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229 lines
6.7 KiB
229 lines
6.7 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 UnityEditor;
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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( "Debug Switch", "Logical Operators", "Hard Switch between any of its input ports" )]
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public class SwitchNode : ParentNode
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{
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private const string Info = "This is a Debug node which only generates the source for the selected port. This means that no properties are generated for other ports and information might be lost.";
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private const string InputPortName = "In ";
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private const string CurrSelectedStr = "Current";
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private const string MaxAmountStr = "Max Amount";
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private const int MaxAllowedAmount = 8;
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[SerializeField]
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private string[] m_availableInputsLabels = { "In 0", "In 1" };
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[SerializeField]
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private int[] m_availableInputsValues = { 0, 1 };
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[SerializeField]
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private int m_currentSelectedInput = 0;
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[SerializeField]
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private int m_maxAmountInputs = 2;
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private int m_cachedPropertyId = -1;
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private GUIContent m_popContent;
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private Rect m_varRect;
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private Rect m_imgRect;
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private bool m_editing;
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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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for( int i = 0; i < MaxAllowedAmount; i++ )
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{
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AddInputPort( WirePortDataType.FLOAT, false, InputPortName + i );
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m_inputPorts[ i ].Visible = ( i < 2 );
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}
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AddOutputPort( WirePortDataType.FLOAT, " " );
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m_popContent = new GUIContent();
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m_popContent.image = UIUtils.PopupIcon;
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m_insideSize.Set( 50, 25 );
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m_textLabelWidth = 100;
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m_autoWrapProperties = false;
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m_previewShaderGUID = "a58e46feaa5e3d14383bfeac24d008bc";
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}
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public override void SetPreviewInputs()
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{
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base.SetPreviewInputs();
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if( m_cachedPropertyId == -1 )
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m_cachedPropertyId = Shader.PropertyToID( "_Current" );
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PreviewMaterial.SetInt( m_cachedPropertyId, m_currentSelectedInput );
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}
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public override void OnConnectedOutputNodeChanges( int inputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
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{
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m_inputPorts[ inputPortId ].MatchPortToConnection();
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if( inputPortId == m_currentSelectedInput )
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m_outputPorts[ 0 ].ChangeType( m_inputPorts[ inputPortId ].DataType, false );
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}
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public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
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{
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base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
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m_inputPorts[ portId ].MatchPortToConnection();
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if( portId == m_currentSelectedInput )
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m_outputPorts[ 0 ].ChangeType( m_inputPorts[ portId ].DataType, false );
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}
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public void UpdateLabels()
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{
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m_availableInputsLabels = new string[ m_maxAmountInputs ];
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m_availableInputsValues = new int[ m_maxAmountInputs ];
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for( int i = 0; i < m_maxAmountInputs; i++ )
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{
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m_availableInputsLabels[ i ] = InputPortName + i;
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m_availableInputsValues[ i ] = i;
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}
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}
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//void UpdateOutput()
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//{
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// m_outputPorts[ 0 ].ChangeProperties( m_inputPorts[ m_currentSelectedInput ].Name, m_inputPorts[ m_currentSelectedInput ].DataType, false );
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// m_sizeIsDirty = true;
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//}
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public override void OnNodeLayout( DrawInfo drawInfo )
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{
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base.OnNodeLayout( drawInfo );
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m_varRect = m_remainingBox;
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m_varRect.width = 50 * drawInfo.InvertedZoom;
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m_varRect.height = 16 * drawInfo.InvertedZoom;
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m_varRect.x = m_remainingBox.xMax - m_varRect.width;
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//m_varRect.x += m_remainingBox.width * 0.5f - m_varRect.width * 0.5f;
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m_varRect.y += 1 * drawInfo.InvertedZoom;
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m_imgRect = m_varRect;
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m_imgRect.x = m_varRect.xMax - 16 * drawInfo.InvertedZoom;
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m_imgRect.width = 16 * drawInfo.InvertedZoom;
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m_imgRect.height = m_imgRect.width;
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}
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public override void DrawGUIControls( DrawInfo drawInfo )
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{
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base.DrawGUIControls( drawInfo );
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if( drawInfo.CurrentEventType != EventType.MouseDown )
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return;
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if( m_varRect.Contains( drawInfo.MousePosition ) )
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{
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m_editing = true;
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}
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else if( m_editing )
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{
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m_editing = false;
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}
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}
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public override void Draw( DrawInfo drawInfo )
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{
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base.Draw( drawInfo );
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if( m_editing )
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{
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EditorGUI.BeginChangeCheck();
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m_currentSelectedInput = EditorGUIIntPopup( m_varRect, m_currentSelectedInput, m_availableInputsLabels, m_availableInputsValues, UIUtils.GraphDropDown );
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if( EditorGUI.EndChangeCheck() )
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{
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m_editing = false;
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}
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}
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}
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public override void OnNodeRepaint( DrawInfo drawInfo )
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{
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base.OnNodeRepaint( drawInfo );
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if( !m_isVisible )
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return;
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if( !m_editing && ContainerGraph.LodLevel <= ParentGraph.NodeLOD.LOD4 )
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{
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GUI.Label( m_varRect, m_availableInputsLabels[ m_currentSelectedInput ], UIUtils.GraphDropDown );
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GUI.Label( m_imgRect, m_popContent, UIUtils.GraphButtonIcon );
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}
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}
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public override void DrawProperties()
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{
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base.DrawProperties();
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NodeUtils.DrawPropertyGroup( ref m_propertiesFoldout, Constants.ParameterLabelStr, DrawDebugOptions );
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EditorGUILayout.HelpBox( Info, MessageType.Warning );
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}
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void DrawDebugOptions()
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{
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EditorGUI.BeginChangeCheck();
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m_maxAmountInputs = EditorGUILayoutIntSlider( MaxAmountStr, m_maxAmountInputs, 2, MaxAllowedAmount );
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if( EditorGUI.EndChangeCheck() )
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{
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for( int i = 0; i < MaxAllowedAmount; i++ )
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{
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m_inputPorts[ i ].Visible = ( i < m_maxAmountInputs );
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}
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if( m_currentSelectedInput >= m_maxAmountInputs )
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{
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m_currentSelectedInput = m_maxAmountInputs - 1;
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}
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UpdateLabels();
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m_sizeIsDirty = true;
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}
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m_currentSelectedInput = EditorGUILayoutIntPopup( CurrSelectedStr, m_currentSelectedInput, m_availableInputsLabels, m_availableInputsValues );
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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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return m_inputPorts[ m_currentSelectedInput ].GeneratePortInstructions( ref dataCollector );
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}
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public override void ReadFromString( ref string[] nodeParams )
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{
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base.ReadFromString( ref nodeParams );
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m_currentSelectedInput = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
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m_maxAmountInputs = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
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for( int i = 0; i < MaxAllowedAmount; i++ )
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{
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m_inputPorts[ i ].Visible = ( i < m_maxAmountInputs );
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}
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if( m_currentSelectedInput >= m_maxAmountInputs )
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{
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m_currentSelectedInput = m_maxAmountInputs - 1;
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}
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UpdateLabels();
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m_sizeIsDirty = true;
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}
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public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
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{
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base.WriteToString( ref nodeInfo, ref connectionsInfo );
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IOUtils.AddFieldValueToString( ref nodeInfo, m_currentSelectedInput );
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IOUtils.AddFieldValueToString( ref nodeInfo, m_maxAmountInputs );
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}
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}
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}
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