Files
Project-Reboot-3.0/Project Reboot 3.0/FortInventory.cpp

359 lines
10 KiB
C++

#include "FortInventory.h"
#include "FortPlayerController.h"
#include "FortPickup.h"
UFortItem* CreateItemInstance(AFortPlayerController* PlayerController, UFortItemDefinition* ItemDefinition, int Count)
{
UFortItem* NewItemInstance = ItemDefinition->CreateTemporaryItemInstanceBP(Count);
if (NewItemInstance && PlayerController)
NewItemInstance->SetOwningControllerForTemporaryItem(PlayerController);
return NewItemInstance;
}
std::pair<std::vector<UFortItem*>, std::vector<UFortItem*>> AFortInventory::AddItem(UFortItemDefinition* ItemDefinition, bool* bShouldUpdate, int Count, int LoadedAmmo, bool bShouldAddToStateValues)
{
if (!ItemDefinition)
return std::pair<std::vector<UFortItem*>, std::vector<UFortItem*>>();
if (bShouldUpdate)
*bShouldUpdate = false;
if (LoadedAmmo == -1)
{
if (auto WeaponDef = Cast<UFortWeaponItemDefinition>(ItemDefinition))
LoadedAmmo = WeaponDef->GetClipSize();
else
LoadedAmmo = 0;
}
auto& ItemInstances = GetItemList().GetItemInstances();
auto MaxStackSize = ItemDefinition->GetMaxStackSize();
bool bAllowMultipleStacks = ItemDefinition->DoesAllowMultipleStacks();
int OverStack = 0;
std::vector<UFortItem*> NewItemInstances;
std::vector<UFortItem*> ModifiedItemInstances;
if (MaxStackSize > 1)
{
for (int i = 0; i < ItemInstances.Num(); i++)
{
auto CurrentItemInstance = ItemInstances.at(i);
auto CurrentEntry = CurrentItemInstance->GetItemEntry();
if (CurrentEntry->GetItemDefinition() == ItemDefinition)
{
if (CurrentEntry->GetCount() < MaxStackSize || !bAllowMultipleStacks)
{
OverStack = CurrentEntry->GetCount() + Count - MaxStackSize;
if (!bAllowMultipleStacks && !(CurrentEntry->GetCount() < MaxStackSize))
{
break;
}
int AmountToStack = OverStack > 0 ? Count - OverStack : Count;
auto ReplicatedEntry = FindReplicatedEntry(CurrentEntry->GetItemGuid());
CurrentEntry->GetCount() += AmountToStack;
ReplicatedEntry->GetCount() += AmountToStack;
// std::cout << std::format("{} : {} : {}\n", CurrentEntry.Count, ReplicatedEntry->Count, OverStack);
/* if (bAddToStateValues)
{
FFortItemEntryStateValue StateValue;
StateValue.IntValue = 1;
StateValue.StateType = EFortItemEntryState::ShouldShowItemToast;
CurrentEntry.StateValues.Add(StateValue);
ReplicatedEntry->StateValues.Add(StateValue);
}
else
{
// CurrentEntry.StateValues.FreeBAD();
// ReplicatedEntry->StateValues.FreeBAD();
} */
ModifiedItemInstances.push_back(CurrentItemInstance);
GetItemList().MarkItemDirty(CurrentEntry);
GetItemList().MarkItemDirty(ReplicatedEntry);
if (OverStack <= 0)
return std::make_pair(NewItemInstances, ModifiedItemInstances);
// break;
}
}
}
}
Count = OverStack > 0 ? OverStack : Count;
auto PlayerController = Cast<APlayerController>(GetOwner());
if (!PlayerController)
return std::make_pair(NewItemInstances, ModifiedItemInstances);
if (OverStack > 0 && !bAllowMultipleStacks)
{
auto Pawn = PlayerController->GetPawn();
if (!Pawn)
return std::make_pair(NewItemInstances, ModifiedItemInstances);
AFortPickup::SpawnPickup(ItemDefinition, Pawn->GetActorLocation(), Count, EFortPickupSourceTypeFlag::Player, EFortPickupSpawnSource::Unset, -1, Cast<AFortPawn>(Pawn));
return std::make_pair(NewItemInstances, ModifiedItemInstances);
}
auto FortPlayerController = Cast<AFortPlayerController>(PlayerController);
UFortItem* NewItemInstance = CreateItemInstance(FortPlayerController, ItemDefinition, Count);
if (NewItemInstance)
{
// if (LoadedAmmo != -1)
NewItemInstance->GetItemEntry()->GetLoadedAmmo() = LoadedAmmo;
NewItemInstances.push_back(NewItemInstance);
// NewItemInstance->GetItemEntry()->GetItemDefinition() = ItemDefinition;
static auto FortItemEntryStruct = FindObject(L"/Script/FortniteGame.FortItemEntry");
static auto FortItemEntrySize = *(int*)(__int64(FortItemEntryStruct) + Offsets::PropertiesSize);
// LOG_INFO(LogDev, "FortItemEntryStruct {}", __int64(FortItemEntryStruct));
// LOG_INFO(LogDev, "FortItemEntrySize {}", __int64(FortItemEntrySize));
ItemInstances.Add(NewItemInstance);
GetItemList().GetReplicatedEntries().Add(*NewItemInstance->GetItemEntry(), FortItemEntrySize);
if (FortPlayerController && Engine_Version < 420)
{
static auto QuickBarsOffset = FortPlayerController->GetOffset("QuickBars", false);
auto QuickBars = FortPlayerController->Get<AActor*>(QuickBarsOffset);
if (QuickBars)
{
enum class EFortQuickBars : uint8_t
{
Primary = 0,
Secondary = 1,
Max_None = 2,
EFortQuickBars_MAX = 3
};
struct
{
FGuid Item; // (Parm, IsPlainOldData)
EFortQuickBars InQuickBar; // (Parm, ZeroConstructor, IsPlainOldData)
int Slot; // (Parm, ZeroConstructor, IsPlainOldData)
}
AFortQuickBars_ServerAddItemInternal_Params
{
NewItemInstance->GetItemEntry()->GetItemGuid(),
IsPrimaryQuickbar(ItemDefinition) ? EFortQuickBars::Primary : EFortQuickBars::Secondary,
-1
};
static auto ServerAddItemInternalFn = FindObject<UFunction>("/Script/FortniteGame.FortQuickBars.ServerAddItemInternal");
QuickBars->ProcessEvent(ServerAddItemInternalFn, &AFortQuickBars_ServerAddItemInternal_Params);
}
}
if (bShouldUpdate)
*bShouldUpdate = true;
}
return std::make_pair(NewItemInstances, ModifiedItemInstances);
}
bool AFortInventory::RemoveItem(const FGuid& ItemGuid, bool* bShouldUpdate, int Count, bool bForceRemoval)
{
if (bShouldUpdate)
*bShouldUpdate = false;
auto ItemInstance = FindItemInstance(ItemGuid);
auto ReplicatedEntry = FindReplicatedEntry(ItemGuid);
if (!ItemInstance || !ReplicatedEntry)
return false;
auto ItemDefinition = Cast<UFortWorldItemDefinition>(ReplicatedEntry->GetItemDefinition());
if (!ItemDefinition)
return false;
if (Count < 0)
{
Count = 0;
bForceRemoval = true;
}
auto NewCount = ReplicatedEntry->GetCount() - Count;
if (NewCount > 0 || (ItemDefinition->ShouldPersistWhenFinalStackEmpty() && !bForceRemoval))
{
if (ItemDefinition->ShouldPersistWhenFinalStackEmpty())
NewCount = NewCount < 0 ? 0 : NewCount; // min(NewCount, 0) or something i forgot
ItemInstance->GetItemEntry()->GetCount() = NewCount;
ReplicatedEntry->GetCount() = NewCount;
GetItemList().MarkItemDirty(ItemInstance->GetItemEntry());
GetItemList().MarkItemDirty(ReplicatedEntry);
return true;
}
static auto FortItemEntryStruct = FindObject<UStruct>(L"/Script/FortniteGame.FortItemEntry");
static auto FortItemEntrySize = FortItemEntryStruct->GetPropertiesSize();
auto& ItemInstances = GetItemList().GetItemInstances();
auto& ReplicatedEntries = GetItemList().GetReplicatedEntries();
for (int i = 0; i < ItemInstances.Num(); i++)
{
if (ItemInstances.at(i)->GetItemEntry()->GetItemGuid() == ItemGuid)
{
ItemInstances.Remove(i);
break;
}
}
for (int i = 0; i < ReplicatedEntries.Num(); i++)
{
if (ReplicatedEntries.at(i, FortItemEntrySize).GetItemGuid() == ItemGuid)
{
ReplicatedEntries.Remove(i, FortItemEntrySize);
break;
}
}
// todo remove from weaponlist
if (bShouldUpdate)
*bShouldUpdate = true;
return true;
}
void AFortInventory::ModifyCount(UFortItem* ItemInstance, int New, bool bRemove, std::pair<FFortItemEntry*, FFortItemEntry*>* outEntries, bool bUpdate)
{
auto ReplicatedEntry = FindReplicatedEntry(ItemInstance->GetItemEntry()->GetItemGuid());
if (!ReplicatedEntry)
return;
if (!bRemove)
{
ItemInstance->GetItemEntry()->GetCount() += New;
ReplicatedEntry->GetCount() += New;
}
else
{
ItemInstance->GetItemEntry()->GetCount() -= New;
ReplicatedEntry->GetCount() -= New;
}
if (outEntries)
*outEntries = { ItemInstance->GetItemEntry(), ReplicatedEntry};
if (bUpdate || !outEntries)
{
GetItemList().MarkItemDirty(ItemInstance->GetItemEntry());
GetItemList().MarkItemDirty(ReplicatedEntry);
}
}
UFortItem* AFortInventory::GetPickaxeInstance()
{
static auto FortWeaponMeleeItemDefinitionClass = FindObject<UClass>("/Script/FortniteGame.FortWeaponMeleeItemDefinition");
auto& ItemInstances = GetItemList().GetItemInstances();
for (int i = 0; i < ItemInstances.Num(); i++)
{
auto ItemInstance = ItemInstances.At(i);
if (ItemInstance->GetItemEntry()->GetItemDefinition()->IsA(FortWeaponMeleeItemDefinitionClass))
return ItemInstance;
}
return nullptr;
}
UFortItem* AFortInventory::FindItemInstance(UFortItemDefinition* ItemDefinition)
{
auto& ItemInstances = GetItemList().GetItemInstances();
for (int i = 0; i < ItemInstances.Num(); i++)
{
auto ItemInstance = ItemInstances.At(i);
if (ItemInstance->GetItemEntry()->GetItemDefinition() == ItemDefinition)
return ItemInstance;
}
return nullptr;
}
void AFortInventory::CorrectLoadedAmmo(const FGuid& Guid, int NewAmmoCount)
{
auto CurrentWeaponInstance = FindItemInstance(Guid);
if (!CurrentWeaponInstance)
return;
auto CurrentWeaponReplicatedEntry = FindReplicatedEntry(Guid);
if (!CurrentWeaponReplicatedEntry)
return;
if (CurrentWeaponReplicatedEntry->GetLoadedAmmo() != NewAmmoCount)
{
CurrentWeaponInstance->GetItemEntry()->GetLoadedAmmo() = NewAmmoCount;
CurrentWeaponReplicatedEntry->GetLoadedAmmo() = NewAmmoCount;
GetItemList().MarkItemDirty(CurrentWeaponInstance->GetItemEntry());
GetItemList().MarkItemDirty(CurrentWeaponReplicatedEntry);
}
}
UFortItem* AFortInventory::FindItemInstance(const FGuid& Guid)
{
auto& ItemInstances = GetItemList().GetItemInstances();
for (int i = 0; i < ItemInstances.Num(); i++)
{
auto ItemInstance = ItemInstances.At(i);
if (ItemInstance->GetItemEntry()->GetItemGuid() == Guid)
return ItemInstance;
}
return nullptr;
}
FFortItemEntry* AFortInventory::FindReplicatedEntry(const FGuid& Guid)
{
static auto FortItemEntryStruct = FindObject<UStruct>(L"/Script/FortniteGame.FortItemEntry");
static auto FortItemEntrySize = FortItemEntryStruct->GetPropertiesSize();
auto& ReplicatedEntries = GetItemList().GetReplicatedEntries();
for (int i = 0; i < ReplicatedEntries.Num(); i++)
{
auto& ReplicatedEntry = ReplicatedEntries.At(i, FortItemEntrySize);
if (ReplicatedEntry.GetItemGuid() == Guid)
return &ReplicatedEntry;
}
return nullptr;
}