Replaces Subsystems (mostly) with internal computing device (#7798)

This is for robots.

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

@@ -31,7 +31,7 @@
 		else
 			idle_threads.Remove(P)
 
-	working = hard_drive && processor_unit && damage < broken_damage && (apc_power(0) || battery_power(0))
+	working = hard_drive && processor_unit && damage < broken_damage && computer_use_power()
 	check_update_ui_need()
 
 	if (working && enabled && world.time > ambience_last_played + 30 SECONDS && prob(3))
@@ -125,7 +125,7 @@
 		else
 			to_chat(user, "You press the power button, but the computer fails to boot up, displaying variety of errors before shutting down again.")
 		return
-	if(processor_unit && (apc_power(0) || battery_power(0))) // Battery-run and charged or non-battery but powered by APC.
+	if(processor_unit && computer_use_power()) // Battery-run and charged or non-battery but powered by APC.
 		if(issynth)
 			to_chat(user, "You send an activation signal to \the [src], turning it on")
 		else

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

@@ -38,6 +38,16 @@
 	A.use_power(power_usage, EQUIP)
 	return TRUE
 
+
+// Tries to use power in general (Abstraction)
+/obj/item/modular_computer/proc/computer_use_power(var/power_usage = 0)
+	// First tries to charge from an APC, if APC is unavailable switches to battery power. If neither works the computer fails.
+	if(apc_power(power_usage))
+		return TRUE
+	if(battery_power(power_usage))
+		return TRUE
+	return FALSE
+
 // Handles power-related things, such as battery interaction, recharging, shutdown when it's discharged
 /obj/item/modular_computer/proc/handle_power()
 	var/power_usage = screen_on ? base_active_power_usage : base_idle_power_usage
@@ -47,13 +57,8 @@
 				power_usage += H.power_usage
 		last_power_usage = power_usage
 
-	// First tries to charge from an APC, if APC is unavailable switches to battery power. If neither works the computer fails.
-	if(apc_power(power_usage))
-		if (power_has_failed)
-			power_has_failed = FALSE
-			update_icon()
-		return
-	if(battery_power(power_usage))
+	
+	if(computer_use_power(power_usage))
 		if (power_has_failed)
 			power_has_failed = FALSE
 			update_icon()

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

@@ -5,7 +5,7 @@
 		if(ui)
 			ui.close()
 		return
-	if(!apc_power(0) && !battery_power(0))
+	if(!computer_use_power())
 		if(ui)
 			ui.close()
 		return

code/modules/modular_computers/computers/subtypes/dev_silicon.dm

@@ -0,0 +1,48 @@
+/obj/item/modular_computer/silicon
+	name = "internal computing device"
+	desc = "A synthetic computer."
+	hardware_flag = PROGRAM_SILICON
+	icon_state_unpowered = "laptop-open"
+	icon = 'icons/obj/modular_laptop.dmi'
+	icon_state = "laptop-open"
+	icon_state_broken = "laptop-broken"
+	base_idle_power_usage = 5
+	base_active_power_usage = 25
+	max_hardware_size = 2
+	max_damage = 50
+	w_class = 3
+	var/mob/living/silicon/computer_host		// Thing that contains this computer. Used for silicon computers
+
+/obj/item/modular_computer/silicon/Initialize(mapload)
+	. = ..()
+	if(istype(loc, /mob/living/silicon))
+		computer_host = loc
+	else
+		return
+	// Let's remove integrated verbs for ejecting things.
+	verbs -= /obj/item/modular_computer/verb/eject_ai
+	verbs -= /obj/item/modular_computer/verb/eject_id
+	verbs -= /obj/item/modular_computer/verb/eject_usb
+
+/obj/item/modular_computer/silicon/computer_use_power(power_usage)
+	// If we have host like AI, borg or pAI we handle there power
+	if(computer_host)
+		// If host is borg, we use power from it's cell, like anyone other module
+		if(istype(computer_host, /mob/living/silicon/robot))
+			var/mob/living/silicon/robot/R = computer_host
+			return R.cell_use_power(power_usage)
+		// If we are in AI or pAI we just don't botherwith power use.
+		return TRUE
+	else
+		// If we don't have host, then we let regular computer code handle power - like batteries and tesla coils
+		return ..()
+
+/obj/item/modular_computer/silicon/Destroy()
+	computer_host = null
+	return ..()
+
+/obj/item/modular_computer/silicon/Click(location, control, params)
+	if (!istype(usr, /mob/living/silicon) && host == usr)
+		return attack_self(usr)
+	return ..()
+	

code/modules/modular_computers/computers/subtypes/preset_silicon.dm

@@ -0,0 +1,14 @@
+/obj/item/modular_computer/silicon/preset
+	enrolled = 2
+
+/obj/item/modular_computer/silicon/preset/install_default_hardware()
+	. = ..()
+	processor_unit = new/obj/item/computer_hardware/processor_unit(src)
+	hard_drive = new/obj/item/computer_hardware/hard_drive(src)
+	network_card = new/obj/item/computer_hardware/network_card(src)
+
+
+/obj/item/modular_computer/silicon/preset/install_default_programs()
+	hard_drive.store_file(new /datum/computer_file/program/filemanager())
+	hard_drive.store_file(new /datum/computer_file/program/ntnetdownload())
+	hard_drive.remove_file(hard_drive.find_file_by_name("clientmanager"))