Add clock overlay to support power beacons.

OpenRA.Mods.RA/Effects/Beacon.cs

@@ -8,6 +8,7 @@
  */
 #endregion
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using OpenRA.Effects;
@@ -24,16 +25,18 @@ namespace OpenRA.Mods.RA.Effects
 		readonly Animation arrow;
 		readonly Animation circles;
 		readonly Animation poster;
+		readonly Animation clock;
+
 		static readonly int maxArrowHeight = 512;
 		int arrowHeight = maxArrowHeight;
 		int arrowSpeed = 50;
 
-		public Beacon(Player owner, WPos position, int duration, string palettePrefix, string posterType, string posterPalette)
+		// Player-placed beacons are removed after a delay
+		public Beacon(Player owner, WPos position, int duration, string palettePrefix)
 		{
 			this.owner = owner;
 			this.position = position;
 			this.palettePrefix = palettePrefix;
-			this.posterPalette = posterPalette;
 
 			arrow = new Animation(owner.World, "beacon");
 			circles = new Animation(owner.World, "beacon");
@@ -41,14 +44,27 @@ namespace OpenRA.Mods.RA.Effects
 			arrow.Play("arrow");
 			circles.Play("circles");
 
+			if (duration > 0)
+				owner.World.Add(new DelayedAction(duration, () => owner.World.Remove(this)));
+		}
+
+		// Support power beacons are expected to clean themselves up
+		public Beacon(Player owner, WPos position, string palettePrefix, string posterType, string posterPalette, Func<float> clockFraction)
+			: this(owner, position, -1, palettePrefix)
+		{
+			this.posterPalette = posterPalette;
+
 			if (posterType != null)
 			{
 				poster = new Animation(owner.World, "beacon");
 				poster.Play(posterType);
-			}
 
-			if (duration > 0)
-				owner.World.Add(new DelayedAction(duration, () => owner.World.Remove(this)));
+				if (clockFraction != null)
+				{
+					clock = new Animation(owner.World, "beacon");
+					clock.PlayFetchIndex("clock", () => Exts.Clamp((int)(clockFraction() * (clock.CurrentSequence.Length - 1)), 0, clock.CurrentSequence.Length - 1));
+				}
+			}
 		}
 
 		public void Tick(World world)
@@ -63,6 +79,9 @@ namespace OpenRA.Mods.RA.Effects
 
 			arrow.Tick();
 			circles.Tick();
+
+			if (clock != null)
+				clock.Tick();
 		}
 
 		public IEnumerable<IRenderable> Render(WorldRenderer r)
@@ -78,8 +97,14 @@ namespace OpenRA.Mods.RA.Effects
 				yield return a;
 
 			if (poster != null)
+			{
 				foreach (var a in poster.Render(position, r.Palette(posterPalette)))
 					yield return a;
+
+				if (clock != null)
+					foreach (var a in clock.Render(position, r.Palette(posterPalette)))
+						yield return a;
+			}
 		}
 	}
 }

OpenRA.Mods.RA/Effects/NukeLaunch.cs

@@ -90,5 +90,7 @@ namespace OpenRA.Mods.RA.Effects
 		{
 			return anim.Render(pos, wr.Palette("effect"));
 		}
+
+		public float FractionComplete { get { return ticks * 1f / delay; } }
 	}
 }

OpenRA.Mods.RA/Player/PlaceBeacon.cs

@@ -49,7 +49,7 @@ namespace OpenRA.Mods.RA
 				if (playerBeacon != null)
 					self.World.Remove(playerBeacon);
 
-				playerBeacon = new Beacon(self.Owner, pos, info.Duration, info.PalettePrefix, null, null);
+				playerBeacon = new Beacon(self.Owner, pos, info.Duration, info.PalettePrefix);
 				self.World.Add(playerBeacon);
 
 				if (self.Owner.IsAlliedWith(self.World.RenderPlayer))

OpenRA.Mods.RA/SupportPowers/AirstrikePower.cs

@@ -43,6 +43,9 @@ namespace OpenRA.Mods.RA
 		[Desc("Amount of time to keep the camera alive after the aircraft have finished attacking")]
 		public readonly int CameraRemoveDelay = 25;
 
+		[Desc("Weapon range offset to apply during the beacon clock calculation")]
+		public readonly WRange BeaconDistanceOffset = WRange.FromCells(6);
+
 		public override object Create(ActorInitializer init) { return new AirstrikePower(init.self, this); }
 	}
 
@@ -55,20 +58,6 @@ namespace OpenRA.Mods.RA
 		{
 			base.Activate(self, order, manager);
 
-			Beacon beacon = null;
-			if (Info.DisplayBeacon)
-			{
-				beacon = new Beacon(
-					order.Player,
-					order.TargetLocation.CenterPosition,
-					-1,
-					Info.BeaconPalettePrefix,
-					Info.BeaconPoster,
-					Info.BeaconPosterPalette);
-
-				self.World.Add(beacon);
-			}
-
 			var info = Info as AirstrikePowerInfo;
 			var attackFacing = Util.QuantizeFacing(self.World.SharedRandom.Next(256), info.QuantizedFacings) * (256 / info.QuantizedFacings);
 			var attackRotation = WRot.FromFacing(attackFacing);
@@ -81,6 +70,7 @@ namespace OpenRA.Mods.RA
 
 			Actor flare = null;
 			Actor camera = null;
+			Beacon beacon = null;
 			Dictionary<Actor, bool> aircraftInRange = new Dictionary<Actor, bool>();
 
 			Action<Actor> onEnterRange = a =>
@@ -147,6 +137,7 @@ namespace OpenRA.Mods.RA
 				var notification = self.Owner.IsAlliedWith(self.World.RenderPlayer) ? Info.LaunchSound : Info.IncomingSound;
 				Sound.Play(notification);
 
+				Actor distanceTestActor = null;
 				for (var i = -info.SquadSize / 2; i <= info.SquadSize / 2; i++)
 				{
 					// Even-sized squads skip the lead plane
@@ -174,6 +165,23 @@ namespace OpenRA.Mods.RA
 					a.QueueActivity(new Fly(a, Target.FromPos(finishEdge + spawnOffset)));
 					a.QueueActivity(new RemoveSelf());
 					aircraftInRange.Add(a, false);
+					distanceTestActor = a;
+				}
+
+				if (Info.DisplayBeacon)
+				{
+					var distance = (target - startEdge).HorizontalLength;
+
+					beacon = new Beacon(
+						order.Player,
+						order.TargetLocation.CenterPosition,
+						Info.BeaconPalettePrefix,
+						Info.BeaconPoster,
+						Info.BeaconPosterPalette,
+						() => 1 - ((distanceTestActor.CenterPosition - target).HorizontalLength - info.BeaconDistanceOffset.Range) * 1f / distance
+					);
+
+					w.Add(beacon);
 				}
 			});
 		}

OpenRA.Mods.RA/SupportPowers/NukePower.cs

@@ -68,20 +68,6 @@ namespace OpenRA.Mods.RA
 		{
 			base.Activate(self, order, manager);
 
-			Beacon beacon = null;
-			if (Info.DisplayBeacon)
-			{
-				beacon = new Beacon(
-					order.Player,
-					order.TargetLocation.CenterPosition,
-					-1,
-					Info.BeaconPalettePrefix,
-					Info.BeaconPoster,
-					Info.BeaconPosterPalette);
-
-				self.World.Add(beacon);
-			}
-
 			if (self.Owner.IsAlliedWith(self.World.RenderPlayer))
 				Sound.Play(Info.LaunchSound);
 			else
@@ -91,10 +77,12 @@ namespace OpenRA.Mods.RA
 			var rb = self.Trait<RenderSimple>();
 			rb.PlayCustomAnim(self, "active");
 
-			self.World.AddFrameEndTask(w => w.Add(new NukeLaunch(self.Owner, npi.MissileWeapon,
+			var missile = new NukeLaunch(self.Owner, npi.MissileWeapon,
 				self.CenterPosition + body.LocalToWorld(npi.SpawnOffset),
 				order.TargetLocation.CenterPosition,
-				npi.FlightVelocity, npi.FlightDelay, npi.SkipAscent)));
+				npi.FlightVelocity, npi.FlightDelay, npi.SkipAscent);
+
+			self.World.AddFrameEndTask(w => w.Add(missile));
 
 			if (npi.CameraActor != null)
 			{
@@ -111,15 +99,29 @@ namespace OpenRA.Mods.RA
 				self.World.AddFrameEndTask(w => w.Add(new DelayedAction(npi.FlightDelay - npi.CameraSpawnAdvance, addCamera)));
 			}
 
-			if (beacon != null)
+			if (Info.DisplayBeacon)
 			{
+				var beacon = new Beacon(
+					order.Player,
+					order.TargetLocation.CenterPosition,
+					Info.BeaconPalettePrefix,
+					Info.BeaconPoster,
+					Info.BeaconPosterPalette,
+					() => missile.FractionComplete
+				);
+
+
 				Action removeBeacon = () => self.World.AddFrameEndTask(w =>
 				{
 					w.Remove(beacon);
 					beacon = null;
 				});
 
-				self.World.AddFrameEndTask(w => w.Add(new DelayedAction(npi.FlightDelay - npi.BeaconRemoveAdvance, removeBeacon)));
+				self.World.AddFrameEndTask(w =>
+				{
+					w.Add(beacon);
+					w.Add(new DelayedAction(npi.FlightDelay - npi.BeaconRemoveAdvance, removeBeacon));
+				});
 			}
 		}
 	}

mods/cnc/sequences/misc.yaml

@@ -169,6 +169,10 @@ beacon:
 		Start: 0
 		Length: 1
 		Offset: 0,-42
+	clock: beaconclock
+		Start: 0
+		Length: *
+		Offset: 0,-42
 
 select:
 	repair:

mods/ra/sequences/misc.yaml

@@ -125,6 +125,10 @@ beacon:
 		Start: 0
 		Length: *
 		Offset: 0,-42
+	clock: beaconclock
+		Start: 0
+		Length: *
+		Offset: 0,-42
 
 smoke_m:
 	idle: