1. Epic GamesDeveloper
  3. FEngineLoop

FEngineLoop

Implements the main engine loop.

Unreal Engine C++ API Reference > Runtime > Launch

References

   
Module Launch
Header /Engine/Source/Runtime/Launch/Public/LaunchEngineLoop.h
Include #include "LaunchEngineLoop.h"

Syntax

class FEngineLoop

Remarks

Implements the main engine loop.

Variables

  Type Name Description
Protected variable TArray< float > FrameTimes Holds a dynamically expanding array of frame times in milliseconds (if FApp::IsBenchmarking() is set).
Protected variable uint32 LastFrameCycles Holds the number of cycles in the last frame.
Protected variable uint64 MaxFrameCounter Holds the maximum number of frames to render in benchmarking mode.
Protected variable double MaxTickTime Holds the maximum number of seconds engine should be ticked.
Protected variable double TotalTickTime Holds the total time spent ticking engine.

Constructors

  Type Name Description
Public function   Default constructor.

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Public function Static void

AppExit ()

 Shuts down the application.
Public function Static bool

AppInit ()

 Initializes the application.
Public function Static void Prepares the application for shutdown.
Public function void Clean up PreInit context.
Public function bool Load core modules.
Public function void Load all modules needed before Init.
Public function Static void RHI post-init initialization
Public function int32

PreInit ( const TCHAR* CmdLine
)

 Pre-Initialize the main loop - parse command line, sets up GIsEditor, etc.
Public function int32

PreInit ( int32 ArgC,
TCHAR* ArgV,
const TCHAR* AdditionalCommandline
)

 Pre-Initialize the main loop, and generates the commandline from standard ArgC/ArgV from main().
Public function Static void Pre-init HMD device (if necessary).
Public function int32

PreInitPostStartupScreen ( const TCHAR* CmdLine
)

 Second part of PreInit.
Public function int32

PreInitPreStartupScreen ( const TCHAR* CmdLine
)

 First part of PreInit.

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