Merge pull request #2096 from CHOMPStationBot/upstream-merge-10505

[MIRROR] Some misc runtime fixes

code/controllers/subsystems/mobs.dm

@@ -25,13 +25,10 @@ SUBSYSTEM_DEF(mobs)
 /datum/controller/subsystem/mobs/fire(resumed = 0)
 	if (!resumed)
 		src.currentrun = mob_list.Copy()
-		process_z.Cut()
+		process_z.len = GLOB.living_players_by_zlevel.len
 		slept_mobs = 0
-		var/level = 1
-		while(process_z.len < GLOB.living_players_by_zlevel.len)
-			process_z.len++
+		for(var/level in 1 to process_z.len)
 			process_z[level] = GLOB.living_players_by_zlevel[level].len
-			level++
 
 	//cache for sanic speed (lists are references anyways)
 	var/list/currentrun = src.currentrun

code/datums/outfits/jobs/security.dm

@@ -42,7 +42,7 @@
 /decl/hierarchy/outfit/job/security/detective/forensic
 	name = OUTFIT_JOB_NAME("Forensic technician")
 	head = null
-	suit = /datum/gear/uniform/detective_alt2
+	suit = /obj/item/clothing/suit/storage/det_trench/alt2
 	uniform = /obj/item/clothing/under/det
 //VOREStation Edit End
 

code/modules/mining/mine_turfs.dm

@@ -249,8 +249,10 @@ turf/simulated/mineral/floor/light_corner
 		spawn(1) // Otherwise most of the ore is lost to the explosion, which makes this rather moot.
 			for(var/ore in resources)
 				var/amount_to_give = rand(CEILING(resources[ore]/2, 1), resources[ore])  // Should result in at least one piece of ore.
-				for(var/i=1, i <= amount_to_give, i++)
 				var/oretype = ore_types[ore]
+				if(!oretype)
+					return // this turf can't give that type
+				for(var/i=1, i <= amount_to_give, i++)
 					new oretype(src)
 				resources[ore] = 0
 

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

@@ -481,6 +481,9 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 /mob/proc/update_following()
 	. = get_turf(src)
 	for(var/mob/observer/dead/M in following_mobs)
+		if(!.)
+			M.stop_following()
+		
 		if(M.following != src)
 			following_mobs -= M
 		else

maps/tether/tether_turfs.dm

@@ -70,7 +70,7 @@ VIRGO3B_TURF_CREATE(/turf/simulated/mineral/floor)
 			"platinum" = 10,
 			"hematite" = 20,
 			"copper" = 8,
-			"tin" = 4,
+//			"tin" = 4,
 			"bauxite" = 4,
 			"rutile" = 4,
 			"carbon" = 20,
@@ -87,7 +87,7 @@ VIRGO3B_TURF_CREATE(/turf/simulated/mineral/floor)
 			"platinum" = 5,
 			"hematite" = 35,
 			"copper" = 15,
-			"tin" = 10,
+//			"tin" = 10,
 			"bauxite" = 10,
 			"rutile" = 10,
 			"carbon" = 35,