Added session system

Source/NakedDesire/Global/SessionLossResolver.cpp

@@ -0,0 +1,132 @@
+// © 2025 Naked People Team. All Rights Reserved.
+
+
+#include "SessionLossResolver.h"
+
+#include "Kismet/GameplayStatics.h"
+#include "NakedDesire/Clothing/ClothingItemInstance.h"
+#include "NakedDesire/Interactables/ItemPickup.h"
+#include "NakedDesire/SaveGame/GlobalSaveGameData.h"
+#include "NakedDesire/SaveGame/SaveSubsystem.h"
+
+void USessionLossResolver::OnWorldBeginPlay(UWorld& InWorld)
+{
+	Super::OnWorldBeginPlay(InWorld);
+
+	if (USessionManagerSubsystem* SessionManager = InWorld.GetSubsystem<USessionManagerSubsystem>())
+	{
+		SessionManager->OnSessionEnd.AddDynamic(this, &USessionLossResolver::ResolveLoss);
+	}
+}
+
+void USessionLossResolver::ResolveLoss(ESessionLossCause Cause)
+{
+	// §4.4 precedence: if a chase is in progress, the loss always resolves as
+	// police capture — the chase wins regardless of what actually fired.
+	if (const USessionManagerSubsystem* SessionManager = GetWorld()->GetSubsystem<USessionManagerSubsystem>())
+	{
+		if (SessionManager->IsPoliceChaseActive())
+		{
+			Cause = ESessionLossCause::PoliceCapture;
+		}
+	}
+
+	// §4.4: equipped clothing is never forcibly removed — the resolver simply never
+	// touches equipped items.
+	// TODO(§6.4): when bags exist, a bag placed in the world is lost with its
+	// contents — mark its world record for deletion here.
+
+	bool bWentToHoldingCell = false;
+
+	switch (Cause)
+	{
+	case ESessionLossCause::SafeReturn:
+		// Normal session end; nothing is lost. Autosave below.
+		break;
+
+	case ESessionLossCause::EmbarrassmentMax:
+		// Fade to apartment with no extra cost — no time skip, money, or rep hit.
+		break;
+
+	case ESessionLossCause::EnergyZero:
+		// Forced sleep cycle: everything left outside the apartment is guaranteed lost.
+		LoseAllWorldClothing();
+		break;
+
+	case ESessionLossCause::PoliceCapture:
+		{
+			UGlobalSaveGameData* Save = GetSave();
+			if (Save && Save->Money >= PoliceCaptureMoneyPenalty)
+			{
+				// Can pay: deduct the penalty and go home.
+				Save->Money -= PoliceCaptureMoneyPenalty;
+			}
+			else
+			{
+				// Can't pay: a night in the holding cell settles the debt; no money owed.
+				bWentToHoldingCell = true;
+			}
+			ClearWanted();
+		}
+		break;
+	}
+
+	Autosave();
+
+	OnSessionLossResolved.Broadcast(Cause, bWentToHoldingCell);
+}
+
+void USessionLossResolver::LoseAllWorldClothing()
+{
+	UGlobalSaveGameData* Save = GetSave();
+
+	// Loose clothing in the world is represented by AItemPickup actors. Dropping only
+	// happens outside, and the apartment stores items in the wardrobe (not as pickups),
+	// so every pickup currently counts as "outside the apartment".
+	// TODO: once an apartment volume query exists, spare pickups that sit inside it.
+	TArray<AActor*> Pickups;
+	UGameplayStatics::GetAllActorsOfClass(this, AItemPickup::StaticClass(), Pickups);
+	for (AActor* Actor : Pickups)
+	{
+		AItemPickup* Pickup = Cast<AItemPickup>(Actor);
+		if (!Pickup)
+			continue;
+
+		if (Save)
+		{
+			if (UClothingItemInstance* Item = Pickup->GetItem())
+			{
+				Save->RemoveWorldItem(Item);
+			}
+		}
+		Pickup->Destroy();
+	}
+}
+
+void USessionLossResolver::ClearWanted()
+{
+	// TODO(§7.7 / Phase 6): clear the `wanted` tag once the Wanted attribute exists.
+}
+
+void USessionLossResolver::Autosave() const
+{
+	if (const UGameInstance* GameInstance = GetWorld()->GetGameInstance())
+	{
+		if (USaveSubsystem* SaveSubsystem = GameInstance->GetSubsystem<USaveSubsystem>())
+		{
+			SaveSubsystem->SaveGame();
+		}
+	}
+}
+
+UGlobalSaveGameData* USessionLossResolver::GetSave() const
+{
+	if (const UGameInstance* GameInstance = GetWorld()->GetGameInstance())
+	{
+		if (USaveSubsystem* SaveSubsystem = GameInstance->GetSubsystem<USaveSubsystem>())
+		{
+			return SaveSubsystem->GetCurrentSave();
+		}
+	}
+	return nullptr;
+}