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- using System;
- using UnityEngine;
- using UnityEditor;
-
- namespace AmplifyShaderEditor
- {
-
- [Serializable]
- public class StencilBufferOpHelper
- {
- public static readonly string[] StencilComparisonValues =
- {
- "<Default>",
- "Greater" ,
- "GEqual" ,
- "Less" ,
- "LEqual" ,
- "Equal" ,
- "NotEqual" ,
- "Always" ,
- "Never"
- };
-
- 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 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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