1 files changed, 93 insertions, 0 deletions
diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/HelperParentNode.cs b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/HelperParentNode.cs
new file mode 100644
index 00000000..79c18bb1
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/HelperParentNode.cs
@@ -0,0 +1,93 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+//https://docs.unity3d.com/Manual/SL-BuiltinFunctions.html
+
+using System;
+using UnityEngine;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	public class HelperParentNode : ParentNode
+	{
+		[SerializeField]
+		protected string m_funcType = string.Empty;
+
+		[SerializeField]
+		protected string m_funcLWFormatOverride = string.Empty;
+
+		[SerializeField]
+		protected string m_funcHDFormatOverride = string.Empty;
+
+		protected string m_localVarName = null;
+
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			AddInputPort( WirePortDataType.FLOAT, false, Constants.EmptyPortValue );
+			AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
+			m_useInternalPortData = true;
+		}
+
+		public override string GetIncludes()
+		{
+			return Constants.UnityCgLibFuncs;
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
+				return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
+
+			base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar );
+
+			if( !( dataCollector.IsTemplate && dataCollector.IsSRP ) )
+				dataCollector.AddToIncludes( UniqueId, Constants.UnityCgLibFuncs );
+
+			string concatResults = string.Empty;
+			bool first = true;
+			for( int i = 0; i < m_inputPorts.Count; i++ )
+			{
+				if( m_inputPorts[ i ].Visible )
+				{
+					if( !first )
+					{
+						concatResults += " , ";
+					}
+					else
+					{
+						first = false;
+					}
+
+					string result = string.Empty;
+					if( m_inputPorts[ i ].IsConnected )
+					{
+						result = m_inputPorts[ i ].GeneratePortInstructions( ref dataCollector );
+					}
+					else
+					{
+						result = m_inputPorts[ i ].WrappedInternalData;
+					}
+
+					concatResults += result;
+				}
+			}
+			string finalResult = m_funcType + "( " + concatResults + " )";
+			if( dataCollector.IsTemplate )
+			{
+				if( dataCollector.TemplateDataCollectorInstance.CurrentSRPType == TemplateSRPType.Lightweight && !string.IsNullOrEmpty( m_funcLWFormatOverride ) )
+				{
+					finalResult = string.Format( m_funcLWFormatOverride, concatResults );
+				}
+				else if( dataCollector.TemplateDataCollectorInstance.CurrentSRPType == TemplateSRPType.HD && !string.IsNullOrEmpty( m_funcHDFormatOverride ) )
+				{
+					finalResult = string.Format( m_funcHDFormatOverride, concatResults );
+				}
+
+			}
+
+			RegisterLocalVariable( 0, finalResult, ref dataCollector, m_localVarName );
+			return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
+		}
+	}
+}