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61 lines
2.0 KiB
61 lines
2.0 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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using UnityEditor;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "Layered Blend", "Miscellaneous", "Mix all channels through interpolation factors", null, KeyCode.None, true )]
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public sealed class LayeredBlendNode : 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_inputPorts[ 1 ].Name = "Layer Base";
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AddInputPort( WirePortDataType.FLOAT, false, string.Empty );
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for ( int i = 2; i < m_inputPorts.Count; i++ )
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{
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m_inputPorts[ i ].Name = AmountsStr[ i - 2 ];
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}
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m_inputData = new string[ 6 ];
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m_minimumSize = 2;
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UpdateConnection( 0 );
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m_previewShaderGUID = "48faca2f6506fc44c97adb1e2b79c37d";
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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 = "layeredBlendVar" + 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 == 1 )
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{
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result = m_inputData[ 0 ];
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}
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else if ( m_activeCount == 2 )
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{
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result += "lerp( " + m_inputData[ 1 ] + "," + m_inputData[ 2 ] + " , " + localVarName + " )";
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}
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else
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{
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result = m_inputData[ 1 ];
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for ( int i = 1; i < m_activeCount; i++ )
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{
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result = "lerp( " + result + " , " + m_inputData[ i + 1 ] + " , " + localVarName + Constants.VectorSuffixes[ i - 1 ] + " )";
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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, "layeredBlend" + 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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