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#ifndef slic3r_GLModel_hpp_
#define slic3r_GLModel_hpp_
#include "libslic3r/Point.hpp"
#include "libslic3r/BoundingBox.hpp"
#include <vector>
#include <string>
namespace Slic3r {
class TriangleMesh;
#if ENABLE_SINKING_CONTOURS
class Polygon;
using Polygons = std::vector<Polygon>;
#endif // ENABLE_SINKING_CONTOURS
namespace GUI {
class GLModel
{
public:
enum class PrimitiveType : unsigned char
{
Triangles,
Lines,
LineStrip,
LineLoop
};
struct RenderData
{
PrimitiveType type;
unsigned int vbo_id{ 0 };
unsigned int ibo_id{ 0 };
size_t indices_count{ 0 };
std::array<float, 4> color{ 1.0f, 1.0f, 1.0f, 1.0f };
};
struct InitializationData
{
struct Entity
{
PrimitiveType type;
std::vector<Vec3f> positions;
std::vector<Vec3f> normals;
std::vector<unsigned int> indices;
std::array<float, 4> color{ 1.0f, 1.0f, 1.0f, 1.0f };
};
std::vector<Entity> entities;
};
private:
std::vector<RenderData> m_render_data;
BoundingBoxf3 m_bounding_box;
std::string m_filename;
public:
GLModel() = default;
virtual ~GLModel() { reset(); }
void init_from(const InitializationData& data);
void init_from(const TriangleMesh& mesh);
#if ENABLE_SINKING_CONTOURS
void init_from(const Polygons& polygons, float z);
#endif // ENABLE_SINKING_CONTOURS
bool init_from_file(const std::string& filename);
// if entity_id == -1 set the color of all entities
void set_color(int entity_id, const std::array<float, 4>& color);
void reset();
void render() const;
bool is_initialized() const { return !m_render_data.empty(); }
const BoundingBoxf3& get_bounding_box() const { return m_bounding_box; }
const std::string& get_filename() const { return m_filename; }
private:
void send_to_gpu(RenderData& data, const std::vector<float>& vertices, const std::vector<unsigned int>& indices);
};
// create an arrow with cylindrical stem and conical tip, with the given dimensions and resolution
// the origin of the arrow is in the center of the stem cap
// the arrow has its axis of symmetry along the Z axis and is pointing upward
// used to render bed axes and sequential marker
GLModel::InitializationData stilized_arrow(int resolution, float tip_radius, float tip_height, float stem_radius, float stem_height);
// create an arrow whose stem is a quarter of circle, with the given dimensions and resolution
// the origin of the arrow is in the center of the circle
// the arrow is contained in the 1st quadrant of the XY plane and is pointing counterclockwise
// used to render sidebar hints for rotations
GLModel::InitializationData circular_arrow(int resolution, float radius, float tip_height, float tip_width, float stem_width, float thickness);
// create an arrow with the given dimensions
// the origin of the arrow is in the center of the stem cap
// the arrow is contained in XY plane and has its main axis along the Y axis
// used to render sidebar hints for position and scale
GLModel::InitializationData straight_arrow(float tip_width, float tip_height, float stem_width, float stem_height, float thickness);
} // namespace GUI
} // namespace Slic3r
#endif // slic3r_GLModel_hpp_
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