Added Ability to turn on and turn off a dropship alarm. (Requires pro…

…jecting-looping-sounds branch made 5 November 2023 to work)

code/datums/looping_sounds/misc_sounds.dm

@@ -0,0 +1,3 @@
+/datum/looping_sound/looping_launch_announcement_alarm
+	mid_sounds = list('sound/vehicles/Dropships/Single Alarm brr.ogg' = 1)
+	start_sound = list('sound/items/taperecorder/taperecorder_hiss_start.ogg' = 1)

code/modules/shuttle/computers/dropship_computer.dm

@@ -319,6 +319,9 @@
 	.["door_status"] = is_remote ? list() : shuttle.get_door_data()
 	.["has_flyby_skill"] = skillcheck(user, SKILL_PILOT, SKILL_PILOT_EXPERT)
 
+	// Launch Alarm Variables
+	.["playing_Launch_Announcement_Alarm"] = shuttle.playing_Launch_Announcement_Alarm
+
 	.["destinations"] = list()
 	// add flight
 	.["destinations"] += list(
@@ -469,6 +472,14 @@
 		if("cancel-flyby")
 			if(shuttle.in_flyby && shuttle.timer && shuttle.timeLeft(1) >= DROPSHIP_WARMUP_TIME)
 				shuttle.setTimer(DROPSHIP_WARMUP_TIME)
+		if("playlaunchannouncementalarm")
+			shuttle.alarm_sound_loop.start()
+			shuttle.playing_Launch_Announcement_Alarm = 1
+			return TRUE
+		if ("stopplaylaunchannouncementalarm")
+			shuttle.alarm_sound_loop.stop()
+			shuttle.playing_Launch_Announcement_Alarm = 0
+			return TRUE
 
 /obj/structure/machinery/computer/shuttle/dropship/flight/lz1
 	icon = 'icons/obj/structures/machinery/computer.dmi'

code/modules/shuttle/shuttle.dm

@@ -343,6 +343,9 @@
 	var/rechargeTime = 0 //time spent after arrival before being able to launch again
 	var/prearrivalTime = 0 //delay after call time finishes for sound effects, explosions, etc.
 
+	var/playing_Launch_Announcement_Alarm = 0 // 0 = off ; 1 = on
+	var/datum/looping_sound/looping_launch_announcement_alarm/alarm_sound_loop
+
 	var/landing_sound = 'sound/effects/engine_landing.ogg'
 	var/ignition_sound = 'sound/effects/engine_startup.ogg'
 	/// Default shuttle audio ambience while flying
@@ -410,6 +413,14 @@
 	initial_engines = count_engines()
 	current_engines = initial_engines
 
+	//Launch Announcement Alarm variables setup
+	alarm_sound_loop = new(src)
+	alarm_sound_loop.mid_length = 20
+	alarm_sound_loop.extra_range = 30
+	alarm_sound_loop.volume = 100
+	alarm_sound_loop.is_sound_projecting = TRUE
+	alarm_sound_loop.falloff_distance = 7
+
 	#ifdef DOCKING_PORT_HIGHLIGHT
 	highlight("#0f0")
 	#endif

colonialmarines.dme

@@ -553,6 +553,7 @@
 #include "code\datums\langchat\langchat.dm"
 #include "code\datums\looping_sounds\_looping_sound.dm"
 #include "code\datums\looping_sounds\item_sounds.dm"
+#include "code\datums\looping_sounds\misc_sounds.dm"
 #include "code\datums\origin\civilian.dm"
 #include "code\datums\origin\origin.dm"
 #include "code\datums\origin\upp.dm"

tgui/packages/tgui/interfaces/DropshipFlightControl.tsx

@@ -23,6 +23,10 @@ interface DropshipNavigationProps extends NavigationProps {
   primary_lz?: string;
   automated_control: AutomatedControl;
   has_flyby_skill: 0 | 1;
+
+  playing_Launch_Announcement_Alarm: 0 | 1;
+  launchAnnouncementAlarmTimer: number /* the timer that counts */;
+  launchAnnouncementAlarmExpireTime: number /* When the timer expires. How long the alarm can play. */;
 }
 
 const DropshipDoorControl = (_, context) => {
@@ -276,6 +280,61 @@ const AutopilotConfig = (props, context) => {
   );
 };
 
+export const StopPlayLaunchAnnouncementAlarm = (_, context) => {
+  const { act } = useBackend<NavigationProps>(context);
+  return (
+    <Button
+      icon="ban"
+      onClick={() => {
+        act('stopplaylaunchannouncementalarm');
+      }}>
+      Stop Alarm
+    </Button>
+  );
+};
+
+export const PlayLaunchAnnouncementAlarm = (_, context) => {
+  const { act } = useBackend<NavigationProps>(context);
+  return (
+    <Button
+      icon="rocket"
+      onClick={() => {
+        act('playlaunchannouncementalarm');
+      }}>
+      Start Alarm
+    </Button>
+  );
+};
+
+export const LaunchAnnouncementAlarm = (_, context) => {
+  const { data, act } = useBackend<DropshipNavigationProps>(context);
+  const [siteselection, setSiteSelection] = useSharedState<string | undefined>(
+    context,
+    'target_site',
+    undefined
+  );
+  return (
+    <Section
+      title="Launch Announcement Alarm"
+      buttons={
+        <>
+          {data.playing_Launch_Announcement_Alarm === 0 && (
+            <PlayLaunchAnnouncementAlarm />
+          )}
+
+          {data.playing_Launch_Announcement_Alarm === 1 && (
+            <Button
+              onClick={() => act('stopplaylaunchannouncementalarm')}
+              icon="triangle-exclamation">
+              Stop Launch Alarm
+            </Button>
+          )}
+        </>
+      }
+    />
+  );
+};
+
 const RenderScreen = (props, context) => {
   const { data } = useBackend<DropshipNavigationProps>(context);
   return (
@@ -292,6 +351,7 @@ const RenderScreen = (props, context) => {
         <DropshipDestinationSelection />
       )}
       {data.door_status.length > 0 && <DropshipDoorControl />}
+      {<LaunchAnnouncementAlarm />}
     </>
   );
 };