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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ED_transform_snap_object_context.h
* \ingroup editors
*/
#ifndef __ED_TRANSFORM_SNAP_OBJECT_CONTEXT_H__
#define __ED_TRANSFORM_SNAP_OBJECT_CONTEXT_H__
struct BMVert;
struct BMEdge;
struct BMFace;
struct Scene;
struct Main;
struct Object;
struct ARegion;
struct View3D;
/* transform_snap_object.c */
/* ED_transform_snap_object_*** API */
struct SnapObjectParams {
int snap_select; /* SnapSelect */
union {
unsigned int snap_to : 4;
/* snap_target_flag: Snap to vert/edge/face. */
unsigned int snap_to_flag : 4;
};
/* use editmode cage */
unsigned int use_object_edit : 1;
/* special context sensitive handling for the active object */
unsigned int use_object_active : 1;
};
enum {
SNAP_OBJECT_USE_CACHE = (1 << 0),
};
typedef struct SnapObjectContext SnapObjectContext;
SnapObjectContext *ED_transform_snap_object_context_create(
struct Main *bmain, struct Scene *scene, int flag);
SnapObjectContext *ED_transform_snap_object_context_create_view3d(
struct Main *bmain, struct Scene *scene, int flag,
/* extra args for view3d */
struct ARegion *ar, struct View3D *v3d);
void ED_transform_snap_object_context_destroy(SnapObjectContext *sctx);
/* callbacks to filter how snap works */
void ED_transform_snap_object_context_set_editmesh_callbacks(
SnapObjectContext *sctx,
bool (*test_vert_fn)(struct BMVert *, void *user_data),
bool (*test_edge_fn)(struct BMEdge *, void *user_data),
bool (*test_face_fn)(struct BMFace *, void *user_data),
void *user_data);
bool ED_transform_snap_object_project_ray_ex(
struct SnapObjectContext *sctx,
const struct SnapObjectParams *params,
const float ray_start[3], const float ray_normal[3], float *ray_depth,
/* return args */
float r_loc[3], float r_no[3], int *r_index,
struct Object **r_ob, float r_obmat[4][4]);
bool ED_transform_snap_object_project_ray(
SnapObjectContext *sctx,
const float ray_origin[3], const float ray_direction[3], float *ray_dist,
float r_co[3], float r_no[3]);
bool ED_transform_snap_object_project_view3d_ex(
struct SnapObjectContext *sctx,
const struct SnapObjectParams *params,
const float mval[2], float *dist_px,
float *ray_depth,
float r_loc[3], float r_no[3], int *r_index);
bool ED_transform_snap_object_project_view3d(
struct SnapObjectContext *sctx,
const struct SnapObjectParams *params,
const float mval[2], float *dist_px,
float *ray_depth,
/* return args */
float r_loc[3], float r_no[3]);
bool ED_transform_snap_object_project_view3d_mixed(
SnapObjectContext *sctx,
const struct SnapObjectParams *params,
const float mval_fl[2], float *dist_px,
bool use_depth,
float r_co[3], float r_no[3]);
#endif /* __ED_TRANSFORM_SNAP_OBJECT_CONTEXT_H__ */
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