* amplify shader editor

1 files changed, 50 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/VertexTangentNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/VertexTangentNode.cs
new file mode 100644
index 00000000..b4e6064f
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/VertexTangentNode.cs
@@ -0,0 +1,50 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+//
+// Custom Node Vertex Tangent World
+// Donated by Community Member Kebrus
+
+using UnityEngine;
+using System;
+
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "World Tangent", "Surface Data", "Per pixel world tangent vector", null, KeyCode.None, true, false, null, null, "kebrus" )]
+	public sealed class VertexTangentNode : ParentNode
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			AddOutputVectorPorts( WirePortDataType.FLOAT3, "XYZ" );
+			m_drawPreviewAsSphere = true;
+			m_previewShaderGUID = "61f0b80493c9b404d8c7bf56d59c3f81";
+		}
+
+		public override void PropagateNodeData( NodeData nodeData, ref MasterNodeDataCollector dataCollector )
+		{
+			base.PropagateNodeData( nodeData , ref dataCollector );
+			dataCollector.DirtyNormal = true;
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			if ( dataCollector.IsTemplate )
+			{
+				return GetOutputVectorItem( 0, outputId, dataCollector.TemplateDataCollectorInstance.GetWorldTangent( CurrentPrecisionType ) );
+			}
+
+			if( dataCollector.PortCategory == MasterNodePortCategory.Fragment || dataCollector.PortCategory == MasterNodePortCategory.Debug )
+			{
+				dataCollector.ForceNormal = true;
+
+				dataCollector.AddToInput( UniqueId, SurfaceInputs.WORLD_NORMAL, CurrentPrecisionType );
+				dataCollector.AddToInput( UniqueId, SurfaceInputs.INTERNALDATA, addSemiColon: false );
+			}
+
+			string worldTangent = GeneratorUtils.GenerateWorldTangent( ref dataCollector, UniqueId );
+
+			return GetOutputVectorItem( 0, outputId, worldTangent );
+		}
+	}
+}