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263 lines
7.5 KiB
263 lines
7.5 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 System;
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using UnityEngine;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "Break To Components", "Vector Operators", "Breaks the input data into its individual components", null, KeyCode.B )]
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public sealed class BreakToComponentsNode : ParentNode
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{
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private WirePortDataType m_currentType = WirePortDataType.FLOAT;
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private readonly string[] ColorPortNames = { "R", "G", "B", "A" };
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private readonly string[] VectorPortNames = { "X", "Y", "Z", "W" };
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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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AddInputPort( WirePortDataType.FLOAT, false, Constants.EmptyPortValue );
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for( int i = 0; i < 16; i++ )
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{
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AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
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m_outputPorts[ i ].IndexPreviewOffset = 1;
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if( i != 0 )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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m_previewShaderGUID = "5f58f74a202ba804daddec838b75207d";
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}
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public override void RenderNodePreview()
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{
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if( !m_initialized )
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return;
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SetPreviewInputs();
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int count = m_outputPorts.Count;
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for( int i = 0; i < count; i++ )
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{
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RenderTexture temp = RenderTexture.active;
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RenderTexture.active = m_outputPorts[ i ].OutputPreviewTexture;
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Graphics.Blit( null, m_outputPorts[ i ].OutputPreviewTexture, PreviewMaterial, Mathf.Min( i, 3 ) );
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RenderTexture.active = temp;
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}
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}
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public override RenderTexture PreviewTexture
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{
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get
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{
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return m_inputPorts[ 0 ].InputPreviewTexture;
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}
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}
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void UpdateOutputs( WirePortDataType newType )
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{
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//this only happens when on initial load
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if( newType == WirePortDataType.OBJECT )
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return;
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m_currentType = newType;
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switch( newType )
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{
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case WirePortDataType.OBJECT:
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{
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m_outputPorts[ 0 ].ChangeProperties( Constants.EmptyPortValue, WirePortDataType.OBJECT, false );
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m_outputPorts[ 0 ].Visible = true;
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for( int i = 1; i < m_outputPorts.Count; i++ )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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break;
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case WirePortDataType.FLOAT:
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{
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m_outputPorts[ 0 ].ChangeProperties( Constants.EmptyPortValue, WirePortDataType.FLOAT, false );
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m_outputPorts[ 0 ].Visible = true;
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for( int i = 1; i < m_outputPorts.Count; i++ )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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break;
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case WirePortDataType.FLOAT2:
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{
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for( int i = 0; i < 2; i++ )
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{
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m_outputPorts[ i ].ChangeProperties( VectorPortNames[ i ], WirePortDataType.FLOAT, false );
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m_outputPorts[ i ].Visible = true;
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}
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for( int i = 2; i < m_outputPorts.Count; i++ )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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break;
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case WirePortDataType.FLOAT3:
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{
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for( int i = 0; i < 3; i++ )
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{
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m_outputPorts[ i ].ChangeProperties( VectorPortNames[ i ], WirePortDataType.FLOAT, false );
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m_outputPorts[ i ].Visible = true;
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}
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for( int i = 3; i < m_outputPorts.Count; i++ )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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break;
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case WirePortDataType.FLOAT4:
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{
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for( int i = 0; i < 4; i++ )
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{
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m_outputPorts[ i ].ChangeProperties( VectorPortNames[ i ], WirePortDataType.FLOAT, false );
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m_outputPorts[ i ].Visible = true;
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}
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for( int i = 4; i < m_outputPorts.Count; i++ )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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break;
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case WirePortDataType.FLOAT3x3:
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{
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for( int i = 0; i < 9; i++ )
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{
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m_outputPorts[ i ].ChangeProperties( "[" + (int)( i / 3 ) + "][" + i % 3 + "]", WirePortDataType.FLOAT, false );
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m_outputPorts[ i ].Visible = true;
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}
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for( int i = 9; i < m_outputPorts.Count; i++ )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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break;
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case WirePortDataType.FLOAT4x4:
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{
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for( int i = 0; i < 16; i++ )
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{
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m_outputPorts[ i ].ChangeProperties( "[" + (int)( i / 4 ) + "][" + i % 4 + "]", WirePortDataType.FLOAT, false );
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m_outputPorts[ i ].Visible = true;
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}
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}
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break;
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case WirePortDataType.COLOR:
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{
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for( int i = 0; i < 4; i++ )
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{
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m_outputPorts[ i ].ChangeProperties( ColorPortNames[ i ], WirePortDataType.FLOAT, false );
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m_outputPorts[ i ].Visible = true;
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}
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for( int i = 4; i < m_outputPorts.Count; i++ )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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break;
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case WirePortDataType.INT:
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{
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m_outputPorts[ 0 ].Visible = true;
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m_outputPorts[ 0 ].ChangeProperties( Constants.EmptyPortValue, WirePortDataType.INT, false );
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for( int i = 1; i < m_outputPorts.Count; i++ )
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{
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m_outputPorts[ i ].Visible = false;
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}
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}
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break;
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}
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m_sizeIsDirty = true;
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}
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public override void OnConnectedOutputNodeChanges( int outputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
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{
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base.OnConnectedOutputNodeChanges( outputPortId, otherNodeId, otherPortId, name, type );
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m_inputPorts[ 0 ].MatchPortToConnection();
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UpdateOutputs( m_inputPorts[ 0 ].DataType );
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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[ 0 ].MatchPortToConnection();
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UpdateOutputs( m_inputPorts[ 0 ].DataType );
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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_currentType );
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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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UpdateOutputs( (WirePortDataType)Enum.Parse( typeof( WirePortDataType ), GetCurrentParam( ref nodeParams ) ) );
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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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{
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return ReturnByType( m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ), outputId );
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}
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string value = string.Empty;
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value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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int channelsUsed = 0;
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for( int i = 0; i < m_outputPorts.Count; i++ )
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{
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if( m_outputPorts[ i ].IsConnected )
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channelsUsed++;
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}
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string varName = "break" + OutputId;
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if( channelsUsed > 1 )
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{
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//RegisterLocalVariable( 0, value, ref dataCollector, varName );
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dataCollector.AddLocalVariable( UniqueId, CurrentPrecisionType, m_inputPorts[ 0 ].DataType, varName, value );
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m_outputPorts[ 0 ].SetLocalValue( varName, dataCollector.PortCategory );
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value = varName;
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}
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return ReturnByType( value, outputId );
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}
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private string ReturnByType( string value, int outputId )
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{
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switch( m_inputPorts[ 0 ].DataType )
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{
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case WirePortDataType.OBJECT:
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case WirePortDataType.FLOAT:
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case WirePortDataType.INT:
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{
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return value;
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}
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case WirePortDataType.FLOAT2:
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case WirePortDataType.FLOAT3:
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case WirePortDataType.FLOAT4:
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{
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return GetOutputVectorItem( 0, outputId + 1, value );
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}
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case WirePortDataType.COLOR:
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{
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return GetOutputColorItem( 0, outputId + 1, value );
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}
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case WirePortDataType.FLOAT3x3:
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{
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return value + "[ " + ( (int)( outputId / 3 ) ) + " ][ " + ( outputId % 3 ) + " ]";
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}
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case WirePortDataType.FLOAT4x4:
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{
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return value + "[ " + ( (int)( outputId / 4 ) ) + " ][ " + ( outputId % 4 ) + " ]";
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}
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}
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return value;
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}
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}
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}
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