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using UnityEngine;
using UnityEditor;
using System;
using System.Text.RegularExpressions;
using System.IO;
using System.Collections.Generic;
namespace AmplifyShaderEditor
{
[CustomEditor( typeof( AmplifyShaderFunction ) )]
public class AmplifyShaderFunctionEditor : Editor
{
class FunctionDependency
{
public string AssetName;
public string AssetPath;
public FunctionDependency(string name, string path)
{
AssetName = name;
AssetPath = path;
}
}
AmplifyShaderFunction m_target;
List<FunctionDependency> m_dependencies = new List<FunctionDependency>();
void OnEnable()
{
m_target = ( target as AmplifyShaderFunction );
}
public override void OnInspectorGUI()
{
//base.OnInspectorGUI();
//base.serializedObject.Update();
if( GUILayout.Button( "Open in Shader Editor" ) )
{
#if UNITY_2018_3_OR_NEWER
ASEPackageManagerHelper.SetupLateShaderFunction( m_target );
#else
AmplifyShaderEditorWindow.LoadShaderFunctionToASE( m_target, false );
#endif
}
//EditorGUILayout.Separator();
//m_target.FunctionInfo = EditorGUILayout.TextArea( m_target.FunctionInfo );
if( m_target.Description.Length > 0 )
{
EditorGUILayout.HelpBox( m_target.Description, MessageType.Info );
}
EditorGUILayout.Space();
if( GUILayout.Button( "Search Direct Dependencies" ) )
{
m_dependencies.Clear();
string guid = AssetDatabase.AssetPathToGUID( AssetDatabase.GetAssetPath( m_target ) );
string[] allSFs = AssetDatabase.FindAssets( "t:AmplifyShaderFunction", null );
foreach( string guid1 in allSFs )
{
string sfPath = AssetDatabase.GUIDToAssetPath( guid1 );
bool found = SearchForGUID( guid, sfPath );
if( found )
{
//string n = Regex.Replace( sfPath, @"(\.\w+|[\w\d\/]+\/)", "" );
string n = Regex.Replace( sfPath, @"[\w\d\/]+\/", "" );
m_dependencies.Add(new FunctionDependency( n, sfPath ) );
}
}
string[] allSHs = AssetDatabase.FindAssets( "t:Shader", null );
foreach( string guid1 in allSHs )
{
string shPath = AssetDatabase.GUIDToAssetPath( guid1 );
bool found = SearchForGUID( guid, shPath );
if( found )
{
string n = Regex.Replace( shPath, @"[\w\d\/]+\/", "" );
m_dependencies.Add( new FunctionDependency( n, shPath ) );
}
}
}
EditorGUILayout.Space();
for( int i = 0; i < m_dependencies.Count; i++ )
{
EditorGUILayout.BeginHorizontal();
if( GUILayout.Button( m_dependencies[ i ].AssetName, "minibuttonleft" ) )
{
SelectAtPath( m_dependencies[ i ].AssetPath );
}
if( GUILayout.Button( "edit", "minibuttonright", GUILayout.Width(100) ) )
{
if( m_dependencies[ i ].AssetName.EndsWith( ".asset" ) )
{
var obj = AssetDatabase.LoadAssetAtPath<AmplifyShaderFunction>( m_dependencies[ i ].AssetPath );
AmplifyShaderEditorWindow.LoadShaderFunctionToASE( obj, false );
}
else
{
var obj = AssetDatabase.LoadAssetAtPath<Shader>( m_dependencies[ i ].AssetPath );
AmplifyShaderEditorWindow.ConvertShaderToASE( obj );
}
}
EditorGUILayout.EndHorizontal();
}
}
public void SelectAtPath( string path )
{
var obj = AssetDatabase.LoadAssetAtPath<UnityEngine.Object>( path );
EditorGUIUtility.PingObject( obj );
}
public static bool SearchForGUID( string guid, string pathName )
{
bool result = false;
int count = 0;
if( !string.IsNullOrEmpty( pathName ) && File.Exists( pathName ) )
{
StreamReader fileReader = null;
try
{
fileReader = new StreamReader( pathName );
string line;
int index = -1;
while( ( line = fileReader.ReadLine() ) != null )
{
index = line.IndexOf( guid );
count++;
if( index > -1 )
{
result = true;
break;
}
}
}
catch( Exception e )
{
Debug.LogException( e );
}
finally
{
if( fileReader != null )
fileReader.Close();
}
}
return result;
}
}
}
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