Exosuit program, tracking, and downloader improvements (#1264)

A minor project focusing on Modular computers and exosuits. Changelog is small, since most of this is changes to unreleased content
In brief:
Adds an exosuit monitor program
Fixes many visual issues with the downloader program
Tweaks Exosuit killswitch and EMP mechanics

code/modules/modular_computers/computers/machinery/console_presets.dm

@@ -44,7 +44,7 @@
 
 // ===== RESEARCH CONSOLE =====
 /obj/machinery/modular_computer/console/preset/research
-	 console_department = "Medbay"
+	 console_department = "Research"
 	 desc = "A stationary computer. This one comes preloaded with research programs."
 
 /obj/machinery/modular_computer/console/preset/research/install_programs()

code/modules/modular_computers/file_system/programs/_research.dm

@@ -0,0 +1,9 @@
+/datum/computer_file/program/exosuit_monitor
+	filename = "exosuitmonitor"
+	filedesc = "Exosuit monitoring and control"
+	nanomodule_path = /datum/nano_module/exosuit_control
+	program_icon_state = "mecha"
+	extended_desc = "This program allows remote monitoring and administration of exosuits with tracking beacons installed."
+	required_access = access_robotics
+	requires_ntnet = 1
+	size = 8

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

@@ -16,8 +16,9 @@
 	var/download_completion = 0 //GQ of downloaded data.
 	var/download_netspeed = 0
 	var/downloaderror = ""
+	var/downstream_variance = 0.1
 
-/datum/computer_file/program/ntnetdownload/proc/begin_file_download(var/filename)
+/datum/computer_file/program/ntnetdownload/proc/begin_file_download(var/filename, var/user = null)
 	if(downloaded_file)
 		return 0
 
@@ -46,6 +47,9 @@
 		hacked_download = 0
 
 	downloaded_file = PRG.clone()
+	if (user)
+		spawn()
+			ui_interact(user)
 
 /datum/computer_file/program/ntnetdownload/proc/abort_file_download()
 	if(!downloaded_file)
@@ -71,6 +75,7 @@
 		return
 	if(download_completion >= downloaded_file.size)
 		complete_file_download()
+		return
 	// Download speed according to connectivity state. NTNet server is assumed to be on unlimited speed so we're limited by our local connectivity
 	download_netspeed = 0
 	// Speed defines are found in misc.dm
@@ -81,14 +86,20 @@
 			download_netspeed = NTNETSPEED_HIGHSIGNAL
 		if(3)
 			download_netspeed = NTNETSPEED_ETHERNET
-	download_completion += download_netspeed
+
+	var/delta = ((rand()-0.5)*2)*downstream_variance*download_netspeed
+	//Download speed varies +/- 10% each proc. Adds a more realistic feel
+
+	download_netspeed += delta
+	download_netspeed = round(download_netspeed, 0.002)//3 decimal places
+	download_completion = min(download_completion + download_netspeed, downloaded_file.size)
 
 /datum/computer_file/program/ntnetdownload/Topic(href, href_list)
 	if(..())
 		return 1
 	if(href_list["PRG_downloadfile"])
 		if(!downloaded_file)
-			begin_file_download(href_list["PRG_downloadfile"])
+			begin_file_download(href_list["PRG_downloadfile"], usr)
 		return 1
 	if(href_list["PRG_reseterror"])
 		if(downloaderror)
@@ -125,8 +136,8 @@
 		data["downloadname"] = prog.downloaded_file.filename
 		data["downloaddesc"] = prog.downloaded_file.filedesc
 		data["downloadsize"] = prog.downloaded_file.size
-		data["downloadspeed"] = prog.download_netspeed
-		data["downloadcompletion"] = round(prog.download_completion, 0.1)
+		data["downloadspeed"] = (prog.download_netspeed * 0.5)//It updates every two seconds
+		data["downloadcompletion"] = round(prog.download_completion, 0.01)
 	else // No download running, pick file.
 		data["disk_size"] = my_computer.hard_drive.max_capacity
 		data["disk_used"] = my_computer.hard_drive.used_capacity