PrusaSlicer-NonPlainar/xs/src/slic3r/GUI/GLGizmo.hpp
2018-09-17 15:12:13 +02:00

367 lines
10 KiB
C++

#ifndef slic3r_GLGizmo_hpp_
#define slic3r_GLGizmo_hpp_
#include "../../slic3r/GUI/GLTexture.hpp"
#include "../../libslic3r/Point.hpp"
#include "../../libslic3r/BoundingBox.hpp"
#include <vector>
namespace Slic3r {
class BoundingBoxf3;
class Linef3;
class ModelObject;
namespace GUI {
class GLCanvas3D;
class GLGizmoBase
{
protected:
struct Grabber
{
static const float SizeFactor;
static const float MinHalfSize;
static const float DraggingScaleFactor;
Vec3d center;
Vec3d angles;
float color[3];
bool enabled;
bool dragging;
Grabber();
void render(bool hover, const BoundingBoxf3& box) const;
void render_for_picking(const BoundingBoxf3& box) const { render(box, color, false); }
private:
void render(const BoundingBoxf3& box, const float* render_color, bool use_lighting) const;
void render_face(float half_size) const;
};
public:
enum EState
{
Off,
Hover,
On,
Num_States
};
protected:
GLCanvas3D& m_parent;
int m_group_id;
EState m_state;
// textures are assumed to be square and all with the same size in pixels, no internal check is done
GLTexture m_textures[Num_States];
int m_hover_id;
bool m_dragging;
float m_base_color[3];
float m_drag_color[3];
float m_highlight_color[3];
mutable std::vector<Grabber> m_grabbers;
public:
explicit GLGizmoBase(GLCanvas3D& parent);
virtual ~GLGizmoBase() {}
bool init() { return on_init(); }
int get_group_id() const { return m_group_id; }
void set_group_id(int id) { m_group_id = id; }
EState get_state() const { return m_state; }
void set_state(EState state) { m_state = state; on_set_state(); }
unsigned int get_texture_id() const { return m_textures[m_state].get_id(); }
int get_textures_size() const { return m_textures[Off].get_width(); }
int get_hover_id() const { return m_hover_id; }
void set_hover_id(int id);
void set_highlight_color(const float* color);
void enable_grabber(unsigned int id);
void disable_grabber(unsigned int id);
void start_dragging(const BoundingBoxf3& box);
void stop_dragging();
bool is_dragging() const { return m_dragging; }
void update(const Linef3& mouse_ray);
void render(const BoundingBoxf3& box) const { on_render(box); }
void render_for_picking(const BoundingBoxf3& box) const { on_render_for_picking(box); }
protected:
virtual bool on_init() = 0;
virtual void on_set_state() {}
virtual void on_set_hover_id() {}
virtual void on_enable_grabber(unsigned int id) {}
virtual void on_disable_grabber(unsigned int id) {}
virtual void on_start_dragging(const BoundingBoxf3& box) {}
virtual void on_stop_dragging() {}
virtual void on_update(const Linef3& mouse_ray) = 0;
virtual void on_render(const BoundingBoxf3& box) const = 0;
virtual void on_render_for_picking(const BoundingBoxf3& box) const = 0;
float picking_color_component(unsigned int id) const;
void render_grabbers(const BoundingBoxf3& box) const;
void render_grabbers_for_picking(const BoundingBoxf3& box) const;
void set_tooltip(const std::string& tooltip) const;
std::string format(float value, unsigned int decimals) const;
};
class GLGizmoRotate : public GLGizmoBase
{
static const float Offset;
static const unsigned int CircleResolution;
static const unsigned int AngleResolution;
static const unsigned int ScaleStepsCount;
static const float ScaleStepRad;
static const unsigned int ScaleLongEvery;
static const float ScaleLongTooth;
static const float ScaleShortTooth;
static const unsigned int SnapRegionsCount;
static const float GrabberOffset;
public:
enum Axis : unsigned char
{
X,
Y,
Z
};
private:
Axis m_axis;
double m_angle;
mutable Vec3d m_center;
mutable float m_radius;
public:
GLGizmoRotate(GLCanvas3D& parent, Axis axis);
double get_angle() const { return m_angle; }
void set_angle(double angle);
protected:
virtual bool on_init();
virtual void on_start_dragging(const BoundingBoxf3& box);
virtual void on_update(const Linef3& mouse_ray);
virtual void on_render(const BoundingBoxf3& box) const;
virtual void on_render_for_picking(const BoundingBoxf3& box) const;
private:
void render_circle() const;
void render_scale() const;
void render_snap_radii() const;
void render_reference_radius() const;
void render_angle() const;
void render_grabber(const BoundingBoxf3& box) const;
void transform_to_local() const;
// returns the intersection of the mouse ray with the plane perpendicular to the gizmo axis, in local coordinate
Vec3d mouse_position_in_local_plane(const Linef3& mouse_ray) const;
};
class GLGizmoRotate3D : public GLGizmoBase
{
std::vector<GLGizmoRotate> m_gizmos;
public:
explicit GLGizmoRotate3D(GLCanvas3D& parent);
double get_angle_x() const { return m_gizmos[X].get_angle(); }
void set_angle_x(double angle) { m_gizmos[X].set_angle(angle); }
double get_angle_y() const { return m_gizmos[Y].get_angle(); }
void set_angle_y(double angle) { m_gizmos[Y].set_angle(angle); }
double get_angle_z() const { return m_gizmos[Z].get_angle(); }
void set_angle_z(double angle) { m_gizmos[Z].set_angle(angle); }
protected:
virtual bool on_init();
virtual void on_set_state()
{
for (GLGizmoRotate& g : m_gizmos)
{
g.set_state(m_state);
}
}
virtual void on_set_hover_id()
{
for (unsigned int i = 0; i < 3; ++i)
{
m_gizmos[i].set_hover_id((m_hover_id == i) ? 0 : -1);
}
}
virtual void on_enable_grabber(unsigned int id)
{
if ((0 <= id) && (id < 3))
m_gizmos[id].enable_grabber(0);
}
virtual void on_disable_grabber(unsigned int id)
{
if ((0 <= id) && (id < 3))
m_gizmos[id].disable_grabber(0);
}
virtual void on_start_dragging(const BoundingBoxf3& box);
virtual void on_stop_dragging();
virtual void on_update(const Linef3& mouse_ray)
{
for (GLGizmoRotate& g : m_gizmos)
{
g.update(mouse_ray);
}
}
virtual void on_render(const BoundingBoxf3& box) const;
virtual void on_render_for_picking(const BoundingBoxf3& box) const
{
for (const GLGizmoRotate& g : m_gizmos)
{
g.render_for_picking(box);
}
}
};
class GLGizmoScale3D : public GLGizmoBase
{
static const float Offset;
static const Vec3d OffsetVec;
mutable BoundingBoxf3 m_box;
Vec3d m_scale;
Vec3d m_starting_scale;
Vec3d m_starting_drag_position;
bool m_show_starting_box;
BoundingBoxf3 m_starting_box;
public:
explicit GLGizmoScale3D(GLCanvas3D& parent);
double get_scale_x() const { return m_scale(0); }
void set_scale_x(double scale) { m_starting_scale(0) = scale; }
double get_scale_y() const { return m_scale(1); }
void set_scale_y(double scale) { m_starting_scale(1) = scale; }
double get_scale_z() const { return m_scale(2); }
void set_scale_z(double scale) { m_starting_scale(2) = scale; }
void set_scale(double scale) { m_starting_scale = scale * Vec3d::Ones(); }
protected:
virtual bool on_init();
virtual void on_start_dragging(const BoundingBoxf3& box);
virtual void on_stop_dragging() { m_show_starting_box = false; }
virtual void on_update(const Linef3& mouse_ray);
virtual void on_render(const BoundingBoxf3& box) const;
virtual void on_render_for_picking(const BoundingBoxf3& box) const;
private:
void render_box(const BoundingBoxf3& box) const;
void render_grabbers_connection(unsigned int id_1, unsigned int id_2) const;
void do_scale_x(const Linef3& mouse_ray);
void do_scale_y(const Linef3& mouse_ray);
void do_scale_z(const Linef3& mouse_ray);
void do_scale_uniform(const Linef3& mouse_ray);
double calc_ratio(unsigned int preferred_plane_id, const Linef3& mouse_ray, const Vec3d& center) const;
};
class GLGizmoMove3D : public GLGizmoBase
{
static const double Offset;
Vec3d m_position;
Vec3d m_starting_drag_position;
Vec3d m_starting_box_center;
Vec3d m_starting_box_bottom_center;
public:
explicit GLGizmoMove3D(GLCanvas3D& parent);
const Vec3d& get_position() const { return m_position; }
void set_position(const Vec3d& position) { m_position = position; }
protected:
virtual bool on_init();
virtual void on_start_dragging(const BoundingBoxf3& box);
virtual void on_update(const Linef3& mouse_ray);
virtual void on_render(const BoundingBoxf3& box) const;
virtual void on_render_for_picking(const BoundingBoxf3& box) const;
private:
double calc_projection(Axis axis, unsigned int preferred_plane_id, const Linef3& mouse_ray) const;
};
class GLGizmoFlatten : public GLGizmoBase
{
// This gizmo does not use grabbers. The m_hover_id relates to polygon managed by the class itself.
private:
mutable Vec3d m_normal;
struct PlaneData {
std::vector<Vec3d> vertices;
Vec3d normal;
float area;
};
struct SourceDataSummary {
std::vector<BoundingBoxf3> bounding_boxes; // bounding boxes of convex hulls of individual volumes
float scaling_factor;
float rotation;
Vec3d mesh_first_point;
};
// This holds information to decide whether recalculation is necessary:
SourceDataSummary m_source_data;
std::vector<PlaneData> m_planes;
#if ENABLE_MODELINSTANCE_3D_OFFSET
Pointf3s m_instances_positions;
#else
std::vector<Vec2d> m_instances_positions;
#endif // ENABLE_MODELINSTANCE_3D_OFFSET
Vec3d m_starting_center;
const ModelObject* m_model_object = nullptr;
void update_planes();
bool is_plane_update_necessary() const;
public:
explicit GLGizmoFlatten(GLCanvas3D& parent);
void set_flattening_data(const ModelObject* model_object);
Vec3d get_flattening_normal() const;
protected:
virtual bool on_init();
virtual void on_start_dragging(const BoundingBoxf3& box);
virtual void on_update(const Linef3& mouse_ray) {}
virtual void on_render(const BoundingBoxf3& box) const;
virtual void on_render_for_picking(const BoundingBoxf3& box) const;
virtual void on_set_state()
{
if (m_state == On && is_plane_update_necessary())
update_planes();
}
};
} // namespace GUI
} // namespace Slic3r
#endif // slic3r_GLGizmo_hpp_