Add item pickup actor

2026-05-17 00:55:16 -07:00
parent c511ae904a
commit 03d856efbf
5 changed files with 197 additions and 1 deletions
@@ -0,0 +1,76 @@
+// Copyright Pacificao. All Rights Reserved.
+
+#include "AgrarianItemPickup.h"
+#include "AgrarianGameCharacter.h"
+#include "AgrarianInventoryComponent.h"
+#include "AgrarianItemDefinitionAsset.h"
+#include "Components/StaticMeshComponent.h"
+
+AAgrarianItemPickup::AAgrarianItemPickup()
+{
+	bReplicates = true;
+
+	Mesh = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("Mesh"));
+	RootComponent = Mesh;
+	Mesh->SetCollisionProfileName(TEXT("BlockAll"));
+
+	PickupStack.ItemId = TEXT("wood");
+	PickupStack.DisplayName = FText::FromString(TEXT("Wood"));
+	PickupStack.Quantity = 1;
+	PickupStack.UnitWeight = 1.0f;
+	InteractionVerb = FText::FromString(TEXT("Pick up"));
+}
+
+FText AAgrarianItemPickup::GetInteractionText_Implementation(const AAgrarianGameCharacter* Interactor) const
+{
+	const FAgrarianItemStack Stack = MakePickupStack();
+	const FText DisplayName = Stack.DisplayName.IsEmpty() ? FText::FromName(Stack.ItemId) : Stack.DisplayName;
+	const FString Verb = InteractionVerb.IsEmpty() ? FString(TEXT("Pick up")) : InteractionVerb.ToString();
+
+	if (Stack.Quantity > 1)
+	{
+		return FText::FromString(FString::Printf(TEXT("%s %s x%d"), *Verb, *DisplayName.ToString(), Stack.Quantity));
+	}
+
+	return FText::FromString(FString::Printf(TEXT("%s %s"), *Verb, *DisplayName.ToString()));
+}
+
+bool AAgrarianItemPickup::CanInteract_Implementation(const AAgrarianGameCharacter* Interactor) const
+{
+	return Interactor != nullptr && MakePickupStack().IsValidStack();
+}
+
+void AAgrarianItemPickup::Interact_Implementation(AAgrarianGameCharacter* Interactor)
+{
+	if (!HasAuthority() || !Interactor)
+	{
+		return;
+	}
+
+	UAgrarianInventoryComponent* Inventory = Interactor->GetInventoryComponent();
+	if (!Inventory)
+	{
+		return;
+	}
+
+	const FAgrarianItemStack Stack = MakePickupStack();
+	if (Inventory->AddItem(Stack))
+	{
+		Destroy();
+	}
+}
+
+FAgrarianItemStack AAgrarianItemPickup::MakePickupStack() const
+{
+	if (ItemDefinition)
+	{
+		return ItemDefinition->MakeStack(Quantity);
+	}
+
+	FAgrarianItemStack Stack = PickupStack;
+	if (Quantity > 0)
+	{
+		Stack.Quantity = Quantity;
+	}
+	return Stack;
+}
@@ -0,0 +1,44 @@
+// Copyright Pacificao. All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GameFramework/Actor.h"
+#include "AgrarianInteractable.h"
+#include "AgrarianTypes.h"
+#include "AgrarianItemPickup.generated.h"
+
+class AAgrarianGameCharacter;
+class UAgrarianItemDefinitionAsset;
+class UStaticMeshComponent;
+
+UCLASS(Blueprintable)
+class AGRARIANGAME_API AAgrarianItemPickup : public AActor, public IAgrarianInteractable
+{
+	GENERATED_BODY()
+
+public:
+	AAgrarianItemPickup();
+
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Agrarian|Pickup")
+	TObjectPtr<UStaticMeshComponent> Mesh;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|Pickup")
+	FAgrarianItemStack PickupStack;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|Pickup")
+	TObjectPtr<UAgrarianItemDefinitionAsset> ItemDefinition;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|Pickup", meta = (ClampMin = "1"))
+	int32 Quantity = 1;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|Pickup")
+	FText InteractionVerb;
+
+	virtual FText GetInteractionText_Implementation(const AAgrarianGameCharacter* Interactor) const override;
+	virtual bool CanInteract_Implementation(const AAgrarianGameCharacter* Interactor) const override;
+	virtual void Interact_Implementation(AAgrarianGameCharacter* Interactor) override;
+
+	UFUNCTION(BlueprintCallable, Category = "Agrarian|Pickup")
+	FAgrarianItemStack MakePickupStack() const;
+};