Ports some modular computer stuff from baystation

code/modules/modular_computers/NTNet/NTNet.dm

@@ -10,21 +10,30 @@ var/global/datum/ntnet/ntnet_global = new()
 	var/list/available_news = list()
 	var/list/chat_channels = list()
 	var/list/fileservers = list()
-	var/list/email_accounts = list()				// I guess we won't have more than 999 email accounts active at once in single round, so this will do until Servers are implemented someday.
+	/// Holds all the email accounts that exists. Hopefully won't exceed 999
+	var/list/email_accounts = list()
 	var/list/banned_nids = list()
-	// Amount of logs the system tries to keep in memory. Keep below 999 to prevent byond from acting weirdly.
-	// High values make displaying logs much laggier.
+	/// A list of nid - os datum pairs. An OS in this list is not necessarily connected to NTNet or visible on it.
+	var/list/registered_nids = list()
+	/// Amount of log entries the system tries to keep in memory. Keep below 999 to prevent byond from acting weirdly. High values make displaying logs much laggier.
 	var/setting_maxlogcount = 100
 
-	// These only affect wireless. LAN (consoles) are unaffected since it would be possible to create scenario where someone turns off NTNet, and is unable to turn it back on since it refuses connections
-	var/setting_softwaredownload = 1
-	var/setting_peertopeer = 1
-	var/setting_communication = 1
-	var/setting_systemcontrol = 1
-	var/setting_disabled = 0					// Setting to 1 will disable all wireless, independently on relays status.
+	/// Programs requiring NTNET_SOFTWAREDOWNLOAD won't work if this is set to FALSE and public-facing device they are connecting with is wireless.
+	var/setting_softwaredownload = TRUE
+	/// Programs requiring NTNET_PEERTOPEER won't work if this is set to FALSE and public-facing device they are connecting with is wireless.
+	var/setting_peertopeer = TRUE
+	/// Programs requiring NTNET_COMMUNICATION won't work if this is set to FALSE and public-facing device they are connecting with is wireless.
+	var/setting_communication = TRUE
+	/// Programs requiring NTNET_SYSTEMCONTROL won't work if this is set to FALSE and public-facing device they are connecting with is wireless.
+	var/setting_systemcontrol = TRUE
 
-	var/intrusion_detection_enabled = 1 		// Whether the IDS warning system is enabled
-	var/intrusion_detection_alarm = 0			// Set when there is an IDS warning due to malicious (antag) software.
+	/// Setting to TRUE will disable all wireless connections, independently off relays status.
+	var/setting_disabled = FALSE
+
+	/// Whether the IDS warning system is enabled
+	var/intrusion_detection_enabled = TRUE
+	/// Set when there is an IDS warning due to malicious (antag) software.
+	var/intrusion_detection_alarm = FALSE
 
 
 // If new NTNet datum is spawned, it replaces the old one.
@@ -62,7 +71,13 @@ var/global/datum/ntnet/ntnet_global = new()
 			else
 				break
 
-/datum/ntnet/proc/check_banned(var/NID)
+/datum/ntnet/proc/get_os_by_nid(NID)
+	return registered_nids["[NID]"]
+
+/datum/ntnet/proc/unregister(NID)
+	registered_nids -= "[NID]"
+
+/datum/ntnet/proc/check_banned(NID)
 	if(!relays || !relays.len)
 		return FALSE
 
@@ -138,10 +153,12 @@ var/global/datum/ntnet/ntnet_global = new()
 // Resets the IDS alarm
 /datum/ntnet/proc/resetIDS()
 	intrusion_detection_alarm = 0
+	add_log("-!- INTRUSION DETECTION ALARM RESET BY SYSTEM OPERATOR -!-")
 
 /datum/ntnet/proc/toggleIDS()
 	resetIDS()
 	intrusion_detection_enabled = !intrusion_detection_enabled
+	add_log("Configuration Updated. Intrusion Detection [intrusion_detection_enabled ? "enabled" : "disabled"].")
 
 // Removes all logs
 /datum/ntnet/proc/purge_logs()
@@ -185,4 +202,3 @@ var/global/datum/ntnet/ntnet_global = new()
 	for(var/datum/ntnet_conversation/chan in chat_channels)
 		if(chan.id == id)
 			return chan
-

code/modules/modular_computers/NTNet/emails/email_account.dm

@@ -1,12 +1,22 @@
 /datum/computer_file/data/email_account/
 	var/list/inbox = list()
+	var/list/outbox = list()
 	var/list/spam = list()
 	var/list/deleted = list()
 
 	var/login = ""
 	var/password = ""
-	var/can_login = TRUE	// Whether you can log in with this account. Set to false for system accounts
-	var/suspended = FALSE	// Whether the account is banned by the SA.
+	/// Whether you can log in with this account. Set to FALSE for system accounts.
+	var/can_login = TRUE
+	/// Whether the account is banned by the SA.
+	var/suspended = FALSE
+	var/connected_clients = list()
+
+	var/fullname	= "N/A"
+	var/assignment	= "N/A"
+
+	var/notification_mute = FALSE
+	var/notification_sound = "*beep*"
 
 /datum/computer_file/data/email_account/calculate_size()
 	size = 1
@@ -64,7 +74,28 @@
 	can_login = FALSE
 
 /datum/computer_file/data/email_account/service/broadcaster/
-	login = "broadcast@internal-services.nt"
+	login = EMAIL_BROADCAST
+
+/datum/computer_file/data/email_account/service/broadcaster/receive_mail(var/datum/computer_file/data/email_message/received_message, var/relayed)
+	if(suspended || !istype(received_message) || relayed)
+		return FALSE
+	// Possibly exploitable for user spamming so keep admins informed.
+	if(!received_message.spam)
+		log_and_message_admins("Broadcast email address used by [usr]. Message title: [received_message.title].")
+
+	spawn(0)
+		for(var/datum/computer_file/data/email_account/email_account in ntnet_global.email_accounts)
+			var/datum/computer_file/data/email_message/new_message = received_message.clone()
+			send_mail(email_account.login, new_message, 1)
+			sleep(2)
+
+	return TRUE
+
+/datum/computer_file/data/email_account/service/document
+	login = EMAIL_DOCUMENTS
+
+/datum/computer_file/data/email_account/service/sysadmin
+	login = EMAIL_SYSADMIN
 
 /datum/computer_file/data/email_account/service/broadcaster/receive_mail(var/datum/computer_file/data/email_message/received_message, var/relayed)
 	if(!istype(received_message) || relayed)
@@ -79,4 +110,4 @@
 			send_mail(email_account.login, new_message, 1)
 			sleep(2)
 
-	return 1
+	return 1

code/modules/modular_computers/computers/modular_computer/variables.dm

@@ -53,4 +53,12 @@
 	var/obj/item/weapon/computer_hardware/nano_printer/nano_printer					// Nano Printer component of this computer, for your everyday paperwork needs.
 	var/obj/item/weapon/computer_hardware/hard_drive/portable/portable_drive		// Portable data storage
 	var/obj/item/weapon/computer_hardware/ai_slot/ai_slot							// AI slot, an intellicard housing that allows modifications of AIs.
-	var/obj/item/weapon/computer_hardware/tesla_link/tesla_link						// Tesla Link, Allows remote charging from nearest APC.
+	var/obj/item/weapon/computer_hardware/tesla_link/tesla_link						// Tesla Link, Allows remote charging from nearest APC.
+
+	var/modifiable = TRUE	// can't be modified or damaged if false
+
+	var/stores_pen = FALSE
+	var/obj/item/weapon/pen/stored_pen
+
+	var/interact_sounds
+	var/interact_sound_volume = 40

code/modules/modular_computers/file_system/computer_file.dm

@@ -1,18 +1,35 @@
 var/global/file_uid = 0
 
 /datum/computer_file/
-	var/filename = "NewFile" 								// Placeholder. No spacebars
-	var/filetype = "XXX" 									// File full names are [filename].[filetype] so like NewFile.XXX in this case
-	var/size = 1											// File size in GQ. Integers only!
-	var/obj/item/weapon/computer_hardware/hard_drive/holder	// Holder that contains this file.
-	var/unsendable = 0										// Whether the file may be sent to someone via NTNet transfer or other means.
-	var/undeletable = 0										// Whether the file may be deleted. Setting to 1 prevents deletion/renaming/etc.
-	var/uid													// UID of this file
+	/// Placeholder. Whitespace and most special characters are not allowed.
+	var/filename = "NewFile"
+	/// File full names are [filename].[filetype] so like NewFile.XXX in this case
+	var/filetype = "XXX"
+	/// File size in GQ. Integers only!
+	var/size = 1
+	/// Holder that contains this file.
+	var/obj/item/weapon/computer_hardware/hard_drive/holder
+	//// Whether the file may be sent to someone via NTNet transfer, email or other means.
+	var/unsendable = FALSE
+	/// Whether the file may be deleted. Setting to TRUE prevents deletion/renaming/etc.
+	var/undeletable = FALSE
+	/// Whether the file is hidden from view in the OS
+	var/hidden = FALSE
+	/// Protects files that should never be edited by the user due to special properties.
+	var/read_only = FALSE
+	/// UID of this file
+	var/uid
+	/// Any metadata the file uses.
+	var/list/metadata
+	/// Paper type to use for printing
+	var/papertype = /obj/item/weapon/paper
 
-/datum/computer_file/New()
+/datum/computer_file/New(list/md = null)
 	..()
 	uid = file_uid
 	file_uid++
+	if(islist(md))
+		metadata = md.Copy()
 
 /datum/computer_file/Destroy()
 	if(!holder)
@@ -30,10 +47,13 @@ var/global/file_uid = 0
 	var/datum/computer_file/temp = new type
 	temp.unsendable = unsendable
 	temp.undeletable = undeletable
+	temp.hidden = hidden
 	temp.size = size
+	if(metadata)
+		temp.metadata = metadata.Copy()
 	if(rename)
 		temp.filename = filename + "(Copy)"
 	else
 		temp.filename = filename
 	temp.filetype = filetype
-	return temp 
+	return temp

code/modules/modular_computers/file_system/data.dm

@@ -1,10 +1,11 @@
 // /data/ files store data in string format.
 // They don't contain other logic for now.
 /datum/computer_file/data
-	var/stored_data = "" 			// Stored data in string format.
 	filetype = "DAT"
+
+	var/stored_data = "" 			// Stored data in string format.
 	var/block_size = 250
-	var/do_not_edit = 0				// Whether the user will be reminded that the file probably shouldn't be edited.
+	var/do_not_edit = FALSE			// Whether the user will be reminded that the file probably shouldn't be edited.
 
 /datum/computer_file/data/clone()
 	var/datum/computer_file/data/temp = ..()
@@ -15,5 +16,43 @@
 /datum/computer_file/data/proc/calculate_size()
 	size = max(1, round(length(stored_data) / block_size))
 
+/datum/computer_file/data/proc/generate_file_data(mob/user)
+	return digitalPencode2html(stored_data)
+
 /datum/computer_file/data/logfile
 	filetype = "LOG"
+
+/datum/computer_file/data/text
+	filetype = "TXT"
+
+/// Mapping tool - creates a named modular computer file in a computer's storage on late initialize.
+/// Use this to do things like automatic records and blackboxes. Alternative for paper records.
+/// Values can be in the editor for each map or as a subtype.
+/// This is an obj because raw atoms can't be placed in DM or third-party mapping tools.
+///obj/effect/computer_file_creator
+//	name = "computer file creator"
+//	desc = "This is a mapping tool used for installing text files onto a modular device when it's mapped on top of them. If you see it, it's bugged."
+//	icon = 'icons/effects/landmarks.dmi'
+//	icon_state = "x3"
+//	anchored = TRUE
+//	unacidable = TRUE
+//	simulated = FALSE
+//	invisibility = 101
+//	/// The name that the file will have once it's created.
+//	var/file_name = "helloworld"
+//	/// The contents of this file. Uses paper formatting.
+//	var/file_info = "Hello World!"
+
+///obj/effect/computer_file_creator/Initialize()
+//	. = ..()
+//	return INITIALIZE_HINT_LATELOAD
+
+///obj/effect/computer_file_creator/LateInitialize()
+//	var/turf/T = get_turf(src)
+//	for (var/obj/O in T)
+//		if (!istype(O, /obj/machinery/computer/modular) && !istype(O, /obj/item/modular_computer))
+//			continue
+//		var/datum/extension/interactive/ntos/os = get_extension(O, /datum/extension/interactive/ntos)
+//		if (os)
+//			os.create_data_file(file_name, file_info, /datum/computer_file/data/text)
+//	qdel(src)

code/modules/modular_computers/file_system/program.dm

@@ -1,30 +1,39 @@
 // /program/ files are executable programs that do things.
 /datum/computer_file/program
-	filetype = "PRG"
 	filename = "UnknownProgram"				// File name. FILE NAME MUST BE UNIQUE IF YOU WANT THE PROGRAM TO BE DOWNLOADABLE FROM NTNET!
+	filetype = "PRG"
+
 	var/required_access = null				// List of required accesses to run/download the program.
 	var/requires_access_to_run = 1			// Whether the program checks for required_access when run.
 	var/requires_access_to_download = 1		// Whether the program checks for required_access when downloading.
+
 	// TGUIModule
 	var/datum/tgui_module/TM = null			// If the program uses TGUIModule, put it here and it will be automagically opened. Otherwise implement tgui_interact.
 	var/tguimodule_path = null				// Path to tguimodule, make sure to set this if implementing new program.
-	// Etc Program stuff
 	var/program_state = PROGRAM_STATE_KILLED// PROGRAM_STATE_KILLED or PROGRAM_STATE_BACKGROUND or PROGRAM_STATE_ACTIVE - specifies whether this program is running.
 	var/obj/item/modular_computer/computer	// Device that runs this program.
+
 	var/filedesc = "Unknown Program"		// User-friendly name of this program.
 	var/extended_desc = "N/A"				// Short description of this program's function.
+	/// Category that this program belongs to.
+	var/category = PROG_MISC
+	var/usage_flags = PROGRAM_ALL			// Bitflags (PROGRAM_CONSOLE, PROGRAM_LAPTOP, PROGRAM_TABLET combination) or PROGRAM_ALL
+
 	var/program_icon_state = null			// Program-specific screen icon state
 	var/program_key_state = "standby_key"	// Program-specific keyboard icon state
 	var/program_menu_icon = "newwin"		// Icon to use for program's link in main menu
+	var/ui_header = null					// Example: "something.gif" - a header image that will be rendered in computer's UI when this program is running at background. Images are taken from /nano/images/status_icons. Be careful not to use too large images!
+
 	var/requires_ntnet = 0					// Set to 1 for program to require nonstop NTNet connection to run. If NTNet connection is lost program crashes.
 	var/requires_ntnet_feature = 0			// Optional, if above is set to 1 checks for specific function of NTNet (currently NTNET_SOFTWAREDOWNLOAD, NTNET_PEERTOPEER, NTNET_SYSTEMCONTROL and NTNET_COMMUNICATION)
-	var/ntnet_status = 1					// NTNet status, updated every tick by computer running this program. Don't use this for checks if NTNet works, computers do that. Use this for calculations, etc.
-	var/usage_flags = PROGRAM_ALL			// Bitflags (PROGRAM_CONSOLE, PROGRAM_LAPTOP, PROGRAM_TABLET combination) or PROGRAM_ALL
 	var/network_destination = null			// Optional string that describes what NTNet server/system this program connects to. Used in default logging.
+
+	var/ntnet_status = 1					// NTNet status, updated every tick by computer running this program. Don't use this for checks if NTNet works, computers do that. Use this for calculations, etc.
 	var/available_on_ntnet = 1				// Whether the program can be downloaded from NTNet. Set to 0 to disable.
 	var/available_on_syndinet = 0			// Whether the program can be downloaded from SyndiNet (accessible via emagging the computer). Set to 1 to enable.
+
+	// Misc
 	var/computer_emagged = 0				// Set to 1 if computer that's running us was emagged. Computer updates this every Process() tick
-	var/ui_header = null					// Example: "something.gif" - a header image that will be rendered in computer's UI when this program is running at background. Images are taken from /nano/images/status_icons. Be careful not to use too large images!
 	var/ntnet_speed = 0						// GQ/s - current network connectivity transfer rate
 	/// Name of the tgui interface
 	var/tgui_id
@@ -230,4 +239,4 @@
 
 /datum/computer_file/program/proc/relaymove(var/mob/M, direction)
 	if(TM)
-		return TM.relaymove(M, direction)
+		return TM.relaymove(M, direction)

code/modules/modular_computers/file_system/programs/antagonist/hacked_camera.dm

@@ -7,8 +7,8 @@
 	program_menu_icon = "zoomin"
 	extended_desc = "This very advanced piece of software uses adaptive programming and large database of cipherkeys to bypass most encryptions used on camera networks. Be warned that system administrator may notice this."
 	size = 73 // Very large, a price for bypassing ID checks completely.
-	available_on_ntnet = 0
-	available_on_syndinet = 1
+	available_on_ntnet = FALSE
+	available_on_syndinet = TRUE
 
 /datum/computer_file/program/camera_monitor/hacked/process_tick()
 	..()

code/modules/modular_computers/file_system/programs/command/card.dm

@@ -7,5 +7,6 @@
 	program_menu_icon = "key"
 	extended_desc = "Program for programming crew ID cards."
 	required_access = access_change_ids
-	requires_ntnet = 0
+	requires_ntnet = FALSE
 	size = 8
+	category = PROG_COMMAND

code/modules/modular_computers/file_system/programs/command/comm.dm

@@ -12,10 +12,11 @@
 	tguimodule_path =  /datum/tgui_module/communications/ntos
 	extended_desc = "Used to command and control. Can relay long-range communications. This program can not be run on tablet computers."
 	required_access = access_heads
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	size = 12
 	usage_flags = PROGRAM_CONSOLE | PROGRAM_LAPTOP
 	network_destination = "long-range communication array"
+	category = PROG_COMMAND
 	var/datum/comm_message_listener/message_core = new
 
 /datum/computer_file/program/comm/clone()

code/modules/modular_computers/file_system/programs/engineering/alarm_monitor.dm

@@ -8,9 +8,10 @@
 	program_menu_icon = "alert"
 	extended_desc = "This program provides visual interface for the engineering alarm system."
 	required_access = access_engine
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	network_destination = "alarm monitoring network"
 	size = 5
+	category = PROG_MONITOR
 	var/has_alert = 0
 
 /datum/computer_file/program/alarm_monitor/process_tick()

code/modules/modular_computers/file_system/programs/engineering/atmos_control.dm

@@ -7,8 +7,9 @@
 	program_menu_icon = "shuffle"
 	extended_desc = "This program allows remote control of air alarms. This program can not be run on tablet computers."
 	required_access = access_atmospherics
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	network_destination = "atmospheric control system"
 	requires_ntnet_feature = NTNET_SYSTEMCONTROL
 	usage_flags = PROGRAM_LAPTOP | PROGRAM_CONSOLE
+	category = PROG_ENG
 	size = 17

code/modules/modular_computers/file_system/programs/engineering/power_monitor.dm

@@ -8,9 +8,10 @@
 	extended_desc = "This program connects to sensors to provide information about electrical systems"
 	ui_header = "power_norm.gif"
 	required_access = access_engine
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	network_destination = "power monitoring system"
 	size = 9
+	category = PROG_ENG
 	var/has_alert = 0
 
 /datum/computer_file/program/power_monitor/process_tick()

code/modules/modular_computers/file_system/programs/engineering/rcon_console.dm

@@ -7,8 +7,9 @@
 	program_menu_icon = "power"
 	extended_desc = "This program allows remote control of power distribution systems. This program can not be run on tablet computers."
 	required_access = access_engine
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	network_destination = "RCON remote control system"
 	requires_ntnet_feature = NTNET_SYSTEMCONTROL
 	usage_flags = PROGRAM_LAPTOP | PROGRAM_CONSOLE
 	size = 19
+	category = PROG_ENG

code/modules/modular_computers/file_system/programs/engineering/shutoff_monitor.dm

@@ -7,7 +7,8 @@
 	program_menu_icon = "wrench"
 	extended_desc = "This program allows for remote monitoring and control of emergency shutoff valves."
 	required_access = access_engine
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	network_destination = "shutoff valve control computer"
 	size = 5
+	category = PROG_ENG
 	var/has_alert = 0

code/modules/modular_computers/file_system/programs/engineering/supermatter_monitor.dm

@@ -8,9 +8,10 @@
 	extended_desc = "This program connects to specially calibrated supermatter sensors to provide information on the status of supermatter-based engines."
 	ui_header = "smmon_0.gif"
 	required_access = access_engine
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	network_destination = "supermatter monitoring system"
 	size = 5
+	category = PROG_ENG
 	var/last_status = 0
 
 /datum/computer_file/program/supermatter_monitor/process_tick()

code/modules/modular_computers/file_system/programs/generic/camera.dm

@@ -40,6 +40,7 @@
 	size = 12
 	available_on_ntnet = 1
 	requires_ntnet = 1
+	category = PROG_MONITOR
 
 // ERT Variant of the program
 /datum/computer_file/program/camera_monitor/ert

code/modules/modular_computers/file_system/programs/generic/configurator.dm

@@ -12,6 +12,8 @@
 	unsendable = 1
 	undeletable = 1
 	size = 4
-	available_on_ntnet = 0
-	requires_ntnet = 0
+	available_on_ntnet = FALSE
+	requires_ntnet = FALSE
 	tguimodule_path = /datum/tgui_module/computer_configurator
+	usage_flags = PROGRAM_ALL
+	category = PROG_UTIL

code/modules/modular_computers/file_system/programs/generic/email_client.dm

@@ -6,10 +6,12 @@
 	program_key_state = "generic_key"
 	program_menu_icon = "mail-closed"
 	size = 7
-	requires_ntnet = 1
-	available_on_ntnet = 1
+	requires_ntnet = TRUE
+	available_on_ntnet = TRUE
 	var/stored_login = ""
 	var/stored_password = ""
+	usage_flags = PROGRAM_ALL
+	category = PROG_OFFICE
 
 	tguimodule_path = /datum/tgui_module/email_client
 

code/modules/modular_computers/file_system/programs/generic/file_browser.dm

@@ -13,6 +13,8 @@
 
 	var/open_file
 	var/error
+	usage_flags = PROGRAM_ALL
+	category = PROG_UTIL
 
 /datum/computer_file/program/filemanager/tgui_act(action, list/params, datum/tgui/ui)
 	if(..())

code/modules/modular_computers/file_system/programs/generic/game.dm

@@ -26,6 +26,8 @@
 	///Determines which boss image to use on the UI.
 	var/boss_id = 1
 
+	usage_flags = PROGRAM_ALL
+
 // This is the primary game loop, which handles the logic of being defeated or winning.
 /datum/computer_file/program/game/proc/game_check(mob/user)
 	sleep(5)

code/modules/modular_computers/file_system/programs/generic/news_browser.dm

@@ -8,7 +8,7 @@
 	size = 4
 	requires_ntnet = TRUE
 	available_on_ntnet = TRUE
-
+	usage_flags = PROGRAM_ALL
 	tgui_id = "NtosNewsBrowser"
 
 	var/datum/computer_file/data/news_article/loaded_article
@@ -118,4 +118,3 @@
 		if("PRG_toggle_archived")
 			. = TRUE
 			show_archived = !show_archived
-

code/modules/modular_computers/file_system/programs/generic/ntdownloader.dm

@@ -16,12 +16,19 @@
 
 	var/datum/computer_file/program/downloaded_file = null
 	var/hacked_download = 0
-	var/download_completion = 0 //GQ of downloaded data.
+	///GQ of downloaded data.
+	var/download_completion = 0
 	var/download_netspeed = 0
 	var/downloaderror = ""
-	var/obj/item/modular_computer/my_computer = null
 	var/list/downloads_queue[0]
 
+	var/file_info
+	var/server
+	usage_flags = PROGRAM_ALL
+	category = PROG_UTIL
+
+	var/obj/item/modular_computer/my_computer = null
+
 /datum/computer_file/program/ntnetdownload/kill_program()
 	..()
 	abort_file_download()

code/modules/modular_computers/file_system/programs/generic/ntnrc_client.dm

@@ -12,12 +12,16 @@
 	ui_header = "ntnrc_idle.gif"
 	available_on_ntnet = 1
 	tgui_id = "NtosNetChat"
-	var/last_message				// Used to generate the toolbar icon
+	/// Used to generate the toolbar icon
+	var/last_message
 	var/username
 	var/active_channel
 	var/list/channel_history = list()
-	var/operator_mode = FALSE		// Channel operator mode
-	var/netadmin_mode = FALSE		// Administrator mode (invisible to other users + bypasses passwords)
+	/// Channel operator mode
+	var/operator_mode = FALSE
+	/// Administrator mode (invisible to other users + bypasses passwords)
+	var/netadmin_mode = FALSE
+	usage_flags = PROGRAM_ALL
 
 /datum/computer_file/program/chatclient/New()
 	username = "DefaultUser[rand(100, 999)]"
@@ -169,7 +173,7 @@
 	var/list/data = list()
 	data["can_admin"] = can_run(user, FALSE, access_network)
 	return data
-	
+
 /datum/computer_file/program/chatclient/tgui_data(mob/user)
 	if(!ntnet_global || !ntnet_global.chat_channels)
 		return list()
@@ -223,4 +227,4 @@
 		data["authed"] = FALSE
 		data["messages"] = list()
 
-	return data
+	return data

code/modules/modular_computers/file_system/programs/generic/nttransfer.dm

@@ -8,11 +8,12 @@ var/global/nttransfer_uid = 0
 	program_key_state = "generic_key"
 	program_menu_icon = "transferthick-e-w"
 	size = 7
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	requires_ntnet_feature = NTNET_PEERTOPEER
 	network_destination = "other device via P2P tunnel"
-	available_on_ntnet = 1
+	available_on_ntnet = TRUE
 	tgui_id = "NtosNetTransfer"
+	category = PROG_UTIL
 
 	var/error = ""										// Error screen
 	var/server_password = ""							// Optional password to download the file.
@@ -23,7 +24,7 @@ var/global/nttransfer_uid = 0
 	var/download_completion = 0							// Download progress in GQ
 	var/actual_netspeed = 0								// Displayed in the UI, this is the actual transfer speed.
 	var/unique_token 									// UID of this program
-	var/upload_menu = 0									// Whether we show the program list and upload menu
+	var/upload_menu = FALSE								// Whether we show the program list and upload menu
 
 /datum/computer_file/program/nttransfer/New()
 	unique_token = nttransfer_uid
@@ -86,14 +87,14 @@ var/global/nttransfer_uid = 0
 		data["download_progress"] = download_completion
 		data["download_netspeed"] = actual_netspeed
 		data["download_name"] = "[downloaded_file.filename].[downloaded_file.filetype]"
-	
+
 	data["uploading"] = !!provided_file
 	if(provided_file)
 		data["upload_uid"] = unique_token
 		data["upload_clients"] = connected_clients.len
 		data["upload_haspassword"] = server_password ? 1 : 0
 		data["upload_filename"] = "[provided_file.filename].[provided_file.filetype]"
-	
+
 	data["upload_filelist"] = list()
 	if(upload_menu)
 		var/list/all_files = list()
@@ -104,7 +105,7 @@ var/global/nttransfer_uid = 0
 			"size" = F.size
 			)))
 		data["upload_filelist"] = all_files
-	
+
 	data["servers"] = list()
 	if(!(downloaded_file || provided_file || upload_menu))
 		var/list/all_servers = list()

code/modules/modular_computers/file_system/programs/generic/wordprocessor.dm

@@ -9,12 +9,15 @@
 	available_on_ntnet = TRUE
 	tgui_id = "NtosWordProcessor"
 
-	var/browsing
+	var/browsing = FALSE
 	var/open_file
 	var/loaded_data
 	var/error
 	var/is_edited
 
+	usage_flags = PROGRAM_ALL
+	category = PROG_OFFICE
+
 /datum/computer_file/program/wordprocessor/proc/get_file(var/filename)
 	var/obj/item/weapon/computer_hardware/hard_drive/HDD = computer.hard_drive
 	if(!HDD)

code/modules/modular_computers/file_system/programs/medical/suit_sensors.dm

@@ -7,6 +7,7 @@
 	program_menu_icon = "heart"
 	extended_desc = "This program connects to life signs monitoring system to provide basic information on crew health."
 	required_access = access_medical
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	network_destination = "crew lifesigns monitoring system"
 	size = 11
+	category = PROG_MONITOR

code/modules/modular_computers/file_system/programs/research/email_administration.dm

@@ -6,10 +6,11 @@
 	program_key_state = "generic_key"
 	program_menu_icon = "mail-open"
 	size = 12
-	requires_ntnet = 1
-	available_on_ntnet = 1
+	requires_ntnet = TRUE
+	available_on_ntnet = TRUE
 	tgui_id = "NtosEmailAdministration"
 	required_access = access_network
+	category = PROG_ADMIN
 
 	var/datum/computer_file/data/email_account/current_account = null
 	var/datum/computer_file/data/email_message/current_message = null

code/modules/modular_computers/file_system/programs/research/ntmonitor.dm

@@ -10,6 +10,7 @@
 	required_access = access_network
 	available_on_ntnet = TRUE
 	tgui_id = "NtosNetMonitor"
+	category = PROG_ADMIN
 
 /datum/computer_file/program/ntnetmonitor/tgui_data(mob/user)
 	if(!ntnet_global)
@@ -90,4 +91,4 @@
 			var/nid = tgui_input_number(usr,"Enter NID of device which you want to unblock from the network:", "Enter NID")
 			if(nid && tgui_status(usr, state) == STATUS_INTERACTIVE)
 				ntnet_global.banned_nids -= nid
-			return TRUE 
+			return TRUE

code/modules/modular_computers/file_system/programs/security/digitalwarrant.dm

@@ -17,11 +17,12 @@ var/warrant_uid = 0
 	program_icon_state = "warrant"
 	program_key_state = "security_key"
 	program_menu_icon = "star"
-	requires_ntnet = 1
-	available_on_ntnet = 1
+	requires_ntnet = TRUE
+	available_on_ntnet = TRUE
 	required_access = access_security
 	usage_flags = PROGRAM_ALL
 	tgui_id = "NtosDigitalWarrant"
+	category = PROG_SEC
 
 	var/datum/data/record/warrant/activewarrant
 

code/modules/modular_computers/file_system/programs/ships/navigation.dm

@@ -7,6 +7,6 @@
 	program_menu_icon = "pin-s"
 	extended_desc = "Displays a ship's location in the sector."
 	required_access = null
-	requires_ntnet = 1
+	requires_ntnet = TRUE
 	network_destination = "ship position sensors"
 	size = 4

code/modules/modular_computers/hardware/_hardware.dm

@@ -3,33 +3,46 @@
 	desc = "Unknown Hardware."
 	icon = 'icons/obj/modular_components.dmi'
 	var/obj/item/modular_computer/holder2 = null
-	var/power_usage = 0 			// If the hardware uses extra power, change this.
-	var/enabled = 1					// If the hardware is turned off set this to 0.
-	var/critical = 1				// Prevent disabling for important component, like the HDD.
-	var/hardware_size = 1			// Limits which devices can contain this component. 1: Tablets/Laptops/Consoles, 2: Laptops/Consoles, 3: Consoles only
-	var/damage = 0					// Current damage level
-	var/max_damage = 100			// Maximal damage level.
-	var/damage_malfunction = 20		// "Malfunction" threshold. When damage exceeds this value the hardware piece will semi-randomly fail and do !!FUN!! things
-	var/damage_failure = 50			// "Failure" threshold. When damage exceeds this value the hardware piece will not work at all.
-	var/malfunction_probability = 10// Chance of malfunction when the component is damaged
 
-/obj/item/weapon/computer_hardware/attackby(var/obj/item/W as obj, var/mob/living/user as mob)
+	/// If the hardware uses extra power, change this.
+	var/power_usage = 0
+	/// If the hardware is turned off set this to FALSE.
+	var/enabled = TRUE
+	/// Prevent disabling for important component, like the HDD.
+	var/critical = 1
+	/// Limits which devices can contain this component. 1: All, 2: Laptops/Consoles, 3: Consoles only
+	var/hardware_size = 1
+	/// Current damage level
+	var/damage = 0
+	/// Maximal damage level.
+	var/max_damage = 100
+	/// "Malfunction" threshold. When damage exceeds this value the hardware piece will semi-randomly fail and do !!FUN!! things
+	var/damage_malfunction = 20
+	/// "Failure" threshold. When damage exceeds this value the hardware piece will not work at all.
+	var/damage_failure = 50
+	/// Chance of malfunction when the component is damaged
+	var/malfunction_probability = 10
+	var/usage_flags = PROGRAM_ALL
+	/// Whether attackby will be passed on it even with a closed panel
+	var/external_slot
+
+/obj/item/weapon/computer_hardware/attackby(obj/item/W as obj, mob/living/user as mob)
 	// Multitool. Runs diagnostics
 	if(istype(W, /obj/item/device/multitool))
 		to_chat(user, "***** DIAGNOSTICS REPORT *****")
 		diagnostics(user)
 		to_chat(user, "******************************")
-		return 1
+		return TRUE
 	// Nanopaste. Repair all damage if present for a single unit.
 	var/obj/item/stack/S = W
 	if(istype(S, /obj/item/stack/nanopaste))
 		if(!damage)
 			to_chat(user, "\The [src] doesn't seem to require repairs.")
-			return 1
+			return TRUE
 		if(S.use(1))
 			to_chat(user, "You apply a bit of \the [W] to \the [src]. It immediately repairs all damage.")
 			damage = 0
-		return 1
+		return TRUE
 	// Cable coil. Works as repair method, but will probably require multiple applications and more cable.
 	if(istype(S, /obj/item/stack/cable_coil))
 		if(!damage)
@@ -38,11 +51,11 @@
 		if(S.use(1))
 			to_chat(user, "You patch up \the [src] with a bit of \the [W].")
 			take_damage(-10)
-		return 1
+		return TRUE
 	return ..()
 
 
-// Called on multitool click, prints diagnostic information to the user.
+/// Returns a list of lines containing diagnostic information for display.
 /obj/item/weapon/computer_hardware/proc/diagnostics(var/mob/user)
 	to_chat(user, "Hardware Integrity Test... (Corruption: [damage]/[max_damage]) [damage > damage_failure ? "FAIL" : damage > damage_malfunction ? "WARN" : "PASS"]")
 
@@ -57,20 +70,20 @@
 	holder2 = null
 	return ..()
 
-// Handles damage checks
+/// Handles damage checks
 /obj/item/weapon/computer_hardware/proc/check_functionality()
 	// Turned off
 	if(!enabled)
-		return 0
+		return FALSE
 	// Too damaged to work at all.
 	if(damage > damage_failure)
-		return 0
+		return FALSE
 	// Still working. Well, sometimes...
 	if(damage > damage_malfunction)
 		if(prob(malfunction_probability))
-			return 0
+			return FALSE
 	// Good to go.
-	return 1
+	return TRUE
 
 /obj/item/weapon/computer_hardware/examine(var/mob/user)
 	. = ..()
@@ -81,8 +94,7 @@
 	else if(damage)
 		. += "It seems to be slightly damaged."
 
-// Damages the component. Contains necessary checks. Negative damage "heals" the component.
+/// Damages the component. Contains necessary checks. Negative damage "heals" the component.
 /obj/item/weapon/computer_hardware/take_damage(var/amount)
 	damage += round(amount) 					// We want nice rounded numbers here.
 	damage = between(0, damage, max_damage)		// Clamp the value.
-

code/modules/modular_computers/hardware/hard_drive.dm

@@ -5,9 +5,13 @@
 	icon_state = "hdd_normal"
 	hardware_size = 1
 	origin_tech = list(TECH_DATA = 1, TECH_ENGINEERING = 1)
+
 	var/max_capacity = 128
 	var/used_capacity = 0
-	var/list/stored_files = list()		// List of stored files on this drive. DO NOT MODIFY DIRECTLY!
+	/// List of stored files on this drive. DO NOT MODIFY DIRECTLY!
+	var/list/stored_files = list()
+	/// Whether drive is protected against changes
+	var/read_only = FALSE
 
 /obj/item/weapon/computer_hardware/hard_drive/advanced
 	name = "advanced hard drive"
@@ -60,6 +64,7 @@
 	// 999 is a byond limit that is in place. It's unlikely someone will reach that many files anyway, since you would sooner run out of space.
 	to_chat(user, "NT-NFS File Table Status: [stored_files.len]/999")
 	to_chat(user, "Storage capacity: [used_capacity]/[max_capacity]GQ")
+	to_chat(user, "Read-only mode: [(read_only ? "ON" : "OFF")]")
 
 // Use this proc to add file to the drive. Returns 1 on success and 0 on failure. Contains necessary sanity checks.
 /obj/item/weapon/computer_hardware/hard_drive/proc/store_file(var/datum/computer_file/F)
@@ -164,4 +169,4 @@
 
 /obj/item/weapon/computer_hardware/hard_drive/New()
 	install_default_programs()
-	..()
+	..()

code/modules/modular_computers/hardware/network_card.dm

@@ -8,12 +8,20 @@ var/global/ntnet_card_uid = 1
 	critical = 0
 	icon_state = "netcard_basic"
 	hardware_size = 1
-	var/identification_id = null	// Identification ID. Technically MAC address of this device. Can't be changed by user.
-	var/identification_string = "" 	// Identification string, technically nickname seen in the network. Can be set by user.
-	var/long_range = 0
-	var/ethernet = 0 // Hard-wired, therefore always on, ignores NTNet wireless checks.
 	malfunction_probability = 1
 
+	/// Identification ID. Technically MAC address of this device. Can't be changed by user.
+	var/identification_id = null
+	/// Identification string, technically nickname seen in the network. Can be set by user.
+	var/identification_string = ""
+
+	/// Long-range cards have stronger connections, letting them reach relays from connected Z-levels.
+	var/long_range = 0
+	/// Hard-wired, therefore always on, ignores NTNet wireless checks.
+	var/ethernet = 0
+	/// If set, uses the value to funnel connections through another network card.
+	var/proxy_id
+
 /obj/item/weapon/computer_hardware/network_card/diagnostics(var/mob/user)
 	..()
 	to_chat(user, "NIX Unique ID: [identification_id]")