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