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using System;
using UnityEngine;
using UnityEditor;
using System.Collections.Generic;
namespace AmplifyShaderEditor
{
[Serializable]
public class StencilBufferOpHelper
{
public static readonly string[] StencilComparisonValues =
{
"<Default>",
"Greater" ,
"GEqual" ,
"Less" ,
"LEqual" ,
"Equal" ,
"NotEqual" ,
"Always" ,
"Never"
};
public static readonly Dictionary<string,int> StencilComparisonValuesDict = new Dictionary<string, int>()
{
{"Greater" , 1},
{"GEqual" , 2},
{"Less" , 3},
{"LEqual" , 4},
{"Equal" , 5},
{"NotEqual", 6},
{"Always" , 7},
{"Never" , 8},
};
public static readonly string[] StencilComparisonLabels =
{
"<Default>",
"Greater" ,
"Greater or Equal" ,
"Less" ,
"Less or Equal" ,
"Equal" ,
"Not Equal" ,
"Always" ,
"Never"
};
public static readonly string[] StencilOpsValues =
{
"<Default>",
"Keep",
"Zero",
"Replace",
"IncrSat",
"DecrSat",
"Invert",
"IncrWrap",
"DecrWrap"
};
public static readonly Dictionary<string,int> StencilOpsValuesDict = new Dictionary<string, int>()
{
{"Keep", 1},
{"Zero", 2},
{"Replace", 3},
{"IncrSat", 4},
{"DecrSat", 5},
{"Invert", 6},
{"IncrWrap",7},
{"DecrWrap",8},
};
public static readonly string[] StencilOpsLabels =
{
"<Default>",
"Keep",
"Zero",
"Replace",
"IncrSat",
"DecrSat",
"Invert",
"IncrWrap",
"DecrWrap"
};
private const string FoldoutLabelStr = " Stencil Buffer";
private GUIContent ReferenceValueContent = new GUIContent( "Reference", "The value to be compared against (if Comparison is anything else than always) and/or the value to be written to the buffer (if either Pass, Fail or ZFail is set to replace)" );
private GUIContent ReadMaskContent = new GUIContent( "Read Mask", "An 8 bit mask as an 0-255 integer, used when comparing the reference value with the contents of the buffer (referenceValue & readMask) comparisonFunction (stencilBufferValue & readMask)" );
private GUIContent WriteMaskContent = new GUIContent( "Write Mask", "An 8 bit mask as an 0-255 integer, used when writing to the buffer" );
private const string ComparisonStr = "Comparison";
private const string PassStr = "Pass";
private const string FailStr = "Fail";
private const string ZFailStr = "ZFail";
private const string ComparisonFrontStr = "Comp. Front";
private const string PassFrontStr = "Pass Front";
private const string FailFrontStr = "Fail Front";
private const string ZFailFrontStr = "ZFail Front";
private const string ComparisonBackStr = "Comp. Back";
private const string PassBackStr = "Pass Back";
private const string FailBackStr = "Fail Back";
private const string ZFailBackStr = "ZFail Back";
private const int ReadMaskDefaultValue = 255;
private const int WriteMaskDefaultValue = 255;
private const int ComparisonDefaultValue = 0;
private const int PassStencilOpDefaultValue = 0;
private const int FailStencilOpDefaultValue = 0;
private const int ZFailStencilOpDefaultValue = 0;
[SerializeField]
private bool m_active;
[SerializeField]
private InlineProperty m_refValue = new InlineProperty();
[SerializeField]
private InlineProperty m_readMask = new InlineProperty( ReadMaskDefaultValue );
[SerializeField]
private InlineProperty m_writeMask = new InlineProperty( WriteMaskDefaultValue );
//Comparison Function
[SerializeField]
private InlineProperty m_comparisonFunctionIdx = new InlineProperty( ComparisonDefaultValue );
[SerializeField]
private InlineProperty m_comparisonFunctionBackIdx = new InlineProperty( ComparisonDefaultValue );
//Pass Stencil Op
[SerializeField]
private InlineProperty m_passStencilOpIdx = new InlineProperty( PassStencilOpDefaultValue );
[SerializeField]
private InlineProperty m_passStencilOpBackIdx = new InlineProperty( PassStencilOpDefaultValue );
//Fail Stencil Op
[SerializeField]
private InlineProperty m_failStencilOpIdx = new InlineProperty( FailStencilOpDefaultValue );
[SerializeField]
private InlineProperty m_failStencilOpBackIdx = new InlineProperty( FailStencilOpDefaultValue );
//ZFail Stencil Op
[SerializeField]
private InlineProperty m_zFailStencilOpIdx = new InlineProperty( ZFailStencilOpDefaultValue );
[SerializeField]
private InlineProperty m_zFailStencilOpBackIdx = new InlineProperty( ZFailStencilOpDefaultValue );
public string CreateStencilOp( UndoParentNode owner )
{
string result = "\t\tStencil\n\t\t{\n";
result += string.Format( "\t\t\tRef {0}\n", m_refValue.GetValueOrProperty() );
if( m_readMask.Active || m_readMask.IntValue != ReadMaskDefaultValue )
{
result += string.Format( "\t\t\tReadMask {0}\n", m_readMask.GetValueOrProperty() );
}
if( m_writeMask.Active || m_writeMask.IntValue != WriteMaskDefaultValue )
{
result += string.Format( "\t\t\tWriteMask {0}\n", m_writeMask.GetValueOrProperty() );
}
if( ( owner as StandardSurfaceOutputNode ).CurrentCullMode == CullMode.Off )
{
if( m_comparisonFunctionIdx.IntValue != ComparisonDefaultValue || m_comparisonFunctionIdx.Active )
result += string.Format( "\t\t\tCompFront {0}\n", m_comparisonFunctionIdx.GetValueOrProperty( StencilComparisonValues[ m_comparisonFunctionIdx.IntValue ] ) );
if( m_passStencilOpIdx.IntValue != PassStencilOpDefaultValue || m_passStencilOpIdx.Active )
result += string.Format( "\t\t\tPassFront {0}\n", m_passStencilOpIdx.GetValueOrProperty( StencilOpsValues[ m_passStencilOpIdx.IntValue ] ) );
if( m_failStencilOpIdx.IntValue != FailStencilOpDefaultValue || m_failStencilOpIdx.Active )
result += string.Format( "\t\t\tFailFront {0}\n", m_failStencilOpIdx.GetValueOrProperty( StencilOpsValues[ m_failStencilOpIdx.IntValue ] ) );
if( m_zFailStencilOpIdx.IntValue != ZFailStencilOpDefaultValue || m_zFailStencilOpIdx.Active )
result += string.Format( "\t\t\tZFailFront {0}\n", m_zFailStencilOpIdx.GetValueOrProperty( StencilOpsValues[ m_zFailStencilOpIdx.IntValue ] ) );
if( m_comparisonFunctionBackIdx.IntValue != ComparisonDefaultValue || m_comparisonFunctionBackIdx.Active )
result += string.Format( "\t\t\tCompBack {0}\n", m_comparisonFunctionBackIdx.GetValueOrProperty( StencilComparisonValues[ m_comparisonFunctionBackIdx.IntValue ] ) );
if( m_passStencilOpBackIdx.IntValue != PassStencilOpDefaultValue || m_passStencilOpBackIdx.Active )
result += string.Format( "\t\t\tPassBack {0}\n", m_passStencilOpBackIdx.GetValueOrProperty( StencilOpsValues[ m_passStencilOpBackIdx.IntValue ] ) );
if( m_failStencilOpBackIdx.IntValue != FailStencilOpDefaultValue || m_failStencilOpBackIdx.Active )
result += string.Format( "\t\t\tFailBack {0}\n", m_failStencilOpBackIdx.GetValueOrProperty( StencilOpsValues[ m_failStencilOpBackIdx.IntValue ] ) );
if( m_zFailStencilOpBackIdx.IntValue != ZFailStencilOpDefaultValue || m_zFailStencilOpBackIdx.Active )
result += string.Format( "\t\t\tZFailBack {0}\n", m_zFailStencilOpBackIdx.GetValueOrProperty( StencilOpsValues[ m_zFailStencilOpBackIdx.IntValue ] ) );
}
else
{
if( m_comparisonFunctionIdx.IntValue != ComparisonDefaultValue || m_comparisonFunctionIdx.Active )
result += string.Format( "\t\t\tComp {0}\n", m_comparisonFunctionIdx.GetValueOrProperty( StencilComparisonValues[ m_comparisonFunctionIdx.IntValue ] ) );
if( m_passStencilOpIdx.IntValue != PassStencilOpDefaultValue || m_passStencilOpIdx.Active )
result += string.Format( "\t\t\tPass {0}\n", m_passStencilOpIdx.GetValueOrProperty( StencilOpsValues[ m_passStencilOpIdx.IntValue ] ) );
if( m_failStencilOpIdx.IntValue != FailStencilOpDefaultValue || m_failStencilOpIdx.Active )
result += string.Format( "\t\t\tFail {0}\n", m_failStencilOpIdx.GetValueOrProperty( StencilOpsValues[ m_failStencilOpIdx.IntValue ] ) );
if( m_zFailStencilOpIdx.IntValue != ZFailStencilOpDefaultValue || m_zFailStencilOpIdx.Active )
result += string.Format( "\t\t\tZFail {0}\n", m_zFailStencilOpIdx.GetValueOrProperty( StencilOpsValues[ m_zFailStencilOpIdx.IntValue ] ) );
}
result += "\t\t}\n";
return result;
}
public void Draw( UndoParentNode owner )
{
bool foldoutValue = owner.ContainerGraph.ParentWindow.InnerWindowVariables.ExpandedStencilOptions;
NodeUtils.DrawPropertyGroup( owner, ref foldoutValue, ref m_active, FoldoutLabelStr, () =>
{
float cache = EditorGUIUtility.labelWidth;
float cache2 = EditorGUIUtility.fieldWidth;
EditorGUIUtility.labelWidth = 110;
EditorGUIUtility.fieldWidth = 30;
m_refValue.IntSlider( ref owner, ReferenceValueContent, 0, 255 );
m_readMask.IntSlider( ref owner, ReadMaskContent, 0, 255 );
m_writeMask.IntSlider( ref owner, WriteMaskContent, 0, 255 );
//EditorGUIUtility.labelWidth = cache;
EditorGUIUtility.fieldWidth = cache2;
if( ( owner as StandardSurfaceOutputNode ).CurrentCullMode == CullMode.Off )
{
m_comparisonFunctionIdx.EnumTypePopup( ref owner, ComparisonFrontStr, StencilComparisonLabels );
m_passStencilOpIdx.EnumTypePopup( ref owner, PassFrontStr, StencilOpsLabels );
m_failStencilOpIdx.EnumTypePopup( ref owner, FailFrontStr, StencilOpsLabels );
m_zFailStencilOpIdx.EnumTypePopup( ref owner, ZFailFrontStr, StencilOpsLabels );
EditorGUILayout.Separator();
m_comparisonFunctionBackIdx.EnumTypePopup( ref owner, ComparisonBackStr, StencilComparisonLabels );
m_passStencilOpBackIdx.EnumTypePopup( ref owner, PassBackStr, StencilOpsLabels );
m_failStencilOpBackIdx.EnumTypePopup( ref owner, FailBackStr, StencilOpsLabels );
m_zFailStencilOpBackIdx.EnumTypePopup( ref owner, ZFailBackStr, StencilOpsLabels );
}
else
{
m_comparisonFunctionIdx.EnumTypePopup( ref owner, ComparisonStr, StencilComparisonLabels );
m_passStencilOpIdx.EnumTypePopup( ref owner, PassFrontStr, StencilOpsLabels );
m_failStencilOpIdx.EnumTypePopup( ref owner, FailFrontStr, StencilOpsLabels );
m_zFailStencilOpIdx.EnumTypePopup( ref owner, ZFailFrontStr, StencilOpsLabels );
}
EditorGUIUtility.labelWidth = cache;
} );
owner.ContainerGraph.ParentWindow.InnerWindowVariables.ExpandedStencilOptions = foldoutValue;
}
public void ReadFromString( ref uint index, ref string[] nodeParams )
{
m_active = Convert.ToBoolean( nodeParams[ index++ ] );
if( UIUtils.CurrentShaderVersion() > 14501 )
{
m_refValue.ReadFromString( ref index, ref nodeParams );
m_readMask.ReadFromString( ref index, ref nodeParams );
m_writeMask.ReadFromString( ref index, ref nodeParams );
m_comparisonFunctionIdx.ReadFromString( ref index, ref nodeParams );
m_passStencilOpIdx.ReadFromString( ref index, ref nodeParams );
m_failStencilOpIdx.ReadFromString( ref index, ref nodeParams );
m_zFailStencilOpIdx.ReadFromString( ref index, ref nodeParams );
}
else
{
m_refValue.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_readMask.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_writeMask.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_comparisonFunctionIdx.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_passStencilOpIdx.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_failStencilOpIdx.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_zFailStencilOpIdx.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
}
if( UIUtils.CurrentShaderVersion() > 13203 )
{
if( UIUtils.CurrentShaderVersion() > 14501 )
{
m_comparisonFunctionBackIdx.ReadFromString( ref index, ref nodeParams );
m_passStencilOpBackIdx.ReadFromString( ref index, ref nodeParams );
m_failStencilOpBackIdx.ReadFromString( ref index, ref nodeParams );
m_zFailStencilOpBackIdx.ReadFromString( ref index, ref nodeParams );
}
else
{
m_comparisonFunctionBackIdx.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_passStencilOpBackIdx.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_failStencilOpBackIdx.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
m_zFailStencilOpBackIdx.IntValue = Convert.ToInt32( nodeParams[ index++ ] );
}
}
}
public void WriteToString( ref string nodeInfo )
{
IOUtils.AddFieldValueToString( ref nodeInfo, m_active );
m_refValue.WriteToString( ref nodeInfo );
m_readMask.WriteToString( ref nodeInfo );
m_writeMask.WriteToString( ref nodeInfo );
m_comparisonFunctionIdx.WriteToString( ref nodeInfo );
m_passStencilOpIdx.WriteToString( ref nodeInfo );
m_failStencilOpIdx.WriteToString( ref nodeInfo );
m_zFailStencilOpIdx.WriteToString( ref nodeInfo );
m_comparisonFunctionBackIdx.WriteToString( ref nodeInfo );
m_passStencilOpBackIdx.WriteToString( ref nodeInfo );
m_failStencilOpBackIdx.WriteToString( ref nodeInfo );
m_zFailStencilOpBackIdx.WriteToString( ref nodeInfo );
}
public bool Active
{
get { return m_active; }
set { m_active = value; }
}
}
}
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