EM_Task/UnrealEd/Private/Tools/EditorToolAssetAPI.cpp

// Copyright Epic Games, Inc. All Rights Reserved.

#include "Tools/EditorToolAssetAPI.h"
#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "Engine/Classes/Engine/World.h"

#include "AssetRegistryModule.h"
#include "AssetToolsModule.h"
#include "FileHelpers.h"

// for content-browser things
#include "ContentBrowserModule.h"
#include "IContentBrowserSingleton.h"

FString FEditorToolAssetAPI::GetActiveAssetFolderPath()
{
    IContentBrowserSingleton& ContentBrowser = FModuleManager::LoadModuleChecked<FContentBrowserModule>("ContentBrowser").Get();
    return ContentBrowser.GetCurrentPath();
}

FString FEditorToolAssetAPI::GetWorldRelativeAssetRootPath(const UWorld* World)
{
    if (ensure(World->GetOutermost() != nullptr) == false)
    {
        return TEXT("/Game/");
    }
    FString WorldPackageName   = World->GetOutermost()->GetName();
    FString WorldPackageFolder = FPackageName::GetLongPackagePath(WorldPackageName);
    return WorldPackageFolder;
}

FString FEditorToolAssetAPI::InteractiveSelectAssetPath(const FString& DefaultAssetName, const FText& DialogTitleMessage)
{
    IContentBrowserSingleton& ContentBrowser = FModuleManager::LoadModuleChecked<FContentBrowserModule>("ContentBrowser").Get();

    FString UseDefaultAssetName              = DefaultAssetName;
    FString CurrentPath                      = GetActiveAssetFolderPath();
    if (CurrentPath.IsEmpty() == false)
    {
        UseDefaultAssetName = MakeUniqueAssetName(CurrentPath, DefaultAssetName);
    }

    FSaveAssetDialogConfig Config;
    Config.DefaultAssetName    = UseDefaultAssetName;
    Config.DialogTitleOverride = DialogTitleMessage;
    Config.DefaultPath         = CurrentPath;
    return ContentBrowser.CreateModalSaveAssetDialog(Config);
}

UPackage* FEditorToolAssetAPI::MakeNewAssetPackage(const FString& FolderPath, const FString& AssetBaseName, FString& UniqueAssetName)
{
    FString UniquePackageName;
    FAssetToolsModule& AssetToolsModule = FModuleManager::LoadModuleChecked<FAssetToolsModule>("AssetTools");
    AssetToolsModule.Get().CreateUniqueAssetName(
        FolderPath + TEXT("/") + AssetBaseName, TEXT(""), UniquePackageName, UniqueAssetName);

    UPackage* AssetPackage = CreatePackage(*UniquePackageName);
    return AssetPackage;
}

FString FEditorToolAssetAPI::MakeUniqueAssetName(const FString& FolderPath, const FString& AssetBaseName)
{
    FString UniquePackageName, UniqueAssetName;
    FAssetToolsModule& AssetToolsModule = FModuleManager::LoadModuleChecked<FAssetToolsModule>("AssetTools");
    AssetToolsModule.Get().CreateUniqueAssetName(
        FolderPath + TEXT("/") + AssetBaseName, TEXT(""), UniquePackageName, UniqueAssetName);
    return UniqueAssetName;
}

void FEditorToolAssetAPI::InteractiveSaveGeneratedAsset(UObject* Asset, UPackage* AssetPackage)
{
    Asset->MarkPackageDirty();
    FAssetRegistryModule::AssetCreated(Asset);

    TArray<UPackage*> PackagesToSave;
    PackagesToSave.Add(AssetPackage);
    bool bCheckDirty   = true;
    bool bPromptToSave = true;
    FEditorFileUtils::PromptForCheckoutAndSave(PackagesToSave, bCheckDirty, bPromptToSave);
}

void FEditorToolAssetAPI::AutoSaveGeneratedAsset(UObject* Asset, UPackage* AssetPackage)
{
    Asset->MarkPackageDirty();
    FAssetRegistryModule::AssetCreated(Asset);

    TArray<UPackage*> PackagesToSave;
    PackagesToSave.Add(AssetPackage);
    bool bCheckDirty   = true;
    bool bPromptToSave = false;
    FEditorFileUtils::PromptForCheckoutAndSave(PackagesToSave, bCheckDirty, bPromptToSave);
}

void FEditorToolAssetAPI::NotifyGeneratedAssetModified(UObject* Asset, UPackage* AssetPackage)
{
    Asset->MarkPackageDirty();
    FAssetRegistryModule::AssetCreated(Asset);
}