745 lines
32 KiB
C#
745 lines
32 KiB
C#
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// 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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enum POMTexTypes
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{
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Texture2D,
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Texture3D,
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TextureArray
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};
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[Serializable]
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[NodeAttributes( "Parallax Occlusion Mapping", "UV Coordinates", "Calculates offseted UVs for parallax occlusion mapping" )]
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public sealed class ParallaxOcclusionMappingNode : ParentNode
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{
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private const string ArrayIndexStr = "Array Index";
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private const string Tex3DSliceStr = "Tex3D Slice";
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private readonly string[] m_channelTypeStr = { "Red Channel", "Green Channel", "Blue Channel", "Alpha Channel" };
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private readonly string[] m_channelTypeVal = { "r", "g", "b", "a" };
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[SerializeField]
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private int m_selectedChannelInt = 0;
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//[SerializeField]
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//private int m_minSamples = 8;
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//[SerializeField]
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//private int m_maxSamples = 16;
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[SerializeField]
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private InlineProperty m_inlineMinSamples = new InlineProperty( 8 );
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[SerializeField]
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private InlineProperty m_inlineMaxSamples = new InlineProperty( 16 );
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[ SerializeField]
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private int m_sidewallSteps = 2;
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[SerializeField]
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private float m_defaultScale = 0.02f;
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[SerializeField]
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private float m_defaultRefPlane = 0f;
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[SerializeField]
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private bool m_clipEnds = false;
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[SerializeField]
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private Vector2 m_tilling = new Vector2( 1, 1 );
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[SerializeField]
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private bool m_useCurvature = false;
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//[SerializeField]
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//private bool m_useTextureArray = false;
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[SerializeField]
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private POMTexTypes m_pomTexType = POMTexTypes.Texture2D;
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//[SerializeField]
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//private bool m_useCurvature = false;
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[SerializeField]
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private Vector2 m_CurvatureVector = new Vector2( 0, 0 );
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private string m_functionHeader = "POM( {0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10}, {11}, {12}, {13} )";
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private string m_functionBody = string.Empty;
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//private const string WorldDirVarStr = "worldViewDir";
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private InputPort m_uvPort;
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private InputPort m_texPort;
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private InputPort m_scalePort;
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private InputPort m_viewdirTanPort;
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private InputPort m_refPlanePort;
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private InputPort m_curvaturePort;
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private InputPort m_arrayIndexPort;
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private OutputPort m_pomUVPort;
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private Vector4Node m_texCoordsHelper;
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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.FLOAT2, false, "UV" );
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AddInputPort( WirePortDataType.SAMPLER2D, false, "Tex" );
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AddInputPort( WirePortDataType.FLOAT, false, "Scale" );
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AddInputPort( WirePortDataType.FLOAT3, false, "ViewDir (tan)" );
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AddInputPort( WirePortDataType.FLOAT, false, "Ref Plane" );
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AddInputPort( WirePortDataType.FLOAT2, false, "Curvature" );
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AddInputPort( WirePortDataType.FLOAT, false, ArrayIndexStr );
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AddOutputPort( WirePortDataType.FLOAT2, "Out" );
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m_uvPort = m_inputPorts[ 0 ];
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m_texPort = m_inputPorts[ 1 ];
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m_scalePort = m_inputPorts[ 2 ];
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m_viewdirTanPort = m_inputPorts[ 3 ];
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m_refPlanePort = m_inputPorts[ 4 ];
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m_pomUVPort = m_outputPorts[ 0 ];
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m_curvaturePort = m_inputPorts[ 5 ];
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m_arrayIndexPort = m_inputPorts[ 6 ];
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m_scalePort.FloatInternalData = 0.02f;
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m_useInternalPortData = false;
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m_textLabelWidth = 130;
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m_autoWrapProperties = true;
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m_curvaturePort.Visible = false;
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m_arrayIndexPort.Visible = false;
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UpdateSampler();
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}
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public override void DrawProperties()
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{
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base.DrawProperties();
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EditorGUI.BeginChangeCheck();
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m_selectedChannelInt = EditorGUILayoutPopup( "Channel", m_selectedChannelInt, m_channelTypeStr );
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if ( EditorGUI.EndChangeCheck() )
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{
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UpdateSampler();
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GeneratePOMfunction();
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}
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EditorGUIUtility.labelWidth = 105;
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//m_minSamples = EditorGUILayoutIntSlider( "Min Samples", m_minSamples, 1, 128 );
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UndoParentNode inst = this;
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m_inlineMinSamples.CustomDrawer( ref inst, ( x ) => { m_inlineMinSamples.IntValue = EditorGUILayoutIntSlider( "Min Samples", m_inlineMinSamples.IntValue, 1, 128 ); }, "Min Samples" );
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//m_maxSamples = EditorGUILayoutIntSlider( "Max Samples", m_maxSamples, 1, 128 );
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m_inlineMaxSamples.CustomDrawer( ref inst, ( x ) => { m_inlineMaxSamples.IntValue = EditorGUILayoutIntSlider( "Max Samples", m_inlineMaxSamples.IntValue, 1, 128 ); }, "Max Samples" );
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EditorGUI.BeginChangeCheck();
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m_sidewallSteps = EditorGUILayoutIntSlider( "Sidewall Steps", m_sidewallSteps, 0, 10 );
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if ( EditorGUI.EndChangeCheck() )
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{
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GeneratePOMfunction();
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}
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EditorGUI.BeginDisabledGroup(m_scalePort.IsConnected );
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m_defaultScale = EditorGUILayoutSlider( "Default Scale", m_defaultScale, 0, 1 );
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EditorGUI.EndDisabledGroup();
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EditorGUI.BeginDisabledGroup( m_refPlanePort.IsConnected );
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m_defaultRefPlane = EditorGUILayoutSlider( "Default Ref Plane", m_defaultRefPlane, 0, 1 );
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EditorGUI.EndDisabledGroup();
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EditorGUIUtility.labelWidth = m_textLabelWidth;
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EditorGUI.BeginChangeCheck();
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//m_useTextureArray = EditorGUILayoutToggle( "Use Texture Array", m_useTextureArray );
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m_pomTexType = (POMTexTypes)EditorGUILayoutEnumPopup( "Texture Type", m_pomTexType );
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if( EditorGUI.EndChangeCheck() )
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{
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UpdateIndexPort();
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m_sizeIsDirty = true;
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GeneratePOMfunction();
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//UpdateCurvaturePort();
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}
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if( m_arrayIndexPort.Visible && !m_arrayIndexPort.IsConnected )
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{
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m_arrayIndexPort.FloatInternalData = EditorGUILayoutFloatField( "Array Index", m_arrayIndexPort.FloatInternalData );
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}
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//float cached = EditorGUIUtility.labelWidth;
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//EditorGUIUtility.labelWidth = 70;
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m_clipEnds = EditorGUILayoutToggle( "Clip Edges", m_clipEnds );
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//EditorGUIUtility.labelWidth = -1;
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//EditorGUIUtility.labelWidth = 100;
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//EditorGUILayout.BeginHorizontal();
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//EditorGUI.BeginDisabledGroup( !m_clipEnds );
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//m_tilling = EditorGUILayout.Vector2Field( string.Empty, m_tilling );
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//EditorGUI.EndDisabledGroup();
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//EditorGUILayout.EndHorizontal();
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//EditorGUIUtility.labelWidth = cached;
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EditorGUI.BeginChangeCheck();
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m_useCurvature = EditorGUILayoutToggle( "Clip Silhouette", m_useCurvature );
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if ( EditorGUI.EndChangeCheck() )
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{
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GeneratePOMfunction();
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UpdateCurvaturePort();
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}
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EditorGUI.BeginDisabledGroup( !(m_useCurvature && !m_curvaturePort.IsConnected) );
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m_CurvatureVector = EditorGUILayoutVector2Field( string.Empty, m_CurvatureVector );
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EditorGUI.EndDisabledGroup();
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EditorGUILayout.HelpBox( "WARNING:\nTex must be connected to a Texture Object for this node to work\n\nMin and Max samples:\nControl the minimum and maximum number of layers extruded\n\nSidewall Steps:\nThe number of interpolations done to smooth the extrusion result on the side of the layer extrusions, min is used at steep angles while max is used at orthogonal angles\n\n"+
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"Ref Plane:\nReference plane lets you adjust the starting reference height, 0 = deepen ground, 1 = raise ground, any value above 0 might cause distortions at higher angles\n\n"+
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"Clip Edges:\nThis will clip the ends of your uvs to give a more 3D look at the edges. It'll use the tilling given by your Heightmap input.\n\n"+
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"Clip Silhouette:\nTurning this on allows you to use the UV coordinates to clip the effect curvature in U or V axis, useful for cylinders, works best with 'Clip Edges' turned OFF", MessageType.None );
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}
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private void UpdateIndexPort()
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{
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m_arrayIndexPort.Visible = m_pomTexType != POMTexTypes.Texture2D;
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if( m_arrayIndexPort.Visible )
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{
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m_arrayIndexPort.Name = m_pomTexType == POMTexTypes.Texture3D ? Tex3DSliceStr : ArrayIndexStr;
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}
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}
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private void UpdateSampler()
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{
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m_texPort.Name = "Tex (" + m_channelTypeVal[ m_selectedChannelInt ].ToUpper() + ")";
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}
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private void UpdateCurvaturePort()
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{
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if ( m_useCurvature )
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m_curvaturePort.Visible = true;
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else
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m_curvaturePort.Visible = false;
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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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if( !m_texPort.IsConnected )
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{
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UIUtils.ShowMessage( UniqueId, "Parallax Occlusion Mapping node only works if a Texture Object is connected to its Tex (R) port" );
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return "0";
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}
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base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar );
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WirePortDataType texType = ( m_pomTexType == POMTexTypes.Texture3D )?WirePortDataType.SAMPLER3D: WirePortDataType.SAMPLER2D;
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GeneratePOMfunction();
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string arrayIndex = m_arrayIndexPort.Visible?m_arrayIndexPort.GeneratePortInstructions( ref dataCollector ):"0";
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string textcoords = m_uvPort.GeneratePortInstructions( ref dataCollector );
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if( m_pomTexType == POMTexTypes.Texture3D )
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{
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string texName = "pomTexCoord" + OutputId;
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dataCollector.AddLocalVariable( UniqueId, CurrentPrecisionType, WirePortDataType.FLOAT3, texName, string.Format( "float3({0},{1})", textcoords, arrayIndex ) );
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textcoords = texName;
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}
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string texture = m_texPort.GenerateShaderForOutput( ref dataCollector, texType,false,true );
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string scale = m_defaultScale.ToString();
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if( m_scalePort.IsConnected )
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scale = m_scalePort.GeneratePortInstructions( ref dataCollector );
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string viewDirTan = "";
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if ( !m_viewdirTanPort.IsConnected )
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{
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if ( !dataCollector.DirtyNormal )
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dataCollector.ForceNormal = true;
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if ( dataCollector.IsTemplate )
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{
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viewDirTan = dataCollector.TemplateDataCollectorInstance.GetTangentViewDir( CurrentPrecisionType );
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}
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else
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{
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viewDirTan = GeneratorUtils.GenerateViewDirection( ref dataCollector, UniqueId, ViewSpace.Tangent );
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//dataCollector.AddToInput( UniqueId, SurfaceInputs.VIEW_DIR, m_currentPrecisionType );
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//viewDirTan = Constants.InputVarStr + "." + UIUtils.GetInputValueFromType( SurfaceInputs.VIEW_DIR );
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}
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}
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else
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{
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viewDirTan = m_viewdirTanPort.GeneratePortInstructions( ref dataCollector );
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}
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//generate world normal
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string normalWorld = string.Empty;
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if ( dataCollector.IsTemplate )
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{
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normalWorld = dataCollector.TemplateDataCollectorInstance.GetWorldNormal( CurrentPrecisionType );
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}
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else
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{
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dataCollector.AddToInput( UniqueId, SurfaceInputs.WORLD_NORMAL, CurrentPrecisionType );
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dataCollector.AddToInput( UniqueId, SurfaceInputs.INTERNALDATA, addSemiColon: false );
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normalWorld = GeneratorUtils.GenerateWorldNormal( ref dataCollector, UniqueId );
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}
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//string normalWorld = "WorldNormalVector( " + Constants.InputVarStr + ", float3( 0, 0, 1 ) )";
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//generate viewDir in world space
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//string worldPos = string.Empty;
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//if( dataCollector.IsTemplate )
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//{
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// worldPos = dataCollector.TemplateDataCollectorInstance.GetWorldPos();
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//}
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//else
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//{
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// dataCollector.AddToInput( UniqueId, SurfaceInputs.WORLD_POS );
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// worldPos = Constants.InputVarStr + ".worldPos";
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//}
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//if( !dataCollector.IsTemplate )
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// dataCollector.AddToInput( UniqueId, SurfaceInputs.WORLD_POS );
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string worldViewDir = GeneratorUtils.GenerateViewDirection( ref dataCollector, UniqueId, ViewSpace.World );
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//dataCollector.AddToLocalVariables( UniqueId, m_currentPrecisionType, WirePortDataType.FLOAT3, WorldDirVarStr, TemplateHelperFunctions.WorldSpaceViewDir( dataCollector, worldPos, true ) );
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string dx = "ddx("+ textcoords + ")";
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string dy = "ddy(" + textcoords + ")";
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string refPlane = m_defaultRefPlane.ToString();
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if ( m_refPlanePort.IsConnected )
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refPlane = m_refPlanePort.GeneratePortInstructions( ref dataCollector );
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string curvature = "float2("+ m_CurvatureVector.x + "," + m_CurvatureVector.y + ")";
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if ( m_useCurvature )
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{
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dataCollector.AddToProperties( UniqueId, "[Header(Parallax Occlusion Mapping)]", 300 );
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dataCollector.AddToProperties( UniqueId, "_CurvFix(\"Curvature Bias\", Range( 0 , 1)) = 1", 301 );
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dataCollector.AddToUniforms( UniqueId, "uniform float _CurvFix;" );
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if ( m_curvaturePort.IsConnected )
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curvature = m_curvaturePort.GeneratePortInstructions( ref dataCollector );
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}
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string localVarName = "OffsetPOM" + OutputId;
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string textCoordsST = string.Empty;
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//string textureSTType = dataCollector.IsSRP ? "float4 " : "uniform float4 ";
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//dataCollector.AddToUniforms( UniqueId, textureSTType + texture +"_ST;");
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if( m_texCoordsHelper == null )
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{
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m_texCoordsHelper = CreateInstance<Vector4Node>();
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m_texCoordsHelper.ContainerGraph = ContainerGraph;
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m_texCoordsHelper.SetBaseUniqueId( UniqueId, true );
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m_texCoordsHelper.RegisterPropertyOnInstancing = false;
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m_texCoordsHelper.AddGlobalToSRPBatcher = true;
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}
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if( UIUtils.CurrentWindow.OutsideGraph.IsInstancedShader )
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{
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m_texCoordsHelper.CurrentParameterType = PropertyType.InstancedProperty;
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}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_texCoordsHelper.CurrentParameterType = PropertyType.Global;
|
||
|
|
}
|
||
|
|
m_texCoordsHelper.ResetOutputLocals();
|
||
|
|
m_texCoordsHelper.SetRawPropertyName( texture + "_ST" );
|
||
|
|
textCoordsST = m_texCoordsHelper.GenerateShaderForOutput( 0, ref dataCollector, false );
|
||
|
|
//////
|
||
|
|
|
||
|
|
if( m_pomTexType == POMTexTypes.TextureArray )
|
||
|
|
dataCollector.UsingArrayDerivatives = true;
|
||
|
|
string textureArgs = string.Empty;
|
||
|
|
if( m_pomTexType == POMTexTypes.TextureArray )
|
||
|
|
{
|
||
|
|
if( UIUtils.CurrentWindow.OutsideGraph.IsSRP )
|
||
|
|
{
|
||
|
|
textureArgs = "TEXTURE2D_ARRAY_ARGS( " + texture + ", sampler" + texture + ")";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
textureArgs = "UNITY_PASS_TEX2DARRAY(" + texture + ")";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
bool sampleThroughMacros = UIUtils.CurrentWindow.OutsideGraph.SamplingThroughMacros;
|
||
|
|
if( sampleThroughMacros )
|
||
|
|
{
|
||
|
|
dataCollector.AddToUniforms( UniqueId, string.Format( Constants.SamplerDeclarationSRPMacros[ TextureType.Texture2D ], texture ) );
|
||
|
|
textureArgs = string.Format( "{0},sampler{0}", texture );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
textureArgs = texture;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//string functionResult = dataCollector.AddFunctions( m_functionHeader, m_functionBody, ( (m_pomTexType == POMTexTypes.TextureArray) ? "UNITY_PASS_TEX2DARRAY(" + texture + ")": texture), textcoords, dx, dy, normalWorld, worldViewDir, viewDirTan, m_minSamples, m_maxSamples, scale, refPlane, texture+"_ST.xy", curvature, arrayIndex );
|
||
|
|
string functionResult = dataCollector.AddFunctions( m_functionHeader, m_functionBody, textureArgs, textcoords, dx, dy, normalWorld, worldViewDir, viewDirTan, m_inlineMinSamples.GetValueOrProperty(false), m_inlineMinSamples.GetValueOrProperty(false), scale, refPlane, textCoordsST + ".xy", curvature, arrayIndex );
|
||
|
|
|
||
|
|
dataCollector.AddLocalVariable( UniqueId, CurrentPrecisionType, m_pomUVPort.DataType, localVarName, functionResult );
|
||
|
|
|
||
|
|
return GetOutputVectorItem( 0, outputId, localVarName );
|
||
|
|
}
|
||
|
|
|
||
|
|
private void GeneratePOMfunction()
|
||
|
|
{
|
||
|
|
bool sampleThroughMacros = UIUtils.CurrentWindow.OutsideGraph.SamplingThroughMacros;
|
||
|
|
m_functionBody = string.Empty;
|
||
|
|
switch( m_pomTexType )
|
||
|
|
{
|
||
|
|
default:
|
||
|
|
case POMTexTypes.Texture2D:
|
||
|
|
{
|
||
|
|
string sampleParam = sampleThroughMacros ? "TEXTURE2D_PARAM(heightMap,samplerheightMap)" : "sampler2D heightMap";
|
||
|
|
IOUtils.AddFunctionHeader( ref m_functionBody, string.Format("inline float2 POM( {0}, float2 uvs, float2 dx, float2 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )", sampleParam ));
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case POMTexTypes.Texture3D:
|
||
|
|
{
|
||
|
|
string sampleParam = sampleThroughMacros ? "TEXTURE3D_PARAM( heightMap,samplerheightMap) " : "sampler3D heightMap";
|
||
|
|
IOUtils.AddFunctionHeader( ref m_functionBody, string.Format("inline float2 POM( {0}, float3 uvs, float3 dx, float3 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )", sampleParam ) );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case POMTexTypes.TextureArray:
|
||
|
|
if( UIUtils.CurrentWindow.OutsideGraph.IsSRP )
|
||
|
|
IOUtils.AddFunctionHeader( ref m_functionBody, "inline float2 POM( TEXTURE2D_ARRAY_PARAM(heightMap,samplerheightMap), float2 uvs, float2 dx, float2 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )" );
|
||
|
|
else
|
||
|
|
IOUtils.AddFunctionHeader( ref m_functionBody, "inline float2 POM( UNITY_ARGS_TEX2DARRAY(heightMap), float2 uvs, float2 dx, float2 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )" );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float3 result = 0;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "int stepIndex = 0;" );
|
||
|
|
//IOUtils.AddFunctionLine( ref m_functionBody, "int numSteps = ( int )( minSamples + dot( viewWorld, normalWorld ) * ( maxSamples - minSamples ) );" );
|
||
|
|
//IOUtils.AddFunctionLine( ref m_functionBody, "int numSteps = ( int )lerp( maxSamples, minSamples, length( fwidth( uvs ) ) * 10 );" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "int numSteps = ( int )lerp( (float)maxSamples, (float)minSamples, saturate( dot( normalWorld, viewWorld ) ) );" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float layerHeight = 1.0 / numSteps;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float2 plane = parallax * ( viewDirTan.xy / viewDirTan.z );" );
|
||
|
|
|
||
|
|
switch( m_pomTexType )
|
||
|
|
{
|
||
|
|
default:
|
||
|
|
case POMTexTypes.Texture2D:
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "uvs += refPlane * plane;" );
|
||
|
|
break;
|
||
|
|
case POMTexTypes.Texture3D:
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "uvs.xy += refPlane * plane;" );
|
||
|
|
break;
|
||
|
|
case POMTexTypes.TextureArray:
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "uvs += refPlane * plane;" );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float2 deltaTex = -plane * layerHeight;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float2 prevTexOffset = 0;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float prevRayZ = 1.0f;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float prevHeight = 0.0f;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float2 currTexOffset = deltaTex;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float currRayZ = 1.0f - layerHeight;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float currHeight = 0.0f;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float intersection = 0;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float2 finalTexOffset = 0;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "while ( stepIndex < numSteps + 1 )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "{" );
|
||
|
|
if( m_useCurvature )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " result.z = dot( curv, currTexOffset * currTexOffset );" );
|
||
|
|
|
||
|
|
|
||
|
|
switch( m_pomTexType )
|
||
|
|
{
|
||
|
|
default:
|
||
|
|
case POMTexTypes.Texture2D:
|
||
|
|
{
|
||
|
|
if( sampleThroughMacros )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = SAMPLE_TEXTURE2D_GRAD( heightMap, samplerheightMap, uvs + currTexOffset, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + " * ( 1 - result.z );" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = tex2Dgrad( heightMap, uvs + currTexOffset, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + " * ( 1 - result.z );" );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case POMTexTypes.Texture3D:
|
||
|
|
{
|
||
|
|
if( sampleThroughMacros )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = SAMPLE_TEXTURE2D_GRAD( heightMap, samplerheightMap, uvs + float3(currTexOffset,0), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + " * ( 1 - result.z );" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = tex3Dgrad( heightMap, uvs + float3(currTexOffset,0), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + " * ( 1 - result.z );" );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case POMTexTypes.TextureArray:
|
||
|
|
if( UIUtils.CurrentWindow.OutsideGraph.IsSRP )
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = SAMPLE_TEXTURE2D_ARRAY_GRAD( heightMap,samplerheightMap, uvs + currTexOffset,index, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + " * ( 1 - result.z );" );
|
||
|
|
else
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = ASE_SAMPLE_TEX2DARRAY_GRAD( heightMap, float3(uvs + currTexOffset,index), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + " * ( 1 - result.z );" );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
switch( m_pomTexType )
|
||
|
|
{
|
||
|
|
default:
|
||
|
|
case POMTexTypes.Texture2D:
|
||
|
|
{
|
||
|
|
if( sampleThroughMacros )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = SAMPLE_TEXTURE2D_GRAD( heightMap,samplerheightMap, uvs + currTexOffset, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = tex2Dgrad( heightMap, uvs + currTexOffset, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case POMTexTypes.Texture3D:
|
||
|
|
{
|
||
|
|
if( sampleThroughMacros )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = SAMPLE_TEXTURE2D_GRAD( heightMap, samplerheightMap, uvs + float3(currTexOffset,0), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = tex3Dgrad( heightMap, uvs + float3(currTexOffset,0), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case POMTexTypes.TextureArray:
|
||
|
|
if( UIUtils.CurrentWindow.OutsideGraph.IsSRP )
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = SAMPLE_TEXTURE2D_ARRAY_GRAD( heightMap, samplerheightMap, uvs + currTexOffset,index, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
else
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = ASE_SAMPLE_TEX2DARRAY_GRAD( heightMap, float3(uvs + currTexOffset,index), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " if ( currHeight > currRayZ )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " {" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " stepIndex = numSteps + 1;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " }" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " else" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " {" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " stepIndex++;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " prevTexOffset = currTexOffset;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " prevRayZ = currRayZ;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " prevHeight = currHeight;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currTexOffset += deltaTex;" );
|
||
|
|
if ( m_useCurvature )
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currRayZ -= layerHeight * ( 1 - result.z ) * (1+_CurvFix);" );
|
||
|
|
else
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currRayZ -= layerHeight;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " }" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "}" );
|
||
|
|
|
||
|
|
if ( m_sidewallSteps > 0 )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "int sectionSteps = " + m_sidewallSteps + ";" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "int sectionIndex = 0;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float newZ = 0;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "float newHeight = 0;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "while ( sectionIndex < sectionSteps )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "{" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " intersection = ( prevHeight - prevRayZ ) / ( prevHeight - currHeight + currRayZ - prevRayZ );" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " finalTexOffset = prevTexOffset + intersection * deltaTex;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " newZ = prevRayZ - intersection * layerHeight;" );
|
||
|
|
|
||
|
|
switch( m_pomTexType )
|
||
|
|
{
|
||
|
|
default:
|
||
|
|
case POMTexTypes.Texture2D:
|
||
|
|
{
|
||
|
|
if( sampleThroughMacros )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " newHeight = SAMPLE_TEXTURE2D_GRAD( heightMap, samplerheightMap, uvs + finalTexOffset, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " newHeight = tex2Dgrad( heightMap, uvs + finalTexOffset, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case POMTexTypes.Texture3D:
|
||
|
|
{
|
||
|
|
if( sampleThroughMacros )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " newHeight = SAMPLE_TEXTURE2D_GRAD( heightMap, samplerheightMap, uvs + float3(finalTexOffset,0), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " newHeight = tex3Dgrad( heightMap, uvs + float3(finalTexOffset,0), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case POMTexTypes.TextureArray:
|
||
|
|
if( UIUtils.CurrentWindow.OutsideGraph.IsSRP )
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " newHeight = SAMPLE_TEXTURE2D_ARRAY_GRAD( heightMap, samplerheightMap, uvs + finalTexOffset,index, dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
else
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " newHeight = ASE_SAMPLE_TEX2DARRAY_GRAD( heightMap, float3(uvs + finalTexOffset,index), dx, dy )." + m_channelTypeVal[ m_selectedChannelInt ] + ";" );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " if ( newHeight > newZ )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " {" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currTexOffset = finalTexOffset;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currHeight = newHeight;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " currRayZ = newZ;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " deltaTex = intersection * deltaTex;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " layerHeight = intersection * layerHeight;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " }" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " else" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " {" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " prevTexOffset = finalTexOffset;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " prevHeight = newHeight;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " prevRayZ = newZ;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " deltaTex = ( 1 - intersection ) * deltaTex;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " layerHeight = ( 1 - intersection ) * layerHeight;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " }" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " sectionIndex++;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "}" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "finalTexOffset = currTexOffset;" );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( m_useCurvature )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "#ifdef UNITY_PASS_SHADOWCASTER" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "if ( unity_LightShadowBias.z == 0.0 )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "{" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "#endif" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " if ( result.z > 1 )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " clip( -1 );" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "#ifdef UNITY_PASS_SHADOWCASTER" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "}" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "#endif" );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( m_clipEnds )
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "result.xy = uvs + finalTexOffset;" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "#ifdef UNITY_PASS_SHADOWCASTER" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "if ( unity_LightShadowBias.z == 0.0 )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "{" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "#endif" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " if ( result.x < 0 )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " clip( -1 );" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " if ( result.x > tilling.x )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " clip( -1 );" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " if ( result.y < 0 )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " clip( -1 );" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " if ( result.y > tilling.y )" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, " clip( -1 );" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "#ifdef UNITY_PASS_SHADOWCASTER" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "}" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "#endif" );
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "return result.xy;" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IOUtils.AddFunctionLine( ref m_functionBody, "return uvs + finalTexOffset;" );
|
||
|
|
}
|
||
|
|
IOUtils.CloseFunctionBody( ref m_functionBody );
|
||
|
|
}
|
||
|
|
|
||
|
|
public override void ReadFromString( ref string[] nodeParams )
|
||
|
|
{
|
||
|
|
base.ReadFromString( ref nodeParams );
|
||
|
|
m_selectedChannelInt = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
|
||
|
|
//m_minSamples = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
|
||
|
|
//m_maxSamples = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
|
||
|
|
if( UIUtils.CurrentShaderVersion() < 15406 )
|
||
|
|
{
|
||
|
|
m_inlineMinSamples.IntValue = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
|
||
|
|
m_inlineMaxSamples.IntValue = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_inlineMinSamples.ReadFromString( ref m_currentReadParamIdx, ref nodeParams );
|
||
|
|
m_inlineMaxSamples.ReadFromString( ref m_currentReadParamIdx, ref nodeParams );
|
||
|
|
}
|
||
|
|
m_sidewallSteps = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
|
||
|
|
m_defaultScale = Convert.ToSingle( GetCurrentParam( ref nodeParams ) );
|
||
|
|
m_defaultRefPlane = Convert.ToSingle( GetCurrentParam( ref nodeParams ) );
|
||
|
|
if ( UIUtils.CurrentShaderVersion() > 3001 )
|
||
|
|
{
|
||
|
|
m_clipEnds = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
|
||
|
|
string[] vector2Component = GetCurrentParam( ref nodeParams ).Split( IOUtils.VECTOR_SEPARATOR );
|
||
|
|
if ( vector2Component.Length == 2 )
|
||
|
|
{
|
||
|
|
m_tilling.x = Convert.ToSingle( vector2Component[ 0 ] );
|
||
|
|
m_tilling.y = Convert.ToSingle( vector2Component[ 1 ] );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( UIUtils.CurrentShaderVersion() > 5005 )
|
||
|
|
{
|
||
|
|
m_useCurvature = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
|
||
|
|
m_CurvatureVector = IOUtils.StringToVector2( GetCurrentParam( ref nodeParams ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( UIUtils.CurrentShaderVersion() > 13103 )
|
||
|
|
{
|
||
|
|
if( UIUtils.CurrentShaderVersion() < 15307 )
|
||
|
|
{
|
||
|
|
bool arrayIndexVisible = false;
|
||
|
|
arrayIndexVisible = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
|
||
|
|
m_pomTexType = arrayIndexVisible ? POMTexTypes.TextureArray : POMTexTypes.Texture2D;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_pomTexType = (POMTexTypes)Enum.Parse( typeof(POMTexTypes), GetCurrentParam( ref nodeParams ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
UpdateIndexPort();
|
||
|
|
}
|
||
|
|
|
||
|
|
UpdateSampler();
|
||
|
|
GeneratePOMfunction();
|
||
|
|
UpdateCurvaturePort();
|
||
|
|
}
|
||
|
|
|
||
|
|
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
|
||
|
|
{
|
||
|
|
base.WriteToString( ref nodeInfo, ref connectionsInfo );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, m_selectedChannelInt );
|
||
|
|
//IOUtils.AddFieldValueToString( ref nodeInfo, m_minSamples );
|
||
|
|
//IOUtils.AddFieldValueToString( ref nodeInfo, m_maxSamples );
|
||
|
|
m_inlineMinSamples.WriteToString( ref nodeInfo );
|
||
|
|
m_inlineMaxSamples.WriteToString( ref nodeInfo );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, m_sidewallSteps );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, m_defaultScale );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, m_defaultRefPlane );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, m_clipEnds );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, m_tilling.x.ToString() + IOUtils.VECTOR_SEPARATOR + m_tilling.y.ToString() );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, m_useCurvature );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, IOUtils.Vector2ToString( m_CurvatureVector ) );
|
||
|
|
//IOUtils.AddFieldValueToString( ref nodeInfo, m_useTextureArray );
|
||
|
|
IOUtils.AddFieldValueToString( ref nodeInfo, m_pomTexType);
|
||
|
|
}
|
||
|
|
|
||
|
|
public override void Destroy()
|
||
|
|
{
|
||
|
|
base.Destroy();
|
||
|
|
//Not calling m_texCoordsHelper.Destroy() on purpose so UIUtils does not incorrectly unregister stuff
|
||
|
|
if( m_texCoordsHelper != null )
|
||
|
|
{
|
||
|
|
DestroyImmediate( m_texCoordsHelper );
|
||
|
|
m_texCoordsHelper = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
m_uvPort = null;
|
||
|
|
m_texPort = null;
|
||
|
|
m_scalePort = null;
|
||
|
|
m_viewdirTanPort = null;
|
||
|
|
m_pomUVPort = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|