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#pragma once
#include <cstdint>
#include <memory>
#include <type_traits>
namespace floormat {
struct anim_atlas;
enum class rotation : std::uint8_t {
N, NE, E, SE, S, SW, W, NW,
};
constexpr inline rotation rotation_COUNT = rotation{8};
enum class scenery_type : std::uint8_t {
none, generic, door,
};
struct scenery final
{
struct none_tag_t final {};
struct generic_tag_t final {};
struct door_tag_t final {};
static constexpr inline auto none = none_tag_t{};
static constexpr inline auto generic = generic_tag_t{};
static constexpr inline auto door = door_tag_t{};
using frame_t = std::uint16_t;
float delta = 0;
frame_t frame = 0;
rotation r : 3 = rotation::N;
scenery_type type : 3 = scenery_type::none;
std::uint8_t passable : 1 = false;
std::uint8_t blocks_view : 1 = false; // todo
std::uint8_t active : 1 = false;
std::uint8_t closing : 1 = false;
std::uint8_t animated : 1 = false; // todo
std::uint8_t interactive : 1 = false;
scenery() noexcept;
scenery(none_tag_t) noexcept;
scenery(generic_tag_t, const anim_atlas& atlas, rotation r, frame_t frame = 0,
bool passable = false, bool blocks_view = false, bool animated = false,
bool active = false, bool interactive = false);
scenery(door_tag_t, const anim_atlas& atlas, rotation r, bool is_open = false);
bool can_activate() const noexcept;
bool activate(const anim_atlas& atlas);
void update(float dt, const anim_atlas& anim);
};
struct scenery_proto final
{
std::shared_ptr<anim_atlas> atlas;
scenery frame;
scenery_proto() noexcept;
scenery_proto(const std::shared_ptr<anim_atlas>& atlas, const scenery& frame) noexcept;
scenery_proto& operator=(const scenery_proto&) noexcept;
scenery_proto(const scenery_proto&) noexcept;
template<typename... Ts>
scenery_proto(scenery::generic_tag_t, const std::shared_ptr<anim_atlas>& atlas, Ts&&... args) :
atlas{atlas}, frame{scenery::generic, *atlas, std::forward<Ts>(args)...}
{}
template<typename... Ts>
scenery_proto(scenery::door_tag_t, const std::shared_ptr<anim_atlas>& atlas, Ts&&... args) :
atlas{atlas}, frame{scenery::door, *atlas, std::forward<Ts>(args)...}
{}
operator bool() const noexcept;
};
struct scenery_ref final {
std::shared_ptr<anim_atlas>& atlas;
scenery& frame;
scenery_ref(std::shared_ptr<anim_atlas>& atlas, scenery& frame) noexcept;
scenery_ref(const scenery_ref&) noexcept;
scenery_ref(scenery_ref&&) noexcept;
scenery_ref& operator=(const scenery_proto& proto) noexcept;
operator scenery_proto() const noexcept;
operator bool() const noexcept;
};
} // namespace floormat
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