static private void MakeAtlas()
{
string spriteDir = Application.dataPath + "/Atlas/";
if (!Directory.Exists(spriteDir))
{
Directory.CreateDirectory(spriteDir);
}
Texture2D atlas = new Texture2D(2048, 2048);
List <Texture2D> list = new List <Texture2D>();
DirectoryInfo rootDirInfo = new DirectoryInfo(Application.dataPath + "/UI/Image/Common/");
//foreach (DirectoryInfo dirInfo in rootDirInfo.GetDirectories())
{
foreach (FileInfo pngFile in rootDirInfo.GetFiles("*.png", SearchOption.AllDirectories))
{
string allPath = pngFile.FullName;
string assetPath = allPath.Substring(allPath.IndexOf("Assets"));
Texture2D texture = AssetDatabase.LoadAssetAtPath(assetPath, typeof(Texture2D)) as Texture2D;
//Sprite sprite = AssetDatabase.LoadAssetAtPath<Sprite>(assetPath);
//Debug.LogError(assetPath);
//GameObject go = new GameObject(sprite.name);
//go.AddComponent<SpriteRenderer>().sprite = sprite;
//allPath = spriteDir + "/" + sprite.name + ".prefab";
//string prefabPath = allPath.Substring(allPath.IndexOf("Assets"));
//PrefabUtility.CreatePrefab(prefabPath, go);
//GameObject.DestroyImmediate(go);
//Texture2D sprite = Resources.Load(
// string.Format("IMAGE/{0}/{1}", PanelCreator.Instance.CurrentName, stateDict[state]),
// typeof(Sprite)) as Sprite;
list.Add(texture);
}
}
Rect[] rects = atlas.PackTextures(list.ToArray(), 5);
atlas = AtlasOptimizer.OptimizeAtlas(atlas, rects);
SaveTexture(atlas);
string pngPath = Application.dataPath + "/Resources/b.png";
string assetPath1 = pngPath.Substring(pngPath.IndexOf("Assets"));
CreateMultipleModeSpriteImporter(assetPath1, rects, atlas.width, atlas.height);
AssetDatabase.ImportAsset(assetPath1, ImportAssetOptions.ForceUncompressedImport);
}
public static void Generate(string jsonPath)
{
string jsonFileName = FileUtility.GetFileName(jsonPath);
Read9SliceParam(jsonPath);
Texture2D atlas = new Texture2D(2048, 2048);
List <Texture2D> list = new List <Texture2D>();
string imageDir = FileUtility.RemovePostfix(jsonPath.Replace("Data", "Image"));
DirectoryInfo dirInfo = new DirectoryInfo(imageDir);
List <string> nameList = new List <string>();
foreach (FileInfo pngFile in dirInfo.GetFiles("*.png", SearchOption.TopDirectoryOnly))
{
string pngAssetPath = FileUtility.AllPath2AssetPath(pngFile.FullName);
CreateTextureImporter(pngAssetPath, true);
AssetDatabase.ImportAsset(pngAssetPath, ImportAssetOptions.ForceUncompressedImport);
//TODO
//FormatTexture(FileTool.RemovePostfix(pngFile.Name), pngAssetPath);
Texture2D texture = AssetDatabase.LoadAssetAtPath(pngAssetPath, typeof(Texture2D)) as Texture2D;
nameList.Add(texture.name);
list.Add(texture);
}
//padding REYES
//如果图集太大，会有缩放 需要确认下是否会产生影响
Rect[] rects = atlas.PackTextures(list.ToArray(), 5);
atlas = AtlasOptimizer.OptimizeAtlas(atlas, rects);
string outputPath = Application.dataPath + "/Atlas/" + jsonFileName + ".png";
string assetPath = FileUtility.AllPath2AssetPath(outputPath);
AssetDatabase.DeleteAsset(assetPath);
SaveTexture(atlas, outputPath);
AssetDatabase.ImportAsset(assetPath, ImportAssetOptions.ForceUncompressedImport);
CreateTextureImporter(assetPath, true);
AssetDatabase.ImportAsset(assetPath, ImportAssetOptions.ForceUncompressedImport);
CreateMultipleModeSpriteImporter(assetPath, rects, atlas.width, atlas.height, nameList);
AssetDatabase.ImportAsset(assetPath, ImportAssetOptions.ForceUncompressedImport);
BuildAssetBundle(assetPath, jsonFileName);
}