Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

OpenRA.Mods.Common/Traits/CapturableProgressBlink.cs

@@ -0,0 +1,83 @@
+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.Mods.Common.Effects;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Blinks the actor and captor when it is being captured.")]
+	sealed class CapturableProgressBlinkInfo : ConditionalTraitInfo, Requires<CapturableInfo>
+	{
+		[Desc("Number of ticks to wait between repeating blinks.")]
+		public readonly int Interval = 50;
+
+		[Desc("Sound to play at the same time the actor blinks.")]
+		public readonly string Sound = null;
+
+		public override object Create(ActorInitializer init) { return new CapturableProgressBlink(this); }
+	}
+
+	sealed class CapturableProgressBlink : ConditionalTrait<CapturableProgressBlinkInfo>, ITick, ICaptureProgressWatcher
+	{
+		readonly List<Player> captorOwners = [];
+		readonly HashSet<Actor> captors = [];
+		int tick = 0;
+
+		public CapturableProgressBlink(CapturableProgressBlinkInfo info)
+			: base(info) { }
+
+		void ICaptureProgressWatcher.Update(Actor self, Actor captor, Actor target, int current, int total)
+		{
+			if (self != target)
+				return;
+
+			if (total == 0)
+			{
+				captors.Remove(captor);
+				if (!captors.Any(c => c.Owner == captor.Owner))
+					captorOwners.Remove(captor.Owner);
+			}
+			else if (captors.Add(captor) && !captorOwners.Contains(captor.Owner))
+				captorOwners.Add(captor.Owner);
+		}
+
+		void ITick.Tick(Actor self)
+		{
+			if (IsTraitDisabled)
+				return;
+
+			if (captorOwners.Count == 0)
+			{
+				tick = 0;
+				return;
+			}
+
+			// Separate the blinks from different players by 4 ticks
+			if (tick / 4 < captorOwners.Count && tick % 4 == 0)
+			{
+				var captorOwner = captorOwners[tick / 4];
+				self.World.Add(new FlashTarget(self, captorOwner.Color));
+				foreach (var captor in captors)
+					if (captor.Owner == captorOwner)
+						self.World.Add(new FlashTarget(captor, captorOwner.Color));
+
+				if (Info.Sound != null)
+					Game.Sound.Play(SoundType.World, Info.Sound, self.CenterPosition);
+			}
+
+			if (++tick >= Info.Interval)
+				tick = 0;
+		}
+	}
+}