void FChunkManifestGenerator::GenerateChunkManifestForPackage(const FName& PackageFName, const FString& PackagePathName, const FString& SandboxFilename, const FString& LastLoadedMapName, FSandboxPlatformFile* InSandboxFile)
{
TArray<int32> TargetChunks;
TArray<int32> ExistingChunkIDs;
if (!bGenerateChunks)
{
TargetChunks.AddUnique(0);
ExistingChunkIDs.AddUnique(0);
}
if (bGenerateChunks)
{
// Collect all chunk IDs associated with this package from the asset registry
TArray<int32> RegistryChunkIDs = GetAssetRegistryChunkAssignments(PackageFName);
ExistingChunkIDs = GetExistingPackageChunkAssignments(PackageFName);
// Try to call game-specific delegate to determine the target chunk ID
// FString Name = Package->GetPathName();
if (FGameDelegates::Get().GetAssignStreamingChunkDelegate().IsBound())
{
FGameDelegates::Get().GetAssignStreamingChunkDelegate().ExecuteIfBound(PackagePathName, LastLoadedMapName, RegistryChunkIDs, ExistingChunkIDs, TargetChunks);
}
else
{
//Take asset registry assignments and existing assignments
TargetChunks.Append(RegistryChunkIDs);
TargetChunks.Append(ExistingChunkIDs);
}
}
bool bAssignedToChunk = false;
// if the delegate requested a specific chunk assignment, add them package to it now.
for (const auto& PackageChunk : TargetChunks)
{
AddPackageToManifest(SandboxFilename, PackageFName, PackageChunk);
bAssignedToChunk = true;
}
// If the delegate requested to remove the package from any chunk, remove it now
for (const auto& PackageChunk : ExistingChunkIDs)
{
if (!TargetChunks.Contains(PackageChunk))
{
RemovePackageFromManifest(PackageFName, PackageChunk);
}
}
}
void FChunkManifestGenerator::AddPackageToChunkManifest(UPackage* Package, const FString& SandboxFilename, const FString& LastLoadedMapName, FSandboxPlatformFile* InSandboxFile)
{
TArray<int32> TargetChunks;
TArray<int32> ExistingChunkIDs;
if (!bGenerateChunks)
{
TargetChunks.AddUnique(0);
ExistingChunkIDs.AddUnique(0);
}
auto PackageFName = Package->GetFName();
if (bGenerateChunks)
{
// Try to determine if this package has been loaded as a result of loading a map package.
FString MapThisAssetWasLoadedWith;
if (!LastLoadedMapName.IsEmpty())
{
if (AssetsLoadedWithLastPackage.Contains(PackageFName))
{
MapThisAssetWasLoadedWith = LastLoadedMapName;
}
}
// Collect all chunk IDs associated with this package from the asset registry
TArray<int32> RegistryChunkIDs = GetAssetRegistryChunkAssignments(Package);
ExistingChunkIDs = GetExistingPackageChunkAssignments(PackageFName);
// Try to call game-specific delegate to determine the target chunk ID
FString Name = Package->GetPathName();
if (FGameDelegates::Get().GetAssignStreamingChunkDelegate().IsBound())
{
FGameDelegates::Get().GetAssignStreamingChunkDelegate().ExecuteIfBound(Name, MapThisAssetWasLoadedWith, RegistryChunkIDs, ExistingChunkIDs, TargetChunks);
}
else
{
//Take asset registry assignments and existing assignments
TargetChunks.Append(RegistryChunkIDs);
TargetChunks.Append(ExistingChunkIDs);
}
}
NotifyPackageWasCooked(SandboxFilename, PackageFName);
bool bAssignedToChunk = false;
// if the delegate requested a specific chunk assignment, add them package to it now.
for (const auto& PackageChunk : TargetChunks)
{
AddPackageToManifest(SandboxFilename, PackageFName, PackageChunk);
bAssignedToChunk = true;
}
// If the delegate requested to remove the package from any chunk, remove it now
for (const auto& PackageChunk : ExistingChunkIDs)
{
if (!TargetChunks.Contains(PackageChunk))
{
RemovePackageFromManifest(PackageFName, PackageChunk);
}
}
if (!bAssignedToChunk)
{
NotifyPackageWasNotAssigned(SandboxFilename, PackageFName);
}
}
