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#pragma once
#include "tile-defs.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>
namespace floormat {
struct tile_shader;
struct chunk;
struct tile;
struct floor_mesh final
{
floor_mesh();
floor_mesh(floor_mesh&&) = delete;
floor_mesh(const floor_mesh&) = delete;
void draw(tile_shader& shader, chunk& c);
private:
struct vertex_data final { Vector2 texcoords; };
using quad_data = std::array<vertex_data, 4>;
static std::array<std::array<UnsignedShort, 6>, TILE_COUNT> make_index_array();
static std::array<std::array<Vector3, 4>, TILE_COUNT> make_position_array();
GL::Mesh _mesh;
GL::Buffer _vertex_buffer{std::array<quad_data, TILE_COUNT>{}, Magnum::GL::BufferUsage::DynamicDraw},
_index_buffer{make_index_array()}, _positions_buffer{make_position_array()};
static void set_tile(quad_data& data, tile& x);
};
} // namespace floormat
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