FateViewer/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/SurfaceShaderInputs/LocalVertexPosNode.cs

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2023-10-09 00:51:40 +08:00
// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using System;
using UnityEngine;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "[Deprecated] Local Position", "Surface Data", "Interpolated Vertex Position in Local Space", null, KeyCode.None, true, true, "Vertex Position", typeof( PosVertexDataNode ) )]
public sealed class LocalVertexPosNode : ParentNode
{
private const string VertexVarName = "localVertexPos";
private readonly string VertexOnFrag = Constants.InputVarStr + "." + VertexVarName;
private readonly string VertexOnVert = Constants.VertexShaderInputStr + ".vertex";
[SerializeField]
private bool m_addInstruction = false;
public override void Reset()
{
base.Reset();
m_addInstruction = true;
}
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
AddOutputVectorPorts( WirePortDataType.FLOAT3, "XYZ" );
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
{
if ( dataCollector.PortCategory == MasterNodePortCategory.Vertex || dataCollector.PortCategory == MasterNodePortCategory.Tessellation )
{
return GetOutputVectorItem( 0, outputId, VertexOnVert );
}
else
{
if ( m_addInstruction )
{
dataCollector.AddToInput( UniqueId, VertexVarName, WirePortDataType.FLOAT3 );
dataCollector.AddVertexInstruction( Constants.VertexShaderOutputStr + "." + VertexVarName + " = " + Constants.VertexShaderInputStr + ".vertex.xyz ", UniqueId );
m_addInstruction = false;
}
return GetOutputVectorItem( 0, outputId, VertexOnFrag );
}
}
}
}