60 lines
1.6 KiB
C#
60 lines
1.6 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2013 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System.IO;
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using OpenRA.FileSystem;
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using OpenRA.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA
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{
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class FogPaletteFromR8Info : ITraitInfo
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{
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[Desc("Internal palette name")]
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public readonly string Name = null;
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[Desc("Filename to load")]
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public readonly string Filename = null;
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[Desc("Palette byte offset")]
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public readonly long Offset = 0;
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public readonly bool AllowModifiers = true;
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public readonly bool InvertColor = false;
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public object Create(ActorInitializer init) { return new FogPaletteFromR8(this); }
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}
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class FogPaletteFromR8 : IPalette
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{
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readonly FogPaletteFromR8Info info;
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public FogPaletteFromR8(FogPaletteFromR8Info info) { this.info = info; }
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public void InitPalette(WorldRenderer wr)
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{
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var colors = new uint[256];
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using (var s = GlobalFileSystem.Open(info.Filename))
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{
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s.Seek(info.Offset, SeekOrigin.Begin);
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for (var i = 0; i < 256; i++)
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{
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var packed = s.ReadUInt16();
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// Fog is rendered with half opacity
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colors[i] = (uint)((255 << 24) | ((packed & 0xF800) << 7) | ((packed & 0x7E0) << 4) | ((packed & 0x1f) << 2));
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if (info.InvertColor)
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colors[i] ^= 0x00FFFFFF;
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}
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}
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wr.AddPalette(info.Name, new Palette(colors), info.AllowModifiers);
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}
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}
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}
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