* amplify shader editor

14 files changed, 460 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraProjectionNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraProjectionNode.cs
new file mode 100644
index 00000000..0591ba12
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraProjectionNode.cs
@@ -0,0 +1,100 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using UnityEngine;
+using UnityEditor;
+using System;
+
+namespace AmplifyShaderEditor
+{
+	public enum BuiltInShaderCameraTypes
+	{
+		unity_CameraProjection = 0,
+		unity_CameraInvProjection
+	}
+
+	[Serializable]
+	[NodeAttributes( "Projection Matrices", "Camera And Screen", "Camera's Projection/Inverse Projection matrix" )]
+	public sealed class CameraProjectionNode : ShaderVariablesNode
+	{
+		private const string _projMatrixLabelStr = "Projection Matrix";
+		private readonly string[] _projMatrixValuesStr = {  "Camera Projection",
+															"Inverse Camera Projection"};
+
+
+		[SerializeField]
+		private BuiltInShaderCameraTypes m_selectedType = BuiltInShaderCameraTypes.unity_CameraProjection;
+
+		private UpperLeftWidgetHelper m_upperLeftWidget = new UpperLeftWidgetHelper();
+
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			ChangeOutputProperties( 0, _projMatrixValuesStr[ (int)m_selectedType ], WirePortDataType.FLOAT4x4 );
+			m_textLabelWidth = 115;
+			m_autoWrapProperties = true;
+			m_hasLeftDropdown = true;
+		}
+
+		public override void AfterCommonInit()
+		{
+			base.AfterCommonInit();
+			if( PaddingTitleLeft == 0 )
+			{
+				PaddingTitleLeft = Constants.PropertyPickerWidth + Constants.IconsLeftRightMargin;
+				if( PaddingTitleRight == 0 )
+					PaddingTitleRight = Constants.PropertyPickerWidth + Constants.IconsLeftRightMargin;
+			}
+		}
+
+		public override void Destroy()
+		{
+			base.Destroy();
+			m_upperLeftWidget = null;
+		}
+
+		public override void Draw( DrawInfo drawInfo )
+		{
+			base.Draw( drawInfo );
+			EditorGUI.BeginChangeCheck();
+			m_selectedType = (BuiltInShaderCameraTypes)m_upperLeftWidget.DrawWidget( this, (int)m_selectedType, _projMatrixValuesStr );
+			if( EditorGUI.EndChangeCheck() )
+			{
+				ChangeOutputName( 0, _projMatrixValuesStr[ (int)m_selectedType ] );
+				SetSaveIsDirty();
+			}
+		}
+
+		public override void DrawProperties()
+		{
+			base.DrawProperties();
+			EditorGUI.BeginChangeCheck();
+			m_selectedType = (BuiltInShaderCameraTypes)EditorGUILayoutPopup( _projMatrixLabelStr, (int)m_selectedType, _projMatrixValuesStr );
+			if( EditorGUI.EndChangeCheck() )
+			{
+				ChangeOutputName( 0, _projMatrixValuesStr[ (int)m_selectedType ] );
+				SetSaveIsDirty();
+			}
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar );
+			GeneratorUtils.RegisterUnity2019MatrixDefines( ref dataCollector );
+			return m_selectedType.ToString();
+		}
+
+		public override void ReadFromString( ref string[] nodeParams )
+		{
+			base.ReadFromString( ref nodeParams );
+			m_selectedType = (BuiltInShaderCameraTypes)Enum.Parse( typeof( BuiltInShaderCameraTypes ), GetCurrentParam( ref nodeParams ) );
+			ChangeOutputName( 0, _projMatrixValuesStr[ (int)m_selectedType ] );
+		}
+
+		public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
+		{
+			base.WriteToString( ref nodeInfo, ref connectionsInfo );
+			IOUtils.AddFieldValueToString( ref nodeInfo, m_selectedType );
+		}
+	}
+}
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraProjectionNode.cs.meta b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraProjectionNode.cs.meta
new file mode 100644
index 00000000..11a1c16b
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraProjectionNode.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: f776bdd36b750304c8e0de8ee1f31fc0
+timeCreated: 1481126960
+licenseType: Store
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraWorldClipPlanes.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraWorldClipPlanes.cs
new file mode 100644
index 00000000..fd23099e
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraWorldClipPlanes.cs
@@ -0,0 +1,115 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+using UnityEngine;
+using UnityEditor;
+
+namespace AmplifyShaderEditor
+{
+	public enum BuiltInShaderClipPlanesTypes
+	{
+		Left = 0,
+		Right,
+		Bottom,
+		Top,
+		Near,
+		Far
+	}
+
+	[Serializable]
+	[NodeAttributes( "Clip Planes", "Camera And Screen", "Camera World Clip Planes" )]
+	public sealed class CameraWorldClipPlanes : ShaderVariablesNode
+	{
+		[SerializeField]
+		private BuiltInShaderClipPlanesTypes m_selectedType = BuiltInShaderClipPlanesTypes.Left;
+		
+		private const string LabelStr = "Plane";
+		private const string ValueStr = "unity_CameraWorldClipPlanes";
+
+		private UpperLeftWidgetHelper m_upperLeftWidget = new UpperLeftWidgetHelper();
+		private int m_planeId;
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			ChangeOutputProperties( 0, "ABCD", WirePortDataType.FLOAT4 );
+			m_textLabelWidth = 55;
+			m_autoWrapProperties = true;
+			m_hasLeftDropdown = true;
+			SetAdditonalTitleText( string.Format( Constants.SubTitleTypeFormatStr, m_selectedType ) );
+			m_previewShaderGUID = "6afe5a4ad7bbd0e4ab352c758f543a09";
+		}
+
+		public override void OnEnable()
+		{
+			base.OnEnable();
+			m_planeId = Shader.PropertyToID( "_PlaneId" );
+		}
+
+		public override void AfterCommonInit()
+		{
+			base.AfterCommonInit();
+			if( PaddingTitleLeft == 0 )
+			{
+				PaddingTitleLeft = Constants.PropertyPickerWidth + Constants.IconsLeftRightMargin;
+				if( PaddingTitleRight == 0 )
+					PaddingTitleRight = Constants.PropertyPickerWidth + Constants.IconsLeftRightMargin;
+			}
+		}
+
+		public override void Destroy()
+		{
+			base.Destroy();
+			m_upperLeftWidget = null;
+		}
+
+		public override void Draw( DrawInfo drawInfo )
+		{
+			base.Draw( drawInfo );
+			m_upperLeftWidget.DrawWidget<BuiltInShaderClipPlanesTypes>(ref m_selectedType, this, OnWidgetUpdate );
+		}
+
+		private readonly Action<ParentNode> OnWidgetUpdate = ( x ) => {
+			x.SetAdditonalTitleText( string.Format( Constants.SubTitleTypeFormatStr, ( x as CameraWorldClipPlanes ).Type ) );
+		};
+
+		public BuiltInShaderClipPlanesTypes Type { get { return m_selectedType; } }
+
+		public override void DrawProperties()
+		{
+			base.DrawProperties();
+			EditorGUI.BeginChangeCheck();
+			m_selectedType = ( BuiltInShaderClipPlanesTypes ) EditorGUILayoutEnumPopup( LabelStr, m_selectedType );
+			if ( EditorGUI.EndChangeCheck() )
+			{
+				SetAdditonalTitleText( string.Format( Constants.SubTitleTypeFormatStr, m_selectedType ) );
+				SetSaveIsDirty();
+			}
+		}
+
+		public override void SetPreviewInputs()
+		{
+			base.SetPreviewInputs();
+			PreviewMaterial.SetInt( m_planeId, (int)m_selectedType );
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar );
+			return ValueStr + "[" + ( int ) m_selectedType + "]";
+		}
+
+		public override void ReadFromString( ref string[] nodeParams )
+		{
+			base.ReadFromString( ref nodeParams );
+			m_selectedType = ( BuiltInShaderClipPlanesTypes ) Enum.Parse( typeof( BuiltInShaderClipPlanesTypes ), GetCurrentParam( ref nodeParams ) );
+			SetAdditonalTitleText( string.Format( Constants.SubTitleTypeFormatStr, m_selectedType ) );
+		}
+
+		public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
+		{
+			base.WriteToString( ref nodeInfo, ref connectionsInfo );
+			IOUtils.AddFieldValueToString( ref nodeInfo, m_selectedType );
+		}
+	}
+}
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraWorldClipPlanes.cs.meta b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraWorldClipPlanes.cs.meta
new file mode 100644
index 00000000..3b17b846
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/CameraWorldClipPlanes.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: e5a9a010f1c8dda449c8ca7ee9e25869
+timeCreated: 1481126959
+licenseType: Store
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/OrthoParams.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/OrthoParams.cs
new file mode 100644
index 00000000..c2e93c26
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/OrthoParams.cs
@@ -0,0 +1,38 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Ortho Params", "Camera And Screen", "Orthographic Parameters" )]
+	public sealed class OrthoParams : ConstVecShaderVariable
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			ChangeOutputName( 1, "Ortho Cam Width" );
+			ChangeOutputName( 2, "Ortho Cam Height" );
+			ChangeOutputName( 3, "Unused" );
+			ChangeOutputName( 4, "Projection Mode" );
+			m_value = "unity_OrthoParams";
+			m_previewShaderGUID = "88a910ece3dce224793e669bb1bc158d";
+		}
+
+		public override void RefreshExternalReferences()
+		{
+			base.RefreshExternalReferences();
+			if( !m_outputPorts[ 0 ].IsConnected )
+			{
+				m_outputPorts[ 0 ].Visible = false;
+				m_sizeIsDirty = true;
+			}
+
+			if( !m_outputPorts[ 3 ].IsConnected )
+			{
+				m_outputPorts[ 3 ].Visible = false;
+				m_sizeIsDirty = true;
+			}
+		}
+	}
+}
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/OrthoParams.cs.meta b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/OrthoParams.cs.meta
new file mode 100644
index 00000000..d406a63e
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/OrthoParams.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: f9431cdf8e81c1d4f902b3fa7d04f7ac
+timeCreated: 1481126960
+licenseType: Store
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ProjectionParams.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ProjectionParams.cs
new file mode 100644
index 00000000..9e4357b7
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ProjectionParams.cs
@@ -0,0 +1,32 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Projection Params", "Camera And Screen", "Projection Near/Far parameters" )]
+	public sealed class ProjectionParams : ConstVecShaderVariable
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			ChangeOutputName( 1, "Flipped" );
+			ChangeOutputName( 2, "Near Plane" );
+			ChangeOutputName( 3, "Far Plane" );
+			ChangeOutputName( 4, "1/Far Plane" );
+			m_value = "_ProjectionParams";
+			m_previewShaderGUID = "97ae846cb0a6b044388fad3bc03bb4c2";
+		}
+
+		public override void RefreshExternalReferences()
+		{
+			base.RefreshExternalReferences();
+			if( !m_outputPorts[ 0 ].IsConnected )
+			{
+				m_outputPorts[ 0 ].Visible = false;
+				m_sizeIsDirty = true;
+			}
+		}
+	}
+}
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ProjectionParams.cs.meta b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ProjectionParams.cs.meta
new file mode 100644
index 00000000..8e87d5a2
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ProjectionParams.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: ba1ca8bace2c2dd4dafac6f73f4dfb1b
+timeCreated: 1481126958
+licenseType: Store
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ScreenParams.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ScreenParams.cs
new file mode 100644
index 00000000..5446ac2f
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ScreenParams.cs
@@ -0,0 +1,32 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Screen Params", "Camera And Screen", "Camera's Render Target size parameters" )]
+	public sealed class ScreenParams : ConstVecShaderVariable
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			ChangeOutputName( 1, "RT Width" );
+			ChangeOutputName( 2, "RT Height" );
+			ChangeOutputName( 3, "1+1/Width" );
+			ChangeOutputName( 4, "1+1/Height" );
+			m_value = "_ScreenParams";
+			m_previewShaderGUID = "78173633b803de4419206191fed3d61e";
+		}
+
+		//public override void RefreshExternalReferences()
+		//{
+		//	base.RefreshExternalReferences();
+		//	if( !m_outputPorts[ 0 ].IsConnected )
+		//	{
+		//		m_outputPorts[ 0 ].Visible = false;
+		//		m_sizeIsDirty = true;
+		//	}
+		//}
+	}
+}
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ScreenParams.cs.meta b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ScreenParams.cs.meta
new file mode 100644
index 00000000..f43db824
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ScreenParams.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 2e593f23857d59643b5b5f6dd6264e1b
+timeCreated: 1481126954
+licenseType: Store
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/WorldSpaceCameraPos.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/WorldSpaceCameraPos.cs
new file mode 100644
index 00000000..2342f158
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/WorldSpaceCameraPos.cs
@@ -0,0 +1,28 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "World Space Camera Pos", "Camera And Screen", "World Space Camera position" )]
+	public sealed class WorldSpaceCameraPos : ConstantShaderVariable
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			ChangeOutputProperties( 0, "XYZ", WirePortDataType.FLOAT3 );
+			AddOutputPort( WirePortDataType.FLOAT, "X" );
+			AddOutputPort( WirePortDataType.FLOAT, "Y" );
+			AddOutputPort( WirePortDataType.FLOAT, "Z" );
+
+			m_value = "_WorldSpaceCameraPos";
+			m_previewShaderGUID = "6b0c78411043dd24dac1152c84bb63ba";
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			return GetOutputVectorItem( 0, outputId, base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar ) );
+		}
+	}
+}
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/WorldSpaceCameraPos.cs.meta b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/WorldSpaceCameraPos.cs.meta
new file mode 100644
index 00000000..8a47447f
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/WorldSpaceCameraPos.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 972d92a6008896f4292a61726e18f667
+timeCreated: 1481126957
+licenseType: Store
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ZBufferParams.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ZBufferParams.cs
new file mode 100644
index 00000000..4fcb5e19
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ZBufferParams.cs
@@ -0,0 +1,31 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Z-Buffer Params", "Camera And Screen", "Linearized Z buffer values" )]
+	public sealed class ZBufferParams : ConstVecShaderVariable
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			ChangeOutputName( 1, "1-far/near" );
+			ChangeOutputName( 2, "far/near" );
+			ChangeOutputName( 3, "[0]/far" );
+			ChangeOutputName( 4, "[1]/far" );
+			m_value = "_ZBufferParams";
+			m_previewShaderGUID = "56c42c106bcb497439187f5bb6b6f94d";
+		}
+		public override void RefreshExternalReferences()
+		{
+			base.RefreshExternalReferences();
+			if( !m_outputPorts[ 0 ].IsConnected )
+			{
+				m_outputPorts[ 0 ].Visible = false;
+				m_sizeIsDirty = true;
+			}
+		}
+	}
+}
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ZBufferParams.cs.meta b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ZBufferParams.cs.meta
new file mode 100644
index 00000000..e8b668c8
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/ShaderVariables/CameraAndScreen/ZBufferParams.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 2765a41106f478f4982e859b978bdec4
+timeCreated: 1481126954
+licenseType: Store
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
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