第一次提交
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不明不惑
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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Pickups/GIS_CurrencyPickupComponent.h"
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#include "GIS_CurrencySystemComponent.h"
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#include "GameFramework/Actor.h"
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#include "GIS_InventorySystemComponent.h"
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#include "GIS_LogChannels.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GIS_CurrencyPickupComponent)
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void UGIS_CurrencyPickupComponent::BeginPlay()
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{
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OwningCurrencySystem = UGIS_CurrencySystemComponent::GetCurrencySystemComponent(GetOwner());
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if (OwningCurrencySystem == nullptr)
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{
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GIS_CLOG(Warning, "Mising CurrencySystemComponent!");
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}
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Super::BeginPlay();
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}
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bool UGIS_CurrencyPickupComponent::Pickup(UGIS_InventorySystemComponent* Picker)
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{
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if (!GetOwner()->HasAuthority())
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{
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GIS_CLOG(Warning, "has no authority!");
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return false;
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}
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if (OwningCurrencySystem == nullptr || !IsValid(OwningCurrencySystem))
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{
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GIS_CLOG(Warning, "mising CurrencySystemComponent!");
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return false;
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}
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if (Picker == nullptr || !IsValid(Picker))
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{
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GIS_CLOG(Warning, "passed-in invalid picker.");
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return false;
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}
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UGIS_CurrencySystemComponent* PickerCurrencySystem = Picker->GetCurrencySystem();
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if (PickerCurrencySystem == nullptr)
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{
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GIS_CLOG(Warning, "Picker:%s has no CurrencySystem!", *Picker->GetOwner()->GetName());
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return false;
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}
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if (PickerCurrencySystem->AddCurrencies(OwningCurrencySystem->GetAllCurrencies()))
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{
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OwningCurrencySystem->EmptyCurrencies();
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return true;
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}
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return false;
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}
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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Pickups/GIS_InventoryPickupComponent.h"
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#include "GameFramework/Actor.h"
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#include "GIS_InventorySystemComponent.h"
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#include "GIS_InventoryTags.h"
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#include "GIS_ItemCollection.h"
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#include "GIS_LogChannels.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GIS_InventoryPickupComponent)
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void UGIS_InventoryPickupComponent::BeginPlay()
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{
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if (!CollectionTag.IsValid())
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{
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CollectionTag = GIS_CollectionTags::Main;
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}
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Inventory = UGIS_InventorySystemComponent::FindInventorySystemComponent(GetOwner());
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if (!Inventory)
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{
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GIS_CLOG(Warning, "InventoryPickup requries an inventory system component on the same actor!")
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}
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Super::BeginPlay();
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}
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bool UGIS_InventoryPickupComponent::Pickup(UGIS_InventorySystemComponent* Picker)
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{
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if (!GetOwner()->HasAuthority())
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{
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GIS_CLOG(Warning, "has no authority!");
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return false;
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}
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if (Inventory == nullptr || !IsValid(Inventory))
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{
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GIS_CLOG(Warning, "doesn't have an inventory system component to function.")
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return false;
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}
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if (!CollectionTag.IsValid() || !IsValid(Picker))
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{
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GIS_CLOG(Warning, "doesn't have valid picker to function.")
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return false;
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}
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UGIS_ItemCollection* DestCollection = Picker->GetCollectionByTag(CollectionTag);
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if (DestCollection == nullptr)
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{
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GIS_CLOG(Warning, "picker(%s) doesn't have valid collection named:%s", *Picker->GetOwner()->GetName(), *CollectionTag.ToString());
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return false;
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}
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return AddPickupToCollection(DestCollection);
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}
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UGIS_InventorySystemComponent* UGIS_InventoryPickupComponent::GetOwningInventory() const
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{
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return Inventory;
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}
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bool UGIS_InventoryPickupComponent::AddPickupToCollection(UGIS_ItemCollection* DestCollection)
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{
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TArray<FGIS_ItemInfo> PickupItems = Inventory->GetDefaultCollection()->GetAllItemInfos();
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bool bAtLeastOneCanBeAdded = false;
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for (int32 i = 0; i < PickupItems.Num(); i++)
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{
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FGIS_ItemInfo ItemInfo = PickupItems[i];
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FGIS_ItemInfo CanAddedItemInfo;
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if (DestCollection->CanAddItem(ItemInfo, CanAddedItemInfo))
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{
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if (CanAddedItemInfo.Amount != 0)
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{
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bAtLeastOneCanBeAdded = true;
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}
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}
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}
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if (bAtLeastOneCanBeAdded == false)
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{
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NotifyPickupFailed();
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return false;
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}
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for (int32 i = 0; i < PickupItems.Num(); i++)
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{
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DestCollection->AddItem(PickupItems[i]);
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}
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Inventory->GetDefaultCollection()->RemoveAll();
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NotifyPickupSuccess();
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return true;
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}
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@@ -0,0 +1,87 @@
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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Pickups/GIS_ItemPickupComponent.h"
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#include "GameFramework/Actor.h"
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#include "GIS_InventoryTags.h"
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#include "GIS_InventorySystemComponent.h"
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#include "GIS_ItemCollection.h"
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#include "Items/GIS_ItemInstance.h"
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#include "GIS_LogChannels.h"
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#include "Pickups/GIS_WorldItemComponent.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GIS_ItemPickupComponent)
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bool UGIS_ItemPickupComponent::Pickup(UGIS_InventorySystemComponent* Picker)
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{
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if (!GetOwner()->HasAuthority())
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{
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GIS_CLOG(Warning, "has no authority!");
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return false;
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}
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if (!CollectionTag.IsValid() || !IsValid(Picker))
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{
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GIS_CLOG(Warning, "passed-in invalid picker.");
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return false;
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}
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if (WorldItemComponent == nullptr && WorldItemComponent->GetItemInstance()->IsItemValid())
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{
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GIS_CLOG(Warning, "doesn't have valid WordItem component attached or it has invalid item instance reference.");
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return false;
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}
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return TryAddToCollection(Picker);
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}
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UGIS_WorldItemComponent* UGIS_ItemPickupComponent::GetWorldItem() const
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{
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return WorldItemComponent;
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}
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// Called when the game starts
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void UGIS_ItemPickupComponent::BeginPlay()
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{
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if (!CollectionTag.IsValid())
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{
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CollectionTag = GIS_CollectionTags::Main;
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}
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Super::BeginPlay();
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WorldItemComponent = GetOwner()->FindComponentByClass<UGIS_WorldItemComponent>();
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if (WorldItemComponent == nullptr)
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{
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GIS_CLOG(Error, "requires GIS_WorldItemComponent to function!")
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}
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}
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bool UGIS_ItemPickupComponent::TryAddToCollection(UGIS_InventorySystemComponent* Picker)
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{
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UGIS_ItemInstance* NewItemInstance = WorldItemComponent->GetDuplicatedItemInstance(Picker->GetOwner());
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if (NewItemInstance == nullptr)
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{
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GIS_CLOG(Error, "referenced invalid item! Pickup failed!");
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NotifyPickupFailed();
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return false;
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}
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FGIS_ItemInfo NewItemInfo;
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NewItemInfo.Item = NewItemInstance;
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NewItemInfo.Amount = WorldItemComponent->GetItemAmount();
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const FGameplayTag TargetCollection = CollectionTag.IsValid() ? CollectionTag : GIS_CollectionTags::Main;
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NewItemInfo.CollectionTag = TargetCollection;
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FGIS_ItemInfo CanAddedItemInfo;
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const bool bResult = Picker->CanAddItem(NewItemInfo, CanAddedItemInfo);
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if (!bResult || CanAddedItemInfo.Amount == 0 || (bFailIfFullAmountNotFit && CanAddedItemInfo.Amount != NewItemInfo.Amount))
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{
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NotifyPickupFailed();
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return false;
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}
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Picker->AddItem(NewItemInfo);
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NotifyPickupSuccess();
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return true;
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}
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@@ -0,0 +1,6 @@
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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Pickups/GIS_PickupActorInterface.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GIS_PickupActorInterface)
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@@ -0,0 +1,31 @@
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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Pickups/GIS_PickupComponent.h"
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#include "Sound/SoundBase.h"
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#include "Kismet/GameplayStatics.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GIS_PickupComponent)
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// Sets default values for this component's properties
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UGIS_PickupComponent::UGIS_PickupComponent()
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{
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PrimaryComponentTick.bStartWithTickEnabled = false;
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PrimaryComponentTick.bCanEverTick = false;
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SetIsReplicatedByDefault(true);
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}
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bool UGIS_PickupComponent::Pickup(UGIS_InventorySystemComponent* Picker)
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{
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return true;
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}
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void UGIS_PickupComponent::NotifyPickupSuccess()
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{
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OnPickupSuccess.Broadcast();
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}
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void UGIS_PickupComponent::NotifyPickupFailed()
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{
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OnPickupFail.Broadcast();
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}
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@@ -0,0 +1,154 @@
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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Pickups/GIS_WorldItemComponent.h"
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#include "UObject/Object.h"
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#include "Engine/World.h"
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#include "GameFramework/Actor.h"
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#include "GIS_InventorySubsystem.h"
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#include "GIS_InventorySystemComponent.h"
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#include "Items/GIS_ItemDefinition.h"
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#include "Items/GIS_ItemInstance.h"
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#include "GIS_LogChannels.h"
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#include "Net/UnrealNetwork.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GIS_WorldItemComponent)
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UGIS_WorldItemComponent::UGIS_WorldItemComponent(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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PrimaryComponentTick.bStartWithTickEnabled = false;
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PrimaryComponentTick.bCanEverTick = false;
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SetIsReplicatedByDefault(true);
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bReplicateUsingRegisteredSubObjectList = true;
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}
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void UGIS_WorldItemComponent::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
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{
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Super::GetLifetimeReplicatedProps(OutLifetimeProps);
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FDoRepLifetimeParams Parameters;
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Parameters.bIsPushBased = true;
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DOREPLIFETIME_WITH_PARAMS_FAST(ThisClass, ItemInfo, Parameters)
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}
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UGIS_WorldItemComponent* UGIS_WorldItemComponent::GetWorldItemComponent(const AActor* Actor)
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{
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if (IsValid(Actor))
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{
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return Actor->FindComponentByClass<UGIS_WorldItemComponent>();
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}
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return nullptr;
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}
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void UGIS_WorldItemComponent::CreateItemFromDefinition(FGIS_ItemDefinitionAmount ItemDefinition)
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{
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if (!ItemDefinition.Definition.IsNull() && ItemDefinition.Amount >= 1)
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{
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if (!ItemInfo.IsValid())
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{
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UGIS_ItemInstance* NewItemInstance = UGIS_InventorySubsystem::Get(GetWorld())->CreateItem(GetOwner(), ItemDefinition.Definition.LoadSynchronous());
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if (NewItemInstance == nullptr)
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{
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GIS_CLOG(Error, "failed to create item instance from definition!");
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}
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else
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{
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SetItemInfo(NewItemInstance, ItemDefinition.Amount);
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}
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}
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else
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{
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GIS_CLOG(Warning, "Already have valid item info, skip creation.")
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}
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}
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else
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{
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GIS_CLOG(Error, "passed invalid definition setup,skip item instance creating!");
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}
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}
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bool UGIS_WorldItemComponent::HasValidDefinition() const
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{
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return !Definition.Definition.IsNull() && Definition.Amount >= 1;
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}
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void UGIS_WorldItemComponent::SetItemInfo(UGIS_ItemInstance* InItem, int32 InAmount)
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{
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if (InItem == nullptr || InAmount <= 0)
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{
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return;
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}
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if (ItemInfo.IsValid())
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{
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GIS_CLOG(Warning, "Already have valid item info.")
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return;
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}
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ItemInfo = FGIS_ItemInfo(InItem, InAmount);
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MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, ItemInfo, this)
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// add to ReplicatedSubObject list only if it was created by this component.
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if (bReplicateUsingRegisteredSubObjectList && InItem->GetOuter() == GetOwner())
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{
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AddReplicatedSubObject(ItemInfo.Item);
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}
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}
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void UGIS_WorldItemComponent::ResetItemInfo()
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{
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if (ItemInfo.IsValid())
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{
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// remove from replicated sub object list only if it was created by this component.
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if (bReplicateUsingRegisteredSubObjectList && ItemInfo.Item->GetOuter() == GetOwner())
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{
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RemoveReplicatedSubObject(ItemInfo.Item);
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}
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}
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}
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UGIS_ItemInstance* UGIS_WorldItemComponent::GetItemInstance()
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{
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return ItemInfo.Item;
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}
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UGIS_ItemInstance* UGIS_WorldItemComponent::GetDuplicatedItemInstance(AActor* NewOwner)
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{
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if (ItemInfo.IsValid())
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{
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return UGIS_InventorySubsystem::Get(GetWorld())->DuplicateItem(NewOwner, ItemInfo.Item);
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}
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return nullptr;
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}
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FGIS_ItemInfo UGIS_WorldItemComponent::GetItemInfo() const
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{
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return ItemInfo;
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}
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int32 UGIS_WorldItemComponent::GetItemAmount() const
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{
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return ItemInfo.Amount;
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}
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void UGIS_WorldItemComponent::BeginPlay()
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{
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if (HasValidDefinition() && GetOwner()->HasAuthority())
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{
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CreateItemFromDefinition(Definition);
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}
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Super::BeginPlay();
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}
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void UGIS_WorldItemComponent::OnRep_ItemInfo()
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{
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if (ItemInfo.IsValid())
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{
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GIS_CLOG(Verbose, "item:%s replicated!", *ItemInfo.Item->GetDefinition()->GetName());
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ItemInfoSetEvent.Broadcast(ItemInfo);
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}
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}
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Block a user