Add map beacons and radar pings

OpenRA.Mods.RA/Player/PlaceBeacon.cs

@@ -0,0 +1,73 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using OpenRA.Mods.RA.Effects;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	public class PlaceBeaconInfo : ITraitInfo
+	{
+		public readonly int Duration = 30 * 25;
+		public readonly string NotificationType = "Sounds";
+		public readonly string Notification = "Beacon";
+		public readonly string PalettePrefix = "player";
+
+		public object Create(ActorInitializer init) { return new PlaceBeacon(init.self, this); }
+	}
+
+	public class PlaceBeacon : IResolveOrder
+	{
+		readonly PlaceBeaconInfo info;
+		readonly RadarPings radarPings;
+
+		Beacon playerBeacon;
+		RadarPing playerRadarPing;
+
+		public PlaceBeacon(Actor self, PlaceBeaconInfo info)
+		{
+			radarPings = self.World.WorldActor.TraitOrDefault<RadarPings>();
+			this.info = info;
+		}
+
+		public void ResolveOrder(Actor self, Order order)
+		{
+			if (order.OrderString != "PlaceBeacon")
+				return;
+
+			var pos = order.TargetLocation.CenterPosition;
+
+			self.World.AddFrameEndTask(w =>
+			{
+				if (playerBeacon != null)
+					self.World.Remove(playerBeacon);
+
+				playerBeacon = new Beacon(self.Owner, pos, info.Duration, info.PalettePrefix);
+				self.World.Add(playerBeacon);
+
+				if (self.Owner.IsAlliedWith(self.World.RenderPlayer))
+					Sound.PlayNotification(null, info.NotificationType, info.Notification,
+						self.World.RenderPlayer != null ? self.World.RenderPlayer.Country.Race : null);
+
+				if (radarPings != null)
+				{
+					if (playerRadarPing != null)
+						radarPings.Remove(playerRadarPing);
+
+					playerRadarPing = radarPings.Add(
+						() => self.Owner.IsAlliedWith(self.World.RenderPlayer),
+						pos,
+						self.Owner.Color.RGB,
+						info.Duration);
+				}
+			});
+		}
+	}
+}