sigh

code/modules/jobs/job_types/_job.dm

@@ -73,6 +73,31 @@
 	/// Starting skill modifiers.
 	var/list/starting_modifiers
 
+/**
+  * Checks if we should be created on a certain map
+  */
+/datum/job/proc/map_check(datum/map_config/C)
+	return (length(C.job_whitelist)? (type in C.job_whitelist) : !(type in C.job_blacklist))
+
+/**
+  * Processes map specific overrides
+  */
+/datum/job/proc/process_map_overrides(datum/map_config/C)
+	if(type in C.job_override_spawn_positions)
+		spawn_positions = C.job_override_spawn_positions[type]
+	if(type in C.job_override_total_positions)
+		total_positions = C.job_override_total_positions[type]
+	if(type in C.job_access_override)
+		access = C.job_access_override[type]
+		minimal_access = access
+	else
+		if(type in C.job_access_add)
+			access += C.job_access_add[type]
+			minimal_access += C.job_access_add[type]
+		if(type in C.job_access_remove)
+			access -= C.job_access_add[type]
+			minimal_access -= C.job_access_remove[type]
+
 //Only override this proc
 //H is usually a human unless an /equip override transformed it
 /datum/job/proc/after_spawn(mob/living/H, mob/M, latejoin = FALSE)
@@ -175,9 +200,6 @@
 /datum/job/proc/config_check()
 	return TRUE
 
-/datum/job/proc/map_check()
-	return TRUE
-
 /datum/job/proc/radio_help_message(mob/M)
 	to_chat(M, "<b>Prefix your message with :h to speak on your department's radio. To see other prefixes, look closely at your headset.</b>")
 

code/modules/jobs/map_changes/map_changes.dm

@@ -1,4 +0,0 @@
-//this needs to come after the job_types subfolder to keep the correct ordering
-
-#include "..\..\..\..\_maps\map_files\PubbyStation\job_changes.dm"
-#undef JOB_MODIFICATION_MAP_NAME

code/modules/mapping/map_config.dm

@@ -43,6 +43,21 @@
 	/// Orientation to load in by default.
 	var/orientation = SOUTH		//byond defaults to placing everyting SOUTH.
 
+	/// Jobs whitelist - if this is not empty, ONLY these jobs are allowed. Overrides blacklist.
+	var/list/job_whitelist
+	/// Jobs blacklist - if this is not empty, jobs in this aren't allowed.
+	var/list/job_blacklist
+	/// Job spawn position mod - type = number
+	var/list/job_override_spawn_positions
+	/// Job total position mod - type = number
+	var/list/job_override_total_positions
+	/// Add these accesses to jobs - type = list()
+	var/list/job_access_add
+	/// Remove these accesses from jobs - type = list()
+	var/list/job_access_remove
+	/// Override job accesses - type = list() - overrides everything else
+	var/list/job_access_override
+
 /proc/load_map_config(filename = "data/next_map.json", default_to_box, delete_after, error_if_missing = TRUE)
 	var/datum/map_config/config = new
 	if (default_to_box)
@@ -161,6 +176,69 @@
 
 	allow_custom_shuttles = json["allow_custom_shuttles"] != FALSE
 
+	if("job_whitelist" in json)
+		job_whitelist = list()
+		for(var/path in json["job_whitelist"])
+			var/type = text2path(path)
+			if(!path)
+				log_config("map datum [config_filename] failed to validate path [path] in job overrides.")
+				continue
+			job_whitelist += type
+
+	if("job_blacklist" in json)
+		job_blacklist = list()
+		for(var/path in json["job_blacklist"])
+			var/type = text2path(path)
+			if(!path)
+				log_config("map datum [config_filename] failed to validate path [path] in job overrides.")
+				continue
+			job_blacklist += type
+
+	if("job_override_spawn_positions" in json)
+		job_override_spawn_positions = list()
+		for(var/path in json["job_override_spawn_positions"])
+			var/type = text2path(path)
+			if(!path)
+				log_config("map datum [config_filename] failed to validate path [path] in job overrides.")
+				continue
+			job_override_spawn_positions += type
+
+	if("job_override_total_positions" in json)
+		job_override_total_positions = list()
+		for(var/path in json["job_override_total_positions"])
+			var/type = text2path(path)
+			if(!path)
+				log_config("map datum [config_filename] failed to validate path [path] in job overrides.")
+				continue
+			job_override_total_positions += type
+
+	if("job_access_add" in json)
+		job_access_add = list()
+		for(var/path in json["job_acces_add"])
+			var/type = text2path(path)
+			if(!path)
+				log_config("map datum [config_filename] failed to validate path [path] in job overrides.")
+				continue
+			job_access_add[type] = json["job_access_add"]
+
+	if("job_access_remove" in json)
+		job_access_remove = list()
+		for(var/path in json["job_acces_add"])
+			var/type = text2path(path)
+			if(!path)
+				log_config("map datum [config_filename] failed to validate path [path] in job overrides.")
+				continue
+			job_access_remove[type] = json["job_access_remove"]
+
+	if("job_access_override" in json)
+		job_access_override = list()
+		for(var/path in json["job_acces_add"])
+			var/type = text2path(path)
+			if(!path)
+				log_config("map datum [config_filename] failed to validate path [path] in job overrides.")
+				continue
+			job_access_override[type] = json["job_access_override"]
+
 	defaulted = FALSE
 	return TRUE
 #undef CHECK_EXISTS
@@ -190,6 +268,13 @@
 	jsonlist["announcertype"] = announcertype
 	jsonlist["orientation"] = orientation
 	jsonlist["allow_custom_shuttles"] = allow_custom_shuttles
+	jsonlist["job_whitelist"] = job_whitelist
+	jsonlist["job_blacklist"] = job_blacklist
+	jsonlist["job_override_spawn_positions"] = job_override_spawn_positions
+	jsonlist["job_override_total_positions"] = job_override_total_positions
+	jsonlist["job_access_add"] = job_access_add
+	jsonlist["job_access_remove"] = job_access_remove
+	jsonlist["job_access_override"] = job_access_override
 	if(fexists("data/next_map.json"))
 		fdel("data/next_map.json")
 	var/F = file("data/next_map.json")