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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using System;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Refract", "Vector Operators", "Computes a refraction vector" )]
public sealed class RefractOpVec : ParentNode
{
[UnityEngine.SerializeField]
private WirePortDataType m_mainDataType = WirePortDataType.FLOAT;
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
AddInputPort( WirePortDataType.FLOAT4, false , "Incident" );
AddInputPort( WirePortDataType.FLOAT4, false , "Normal" );
AddInputPort( WirePortDataType.FLOAT, false, "Eta" );
AddOutputPort( WirePortDataType.FLOAT4, Constants.EmptyPortValue );
m_textLabelWidth = 67;
m_previewShaderGUID = "5ab44ca484bed8b4884b03b1c00fdc3d";
}
public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
{
base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
UpdateConnection( portId );
}
public override void OnConnectedOutputNodeChanges( int inputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
{
base.OnConnectedOutputNodeChanges( inputPortId, otherNodeId, otherPortId, name, type );
UpdateConnection( inputPortId );
}
public override void OnInputPortDisconnected( int portId )
{
base.OnInputPortDisconnected( portId );
UpdateConnection( portId );
}
void UpdateConnection( int portId )
{
if( portId == 2 )
return;
bool hasConnection = false;
WirePortDataType type1 = WirePortDataType.FLOAT;
if( m_inputPorts[ 0 ].IsConnected )
{
type1 = m_inputPorts[ 0 ].GetOutputConnection( 0 ).DataType;
hasConnection = true;
}
WirePortDataType type2 = WirePortDataType.FLOAT;
if( m_inputPorts[ 1 ].IsConnected )
{
type2 = m_inputPorts[ 1 ].GetOutputConnection( 0 ).DataType;
hasConnection = true;
}
if( hasConnection )
{
m_mainDataType = UIUtils.GetPriority( type1 ) > UIUtils.GetPriority( type2 ) ? type1 : type2;
}
else
{
m_mainDataType = WirePortDataType.FLOAT4;
}
m_inputPorts[ 0 ].ChangeType( m_mainDataType, false );
m_inputPorts[ 1 ].ChangeType( m_mainDataType, false );
m_outputPorts[ 0 ].ChangeType( m_mainDataType, false );
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
{
if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
string incident = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
string normal = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
string interp = m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector );
string result = "refract( " + incident + " , " + normal + " , " + interp + " )";
return CreateOutputLocalVariable( 0, result, ref dataCollector );
}
}
}
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