bool IsAnySurfaceSelected( UWorld* InWorld )
{
UWorld* World = InWorld;
if (!World)
{
World = GWorld; // Fallback to GWorld
}
if (World)
{
const int32 NumLevels = World->GetNumLevels();
for (int32 LevelIndex = 0; LevelIndex < NumLevels; LevelIndex++)
{
ULevel* Level = World->GetLevel(LevelIndex);
UModel* Model = Level->Model;
check(Model);
const int32 NumSurfaces = Model->Surfs.Num();
// Count the number of selected surfaces
for (int32 Surface = 0; Surface < NumSurfaces; ++Surface)
{
FBspSurf *Poly = &Model->Surfs[Surface];
if (Poly->PolyFlags & PF_Selected)
{
return true;
}
}
}
}
return false;
}
/** Generates a sub-level Blueprints sub-menu */
static void MakeSubLevelsMenu(FMenuBuilder& InMenuBuilder, TWeakPtr< SLevelEditor > InLvlEditor)
{
FSlateIcon EditBP(FEditorStyle::Get().GetStyleSetName(), TEXT("LevelEditor.OpenLevelBlueprint"));
InMenuBuilder.BeginSection(NAME_None, LOCTEXT("SubLevelsHeading", "Sub-Level Blueprints"));
{
UWorld* World = InLvlEditor.Pin()->GetWorld();
for (int32 iLevel = 0; iLevel < World->GetNumLevels(); iLevel++)
{
ULevel* Level = World->GetLevel(iLevel);
if (Level != NULL && Level->GetOutermost() != NULL)
{
if (!Level->IsPersistentLevel())
{
FUIAction UIAction
(
FExecuteAction::CreateStatic(&FLevelEditorToolBar::OnOpenSubLevelBlueprint, Level)
);
FText DisplayName = FText::Format(LOCTEXT("SubLevelBlueprintItem", "Edit {LevelName}"), FText::FromString(FPaths::GetCleanFilename(Level->GetOutermost()->GetName())));
InMenuBuilder.AddMenuEntry(DisplayName, FText::GetEmpty(), EditBP, UIAction);
}
}
}
}
InMenuBuilder.EndSection();
}
/** Restores systems that need references to classes in the renderer module. */
void RestoreReferencesToRendererModuleClasses(
const TMap<UWorld*, bool>& WorldsToUpdate,
const TMap<FMaterialShaderMap*, TScopedPointer<TArray<uint8> > >& ShaderMapToSerializedShaderData,
const TScopedPointer<TArray<uint8> >& GlobalShaderData,
const TMap<FShaderType*, FString>& ShaderTypeNames,
const TMap<FVertexFactoryType*, FString>& VertexFactoryTypeNames)
{
FlushShaderFileCache();
// Initialize cached shader type data
InitializeShaderTypes();
IRendererModule& RendererModule = GetRendererModule();
FSceneViewStateReference::AllocateAll();
// Recreate all renderer scenes
for (TMap<UWorld*, bool>::TConstIterator It(WorldsToUpdate); It; ++It)
{
UWorld* World = It.Key();
RendererModule.AllocateScene(World, World->RequiresHitProxies(), It.Value(), World->FeatureLevel);
for (int32 LevelIndex = 0; LevelIndex < World->GetNumLevels(); LevelIndex++)
{
ULevel* Level = World->GetLevel(LevelIndex);
Level->InitializeRenderingResources();
}
}
// Restore FShaders from the serialized memory blobs
// Shader maps may still not be complete after this due to code changes picked up in the recompile
RestoreGlobalShaderMap(GRHIShaderPlatform_DEPRECATED, *GlobalShaderData);
UMaterial::RestoreMaterialShadersFromMemory(GRHIShaderPlatform_DEPRECATED, ShaderMapToSerializedShaderData);
FMaterialShaderMap::FixupShaderTypes(GRHIShaderPlatform_DEPRECATED, ShaderTypeNames, VertexFactoryTypeNames);
TArray<FShaderType*> OutdatedShaderTypes;
TArray<const FVertexFactoryType*> OutdatedFactoryTypes;
FShaderType::GetOutdatedTypes(OutdatedShaderTypes, OutdatedFactoryTypes);
// Recompile any missing shaders
UMaterialInterface::IterateOverActiveFeatureLevels([&](ERHIFeatureLevel::Type FeatureLevel)
{
auto ShaderPlatform = GShaderPlatformForFeatureLevel[FeatureLevel];
BeginRecompileGlobalShaders(OutdatedShaderTypes, ShaderPlatform);
UMaterial::UpdateMaterialShaders(OutdatedShaderTypes, OutdatedFactoryTypes, ShaderPlatform);
});
// Block on global shader jobs
FinishRecompileGlobalShaders();
}
/** Clears and optionally backs up all references to renderer module classes in other modules, particularly engine. */
void ClearReferencesToRendererModuleClasses(
TMap<UWorld*, bool>& WorldsToUpdate,
TMap<FMaterialShaderMap*, TScopedPointer<TArray<uint8> > >& ShaderMapToSerializedShaderData,
TScopedPointer<TArray<uint8> >& GlobalShaderData,
TMap<FShaderType*, FString>& ShaderTypeNames,
TMap<FVertexFactoryType*, FString>& VertexFactoryTypeNames)
{
// Destroy all renderer scenes
for (TObjectIterator<UWorld> WorldIt; WorldIt; ++WorldIt)
{
UWorld* World = *WorldIt;
if (World->Scene)
{
WorldsToUpdate.Add(World, World->FXSystem != NULL);
for (int32 LevelIndex = 0; LevelIndex < World->GetNumLevels(); LevelIndex++)
{
ULevel* Level = World->GetLevel(LevelIndex);
Level->ReleaseRenderingResources();
}
if (World->FXSystem != NULL)
{
FFXSystemInterface::Destroy(World->FXSystem);
World->FXSystem = NULL;
}
World->Scene->Release();
World->Scene = NULL;
}
}
// Save off shaders by serializing them into memory, and remove all shader map references to FShaders
GlobalShaderData = TScopedPointer<TArray<uint8> >(BackupGlobalShaderMap(GRHIShaderPlatform_DEPRECATED));
UMaterial::BackupMaterialShadersToMemory(ShaderMapToSerializedShaderData);
// Verify no FShaders still in memory
for(TLinkedList<FShaderType*>::TIterator It(FShaderType::GetTypeList()); It; It.Next())
{
FShaderType* ShaderType = *It;
check(ShaderType->GetNumShaders() == 0);
ShaderTypeNames.Add(ShaderType, ShaderType->GetName());
}
for(TLinkedList<FVertexFactoryType*>::TIterator It(FVertexFactoryType::GetTypeList()); It; It.Next())
{
FVertexFactoryType* VertexFactoryType = *It;
VertexFactoryTypeNames.Add(VertexFactoryType, VertexFactoryType->GetName());
}
// Destroy misc renderer module classes and remove references
FSceneViewStateReference::DestroyAll();
FSlateApplication::Get().InvalidateAllViewports();
// Invalidate cached shader type data
UninitializeShaderTypes();
// Delete pending cleanup objects to remove those references, which are potentially renderer module classes
FPendingCleanupObjects* PendingCleanupObjects = GetPendingCleanupObjects();
delete PendingCleanupObjects;
GEngine->EngineLoop->ClearPendingCleanupObjects();
ResetCachedRendererModule();
}