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React From Player With Notifier

Type: Plugin/Engine only

This example is intentionally player-side rather than interactable-side, because IEDInteractionNotifier is designed to be implemented by your Pawn or PlayerController.

Example​

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/Character.h"
#include "Interfaces/EDInteractionNotifier.h"
#include "MyPlayerCharacter.generated.h"

UCLASS()
class AMyPlayerCharacter : public ACharacter, public IEDInteractionNotifier
{
	GENERATED_BODY()

public:
	virtual void Local_OnInteraction_Implementation(const FEDInteractionEventContext& Context) override;
	virtual void Local_OnInteractionDenied_Implementation(const FEDInteractionEventContext& Context) override;
	virtual void Server_OnInteraction_Implementation(const FEDInteractionEventContext& Context) override;
};
#include "MyPlayerCharacter.h"

void AMyPlayerCharacter::Local_OnInteraction_Implementation(const FEDInteractionEventContext& Context)
{
	UE_LOG(LogTemp, Log, TEXT("Local interaction with %s"), *GetNameSafe(Context.InteractableActor));
}

void AMyPlayerCharacter::Local_OnInteractionDenied_Implementation(const FEDInteractionEventContext& Context)
{
	UE_LOG(LogTemp, Warning, TEXT("Interaction denied. Reason: %d"), static_cast<int32>(Context.DenyReason));
}

void AMyPlayerCharacter::Server_OnInteraction_Implementation(const FEDInteractionEventContext& Context)
{
	UE_LOG(LogTemp, Log, TEXT("Server confirmed interaction on %s"), *GetNameSafe(Context.InteractableActor));
}

When to use this instead of actor delegates​

Use the notifier when the reaction belongs to the player:

  • HUD feedback
  • local audio
  • tutorial prompts
  • analytics
  • character-specific logic