change voxel image on water terrain type for APC

OpenRA.Mods.TS/OpenRA.Mods.TS.csproj

@@ -64,6 +64,7 @@
     <Compile Include="Traits\Render\WithVoxelTurret.cs" />
     <Compile Include="Traits\Render\WithVoxelWalkerBody.cs" />
     <Compile Include="Traits\Render\WithVoxelUnloadBody.cs" />
+    <Compile Include="Traits\Render\WithVoxelWaterBody.cs" />
     <Compile Include="Traits\World\VoxelNormalsPalette.cs" />
     <Compile Include="Traits\World\ShroudPalette.cs" />
     <Compile Include="UtilityCommands\LegacyTilesetImporter.cs" />

OpenRA.Mods.TS/Traits/Render/WithVoxelWaterBody.cs

@@ -0,0 +1,81 @@
+#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.Collections.Generic;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.TS.Traits
+{
+	public class WithVoxelWaterBodyInfo : ITraitInfo, IQuantizeBodyOrientationInfo, IRenderActorPreviewVoxelsInfo, Requires<RenderVoxelsInfo>
+	{
+		public readonly string WaterSequence = "water";
+		public readonly string LandSequence = "idle";
+
+		public object Create(ActorInitializer init) { return new WithVoxelWaterBody(init.Self, this); }
+
+		public IEnumerable<VoxelAnimation> RenderPreviewVoxels(ActorPreviewInitializer init, RenderVoxelsInfo rv, string image, WRot orientation, int facings, PaletteReference p)
+		{
+			var sequence = LandSequence;
+			if (init.Contains<LocationInit>())
+			{
+				var location = init.Get<LocationInit>().Value(init.World);
+				var onWater = init.World.Map.GetTerrainInfo(location).IsWater;
+				sequence = onWater ? WaterSequence : LandSequence;
+			}
+
+			var body = init.Actor.Traits.Get<BodyOrientationInfo>();
+			var voxel = VoxelProvider.GetVoxel(image, sequence);
+			yield return new VoxelAnimation(voxel, () => WVec.Zero,
+				() => new[] { body.QuantizeOrientation(orientation, facings) },
+				() => false, () => 0);
+		}
+
+		public int QuantizedBodyFacings(ActorInfo ai, SequenceProvider sequenceProvider, string race) { return 0; }
+	}
+
+	public class WithVoxelWaterBody : IAutoSelectionSize
+	{
+		readonly Actor self;
+		readonly int2 size;
+
+		bool OverWater { get { return self.World.Map.GetTerrainInfo(self.Location).IsWater; } }
+
+		public WithVoxelWaterBody(Actor self, WithVoxelWaterBodyInfo info)
+		{
+			this.self = self;
+
+			var body = self.Trait<IBodyOrientation>();
+			var rv = self.Trait<RenderVoxels>();
+
+			var landVoxel = VoxelProvider.GetVoxel(rv.Image, info.LandSequence);
+			rv.Add(new VoxelAnimation(landVoxel, () => WVec.Zero,
+				() => new[] { body.QuantizeOrientation(self, self.Orientation) },
+				() => OverWater,
+				() => 0));
+
+			// Selection size
+			var rvi = self.Info.Traits.Get<RenderVoxelsInfo>();
+			var s = (int)(rvi.Scale * landVoxel.Size.Aggregate(Math.Max));
+			size = new int2(s, s);
+
+			var waterVoxel = VoxelProvider.GetVoxel(rv.Image, info.WaterSequence);
+			rv.Add(new VoxelAnimation(waterVoxel, () => WVec.Zero,
+				() => new[] { body.QuantizeOrientation(self, self.Orientation) },
+				() => !OverWater,
+				() => 0));
+		}
+
+		public int2 SelectionSize(Actor self) { return size; }
+	}
+}