93 lines
2.3 KiB
C#
93 lines
2.3 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using Godot;
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using System;
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using System.Threading.Tasks;
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namespace Rokojori
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{
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[Tool]
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[GlobalClass]
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public partial class TextureChannelMixer:Action
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{
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[Export]
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public string inputTexturePath;
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[Export]
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public string outputTexturePath;
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[Export]
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public ImageSaveSettings outputFormat;
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[Export]
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public TextureChannelMixerPreset preset;
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[ExportGroup("Channel Adjustments")]
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[Export]
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public float redMultiply = 1;
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[Export]
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public float redOffset = 0;
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[Export]
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public float greenMultiply = 1;
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[Export]
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public float greenOffset = 0;
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[Export]
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public float blueMultiply = 1;
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[Export]
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public float blueOffset = 0;
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[Export]
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public float alphaMultiply = 1;
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[Export]
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public float alphaOffset = 0;
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protected override void _OnTrigger()
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{
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if ( preset == null ||
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preset.red == null ||
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preset.green == null ||
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preset.blue == null ||
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preset.alpha == null
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)
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{
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this.LogError( "The preset is not correctly setup for each channel. Add a preset and for each channel add a setting" );
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return;
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}
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var texture = ResourceLoader.Load<Texture2D>( inputTexturePath );
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var sourceBuffer = TextureCombinerBuffer.From( texture );
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var outputBuffer = TextureCombinerBuffer.Create( sourceBuffer.width, sourceBuffer.height );
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this.LogInfo( "Processing:", inputTexturePath, ">>", sourceBuffer.numPixels + " pixels" );
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for ( int i = 0; i < sourceBuffer.numPixels; i++ )
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{
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var sourceColor = sourceBuffer.GetIndexed( i );
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var outputColor = new Color(
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preset.red.GetValue( sourceColor ) * redMultiply + redOffset,
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preset.green.GetValue( sourceColor ) * greenMultiply + greenOffset,
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preset.blue.GetValue( sourceColor ) * blueMultiply + blueOffset,
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preset.alpha.GetValue( sourceColor ) * alphaMultiply + redOffset
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);
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outputBuffer.SetIndexed( i, outputColor );
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}
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this.LogInfo( "Saving:", outputTexturePath );
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var it = outputBuffer.CreateImageTexture( preset.alpha.isAssigned, false );
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var image = it.GetImage();
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outputFormat.Save( image, outputTexturePath );
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}
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}
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} |