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/Render/WithCargoPipsDecoration.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.Collections.Frozen;
+using System.Collections.Generic;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits.Render
+{
+	public class WithCargoPipsDecorationInfo : WithDecorationBaseInfo, Requires<CargoInfo>
+	{
+		[Desc("Number of pips to display. Defaults to Cargo.MaxWeight.")]
+		public readonly int PipCount = -1;
+
+		[Desc("If non-zero, override the spacing between adjacent pips.")]
+		public readonly int2 PipStride = int2.Zero;
+
+		[Desc("Image that defines the pip sequences.")]
+		public readonly string Image = "pips";
+
+		[SequenceReference(nameof(Image))]
+		[Desc("Sequence used for empty pips.")]
+		public readonly string EmptySequence = "pip-empty";
+
+		[SequenceReference(nameof(Image))]
+		[Desc("Sequence used for full pips that aren't defined in CustomPipSequences.")]
+		public readonly string FullSequence = "pip-green";
+
+		[SequenceReference(nameof(Image), dictionaryReference: LintDictionaryReference.Values)]
+		[Desc("Pip sequence to use for specific passenger actors.")]
+		public readonly FrozenDictionary<string, string> CustomPipSequences = FrozenDictionary<string, string>.Empty;
+
+		[PaletteReference]
+		public readonly string Palette = "chrome";
+
+		public override object Create(ActorInitializer init) { return new WithCargoPipsDecoration(init.Self, this); }
+	}
+
+	public class WithCargoPipsDecoration : WithDecorationBase<WithCargoPipsDecorationInfo>
+	{
+		readonly Cargo cargo;
+		readonly Animation pips;
+		readonly int pipCount;
+
+		public WithCargoPipsDecoration(Actor self, WithCargoPipsDecorationInfo info)
+			: base(self, info)
+		{
+			cargo = self.Trait<Cargo>();
+			pipCount = info.PipCount > 0 ? info.PipCount : cargo.Info.MaxWeight;
+			pips = new Animation(self.World, info.Image);
+		}
+
+		string GetPipSequence(int i)
+		{
+			var n = i * cargo.Info.MaxWeight / pipCount;
+
+			foreach (var c in cargo.Passengers)
+			{
+				var pi = c.Info.TraitInfo<PassengerInfo>();
+				if (n < pi.Weight)
+				{
+					if (pi.CustomPipType != null && Info.CustomPipSequences.TryGetValue(pi.CustomPipType, out var sequence))
+						return sequence;
+
+					return Info.FullSequence;
+				}
+
+				n -= pi.Weight;
+			}
+
+			return Info.EmptySequence;
+		}
+
+		protected override IEnumerable<IRenderable> RenderDecoration(Actor self, WorldRenderer wr, int2 screenPos)
+		{
+			pips.PlayRepeating(Info.EmptySequence);
+
+			var palette = wr.Palette(Info.Palette);
+			var pipSize = pips.Image.Size.XY.ToInt2();
+			var pipStride = Info.PipStride != int2.Zero ? Info.PipStride : new int2(pipSize.X, 0);
+
+			screenPos -= pipSize / 2;
+			for (var i = 0; i < pipCount; i++)
+			{
+				pips.PlayRepeating(GetPipSequence(i));
+				yield return new UISpriteRenderable(pips.Image, self.CenterPosition, screenPos, 0, palette);
+
+				screenPos += pipStride;
+			}
+		}
+	}
+}