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/Crates/GrantExternalConditionCrateAction.cs

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+#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.Linq;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Grants a condition to the collector and nearby units.")]
+	public class GrantExternalConditionCrateActionInfo : CrateActionInfo
+	{
+		[FieldLoader.Require]
+		[Desc("The condition to apply. Must be included in the target actor's ExternalConditions list.")]
+		public readonly string Condition = null;
+
+		[Desc("How many times to grant the condition.")]
+		public readonly int Levels = 1;
+
+		[Desc("Duration of the condition (in ticks). Set to 0 for a permanent condition.")]
+		public readonly int Duration = 0;
+
+		[Desc("The range to search for extra collectors in.", "Extra collectors will also be granted the crate action.")]
+		public readonly WDist Range = new(3);
+
+		[Desc("The maximum number of extra collectors to grant the crate action to.", "-1 = no limit")]
+		public readonly int MaxExtraCollectors = 4;
+
+		public override object Create(ActorInitializer init) { return new GrantExternalConditionCrateAction(init.Self, this); }
+	}
+
+	public class GrantExternalConditionCrateAction : CrateAction
+	{
+		readonly Actor self;
+		readonly GrantExternalConditionCrateActionInfo info;
+
+		public GrantExternalConditionCrateAction(Actor self, GrantExternalConditionCrateActionInfo info)
+			: base(self, info)
+		{
+			this.self = self;
+			this.info = info;
+		}
+
+		bool AcceptsCondition(Actor a)
+		{
+			return a.TraitsImplementing<ExternalCondition>()
+				.Any(t => t.Info.Condition == info.Condition && t.CanGrantCondition(self));
+		}
+
+		public override int GetSelectionShares(Actor collector)
+		{
+			return AcceptsCondition(collector) ? info.SelectionShares : 0;
+		}
+
+		public override void Activate(Actor collector)
+		{
+			if (collector.IsInWorld && !collector.IsDead)
+				GrantCondition(collector);
+
+			var actorsInRange = self.World.FindActorsInCircle(self.CenterPosition, info.Range)
+				.Where(a => a != self && a != collector && a.IsInWorld && !a.IsDead && a.Owner == collector.Owner && AcceptsCondition(a))
+				.OrderBy(a => (a.CenterPosition - self.CenterPosition).LengthSquared);
+
+			foreach (var a in info.MaxExtraCollectors > -1 ? actorsInRange.Take(info.MaxExtraCollectors) : actorsInRange)
+				GrantCondition(a);
+
+			base.Activate(collector);
+		}
+
+		void GrantCondition(Actor actor)
+		{
+			var externals = actor.TraitsImplementing<ExternalCondition>()
+				.Where(t => t.Info.Condition == info.Condition)
+				.ToList();
+
+			ExternalCondition external = null;
+			for (var n = 0; n < info.Levels; n++)
+			{
+				if (external == null || !external.CanGrantCondition(self))
+				{
+					external = externals.FirstOrDefault(t => t.CanGrantCondition(self));
+					if (external == null)
+						break;
+				}
+
+				external.GrantCondition(actor, self, info.Duration);
+			}
+		}
+	}
+}