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34 lines
1.5 KiB
34 lines
1.5 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 System;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "Position From Transform", "Matrix Operators", "Gets the position vector from a transformation matrix" )]
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public sealed class PosFromTransformMatrix : ParentNode
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{
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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.FLOAT4x4, true, Constants.EmptyPortValue );
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AddOutputPort( WirePortDataType.FLOAT4, "XYZW" );
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AddOutputPort( WirePortDataType.FLOAT, "X" );
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AddOutputPort( WirePortDataType.FLOAT, "Y" );
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AddOutputPort( WirePortDataType.FLOAT, "Z" );
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AddOutputPort( WirePortDataType.FLOAT, "W" );
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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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if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
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return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
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string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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string result = string.Format( "float4( {0},{1},{2},{3})", value + "[3][0]", value + "[3][1]", value + "[3][2]", value + "[3][3]" );
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RegisterLocalVariable( 0, result, ref dataCollector, "matrixToPos" + OutputId );
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return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
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}
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}
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}
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