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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
namespace AmplifyShaderEditor
{
public enum InlineSamplerFilteringMode
{
Point,
Linear,
Trilinear
};
public enum InlineSamplerWrapMode
{
Clamp,
Repeat,
Mirror,
MirrorOnce
};
public enum InlineSamplerWrapCoordinates
{
All,
U,
V,
W
};
[Serializable]
public class InlineSamplerWrapOptions
{
public InlineSamplerWrapMode WrapMode = InlineSamplerWrapMode.Clamp;
public InlineSamplerWrapCoordinates Coordinates = InlineSamplerWrapCoordinates.All;
public string InlineValue
{
get
{
string name = "_"+WrapMode.ToString();
if( Coordinates != InlineSamplerWrapCoordinates.All )
name += Coordinates.ToString();
name += "_";
return name;
}
}
}
[Serializable]
public class SamplerStateAutoGenerator
{
private const int MaxCount = 3;
private const float ButtonLayoutWidth = 15;
private const string AdditionalWrapsStr = "Additional Wraps";
private const string InlineSamplerStateStr = "Inline Sampler State";
[SerializeField]
private InlineSamplerFilteringMode m_filterMode = InlineSamplerFilteringMode.Point;
[SerializeField]
private InlineSamplerWrapOptions m_mainWrapMode = new InlineSamplerWrapOptions();
[SerializeField]
private List<InlineSamplerWrapOptions> m_additionalWrapOptions = new List<InlineSamplerWrapOptions>();
[SerializeField]
private bool m_visibleWrapsFoldout = false;
[SerializeField]
private bool m_visibleMainFoldout = false;
[NonSerialized]
private UndoParentNode m_owner;
public void Destroy()
{
m_mainWrapMode = null;
m_additionalWrapOptions.Clear();
m_additionalWrapOptions = null;
}
public string AddToDataCollector( ref MasterNodeDataCollector dataCollector )
{
string inlineSampler = "sampler_";
inlineSampler += m_filterMode.ToString();
inlineSampler += m_mainWrapMode.InlineValue;
int count = m_additionalWrapOptions.Count;
for( int i = 0; i < count; i++ )
{
inlineSampler += m_additionalWrapOptions[ i ].InlineValue;
}
return inlineSampler;
}
void DrawAddRemoveButtons()
{
int count = m_additionalWrapOptions.Count;
if( count < MaxCount && m_owner.GUILayoutButton( string.Empty, UIUtils.PlusStyle, GUILayout.Width( ButtonLayoutWidth ) ) )
{
m_additionalWrapOptions.Add( new InlineSamplerWrapOptions() );
EditorGUI.FocusTextInControl( null );
}
if( count > 0 && m_owner.GUILayoutButton( string.Empty, UIUtils.MinusStyle, GUILayout.Width( ButtonLayoutWidth ) ) )
{
m_additionalWrapOptions.RemoveAt( count - 1 );
EditorGUI.FocusTextInControl( null );
}
}
public void Draw( UndoParentNode owner )
{
m_owner = owner;
NodeUtils.DrawNestedPropertyGroup( ref m_visibleMainFoldout, InlineSamplerStateStr, DrawMain );
}
void DrawMain()
{
m_filterMode = (InlineSamplerFilteringMode)m_owner.EditorGUILayoutEnumPopup( m_filterMode );
EditorGUILayout.BeginHorizontal();
m_mainWrapMode.WrapMode = (InlineSamplerWrapMode)m_owner.EditorGUILayoutEnumPopup( m_mainWrapMode.WrapMode );
m_mainWrapMode.Coordinates = (InlineSamplerWrapCoordinates)m_owner.EditorGUILayoutEnumPopup( m_mainWrapMode.Coordinates );
EditorGUILayout.EndHorizontal();
NodeUtils.DrawNestedPropertyGroup( ref m_visibleWrapsFoldout, AdditionalWrapsStr, DrawAdditionalWrapModes, DrawAddRemoveButtons );
}
void DrawAdditionalWrapModes()
{
EditorGUILayout.Space();
int count = m_additionalWrapOptions.Count;
for( int i = 0; i < count; i++ )
{
float maxWidth = 90;
EditorGUILayout.BeginHorizontal();
m_additionalWrapOptions[ i ].WrapMode = (InlineSamplerWrapMode)m_owner.EditorGUILayoutEnumPopup( m_additionalWrapOptions[ i ].WrapMode ,GUILayout.MaxWidth( maxWidth ) );
m_additionalWrapOptions[ i ].Coordinates = (InlineSamplerWrapCoordinates)m_owner.EditorGUILayoutEnumPopup( m_additionalWrapOptions[ i ].Coordinates, GUILayout.MaxWidth( maxWidth ) );
EditorGUILayout.EndHorizontal();
}
}
public void ReadFromString( ref uint index, ref string[] nodeParams )
{
#if UNITY_2019_3_OR_NEWER
Enum.TryParse<InlineSamplerFilteringMode>( nodeParams[ index++ ], out m_filterMode );
Enum.TryParse<InlineSamplerWrapCoordinates>( nodeParams[ index++ ], out m_mainWrapMode.Coordinates );
int count = 0;
int.TryParse( nodeParams[ index++ ], out count );
for( int i = 0; i < count; i++ )
{
InlineSamplerWrapOptions option = new InlineSamplerWrapOptions();
Enum.TryParse<InlineSamplerWrapMode>( nodeParams[ index++ ], out option.WrapMode );
Enum.TryParse<InlineSamplerWrapCoordinates>( nodeParams[ index++ ], out option.Coordinates );
m_additionalWrapOptions.Add( option );
}
#else
m_filterMode =(InlineSamplerFilteringMode) Enum.Parse( typeof( InlineSamplerFilteringMode ), nodeParams[ index++ ] );
m_mainWrapMode.Coordinates = (InlineSamplerWrapCoordinates)Enum.Parse( typeof( InlineSamplerWrapCoordinates ),nodeParams[ index++ ] );
int count = 0;
int.TryParse( nodeParams[ index++ ], out count );
for( int i = 0; i < count; i++ )
{
InlineSamplerWrapOptions option = new InlineSamplerWrapOptions();
option.WrapMode = ( InlineSamplerWrapMode)Enum.Parse(typeof( InlineSamplerWrapMode ), nodeParams[ index++ ] );
option.Coordinates = ( InlineSamplerWrapCoordinates)Enum.Parse(typeof( InlineSamplerWrapCoordinates ), nodeParams[ index++ ] );
m_additionalWrapOptions.Add( option );
}
#endif
}
public void WriteToString( ref string nodeInfo )
{
IOUtils.AddFieldValueToString( ref nodeInfo, m_filterMode );
IOUtils.AddFieldValueToString( ref nodeInfo, m_mainWrapMode.WrapMode );
IOUtils.AddFieldValueToString( ref nodeInfo, m_mainWrapMode.Coordinates );
int count = m_additionalWrapOptions.Count;
IOUtils.AddFieldValueToString( ref nodeInfo, count );
if( count > 0 )
{
for( int i = 0; i < count; i++ )
{
IOUtils.AddFieldValueToString( ref nodeInfo, m_additionalWrapOptions[i].WrapMode );
IOUtils.AddFieldValueToString( ref nodeInfo, m_additionalWrapOptions[i].Coordinates );
}
}
}
}
}
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