Runtime Dynamic Station Loading (#24171)

* Dynamic map loading prototype

* Get the title screen working

* Fixes the random pod bugs

* map configs

* Add back the asteroid

* Ignore the rotate file

* Fix some shit

* More shit fixes

* Babby's first json

* Cyberboss confirmed shitcoder

* Makes map rotation great again

* Moves the map defines

* Delete tgstation2.dm

* Convert runtimestation

* Convert PubbyStation

* Convert OmegaStation

* Convert Metastation

* Convert Delta Station

* Lol file extensions

* Reee line endings

* Take out the trash

* Fix loadallmaps.dm

* Deltaassssssstation?

* Fix travis

* Did I ASK you to change the line endings?

* Remove votable maps

* Cleanup

* Previous config. Load configs in New. Fix splash

* Fix this

* More generic minetype

* STOP TOUCHING THE LINE ENDINGS!!!

* Add some flexibility to /obj/screen/splash

* Fix the shit

* Update gitignore

* Smooth transition from last map

* Better check

* Missed this map rotate check

* Remove these checks too

* Prep for a future request by @kevinz000

* Fix z2 line endings

* Solution for custom .dms

* Rename some things, trim some fat

* Fixes default map_config

* Remove stale comment

* Delete the previous config after loading

* Don't try to open a non-existent file

* Delete the old rotator script

* And references to it

* Line endings

* More line endings

* Del checks from when m-config may have not existed

* LINE ENDINGS

* Update the default map config

* Map load error checking for what it's worth

* Small cleanup

* For case sensitive

* File systems

* Strip maprotate stuff from build script

* Spruce up the _maps tree. Compile some empty space

* Make travis simpler

* LINEARU ENDARU!!!

* tgstation TWO!!!

* Lowercase mine type

* Dummy dm's for testmerging

* Fixes job ordering

* If ghosts wanna watch the map load so be it

* Let them know what's going on

* Fixes z-transitions

* Optimize z expansion further

* Remove this old var

* Fix wiznerd teleportation

* Rmove butt

* Does the thing

* Moved temp configs to the data dir

* Un-touch gitignore

* Forgot templates.dm

* Forgot to include the includer

* Fair enough

* SILENCE IMBECILE!

* @Cyberboss still a fuckboi

* Speed things up a bit

* Fix a potential bug with the error message

* Whatever

code/modules/mob/dead/observer/observer.dm

@@ -99,7 +99,7 @@ var/list/image/ghost_images_simple = list() //this is a list of all ghost images
 
 	update_icon()
 
-	if(!T)
+	if(!T && latejoin.len)
 		T = pick(latejoin)			//Safety in case we cannot find the body's position
 	loc = T
 

code/modules/mob/mob.dm

@@ -555,9 +555,10 @@ var/next_mob_id = 0
 	if(statpanel("Status"))
 		if (client)
 			stat(null, "Ping: [round(client.lastping, 1)]ms (Average: [round(client.avgping, 1)]ms)")
-		stat(null, "Map: [MAP_NAME]")
-		if(nextmap && istype(nextmap))
-			stat(null, "Next Map: [nextmap.friendlyname]")
+		stat(null, "Map: [SSmapping.config.map_name]")
+		var/datum/map_config/cached = SSmapping.next_map_config
+		if(cached)
+			stat(null, "Next Map: [cached.map_name]")
 		stat(null, "Server Time: [time2text(world.timeofday, "YYYY-MM-DD hh:mm:ss")]")
 		stat(null, "Station Time: [worldtime2text()]")
 		stat(null, "Time Dilation: [round(SStime_track.time_dilation_current,1)]% AVG:([round(SStime_track.time_dilation_avg_fast,1)]%, [round(SStime_track.time_dilation_avg,1)]%, [round(SStime_track.time_dilation_avg_slow,1)]%)")

code/modules/mob/new_player/new_player.dm

@@ -18,6 +18,10 @@
 	tag = "mob_[next_mob_id++]"
 	mob_list += src
 
+	if(client && ticker.state == GAME_STATE_STARTUP)
+		var/obj/screen/splash/S = new(client, TRUE, TRUE)
+		S.Fade(TRUE)
+
 	if(length(newplayer_start))
 		loc = pick(newplayer_start)
 	else
@@ -70,7 +74,7 @@
 
 	if(statpanel("Lobby"))
 		stat("Game Mode:", (ticker.hide_mode) ? "Secret" : "[master_mode]")
-		stat("Map:", MAP_NAME)
+		stat("Map:", SSmapping.config.map_name)
 
 		if(ticker.current_state == GAME_STATE_PREGAME)
 			var/time_remaining = ticker.GetTimeLeft()
@@ -125,7 +129,7 @@
 			if (O)
 				observer.loc = O.loc
 			else
-				src << "<span class='notice'>Teleporting failed. You should be able to use ghost verbs to teleport somewhere useful</span>"
+				src << "<span class='notice'>Teleporting failed. The map is probably still loading...</span>"
 			observer.key = key
 			observer.client = client
 			observer.set_ghost_appearance()