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#pragma once
#include "compat/defs.hpp"
#include "compat/function2.fwd.hpp"
#include "src/rotation.hpp"
#include <array>
#include <memory>
#include <Corrade/Containers/Array.h>
#include <Corrade/Containers/String.h>
#include <Magnum/Math/Vector2.h>
#include <Magnum/Math/Color.h>
#include <Magnum/GL/Texture.h>
namespace floormat {
struct wall_atlas;
struct wall_frame
{
Vector2ui offset = { (unsigned)-1, (unsigned)-1 };
};
struct wall_frames
{
bool is_empty() const noexcept;
ArrayView<const wall_frame> items(const wall_atlas& a) const;
uint32_t index = (uint32_t)-1, count = 0;
Vector2ui pixel_size;
Color4 tint_mult{1,1,1,1};
Color3 tint_add;
uint8_t from_rotation = (uint8_t)-1;
bool mirrored : 1 = false,
use_default_tint : 1 = true;
};
struct wall_frame_set
{
enum class type : uint8_t { wall = 1, overlay, side, top, corner_L, corner_R, };
bool is_empty() const noexcept;
void visit(const fu2::function_view<bool(StringView, const wall_frames&, type) const>& fun) const&;
void visit(const fu2::function_view<bool(StringView, wall_frames&, type) const>& fun) &;
wall_frames wall, overlay, side, top;
wall_frames corner_L, corner_R;
};
struct wall_info
{
String name = "(unnamed)"_s;
unsigned depth = 0;
};
struct wall_atlas_def
{
wall_info info;
std::unique_ptr<wall_frame_set[]> framesets;
std::array<uint8_t, 4> frameset_indexes = {255, 255, 255, 255};
uint8_t frameset_count = 0;
Array<wall_frame> array;
uint32_t frame_count = 0;
};
struct wall_atlas final
{
fm_DECLARE_DEFAULT_MOVE_ASSIGNMENT_(wall_atlas);
wall_atlas();
~wall_atlas() noexcept;
wall_atlas(wall_info info, const ImageView2D& image,
Array<wall_frame> frames,
std::unique_ptr<wall_frame_set[]> framesets,
uint8_t frameset_count,
std::array<uint8_t, 4> frameset_indexes);
static size_t enum_to_index(enum rotation x);
const wall_frame_set& frameset(size_t i) const;
const wall_frame_set& frameset(enum rotation r) const;
ArrayView<const wall_frame> frame_array() const;
StringView name() const;
private:
std::unique_ptr<wall_frame_set[]> _framesets;
Array<wall_frame> _frame_array;
wall_info _info;
GL::Texture2D _texture;
std::array<uint8_t, 4> _frameset_indexes;
uint8_t _frameset_count = 0;
};
} // namespace floormat
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