raycaster/texture.cpp

#include "texture.hpp"
#include <SFML/Graphics/Image.hpp>
#include "dbc.hpp"
#include <fmt/core.h>
#include "config.hpp"

Image TexturePack::load_image(std::string filename) {
  Image texture(TEXTURE_WIDTH * TEXTURE_HEIGHT);
  sf::Image img;
  bool good = img.loadFromFile(filename);
  dbc::check(good, fmt::format("failed to load {}", filename));

  uint32_t *pixbuf = (uint32_t *)img.getPixelsPtr();
  std::copy_n(pixbuf, texture.size(), texture.begin());

  return texture;
}

void TexturePack::load_textures() {
  Config assets("assets/config.json");
  for(string tile_path : assets["textures"]) {
    images.emplace_back(load_image(tile_path));
  }

  for(string tile_path : assets["sprites"]) {
    images.emplace_back(load_image(tile_path));
  }

  floor = load_image(assets["floor"]);
  ceiling = load_image(assets["ceiling"]);
}

Image& TexturePack::get_texture(size_t num) {
  return images[num];
}

Sprite &TexturePack::get_sprite(size_t sprite_num) {
  return sprites[sprite_num];
}