/// <summary>
/// Assess and remove any duplicates found in <paramref name="assets"/>.
/// </summary>
/// <param name="assets"></param>
/// <param name="useVersioning"></param>
/// <returns></returns>
protected virtual IEnumerable <Asset> EliminateDuplicates(IEnumerable <Asset> assets, bool useVersioning)
{
var finalAssetList = new List <Asset>();
var pathMap = new HashSet <string>();
var bundledContents = new HashSet <string>();
foreach (Asset asset in assets)
{
if (asset.IsStatic)
{
finalAssetList.Add(asset);
continue;
}
if (!pathMap.Contains(asset.Value))
{
// open bundles file list to look at its contents
if (asset.IsBundle && asset.Bundle != null)
{
// add the bundled contents to list to check so those scripts are not duplicated in the resulting list
foreach (string filePath in asset.Bundle.Files)
{
bundledContents.Add(PathFormatter.GetFullPath(filePath, useVersioning));
}
}
finalAssetList.Add(asset);
pathMap.Add(asset.Value);
}
}
return(finalAssetList.Where(asset => asset.IsStatic || !bundledContents.Contains(asset.Value)));
}
/// <summary>
/// Recursively build list of assets based on list of string / path reference alues.
/// </summary>
/// <param name="assets">List of assets being built recursively.</param>
/// <param name="references">List of paths or bundles to be resolved.</param>
/// <param name="useBundledOutput">Use bundled output over list of files in bundle.</param>
/// <param name="useVersioning">Apply versioning to asset output.</param>
protected virtual void BuildAssets(List <Asset> assets, IEnumerable <string> references, bool useBundledOutput, bool useVersioning)
{
foreach (string contentReference in references)
{
if (BundleLookup.TryGetBundle(contentReference, out Bundle? bundle) && bundle != null)
{
if (useBundledOutput)
{
assets.Add(new Asset(PathFormatter.GetFullPath(bundle.OutputPath, useVersioning), bundle: bundle));
}
else
{
BuildAssets(assets, bundle.Files, useBundledOutput, useVersioning);
}
}
else
{
assets.Add(new Asset(PathFormatter.GetFullPath(contentReference, useVersioning)));
}
}
}
