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CrowdControl/Assets/3rd/StompyRobot/SRF/Scripts/Helpers/Hierarchy.cs

74 lines
2.1 KiB
C#

namespace SRF
{
using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
public class Hierarchy
{
private static readonly char[] Seperator = {'/'};
private static readonly Dictionary<string, Transform> Cache = new Dictionary<string, Transform>();
[Obsolete("Use static Get() instead")]
public Transform this[string key]
{
get { return Get(key); }
}
/// <summary>
/// Pass in a path (e.g. /Test/Me/One) and get a transform with the hierarchy Test->Me->One.
/// Any Transforms required below this path will be auto-created.
/// This is a very slow method, so use only on initialisation.
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static Transform Get(string key)
{
Transform t;
// Check cache
if (Cache.TryGetValue(key, out t))
{
return t;
}
var find = GameObject.Find(key);
if (find)
{
t = find.transform;
Cache.Add(key, t);
return t;
}
// Find container parent
var elements = key.Split(Seperator, StringSplitOptions.RemoveEmptyEntries);
// Create new container
t = new GameObject(elements.Last()).transform;
Cache.Add(key, t);
// If root
if (elements.Length == 1)
{
return t;
}
t.parent = Get(string.Join("/", elements, 0, elements.Length - 1));
return t;
}
#if (!UNITY_2017 && !UNITY_2018 && !UNITY_2019) || UNITY_2019_3_OR_NEWER
[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
public static void RuntimeInitialize()
{
// To handle entering play mode without a domain reload, need to reset the state of the service manager.
Cache.Clear();
}
#endif
}
}