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/AutoCrusher.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;
+using OpenRA.Mods.Common.Activities;
+using OpenRA.Primitives;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	sealed class AutoCrusherInfo : PausableConditionalTraitInfo, Requires<IMoveInfo>
+	{
+		[Desc("Maximum range to scan for targets.")]
+		public readonly WDist ScanRadius = WDist.FromCells(5);
+
+		[Desc("The minimal amount of ticks to wait between scanning for targets.")]
+		public readonly int MinimumScanTimeInterval = 10;
+
+		[Desc("The maximal amount of ticks to wait between scanning for targets.")]
+		public readonly int MaximumScanTimeInterval = 15;
+
+		[Desc("The crush class(es) that can be automatically crushed.")]
+		public readonly BitSet<CrushClass> CrushClasses = default;
+
+		[Desc("Player relationships the owner of the actor needs to get targeted.")]
+		public readonly PlayerRelationship TargetRelationships = PlayerRelationship.Ally | PlayerRelationship.Neutral | PlayerRelationship.Enemy;
+
+		public override object Create(ActorInitializer init) { return new AutoCrusher(init.Self, this); }
+	}
+
+	sealed class AutoCrusher : ConditionalTrait<AutoCrusherInfo>, INotifyIdle
+	{
+		int nextScanTime;
+		readonly IMoveInfo moveInfo;
+		readonly bool isAircraft;
+		readonly bool ignoresDisguise;
+		readonly IMove move;
+
+		public AutoCrusher(Actor self, AutoCrusherInfo info)
+			: base(info)
+		{
+			move = self.Trait<IMove>();
+			moveInfo = self.Info.TraitInfo<IMoveInfo>();
+			isAircraft = move is Aircraft;
+			ignoresDisguise = self.Info.HasTraitInfo<IgnoresDisguiseInfo>();
+		}
+
+		void INotifyIdle.TickIdle(Actor self)
+		{
+			if (IsTraitDisabled || nextScanTime-- > 0)
+				return;
+
+			var crushableActor = self.World.FindActorsInCircle(self.CenterPosition, Info.ScanRadius)
+				.Where(a => IsValidCrushTarget(self, a))
+				.ClosestToWithPathFrom(self); // TODO: Make it use shortest pathfinding distance instead
+
+			if (crushableActor == null)
+				return;
+
+			if (isAircraft)
+				self.QueueActivity(new Land(self, Target.FromActor(crushableActor), targetLineColor: moveInfo.GetTargetLineColor()));
+			else
+				self.QueueActivity(move.MoveTo(crushableActor.Location, targetLineColor: moveInfo.GetTargetLineColor()));
+
+			nextScanTime = self.World.SharedRandom.Next(Info.MinimumScanTimeInterval, Info.MaximumScanTimeInterval);
+		}
+
+		bool IsValidCrushTarget(Actor self, Actor target)
+		{
+			if (target == self || target.IsDead || !target.IsInWorld || self.Location == target.Location || !target.IsAtGroundLevel())
+				return false;
+
+			var targetRelationship = self.Owner.RelationshipWith(target.Owner);
+			var effectiveOwner = target.EffectiveOwner?.Owner;
+			if (effectiveOwner != null && !ignoresDisguise && targetRelationship != PlayerRelationship.Ally)
+			{
+				// Check effective relationships if the target is disguised and we cannot see through the disguise. (By ignoring it or by being an ally.)
+				if (!Info.TargetRelationships.HasRelationship(self.Owner.RelationshipWith(effectiveOwner)))
+					return false;
+			}
+			else if (!Info.TargetRelationships.HasRelationship(targetRelationship))
+				return false;
+
+			if (target.TraitsImplementing<Cloak>().Any(c => !c.IsTraitDisabled && !c.IsVisible(target, self.Owner)))
+				return false;
+
+			return target.Crushables.Any(c => c.CrushableBy(target, self, Info.CrushClasses));
+		}
+
+		protected override void TraitEnabled(Actor self)
+		{
+			nextScanTime = self.World.SharedRandom.Next(Info.MinimumScanTimeInterval, Info.MaximumScanTimeInterval);
+		}
+	}
+}