Simpler lighting process, bug fixes, & modular computer tweaks (#1809)

Fixes #1806
Fixes #1730
Fixes #1747
Partially addresses #1763
Addresses #1283
Fixes #1799
Fixes #1816
Fixes #1813

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

@@ -83,15 +83,21 @@
 
 	overlays.Cut()
 	if(!enabled)
-		if(icon_state_screensaver)
+		var/probably_working = hard_drive && processor_unit && damage < broken_damage && (apc_power(0) || battery_power(0))
+		if(icon_state_screensaver && probably_working)
 			overlays.Add(icon_state_screensaver)
-		set_light(0)
+		
+		if (screensaver_light_range && probably_working)
+			set_light(screensaver_light_range, 1, screensaver_light_color ? screensaver_light_color : "#FFFFFF")
+		else
+			set_light(0)
 		return
-	set_light(light_strength)
 	if(active_program)
 		overlays.Add(active_program.program_icon_state ? active_program.program_icon_state : icon_state_menu)
+		set_light(light_strength, l_color = active_program.color)
 	else
 		overlays.Add(icon_state_menu)
+		set_light(light_strength, l_color = menu_light_color)
 
 /obj/item/modular_computer/proc/turn_on(var/mob/user)
 	if(tesla_link)

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

@@ -63,6 +63,7 @@
 		H.holder2 = src
 		user.drop_from_inventory(H)
 		H.forceMove(src)
+		update_icon()
 
 // Uninstalls component. Found and Critical vars may be passed by parent types, if they have additional hardware.
 /obj/item/modular_computer/proc/uninstall_component(var/mob/living/user, var/obj/item/weapon/computer_hardware/H, var/found = 0, var/critical = 0)
@@ -101,10 +102,10 @@
 			to_chat(user, "You remove \the [H] from \the [src].")
 		H.forceMove(get_turf(src))
 		H.holder2 = null
+		update_icon()
 		if(critical && enabled)
 			to_chat(user, "<span class='danger'>\The [src]'s screen freezes for few seconds and then displays an \"HARDWARE ERROR: Critical component disconnected. Please verify component connection and reboot the device. If the problem persists contact technical support for assistance.\" warning.</span>")
 			shutdown_computer()
-			update_icon()
 
 
 // Checks all hardware pieces to determine if name matches, if yes, returns the hardware piece, otherwise returns null

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

@@ -153,10 +153,14 @@
 		if(components.len)
 			to_chat(user, "Remove all components from \the [src] before disassembling it.")
 			return
-		new /obj/item/stack/material/steel( get_turf(src.loc), steel_sheet_cost )
-		src.visible_message("\The [src] has been disassembled by [user].")
-		//relay_qdel()
-		qdel(src)
+		to_chat(user, span("notice", "You begin to disassemble \the [src]."))
+		playsound(user, 'sound/items/Ratchet.ogg', 100, 1)
+		if (do_after(user, 20))
+			new /obj/item/stack/material/steel(get_turf(src.loc), steel_sheet_cost)
+			src.visible_message("\The [user] disassembles \the [src].", 
+				"You disassemble \the [src].",
+				"You hear a ratchet.")
+			qdel(src)
 		return
 	if(istype(W, /obj/item/weapon/weldingtool))
 		var/obj/item/weapon/weldingtool/WT = W
@@ -169,6 +173,7 @@
 			return
 
 		to_chat(user, "You begin repairing damage to \the [src]...")
+		playsound(src, 'sound/items/Welder.ogg', 100, 1)
 		if(WT.remove_fuel(round(damage/75)) && do_after(usr, damage/10))
 			damage = 0
 			to_chat(user, "You repair \the [src].")

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

@@ -28,6 +28,9 @@
 	var/icon_state_unpowered = null							// Icon state when the computer is turned off
 	var/icon_state_menu = "menu"							// Icon state overlay when the computer is turned on, but no program is loaded that would override the screen.
 	var/icon_state_screensaver = null
+	var/screensaver_light_range = 0
+	var/screensaver_light_color = null
+	var/menu_light_color = null
 	var/max_hardware_size = 0								// Maximal hardware size. Currently, tablets have 1, laptops 2 and consoles 3. Limits what hardware types can be installed.
 	var/steel_sheet_cost = 5								// Amount of steel sheets refunded when disassembling an empty frame of this computer.
 	var/light_strength = 0									// Intensity of light this computer emits. Comparable to numbers light fixtures use.