/// <summary>
/// 从Atlas集合中加载Sprite对象
/// </summary>
/// <param name="spriteName">精灵图片名称</param>
/// <param name="atlasName">图集名称:Atlas/common/common-0</param>
/// <returns></returns>
public static Sprite LoadSpriteFromAtlasBundle(GameObject owener, string spriteName, string atlasName)
{
if (AppConst.AssetBundleMode)
{
return(AssetBundleManager.Instance.LoadSprite(owener, spriteName, atlasName));
}
#if UNITY_EDITOR
using (zstring.Block())
{
if (atlasName.Contains("-"))
{
Debug.LogErrorFormat("atlas name contains \'-\', please check your code: [sprite]{0}, [atlas]{1}", spriteName, atlasName);
}
zstring dir = Path.GetDirectoryName(atlasName);
zstring extension = Path.GetExtension(spriteName);
if (!zstring.IsNullOrEmpty(extension))
{
spriteName = spriteName.Replace(extension, "");
}
UIAtlasCache atlas = null;
if (!atlasMap.TryGetValue(dir, out atlas))
{
zstring rootDir = RuntimeAssetsRoot + dir;
string[] textureGuids = AssetDatabase.FindAssets("t:Texture", new string[] { rootDir });
List <Sprite> sprites = new List <Sprite>();
for (int i = 0; i < textureGuids.Length; i++)
{
zstring relativePath = AssetDatabase.GUIDToAssetPath(textureGuids[i]);
zstring childDir = Path.GetDirectoryName(relativePath);
if (!childDir.Equals(rootDir))
{
continue; //只遍历顶层目录
}
var assets = AssetDatabase.LoadAllAssetsAtPath(relativePath);
foreach (var asset in assets)
{
if (asset is Sprite)
{
sprites.Add(asset as Sprite);
}
}
}
atlas = new UIAtlasCache(sprites.ToArray());
atlasMap[dir] = atlas;
}
return(atlas.GetSprite(spriteName));
}
#endif
return(null);
}
public Sprite LoadSprite(GameObject owner, string spriteName, string atlasName)
{
using (zstring.Block())
{
zstring assetName = atlasName.ToLower();
zstring ext = Path.GetExtension(assetName);
if (!string.IsNullOrEmpty(ext))
{
assetName = assetName.Replace(ext, "");
}
string bundleRelativePath = assetName;
if (!assetbundleMap.TryGetValue(assetName, out bundleRelativePath))
{
Debug.LogWarning(zstring.Format("{0} has no assetbundle resource", assetName));
return(null);
}
UIAtlasCache atlasCache = null;
if (!atlasMap.TryGetValue(bundleRelativePath, out atlasCache))
{
AssetBundle bundle = TryGetBundleByFile(assetName);
if (bundle == null)
{
return(null);
}
var assets = bundle.LoadAllAssets <Sprite>();
if (assets == null)
{
Debug.LogWarning(zstring.Format("Cant find sprite: {0} in bundle {1}", spriteName, bundleRelativePath));
}
atlasCache = new UIAtlasCache(assets);
atlasMap[bundleRelativePath] = atlasCache;
}
Sprite sprite = atlasCache.GetSprite(spriteName);
TextureWatcher watcher = owner.transform.GetOrAddComponent <TextureWatcher>();
watcher.AddBundleName(bundleRelativePath);
return(sprite);
}
}
