99 lines
3.5 KiB
C#
99 lines
3.5 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace HotUpdate.UI
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{
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/// <summary>
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/// 竖屏 UI 页面栈：加载 Prefab、打开/关闭、按名查找。
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/// </summary>
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public sealed class UiManager : MonoBehaviour
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{
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public static UiManager Instance { get; private set; }
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readonly Dictionary<string, GameObject> _opened = new Dictionary<string, GameObject>(StringComparer.Ordinal);
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Transform _root;
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UiPrefabLoader _loader;
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public UiAtlasLoader Atlases { get; private set; }
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readonly HashSet<string> _loading = new HashSet<string>(StringComparer.Ordinal);
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public string Theme { get; private set; } = UiThemeCatalog.Candy;
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public void Init(Transform root, UiPrefabLoader loader, string theme = UiThemeCatalog.Candy)
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{
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Instance = this;
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_root = root;
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_loader = loader ?? new UiPrefabLoader();
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Atlases = GetComponent<UiAtlasLoader>();
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if (Atlases == null) Atlases = gameObject.AddComponent<UiAtlasLoader>();
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Atlases.Init(_loader.PreferredPackage);
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Theme = UiThemeCatalog.Normalize(theme);
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}
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public IEnumerator OpenAsync(string prefabName, Action<GameObject> onOpened, int siblingIndex = -1)
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{
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if (string.IsNullOrEmpty(prefabName)) { onOpened?.Invoke(null); yield break; }
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while (_loading.Contains(prefabName)) yield return null;
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if (_opened.TryGetValue(prefabName, out var existing) && existing != null)
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{
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existing.SetActive(true);
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onOpened?.Invoke(existing);
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yield break;
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}
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_loading.Add(prefabName);
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GameObject prefab = null;
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try
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{
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var assetName = UiThemeCatalog.Resolve(prefabName, Theme);
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yield return _loader.LoadAsync(assetName, loaded => prefab = loaded);
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if (prefab == null && assetName != prefabName)
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{
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Debug.LogWarning($"[UI] Missing {assetName}; falling back to {prefabName}. Include both themes in the resource package.");
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yield return _loader.LoadAsync(prefabName, loaded => prefab = loaded);
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}
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}
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finally { _loading.Remove(prefabName); }
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if (prefab == null)
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{
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Debug.LogError($"[UiManager] prefab not found: {prefabName}");
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onOpened?.Invoke(null);
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yield break;
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}
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var go = Instantiate(prefab, _root, false);
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go.name = prefabName;
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if (siblingIndex >= 0)
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go.transform.SetSiblingIndex(siblingIndex);
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_opened[prefabName] = go;
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yield return Atlases.WaitForPending();
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onOpened?.Invoke(go);
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}
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public void Close(string prefabName, bool destroy = false)
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{
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if (!_opened.TryGetValue(prefabName, out var go) || go == null)
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return;
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if (destroy)
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{
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Destroy(go);
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_opened.Remove(prefabName);
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}
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else go.SetActive(false);
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}
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public GameObject Get(string prefabName)
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{
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_opened.TryGetValue(prefabName, out var go);
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return go;
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}
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void OnDestroy()
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{
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StopAllCoroutines();
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_loader?.Dispose();
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if (Instance == this) Instance = null;
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}
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}
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}
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