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Add PaletteFromR8 for loading embedded palettes.

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The frames that define a custom palette are:
Frame range ->  offset (mem offset)
         38 ->   12007 (22063136)
        178 ->  159947 (21859680)
3494 - 3501 -> 2437846 (23366680)
3502 - 3509 -> 2443858 (23422744)
3510 - 3511 -> 2459105 (23363608)
3621 - 3625 -> 2572352 (23550488)
3739 - 3742 -> 2676956 (23534796)
This commit is contained in:
Paul Chote
2013-10-26 17:47:14 +13:00
parent 3fe3b4d088
commit ff21ec1605
2 changed files with 54 additions and 0 deletions
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1
OpenRA.Mods.D2k/OpenRA.Mods.D2k.csproj
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@@ -79,6 +79,7 @@
<Compile Include="Widgets\Logic\D2kInstallFromCDLogic.cs" />
<Compile Include="BuildingCaptureNotification.cs" />
<Compile Include="Render\WithCrumbleOverlay.cs" />
<Compile Include="PaletteFromR8.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<PropertyGroup>

53
OpenRA.Mods.D2k/PaletteFromR8.cs Normal file
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@@ -0,0 +1,53 @@
#region Copyright & License Information
/*
* Copyright 2007-2012 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.IO;
using OpenRA.FileFormats;
using OpenRA.Traits;
using OpenRA.Graphics;
namespace OpenRA.Mods.RA
{
class PaletteFromR8Info : ITraitInfo
{
[Desc("Internal palette name")]
public readonly string Name = null;
[Desc("Filename to load")]
public readonly string Filename = null;
[Desc("Palette byte offset")]
public readonly long Offset = 0;
public readonly bool AllowModifiers = true;
public object Create(ActorInitializer init) { return new PaletteFromR8(this); }
}
class PaletteFromR8 : IPalette
{
readonly PaletteFromR8Info info;
public PaletteFromR8(PaletteFromR8Info info) { this.info = info; }
public void InitPalette(WorldRenderer wr)
{
var colors = new uint[256];
using (var s = FileSystem.Open(info.Filename))
{
s.Seek(info.Offset, SeekOrigin.Begin);
for (var i = 0; i < 256; i++)
{
var packed = s.ReadUInt16();
colors[i] = (uint)((255 << 24) | ((packed & 0xF800) << 8) | ((packed & 0x7E0) << 5) | ((packed & 0x1f) << 3));
}
}
wr.AddPalette(info.Name, new Palette(colors), info.AllowModifiers);
}
}
}