// Returns true if overrides count changed during the update
public bool MoveNext()
{
if (IsDone())
{
return(false);
}
var assetRoot = m_PrefabAssetRoots[m_CurrentAssetIndex];
var startCount = m_OverridesCount[m_CurrentAssetIndex];
switch (m_CurrentStep)
{
case 0:
{
// First check if we have cached overides count for the prefab
var path = AssetDatabase.GetAssetPath(assetRoot);
var guid = AssetDatabase.AssetPathToGUID(path);
var cachedPrefabAssetInfo = PrefabAssetStateCache.GetState(guid);
if (cachedPrefabAssetInfo != null)
{
m_OverridesCount[m_CurrentAssetIndex] = cachedPrefabAssetInfo.overrideCount;
m_ChangedCount = true;
m_CurrentAssetIndex++;
if (m_Debug)
{
Debug.Log($"[OverridesCounterForPrefabAssets] Using cached overridecount {cachedPrefabAssetInfo.overrideCount} ({path})");
}
return(true);
}
}
break;
case 1:
PropertyModification[] mods = PrefabUtility.GetPropertyModifications(assetRoot);
foreach (PropertyModification mod in mods)
{
if (mod.target == null)
{
continue;
}
if (!PrefabUtility.IsDefaultOverride(mod))
{
m_OverridesCount[m_CurrentAssetIndex]++;
}
}
break;
case 2:
m_OverridesCount[m_CurrentAssetIndex] += PrefabOverridesUtility.GetAddedComponents(assetRoot).Count;
break;
case 3:
m_OverridesCount[m_CurrentAssetIndex] += PrefabOverridesUtility.GetRemovedComponents(assetRoot).Count;
break;
case 4:
m_OverridesCount[m_CurrentAssetIndex] += PrefabOverridesUtility.GetAddedGameObjects(assetRoot).Count;
break;
default:
{
// Cache result
var path = AssetDatabase.GetAssetPath(assetRoot);
var guid = AssetDatabase.AssetPathToGUID(path);
var prefabAssetInfo = new PrefabAssetInfo();
prefabAssetInfo.overrideCount = m_OverridesCount[m_CurrentAssetIndex];
prefabAssetInfo.prefabFileHash = AssetDatabase.GetSourceAssetFileHash(guid);
PrefabAssetStateCache.SetState(guid, prefabAssetInfo);
if (m_Debug)
{
Debug.Log($"[OverridesCounterForPrefabAssets] Set cached overridecount {prefabAssetInfo.overrideCount} for {path}");
}
// Move to next asset
m_CurrentAssetIndex++;
m_CurrentStep = 0;
}
break;
}
if (m_Debug)
{
Debug.Log($"[OverridesCounterForPrefabAssets] Current asset index: {m_CurrentAssetIndex}, current step: {m_CurrentStep}");
}
m_CurrentStep++;
// Simulate heavy calculation
if (m_Debug)
{
System.Threading.Thread.Sleep(500);
}
m_ChangedCount = m_OverridesCount[m_CurrentAssetIndex] != startCount;
return(true);
}