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103 lines
3.7 KiB
103 lines
3.7 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 System;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "Clamp", "Math Operators", "Value clamped to the range [min,max]" )]
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public sealed class ClampOpNode : ParentNode
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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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AddInputPort( WirePortDataType.FLOAT, false, Constants.EmptyPortValue );
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AddInputPort( WirePortDataType.FLOAT, false, "Min" );
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AddInputPort( WirePortDataType.FLOAT, false, "Max" );
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m_inputPorts[ m_inputPorts.Count - 1 ].FloatInternalData = 1;
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AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
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m_useInternalPortData = true;
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m_textLabelWidth = 55;
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m_previewShaderGUID = "ab6163c4b10bfc84da8e3c486520490a";
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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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if ( portId == 0 )
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{
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m_inputPorts[ 0 ].MatchPortToConnection();
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m_inputPorts[ 1 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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m_inputPorts[ 2 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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}
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//else
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//{
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// _inputPorts[ portId ].MatchPortToConnection();
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//}
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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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if ( outputPortId == 0 )
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{
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m_inputPorts[ 0 ].MatchPortToConnection();
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m_inputPorts[ 1 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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m_inputPorts[ 2 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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}
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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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WirePortDataType valueType = m_inputPorts[ 0 ].ConnectionType();
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WirePortDataType minType = m_inputPorts[ 1 ].ConnectionType();
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WirePortDataType maxType = m_inputPorts[ 2 ].ConnectionType();
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string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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string min = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
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if ( minType != valueType )
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{
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min = UIUtils.CastPortType( ref dataCollector, m_currentPrecisionType, new NodeCastInfo( UniqueId, outputId ), null, m_inputPorts[ 1 ].DataType, m_inputPorts[ 0 ].DataType, min );
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}
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string max = m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector );
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if ( maxType != valueType )
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{
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max = UIUtils.CastPortType( ref dataCollector, m_currentPrecisionType, new NodeCastInfo( UniqueId, outputId ), null, m_inputPorts[ 2 ].DataType, m_inputPorts[ 0 ].DataType, max );
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}
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string result = string.Empty;
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switch ( valueType )
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{
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case WirePortDataType.FLOAT:
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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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case WirePortDataType.INT:
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case WirePortDataType.COLOR:
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case WirePortDataType.OBJECT:
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{
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result = "clamp( " + value + " , " + min + " , " + max + " )";
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}
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break;
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case WirePortDataType.FLOAT3x3:
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case WirePortDataType.FLOAT4x4:
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{
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return UIUtils.InvalidParameter( this );
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}
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}
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RegisterLocalVariable( 0, result, ref dataCollector, "clampResult" + 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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