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using System.IO; |
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using System.Linq; |
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using UnityEditor; |
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using UnityEditor.SceneManagement; |
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using UnityEngine; |
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using UnityEngine.SceneManagement; |
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[CustomEditor(typeof(GameSceneSO), true)] |
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public class GameSceneSOEditor : Editor |
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{ |
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private const string NO_SCENES_WARNING = "There is no Scene associated to this location yet. Add a new scene with the dropdown below"; |
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private GUIStyle _headerLabelStyle; |
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private static readonly string[] _excludedProperties = { "m_Script", "sceneName" }; //m_script is a reference to the script being edited but it'll result an editable object field.
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private string[] _sceneList; |
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private GameSceneSO _gameSceneInspected; |
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private void OnEnable() |
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{ |
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_gameSceneInspected = target as GameSceneSO; |
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PopulateScenePicker(); |
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InitializeGuiStyles(); |
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} |
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public override void OnInspectorGUI() |
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{ |
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//Make GUI not editable.
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GUI.enabled = false; |
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//Draw reference information about script being edited.
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EditorGUILayout.ObjectField("Script", MonoScript.FromScriptableObject((GameSceneSO)target), typeof(GameSceneSO), false); |
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//Make GUI editable.
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GUI.enabled = true; |
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serializedObject.Update(); |
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EditorGUILayout.LabelField("Scene information", _headerLabelStyle); |
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EditorGUILayout.Space(); |
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DrawScenePicker(); |
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DrawPropertiesExcluding(serializedObject, _excludedProperties); |
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serializedObject.ApplyModifiedProperties(); |
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} |
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private void DrawScenePicker() |
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{ |
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var sceneName = _gameSceneInspected.sceneName; |
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EditorGUI.BeginChangeCheck(); |
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var selectedScene = _sceneList.ToList().IndexOf(sceneName); |
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if (selectedScene < 0) |
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{ |
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EditorGUILayout.HelpBox(NO_SCENES_WARNING, MessageType.Warning); |
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} |
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selectedScene = EditorGUILayout.Popup("Scene", selectedScene, _sceneList); |
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if (EditorGUI.EndChangeCheck()) |
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{ |
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Undo.RecordObject(target, "Changed selected scene"); |
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_gameSceneInspected.sceneName = _sceneList[selectedScene]; |
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MarkAllDirty(); |
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} |
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} |
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private void InitializeGuiStyles() |
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{ |
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_headerLabelStyle = new GUIStyle(EditorStyles.largeLabel) |
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{ |
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fontStyle = FontStyle.Bold, |
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fontSize = 18, |
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fixedHeight = 70.0f |
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}; |
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} |
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/// <summary>
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/// Populates the Scene picker with Scenes included in the game's build index
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/// </summary>
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private void PopulateScenePicker() |
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{ |
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var sceneCount = SceneManager.sceneCountInBuildSettings; |
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_sceneList = new string[sceneCount]; |
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for (int i = 0; i < sceneCount; i++) |
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{ |
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_sceneList[i] = Path.GetFileNameWithoutExtension(SceneUtility.GetScenePathByBuildIndex(i)); |
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} |
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} |
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/// <summary>
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/// Marks scenes as dirty so data can be saved
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/// </summary>
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private void MarkAllDirty() |
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{ |
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EditorUtility.SetDirty(target); |
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EditorSceneManager.MarkAllScenesDirty(); |
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} |
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} |
GitHub
4 年前