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.Cnc/Traits/Render/WithEmbeddedTurretSpriteBody.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;
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Graphics;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Mods.Common.Traits.Render;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Cnc.Traits.Render
+{
+	[Desc("This actor has turret art with facings baked into the sprite.")]
+	public class WithEmbeddedTurretSpriteBodyInfo : WithSpriteBodyInfo, Requires<TurretedInfo>, Requires<BodyOrientationInfo>
+	{
+		[Desc("Number of facings for gameplay calculations. -1 indicates auto-detection from the sequence.")]
+		public readonly int QuantizedFacings = -1;
+
+		public override object Create(ActorInitializer init) { return new WithEmbeddedTurretSpriteBody(init, this); }
+
+		public override IEnumerable<IActorPreview> RenderPreviewSprites(ActorPreviewInitializer init, string image, int facings, PaletteReference p)
+		{
+			if (!EnabledByDefault)
+				yield break;
+
+			var t = init.Actor.TraitInfos<TurretedInfo>().First();
+			var wsb = init.Actor.TraitInfos<WithSpriteBodyInfo>().First();
+
+			// Show the correct turret facing
+			var anim = new Animation(init.World, image, t.WorldFacingFromInit(init));
+			anim.PlayRepeating(RenderSprites.NormalizeSequence(anim, init.GetDamageState(), wsb.Sequence));
+
+			yield return new SpriteActorPreview(anim, () => WVec.Zero, () => 0, p);
+		}
+	}
+
+	public class WithEmbeddedTurretSpriteBody : WithSpriteBody
+	{
+		readonly WithEmbeddedTurretSpriteBodyInfo info;
+		readonly Turreted turreted;
+
+		static Func<WAngle> MakeTurretFacingFunc(Actor self)
+		{
+			// Turret artwork is baked into the sprite, so only the first turret makes sense.
+			var firstTurret = self.TraitsImplementing<Turreted>().First();
+			return () => firstTurret.WorldOrientation.Yaw;
+		}
+
+		public WithEmbeddedTurretSpriteBody(ActorInitializer init, WithEmbeddedTurretSpriteBodyInfo info)
+			: base(init, info, MakeTurretFacingFunc(init.Self))
+		{
+			this.info = info;
+			turreted = init.Self.TraitsImplementing<Turreted>().First();
+		}
+
+		protected override void TraitEnabled(Actor self)
+		{
+			base.TraitEnabled(self);
+			turreted.QuantizedFacings = info.QuantizedFacings >= 0 ? info.QuantizedFacings : DefaultAnimation.CurrentSequence.Facings;
+		}
+
+		protected override void DamageStateChanged(Actor self)
+		{
+			base.DamageStateChanged(self);
+			turreted.QuantizedFacings = info.QuantizedFacings >= 0 ? info.QuantizedFacings : DefaultAnimation.CurrentSequence.Facings;
+		}
+	}
+}