Some progress toward tangible GC:

Source/Integration/TangibleManager.cpp

@@ -6,27 +6,24 @@
 #include "DebugPrint.h"
 
 using namespace DebugPrint;
+using TanArray = UlxTangibleManager::TanArray;
+using IdArray = UlxTangibleManager::IdArray;
 
 UlxTangibleManager::UlxTangibleManager() {
 	World = nullptr;
 	ClassTangibleActor = nullptr;
-	Player = 0;
-	Near = IdView();
 }
 
 void UlxTangibleManager::Init(UWorld* world, UClass* tanact) {
 	World = world;
 	ClassTangibleActor = tanact;
-	Player = 0;
-	Near = IdView();
 }
 
-UlxTangible* UlxTangibleManager::GetTangible(int64 id) {
-	UlxTangible** p = IdToTangible.Find(id);
+UlxTangible* UlxTangibleManager::GetTangible(int64 id) const {
+	UlxTangible*const* p = IdToTangible.Find(id);
 	if (p == nullptr) {
 		return nullptr;
-	}
-	else {
+	} else {
 		return *p;
 	}
 }
@@ -49,12 +46,34 @@ void UlxTangibleManager::DeleteTangible(int64 id) {
 	// IMPLEMENT ME
 }
 
-UlxTangibleManager::IdArray UlxTangibleManager::GetLive() {
-	IdArray result;
+TanArray UlxTangibleManager::GetAllTangibles() const {
+	TanArray result;
 	result.SetNum(IdToTangible.Num());
 	int next = 0;
 	for (auto& pair : IdToTangible) {
-		result[next++] = pair.Key;
+		result[next++] = pair.Value;
+	}
+	return result;
+}
+
+void UlxTangibleManager::UpdateNear(IdView near) {
+	// Clear all the 'NearAccordingToLuprex' flags.
+	for (const auto& pair : IdToTangible) {
+		pair.Value->NearAccordingToLuprex = false;
+	}
+	// For every ID on the list, create it if it doesn't exist,
+	// mark it, and return it.
+	for (int64 id : near) {
+		UlxTangible* tan = MakeTangible(id);
+		tan->NearAccordingToLuprex = true;
+	}
+}
+
+IdArray UlxTangibleManager::GetIds(const TanArray &arr) {
+	IdArray result;
+	result.SetNum(arr.Num());
+	for (int i = 0; i < arr.Num(); i++) {
+		result[i] = arr[i]->TangibleId;
 	}
 	return result;
 }