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/Palettes/ColorPickerPalette.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.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Primitives;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[TraitLocation(SystemActors.World | SystemActors.EditorWorld)]
+	[Desc("Create a color picker palette from another palette.")]
+	sealed class ColorPickerPaletteInfo : TraitInfo
+	{
+		[PaletteDefinition]
+		[FieldLoader.Require]
+		[Desc("Internal palette name.")]
+		public readonly string Name = null;
+
+		[PaletteReference]
+		[FieldLoader.Require]
+		[Desc("The name of the palette to base off.")]
+		public readonly string BasePalette = null;
+
+		[Desc("Remap these indices to player colors.")]
+		public readonly ImmutableArray<int> RemapIndex = [];
+
+		[Desc("Allow palette modifiers to change the palette.")]
+		public readonly bool AllowModifiers = true;
+
+		public override object Create(ActorInitializer init) { return new ColorPickerPalette(this); }
+	}
+
+	sealed class ColorPickerPalette : ILoadsPalettes, IProvidesAssetBrowserColorPickerPalettes, ITickRender
+	{
+		readonly ColorPickerPaletteInfo info;
+		Color color;
+		Color preferredColor;
+
+		public ColorPickerPalette(ColorPickerPaletteInfo info)
+		{
+			this.info = info;
+
+			// All users need to use the same TraitInfo instance, chosen as the default mod rules
+			var colorManager = Game.ModData.DefaultRules.Actors[SystemActors.World].TraitInfo<IColorPickerManagerInfo>();
+			colorManager.OnColorPickerColorUpdate += c => preferredColor = c;
+			preferredColor = Game.Settings.Player.Color;
+		}
+
+		void ILoadsPalettes.LoadPalettes(WorldRenderer wr)
+		{
+			color = preferredColor;
+			var remap = new PlayerColorRemap(info.RemapIndex.Length == 0 ? Enumerable.Range(0, 256).ToImmutableArray() : info.RemapIndex, color);
+			wr.AddPalette(info.Name, new ImmutablePalette(wr.Palette(info.BasePalette).Palette, remap), info.AllowModifiers);
+		}
+
+		IEnumerable<string> IProvidesAssetBrowserColorPickerPalettes.ColorPickerPaletteNames { get { yield return info.Name; } }
+
+		void ITickRender.TickRender(WorldRenderer wr, Actor self)
+		{
+			if (color == preferredColor)
+				return;
+
+			color = preferredColor;
+			var remap = new PlayerColorRemap(info.RemapIndex.Length == 0 ? Enumerable.Range(0, 256).ToImmutableArray() : info.RemapIndex, color);
+			wr.ReplacePalette(info.Name, new ImmutablePalette(wr.Palette(info.BasePalette).Palette, remap));
+		}
+	}
+}