/// <summary>
/// Copies built asset bundles to the StreamingAssets folder.
/// </summary>
public static void CopyToStreamingAssets()
{
if (!string.IsNullOrEmpty(DistDirectory))
{
try
{
string srcDirectory = DistDirectory;
string[] files = Directory.GetFiles(srcDirectory);
if (srcDirectory.StartsWith("./"))
{
srcDirectory = srcDirectory.Substring(2); // makes entire string indifferent to absolute and relative paths
}
foreach (string sourceFilename in files)
{
string destFileName = Builder.TARGET_IN_STREAMING_ASSETS + sourceFilename.Substring(sourceFilename.IndexOf(srcDirectory) + srcDirectory.Length);
ETUtils.CreateDirectoryForFile(destFileName);
File.Copy(sourceFilename, destFileName, true);
}
}
catch (Exception e)
{
// TODO: introduce logger like in the Builder
// - to replace all Console.Write*;
// - to inform TeamCity about the error (otherwise throw an exception).
Console.WriteLine("Caught exception, while copying files to StreamingAssets: " + e.ToString());
}
AssetDatabase.Refresh(); // makes sure asset bundles would be included in the build
}
else
{
Console.WriteLine("WARNING. Can't copy artifacts, because nothing has been built by use of BuilderHelper.");
}
}
/// <summary>
/// Separate bundles into two folders: compressed and uncompressed
/// </summary>
public static void SeparateBundles()
{
if (!string.IsNullOrEmpty(DistDirectory))
{
try
{
string srcDirectory = DistDirectory;
string[] files = Directory.GetFiles(srcDirectory);
if (srcDirectory.StartsWith("./"))
{
srcDirectory = srcDirectory.Substring(2); // makes entire string indifferent to absolute and relative paths
}
string destUnCompressedDir = srcDirectory + "/Uncompressed";
string destCompressedDir = srcDirectory + "/Compressed";
foreach (string sourceFilename in files)
{
string destFileName;
string srcFileName = Path.GetFileName(sourceFilename);
Console.WriteLine("Source file name = " + srcFileName);
if (Builder.uncompressedBundleList.Contains(srcFileName))
{
destFileName = Path.Combine(destUnCompressedDir, srcFileName);
}
else
{
destFileName = Path.Combine(destCompressedDir, srcFileName);
}
//index files are not in list, but they must exist in both folders.
if (srcFileName.StartsWith("index"))
{
string fn = Path.Combine(destUnCompressedDir, srcFileName);
ETUtils.CreateDirectoryForFile(fn);
File.Copy(sourceFilename, fn);
}
ETUtils.CreateDirectoryForFile(destFileName);
File.Move(sourceFilename, destFileName);
}
}
catch (Exception e)
{
Console.WriteLine("Caught exception, while copying files to StreamingAssets: " + e.Message);
}
AssetDatabase.Refresh(); // makes sure asset bundles would be included in the build
}
else
{
Console.WriteLine("WARNING. Can't copy artifacts, because nothing has been built by use of BuilderHelper.");
}
}
// TODO: comment it: computes hash of the asset bundle based on the specified assets
public static string ComputeAssetBundleHashDependingOnProvidedDistribution(Index index, Index.AssetBundle assetBundle)
{
Index.AssetBundle userAssetBundle = assetBundle;
Index.AssetBundle realAssetBundle = null;
foreach (Index.AssetBundle ab in index.m_assetBundles)
{
if (ab.m_filename.Equals(userAssetBundle.m_filename))
{
realAssetBundle = ab;
break;
}
}
Assertion.Check(realAssetBundle != null); // SANITY CHECK
// create a list contained user-defined assets (they could become just references)
List <string> references = new List <string>();
foreach (Index.AssetBundle.Asset asset in userAssetBundle.m_assets)
{
references.Add(asset.m_filename);
}
// now compute hash for the asset bundle
string ret = "";
foreach (Index.AssetBundle.Asset asset in realAssetBundle.m_assets)
{
string hash = File.Exists(asset.m_filename) ? ETUtils.CreateHashForAsset(asset.m_filename) : null; // hash of the content
ret = ETUtils.HashXorHash(ret, hash);
}
foreach (string assetFilepath in references)
{
string hash = ETUtils.CreateHashForString(assetFilepath); // hash of explicit asset name
ret = ETUtils.HashXorHash(ret, hash);
}
return(ret); // return null to compute hashes with base (incorrent) algorithm
}
/// <summary>
/// Cleans the StreamingAssets folder from generated asset bundles.
/// </summary>
public static void CleanStreamingAssets()
{
ETUtils.DeleteDirectory(Builder.TARGET_IN_STREAMING_ASSETS);
ETUtils.CreateDirectory(Builder.TARGET_IN_STREAMING_ASSETS);
AssetDatabase.Refresh();
}
/// <summary>
/// Builds asset bundles.
/// </summary>
public static void Build(
ref List <string> scenesToBuild,
ref BuildTarget buildTarget,
ref BuildOptions buildOptions,
IBuildConfig buildConfig,
string originalIndexFilename,
string producedIndexFilename,
bool?compressAssetBundles)
{
// set output folder
Assertion.Check(buildConfig != null, "BuildConfig must be specified!");
InitDistDirectory(buildConfig);
// configure builder
Index index = Builder.index;
Builder.index = null; // means, build all found indices
if (!string.IsNullOrEmpty(originalIndexFilename))
{
bool found = false;
Index[] indices = Builder.GetIndexInstances();
Builder.index = index; // restores original value
foreach (Index i in indices)
{
if (i.m_filename.ToLower().Equals(originalIndexFilename.ToLower()))
{
Builder.index = i;
found = true;
break;
}
}
Assertion.Check(found, "Index \"{0}\" has not been found!", originalIndexFilename);
if (!found)
{
throw new NotSupportedException(string.Format("Index \"{0}\" has not been found. No asset bundles will be built.", originalIndexFilename));
}
}
Index.m_overridenFilenameMask = producedIndexFilename;
bool buildReadableIndex = Builder.BuildReadableIndex;
Builder.BuildReadableIndex = ETUtils.IsUnityInBatchMode(); // means, on buildmachines only
Builder.AssetBundlesCompressionOverriding overrideAssetBundlesCompression = Builder.OverrideAssetBundlesCompression;
if ((compressAssetBundles != null) && compressAssetBundles.HasValue)
{
Builder.OverrideAssetBundlesCompression = compressAssetBundles.Value ? Builder.AssetBundlesCompressionOverriding.Compressed : Builder.AssetBundlesCompressionOverriding.Uncompressed;
}
else
{
Builder.OverrideAssetBundlesCompression = Builder.AssetBundlesCompressionOverriding.DoNotOverride;
}
// produce bundles
UpdateScenes(ref scenesToBuild);
Builder.BuildAssetBundles(DistDirectory, buildTarget, buildOptions);
// restore builder
Builder.index = index;
Index.m_overridenFilenameMask = null;
Builder.BuildReadableIndex = buildReadableIndex;
Builder.OverrideAssetBundlesCompression = overrideAssetBundlesCompression;
}
// TODO: comment it: gets distribution (which assets in which bundles) in reality
public static Index ReorganizeDistribution(Index index)
{
Dictionary <string, Index.AssetBundle> userAssetsToBundles = GetUserDistribution(index);
Dictionary <string, Index.AssetBundle> realAssetsToBundles = GetRealDistribution(userAssetsToBundles);
Dictionary <string, List <string> > dist = new Dictionary <string, List <string> >();
foreach (KeyValuePair <string, Index.AssetBundle> kvp in realAssetsToBundles)
{
if (!dist.ContainsKey(kvp.Value.m_filename))
{
dist.Add(kvp.Value.m_filename, new List <string>());
}
dist[kvp.Value.m_filename].Add(kvp.Key);
}
index = Index.DuplicateInstance(index);
HashSet <Index.AssetBundle> checkedAssetBundles = new HashSet <Index.AssetBundle>();
HashSet <Index.AssetBundle.Asset> checkedAssets = new HashSet <Index.AssetBundle.Asset>();
foreach (KeyValuePair <string, List <string> > kvp in dist)
{
Index.AssetBundle assetBundle = null;
foreach (Index.AssetBundle ab in index.m_assetBundles)
{
if (ab.m_filename.Equals(kvp.Key))
{
assetBundle = ab;
break;
}
}
Assertion.Check(assetBundle != null);
if (assetBundle != null)
{
foreach (string val in kvp.Value)
{
Index.AssetBundle.Asset asset = null;
foreach (Index.AssetBundle.Asset a in assetBundle.m_assets)
{
if (a.m_filename.Equals(val))
{
asset = a;
break;
}
}
if (asset == null)
{
asset = new Index.AssetBundle.Asset();
asset.m_filename = val;
asset.m_guid = AssetDatabase.AssetPathToGUID(asset.m_filename);
assetBundle.m_assets.Add(asset);
}
asset.m_hash = File.Exists(asset.m_filename) ? ETUtils.CreateHashForAsset(asset.m_filename) : null;
checkedAssets.Add(asset);
}
checkedAssetBundles.Add(assetBundle);
}
}
foreach (Index.AssetBundle assetBundle in index.m_assetBundles)
{
if (checkedAssetBundles.Contains(assetBundle))
{
for (int idx = assetBundle.m_assets.Count - 1; idx >= 0; --idx)
{
if (!checkedAssets.Contains(assetBundle.m_assets[idx]))
{
assetBundle.m_assets.RemoveAt(idx);
}
}
}
else
{
assetBundle.m_assets.Clear();
}
}
return(index);
}
