7f7e043a88
Server-authoritative, data-driven item/inventory/interaction/carry/equipment/ world-slot/placement/crafting framework. 8 modules, compiles against UE 5.7. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
// Copyright ExByte Studios. Item Interaction Ecosystem.
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#pragma once
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#include "CoreMinimal.h"
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#include "Components/ActorComponent.h"
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#include "InteractionTraceComponent.generated.h"
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class UInteractableComponent;
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DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FOnInteractionTargetChanged, AActor*, NewTarget, UInteractableComponent*, NewInteractable);
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/**
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* Local-only aim trace that finds the best interactable under the crosshair
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* (section 8.2). Runs only on the owning client; the result drives the prompt UI
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* and is what the player confirms - never trusted by the server.
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*/
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UCLASS(ClassGroup = (Interaction), meta = (BlueprintSpawnableComponent))
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class ITEMINTERACTION_API UInteractionTraceComponent : public UActorComponent
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{
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GENERATED_BODY()
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public:
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UInteractionTraceComponent();
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virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
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/** Fires the trace once and updates CurrentTarget. */
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UFUNCTION(BlueprintCallable, Category = "Interaction")
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void TickTrace();
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Interaction")
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float TraceDistance = 300.f;
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Interaction")
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float TraceRadius = 12.f;
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/** Trace channel; defaults to Visibility. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Interaction")
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TEnumAsByte<ECollisionChannel> TraceChannel = ECC_Visibility;
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UPROPERTY(BlueprintReadOnly, Category = "Interaction")
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TObjectPtr<AActor> CurrentTarget = nullptr;
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UPROPERTY(BlueprintReadOnly, Category = "Interaction")
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TObjectPtr<UInteractableComponent> CurrentInteractable = nullptr;
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UPROPERTY(BlueprintReadOnly, Category = "Interaction")
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FVector LastHitLocation = FVector::ZeroVector;
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UPROPERTY(BlueprintReadOnly, Category = "Interaction")
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FVector LastHitNormal = FVector::ZeroVector;
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UPROPERTY(BlueprintAssignable, Category = "Interaction")
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FOnInteractionTargetChanged OnTargetChanged;
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private:
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bool GetViewPoint(FVector& OutLocation, FRotator& OutRotation) const;
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void SetTarget(AActor* NewTarget, UInteractableComponent* NewInteractable);
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};
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