#pragma once

#include "Block.h"
#include "DoLaterHandler.h"

#include <Vec3.h>
#include <Array.h>
#include <Datei.h>
#include <Punkt.h>
#include <Either.h>


class Chunk : public virtual Framework::ReferenceCounter
{
private:
	int dimensionId;
	Framework::Punkt location;
	Block** blocks;
	Chunk* zNeighbours[4];
	unsigned short* blockIds;
	Framework::Either<Block*, int> zBlockNeighbor(Framework::Vec3<int> location);
	bool added;
	Framework::Critical cs;
	Framework::Array<int> observers;
	Framework::Array<int> lightSources;
	unsigned char* lightData;

	void addLightSource(int index);
	void removeLightSource(int index);
	void sendLightToClient(Framework::StreamWriter* zWriter);

public:
	Chunk(Framework::Punkt location, int dimensionId);
	Chunk(Framework::Punkt location, int dimensionId, Framework::StreamReader* zReader);
	~Chunk();

	void notifyObservers(NetworkMessage* msg);
	void addObserver(Entity* zEntity, DoLaterHandler& laterHandler);
	void removeObserver(Entity* zEntity);
	void api(Framework::StreamReader* zRequest, Entity* zSource, DoLaterHandler& laterHandler);
	void initializeLightning();

	Framework::Either<Block*, int> zBlockAt(Framework::Vec3<int> cLocation) const;
	const Block* zBlockConst(Framework::Vec3<int> location) const;
	void instantiateBlock(Framework::Vec3<int> location);
	void generateBlock(Framework::Vec3<int> location);
	void putBlockAt(Framework::Vec3<int> location, Block* block);
	void putBlockTypeAt(Framework::Vec3<int> location, int type);
	void setNeighbor(Direction dir, Chunk* zChunk);
	void load(Framework::StreamReader* zReader);
	void save(Framework::StreamWriter* zWriter);
	void sendToClient(Framework::StreamWriter* zWriter);
	void removeUnusedBlocks();
	int getDimensionId() const;
	Framework::Punkt getCenter() const;
	Framework::Vec3<int> getMin() const;
	Framework::Vec3<int> getMax() const;
	void prepareRemove();
	void setAdded();
	bool hasObservers() const;
	unsigned char* getLightData(Framework::Vec3<int> location) const;
	void setLightData(Framework::Vec3<int> location, unsigned char* data, bool foreground);
};