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#pragma once
#include "tile.hpp"
#include "tile-iterator.hpp"
#include <type_traits>
#include <array>
namespace floormat {
template<typename F, typename Tile>
concept tile_iterator_fn = requires(F fn, Tile& tile) {
{ fn.operator()(tile, std::size_t{}, local_coords{}) } -> std::same_as<void>;
};
template<typename T> class basic_tile_iterator;
struct chunk final
{
tile& operator[](local_coords xy) { return _tiles[xy.to_index()]; }
const tile& operator[](local_coords xy) const { return _tiles[xy.to_index()]; }
tile& operator[](std::size_t i) { return _tiles[i]; }
const tile& operator[](std::size_t i) const { return _tiles[i]; }
const auto& tiles() const { return _tiles; }
auto& tiles() { return _tiles; }
using iterator = basic_tile_iterator<tile>;
using const_iterator = basic_tile_iterator<const tile>;
iterator begin() { return iterator{_tiles.data(), 0}; }
iterator end() { return iterator{_tiles.data(), _tiles.size()}; }
const_iterator cbegin() const { return const_iterator{_tiles.data(), 0}; }
const_iterator cend() const { return const_iterator{_tiles.data(), _tiles.size()}; }
const_iterator begin() const { return cbegin(); }
const_iterator end() const { return cend(); }
private:
std::array<tile, TILE_COUNT> _tiles = {};
};
} // namespace floormat
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