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在这里详述 UE4-Networking-And-Multiplayer/MultiplayerProgrammingQuickStart。 [[https://docs.unrealengine.com/en-US/InteractiveExperiences/Networking/QuickStart/index.html | 原文]]

 * How to add replication to a base Actor [[#1]]
 * How to take advantage of '''Movement Components''' in a network game [[#2]]
 * How to add replication to '''variables''' [[#1]]
 * How to use '''!RepNotifies''' when a variable changes [[#4]]
 * How to use '''Remote Procedure Calls (RPCs)''' in C++ [[#5]]
 * How to check an Actor's '''Network Role''' in order to filter calls that are performed within a function [[#6]]

= How to add replication to a base Actor =
 <<Anchor(#1)>>
{{{#!highlight C++
////////////////////////////
// ThirdPersonMPCharacter.h
////////////////////////////
/** The player's current health. When reduced to 0, they are considered dead.*/
UPROPERTY(ReplicatedUsing=OnRep_CurrentHealth)
float CurrentHealth;

/** RepNotify for changes made to current health.*/
UFUNCTION()
void OnRep_CurrentHealth();

/** Property replication */
void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const override;
}}}

{{{#!highlight C++
////////////////////////////
// ThirdPersonMPCharacter.cpp
////////////////////////////

//////////////////////////////////////////////////////////////////////////
// Replicated Properties

void AThirdPersonMPCharacter::GetLifetimeReplicatedProps(TArray <FLifetimeProperty> & OutLifetimeProps) const
{
    Super::GetLifetimeReplicatedProps(OutLifetimeProps);

    //Replicate current health.
    DOREPLIFETIME(AThirdPersonMPCharacter, CurrentHealth);
}
}}}

= How to use '''!RepNotifies''' when a variable changes =

原文

  • How to add replication to a base Actor #1

  • How to take advantage of Movement Components in a network game #2

  • How to add replication to variables #1

  • How to use RepNotifies when a variable changes #4

  • How to use Remote Procedure Calls (RPCs) in C++ #5

  • How to check an Actor's Network Role in order to filter calls that are performed within a function #6

How to add replication to a base Actor

   1 ////////////////////////////
   2 // ThirdPersonMPCharacter.h
   3 ////////////////////////////
   4 /** The player's current health. When reduced to 0, they are considered dead.*/
   5 UPROPERTY(ReplicatedUsing=OnRep_CurrentHealth)
   6 float CurrentHealth;
   7 
   8 /** RepNotify for changes made to current health.*/
   9 UFUNCTION()
  10 void OnRep_CurrentHealth();
  11 
  12 /** Property replication */
  13 void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const override;


   1 ////////////////////////////
   2 // ThirdPersonMPCharacter.cpp
   3 ////////////////////////////
   4 
   5 //////////////////////////////////////////////////////////////////////////
   6 // Replicated Properties
   7 
   8 void AThirdPersonMPCharacter::GetLifetimeReplicatedProps(TArray <FLifetimeProperty> & OutLifetimeProps) const
   9 {
  10     Super::GetLifetimeReplicatedProps(OutLifetimeProps);
  11 
  12     //Replicate current health.
  13     DOREPLIFETIME(AThirdPersonMPCharacter, CurrentHealth);
  14 }

How to use '''!RepNotifies''' when a variable changes

UE4-Networking-And-Multiplayer/MultiplayerProgrammingQuickStart (last edited 2021-03-01 13:15:12 by zbjxb)