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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
{
[Serializable]
public class AdditionalPragmasHelper
{
private const string AdditionalPragmasStr = " Additional Pragmas";
private const float ShaderKeywordButtonLayoutWidth = 15;
private ParentNode m_currentOwner;
[SerializeField]
private List<string> m_additionalPragmas = new List<string>();
public List<string> PragmaList { get { return m_additionalPragmas; } set { m_additionalPragmas = value; } }
[SerializeField]
private List<string> m_outsidePragmas = new List<string>();
public List<string> OutsideList { get { return m_outsidePragmas; } set { m_outsidePragmas = value; } }
public void Draw( ParentNode owner )
{
m_currentOwner = owner;
bool value = owner.ContainerGraph.ParentWindow.InnerWindowVariables.ExpandedAdditionalPragmas;
NodeUtils.DrawPropertyGroup( ref value, AdditionalPragmasStr, DrawMainBody, DrawButtons );
owner.ContainerGraph.ParentWindow.InnerWindowVariables.ExpandedAdditionalPragmas = value;
}
void DrawButtons()
{
EditorGUILayout.Separator();
// Add keyword
if( GUILayout.Button( string.Empty, UIUtils.PlusStyle, GUILayout.Width( ShaderKeywordButtonLayoutWidth ) ) )
{
m_additionalPragmas.Add( string.Empty );
EditorGUI.FocusTextInControl( null );
}
//Remove keyword
if( GUILayout.Button( string.Empty, UIUtils.MinusStyle, GUILayout.Width( ShaderKeywordButtonLayoutWidth ) ) )
{
if( m_additionalPragmas.Count > 0 )
{
m_additionalPragmas.RemoveAt( m_additionalPragmas.Count - 1 );
EditorGUI.FocusTextInControl( null );
}
}
}
void DrawMainBody()
{
EditorGUILayout.Separator();
int itemCount = m_additionalPragmas.Count;
int markedToDelete = -1;
for( int i = 0; i < itemCount; i++ )
{
EditorGUILayout.BeginHorizontal();
{
EditorGUI.BeginChangeCheck();
m_additionalPragmas[ i ] = EditorGUILayout.TextField( m_additionalPragmas[ i ] );
if( EditorGUI.EndChangeCheck() )
{
m_additionalPragmas[ i ] = UIUtils.RemoveShaderInvalidCharacters( m_additionalPragmas[ i ] );
}
// Add new port
if( m_currentOwner.GUILayoutButton( string.Empty, UIUtils.PlusStyle, GUILayout.Width( ShaderKeywordButtonLayoutWidth ) ) )
{
m_additionalPragmas.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();
}
if( markedToDelete > -1 )
{
if( m_additionalPragmas.Count > markedToDelete )
{
m_additionalPragmas.RemoveAt( markedToDelete );
EditorGUI.FocusTextInControl( null );
}
}
EditorGUILayout.Separator();
EditorGUILayout.HelpBox( "Please add your pragmas without the #pragma keywords", MessageType.Info );
}
public void ReadFromString( ref uint index, ref string[] nodeParams )
{
int count = Convert.ToInt32( nodeParams[ index++ ] );
for( int i = 0; i < count; i++ )
{
m_additionalPragmas.Add( nodeParams[ index++ ] );
}
}
public void WriteToString( ref string nodeInfo )
{
IOUtils.AddFieldValueToString( ref nodeInfo, m_additionalPragmas.Count );
for( int i = 0; i < m_additionalPragmas.Count; i++ )
{
IOUtils.AddFieldValueToString( ref nodeInfo, m_additionalPragmas[ i ] );
}
}
public void AddToDataCollector( ref MasterNodeDataCollector dataCollector )
{
for( int i = 0; i < m_additionalPragmas.Count; i++ )
{
if( !string.IsNullOrEmpty( m_additionalPragmas[ i ] ) )
dataCollector.AddToPragmas( -1, m_additionalPragmas[ i ] );
}
for( int i = 0; i < m_outsidePragmas.Count; i++ )
{
if( !string.IsNullOrEmpty( m_outsidePragmas[ i ] ) )
dataCollector.AddToPragmas( -1, m_outsidePragmas[ i ] );
}
}
public void Destroy()
{
m_additionalPragmas.Clear();
m_additionalPragmas = null;
m_currentOwner = null;
}
}
}
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