/// <summary>
/// Ensures that the sources of an <see cref="Asset"/> exist.
/// </summary>
/// <param name="result">The <see cref="AssetCompilerResult"/> in which to output log of potential errors.</param>
/// <param name="assetItem">The asset to check.</param>
/// <returns><c>true</c> if the source file exists, <c>false</c> otherwise.</returns>
/// <exception cref="ArgumentNullException">Any of the argument is <c>null</c>.</exception>
private static bool EnsureSourcesExist(AssetCompilerResult result, AssetItem assetItem)
{
if (result == null) throw new ArgumentNullException(nameof(result));
if (assetItem == null) throw new ArgumentNullException(nameof(assetItem));
var collector = new SourceFilesCollector();
var sourceMembers = collector.GetSourceMembers(assetItem.Asset);
foreach (var member in sourceMembers)
{
if (string.IsNullOrEmpty(member.Value))
{
result.Error($"Source is null for Asset [{assetItem}] in property [{member.Key}]");
return false;
}
// Get absolute path of asset source on disk
var assetDirectory = assetItem.FullPath.GetParent();
var assetSource = UPath.Combine(assetDirectory, member.Value);
// Ensure the file exists
if (!File.Exists(assetSource))
{
result.Error($"Unable to find the source file '{assetSource}' for Asset [{assetItem}]");
return false;
}
}
return true;
}
private void UpdateAssetImportPathsTracked(bool isTracking)
{
if (isTracking)
{
var collector = new SourceFilesCollector();
var newSourceFiles = collector.GetSourceFiles(clonedAsset);
bool changed = false;
bool needUpdate = false;
// Untrack previous paths
foreach (var sourceFile in sourceFiles)
{
if (!newSourceFiles.ContainsKey(sourceFile.Key))
{
tracker.UnTrackAssetImportInput(AssetId, sourceFile.Key);
needUpdate = needUpdate || sourceFile.Value;
changed = true;
}
}
// Track new paths
foreach (var sourceFile in newSourceFiles)
{
if (!sourceFiles.ContainsKey(sourceFile.Key))
{
tracker.TrackAssetImportInput(AssetId, sourceFile.Key);
needUpdate = needUpdate || sourceFile.Value;
changed = true;
}
}
sourceFiles = newSourceFiles;
if (changed)
{
var files = sourceFiles.Where(x => x.Value).Select(x => x.Key).ToList();
tracker.SourceFileChanged.Post(new[] { new SourceFileChangedData(SourceFileChangeType.Asset, AssetId, files, needUpdate) });
}
}
else
{
foreach (var sourceFile in sourceFiles.Keys)
{
tracker.UnTrackAssetImportInput(AssetId, sourceFile);
}
}
}
private void UpdateAssetImportPathsTracked(bool isTracking)
{
if (isTracking)
{
var collector = new SourceFilesCollector();
var newSourceFiles = collector.GetSourceFiles(clonedAsset);
bool changed = false;
bool needUpdate = false;
// Untrack previous paths
foreach (var sourceFile in sourceFiles)
{
if (!newSourceFiles.ContainsKey(sourceFile.Key))
{
tracker.UnTrackAssetImportInput(AssetId, sourceFile.Key);
needUpdate = needUpdate || sourceFile.Value;
changed = true;
}
}
// Track new paths
foreach (var sourceFile in newSourceFiles)
{
if (!sourceFiles.ContainsKey(sourceFile.Key))
{
tracker.TrackAssetImportInput(AssetId, sourceFile.Key);
needUpdate = needUpdate || sourceFile.Value;
changed = true;
}
}
sourceFiles = newSourceFiles;
if (changed)
{
var files = sourceFiles.Where(x => x.Value).Select(x => x.Key).ToList();
tracker.SourceFileChanged.Post(new[] { new SourceFileChangedData(SourceFileChangeType.Asset, AssetId, files, needUpdate) });
}
}
else
{
foreach (var sourceFile in sourceFiles.Keys)
{
tracker.UnTrackAssetImportInput(AssetId, sourceFile);
}
}
}
