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92 lines
3.0 KiB
92 lines
3.0 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 System;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "Refract", "Vector Operators", "Computes a refraction vector" )]
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public sealed class RefractOpVec : ParentNode
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{
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[UnityEngine.SerializeField]
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private WirePortDataType m_mainDataType = WirePortDataType.FLOAT;
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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.FLOAT4, false , "Incident" );
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AddInputPort( WirePortDataType.FLOAT4, false , "Normal" );
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AddInputPort( WirePortDataType.FLOAT, false, "Eta" );
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AddOutputPort( WirePortDataType.FLOAT4, Constants.EmptyPortValue );
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m_textLabelWidth = 67;
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m_previewShaderGUID = "5ab44ca484bed8b4884b03b1c00fdc3d";
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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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UpdateConnection( portId );
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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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base.OnConnectedOutputNodeChanges( inputPortId, otherNodeId, otherPortId, name, type );
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UpdateConnection( inputPortId );
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}
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public override void OnInputPortDisconnected( int portId )
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{
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base.OnInputPortDisconnected( portId );
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UpdateConnection( portId );
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}
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void UpdateConnection( int portId )
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{
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if( portId == 2 )
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return;
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bool hasConnection = false;
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WirePortDataType type1 = WirePortDataType.FLOAT;
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if( m_inputPorts[ 0 ].IsConnected )
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{
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type1 = m_inputPorts[ 0 ].GetOutputConnection( 0 ).DataType;
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hasConnection = true;
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}
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WirePortDataType type2 = WirePortDataType.FLOAT;
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if( m_inputPorts[ 1 ].IsConnected )
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{
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type2 = m_inputPorts[ 1 ].GetOutputConnection( 0 ).DataType;
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hasConnection = true;
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}
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if( hasConnection )
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{
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m_mainDataType = UIUtils.GetPriority( type1 ) > UIUtils.GetPriority( type2 ) ? type1 : type2;
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}
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else
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{
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m_mainDataType = WirePortDataType.FLOAT4;
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}
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m_inputPorts[ 0 ].ChangeType( m_mainDataType, false );
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m_inputPorts[ 1 ].ChangeType( m_mainDataType, false );
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m_outputPorts[ 0 ].ChangeType( m_mainDataType, false );
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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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string incident = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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string normal = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
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string interp = m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector );
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string result = "refract( " + incident + " , " + normal + " , " + interp + " )";
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return CreateOutputLocalVariable( 0, result, ref dataCollector );
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}
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}
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}
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