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- // Amplify Shader Editor - Visual Shader Editing Tool
- // Copyright (c) Amplify Creations, Lda <info@amplify.pt>
-
- using System;
- using UnityEngine;
-
- namespace AmplifyShaderEditor
- {
- [Serializable]
- [NodeAttributes( "Power", "Math Operators", "Base to the Exp-th power of scalars and vectors", null, KeyCode.E )]
- public sealed class PowerNode : ParentNode
- {
- protected override void CommonInit( int uniqueId )
- {
- base.CommonInit( uniqueId );
- AddInputPort( WirePortDataType.FLOAT, false, "Base" );
- AddInputPort( WirePortDataType.FLOAT, false, "Exp" );
- m_inputPorts[ 1 ].FloatInternalData = 1;
- AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
- m_useInternalPortData = true;
- m_textLabelWidth = 50;
- m_previewShaderGUID = "758cc2f8b537b4e4b93d9833075d138c";
- }
-
- public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
- {
- base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
- UpdateConnections( portId );
- }
-
- public override void OnConnectedOutputNodeChanges( int inputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
- {
- base.OnConnectedOutputNodeChanges( inputPortId, otherNodeId, otherPortId, name, type );
- UpdateConnections( inputPortId );
- }
-
- void UpdateConnections( int inputPort )
- {
- m_inputPorts[ inputPort ].MatchPortToConnection();
- if ( inputPort == 0 )
- {
- m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, 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 x = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
- string y = m_inputPorts[ 1 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
- string result = "pow( " + x + " , " + y + " )";
- return CreateOutputLocalVariable( 0, result, ref dataCollector );
- }
- }
- }
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