diff options
Diffstat (limited to 'source/blender/editors/include/ED_view3d.h')
| -rw-r--r-- | source/blender/editors/include/ED_view3d.h | 177 |
1 files changed, 138 insertions, 39 deletions
diff --git a/source/blender/editors/include/ED_view3d.h b/source/blender/editors/include/ED_view3d.h index 297bd234edd..dfe0a304748 100644 --- a/source/blender/editors/include/ED_view3d.h +++ b/source/blender/editors/include/ED_view3d.h @@ -64,7 +64,7 @@ typedef struct ViewContext { struct View3D *v3d; struct RegionView3D *rv3d; struct EditMesh *em; - short mval[2]; + int mval[2]; } ViewContext; typedef struct ViewDepths { @@ -80,20 +80,123 @@ typedef struct ViewDepths { float *give_cursor(struct Scene *scene, struct View3D *v3d); int initgrabz(struct RegionView3D *rv3d, float x, float y, float z); -void window_to_3d(struct ARegion *ar, float out[3], short mx, short my); -void window_to_3d_delta(struct ARegion *ar, float out[3], short mx, short my); -void window_to_3d_vector(struct ARegion *ar, float out[3], short mx, short my); + +/** + * Calculate a 3d location from 2d window coordinates. + * @param ar The region (used for the window width and height). + * @param depth_pt The reference location used to calculate the Z depth. + * @param mval The area relative location (such as event->mval converted to floats). + * @param out The resulting world-space location. + */ +void ED_view3d_win_to_3d(struct ARegion *ar, const float depth_pt[3], const float mval[2], float out[3]); + +/** + * Calculate a 3d difference vector from 2d window offset. + * note that initgrabz() must be called first to determine + * the depth used to calculate the delta. + * @param ar The region (used for the window width and height). + * @param mval The area relative 2d difference (such as event->mval[0] - other_x). + * @param out The resulting world-space delta. + */ +void ED_view3d_win_to_delta(struct ARegion *ar, const float mval[2], float out[3]); + +/** + * Calculate a 3d direction vector from 2d window coordinates. + * This direction vector starts and the view in the direction of the 2d window coordinates. + * In orthographic view all window coordinates yield the same vector. + * @param ar The region (used for the window width and height). + * @param mval The area relative 2d location (such as event->mval converted to floats). + * @param out The resulting normalized world-space direction vector. + */ +void ED_view3d_win_to_vector(struct ARegion *ar, const float mval[2], float out[3]); + +/** + * Calculate a 3d segment from 2d window coordinates. + * This ray_start is located at the viewpoint, ray_end is a far point. + * ray_start and ray_end are clipped by the view near and far limits + * so points along this line are always in view. + * In orthographic view all resulting segments will be parallel. + * @param ar The region (used for the window width and height). + * @param v3d The 3d viewport (used for near and far clipping range). + * @param mval The area relative 2d location (such as event->mval, converted into float[2]). + * @param ray_start The world-space starting point of the segment. + * @param ray_end The world-space end point of the segment. + */ +void ED_view3d_win_to_segment_clip(struct ARegion *ar, struct View3D *v3d, const float mval[2], float ray_start[3], float ray_end[3]); + +/** + * Calculate a 3d viewpoint and direction vector from 2d window coordinates. + * This ray_start is located at the viewpoint, ray_normal is the direction towards mval. + * ray_start is clipped by the view near limit so points in front of it are always in view. + * In orthographic view the resulting ray_normal will match the view vector. + * @param ar The region (used for the window width and height). + * @param v3d The 3d viewport (used for near clipping value). + * @param out The resulting normalized world-space direction vector. + * @param mval The area relative 2d location (such as event->mval, converted into float[2]). + * @param ray_start The world-space starting point of the segment. + * @param ray_normal The normalized world-space direction of towards mval. + */ +void ED_view3d_win_to_ray(struct ARegion *ar, struct View3D *v3d, const float mval[2], float ray_start[3], float ray_normal[3]); + +/** + * Calculate a normalized 3d direction vector from the viewpoint towards a global location. + * In orthographic view the resulting vector will match the view vector. + * @param ar The region (used for the window width and height). + * @param coord The world-space location. + * @param vec The resulting normalized vector. + */ +void ED_view3d_global_to_vector(struct RegionView3D *rv3d, const float coord[3], float vec[3]); + +/** + * Calculate the view transformation matrix from RegionView3D input. + * The resulting matrix is equivilent to RegionView3D.viewinv + * @param mat The view 4x4 transformation matrix to calculate. + * @param ofs The view offset, normally from RegionView3D.ofs. + * @param quat The view rotation, quaternion normally from RegionView3D.viewquat. + * @param dist The view distance from ofs, normally from RegionView3D.dist. + */ +void ED_view3d_to_m4(float mat[][4], const float ofs[3], const float quat[4], const float dist); + +/** + * Set the view transformation from a 4x4 matrix. + * @param mat The view 4x4 transformation matrix to assign. + * @param ofs The view offset, normally from RegionView3D.ofs. + * @param quat The view rotation, quaternion normally from RegionView3D.viewquat. + * @param dist The view distance from ofs, normally from RegionView3D.dist. + */ +void ED_view3d_from_m4(float mat[][4], float ofs[3], float quat[4], float *dist); + +/** + * Set the RegionView3D members from an objects transformation and optionally lens. + * @param ob The object to set the view to. + * @param ofs The view offset to be set, normally from RegionView3D.ofs. + * @param quat The view rotation to be set, quaternion normally from RegionView3D.viewquat. + * @param dist The view distance from ofs to be set, normally from RegionView3D.dist. + */ +void ED_view3d_from_object(struct Object *ob, float ofs[3], float quat[4], float *dist, float *lens); + +/** + * Set the object transformation from RegionView3D members. + * @param ob The object which has the transformation assigned. + * @param ofs The view offset, normally from RegionView3D.ofs. + * @param quat The view rotation, quaternion normally from RegionView3D.viewquat. + * @param dist The view distance from ofs, normally from RegionView3D.dist. + */ +void ED_view3d_to_object(struct Object *ob, const float ofs[3], const float quat[4], const float dist); + +#if 0 /* UNUSED */ void view3d_unproject(struct bglMats *mats, float out[3], const short x, const short y, const float z); +#endif /* Depth buffer */ -void view3d_update_depths(struct ARegion *ar); -float read_cached_depth(struct ViewContext *vc, int x, int y); -void request_depth_update(struct RegionView3D *rv3d); +void ED_view3d_depth_update(struct ARegion *ar); +float ED_view3d_depth_read_cached(struct ViewContext *vc, int x, int y); +void ED_view3d_depth_tag_update(struct RegionView3D *rv3d); /* Projection */ #define IS_CLIPPED 12000 -void view3d_calculate_clipping(struct BoundBox *bb, float planes[4][4], struct bglMats *mats, struct rcti *rect); +void ED_view3d_calc_clipping(struct BoundBox *bb, float planes[4][4], struct bglMats *mats, struct rcti *rect); void project_short(struct ARegion *ar, const float vec[3], short adr[2]); void project_short_noclip(struct ARegion *ar, const float vec[3], short adr[2]); @@ -104,17 +207,12 @@ void project_int_noclip(struct ARegion *ar, const float vec[3], int adr[2]); void project_float(struct ARegion *ar, const float vec[3], float adr[2]); void project_float_noclip(struct ARegion *ar, const float vec[3], float adr[2]); -void viewvector(struct RegionView3D *rv3d, float coord[3], float vec[3]); - -void viewline(struct ARegion *ar, struct View3D *v3d, float mval[2], float ray_start[3], float ray_end[3]); -void viewray(struct ARegion *ar, struct View3D *v3d, float mval[2], float ray_start[3], float ray_normal[3]); - -int get_view3d_cliprange(struct View3D *v3d, struct RegionView3D *rv3d, float *clipsta, float *clipend); -int get_view3d_viewplane(struct View3D *v3d, struct RegionView3D *rv3d, int winxi, int winyi, struct rctf *viewplane, float *clipsta, float *clipend, float *pixsize); -int get_view3d_ortho(struct View3D *v3d, struct RegionView3D *rv3d); -void view3d_get_object_project_mat(struct RegionView3D *v3d, struct Object *ob, float pmat[4][4]); -void view3d_project_float(struct ARegion *a, const float vec[3], float adr[2], float mat[4][4]); -void view3d_calc_camera_border(struct Scene *scene, struct ARegion *ar, struct RegionView3D *rv3d, struct View3D *v3d, struct rctf *viewborder_r, short do_shift); +void ED_view3d_ob_clip_range_get(struct Object *ob, float *lens, float *clipsta, float *clipend); +int ED_view3d_clip_range_get(struct View3D *v3d, struct RegionView3D *rv3d, float *clipsta, float *clipend); +int ED_view3d_viewplane_get(struct View3D *v3d, struct RegionView3D *rv3d, int winxi, int winyi, struct rctf *viewplane, float *clipsta, float *clipend, float *pixsize); +void ED_view3d_ob_project_mat_get(struct RegionView3D *v3d, struct Object *ob, float pmat[4][4]); +void ED_view3d_project_float(struct ARegion *a, const float vec[3], float adr[2], float mat[4][4]); +void ED_view3d_calc_camera_border(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, struct RegionView3D *rv3d, struct rctf *viewborder_r, short do_shift); /* drawobject.c iterators */ void mesh_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct EditVert *eve, int x, int y, int index), void *userData, int clipVerts); @@ -124,27 +222,27 @@ void nurbs_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData void lattice_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct BPoint *bp, int x, int y), void *userData); void ED_view3d_local_clipping(struct RegionView3D *rv3d, float mat[][4]); -int view3d_test_clipping(struct RegionView3D *rv3d, const float vec[3], const int local); -void view3d_align_axis_to_vector(struct View3D *v3d, struct RegionView3D *rv3d, int axisidx, float vec[3]); -float view3d_pixel_size(struct RegionView3D *rv3d, const float co[3]); +int ED_view3d_test_clipping(struct RegionView3D *rv3d, const float vec[3], const int local); +void ED_view3d_align_axis_to_vector(struct View3D *v3d, struct RegionView3D *rv3d, int axisidx, float vec[3]); +float ED_view3d_pixel_size(struct RegionView3D *rv3d, const float co[3]); void drawcircball(int mode, const float cent[3], float rad, float tmat[][4]); /* backbuffer select and draw support */ void view3d_validate_backbuf(struct ViewContext *vc); struct ImBuf *view3d_read_backbuf(struct ViewContext *vc, short xmin, short ymin, short xmax, short ymax); -unsigned int view3d_sample_backbuf_rect(struct ViewContext *vc, const short mval[2], int size, unsigned int min, unsigned int max, int *dist, short strict, +unsigned int view3d_sample_backbuf_rect(struct ViewContext *vc, const int mval[2], int size, unsigned int min, unsigned int max, int *dist, short strict, void *handle, unsigned int (*indextest)(void *handle, unsigned int index)); unsigned int view3d_sample_backbuf(struct ViewContext *vc, int x, int y); /* draws and does a 4x4 sample */ -int view_autodist(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, const short mval[2], float mouse_worldloc[3]); +int ED_view3d_autodist(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, const int mval[2], float mouse_worldloc[3]); -/* only draw so view_autodist_simple can be called many times after */ -int view_autodist_init(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, int mode); -int view_autodist_simple(struct ARegion *ar, const short mval[2], float mouse_worldloc[3], int margin, float *force_depth); -int view_autodist_depth(struct ARegion *ar, const short mval[2], int margin, float *depth); -int view_autodist_depth_segment(struct ARegion *ar, const short mval_sta[2], const short mval_end[2], int margin, float *depth); +/* only draw so ED_view3d_autodist_simple can be called many times after */ +int ED_view3d_autodist_init(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, int mode); +int ED_view3d_autodist_simple(struct ARegion *ar, const int mval[2], float mouse_worldloc[3], int margin, float *force_depth); +int ED_view3d_autodist_depth(struct ARegion *ar, const int mval[2], int margin, float *depth); +int ED_view3d_autodist_depth_seg(struct ARegion *ar, const int mval_sta[2], const int mval_end[2], int margin, float *depth); /* select */ #define MAXPICKBUF 10000 @@ -153,13 +251,13 @@ short view3d_opengl_select(struct ViewContext *vc, unsigned int *buffer, unsigne void view3d_set_viewcontext(struct bContext *C, struct ViewContext *vc); void view3d_operator_needs_opengl(const struct bContext *C); void view3d_region_operator_needs_opengl(struct wmWindow *win, struct ARegion *ar); -int view3d_get_view_aligned_coordinate(struct ViewContext *vc, float fp[3], const short mval[2], const short do_fallback); +int view3d_get_view_aligned_coordinate(struct ViewContext *vc, float fp[3], const int mval[2], const short do_fallback); void view3d_get_transformation(struct ARegion *ar, struct RegionView3D *rv3d, struct Object *ob, struct bglMats *mats); /* XXX should move to BLI_math */ int edge_inside_circle(short centx, short centy, short rad, short x1, short y1, short x2, short y2); -int lasso_inside(short mcords[][2], short moves, short sx, short sy); -int lasso_inside_edge(short mcords[][2], short moves, int x0, int y0, int x1, int y1); +int lasso_inside(int mcords[][2], short moves, int sx, int sy); +int lasso_inside_edge(int mcords[][2], short moves, int x0, int y0, int x1, int y1); /* get 3d region from context, also if mouse is in header or toolbar */ struct RegionView3D *ED_view3d_context_rv3d(struct bContext *C); @@ -167,6 +265,7 @@ struct ARegion *ED_view3d_context_region_unlock(struct bContext *C); int ED_operator_rv3d_unlock_poll(struct bContext *C); void ED_view3d_init_mats_rv3d(struct Object *ob, struct RegionView3D *rv3d); +void ED_view3d_init_mats_rv3d_gl(struct Object *ob, struct RegionView3D *rv3d); int ED_view3d_scene_layer_set(int lay, const int *values, int *active); @@ -178,18 +277,18 @@ struct ImBuf *ED_view3d_draw_offscreen_imbuf(struct Scene *scene, struct View3D struct ImBuf *ED_view3d_draw_offscreen_imbuf_simple(Scene *scene, struct Object *camera, int width, int height, unsigned int flag, int drawtype, char err_out[256]); -Base *ED_view3d_give_base_under_cursor(struct bContext *C, const short mval[2]); +Base *ED_view3d_give_base_under_cursor(struct bContext *C, const int mval[2]); void ED_view3d_quadview_update(struct ScrArea *sa, struct ARegion *ar, short do_clip); int ED_view3d_lock(struct RegionView3D *rv3d); unsigned int ED_view3d_datamask(struct Scene *scene, struct View3D *v3d); unsigned int ED_viewedit_datamask(struct bScreen *screen); - -/* assigning view matrix */ -void view3d_apply_mat4(float mat[][4], float *ofs, float *quat, float *dist); -void view3d_apply_ob(struct Object *ob, float *ofs, float *quat, float *dist, float *lens); -int view3d_is_ortho(struct View3D *v3d, struct RegionView3D *rv3d); +/* camera lock functions */ +int ED_view3d_camera_lock_check(struct View3D *v3d, struct RegionView3D *rv3d); +/* copy the camera to the view before starting a view transformation */ +void ED_view3d_camera_lock_init(struct View3D *v3d, struct RegionView3D *rv3d); +/* copy the view to the camera */ +void ED_view3d_camera_lock_sync(struct View3D *v3d, struct RegionView3D *rv3d); #endif /* ED_VIEW3D_H */ - |