33 lines
1.1 KiB
C#
33 lines
1.1 KiB
C#
// Amplify Shader Editor - Visual Shader Editing Tool
|
|
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
|
|
|
|
using System;
|
|
|
|
namespace AmplifyShaderEditor
|
|
{
|
|
[Serializable]
|
|
[NodeAttributes( "Luminance", "Image Effects", "Calculates Luminance value from input")]
|
|
public sealed class LuminanceNode : ParentNode
|
|
{
|
|
protected override void CommonInit( int uniqueId )
|
|
{
|
|
base.CommonInit( uniqueId );
|
|
AddInputPort( WirePortDataType.FLOAT3, false, "RGB" );
|
|
AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
|
|
m_previewShaderGUID = "81e1d8ffeec8a4b4cabb1094bc981048";
|
|
}
|
|
|
|
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
|
|
{
|
|
if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
|
|
return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
|
|
|
|
string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
|
|
string grayscale = "Luminance(" + value + ")";
|
|
|
|
RegisterLocalVariable( 0, grayscale, ref dataCollector, "luminance" + OutputId );
|
|
return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
|
|
}
|
|
}
|
|
}
|