TArray declaration fills it with rubbish

Development Programming & Scripting C++
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1

Hello

Been working on a plugin to generate Landscapes along with it’s proxies.
After declaring the TArray in .h and checking its size in .cpp it says ~7500000
despite not adding any elements to it. Tiles is a class meant to hold information of each proxy. What could be the problem?

.h

#pragma once

#include "CoreMinimal.h"
#include "Modules/ModuleManager.h"
#include "Landscape.h"
#include "Containers/Array.h"
#include "LandscapeProxy.h"
#include "LandscapeInfo.h"

#include "Tile.h"


class FToolBarBuilder;
class FMenuBuilder;

class FProceduralWorldModule : public IModuleInterface
{
public:

	/** IModuleInterface implementation */
	virtual void StartupModule() override;
	virtual void ShutdownModule() override;

	FReply Setup();
	FReply DeleteLandscape();
	
	/** This function will be bound to Command (by default it will bring up plugin window) */
	void PluginButtonClicked();

	//member variable for landscape we are creating   
	UPROPERTY()
	ALandscape* landscapePtr{nullptr};

	
	TArray<Tile> tiles;
	
private:

	void RegisterMenus();

	TSharedRef<class SDockTab> OnSpawnPluginTab(const class FSpawnTabArgs& SpawnTabArgs);

private:
	TSharedPtr<class FUICommandList> PluginCommands;
};

.cpp

UE_LOG(LogTemp, Warning, TEXT("Num of tiles: %d"), tiles.Num());
	if (!tiles.IsEmpty())
	{
		UE_LOG(LogTemp, Warning, TEXT("tiles is not empty"));
	}

Tile.h

class PROCEDURALWORLD_API Tile
{
public:
	Tile();
	Tile(TObjectPtr<ALandscapeStreamingProxy> inProxy);
	~Tile() = default;

	void updateMaterial(UMaterial* inMaterial);
	void updateAdjacentTiles(TArray<Tile> &inTiles, const uint32 gridSizeProxy);
	UPROPERTY()
	TObjectPtr<ALandscapeStreamingProxy> streamingProxy = nullptr;
	UPROPERTY()
	UMaterial* tileMaterial = nullptr;

	bool isCity = false;
	bool isRoad = false;
	//Addd more (dungeons, biotope, river, lakes)

	int32 index{0};
	
	TArray<Tile*> adjacentTiles;
	//TStaticArray<Tile*> asd[8]{ nullptr };
};