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/Buildings/TransformsIntoPassenger.cs

@@ -0,0 +1,162 @@
+#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.Activities;
+using OpenRA.Mods.Common.Orders;
+using OpenRA.Primitives;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Add to a building to expose a move cursor that triggers Transforms and issues an EnterTransport order to the transformed actor.")]
+	public class TransformsIntoPassengerInfo : ConditionalTraitInfo, Requires<TransformsInfo>
+	{
+		public readonly string CargoType = null;
+		public readonly int Weight = 1;
+
+		[VoiceReference]
+		public readonly string Voice = "Action";
+
+		[Desc("Color to use for the target line.")]
+		public readonly Color TargetLineColor = Color.Green;
+
+		[Desc("Require the force-move modifier to display the enter cursor.")]
+		public readonly bool RequiresForceMove = false;
+
+		[CursorReference]
+		[Desc("Cursor to display when able to enter target actor.")]
+		public readonly string EnterCursor = "enter";
+
+		[CursorReference]
+		[Desc("Cursor to display when unable to enter target actor.")]
+		public readonly string EnterBlockedCursor = "enter-blocked";
+
+		public override object Create(ActorInitializer init) { return new TransformsIntoPassenger(init.Self, this); }
+	}
+
+	public class TransformsIntoPassenger : ConditionalTrait<TransformsIntoPassengerInfo>, IIssueOrder, IResolveOrder, IOrderVoice
+	{
+		readonly Actor self;
+		Transforms[] transforms;
+
+		public TransformsIntoPassenger(Actor self, TransformsIntoPassengerInfo info)
+			: base(info)
+		{
+			this.self = self;
+		}
+
+		protected override void Created(Actor self)
+		{
+			transforms = self.TraitsImplementing<Transforms>().ToArray();
+			base.Created(self);
+		}
+
+		IEnumerable<IOrderTargeter> IIssueOrder.Orders
+		{
+			get
+			{
+				if (!IsTraitDisabled)
+					yield return new EnterAlliedActorTargeter<CargoInfo>(
+						"EnterTransport",
+						5,
+						Info.EnterCursor,
+						Info.EnterBlockedCursor,
+						IsCorrectCargoType,
+						CanEnter);
+			}
+		}
+
+		Order IIssueOrder.IssueOrder(Actor self, IOrderTargeter order, in Target target, bool queued)
+		{
+			if (order.OrderID == "EnterTransport")
+				return new Order(order.OrderID, self, target, queued);
+
+			return null;
+		}
+
+		bool IsCorrectCargoType(Actor target, TargetModifiers modifiers)
+		{
+			if (Info.RequiresForceMove && !modifiers.HasModifier(TargetModifiers.ForceMove))
+				return false;
+
+			return IsCorrectCargoType(target);
+		}
+
+		bool IsCorrectCargoType(Actor target)
+		{
+			var ci = target.Info.TraitInfo<CargoInfo>();
+			return ci.Types.Contains(Info.CargoType);
+		}
+
+		bool CanEnter(Actor target)
+		{
+			if (!(self.CurrentActivity is Transform || transforms.Any(t => !t.IsTraitDisabled && !t.IsTraitPaused)))
+				return false;
+
+			var cargo = target.TraitOrDefault<Cargo>();
+			return cargo != null && cargo.HasSpace(Info.Weight);
+		}
+
+		void IResolveOrder.ResolveOrder(Actor self, Order order)
+		{
+			if (IsTraitDisabled)
+				return;
+
+			if (order.OrderString != "EnterTransport")
+				return;
+
+			// Enter orders are only valid for own/allied actors,
+			// which are guaranteed to never be frozen.
+			if (order.Target.Type != TargetType.Actor)
+				return;
+
+			var targetActor = order.Target.Actor;
+			if (!CanEnter(targetActor))
+				return;
+
+			if (!IsCorrectCargoType(targetActor))
+				return;
+
+			var currentTransform = self.CurrentActivity as Transform;
+			var transform = transforms.FirstOrDefault(t => !t.IsTraitDisabled && !t.IsTraitPaused);
+			if (transform == null && currentTransform == null)
+				return;
+
+			// Manually manage the inner activity queue
+			var activity = currentTransform ?? transform.GetTransformActivity();
+			if (!order.Queued)
+				activity.NextActivity?.Cancel(self);
+
+			activity.Queue(new IssueOrderAfterTransform(order.OrderString, order.Target, Info.TargetLineColor));
+
+			if (currentTransform == null)
+				self.QueueActivity(order.Queued, activity);
+
+			self.ShowTargetLines();
+		}
+
+		string IOrderVoice.VoicePhraseForOrder(Actor self, Order order)
+		{
+			if (IsTraitDisabled)
+				return null;
+
+			if (order.OrderString != "EnterTransport")
+				return null;
+
+			if (order.Target.Type != TargetType.Actor || !CanEnter(order.Target.Actor))
+				return null;
+
+			return Info.Voice;
+		}
+	}
+}