From b82da95b5181ac8bbae38efb13e950d5e88a4caa Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 23 Oct 2020 13:08:43 +0800
Subject: =?UTF-8?q?*=E7=A7=BB=E5=8A=A8amplify=20shader=20editor=E5=88=B0th?=
 =?UTF-8?q?ird=20party=E7=9B=AE=E5=BD=95?=
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---
 .../Plugins/Editor/Nodes/Textures/PannerNode.cs    | 110 +++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/Textures/PannerNode.cs

(limited to 'Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/Textures/PannerNode.cs')

diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/Textures/PannerNode.cs b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/Textures/PannerNode.cs
new file mode 100644
index 00000000..e20c8c05
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/Textures/PannerNode.cs
@@ -0,0 +1,110 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using UnityEngine;
+using System;
+
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Panner", "UV Coordinates", "Pans UV texture coordinates according to its inputs" )]
+	public sealed class PannerNode : ParentNode
+	{
+		private const string _speedXStr = "Speed X";
+		private const string _speedYStr = "Speed Y";
+		
+		private int m_cachedUsingEditorId = -1;
+		
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			AddInputPort( WirePortDataType.FLOAT2, false, "UV" ,-1,MasterNodePortCategory.Fragment,0);
+			AddInputPort( WirePortDataType.FLOAT2, false, "Speed", -1, MasterNodePortCategory.Fragment, 2 );
+			AddInputPort( WirePortDataType.FLOAT, false, "Time", -1, MasterNodePortCategory.Fragment, 1 );
+			AddOutputPort( WirePortDataType.FLOAT2, "Out" );
+			m_textLabelWidth = 70;
+			m_useInternalPortData = true;
+			m_previewShaderGUID = "6f89a5d96bdad114b9bbd0c236cac622";
+			m_inputPorts[ 2 ].FloatInternalData = 1;
+			m_continuousPreviewRefresh = true;
+		}
+
+		public override void SetPreviewInputs()
+		{
+			base.SetPreviewInputs();
+
+			if ( m_cachedUsingEditorId == -1 )
+				m_cachedUsingEditorId = Shader.PropertyToID( "_UsingEditor" );
+
+			PreviewMaterial.SetFloat( m_cachedUsingEditorId, ( m_inputPorts[ 2 ].IsConnected ? 0 : 1 ) );
+		}
+
+		public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
+		{
+			base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
+			if( portId == 1 )
+			{
+				m_continuousPreviewRefresh = false;
+			}
+		}
+
+		public override void OnInputPortDisconnected( int portId )
+		{
+			base.OnInputPortDisconnected( portId );
+			if( portId == 1 )
+			{
+				m_continuousPreviewRefresh = true;
+			}
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
+				return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
+
+			string timePort = m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector );
+			
+			if( !m_inputPorts[ 2 ].IsConnected )
+			{
+				if( !( dataCollector.IsTemplate && dataCollector.IsSRP ) )
+					dataCollector.AddToIncludes( UniqueId, Constants.UnityShaderVariables );
+				timePort += " * _Time.y";
+			}
+
+			string speed = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
+			string result = "( " + timePort + " * " + speed + " + " + m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector ) + ")";
+
+			RegisterLocalVariable( 0, result, ref dataCollector, "panner" + OutputId );
+			return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
+		}
+
+		public override void ReadFromString( ref string[] nodeParams )
+		{
+			base.ReadFromString( ref nodeParams );
+			if( UIUtils.CurrentShaderVersion() < 13107 )
+			{
+				// The internal data for the new port can be set in here since it didn't existed
+				// on older shader versions
+				float speedX = Convert.ToSingle( GetCurrentParam( ref nodeParams ) );
+				float speedY = Convert.ToSingle( GetCurrentParam( ref nodeParams ) );
+				m_inputPorts[ 1 ].Vector2InternalData = new Vector2( speedX, speedY );
+			}
+		}
+
+		public override void ReadInputDataFromString( ref string[] nodeParams )
+		{
+			base.ReadInputDataFromString( ref nodeParams );
+			if( UIUtils.CurrentShaderVersion() < 13107 )
+			{
+				//Time Port must be rewritten after internal data is read
+				// already existed in previous shaders 
+				m_inputPorts[ 2 ].FloatInternalData = 1;
+			}
+		}
+
+		public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
+		{
+			base.WriteToString( ref nodeInfo, ref connectionsInfo );
+		}
+	}
+}
-- 
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