updoot

code/game/machinery/shuttle/shield/ship_shield_generator.dm

@@ -0,0 +1,165 @@
+// magnetocore - the core of the shield generator
+// magnetosphere - the shield itself, on the ship
+
+// now you might be thinking, if its a magnetosphere doesnt it only protect from magnetic materials?
+// cope about it it sounds cool
+
+/obj/machinery/power/ship_shield_generator
+	name = "shield generator"
+	desc = "A high complex machinery which uses an projected electromagnetic field to protect the ship from damage."
+	icon = 'icons/obj/machines/shield_generator.dmi'
+	icon_state = "core-off"
+	// we only need power to spool up the shield, no power is used if the core is already charged
+	active_power_usage = 2000
+	use_power = ACTIVE_POWER_USE
+	power_channel = AREA_USAGE_EQUIP
+
+	max_integrity = 1000
+	integrity_failure = 250
+	var/repair_integrity = 125
+
+	/// The ship we are linked to.
+	var/datum/overmap/ship/controlled/linked_ship
+	/// The apc we are drawing power from.
+	var/obj/machinery/power/apc/linked_apc
+
+	/// The rate of charge per tick.
+	var/charge_rate
+	/// The maximum charge of the core.
+	var/charge_max
+	/// The current charge of the core.
+	var/charge
+	/// The ratio of power to charge
+	var/charge_ratio = 2
+
+	/// The rate of spooling per tick.
+	var/spool_rate
+	/// The current spool percent.
+	var/spool_percent
+	/// The penalty for spooling while inoperable.
+	var/spool_inoperable_penalty = 0.8
+
+	var/inoperable_announced = FALSE
+
+/obj/machinery/power/ship_shield_generator/update_icon_state()
+	..()
+	if(!is_operational || isnull(powernet))
+		icon_state = "core-depower"
+	else if(!spool_percent)
+		icon_state = "core-off"
+	else if(spool_percent < 100)
+		icon_state = "core-spool"
+	else
+		icon_state = "core-stable"
+
+/obj/machinery/power/ship_shield_generator/update_overlays()
+	. = ..()
+	switch(spool_percent)
+		if(0)
+			return
+		if(1 to 33)
+			. += "startup"
+		if(34 to 66)
+			. += "idle"
+		if(67 to 99)
+			. += "activating"
+		if(100)
+			. += "actived"
+
+/obj/machinery/power/ship_shield_generator/update_overlays()
+	. = ..()
+	if(!is_operational)
+		return
+
+/obj/machinery/power/ship_shield_generator/connect_to_shuttle(obj/docking_port/mobile/port, obj/docking_port/stationary/dock)
+	var/datum/overmap/ship/controlled/port_ship = port.current_ship
+	if(isnull(port_ship))
+		return
+
+	if(!isnull(port_ship.shield_generator) && port_ship.shield_generator != src)
+		say("Unable to link to ship magnetosphere array, interference detected.")
+		return
+
+	port_ship.shield_generator = src
+	linked_ship = port_ship
+	linked_ship.broadcast("Link established to ship magnetosphere array.")
+
+/obj/machinery/power/ship_shield_generator/process()
+	if(isnull(linked_ship))
+		return PROCESS_KILL
+
+	if(spool_percent < 100)
+		process_spooling()
+		return
+
+	if(charge >= charge_max)
+		return
+	process_charge()
+
+/obj/machinery/power/ship_shield_generator/proc/update_charge(new_charge)
+	if(new_charge > charge_max)
+		new_charge = charge_max
+	charge = new_charge
+	update_appearance()
+
+/obj/machinery/power/ship_shield_generator/proc/process_spooling()
+	if(!is_operational || isnull(powernet)) // you are very punished for not powering this
+		spool_percent = max((spool_percent * spool_inoperable_penalty) - spool_rate, 0)
+		if(!inoperable_announced)
+			linked_ship.broadcast("Magenetocore power failure.")
+			inoperable_announced = TRUE
+
+	else
+		spool_percent += spool_rate
+
+	if(spool_percent >= 100)
+		spool_percent = 100
+		use_power = NO_POWER_USE
+		linked_ship.broadcast("Ferrofluid magnetocore at maximum velocity. Shield operational.")
+		inoperable_announced = FALSE
+	update_appearance()
+
+/obj/machinery/power/ship_shield_generator/proc/process_charge()
+	var/wanted_charge = min(charge_max - charge, charge_rate)
+	var/wanted_power = min(wanted_charge * charge_ratio, powernet.avail)
+	var/actual_charge = wanted_power / charge_ratio
+	use_power(wanted_power)
+	update_charge(charge + actual_charge)
+
+/// Call this when the shield is hit with enough force to outright break it
+/obj/machinery/power/ship_shield_generator/proc/charge_depleted()
+	set_machine_stat(machine_stat|BROKEN)
+	linked_ship.broadcast("Critical failure in magnetocore, unable to error correct.")
+	spool_percent = 0
+	playsound(src, 'sound/mecha/mech_shield_drop.ogg', 50)
+
+/obj/machinery/power/ship_shield_generator/welder_act(mob/living/user, obj/item/weldingtool/welder)
+	if(obj_integrity >= max_integrity)
+		return
+
+	if(!welder.isOn())
+		balloon_alert(user, "welder off!")
+		return TRUE
+
+	if(welder.get_fuel() < 2)
+		balloon_alert(user, "not enough fuel!")
+		return TRUE
+
+	var/repair_time = 2 SECONDS
+	balloon_alert(user, "repairing...")
+	while(do_after(user, repair_time, target = src))
+		if(!welder.use(2))
+			balloon_alert(user, "not enough fuel!")
+			return TRUE
+
+		obj_integrity = min(obj_integrity + repair_integrity, max_integrity)
+		if(obj_integrity >= max_integrity)
+			balloon_alert(user, "repaired.")
+			set_machine_stat(machine_stat & ~BROKEN)
+			return TRUE
+
+		if(repair_time > 0.5 SECONDS)
+			repair_time -= 0.5 SECONDS
+
+	balloon_alert(user, "stopped!")
+	return TRUE

code/modules/overmap/ships/controlled_ship_datum.dm

@@ -63,6 +63,11 @@
 	///Time that next job slot change can occur
 	COOLDOWN_DECLARE(job_slot_adjustment_cooldown)
 
+	/// The ship's shield generator
+	var/obj/machinery/power/ship_shield_generator/shield_generator
+	/// The frequency that the ship's radio uses
+	var/ship_radio_frequency = FREQ_COMMON
+
 /datum/overmap/ship/controlled/Rename(new_name, force = FALSE)
 	var/oldname = name
 	if(!..() || (!COOLDOWN_FINISHED(src, rename_cooldown) && !force))
@@ -448,3 +453,17 @@
 
 	master_ship.attempt_key_usage(user, src, src) // hello I am a helm console I promise
 	return TRUE
+
+/datum/overmap/ship/controlled/proc/broadcast(atom/movable/speaker, message)
+	set waitfor = FALSE
+
+	var/datum/signal/subspace/vocal/signal = new(
+		speaker,
+		ship_radio_frequency,
+		new /atom/movable/virtualspeaker(null, speaker),
+		/datum/language/common,
+		message,
+		list(SPAN_ROBOT, SPAN_COMMAND),
+		list(MODE_CUSTOM_SAY_EMOTE = "coldly states"),
+	)
+	signal.send_to_receivers()

shiptest.dme

@@ -957,6 +957,7 @@
 #include "code\game\machinery\shuttle\shuttle_engine.dm"
 #include "code\game\machinery\shuttle\shuttle_engine_types.dm"
 #include "code\game\machinery\shuttle\shuttle_heater.dm"
+#include "code\game\machinery\shuttle\shield\ship_shield_generator.dm"
 #include "code\game\machinery\telecomms\broadcasting.dm"
 #include "code\game\machinery\telecomms\machine_interactions.dm"
 #include "code\game\machinery\telecomms\telecomunications.dm"