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46 lines
1.8 KiB
46 lines
1.8 KiB
using System;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "Negate", "Math Operators", "Negate or invert an input value" )]
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public sealed class NegateNode : 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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AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
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m_useInternalPortData = true;
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m_previewShaderGUID = "b035bc40da1ac7c4eafad4116382ec79";
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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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m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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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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m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, 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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string result = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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if ( result.StartsWith( "-" ) )
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{
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return result.Remove( 0, 1 );
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}
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else
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{
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return "-" + result;
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}
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}
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}
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}
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