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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using UnityEngine;
using UnityEditor;
using System;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "PI", "Constants And Properties", "PI constant : 3.14159265359" )]
public sealed class PiNode : ParentNode
{
public PiNode() : base() { }
public PiNode( int uniqueId, float x, float y, float width, float height ) : base( uniqueId, x, y, width, height ) { }
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
AddInputPort( WirePortDataType.FLOAT, true, "Multiplier" );
AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
m_textLabelWidth = 70;
InputPorts[ 0 ].FloatInternalData = 1;
m_useInternalPortData = true;
m_previewShaderGUID = "bf4a65726dab3d445a69fb1d0945c33e";
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
{
base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar );
string finalValue = string.Empty;
string piString = dataCollector.IsSRP ? "PI" : "UNITY_PI";
if( !InputPorts[ 0 ].IsConnected && InputPorts[ 0 ].FloatInternalData == 1 )
{
finalValue = piString;
} else
{
string multiplier = InputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
finalValue = "( " + multiplier + " * " + piString + " )";
}
if ( finalValue.Equals( string.Empty ) )
{
UIUtils.ShowMessage( UniqueId, "PINode generating empty code", MessageSeverity.Warning );
}
return finalValue;
}
//public override void ReadFromString( ref string[] nodeParams )
//{
// base.ReadFromString( ref nodeParams );
// Removed on version 5004
//m_value = Convert.ToSingle( GetCurrentParam( ref nodeParams ) );
//}
//public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
//{
// base.WriteToString( ref nodeInfo, ref connectionsInfo );
//}
}
}
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