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#pragma once
#include "tile.hpp"
#include "tile-iterator.hpp"
#include "scenery.hpp"
#include <type_traits>
#include <array>
#include <bitset>
namespace floormat {
struct anim_atlas;
struct chunk final
{
friend struct tile_ref;
friend struct pass_mode_ref;
tile_ref operator[](std::size_t idx) noexcept;
tile_proto operator[](std::size_t idx) const noexcept;
tile_ref operator[](local_coords xy) noexcept;
tile_proto operator[](local_coords xy) const noexcept;
using iterator = tile_iterator;
using const_iterator = tile_const_iterator;
iterator begin() noexcept;
iterator end() noexcept;
const_iterator cbegin() const noexcept;
const_iterator cend() const noexcept;
const_iterator begin() const noexcept;
const_iterator end() const noexcept;
bool empty(bool force = false) const noexcept;
chunk() noexcept = default;
chunk(const chunk&) = delete;
chunk& operator=(const chunk&) = delete;
chunk(chunk&&) noexcept;
chunk& operator=(chunk&&) noexcept;
private:
std::array<std::shared_ptr<tile_atlas>, TILE_COUNT> _ground_atlases, _wall_north_atlases, _wall_west_atlases;
std::array<std::shared_ptr<anim_atlas>, TILE_COUNT> _scenery;
std::array<variant_t, TILE_COUNT> _ground_variants = {}, _wall_north_variants = {}, _wall_west_variants = {};
std::array<
std::bitset<TILE_COUNT*2> _passability = {};
mutable bool _maybe_empty = true;
};
} // namespace floormat
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