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b5a87c3f96
#rb richard.malo, jeanfrancois.dube [CL 14178187 by Patrick Enfedaque in ue5-main branch]
672 lines
24 KiB
C++
672 lines
24 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "LevelInstanceEditorModule.h"
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#include "LevelInstanceActorDetails.h"
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#include "LevelInstance/LevelInstanceSubsystem.h"
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#include "LevelInstance/LevelInstanceActor.h"
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#include "LevelInstanceEditorSettings.h"
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#include "ToolMenus.h"
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#include "Editor.h"
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#include "LevelEditorMenuContext.h"
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#include "ContentBrowserMenuContexts.h"
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#include "ContentBrowserModule.h"
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#include "IContentBrowserSingleton.h"
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#include "LevelEditor.h"
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#include "Engine/Selection.h"
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#include "PropertyEditorModule.h"
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#include "EditorLevelUtils.h"
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#include "Modules/ModuleManager.h"
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#include "Misc/MessageDialog.h"
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#include "NewLevelDialogModule.h"
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#include "Interfaces/IMainFrameModule.h"
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#include "Editor/EditorEngine.h"
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#include "AssetToolsModule.h"
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#include "IAssetTools.h"
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#include "Factories/BlueprintFactory.h"
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#include "ClassViewerModule.h"
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#include "ClassViewerFilter.h"
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#include "Kismet2/BlueprintEditorUtils.h"
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#include "Misc/ScopeExit.h"
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#include "Widgets/Input/SNumericEntryBox.h"
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IMPLEMENT_MODULE( FLevelInstanceEditorModule, LevelInstanceEditor );
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#define LOCTEXT_NAMESPACE "LevelInstanceEditor"
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namespace LevelInstanceMenuUtils
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{
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FToolMenuSection& CreateLevelInstanceSection(UToolMenu* Menu)
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{
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FToolMenuSection& Section = Menu->FindOrAddSection(TEXT("LevelInstance"));
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Section.Label = LOCTEXT("LevelInstance", "Level Instance");
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return Section;
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}
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void CreateEditSubMenu(UToolMenu* Menu, TArray<ALevelInstance*> LevelInstanceHierarchy, AActor* ContextActor)
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{
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FToolMenuSection& Section = Menu->AddSection(NAME_None, LOCTEXT("LevelInstanceContextEditSection", "Context"));
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for (ALevelInstance* LevelInstanceActor : LevelInstanceHierarchy)
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{
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FToolUIAction LevelInstanceEditAction;
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FText EntryDesc = LOCTEXT("LevelInstanceEditSubMenuEntry","");
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const bool bCanEdit = LevelInstanceActor->CanEdit(&EntryDesc);
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LevelInstanceEditAction.ExecuteAction.BindLambda([LevelInstanceActor, ContextActor](const FToolMenuContext&)
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{
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LevelInstanceActor->Edit(ContextActor);
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});
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LevelInstanceEditAction.CanExecuteAction.BindLambda([bCanEdit](const FToolMenuContext&)
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{
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return bCanEdit;
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});
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const FText EntryLabel = FText::Format(LOCTEXT("LevelInstanceName", "{0}:{1}"), FText::FromString(LevelInstanceActor->GetName()), FText::FromString(LevelInstanceActor->GetWorldAssetPackage()));
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Section.AddMenuEntry(NAME_None, EntryLabel, EntryDesc, FSlateIcon(), LevelInstanceEditAction);
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}
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}
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void CreateCommitSubMenu(UToolMenu* Menu, TArray<ALevelInstance*> LevelInstanceEdits, ALevelInstance* ContextLevelInstance)
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{
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FText OtherSectionLabel = LOCTEXT("LevelInstanceOtherCommitSection", "Other(s)");
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FToolMenuSection* Section = &Menu->AddSection("LevelInstanceContextCommitSection", ContextLevelInstance != nullptr? LOCTEXT("LevelInstanceContextCommitSection", "Context") : OtherSectionLabel);
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for (ALevelInstance* LevelInstanceActor : LevelInstanceEdits)
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{
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FText EntryDesc = LOCTEXT("LevelInstanceEditSubMenuEntry", "");
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const bool bCanCommit = LevelInstanceActor->CanCommit(&EntryDesc);
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FToolUIAction LevelInstanceEditAction;
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LevelInstanceEditAction.ExecuteAction.BindLambda([LevelInstanceActor](const FToolMenuContext&)
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{
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LevelInstanceActor->Commit();
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});
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LevelInstanceEditAction.CanExecuteAction.BindLambda([bCanCommit](const FToolMenuContext&)
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{
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return bCanCommit;
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});
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const FText EntryLabel = FText::Format(LOCTEXT("LevelInstanceName", "{0}:{1}"), FText::FromString(LevelInstanceActor->GetName()), FText::FromString(LevelInstanceActor->GetWorldAssetPackage()));
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Section->AddMenuEntry(NAME_None, EntryLabel, EntryDesc, FSlateIcon(), LevelInstanceEditAction);
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if (ContextLevelInstance == LevelInstanceActor && LevelInstanceEdits.Num() > 1)
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{
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Section = &Menu->AddSection(FName("LevelInstanceOtherCommitSection"), OtherSectionLabel);
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}
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}
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}
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void CreateSetCurrentSubMenu(UToolMenu* Menu, TArray<ALevelInstance*> LevelInstanceEdits, ALevelInstance* ContextLevelInstance)
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{
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FText OtherSectionLabel = LOCTEXT("LevelInstanceOtherSetCurrentSection", "Other(s)");
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FToolMenuSection* Section = &Menu->AddSection(FName("LevelInstanceContextSetCurrentSection"), ContextLevelInstance != nullptr? LOCTEXT("LevelInstanceContextSetCurrentSection", "Context") : OtherSectionLabel);
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for (ALevelInstance* LevelInstanceActor : LevelInstanceEdits)
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{
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FToolUIAction LevelInstanceSetCurrentAction;
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LevelInstanceSetCurrentAction.ExecuteAction.BindLambda([LevelInstanceActor](const FToolMenuContext&)
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{
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LevelInstanceActor->SetCurrent();
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});
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const FText EntryLabel = FText::Format(LOCTEXT("LevelInstanceName", "{0}:{1}"), FText::FromString(LevelInstanceActor->GetName()), FText::FromString(LevelInstanceActor->GetWorldAssetPackage()));
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Section->AddMenuEntry(NAME_None, EntryLabel, TAttribute<FText>(), FSlateIcon(), LevelInstanceSetCurrentAction);
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if (LevelInstanceActor == ContextLevelInstance && LevelInstanceEdits.Num() > 1)
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{
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Section = &Menu->AddSection(FName("LevelInstanceOtherSetCurrentSection"), OtherSectionLabel);
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}
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}
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}
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void MoveSelectionToLevelInstance(ALevelInstance* DestinationLevelInstance)
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{
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = DestinationLevelInstance->GetLevelInstanceSubsystem())
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{
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TArray<AActor*> ActorsToMove;
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ActorsToMove.Reserve(GEditor->GetSelectedActorCount());
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for (FSelectionIterator It(GEditor->GetSelectedActorIterator()); It; ++It)
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{
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if (AActor* Actor = Cast<AActor>(*It))
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{
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ActorsToMove.Add(Actor);
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}
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}
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LevelInstanceSubsystem->MoveActorsTo(DestinationLevelInstance, ActorsToMove);
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}
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}
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void CreateMoveSelectionToSubMenu(UToolMenu* Menu, TArray<ALevelInstance*> LevelInstanceEdits)
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{
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FToolMenuSection* Section = &Menu->AddSection(NAME_None);
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for (ALevelInstance* LevelInstanceActor : LevelInstanceEdits)
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{
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FToolUIAction LevelInstanceMoveSelectionAction;
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LevelInstanceMoveSelectionAction.ExecuteAction.BindLambda([LevelInstanceActor](const FToolMenuContext&)
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{
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MoveSelectionToLevelInstance(LevelInstanceActor);
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});
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const FText EntryLabel = FText::Format(LOCTEXT("LevelInstanceName", "{0}:{1}"), FText::FromString(LevelInstanceActor->GetName()), FText::FromString(LevelInstanceActor->GetWorldAssetPackage()));
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Section->AddMenuEntry(NAME_None, EntryLabel, TAttribute<FText>(), FSlateIcon(), LevelInstanceMoveSelectionAction);
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}
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}
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void CreateEditMenu(UToolMenu* Menu, AActor* ContextActor)
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{
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = ContextActor->GetWorld()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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TArray<ALevelInstance*> LevelInstanceHierarchy;
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LevelInstanceSubsystem->ForEachLevelInstanceAncestorsAndSelf(ContextActor, [&LevelInstanceHierarchy](ALevelInstance* AncestorLevelInstance)
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{
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LevelInstanceHierarchy.Add(AncestorLevelInstance);
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return true;
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});
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if (LevelInstanceHierarchy.Num() > 0)
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{
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FToolMenuSection& Section = CreateLevelInstanceSection(Menu);
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Section.AddSubMenu(
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"EditLevelInstances",
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LOCTEXT("EditLevelInstances", "Edit"),
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TAttribute<FText>(),
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FNewToolMenuDelegate::CreateStatic(&CreateEditSubMenu, MoveTemp(LevelInstanceHierarchy), ContextActor)
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);
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}
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}
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}
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void CreateCommitMenu(UToolMenu* Menu, AActor* ContextActor)
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{
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ALevelInstance* ContextLevelInstance = nullptr;
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TArray<ALevelInstance*> LevelInstanceEdits;
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if (ContextActor)
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{
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = ContextActor->GetWorld()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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LevelInstanceSubsystem->ForEachLevelInstanceAncestorsAndSelf(ContextActor, [&ContextLevelInstance,&LevelInstanceEdits](ALevelInstance* LevelInstanceActor)
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{
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if (LevelInstanceActor->IsEditing())
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{
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ContextLevelInstance = LevelInstanceActor;
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LevelInstanceEdits.Add(ContextLevelInstance);
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return false;
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}
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return true;
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});
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}
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}
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = GEditor->GetEditorWorldContext().World()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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LevelInstanceSubsystem->ForEachLevelInstanceEdit([&LevelInstanceEdits, ContextLevelInstance](ALevelInstance* LevelInstanceActor)
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{
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if (ContextLevelInstance != LevelInstanceActor)
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{
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LevelInstanceEdits.Add(LevelInstanceActor);
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}
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return true;
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});
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}
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if (LevelInstanceEdits.Num() > 0)
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{
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FToolMenuSection& Section = CreateLevelInstanceSection(Menu);
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Section.AddSubMenu(
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"CommitLevelInstances",
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LOCTEXT("CommitLevelInstances", "Commit"),
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TAttribute<FText>(),
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FNewToolMenuDelegate::CreateStatic(&CreateCommitSubMenu, MoveTemp(LevelInstanceEdits), ContextLevelInstance)
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);
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}
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}
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void CreateSetCurrentMenu(UToolMenu* Menu, AActor* ContextActor)
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{
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ALevelInstance* ContextLevelInstance = nullptr;
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TArray<ALevelInstance*> LevelInstanceEdits;
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if (ContextActor)
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{
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = ContextActor->GetWorld()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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LevelInstanceSubsystem->ForEachLevelInstanceAncestorsAndSelf(ContextActor, [&ContextLevelInstance,&LevelInstanceEdits](ALevelInstance* LevelInstanceActor)
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{
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if (LevelInstanceActor->IsEditing())
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{
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if (!LevelInstanceActor->IsCurrent())
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{
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ContextLevelInstance = LevelInstanceActor;
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LevelInstanceEdits.Add(ContextLevelInstance);
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}
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return false;
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}
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return true;
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});
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}
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}
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = GEditor->GetEditorWorldContext().World()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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LevelInstanceSubsystem->ForEachLevelInstanceEdit([&LevelInstanceEdits, ContextLevelInstance](ALevelInstance* LevelInstanceActor)
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{
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if (ContextLevelInstance != LevelInstanceActor && !LevelInstanceActor->IsCurrent())
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{
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LevelInstanceEdits.Add(LevelInstanceActor);
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}
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return true;
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});
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}
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if (LevelInstanceEdits.Num() > 0)
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{
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FToolMenuSection& Section = CreateLevelInstanceSection(Menu);
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Section.AddSubMenu(
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"SetCurrentLevelInstances",
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LOCTEXT("SetCurrentLevelInstances", "Set Current"),
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TAttribute<FText>(),
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FNewToolMenuDelegate::CreateStatic(&CreateSetCurrentSubMenu, MoveTemp(LevelInstanceEdits), ContextLevelInstance)
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);
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}
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}
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void CreateMoveSelectionToMenu(UToolMenu* Menu)
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{
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if (GEditor->GetSelectedActorCount() > 0)
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{
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TArray<ALevelInstance*> LevelInstanceEdits;
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = GEditor->GetEditorWorldContext().World()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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LevelInstanceSubsystem->ForEachLevelInstanceEdit([&LevelInstanceEdits](ALevelInstance* LevelInstanceActor)
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{
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LevelInstanceEdits.Add(LevelInstanceActor);
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return true;
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});
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}
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if (LevelInstanceEdits.Num() > 0)
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{
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FToolMenuSection& Section = CreateLevelInstanceSection(Menu);
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Section.AddSubMenu(
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"MoveSelectionToLevelInstances",
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LOCTEXT("MoveSelectionToLevelInstances", "Move Selection to"),
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TAttribute<FText>(),
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FNewToolMenuDelegate::CreateStatic(&CreateMoveSelectionToSubMenu, MoveTemp(LevelInstanceEdits))
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);
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}
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}
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}
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void CreateLevelInstanceFromSelection(ULevelInstanceSubsystem* LevelInstanceSubsystem)
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{
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TArray<AActor*> ActorsToMove;
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ActorsToMove.Reserve(GEditor->GetSelectedActorCount());
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for (FSelectionIterator It(GEditor->GetSelectedActorIterator()); It; ++It)
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{
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if (AActor* Actor = Cast<AActor>(*It))
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{
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ActorsToMove.Add(Actor);
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}
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}
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IMainFrameModule& MainFrameModule = FModuleManager::GetModuleChecked<IMainFrameModule>("MainFrame");
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FNewLevelDialogModule& NewLevelDialogModule = FModuleManager::LoadModuleChecked<FNewLevelDialogModule>("NewLevelDialog");
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FString TemplateMapPackage;
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if (!GetMutableDefault<ULevelInstanceEditorSettings>()->TemplateMapInfos.Num() || NewLevelDialogModule.CreateAndShowTemplateDialog(MainFrameModule.GetParentWindow(), LOCTEXT("LevelInstanceTemplateDialog", "Choose Level Instance Template..."), GetMutableDefault<ULevelInstanceEditorSettings>()->TemplateMapInfos, TemplateMapPackage))
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{
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UPackage* TemplatePackage = !TemplateMapPackage.IsEmpty() ? LoadPackage(nullptr, *TemplateMapPackage, LOAD_None) : nullptr;
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UWorld* TemplateWorld = TemplatePackage ? UWorld::FindWorldInPackage(TemplatePackage) : nullptr;
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if (!LevelInstanceSubsystem->CreateLevelInstanceFrom(ActorsToMove, TemplateWorld))
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{
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FText Title = LOCTEXT("CreateFromSelectionFailTitle", "Create from selection failed");
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FMessageDialog::Open(EAppMsgType::Ok, LOCTEXT("CreateFromSelectionFailMsg", "Failed to create LevelInstance from selection. Check log for details."), &Title);
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}
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}
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}
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void CreateCreateMenu(UToolMenu* Menu)
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{
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = GEditor->GetEditorWorldContext().World()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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FToolMenuSection& Section = CreateLevelInstanceSection(Menu);
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FToolUIAction UIAction;
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UIAction.ExecuteAction.BindLambda([LevelInstanceSubsystem](const FToolMenuContext& MenuContext)
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{
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CreateLevelInstanceFromSelection(LevelInstanceSubsystem);
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});
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UIAction.CanExecuteAction.BindLambda([](const FToolMenuContext& MenuContext)
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{
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return GEditor->GetSelectedActorCount() > 0;
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});
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Section.AddMenuEntry(
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"CreateLevelInstanceFromSelection",
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LOCTEXT("CreateLevelInstanceFromSelection", "Create from selection"),
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TAttribute<FText>(),
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TAttribute<FSlateIcon>(),
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UIAction);
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}
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}
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void CreateSaveAsMenu(UToolMenu* Menu, AActor* ContextActor)
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{
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ALevelInstance* ContextLevelInstance = nullptr;
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if (ContextActor)
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{
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = ContextActor->GetWorld()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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LevelInstanceSubsystem->ForEachLevelInstanceAncestorsAndSelf(ContextActor, [&ContextLevelInstance](ALevelInstance* LevelInstanceActor)
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{
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if (LevelInstanceActor->IsEditing())
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{
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ContextLevelInstance = LevelInstanceActor;
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return false;
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}
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return true;
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});
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}
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}
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if (ContextLevelInstance)
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{
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FToolMenuSection& Section = CreateLevelInstanceSection(Menu);
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FText EntryDesc = LOCTEXT("LevelInstanceEditSubMenuEntry", "");
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const bool bCanCommit = ContextLevelInstance->CanCommit(&EntryDesc);
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FToolUIAction SaveAction;
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SaveAction.ExecuteAction.BindLambda([ContextLevelInstance](const FToolMenuContext& MenuContext)
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{
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ContextLevelInstance->SaveAs();
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});
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SaveAction.CanExecuteAction.BindLambda([bCanCommit](const FToolMenuContext& MenuContext)
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{
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return bCanCommit;
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});
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Section.AddMenuEntry(
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"SaveLevelInstanceAs",
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LOCTEXT("SaveLevelInstanceAs", "Save Level as..."),
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TAttribute<FText>(),
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TAttribute<FSlateIcon>(),
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SaveAction);
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}
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}
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void CreateBreakSubMenu(UToolMenu* Menu, ALevelInstance* ContextLevelInstance)
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{
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static int32 BreakLevels = 1;
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check(ContextLevelInstance);
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = ContextLevelInstance->GetWorld()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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FToolMenuSection& Section = Menu->AddSection(NAME_None, LOCTEXT("LevelInstanceBreakSection", "Break Level Instance"));
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TSharedRef<SWidget> MenuWidget =
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SNew(SVerticalBox)
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+SVerticalBox::Slot()
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[
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SNew(SHorizontalBox)
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+ SHorizontalBox::Slot()
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[
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SNew(SNumericEntryBox<int32>)
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.MinValue(1)
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.Value_Lambda([]() { return BreakLevels; })
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.OnValueChanged_Lambda([](int32 InValue) { BreakLevels = InValue; })
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.LabelPadding(0)
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.Label()
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[
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SNumericEntryBox<int32>::BuildLabel(LOCTEXT("BreakLevelsLabel", "Levels"), FLinearColor::White, SNumericEntryBox<int32>::BlueLabelBackgroundColor)
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]
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]
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]
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+SVerticalBox::Slot()
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.VAlign(VAlign_Center)
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.HAlign(HAlign_Center)
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.Padding(0, 5, 0, 0)
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[
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SNew(SButton)
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.HAlign(HAlign_Center)
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.ContentPadding(FEditorStyle::GetMargin("StandardDialog.ContentPadding"))
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.OnClicked_Lambda([ContextLevelInstance, LevelInstanceSubsystem]() {LevelInstanceSubsystem->BreakLevelInstance(ContextLevelInstance, BreakLevels); return FReply::Handled(); })
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.Text(LOCTEXT("BreakLevelInstances_BreakLevelInstanceButton", "Break Level Instance"))
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];
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Section.AddEntry(FToolMenuEntry::InitWidget("SetBreakLevels", MenuWidget, FText::GetEmpty(), false));
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}
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}
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void CreateBreakMenu(UToolMenu* Menu, AActor* ContextActor)
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{
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check(ContextActor);
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if (ULevelInstanceSubsystem* LevelInstanceSubsystem = ContextActor->GetWorld()->GetSubsystem<ULevelInstanceSubsystem>())
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{
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ALevelInstance* ContextLevelInstance = nullptr;
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// Find the top level LevelInstance
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LevelInstanceSubsystem->ForEachLevelInstanceAncestorsAndSelf(ContextActor, [LevelInstanceSubsystem, ContextActor, &ContextLevelInstance](ALevelInstance* Ancestor)
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{
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if (Ancestor->GetLevel() == ContextActor->GetWorld()->GetCurrentLevel())
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{
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ContextLevelInstance = Ancestor;
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return false;
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}
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return true;
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});
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if (ContextLevelInstance && !ContextLevelInstance->IsEditing())
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{
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FToolMenuSection& Section = CreateLevelInstanceSection(Menu);
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Section.AddSubMenu(
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"BreakLevelInstances",
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LOCTEXT("BreakLevelInstances", "Break..."),
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TAttribute<FText>(),
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FNewToolMenuDelegate::CreateStatic(&CreateBreakSubMenu, ContextLevelInstance)
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);
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}
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}
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}
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class FLevelInstanceClassFilter : public IClassViewerFilter
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{
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public:
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virtual bool IsClassAllowed(const FClassViewerInitializationOptions& InInitOptions, const UClass* InClass, TSharedRef< FClassViewerFilterFuncs > InFilterFuncs) override
|
|
{
|
|
return InClass && InClass->IsChildOf(ALevelInstance::StaticClass()) && !InClass->HasAnyClassFlags(CLASS_Deprecated);
|
|
}
|
|
|
|
virtual bool IsUnloadedClassAllowed(const FClassViewerInitializationOptions& InInitOptions, const TSharedRef< const IUnloadedBlueprintData > InUnloadedClassData, TSharedRef< FClassViewerFilterFuncs > InFilterFuncs) override
|
|
{
|
|
return InUnloadedClassData->IsChildOf(ALevelInstance::StaticClass()) && !InUnloadedClassData->HasAnyClassFlags(CLASS_Deprecated);
|
|
}
|
|
};
|
|
|
|
void CreateBlueprintFromWorld(UWorld* WorldAsset)
|
|
{
|
|
TSoftObjectPtr<UWorld> LevelInstancePtr(WorldAsset);
|
|
|
|
int32 LastSlashIndex = 0;
|
|
FString LongPackageName = LevelInstancePtr.GetLongPackageName();
|
|
LongPackageName.FindLastChar('/', LastSlashIndex);
|
|
|
|
FString PackagePath = LongPackageName.Mid(0, LastSlashIndex == INDEX_NONE ? MAX_int32 : LastSlashIndex);
|
|
FString AssetName = LevelInstancePtr.GetAssetName() + "_LevelInstance";
|
|
IAssetTools& AssetTools = FAssetToolsModule::GetModule().Get();
|
|
|
|
UBlueprintFactory* BlueprintFactory = NewObject<UBlueprintFactory>();
|
|
BlueprintFactory->AddToRoot();
|
|
BlueprintFactory->OnConfigurePropertiesDelegate.BindLambda([](FClassViewerInitializationOptions* Options)
|
|
{
|
|
Options->bShowDefaultClasses = false;
|
|
Options->bIsBlueprintBaseOnly = false;
|
|
Options->InitiallySelectedClass = ALevelInstance::StaticClass();
|
|
Options->bIsActorsOnly = true;
|
|
Options->ClassFilter = MakeShareable(new FLevelInstanceClassFilter);
|
|
});
|
|
ON_SCOPE_EXIT
|
|
{
|
|
BlueprintFactory->OnConfigurePropertiesDelegate.Unbind();
|
|
BlueprintFactory->RemoveFromRoot();
|
|
};
|
|
|
|
if (UBlueprint* NewBlueprint = Cast<UBlueprint>(AssetTools.CreateAssetWithDialog(AssetName, PackagePath, UBlueprint::StaticClass(), BlueprintFactory, FName("Create LevelInstance Blueprint"))))
|
|
{
|
|
ALevelInstance* CDO = CastChecked<ALevelInstance>(NewBlueprint->GeneratedClass->GetDefaultObject());
|
|
CDO->SetWorldAsset(LevelInstancePtr);
|
|
FBlueprintEditorUtils::MarkBlueprintAsModified(NewBlueprint);
|
|
|
|
FContentBrowserModule& ContentBrowserModule = FModuleManager::LoadModuleChecked<FContentBrowserModule>("ContentBrowser");
|
|
TArray<UObject*> Assets;
|
|
Assets.Add(NewBlueprint);
|
|
ContentBrowserModule.Get().SyncBrowserToAssets(Assets);
|
|
}
|
|
}
|
|
|
|
void CreateBlueprintFromMenu(UToolMenu* Menu, UWorld* WorldAsset)
|
|
{
|
|
FToolMenuSection& Section = CreateLevelInstanceSection(Menu);
|
|
FToolUIAction UIAction;
|
|
UIAction.ExecuteAction.BindLambda([WorldAsset](const FToolMenuContext& MenuContext)
|
|
{
|
|
CreateBlueprintFromWorld(WorldAsset);
|
|
});
|
|
|
|
Section.AddMenuEntry(
|
|
"CreateLevelInstanceBlueprint",
|
|
LOCTEXT("CreateLevelInstanceBlueprint", "New Blueprint..."),
|
|
TAttribute<FText>(),
|
|
TAttribute<FSlateIcon>(),
|
|
UIAction);
|
|
}
|
|
};
|
|
|
|
void FLevelInstanceEditorModule::StartupModule()
|
|
{
|
|
ExtendContextMenu();
|
|
|
|
FPropertyEditorModule& PropertyModule = FModuleManager::LoadModuleChecked<FPropertyEditorModule>("PropertyEditor");
|
|
PropertyModule.RegisterCustomClassLayout("LevelInstanceActor", FOnGetDetailCustomizationInstance::CreateStatic(&FLevelInstanceActorDetails::MakeInstance));
|
|
PropertyModule.NotifyCustomizationModuleChanged();
|
|
|
|
// GEditor needs to be set before this module is loaded
|
|
check(GEditor);
|
|
GEditor->OnLevelActorDeleted().AddRaw(this, &FLevelInstanceEditorModule::OnLevelActorDeleted);
|
|
|
|
EditorLevelUtils::CanMoveActorToLevelDelegate.AddRaw(this, &FLevelInstanceEditorModule::CanMoveActorToLevel);
|
|
|
|
FLevelEditorModule& LevelEditorModule = FModuleManager::LoadModuleChecked<FLevelEditorModule>("LevelEditor");
|
|
LevelEditorModule.OnMapChanged().AddRaw(this, &FLevelInstanceEditorModule::OnMapChanged);
|
|
}
|
|
|
|
void FLevelInstanceEditorModule::ShutdownModule()
|
|
{
|
|
if (GEditor)
|
|
{
|
|
GEditor->OnLevelActorDeleted().RemoveAll(this);
|
|
}
|
|
|
|
EditorLevelUtils::CanMoveActorToLevelDelegate.RemoveAll(this);
|
|
|
|
if (FLevelEditorModule* LevelEditorModule = FModuleManager::GetModulePtr<FLevelEditorModule>("LevelEditor"))
|
|
{
|
|
LevelEditorModule->OnMapChanged().RemoveAll(this);
|
|
}
|
|
}
|
|
|
|
void FLevelInstanceEditorModule::OnLevelActorDeleted(AActor* Actor)
|
|
{
|
|
if (ULevelInstanceSubsystem* LevelInstanceSubsystem = Actor->GetWorld()->GetSubsystem<ULevelInstanceSubsystem>())
|
|
{
|
|
LevelInstanceSubsystem->OnActorDeleted(Actor);
|
|
}
|
|
}
|
|
|
|
void FLevelInstanceEditorModule::OnMapChanged(UWorld* World, EMapChangeType MapChangeType)
|
|
{
|
|
// On Map Changed, Users will be asked to save unchanged maps. Once we hit the teardown we need to force
|
|
// LevelInstance Edits to be cancelled. If they are still dirty it means the user decided not to save changes.
|
|
if (World && MapChangeType == EMapChangeType::TearDownWorld)
|
|
{
|
|
if (ULevelInstanceSubsystem* LevelInstanceSubsystem = World->GetSubsystem<ULevelInstanceSubsystem>())
|
|
{
|
|
LevelInstanceSubsystem->DiscardEdits();
|
|
}
|
|
}
|
|
}
|
|
|
|
void FLevelInstanceEditorModule::CanMoveActorToLevel(const AActor* ActorToMove, const ULevel* DestLevel, bool& bOutCanMove)
|
|
{
|
|
if (UWorld* World = ActorToMove->GetWorld())
|
|
{
|
|
if (ULevelInstanceSubsystem* LevelInstanceSubsystem = World->GetSubsystem<ULevelInstanceSubsystem>())
|
|
{
|
|
if (!LevelInstanceSubsystem->CanMoveActorToLevel(ActorToMove))
|
|
{
|
|
bOutCanMove = false;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void FLevelInstanceEditorModule::ExtendContextMenu()
|
|
{
|
|
if (UToolMenu* Menu = UToolMenus::Get()->ExtendMenu("LevelEditor.ActorContextMenu"))
|
|
{
|
|
FToolMenuSection& Section = Menu->AddDynamicSection("ActorLevelInstance", FNewToolMenuDelegate::CreateLambda([this](UToolMenu* ToolMenu)
|
|
{
|
|
if (ToolMenu)
|
|
{
|
|
if (ULevelEditorContextMenuContext* LevelEditorMenuContext = ToolMenu->Context.FindContext<ULevelEditorContextMenuContext>())
|
|
{
|
|
AActor* ContextActor = LevelEditorMenuContext->HitProxyActor;
|
|
if (!ContextActor && GEditor->GetSelectedActorCount() == 1)
|
|
{
|
|
ContextActor = Cast<AActor>(GEditor->GetSelectedActors()->GetSelectedObject(0));
|
|
}
|
|
|
|
if (ContextActor)
|
|
{
|
|
LevelInstanceMenuUtils::CreateEditMenu(ToolMenu, ContextActor);
|
|
LevelInstanceMenuUtils::CreateCommitMenu(ToolMenu, ContextActor);
|
|
LevelInstanceMenuUtils::CreateSaveAsMenu(ToolMenu, ContextActor);
|
|
LevelInstanceMenuUtils::CreateBreakMenu(ToolMenu, ContextActor);
|
|
}
|
|
|
|
LevelInstanceMenuUtils::CreateSetCurrentMenu(ToolMenu, ContextActor);
|
|
LevelInstanceMenuUtils::CreateMoveSelectionToMenu(ToolMenu);
|
|
LevelInstanceMenuUtils::CreateCreateMenu(ToolMenu);
|
|
}
|
|
}
|
|
}), FToolMenuInsert(NAME_None, EToolMenuInsertType::First));
|
|
}
|
|
|
|
if (UToolMenu* WorldAssetMenu = UToolMenus::Get()->ExtendMenu("ContentBrowser.AssetContextMenu.World"))
|
|
{
|
|
FToolMenuSection& Section = WorldAssetMenu->AddDynamicSection("ActorLevelInstance", FNewToolMenuDelegate::CreateLambda([this](UToolMenu* ToolMenu)
|
|
{
|
|
if (ToolMenu)
|
|
{
|
|
if (UContentBrowserAssetContextMenuContext* AssetMenuContext = ToolMenu->Context.FindContext<UContentBrowserAssetContextMenuContext>())
|
|
{
|
|
if (AssetMenuContext->SelectedObjects.Num() != 1)
|
|
{
|
|
return;
|
|
}
|
|
// World is already loaded by the AssetContextMenu code
|
|
if (UWorld* WorldAsset = Cast<UWorld>(AssetMenuContext->SelectedObjects[0].Get()))
|
|
{
|
|
LevelInstanceMenuUtils::CreateBlueprintFromMenu(ToolMenu, WorldAsset);
|
|
}
|
|
}
|
|
}
|
|
}), FToolMenuInsert(NAME_None, EToolMenuInsertType::Default));
|
|
}
|
|
|
|
}
|
|
|
|
#undef LOCTEXT_NAMESPACE
|
|
|