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#pragma once
#include "local-coords.hpp"
#include <array>
#include <Corrade/Containers/ArrayViewStl.h>
#include <Magnum/Magnum.h>
#include <Magnum/Math/Vector2.h>
#include <Magnum/Math/Vector3.h>
#include <Magnum/GL/Mesh.h>
#include <Magnum/GL/Buffer.h>
#include "src/scenery.hpp"
#include "main/clickable.hpp"
//namespace floormat::Serialize { struct anim_frame; }
namespace floormat {
struct tile_shader;
struct anim_atlas;
struct chunk;
template<typename Atlas, typename T> struct clickable;
struct scenery;
struct anim_mesh final
{
using clickable_scenery = clickable<anim_atlas, scenery>;
anim_mesh();
void draw(tile_shader& shader, chunk& c);
void draw(tile_shader& shader, anim_atlas& atlas, rotation r, std::size_t frame, const Vector3& pos, float depth);
void draw(tile_shader& shader, anim_atlas& atlas, rotation r, std::size_t frame, local_coords xy, Vector2b offset);
static void add_clickable(tile_shader& shader, const Vector2i& win_size,
chunk_coords c, std::uint8_t i, const std::shared_ptr<anim_atlas>& atlas, scenery& s,
std::vector<clickable_scenery>& clickable);
private:
struct vertex_data final {
Vector3 position;
Vector2 texcoords;
float depth = -1;
};
using quad_data = std::array<vertex_data, 4>;
static std::array<UnsignedShort, 6> make_index_array();
GL::Mesh _mesh;
GL::Buffer _vertex_buffer{quad_data{}, Magnum::GL::BufferUsage::DynamicDraw},
_index_buffer{make_index_array()};
};
} // namespace floormat
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