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using System;
using UnityEngine;
using UnityEditor;
using System.Collections.Generic;
namespace AmplifyShaderEditor
{
[Serializable]
public class AdditionalSurfaceOptionsHelper
{
private const string AdditionalOptionsStr = " Additional Surface Options";
private const float ShaderKeywordButtonLayoutWidth = 15;
private ParentNode m_currentOwner;
[SerializeField]
private List<string> m_availableOptions = new List<string>();
public void Draw( ParentNode owner )
{
m_currentOwner = owner;
bool value = owner.ContainerGraph.ParentWindow.InnerWindowVariables.ExpandedAdditionalSurfaceOptions;
NodeUtils.DrawPropertyGroup( ref value, AdditionalOptionsStr, DrawMainBody, DrawButtons );
owner.ContainerGraph.ParentWindow.InnerWindowVariables.ExpandedAdditionalSurfaceOptions = value;
}
void DrawButtons()
{
EditorGUILayout.Separator();
// Add tag
if( GUILayout.Button( string.Empty, UIUtils.PlusStyle, GUILayout.Width( ShaderKeywordButtonLayoutWidth ) ) )
{
m_availableOptions.Add( string.Empty );
EditorGUI.FocusTextInControl( null );
}
//Remove tag
if( GUILayout.Button( string.Empty, UIUtils.MinusStyle, GUILayout.Width( ShaderKeywordButtonLayoutWidth ) ) )
{
if( m_availableOptions.Count > 0 )
{
m_availableOptions.RemoveAt( m_availableOptions.Count - 1 );
EditorGUI.FocusTextInControl( null );
}
}
}
void DrawMainBody()
{
EditorGUILayout.Separator();
int itemCount = m_availableOptions.Count;
if( itemCount == 0 )
{
EditorGUILayout.HelpBox( "Your list is Empty!\nUse the plus button to add one.", MessageType.Info );
}
int markedToDelete = -1;
float originalLabelWidth = EditorGUIUtility.labelWidth;
for( int i = 0; i < itemCount; i++ )
{
EditorGUI.indentLevel += 1;
EditorGUIUtility.labelWidth = 62;
EditorGUILayout.BeginHorizontal();
//Option
EditorGUI.BeginChangeCheck();
m_availableOptions[ i ] = EditorGUILayout.TextField( "["+i+"] -", m_availableOptions[ i ] );
if( EditorGUI.EndChangeCheck() )
{
m_availableOptions[ i ] = UIUtils.RemoveShaderInvalidCharacters( m_availableOptions[ i ] );
}
EditorGUIUtility.labelWidth = originalLabelWidth;
{
// Add new port
if( m_currentOwner.GUILayoutButton( string.Empty, UIUtils.PlusStyle, GUILayout.Width( ShaderKeywordButtonLayoutWidth ) ) )
{
m_availableOptions.Insert( i + 1, string.Empty );
EditorGUI.FocusTextInControl( null );
}
//Remove port
if( m_currentOwner.GUILayoutButton( string.Empty, UIUtils.MinusStyle, GUILayout.Width( ShaderKeywordButtonLayoutWidth ) ) )
{
markedToDelete = i;
}
}
EditorGUILayout.EndHorizontal();
EditorGUI.indentLevel -= 1;
}
if( markedToDelete > -1 )
{
if( m_availableOptions.Count > markedToDelete )
{
m_availableOptions.RemoveAt( markedToDelete );
EditorGUI.FocusTextInControl( null );
}
}
EditorGUILayout.Separator();
}
public void ReadFromString( ref uint index, ref string[] nodeParams )
{
int count = Convert.ToInt32( nodeParams[ index++ ] );
for( int i = 0; i < count; i++ )
{
m_availableOptions.Add( nodeParams[ index++ ] );
}
}
public void WriteToString( ref string nodeInfo )
{
int optionsCount = m_availableOptions.Count;
IOUtils.AddFieldValueToString( ref nodeInfo, optionsCount );
for( int i = 0; i < optionsCount; i++ )
{
IOUtils.AddFieldValueToString( ref nodeInfo, m_availableOptions[ i ].ToString() );
}
}
public void WriteToOptionalSurfaceOptions( ref string currentOptions )
{
int tagsCount = m_availableOptions.Count;
if( tagsCount == 0 )
return;
string result = " ";
for( int i = 0; i < tagsCount; i++ )
{
result += m_availableOptions[ i ];
if( i < tagsCount - 1 )
{
result += " ";
}
}
currentOptions = currentOptions + result;
}
public void Destroy()
{
m_availableOptions.Clear();
m_availableOptions = null;
m_currentOwner = null;
}
}
}
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