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#pragma once
#include "src/pass-mode.hpp"
#include "src/quads.hpp"
#include "loader/ground-info.hpp"
#include <array>
#include <memory>
#include <Corrade/Containers/Optional.h>
#include <Corrade/Containers/String.h>
#include <Magnum/Magnum.h>
#include <Magnum/Math/Vector2.h>
#include <Magnum/GL/Texture.h>
namespace floormat {
struct ground_def
{
String name;
Vector2ub size;
pass_mode pass = pass_mode::pass;
};
class ground_atlas;
class ground_atlas final
{
using quad = Quads::quad;
using texcoords = std::array<Vector2, 4>;
static std::unique_ptr<const texcoords[]> make_texcoords_array(Vector2ui pixel_size, Vector2ub tile_count);
static texcoords make_texcoords(Vector2ui pixel_size, Vector2ub tile_count, size_t i);
std::unique_ptr<const texcoords[]> texcoords_;
GL::Texture2D tex_;
String path_, name_;
Vector2ui size_;
Vector2ub dims_;
enum pass_mode passability;
public:
ground_atlas(ground_def info, String path, const ImageView2D& img);
texcoords texcoords_for_id(size_t id) const;
[[maybe_unused]] Vector2ui pixel_size() const { return size_; }
size_t num_tiles() const;
Vector2ub num_tiles2() const { return dims_; }
GL::Texture2D& texture() { return tex_; }
StringView name() const { return name_; }
enum pass_mode pass_mode() const;
static constexpr enum pass_mode default_pass_mode = pass_mode::pass;
};
} // namespace floormat
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