#ifndef WORLD_H__
#define WORLD_H__
#include "define.h"
#include "chunk.h"
#include "array2d.h"
#include "vector3.h"
#include "player.h"
#include "transformation.h"
#include "perlin.h"
#include "shader.h"
#include "bullet.h"
#include "textureatlas.h"
#include <fstream>
#include <string>
#include <vector>
#include <future>
#include <thread>

class Chunk;
class Player;
class Bullet;

class World {
public:
	World();
	~World();

	Array2d<Chunk*>& GetChunks();

	Chunk* ChunkAt(float x, float y, float z) const;
	Chunk* ChunkAt(const Vector3f& pos) const;

	BlockType BlockAt(float x, float y, float z, BlockType defaultBlockType = BTYPE_AIR) const;
	BlockType BlockAt(const Vector3f& pos, BlockType defaultBlockType = BTYPE_AIR) const;

	void Update(int& rendercount, Bullet* bullets[MAX_BULLETS], Player& player, Transformation& world, Shader& shader, TextureAtlas& atlas, Perlin& perlin, BlockInfo* blockinfo[BTYPE_LAST]);

	void GetScope(int& x, int& y);

	void ChangeBlockAtCursor(BlockType blockType, Player& player, bool& block);
	void ChangeBlockAtPosition(BlockType blockType, Vector3f pos);
	void CleanUpWorld(int& deleteframes, bool clear);
private:
	Array2d<Chunk*> m_chunks = Array2d<Chunk*>(WORLD_SIZE_X, WORLD_SIZE_Y);
	std::vector<Chunk*> m_tbDeleted;

	int m_center[2] = { INT16_MAX / 2 - WORLD_SIZE_X / 2, INT16_MAX / 2 - WORLD_SIZE_Y / 2 };

	void UpdateChunk(int& updates, int chx, int chy, BlockInfo* blockinfo[BTYPE_LAST]);
	void RenderWorld(int& rendercount, Player& player, Transformation& world, Shader& shader);
	void UpdateWorld(Player& player, Perlin& perlin, BlockInfo* blockinfo[BTYPE_LAST]);
	void TransposeWorld(Player& player, Bullet* bullets[MAX_BULLETS]);

};
#endif // WORLD_H__