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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using UnityEngine;
using System;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Summed Blend", "Miscellaneous", "Mix all channels through weighted sum", null, KeyCode.None, true )]
public sealed class SummedBlendNode : WeightedAvgNode
{
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
m_inputData = new string[ 6 ];
m_previewShaderGUID = "eda18b96e13f78b49bbdaa4da3fead19";
}
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 );
GetInputData( ref dataCollector, ignoreLocalvar );
string result = string.Empty;
string localVarName = "weightedBlendVar" + OutputId;
dataCollector.AddLocalVariable( UniqueId, CurrentPrecisionType, m_inputPorts[ 0 ].DataType, localVarName, m_inputData[ 0 ] );
if ( m_activeCount == 0 )
{
result = m_inputData[ 0 ];
}
else if ( m_activeCount == 1 )
{
result += localVarName + "*" + m_inputData[ 1 ];
}
else
{
for ( int i = 0; i < m_activeCount; i++ )
{
result += localVarName + Constants.VectorSuffixes[ i ] + "*" + m_inputData[ i + 1 ];
if ( i != ( m_activeCount - 1 ) )
{
result += " + ";
}
}
}
result = UIUtils.AddBrackets( result );
RegisterLocalVariable( 0, result, ref dataCollector, "weightedBlend" + OutputId );
return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
}
}
}
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