//
// Created by trotfunky on 27/05/19.
//

#ifndef RAYCASTING_WORLD_H
#define RAYCASTING_WORLD_H

#include <vector>
#include <ostream>
#include <SFML/Graphics.hpp>
#include <iostream>

#include "Player.h"

enum class BlockType {
    AIR,
    WALL,
    DOOR,
    WINDOW,
};

class World {
public:
    Player player;

    World(int w, int h,
          sf::Color groundColor = sf::Color{67, 137, 39},
          sf::Color ceilingColor = sf::Color{39, 69, 137},
          std::vector<BlockType> worldMap = {});
    int getW() const;
    int getH() const;

	inline BlockType getBlock(int x, int y) const;
	inline BlockType getBlock(float x, float y) const;
	void setBlock(BlockType block, int x, int y, int width = 1, int height = 1);

    void render(sf::RenderWindow&) const;

    /**
     * Move the world one step forward.
     * @param stepTime delta time since last step, in seconds
     */
    void step(const float& stepTime);

    friend std::ostream& operator<<(std::ostream& ostream, World const & world);
private:
    int w;
    int h;
    std::vector<BlockType> map;

    sf::Color groundColor;
    sf::Color ceilingColor;

    void fillColumn(sf::RenderWindow&, unsigned int column, float scale,
                    sf::Color wallColor = sf::Color(84,56,34)) const;
    /**
     * Cast a ray from a given position and its distance to the origin.
     * @param originX Ray X origin, strictly positive
     * @param originY Ray Y origin, strictly positive
     * @param orientation Angle to cast to, in degrees between 0 and 360
     * @return Distance of the hit to the origin.
     */
    float castRay(float originX, float originY, float orientation) const;
};


#endif //RAYCASTING_WORLD_H