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155 lines
4.3 KiB
155 lines
4.3 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( "Screen Position", "Camera And Screen", "Screen space position, you can either get the <b>Screen</b> position as is or <b>Normalize</b> it to have it at the [0,1] range" )]
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public sealed class ScreenPosInputsNode : SurfaceShaderINParentNode
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{
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private const string ProjectStr = "Project";
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private const string UVInvertHack = "Scale and Offset";
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private readonly string[] m_outputTypeStr = { "Normalized", "Screen" };
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[SerializeField]
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private int m_outputTypeInt = 0;
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[SerializeField]
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private bool m_scaleAndOffset = false;
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private UpperLeftWidgetHelper m_upperLeftWidget = new UpperLeftWidgetHelper();
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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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m_currentInput = SurfaceInputs.SCREEN_POS;
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InitialSetup();
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m_textLabelWidth = 65;
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m_autoWrapProperties = true;
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m_hasLeftDropdown = true;
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m_previewShaderGUID = "a5e7295278a404175b732f1516fb68a6";
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if( UIUtils.CurrentWindow != null && UIUtils.CurrentWindow.CurrentGraph != null && UIUtils.CurrentShaderVersion() <= 2400 )
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m_outputTypeInt = 1;
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ConfigureHeader();
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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_outputTypeInt = m_upperLeftWidget.DrawWidget( this, m_outputTypeInt, m_outputTypeStr );
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if( EditorGUI.EndChangeCheck() )
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{
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ConfigureHeader();
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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_outputTypeInt = EditorGUILayoutPopup( "Type", m_outputTypeInt, m_outputTypeStr );
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if( EditorGUI.EndChangeCheck() )
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{
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ConfigureHeader();
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}
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}
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void ConfigureHeader()
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{
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SetAdditonalTitleText( string.Format( Constants.SubTitleTypeFormatStr, m_outputTypeStr[ m_outputTypeInt ] ) );
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}
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public override void Reset()
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{
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base.Reset();
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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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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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{
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return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
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}
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if( dataCollector.IsFragmentCategory && !dataCollector.UsingCustomScreenPos )
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base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalVar );
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string screenPos = string.Empty;
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if( m_outputTypeInt == 0 )
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{
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if( dataCollector.IsTemplate )
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{
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screenPos = dataCollector.TemplateDataCollectorInstance.GetScreenPosNormalized();
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}
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else
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{
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screenPos = GeneratorUtils.GenerateScreenPositionNormalized( ref dataCollector, UniqueId, m_currentPrecisionType, false );
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}
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}
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else
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{
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if( dataCollector.IsTemplate )
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{
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screenPos = dataCollector.TemplateDataCollectorInstance.GetScreenPos();
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}
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else
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{
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screenPos = GeneratorUtils.GenerateScreenPosition( ref dataCollector, UniqueId, m_currentPrecisionType, false );
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}
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}
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m_outputPorts[ 0 ].SetLocalValue( screenPos, dataCollector.PortCategory );
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return GetOutputVectorItem( 0, outputId, screenPos );
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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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if( UIUtils.CurrentShaderVersion() > 2400 )
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{
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if( UIUtils.CurrentShaderVersion() < 6102 )
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{
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bool project = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
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m_outputTypeInt = project ? 0 : 1;
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}
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else
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{
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m_outputTypeInt = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
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}
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}
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if( UIUtils.CurrentShaderVersion() > 3107 )
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{
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m_scaleAndOffset = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
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m_scaleAndOffset = false;
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}
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ConfigureHeader();
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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_outputTypeInt );
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IOUtils.AddFieldValueToString( ref nodeInfo, m_scaleAndOffset );
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}
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}
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}
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