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97 lines
3.2 KiB
97 lines
3.2 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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using UnityEngine;
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using UnityEditor;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "Linear Depth", "Miscellaneous", "Converts depth values given on logarithmic space to linear" )]
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public sealed class LinearDepthNode : ParentNode
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{
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private readonly string[] LinearModeLabels = { "Eye Space", "0-1 Space" };
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private const string LinearEyeFuncFormat = "LinearEyeDepth({0})";
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private const string Linear01FuncFormat = "Linear01Depth({0})";
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private const string LinerValName = "depthToLinear";
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private const string ViewSpaceLabel = "View Space";
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private UpperLeftWidgetHelper m_upperLeftWidget = new UpperLeftWidgetHelper();
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[SerializeField]
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private int m_currentOption = 0;
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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_autoWrapProperties = true;
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m_hasLeftDropdown = true;
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m_previewShaderGUID = "2b0785cc8b854974ab4e45419072705a";
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UpdateFromOption();
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}
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public override void Destroy()
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{
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base.Destroy();
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m_upperLeftWidget = null;
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}
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void UpdateFromOption()
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{
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m_previewMaterialPassId = m_currentOption;
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SetAdditonalTitleText( string.Format( Constants.SubTitleSpaceFormatStr, LinearModeLabels[ m_currentOption ] ) );
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}
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public override void Draw( DrawInfo drawInfo )
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{
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base.Draw( drawInfo );
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EditorGUI.BeginChangeCheck();
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m_currentOption = m_upperLeftWidget.DrawWidget( this, m_currentOption, LinearModeLabels );
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if( EditorGUI.EndChangeCheck() )
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{
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UpdateFromOption();
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}
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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_currentOption = EditorGUILayoutPopup( ViewSpaceLabel, m_currentOption, LinearModeLabels );
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if( EditorGUI.EndChangeCheck() )
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{
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SetAdditonalTitleText( string.Format( Constants.SubTitleSpaceFormatStr, LinearModeLabels[ m_currentOption ] ) );
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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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base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar );
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string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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value = string.Format( (( m_currentOption == 0 ) ? LinearEyeFuncFormat : Linear01FuncFormat), value );
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RegisterLocalVariable( 0, value, ref dataCollector, LinerValName + OutputId );
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return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
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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_currentOption );
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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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int.TryParse( GetCurrentParam( ref nodeParams ), out m_currentOption );
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UpdateFromOption();
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}
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}
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}
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