public Sprite LoadAtlas(string atlasName, string spriteName)
{
Debug.Log("LoadAtlas");
string abPath = $"{Application.streamingAssetsPath}/atlas/{atlasName}{TCommon.ABSUFFIX_AFTER}";
AssetBundle ab = AssetBundle.LoadFromFile(abPath);
GameObject atlasPrefab = ab.LoadAsset <GameObject>(atlasName);
atlasPrefab.SetParent(GameObject.Find("Canvas").transform);
TUIAtlas tuiAtlas = atlasPrefab.GetComponent <TUIAtlas>();
TUIAtlasSheet sheet = tuiAtlas.sheet;
TUiSpriteData data = new TUiSpriteData();
for (int i = 0; i < sheet.uispriteList.Count; i++)
{
if (sheet.uispriteList[i].spriteName == spriteName)
{
data = sheet.uispriteList[i];
break;
}
}
Texture2D tx2D = ab.LoadAsset(atlasName) as Texture2D;
//使用图集和精灵信息，加载出精灵
Sprite sprite = Sprite.Create(tx2D, data.rect, data.pivot, 100f, 0, SpriteMeshType.Tight, Vector4.zero);
return(sprite);
}
/// <summary>
/// 解析图集
/// </summary>
void AnalySheet(string _atlasName)
{
string atlasPath = $"{atlasResPath}/{_atlasName}";
string outPngPath = $"{atlasResPath}/{_atlasName}/{_atlasName}.png";
string outTxtPath = $"{atlasResPath}/{_atlasName}/{_atlasName}.txt";
string outTextAssetPath = $"{atlasResPath}/{_atlasName}/{_atlasName}.asset";
string outPrefabPath = $"{atlasResPath}/{_atlasName}/{_atlasName}.prefab";
if (Directory.Exists(outPrefabPath))
{
Directory.Delete(outPrefabPath, true);
}
AssetDatabase.Refresh();
GameObject prefab = new GameObject();
Object o = PrefabUtility.CreateEmptyPrefab(BuildTool.RemovePathPrefix(outPrefabPath));
TUIAtlas tAtlas = prefab.AddComponent <TUIAtlas>();
TUIAtlasSheet tSheetList = ScriptableObject.CreateInstance <TUIAtlasSheet>();
AssetDatabase.CreateAsset(tSheetList, BuildTool.RemovePathPrefix(outTextAssetPath));
TextAsset txtAsset = AssetDatabase.LoadAssetAtPath <TextAsset>(BuildTool.RemovePathPrefix(outTxtPath));
Debug.Log("Txt:" + txtAsset);
string txtString = txtAsset.ToString();
string[] split = txtString.Split('\n');
foreach (var _curSplit in split)
{
if (_curSplit.Contains(";"))
{
string [] _dataSplit = _curSplit.Split(';');
TUiSpriteData data = new TUiSpriteData();
data.border = Vector4.zero;
data.spriteName = _dataSplit[0];
float x = 0;
float.TryParse(_dataSplit[1], out x);
float y = 0;
float.TryParse(_dataSplit[2], out y);
float width = 0;
float.TryParse(_dataSplit[3], out width);
float height = 0;
float.TryParse(_dataSplit[4], out height);
data.rect = new Rect(x, y, width, height);
data.pivot = new Vector2(0.5f, 0.5f);
tSheetList.uispriteList.Add(data);
}
}
SpriteMetaData[] metaData = new SpriteMetaData[tSheetList.uispriteList.Count];
for (int i = 0; i < metaData.Length; i++)
{
metaData[i].pivot = tSheetList.uispriteList[i].pivot;
metaData[i].border = tSheetList.uispriteList[i].border;
metaData[i].rect = tSheetList.uispriteList[i].rect;
metaData[i].name = tSheetList.uispriteList[i].spriteName;
}
TextureImporter textureImporter = TextureImporter.GetAtPath(BuildTool.RemovePathPrefix(outPngPath)) as TextureImporter;
textureImporter.spritesheet = metaData;
textureImporter.textureType = TextureImporterType.Sprite;
textureImporter.spriteImportMode = SpriteImportMode.Multiple;
textureImporter.mipmapEnabled = false;
textureImporter.SaveAndReimport();
tAtlas.sheet = tSheetList;
Texture2D tx2d = AssetDatabase.LoadAssetAtPath <Texture2D>(BuildTool.RemovePathPrefix(outPngPath));
tAtlas.Texture = tx2d;
PrefabUtility.ReplacePrefab(prefab, o);
}
