* amplify shader editor

1 files changed, 34 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Misc/PosFromTransformMatrix.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Misc/PosFromTransformMatrix.cs
new file mode 100644
index 00000000..41a14788
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Misc/PosFromTransformMatrix.cs
@@ -0,0 +1,34 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Position From Transform", "Matrix Operators", "Gets the position vector from a transformation matrix" )]
+	public sealed class PosFromTransformMatrix : ParentNode
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			AddInputPort( WirePortDataType.FLOAT4x4, true, Constants.EmptyPortValue );
+			AddOutputPort( WirePortDataType.FLOAT4, "XYZW" );
+			AddOutputPort( WirePortDataType.FLOAT, "X" );
+			AddOutputPort( WirePortDataType.FLOAT, "Y" );
+			AddOutputPort( WirePortDataType.FLOAT, "Z" );
+			AddOutputPort( WirePortDataType.FLOAT, "W" );
+		}
+
+		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 ) );
+
+			string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector  );
+			string result = string.Format( "float4( {0},{1},{2},{3})", value + "[3][0]", value + "[3][1]", value + "[3][2]", value + "[3][3]" );
+			RegisterLocalVariable( 0, result, ref dataCollector, "matrixToPos" + OutputId );
+
+			return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
+		}
+	}
+}