// 根据资源名获取AssetBundle的名字
public string LookupAssetBundleName(string assetName)
{
string normalizeName = assetName.ToLower();
string bundlePath;
if (!file2AssetBundleMap.TryGetValue(normalizeName, out bundlePath))
{
bundlePath = packRules.FindAssetBundlePath(normalizeName);
file2AssetBundleMap[normalizeName] = bundlePath;
}
return(bundlePath);
}
static void GenerateAB(BuildTarget target)
{
DateTime startTime = DateTime.Now;
DateTime stepTime = DateTime.Now;
string path = GetDirStringByBuildTarget(target);
Debug.Log("Generate AssetBundle start");
#region Step 1: Clear AssetBundle Directory
if (!Directory.Exists(AB_TARGET_PATH))
{
Directory.CreateDirectory(AB_TARGET_PATH);
}
string assetBundlePath = AB_TARGET_PATH + "/" + path;
if (!Directory.Exists(assetBundlePath))
{
Directory.CreateDirectory(assetBundlePath);
}
Paths.Clear();
Files.Clear();
#endregion
#region Step 2: Collect All Resource Files
Debug.Log("Collect all files");
stepTime = DateTime.Now;
List <AssetBundleBuild> builds = new List <AssetBundleBuild>();
Dictionary <string, List <string> > buildDetails = new Dictionary <string, List <string> >();
FindAllFiles(Paths, Files, Application.dataPath);
for (int i = 0; i < Files.Count; ++i)
{
AssetBundleBuild build = new AssetBundleBuild();
build.assetBundleName = PackRules.FindAssetBundlePath(Files[i].ToLower());
build.assetNames = new string[] { Files[i] };
builds.Add(build);
string abPath = assetBundlePath.ToLower() + "/" + build.assetBundleName;
if (!buildDetails.ContainsKey(abPath))
{
List <string> filenames = new List <string>();
filenames.Add(Files[i]);
buildDetails.Add(abPath, filenames);
}
}
#endregion
#region Step 3: Process Lua Scripts
stepTime = DateTime.Now;
string bytecodePath = Application.dataPath + "/" + PackRules.LuaBytecodePath;
// 重新建立 lua bytecode 目录
if (Directory.Exists(bytecodePath))
{
Directory.Delete(bytecodePath, true);
}
Directory.CreateDirectory(bytecodePath);
HandleLuaScripts(bytecodePath, builds, buildDetails, assetBundlePath);
#endregion
#region Step 4: Build AssetBundle
stepTime = DateTime.Now;
BuildAssetBundleOptions options = BuildAssetBundleOptions.DeterministicAssetBundle;
options |= BuildAssetBundleOptions.ChunkBasedCompression;
BuildPipeline.BuildAssetBundles(assetBundlePath, builds.ToArray(), options, target);
#endregion
#region Step 5: Generate BuildGraph File
//TODO:
#endregion
#region Step 6: Generate Checksum File
//TODO:
#endregion
CleanLuaBytecode(bytecodePath);
string timeSpent = (DateTime.Now - startTime).ToString();
Debug.Log("Generate AssetrBundle end. Time spent: " + timeSpent);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
}