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#pragma once
#include "tile.hpp"
#include "tile-iterator.hpp"
#include <type_traits>
#include <array>
namespace floormat {
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(); }
bool empty() const;
chunk() = default;
chunk(chunk&&) = default;
chunk& operator=(chunk&&) = default;
fm_DECLARE_DELETED_COPY_ASSIGNMENT(chunk);
private:
std::array<tile, TILE_COUNT> _tiles = {};
mutable bool _maybe_empty = true;
};
} // namespace floormat
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