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Diffstat (limited to 'source/blender/editors/include/ED_transform_snap_object_context.h')
| -rw-r--r-- | source/blender/editors/include/ED_transform_snap_object_context.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/source/blender/editors/include/ED_transform_snap_object_context.h b/source/blender/editors/include/ED_transform_snap_object_context.h new file mode 100644 index 00000000000..e591a91a90f --- /dev/null +++ b/source/blender/editors/include/ED_transform_snap_object_context.h @@ -0,0 +1,107 @@ +/* + * ***** 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__ */ |