-		to_chat(user, "<span class='warning'>You are unable to reenter the round yet. Your ghost role blacklist will expire in [round((user.reenter_round_timeout - world.realtime)/600)] minutes.</span>")
-		return
+	if(!user.can_reenter_round())
+		return FALSE
 	if(!SSticker.mode)
 		to_chat(user, "Can't become a drone before the game has started.")
 		return

code/modules/mob/living/simple_animal/hostile/giant_spider.dm

@@ -83,20 +83,19 @@
 
 /mob/living/simple_animal/hostile/poison/giant_spider/proc/humanize_spider(mob/user)
 	if(key || !playable_spider || stat)//Someone is in it, it's dead, or the fun police are shutting it down
-		return 0
+		return FALSE
 	if(isobserver(user))
 		var/mob/dead/observer/O = user
-		if(O.reenter_round_timeout > world.realtime)
-			to_chat(O, "<span class='warning'>You are unable to reenter the round yet. Your ghost role blacklist will expire in [round((O.reenter_round_timeout - world.realtime)/600)] minutes.</span>")
-			return
+		if(!O.can_reenter_round())
+			return FALSE
 	var/spider_ask = alert("Become a spider?", "Are you australian?", "Yes", "No")
 	if(spider_ask == "No" || !src || QDELETED(src))
-		return 1
+		return TRUE
 	if(key)
 		to_chat(user, "<span class='notice'>Someone else already took this spider.</span>")
-		return 1
+		return TRUE
 	user.transfer_ckey(src, FALSE)
-	return 1
+	return TRUE
 
 //nursemaids - these create webs and eggs
 /mob/living/simple_animal/hostile/poison/giant_spider/nurse

code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm

@@ -575,16 +575,15 @@ Difficulty: Very Hard
 	if(..() && !ready_to_deploy)
 		GLOB.poi_list |= src
 		ready_to_deploy = TRUE
-		notify_ghosts("An anomalous crystal has been activated in [get_area(src)]! This crystal can always be used by ghosts hereafter.", enter_link = "<a href=?src=[REF(src)];ghostjoin=1>(Click to enter)</a>", ghost_sound = 'sound/effects/ghost2.ogg', source = src, action = NOTIFY_ATTACK)
+		notify_ghosts("An anomalous crystal has been activated in [get_area(src)]! This crystal can always be used by ghosts hereafter.", enter_link = "<a href=?src=[REF(src)];ghostjoin=1>(Click to enter)</a>", ghost_sound = 'sound/effects/ghost2.ogg', source = src, action = NOTIFY_ATTACK, ignore_dnr_observers = TRUE)
 
 /obj/machinery/anomalous_crystal/helpers/attack_ghost(mob/dead/observer/user)
 	. = ..()
 	if(.)
 		return
 	if(ready_to_deploy)
-		if(user.reenter_round_timeout > world.realtime)
-			to_chat(user, "<span class='warning'>You are unable to reenter the round yet. Your ghost role blacklist will expire in [round((user.reenter_round_timeout - world.realtime)/600)] minutes.</span>")
-			return
+		if(!user.can_reenter_round())
+			return FALSE
 		var/be_helper = alert("Become a Lightgeist? (Warning, You can no longer be cloned!)",,"Yes","No")
 		if(be_helper == "Yes" && !QDELETED(src) && isobserver(user))
 			var/mob/living/simple_animal/hostile/lightgeist/W = new /mob/living/simple_animal/hostile/lightgeist(get_turf(loc))