raycaster/texture.hpp

#pragma once

#include <cstdint>
#include <vector>
#include <string>
#include <SFML/Graphics.hpp>
#include <unordered_map>

struct Sprite {
  double x;
  double y;
  int texture;
  sf::Sprite *sprite = nullptr;
  sf::Texture *sprite_texture = nullptr;
  double elevation=0;
  int uDiv=1;
  int vDiv=1;
};

struct SpriteTexture {
  sf::Sprite *sprite = nullptr;
  sf::Texture *sprite_texture = nullptr;
};

struct TexturePack {
  int NUM_SPRITES=1;

  std::vector<sf::Image> images;
  std::vector<Sprite> sprites;
  std::unordered_map<std::string, SpriteTexture> sprite_sheets;
  sf::Image floor;
  sf::Image ceiling;
  SpriteTexture sword;

  void load_textures();
  sf::Image load_image(std::string filename);
  Sprite& get_sprite(size_t sprite_num);
  const uint32_t* get_texture(size_t num);
};