forked from Shardstone/trail-into-darkness
77 lines
2.1 KiB
C#
77 lines
2.1 KiB
C#
// ----------------------------------------------------------------------------
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// Author: Anton
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// https://github.com/antontidev
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// ----------------------------------------------------------------------------
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using System;
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using System.Linq;
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using UnityEngine;
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namespace Jovian.InspectorTools
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{
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/// <summary>
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/// Used to pick scene from inspector.
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/// Consider to use <see cref="SceneReference"/> type instead as it is more flexible
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/// </summary>
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[AttributeUsage(AttributeTargets.Field)]
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public class SceneAttribute : PropertyAttribute
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{
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}
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}
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#if UNITY_EDITOR
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namespace Jovian.InspectorTools.Internal
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{
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using UnityEditor;
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[CustomPropertyDrawer(typeof(SceneAttribute))]
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public class SceneDrawer : PropertyDrawer
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{
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private SceneAttribute _attribute;
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private string[] _scenesInBuild;
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private int _index;
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private void Initialize(string initialValue)
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{
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if (_attribute != null) return;
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_attribute = (SceneAttribute)attribute;
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_scenesInBuild = new string[EditorBuildSettings.scenes.Length + 1];
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_index = 0;
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for (var i = 0; i < EditorBuildSettings.scenes.Length; i++)
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{
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var formatted = EditorBuildSettings.scenes[i].path.Split('/').Last().Replace(".unity", string.Empty);
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if (initialValue == formatted) _index = i + 1;
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formatted += $" [{i}]";
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_scenesInBuild[i + 1] = formatted;
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}
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var defaultValue = "NULL";
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if (initialValue.NotNullOrEmpty() && _index == 0) defaultValue = "NOT FOUND: " + initialValue;
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_scenesInBuild[0] = defaultValue;
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}
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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if (property.propertyType != SerializedPropertyType.String)
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{
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EditorGUI.LabelField(position, label.text, "Use [Scene] with strings.");
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return;
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}
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Initialize(property.stringValue);
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var newIndex = EditorGUI.Popup(position, label.text, _index, _scenesInBuild);
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if (newIndex != _index)
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{
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_index = newIndex;
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var value = _scenesInBuild[_index];
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property.stringValue = newIndex == 0 ? string.Empty : value.Substring(0, value.IndexOf('[') - 1);
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property.serializedObject.ApplyModifiedProperties();
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}
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}
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}
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}
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#endif |