Some progress toward tangible GC:

Source/Integration/TangibleManager.h

@@ -14,9 +14,10 @@ class INTEGRATION_API UlxTangibleManager : public UObject
 	GENERATED_BODY()
 
 public:
-	// Import these types into our Namespace.
-	using IdArray = CommonTypes::IdArray;
+	// Types used frequently.
 	using IdView = CommonTypes::IdView;
+	using IdArray = CommonTypes::IdArray;
+	using TanArray = TArray<UlxTangible*>;
 
 	// A pointer to our world.
 	UPROPERTY()
@@ -31,12 +32,6 @@ public:
 	UPROPERTY()
 	TMap<int64, UlxTangible*> IdToTangible;
 
-	// Player's tangible Id.
-	int64 Player;
-
-	// Tangibles near the actor.
-	IdView Near;
-
 public:
 	UlxTangibleManager();
 
@@ -49,28 +44,30 @@ public:
 	UWorld* GetWorld() const override { return World.Get(); }
 
 	// Get the tangible if it exists, otherwise return NULL
-	UlxTangible* GetTangible(int64 id);
+	//
+	UlxTangible* GetTangible(int64 id) const;
 
 	// Get the tangible if it exists, otherwise create it.
+	//
 	UlxTangible* MakeTangible(int64 id);
 
 	// Delete the tangible.
+	//
 	void DeleteTangible(int64 id);
 
-	// Get/Set the Id of the actor.
-	// 
-	int64 GetPlayer() const { return Player; };
-	void SetPlayer(int64 id) { Player = id; }
+	// Get an array of all tangibles.
+	//
+    TanArray GetAllTangibles() const;
+	
+	// Update the 'NearAccordingToLuprex' flags.
+	//
+	// Also creates any tangibles that are in the near-list,
+	// if they don't already exist.
+	//
+	void UpdateNear(IdView near);
 
-	// Get/Set the list of tangibles near the player, according to Luprex.
+	// Given an array of tangibles, return an array of tangible Ids.
 	//
-	IdView GetNear() const { return Near; }
-	void SetNear(IdView near) { Near = near; }
-
-	// Get the Live list.
-	//
-	// Efficiency note: this makes a copy of the array.
-	//
-	IdArray GetLive();
+	static IdArray GetIds(const TanArray &tans);
 };