private static Dictionary <string, Material> GetMaterialDict(string[] atlasPaths)
{
Dictionary <string, Material> result = new Dictionary <string, Material>();
foreach (string s in atlasPaths)
{
result.Add(s, AssetDatabase.LoadAssetAtPath(AtlasGenerator.GetMaterialPath(s), typeof(Material)) as Material);
}
return(result);
}
public static string Process(string prefabPath)
{
//获得Prefab依赖的单张图片列表的目录，可能存在多个目录
string[] textureFolderPaths = GetPrefabDependentTextureFolderPaths(prefabPath);
//将每一个图片目录做成一个图集
string[] atlasPaths = AtlasGenerator.Generate(textureFolderPaths);
//将Prefab复制出来一个副本
string copyPath = CopyPrefab(prefabPath);
//将副本Prefab中Image组件上的资源依赖重定向到图集的Sprite
ReplaceImageSprite(copyPath, atlasPaths);
return(copyPath);
}
private static void ChangeImageSpriteMaterial(Image image, Dictionary <string, List <Sprite> > spriteListDict, Dictionary <string, Material> materialDict)
{
Sprite sprite = image.sprite;
string path = AssetDatabase.GetAssetPath(sprite);
string folderPath = GetFolderPath(path);
string tag = (AssetImporter.GetAtPath(path) as TextureImporter).spritePackingTag;
string atlasPath = AtlasGenerator.GetAtlasPath(folderPath, tag);
List <Sprite> spriteList = spriteListDict[atlasPath];
foreach (Sprite s in spriteList)
{
if (s.name == sprite.name)
{
image.sprite = s;
image.material = materialDict[atlasPath];
break;
}
}
}