C++ Monstermos - Putting the 99% LAG FREE in 99% LAG FREE (#7981)

* c++ monstermos

fuck

Fixes the server hemorrhaging memory due to extools not decrementing ref counts

Increases defauilt tank pressure

make space cold or some shit

floor tile rips

Fixes code assuming that the heat capacity is nonzero

🤦

Fixes crash

fixes some bugs

fuck *facepalm*

the fastening

removes Del() in favor of an internal c++ hook

Fixes vent-pump math

* Fix the invisible gases bug

* Linux support

* fix the deploy.sh

* Uses newer BYOND 513 because older one is probably missing an important pattern (it segfaulted on pattern search)

* Updates windows dll to match linux version and cleans up unused BYOND code

code/modules/mapping/reader.dm

@@ -142,6 +142,7 @@
 	var/list/modelCache = build_cache(no_changeturf)
 	var/space_key = modelCache[SPACE_KEY]
 	var/list/bounds
+	var/did_expand = FALSE
 	src.bounds = bounds = list(1.#INF, 1.#INF, 1.#INF, -1.#INF, -1.#INF, -1.#INF)
 
 	for(var/I in gridSets)
@@ -150,6 +151,7 @@
 		var/zcrd = gset.zcrd + z_offset - 1
 		if(!cropMap && ycrd > world.maxy)
 			world.maxy = ycrd // Expand Y here.  X is expanded in the loop below
+			did_expand = TRUE
 		var/zexpansion = zcrd > world.maxz
 		if(zexpansion)
 			if(cropMap)
@@ -157,6 +159,7 @@
 			else
 				while (zcrd > world.maxz) //create a new z_level if needed
 					world.incrementMaxZ()
+					did_expand = FALSE
 			if(!no_changeturf)
 				WARNING("Z-level expansion occurred without no_changeturf set, this may cause problems when /turf/AfterChange is called")
 
@@ -175,6 +178,7 @@
 							break
 						else
 							world.maxx = xcrd
+							did_expand = TRUE
 
 					if(xcrd >= 1)
 						var/model_key = copytext(line, tpos, tpos + key_len)
@@ -213,6 +217,9 @@
 		testing("Skipped loading [turfsSkipped] default turfs")
 	#endif
 
+	if(did_expand)
+		world.refresh_atmos_grid()
+
 	return TRUE
 
 /datum/parsed_map/proc/build_cache(no_changeturf, bad_paths=null)