Adds SSD Timers (#3942)

A client'd mob inactive for more than ten minutes (Aka alt-tabbed or maybe the player had an aneurysm while playing) will indicate such when examined.

A formerly client'd mob disconnected for more than five minutes will also indicate such when examined.

code/modules/mob/living/carbon/human/examine.dm

@@ -217,7 +217,7 @@
 		msg += "<span class='danger'>[T.He] [T.is] on fire!</span>\n"
 	msg += "<span class='warning'>"
 
-	
+
 	if(nutrition < 100)
 		msg += "[T.He] [T.is] severely malnourished.\n"
 	else if(nutrition >= 500)
@@ -225,7 +225,7 @@
 			msg += "[T.He] [T.is] plump and delicious looking - Like a fat little piggy. A tasty piggy.\n"
 		else*/
 		msg += "[T.He] [T.is] quite chubby.\n"
-	
+
 
 	msg += "</span>"
 
@@ -237,6 +237,10 @@
 			msg += "<span class='deadsay'>[T.He] [T.is] [species.show_ssd]. It doesn't look like [T.he] [T.is] waking up anytime soon.</span>\n"
 		else if(!client)
 			msg += "<span class='deadsay'>[T.He] [T.is] [species.show_ssd].</span>\n"
+		if(client && ((client.inactivity / 600) > 10)) // inactivity/10/60 > 10 MINUTES
+			msg += "<span class='deadsay'>\[Inactive for [round(client.inactivity / 600)] minutes.\]\n</span>"
+		else if((world.realtime - disconnect_time) >= 5 MINUTES)
+			msg += "<span class='deadsay'>\[Disconnected/ghosted [(world.realtime - disconnect_time)/600] minutes ago.\]\n</span>"
 
 	var/list/wound_flavor_text = list()
 	var/list/is_bleeding = list()

code/modules/mob/login.dm

@@ -34,6 +34,7 @@
 	if(hud_used)	qdel(hud_used)		//remove the hud objects
 	hud_used = new /datum/hud(src)
 
+	disconnect_time = null
 	next_move = 1
 	sight |= SEE_SELF
 	..()

code/modules/mob/logout.dm

@@ -1,6 +1,7 @@
 /mob/Logout()
 	SSnanoui.user_logout(src) // this is used to clean up (remove) this user's Nano UIs
 	player_list -= src
+	disconnect_time = world.realtime
 	log_access("Logout: [key_name(src)]",ckey=key_name(src))
 	if(admin_datums[src.ckey])
 		if (SSticker.current_state == GAME_STATE_PLAYING) //Only report this stuff if we are currently playing.

code/modules/mob/mob_defines.dm

@@ -95,7 +95,7 @@
 	var/list/speak_emote = list("says") // Verbs used when speaking. Defaults to 'say' if speak_emote is null.
 	var/emote_type = 1		// Define emote default type, 1 for seen emotes, 2 for heard emotes
 	var/facing_dir = null   // Used for the ancient art of moonwalking.
-	
+
 	var/obj/machinery/hologram/holopad/holo = null
 
 	var/name_archive //For admin things like possession
@@ -221,3 +221,4 @@
 	var/frozen = FALSE //related to wizard statues, if set to true, life won't process
 
 	gfi_layer_rotation = GFI_ROTATION_DEFDIR
+	var/disconnect_time = null//Time of client loss, set by Logout(), for timekeeping

html/changelogs/ssd.yml

@@ -0,0 +1,37 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes: 
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#   balance
+#################################
+
+# Your name.  
+author: LordFowl
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes: 
+  - rscadd: "SSD/Inactivity timers are available when examining another player."