1. Epic GamesDeveloper
  3. UNetworkPhysicsComponent

UNetworkPhysicsComponent

Network physics component to add to actors or pawns that control their physic simulation through applying inputs, and should support networking through physics resimulation.

API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Physics

Inheritance Hierarchy

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Public/Physics/NetworkPhysicsComponent.h
Include #include "Physics/NetworkPhysicsComponent.h"

Syntax

UCLASS (BlueprintType, MinimalAPI)  
class UNetworkPhysicsComponent : public UActorComponent

Remarks

Network physics component to add to actors or pawns that control their physic simulation through applying inputs, and should support networking through physics resimulation.

Variables

  Type Name Description
Protected variable UProperty Transient FNetworkPhysicsRewindDataImportantInputProxy ReplicatedImportantInput Replicated important physics input
Protected variable UProperty Transient FNetworkPhysicsRewindDataImportantStateProxy ReplicatedImportantState Replicated important physics state
Protected variable UProperty Transient replicatedusing FNetworkPhysicsRewindDataInputProxy ReplicatedInputs Replicated physics inputs
Protected variable UProperty Transient replicatedusing FNetworkPhysicsRewindDataStateProxy ReplicatedStates Replicated physics states

Constructors

  Type Name Description
Public function    
Public function  

UNetworkPhysicsComponent ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function void Add state/input history to rewind data.
Public function void  
Public function void

CorrectServerToLocalOffset ( const int32 LocalToServerOffset
)

 Correct the player controller Server to local offset based on the received replicated states
Public function void

CreateDataHistory ( UActorComponent* HistoryComponent
)

 Register and create both state and input to be both networked and cached in history
Public function void

CreateDatasHistory ( UActorComponent* HistoryComponent
)

 DEPRECATED UE 5.4
Public function void

CreateInputHistory ( UActorComponent* HistoryComponent
)

 Register and create input history Please use CreateDataHistory() if both input and custom state are supposed to be networked and cached in history.
Public function const float Returns the current amount of input decay during resimulation as a magnitude from 0.0 to 1.0.
Public function TSharedPtr< Chaos::FBaseRewindHistory > &  
Public function TSharedPtr< Chaos::FBaseRewindHistory > & Get the GameThread input history (not guaranteed to be the exact data used in physics, for that use GetInputHistory_Internal on PhysicsThread)
Public function TSharedPtr< Chaos::FBaseRewindHistory > & Get the PhysicsThread input history (if there is none it returns the GameThread history)
Public function TSharedPtr< Chaos::FBaseRewindHistory > &  
Public function Const const bool Check if this is controlled locally through relayed inputs from autonomous proxy.
Public function FAsyncNetworkPhysicsComponent * Get FAsyncNetworkPhysicsComponent on the Physics Thread
Public function Virtual Const APlayerController * Get the player controller.
Public function TSharedPtr< Chaos::FBaseRewindHistory > &  
Public function TSharedPtr< Chaos::FBaseRewindHistory > & Get the GameThread state history (not guaranteed to be the exact data used in physics, for that use GetStateHistory_Internal on PhysicsThread)
Public function TSharedPtr< Chaos::FBaseRewindHistory > & Get the PhysicsThread state history (if there is none it returns the GameThread history)
Public function TSharedPtr< Chaos::FBaseRewindHistory > &  
Public function Const bool Check if the player controller exists and is local
Public function Const bool Check if the world is on server.
Public function void Init the network physics component.
Public function Const bool Check if this is controlled locally through relayed inputs or an existing local player controller.
Protected function UFunction Reliable, NetMulticast void Client RPC to receive important inputs from server.
Protected function UFunction Reliable, NetMulticast void Client RPC to receive important states from server.
Public function void

OnPostProcessInputsInternal ( const int32 PhysicsStep
)

 Delegate linked to the physics rewind callback to send record local inputs/states
Public function void

OnPreProcessInputsInternal ( const int32 PhysicsStep
)

 Delegate linked to the physics rewind callback to send record local inputs/states
Protected function UFunction void Repnotify for the inputs on the client
Protected function UFunction void Repnotify for the states on the client
Public function void Remove state/input history from rewind data.
Public function void  
Public function void Replicate input data
Public function void  
Public function void  
Public function void Replicate state data
Protected function UFunction Server, Reliable void Server RPC to receive important inputs from client.
Protected function UFunction Server, Unreliable void Server RPC to receive inputs from client.
Public function UFunction Meta Server, Unreliable void -- Deprecated API --
Public function void

SetIsRelayingLocalInputs ( bool bInRelayingLocalInputs
)

 Mark this as controlled through locally relayed inputs rather than controlled as a pawn through a player controller.
Public function int32 Enable RewindData history caching and return the history size
Public function void Stop relaying local inputs after next network send.

Overridden from UActorComponent

  Type Name Description
Public function Virtual void Used to create any physics engine information for this component.
Public function Virtual void Register the component into the network manager.
Public function Virtual void

TickComponent ( float DeltaTime,
ELevelTick TickType,
FActorComponentTickFunction* ThisTickFunction
)

 Called every frame.
Public function Virtual void Unregister the component from the network manager.

Overridden from UObject

  Type Name Description
Public function Virtual Const void Function to init the replicated properties.

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