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133 lines
4.8 KiB
133 lines
4.8 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 UnityEngine;
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using UnityEditor;
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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( "Keyword Switch", "Logical Operators", "Attributes a value according to the existance of a selected keyword", Deprecated = true, DeprecatedAlternativeType = typeof(StaticSwitch), DeprecatedAlternative = "Static Switch" )]
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public sealed class KeywordSwitchNode : ParentNode
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{
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private const string KeywordStr = "Keyword";
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private const string CustomStr = "Custom";
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[SerializeField]
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private string m_currentKeyword = string.Empty;
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[SerializeField]
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private int m_currentKeywordId = 0;
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[SerializeField]
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private WirePortDataType m_mainPortType = 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.FLOAT, false, "True" );
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AddInputPort( WirePortDataType.FLOAT, false, "False" );
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AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
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m_textLabelWidth = 65;
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}
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public override void DrawProperties()
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{
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base.DrawProperties();
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EditorGUI.BeginChangeCheck();
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m_currentKeywordId = EditorGUILayoutPopup( KeywordStr, m_currentKeywordId, UIUtils.AvailableKeywords );
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if ( EditorGUI.EndChangeCheck() )
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{
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if ( m_currentKeywordId != 0 )
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{
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m_currentKeyword = UIUtils.AvailableKeywords[ m_currentKeywordId ];
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}
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}
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if ( m_currentKeywordId == 0 )
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{
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m_currentKeyword = EditorGUILayoutTextField( CustomStr, m_currentKeyword );
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}
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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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UpdateConnected( portId );
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}
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public override void OnConnectedOutputNodeChanges( int portId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
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{
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base.OnConnectedOutputNodeChanges( portId, otherNodeId, otherPortId, name, type );
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UpdateConnected( portId );
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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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UpdateDisconnected( portId );
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}
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void UpdateConnected( int portId )
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{
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m_inputPorts[ portId ].MatchPortToConnection();
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int otherPortId = ( portId + 1 ) % 2;
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if ( m_inputPorts[ otherPortId ].IsConnected )
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{
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m_mainPortType = ( UIUtils.GetPriority( m_inputPorts[ portId ].DataType ) > UIUtils.GetPriority( m_inputPorts[ otherPortId ].DataType ) ) ?
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m_inputPorts[ portId ].DataType :
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m_inputPorts[ otherPortId ].DataType;
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}
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else
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{
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m_mainPortType = m_inputPorts[ portId ].DataType;
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m_inputPorts[ otherPortId ].ChangeType( m_mainPortType, false );
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}
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m_outputPorts[ 0 ].ChangeType( m_mainPortType, 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 trueCode = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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string falseCode = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
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string localVarName = "simpleKeywordVar"+OutputId;
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string outType = UIUtils.PrecisionWirePortToCgType( m_currentPrecisionType, m_outputPorts[ 0 ].DataType );
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dataCollector.AddLocalVariable( UniqueId, "#ifdef " + m_currentKeyword, true );
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dataCollector.AddLocalVariable( UniqueId, outType + " " + localVarName + " = " + trueCode + ";", true );
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dataCollector.AddLocalVariable( UniqueId, "#else", true );
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dataCollector.AddLocalVariable( UniqueId, outType + " " + localVarName + " = " + falseCode + ";", true );
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dataCollector.AddLocalVariable( UniqueId, "#endif", true );
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m_outputPorts[ 0 ].SetLocalValue( localVarName, dataCollector.PortCategory );
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return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
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}
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void UpdateDisconnected( int portId )
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{
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int otherPortId = ( portId + 1 ) % 2;
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if ( m_inputPorts[ otherPortId ].IsConnected )
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{
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m_mainPortType = m_inputPorts[ otherPortId ].DataType;
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m_inputPorts[ portId ].ChangeType( m_mainPortType, false );
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}
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m_outputPorts[ 0 ].ChangeType( m_mainPortType, false );
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}
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public override void ReadFromString( ref string[] nodeParams )
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{
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base.ReadFromString( ref nodeParams );
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m_currentKeyword = GetCurrentParam( ref nodeParams );
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m_currentKeywordId = UIUtils.GetKeywordId( m_currentKeyword );
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}
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public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
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{
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base.WriteToString( ref nodeInfo, ref connectionsInfo );
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IOUtils.AddFieldValueToString( ref nodeInfo, m_currentKeyword );
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}
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}
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}
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