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- // Amplify Shader Editor - Visual Shader Editing Tool
- // Copyright (c) Amplify Creations, Lda <info@amplify.pt>
-
- using UnityEngine;
- using UnityEditor;
- using System;
-
- namespace AmplifyShaderEditor
- {
- [Serializable]
- [NodeAttributes( "Keyword Switch", "Logical Operators", "Attributes a value according to the existance of a selected keyword", Deprecated = true, DeprecatedAlternativeType = typeof(StaticSwitch), DeprecatedAlternative = "Static Switch" )]
- public sealed class KeywordSwitchNode : ParentNode
- {
- private const string KeywordStr = "Keyword";
- private const string CustomStr = "Custom";
-
- [SerializeField]
- private string m_currentKeyword = string.Empty;
-
- [SerializeField]
- private int m_currentKeywordId = 0;
-
- [SerializeField]
- private WirePortDataType m_mainPortType = WirePortDataType.FLOAT;
-
- protected override void CommonInit( int uniqueId )
- {
- base.CommonInit( uniqueId );
- AddInputPort( WirePortDataType.FLOAT, false, "True" );
- AddInputPort( WirePortDataType.FLOAT, false, "False" );
- AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
- m_textLabelWidth = 65;
- }
-
- public override void DrawProperties()
- {
- base.DrawProperties();
- EditorGUI.BeginChangeCheck();
- m_currentKeywordId = EditorGUILayoutPopup( KeywordStr, m_currentKeywordId, UIUtils.AvailableKeywords );
- if ( EditorGUI.EndChangeCheck() )
- {
- if ( m_currentKeywordId != 0 )
- {
- m_currentKeyword = UIUtils.AvailableKeywords[ m_currentKeywordId ];
- }
- }
- if ( m_currentKeywordId == 0 )
- {
- m_currentKeyword = EditorGUILayoutTextField( CustomStr, m_currentKeyword );
- }
- }
-
- public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
- {
- base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
- UpdateConnected( portId );
- }
-
- public override void OnConnectedOutputNodeChanges( int portId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
- {
- base.OnConnectedOutputNodeChanges( portId, otherNodeId, otherPortId, name, type );
- UpdateConnected( portId );
- }
-
- public override void OnInputPortDisconnected( int portId )
- {
- base.OnInputPortDisconnected( portId );
- UpdateDisconnected( portId );
- }
-
- void UpdateConnected( int portId )
- {
- m_inputPorts[ portId ].MatchPortToConnection();
- int otherPortId = ( portId + 1 ) % 2;
- if ( m_inputPorts[ otherPortId ].IsConnected )
- {
- m_mainPortType = ( UIUtils.GetPriority( m_inputPorts[ portId ].DataType ) > UIUtils.GetPriority( m_inputPorts[ otherPortId ].DataType ) ) ?
- m_inputPorts[ portId ].DataType :
- m_inputPorts[ otherPortId ].DataType;
- }
- else
- {
- m_mainPortType = m_inputPorts[ portId ].DataType;
- m_inputPorts[ otherPortId ].ChangeType( m_mainPortType, false );
- }
- m_outputPorts[ 0 ].ChangeType( m_mainPortType, 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 trueCode = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
- string falseCode = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
-
- string localVarName = "simpleKeywordVar"+OutputId;
- string outType = UIUtils.PrecisionWirePortToCgType( m_currentPrecisionType, m_outputPorts[ 0 ].DataType );
- dataCollector.AddLocalVariable( UniqueId, "#ifdef " + m_currentKeyword, true );
- dataCollector.AddLocalVariable( UniqueId, outType + " " + localVarName + " = " + trueCode + ";", true );
- dataCollector.AddLocalVariable( UniqueId, "#else", true );
- dataCollector.AddLocalVariable( UniqueId, outType + " " + localVarName + " = " + falseCode + ";", true );
- dataCollector.AddLocalVariable( UniqueId, "#endif", true );
- m_outputPorts[ 0 ].SetLocalValue( localVarName, dataCollector.PortCategory );
-
- return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
- }
-
- void UpdateDisconnected( int portId )
- {
- int otherPortId = ( portId + 1 ) % 2;
- if ( m_inputPorts[ otherPortId ].IsConnected )
- {
- m_mainPortType = m_inputPorts[ otherPortId ].DataType;
- m_inputPorts[ portId ].ChangeType( m_mainPortType, false );
- }
- m_outputPorts[ 0 ].ChangeType( m_mainPortType, false );
- }
-
- public override void ReadFromString( ref string[] nodeParams )
- {
- base.ReadFromString( ref nodeParams );
- m_currentKeyword = GetCurrentParam( ref nodeParams );
- m_currentKeywordId = UIUtils.GetKeywordId( m_currentKeyword );
- }
-
- public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
- {
- base.WriteToString( ref nodeInfo, ref connectionsInfo );
- IOUtils.AddFieldValueToString( ref nodeInfo, m_currentKeyword );
- }
- }
- }
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