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131 lines
3.9 KiB
131 lines
3.9 KiB
using System;
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using UnityEngine;
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using UnityEditor;
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namespace AmplifyShaderEditor
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{
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public enum eVectorFromMatrixMode
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{
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Row,
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Column
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}
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[Serializable]
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[NodeAttributes( "Vector From Matrix", "Matrix Operators", "Retrieve vector data from a matrix" )]
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public sealed class VectorFromMatrixNode : ParentNode
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{
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private const string IndexStr = "Index";
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private const string ModeStr = "Mode";
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[SerializeField]
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private eVectorFromMatrixMode m_mode = eVectorFromMatrixMode.Row;
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[SerializeField]
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private int m_index = 0;
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[SerializeField]
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private int m_maxIndex = 3;
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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, false, Constants.EmptyPortValue );
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m_inputPorts[ 0 ].CreatePortRestrictions( WirePortDataType.FLOAT3x3, WirePortDataType.FLOAT4x4 );
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AddOutputVectorPorts( WirePortDataType.FLOAT4, "XYZW" );
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m_useInternalPortData = true;
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m_autoWrapProperties = true;
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}
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public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
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{
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base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
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UpdatePorts();
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}
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public override void OnConnectedOutputNodeChanges( int inputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
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{
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base.OnConnectedOutputNodeChanges( inputPortId, otherNodeId, otherPortId, name, type );
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UpdatePorts();
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}
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void UpdatePorts()
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{
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m_inputPorts[ 0 ].MatchPortToConnection();
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if ( m_inputPorts[ 0 ].DataType == WirePortDataType.FLOAT3x3 )
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{
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m_outputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT3, false );
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m_outputPorts[ 0 ].Name = "XYZ";
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m_maxIndex = 2;
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m_outputPorts[ 4 ].Visible = false;
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}
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else
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{
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m_outputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT4, false );
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m_outputPorts[ 0 ].Name = "XYZW";
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m_maxIndex = 3;
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m_outputPorts[ 4 ].Visible = true;
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}
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m_sizeIsDirty = true;
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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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string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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if ( m_inputPorts[ 0 ].DataType != WirePortDataType.FLOAT4x4 &&
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m_inputPorts[ 0 ].DataType != WirePortDataType.FLOAT3x3 )
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{
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value = UIUtils.CastPortType( ref dataCollector, m_currentPrecisionType, new NodeCastInfo( UniqueId, outputId ), value, m_inputPorts[ 0 ].DataType, WirePortDataType.FLOAT4x4, value );
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}
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if ( m_mode == eVectorFromMatrixMode.Row )
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{
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value += "[" + m_index + "]";
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}
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else
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{
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string formatStr = value + "[{0}]" + "[" + m_index + "]";
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int count = 4;
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if ( m_inputPorts[ 0 ].DataType != WirePortDataType.FLOAT3x3 )
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{
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value = "float4( ";
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}
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else
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{
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count = 3;
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value = "float3( ";
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}
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for ( int i = 0; i < count; i++ )
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{
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value += string.Format( formatStr, i );
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if ( i != ( count - 1 ) )
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{
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value += ",";
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}
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}
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value += " )";
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}
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return GetOutputVectorItem( 0, outputId, value );
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}
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public override void DrawProperties()
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{
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m_mode = (eVectorFromMatrixMode)EditorGUILayoutEnumPopup( ModeStr, m_mode );
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m_index = EditorGUILayoutIntSlider( IndexStr, m_index, 0, m_maxIndex );
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base.DrawProperties();
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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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IOUtils.AddFieldValueToString( ref nodeInfo, m_mode );
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IOUtils.AddFieldValueToString( ref nodeInfo, m_index );
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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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m_mode = ( eVectorFromMatrixMode ) Enum.Parse( typeof( eVectorFromMatrixMode ), GetCurrentParam( ref nodeParams ) );
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m_index = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
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}
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}
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}
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