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