Files
OpenRA/OpenRA.Mods.Cnc/Traits/PaletteEffects/ChronoshiftPostProcessEffect.cs

57 lines
1.6 KiB
C#

#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 OpenRA.Graphics;
using OpenRA.Mods.Common.Traits;
using OpenRA.Traits;
namespace OpenRA.Mods.Cnc.Traits
{
[TraitLocation(SystemActors.World | SystemActors.EditorWorld)]
[Desc("Apply palette full screen rotations during chronoshifts. Add this to the world actor.")]
public class ChronoshiftPostProcessEffectInfo : TraitInfo
{
[Desc("Measured in ticks.")]
public readonly int ChronoEffectLength = 60;
public override object Create(ActorInitializer init) { return new ChronoshiftPostProcessEffect(this); }
}
public class ChronoshiftPostProcessEffect : RenderPostProcessPassBase, ITick
{
readonly ChronoshiftPostProcessEffectInfo info;
int remainingFrames;
public ChronoshiftPostProcessEffect(ChronoshiftPostProcessEffectInfo info)
: base("chronoshift", PostProcessPassType.AfterWorld)
{
this.info = info;
}
public void Enable()
{
remainingFrames = info.ChronoEffectLength;
}
void ITick.Tick(Actor self)
{
if (remainingFrames > 0)
remainingFrames--;
}
protected override bool Enabled => remainingFrames > 0;
protected override void PrepareRender(WorldRenderer wr, IShader shader)
{
shader.SetVec("Blend", (float)remainingFrames / info.ChronoEffectLength);
}
}
}