/**
* Returns a list of all assets referenced by the specified UObject.
*/
void FFindReferencedAssets::BuildAssetList(UObject *Object, const TArray<UClass*>& IgnoreClasses, const TArray<UObject*>& IgnorePackages, TSet<UObject*>& ReferencedAssets, bool bIncludeDefaultRefs)
{
TArray<FReferencedAssets> LocalReferencers;
// Create a new entry for this actor.
new( LocalReferencers ) FReferencedAssets( Object );
for (FObjectIterator It; It; ++It)
{
// Skip the level, world, and any packages that should be ignored
if ( ShouldSearchForAssets(*It, IgnoreClasses, IgnorePackages, bIncludeDefaultRefs) )
{
It->Mark(OBJECTMARK_TagExp);
}
else
{
It->UnMark(OBJECTMARK_TagExp);
}
}
// Add to the list of referenced assets.
FFindAssetsArchive( Object, LocalReferencers.Last().AssetList, NULL, /*MaxRecursion=*/0, /*bIncludeClasses=*/true, bIncludeDefaultRefs );
ReferencedAssets = LocalReferencers.Last().AssetList;
}
void BuildReferencingData()
{
MarkAllObjects();
FReferencedAssets* Referencer = new(Referencers) FReferencedAssets(GWorld);
const int32 MaxRecursionDepth = 0;
const bool bIncludeClasses = true;
const bool bIncludeDefaults = false;
const bool bReverseReferenceGraph = true;
// Generate the reference graph for GWorld
FFindAssetsArchive(GWorld, Referencer->AssetList, &ReferenceGraph, MaxRecursionDepth, bIncludeClasses, bIncludeDefaults, bReverseReferenceGraph);
}
/**
* Builds a list of assets to display from the currently selected actors.
* NOTE: It ignores assets that are there because they are always loaded
* such as default materials, textures, etc.
*/
void BuildAssetList(UWorld* InWorld, int32 Depth, bool bShowDefault, bool bShowScript)
{
// Clear the old list
Referencers.Empty();
ReferenceGraph.Empty();
ObjectNameCache.Empty();
TArray<UObject*> BspMats;
// Search all BSP surfaces for ones that are selected and add their
// Materials to a temp list
for (int32 Index = 0; Index < InWorld->GetModel()->Surfs.Num(); Index++)
{
// Only add materials that are selected
if (InWorld->GetModel()->Surfs[Index].PolyFlags & PF_Selected)
{
// No point showing the default material
if (InWorld->GetModel()->Surfs[Index].Material != NULL)
{
BspMats.AddUnique(InWorld->GetModel()->Surfs[Index].Material);
}
}
}
// If any BSP surfaces are selected
if (BspMats.Num() > 0)
{
FReferencedAssets* Referencer = new(Referencers) FReferencedAssets(InWorld->GetModel());
// Now copy the array
Referencer->AssetList = BspMats;
ReferenceGraph.Add(InWorld->GetModel(), BspMats);
}
// This is the maximum depth to use when searching for references
const int32 MaxRecursionDepth = Depth;
USelection* ActorSelection = GEditor->GetSelectedActors();
// Mark all objects so we don't get into an endless recursion
for (FObjectIterator It; It; ++It)
{
// Skip the level, world, and any packages that should be ignored
if (ShouldSearchForAssets(*It, IgnoreClasses, IgnorePackages, bShowDefault))
{
It->Mark(OBJECTMARK_TagExp);
}
else
{
It->UnMark(OBJECTMARK_TagExp);
}
}
TArray<AActor*> SelectedActors;
// Get the list of currently selected actors
ActorSelection->GetSelectedObjects<AActor>(SelectedActors);
// Build the list of assets from the set of selected actors
for (int32 Index = 0; Index < SelectedActors.Num(); Index++)
{
// Set the flag for the selected item, as it could have actually been cleared by an
// earlier selected object, which would result in a crash later
SelectedActors[Index]->Mark(OBJECTMARK_TagExp);
// Create a new entry for this actor
FReferencedAssets* Referencer = new(Referencers) FReferencedAssets(SelectedActors[Index]);
// Add to the list of referenced assets
FFindAssetsArchive(SelectedActors[Index], Referencer->AssetList, &ReferenceGraph, MaxRecursionDepth, bShowScript, bShowDefault);
}
// Rebuild the name cache
for (int32 RefIndex = 0; RefIndex < Referencers.Num(); RefIndex++)
{
FReferencedAssets& Referencer = Referencers[RefIndex];
if (!ObjectNameCache.Contains(Referencer.Referencer))
{
ObjectNameCache.Add(Referencer.Referencer, *Referencer.Referencer->GetName());
}
for (int32 AssetIndex = 0; AssetIndex < Referencer.AssetList.Num(); AssetIndex++)
{
if (!ObjectNameCache.Contains(Referencer.AssetList[AssetIndex]))
{
ObjectNameCache.Add(Referencer.AssetList[AssetIndex], *Referencer.AssetList[AssetIndex]->GetName());
}
}
}
}