* amplify shader editor

1 files changed, 43 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/ObjSpaceLightDirHlpNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/ObjSpaceLightDirHlpNode.cs
new file mode 100644
index 00000000..d862fdac
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/ObjSpaceLightDirHlpNode.cs
@@ -0,0 +1,43 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Object Space Light Dir", "Light", "Computes object space light direction (not normalized)" )]
+	public sealed class ObjSpaceLightDirHlpNode : HelperParentNode
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			m_funcType = "ObjSpaceLightDir";
+			m_inputPorts[ 0 ].Visible = false;
+			m_outputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT3, false );
+			m_outputPorts[ 0 ].Name = "XYZ";
+
+			AddOutputPort( WirePortDataType.FLOAT, "X" );
+			AddOutputPort( WirePortDataType.FLOAT, "Y" );
+			AddOutputPort( WirePortDataType.FLOAT, "Z" );
+
+			m_useInternalPortData = false;
+			m_previewShaderGUID = "c7852de24cec4a744b5358921e23feee";
+			m_drawPreviewAsSphere = true;
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			if( dataCollector.IsTemplate )
+			{
+				//Template must have its Light Mode correctly configured on tags to work as intended
+				return GetOutputVectorItem( 0, outputId, dataCollector.TemplateDataCollectorInstance.GetObjectSpaceLightDir( CurrentPrecisionType ) );
+			}
+
+			dataCollector.AddToIncludes( UniqueId, Constants.UnityCgLibFuncs );
+			dataCollector.AddToInput( UniqueId, SurfaceInputs.WORLD_POS );
+
+			string vertexPos = GeneratorUtils.GenerateVertexPosition( ref dataCollector, UniqueId, WirePortDataType.FLOAT4 );
+			return GetOutputVectorItem( 0, outputId, GeneratorUtils.GenerateObjectLightDirection( ref dataCollector, UniqueId, CurrentPrecisionType, vertexPos ) );
+		}
+	}
+}