Toy-Raytracer/World.h

//
// 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::Green, sf::Color ceilingColor = sf::Color::Blue,
            std::vector<BlockType> worldMap = {});
    int getW() const;
    int getH() const;

    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;

    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&, int column, float scale, sf::Color wallColor = sf::Color(127,127,127)) const;
    /**
     * Cast a ray from a given position and return the on-screen scale.
     * @param originX Ray X origin
     * @param originY Ray Y origin
     * @param orientation Angle to cast to, in degrees
     * @return Scale on the screen of the hit wall.
     */
    float castRay(float originX, float originY, float orientation);
};


#endif //RAYCASTING_WORLD_H