Files
OpenRA/OpenRA.Mods.Cnc/Traits/PaletteEffects/ChronoshiftPaletteEffect.cs
2017-02-12 01:33:22 +01:00

68 lines
1.7 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2017 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, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System.Drawing;
using OpenRA.Graphics;
using OpenRA.Traits;
namespace OpenRA.Mods.Cnc.Traits
{
[Desc("Apply palette full screen rotations during chronoshifts. Add this to the world actor.")]
public class ChronoshiftPaletteEffectInfo : ITraitInfo
{
[Desc("Measured in ticks.")]
public readonly int ChronoEffectLength = 60;
public object Create(ActorInitializer init) { return new ChronoshiftPaletteEffect(this); }
}
public class ChronoshiftPaletteEffect : IPaletteModifier, ITick
{
readonly ChronoshiftPaletteEffectInfo info;
int remainingFrames;
public ChronoshiftPaletteEffect(ChronoshiftPaletteEffectInfo info)
{
this.info = info;
}
public void Enable()
{
remainingFrames = info.ChronoEffectLength;
}
public void Tick(Actor self)
{
if (remainingFrames > 0)
remainingFrames--;
}
public void AdjustPalette(IReadOnlyDictionary<string, MutablePalette> palettes)
{
if (remainingFrames == 0)
return;
var frac = (float)remainingFrames / info.ChronoEffectLength;
foreach (var pal in palettes)
{
for (var x = 0; x < Palette.Size; x++)
{
var orig = pal.Value.GetColor(x);
var lum = (int)(255 * orig.GetBrightness());
var desat = Color.FromArgb(orig.A, lum, lum, lum);
pal.Value.SetColor(x, Exts.ColorLerp(frac, orig, desat));
}
}
}
}
}