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