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> Unreal Engine API Reference > Runtime > Engine > Engine > UEngine > PrepareMapChange > UEngine::PrepareMapChange

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UEngine::PrepareMapChange

Prepares the engine for a map change by pre-loading level packages in the background.

Windows

MacOS

Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Engine/Engine.h
Include	#include "Engine/Engine.h"
Source	/Engine/Source/Runtime/Engine/Private/UnrealEngine.cpp

Syntax

bool PrepareMapChange
(
FWorldContext & WorldContext,
const TArray< FName > & LevelNames
)

Remarks

Prepares the engine for a map change by pre-loading level packages in the background.

Returns

true if all packages were in the package file cache and the operation succeeded, false otherwise. false as a return value also indicates that the code has given up.

Parameters

Parameter	Description
LevelNames	Array of levels to load in the background; the first level in this list is assumed to be the new "persistent" one.

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