Make TangibleManager a GameInstance subsystem

Source/Integration/TangibleManager.h

@@ -4,14 +4,13 @@
 
 #include "CoreMinimal.h"
 #include "UObject/NoExportTypes.h"
+#include "Subsystems/GameInstanceSubsystem.h"
 #include "Common.h"
 #include "Tangible.h"
 #include "TangibleManager.generated.h"
 
-class ALuprexGameModeBase;
-
 UCLASS()
-class INTEGRATION_API UlxTangibleManager : public UObject
+class INTEGRATION_API UlxTangibleManager : public UGameInstanceSubsystem
 {
 	GENERATED_BODY()
 
@@ -21,9 +20,7 @@ public:
 	using IdArray = LpxCommonTypes::IdArray;
 	using TanArray = TArray<UlxTangible*>;
 
-	// A pointer to our game mode.
-	UPROPERTY()
-	TWeakObjectPtr<ALuprexGameModeBase> GameMode;
+	virtual void Initialize(FSubsystemCollectionBase& Collection) override;
 
 	// Given a tangible ID, look up the TangibleComponent of that actor.
 	UPROPERTY()
@@ -31,16 +28,6 @@ public:
 
 	// The Tangible ID of the possessed tangible, if any.
 	UlxTangible *PossessedTangible;
-
-public:
-	UlxTangibleManager();
-
-	// Initialize the tangible manager.
-	//
-	void Init(ALuprexGameModeBase *gamemode);
-
-	// Get a pointer to our game mode.
-	ALuprexGameModeBase *GetGameMode() { return GameMode.Get(); }
 	
 	// Get the tangible if it exists, otherwise return NULL
 	//