86 lines
3.2 KiB
C#
86 lines
3.2 KiB
C#
// Amplify Shader Editor - Visual Shader vEditing 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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[NodeAttributes( "Material Quality", "Logical Operators", "Choose between separate branches according to currently selected Quality (SRP only) ", Available = true )]
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public class MaterialQualityNode : ParentNode
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{
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private const string SRPError = "Node intended to be used only on SRP templates as it makes use of keywords defined over that environment.";
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private const string MaxKeyword = "MATERIAL_QUALITY_HIGH";
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private const string MedKeyword = "MATERIAL_QUALITY_MEDIUM";
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private const string MinKeyword = "MATERIAL_QUALITY_LOW";
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private const string MaterialPragmas = "#pragma shader_feature " + MaxKeyword + " " + MedKeyword + " " + MinKeyword;
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private readonly string[] MaterialCode =
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{
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"#if defined("+MaxKeyword+")",
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"#elif defined("+MedKeyword+")",
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"#else",
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"#endif"
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};
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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, "High" );
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AddInputPort( WirePortDataType.FLOAT, false, "Medium" );
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AddInputPort( WirePortDataType.FLOAT, false, "Low" );
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AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
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m_errorMessageTypeIsError = NodeMessageType.Error;
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m_errorMessageTooltip = SRPError;
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}
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public override void OnNodeLogicUpdate( DrawInfo drawInfo )
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{
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base.OnNodeLogicUpdate( drawInfo );
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if( !ContainerGraph.IsSRP )
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{
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if( !m_showErrorMessage )
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{
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m_showErrorMessage = true;
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}
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}
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else
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{
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if( m_showErrorMessage )
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{
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m_showErrorMessage = false;
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}
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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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dataCollector.AddToDirectives( MaterialPragmas );
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string maxQualityValue = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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string medQualityValue = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
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string minQualityValue = m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector );
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string localVarName = "currQuality" + OutputId;
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dataCollector.AddLocalVariable( UniqueId, CurrentPrecisionType, m_outputPorts[ 0 ].DataType, localVarName, "0" );
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//High
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dataCollector.AddLocalVariable( UniqueId, MaterialCode[ 0 ], true );
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dataCollector.AddLocalVariable( UniqueId, localVarName, maxQualityValue, false, true );
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//Medium
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dataCollector.AddLocalVariable( UniqueId, MaterialCode[ 1 ], true );
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dataCollector.AddLocalVariable( UniqueId, localVarName, medQualityValue, false, true );
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//Low
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dataCollector.AddLocalVariable( UniqueId, MaterialCode[ 2 ], true );
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dataCollector.AddLocalVariable( UniqueId, localVarName, minQualityValue,false,true );
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m_outputPorts[ 0 ].SetLocalValue( localVarName, dataCollector.PortCategory );
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dataCollector.AddLocalVariable( UniqueId, MaterialCode[ 3 ], true );
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return localVarName;
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}
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}
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}
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