Fix star port and repair depot lights.

OpenRA.Mods.D2k/PaletteFromScaledPalette.cs

@@ -0,0 +1,72 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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.Drawing;
+using OpenRA.FileSystem;
+using OpenRA.Graphics;
+using OpenRA.Primitives;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.D2k
+{
+	[Desc("Create a palette by applying a scale and offset to the colors in another palette.")]
+	class PaletteFromScaledPaletteInfo : ITraitInfo
+	{
+		[Desc("Internal palette name")]
+		public readonly string Name = null;
+
+		[Desc("The name of the palette to base off.")]
+		public readonly string BasePalette = null;
+
+		[Desc("Allow palette modifiers to change the palette.")]
+		public readonly bool AllowModifiers = true;
+
+		[Desc("Amount to scale the base palette colors by.")]
+		public readonly float Scale = 1.0f;
+
+		[Desc("Amount to offset the base palette colors by.")]
+		public readonly int Offset = 0;
+
+		public object Create(ActorInitializer init) { return new PaletteFromScaledPalette(this); }
+	}
+
+	class PaletteFromScaledPalette : IPalette
+	{
+		readonly PaletteFromScaledPaletteInfo info;
+		public PaletteFromScaledPalette(PaletteFromScaledPaletteInfo info) { this.info = info; }
+
+		public void InitPalette(WorldRenderer wr)
+		{
+			var remap = new ScaledPaletteRemap(info.Scale, info.Offset);
+			wr.AddPalette(info.Name, new Palette(wr.Palette(info.BasePalette).Palette, remap), info.AllowModifiers);
+		}
+	}
+
+	class ScaledPaletteRemap : IPaletteRemap
+	{
+		readonly float scale;
+		readonly int offset;
+
+		public ScaledPaletteRemap(float scale, int offset)
+		{
+			this.scale = scale;
+			this.offset = offset;
+		}
+
+		public Color GetRemappedColor(Color original, int index)
+		{
+			return Color.FromArgb(original.A,
+				(int)Exts.Clamp((int)(scale * original.R + offset), 0, 255),
+				(int)Exts.Clamp((int)(scale * original.G + offset), 0, 255),
+				(int)Exts.Clamp((int)(scale * original.B + offset), 0, 255));
+		}
+	}
+}