private static IEnumerable<AssetInfo> GetAtlasAssetPages(AssetInfo atlasInfo, BuildInfoAssetDetailsCollector collector)
{
// add dependencies to atlas textures manually
var atlas = AssetDatabase.LoadMainAssetAtPath(atlasInfo.path);
if (atlas)
{
var tag = UnityVersionAgnostic.GetSpriteAtlasTag(atlas);
var previewTextures = UnityVersionAgnostic.LoadSpriteAtlasTextues(atlas);
if (previewTextures != null && tag != null)
{
int pageNo = 0;
foreach (var texture in previewTextures)
{
var textureInfo = new AssetInfo()
{
path = "Sprite Atlas " + tag + " [" + (pageNo + 1) + " of " + previewTextures.Length + "]",
spritePackerPage = pageNo,
spritePackerTag = tag,
size = GetStorageMemorySize(texture),
scenes = atlasInfo.scenes.ToList(),
};
if (collector != null)
{
Log.Debug("Collecting details for asset: {0}", textureInfo.path);
List<AssetProperty> details = new List<AssetProperty>();
collector.CollectForAsset(details, texture, textureInfo.path);
textureInfo.details = details.ToArray();
}
yield return textureInfo;
++pageNo;
}
}
else
{
Log.Warning("No textures found for atlas {0}", atlas);
}
}
}
public static void FinishCollectingDetails(List<AssetInfo> assetsInfo, BuildInfoAssetDetailsCollector collector)
{
using (ProfileSection.Create("Collecting Assets' Details"))
{
var details = new List<AssetProperty>();
foreach (var assetInfo in assetsInfo)
{
if (assetInfo.details != null)
{
continue;
}
Log.Debug("Load main asset at: {0}", assetInfo.path);
var mainAsset = AssetDatabase.LoadMainAssetAtPath(assetInfo.path);
if (mainAsset != null)
{
details.Clear();
Log.Debug("Collecting details for asset: {0}", assetInfo.path);
if (collector.CollectForAsset(details, mainAsset, assetInfo.path))
{
assetInfo.details = details.ToArray();
}
}
}
}
using (ProfileSection.Create("Cleaning Up Assets' Details"))
{
// sanitize and sort stuff
foreach (var assetInfo in assetsInfo)
{
assetInfo.details = BuildInfoProcessorUtils.CleanUpAssetsDetails(assetInfo.details, assetInfo.path);
}
}
}
public static void DiscoverDependenciesAndMissingAtlases(List<AssetInfo> assetsInfo, Dictionary<string, AssetInfo> assetsUsedByScenes, BuildInfoAssetDetailsCollector collector)
{
using (ProfileSection.Create("Resolving dependencies"))
{
Dictionary<string, AssetInfo> discoveredAtlases = new Dictionary<string, AssetInfo>();
Action<UnitySprite, string> legacySpriteAtlasHandler = null;
if (UnityVersionAgnostic.IsUsingLegacySpriteAtlases)
{
legacySpriteAtlasHandler = CreateLegacyAtlasHandler((atlasPageName, atlasPage) =>
{
AssetInfo entry;
if (assetsUsedByScenes.TryGetValue(atlasPageName, out entry))
return entry;
else if (discoveredAtlases.TryGetValue(atlasPageName, out entry))
return entry;
entry = new AssetInfo()
{
path = atlasPageName
};
discoveredAtlases.Add(atlasPageName, entry);
if (collector != null)
{
List<AssetProperty> details = new List<AssetProperty>();
Log.Debug("Collecting details for asset: {0}", atlasPageName);
collector.CollectForAsset(details, atlasPage, atlasPageName);
entry.details = details.ToArray();
}
return entry;
});
}
// now resolve dependencies and references
foreach (var assetInfo in assetsInfo)
{
Log.Debug("Collecting dependencies for asset: {0}", assetInfo.path);
var dependencies = AssetDatabase.GetDependencies(new[] { assetInfo.path });
bool isPossiblyLeakingLegacyAtlasses =
legacySpriteAtlasHandler != null &&
assetInfo.scenes.Count == 0 &&
(assetInfo.path.IndexOf("/Resources/", StringComparison.OrdinalIgnoreCase) >= 0) &&
(assetInfo.path.EndsWith(".prefab", StringComparison.OrdinalIgnoreCase) || assetInfo.path.EndsWith(".asset", StringComparison.OrdinalIgnoreCase));
// new sprites need to load their data manually
if (UnityVersionAgnostic.IsUsingSpriteAtlases && assetInfo.path.EndsWith(".spriteatlas"))
{
foreach (var pageInfo in GetAtlasAssetPages(assetInfo, collector))
{
if (discoveredAtlases.ContainsKey(pageInfo.path))
{
Log.Warning("Atlas already discovered: {0}", pageInfo.path);
}
else
{
discoveredAtlases.Add(pageInfo.path, pageInfo);
assetInfo.dependencies.Add(pageInfo.path);
}
}
assetInfo.dependencies.Sort();
}
bool mayHaveAnySpritesFromAtlases = false;
foreach (var dependency in dependencies)
{
if (dependency == assetInfo.path)
continue;
int dependencyIndex = assetInfo.dependencies.BinarySearch(dependency);
if (dependencyIndex < 0)
{
assetInfo.dependencies.Insert(~dependencyIndex, dependency);
}
if (!isPossiblyLeakingLegacyAtlasses)
continue;
var textureImporter = AssetImporter.GetAtPath(dependency) as TextureImporter;
if (textureImporter != null && textureImporter.qualifiesForSpritePacking)
{
// oh noes
mayHaveAnySpritesFromAtlases = true;
}
}
if (mayHaveAnySpritesFromAtlases)
{
Log.Debug("Asset {0} may be leaking some texture atlases, going to do a slow check", assetInfo.path);
// sad panda
var asset = AssetDatabase.LoadMainAssetAtPath(assetInfo.path);
if (!asset)
{
Log.Warning("Unable to do a slow texture atlas check for {0}", assetInfo.path);
}
else
{
var assetDependencies = EditorUtility.CollectDependencies(new[] { asset })
.OfType<UnitySprite>();
foreach (var sprite in assetDependencies)
{
var spriteAssetPath = AssetDatabase.GetAssetPath(sprite);
if (!string.IsNullOrEmpty(spriteAssetPath))
{
legacySpriteAtlasHandler(sprite, spriteAssetPath);
}
}
}
}
}
assetsInfo.AddRange(discoveredAtlases.Values);
}
}