/// <summary>
/// The BundleBuildContent class contains information about all of the Assets you want to build into the BuildMap
/// Assets are referenced to by a GUID object, and the Addresses can be obtained and modified by using a GUID to
/// refer to each asset and identify its Address
/// </summary>
/// <param name="outputPath"></param>
/// <param name="compressionMode"></param>
/// <param name="buildTarget"></param>
/// <param name="buildGroup"></param>
/// <param name="results"></param>
/// <returns></returns>
public static ReturnCode BuildAssetBundles(string outputPath, CompressionType compressionMode, BuildTarget buildTarget, BuildTargetGroup buildGroup, out IBundleBuildResults results)
{
BundleBuildContent buildContent = new BundleBuildContent(ContentBuildInterface.GenerateAssetBundleBuilds());
// Go through assets content and set their address to its filename
for (int i = 0; i < buildContent.Assets.Count; ++i)
{
GUID g = buildContent.Assets[i];
// Get the current address as the full filepath and change it to just be the filename
buildContent.Addresses[g] = Path.GetFileNameWithoutExtension(buildContent.Addresses[g]);
}
BundleBuildParameters buildParams = new BundleBuildParameters(buildTarget, buildGroup, outputPath);
switch (compressionMode)
{
case CompressionType.None:
buildParams.BundleCompression = BuildCompression.Uncompressed;
break;
case CompressionType.Lz4:
buildParams.BundleCompression = BuildCompression.LZ4;
break;
default:
buildParams.BundleCompression = BuildCompression.LZMA;
break;
}
return(ContentPipeline.BuildAssetBundles(buildParams, buildContent, out results));
}
/// <summary>
/// Using the Compatible code path, this setup is limited to be the same as legacy pipeline.
/// With this setup an array of content for each AssetBundle is passed into the pipeline.
/// ContentBuildInterface.GeneratAssetBundleBuilds can be used to get an array for the bundleNames
/// set in the AssetImporters in your project (as seen at the bottom of the inspector when selecting an asset)
/// There are two arrays,
/// .assetNames which contains the fullpath to the Asset to be included
/// .addressableNames which is the string used when loading the Asset.
/// These are connected by index, so assigning .addressableNames[8] = "Robo" is assigning the asset at .assetNames[8]
/// to load via AssetBundle.LoadAsset<T>( "Robo" );
/// </summary>
/// <param name="outputPath"></param>
/// <param name="forceRebuild"></param>
/// <param name="compression"></param>
/// <param name="buildTarget"></param>
/// <returns></returns>
public static bool BuildCompatibilityAssetBundles(string outputPath, bool forceRebuild, CompressionType compression, BuildTarget buildTarget)
{
var options = BuildAssetBundleOptions.None;
switch (compression)
{
case CompressionType.None:
options |= BuildAssetBundleOptions.UncompressedAssetBundle;
break;
case CompressionType.Lz4:
options |= BuildAssetBundleOptions.ChunkBasedCompression;
break;
}
if (forceRebuild)
{
options |= BuildAssetBundleOptions.ForceRebuildAssetBundle;
}
AssetBundleBuild[] bundles = ContentBuildInterface.GenerateAssetBundleBuilds();
// go through each asset in the bundle and assign the addressable name to filename
for (int i = 0; i < bundles.Length; i++)
{
bundles[i].addressableNames = bundles[i].assetNames.Select(Path.GetFileNameWithoutExtension).ToArray();
}
var manifest = CompatibilityBuildPipeline.BuildAssetBundles(outputPath, bundles, options, buildTarget);
return(manifest != null);
}
