Replaced RenderGunboat with WithGunboatBody

Based on WithSpriteBody.

OpenRA.Mods.Cnc/OpenRA.Mods.Cnc.csproj

@@ -81,7 +81,7 @@
     <Compile Include="Traits\AttackPopupTurreted.cs" />
     <Compile Include="Traits\Buildings\ProductionAirdrop.cs" />
     <Compile Include="Traits\PoisonedByTiberium.cs" />
-    <Compile Include="Traits\Render\RenderGunboat.cs" />
+    <Compile Include="Traits\Render\WithGunboatBody.cs" />
     <Compile Include="Traits\Render\WithCargo.cs" />
     <Compile Include="Traits\Render\WithDeliveryAnimation.cs" />
     <Compile Include="Traits\Render\WithRoof.cs" />

OpenRA.Mods.Cnc/Traits/Render/WithGunboatBody.cs

@@ -0,0 +1,90 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
+ * 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Cnc.Traits
+{
+	class WithGunboatBodyInfo : WithSpriteBodyInfo, Requires<IBodyOrientationInfo>, Requires<IFacingInfo>, Requires<TurretedInfo>
+	{
+		[Desc("Turreted 'Turret' key to display")]
+		public readonly string Turret = "primary";
+
+		[SequenceReference] public readonly string LeftSequence = "left";
+		[SequenceReference] public readonly string RightSequence = "right";
+		[SequenceReference] public readonly string WakeLeftSequence = "wake-left";
+		[SequenceReference] public readonly string WakeRightSequence = "wake-right";
+
+		public override object Create(ActorInitializer init) { return new WithGunboatBody(init, this); }
+
+		public override int QuantizedBodyFacings(ActorInfo ai, SequenceProvider sequenceProvider, string race)
+		{
+			return 2;
+		}
+	}
+
+	class WithGunboatBody : WithSpriteBody, ITick
+	{
+		readonly WithGunboatBodyInfo info;
+		readonly Animation wake;
+		readonly RenderSprites rs;
+		readonly IFacing facing;
+		readonly Turreted turret;
+
+		static Func<int> MakeTurretFacingFunc(Actor self)
+		{
+			// Turret artwork is baked into the sprite, so only the first turret makes sense.
+			var turreted = self.TraitsImplementing<Turreted>().FirstOrDefault();
+			return () => turreted.TurretFacing;
+		}
+
+		public WithGunboatBody(ActorInitializer init, WithGunboatBodyInfo info)
+			: base(init, info, MakeTurretFacingFunc(init.Self))
+		{
+			this.info = info;
+			rs = init.Self.Trait<RenderSprites>();
+			facing = init.Self.Trait<IFacing>();
+			var name = rs.GetImage(init.Self);
+			turret = init.Self.TraitsImplementing<Turreted>()
+				.First(t => t.Name == info.Turret);
+			turret.QuantizedFacings = DefaultAnimation.CurrentSequence.Facings;
+
+			wake = new Animation(init.World, name);
+			wake.PlayRepeating(info.WakeLeftSequence);
+			rs.Add(new AnimationWithOffset(wake, null, null, -87));
+		}
+
+		public void Tick(Actor self)
+		{
+			if (facing.Facing <= 128)
+			{
+				var left = NormalizeSequence(self, info.LeftSequence);
+				if (DefaultAnimation.CurrentSequence.Name != left)
+					DefaultAnimation.ReplaceAnim(left);
+
+				if (wake.CurrentSequence.Name != info.WakeLeftSequence)
+					wake.ReplaceAnim(info.WakeLeftSequence);
+			}
+			else
+			{
+				var right = NormalizeSequence(self, info.RightSequence);
+				if (DefaultAnimation.CurrentSequence.Name != right)
+					DefaultAnimation.ReplaceAnim(right);
+
+				if (wake.CurrentSequence.Name != info.WakeRightSequence)
+					wake.ReplaceAnim(info.WakeRightSequence);
+			}
+		}
+	}
+}

OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs

@@ -1607,6 +1607,36 @@ internal static void UpgradeActorRules(int engineVersion, ref List<MiniYamlNode>
 					}
 				}
 
+				if (engineVersion < 20150715)
+				{
+					// Replaced RenderGunboat with RenderSprites + WithGunboatBody.
+					if (depth == 0)
+					{
+						var childKeysGunboat = new[] { "Turret", "LeftSequence", "RightSequence", "WakeLeftSequence", "WakeRightSequence" };
+
+						var rgb = node.Value.Nodes.FirstOrDefault(n => n.Key.StartsWith("RenderGunboat"));
+						if (rgb != null)
+						{
+							rgb.Key = "WithGunboatBody";
+
+							var rsNodes = rgb.Value.Nodes.Where(n => !childKeysGunboat.Contains(n.Key)).ToList();
+							if (rsNodes.Any())
+								node.Value.Nodes.Add(new MiniYamlNode("RenderSprites", new MiniYaml("", rsNodes)));
+							else
+								node.Value.Nodes.Add(new MiniYamlNode("RenderSprites", ""));
+
+							node.Value.Nodes.Add(new MiniYamlNode("AutoSelectionSize", ""));
+
+							rgb.Value.Nodes.RemoveAll(n => rsNodes.Contains(n));
+							rgb.Value.Nodes.Add(new MiniYamlNode("Sequence", "left"));
+						}
+
+						var rrgb = node.Value.Nodes.FirstOrDefault(n => n.Key.StartsWith("-RenderGunboat"));
+						if (rrgb != null)
+							rrgb.Key = "-WithGunboatBody";
+					}
+				}
+
 				UpgradeActorRules(engineVersion, ref node.Value.Nodes, node, depth + 1);
 			}
 		}

mods/cnc/rules/ships.yaml

@@ -22,7 +22,9 @@ BOAT:
 		Weapon: BoatMissile
 		LocalOffset: 85,-85,0, 85,85,0
 	AttackTurreted:
-	RenderGunboat:
+	RenderSprites:
+	WithGunboatBody:
+		Sequence: left # Just a work-around to avoid crash
 	Selectable:
 		Bounds: 42,24
 	AutoTarget: