56 lines
951 B
C#
56 lines
951 B
C#
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using Godot;
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using System.Reflection;
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using System.Collections.Generic;
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namespace Rokojori
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{
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public enum AlphaFadeMode
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{
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___,
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Alpha,
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NoiseDitherDiscard
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}
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public static class AlphaFade
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{
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public static List<ShaderCode> Includes( string variableName, AlphaFadeMode mode )
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{
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if ( AlphaFadeMode.NoiseDitherDiscard != mode )
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{
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return null;
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}
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return ShaderGenerationModule.IncludeNoiseLibrary();
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}
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public static string Fragment( string variableName, AlphaFadeMode mode )
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{
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if ( AlphaFadeMode.Alpha == mode )
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{
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return " ALPHA *= " + variableName + ";\n";
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}
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if ( AlphaFadeMode.NoiseDitherDiscard == mode )
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{
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var code =
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$@"
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if ( ditherDiscard( {variableName}, FRAGCOORD ) )
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{{
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discard;
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}}
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";
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return code.Indent( " ");
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}
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return null;
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}
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}
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}
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