diff options
author | Campbell Barton <ideasman42@gmail.com> | 2017-06-16 01:25:24 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2017-06-16 01:25:24 +0300 |
commit | 65905a76c2c9583a2758a3a4367c6fbf6ea9d04b (patch) | |
tree | 25e2dcfd14f6cc0fff332b5c50c500a442ef19a7 /source/blender/editors/mesh/editmesh_bisect.c | |
parent | 400d3f85e13d6e6890098b948962b7abc7ae3f66 (diff) |
Add bisect manipulator
Example that uses library widgets to control an operator,
the API hasn't been reviewed yet so this can be seen as a test.
Diffstat (limited to 'source/blender/editors/mesh/editmesh_bisect.c')
-rw-r--r-- | source/blender/editors/mesh/editmesh_bisect.c | 274 |
1 files changed, 273 insertions, 1 deletions
diff --git a/source/blender/editors/mesh/editmesh_bisect.c b/source/blender/editors/mesh/editmesh_bisect.c index 3a9e278f039..199ac050b5a 100644 --- a/source/blender/editors/mesh/editmesh_bisect.c +++ b/source/blender/editors/mesh/editmesh_bisect.c @@ -50,9 +50,15 @@ #include "ED_screen.h" #include "ED_view3d.h" - #include "mesh_intern.h" /* own include */ +#define USE_MANIPULATOR + +#ifdef USE_MANIPULATOR +#include "ED_manipulator_library.h" +#include "ED_util.h" +#endif + static int mesh_bisect_exec(bContext *C, wmOperator *op); /* -------------------------------------------------------------------- */ @@ -186,6 +192,16 @@ static int mesh_bisect_modal(bContext *C, wmOperator *op, const wmEvent *event) if (ret & (OPERATOR_FINISHED | OPERATOR_CANCELLED)) { edbm_bisect_exit(C, &opdata_back); + +#ifdef USE_MANIPULATOR + /* Setup manipulators */ + { + View3D *v3d = CTX_wm_view3d(C); + if (v3d->twtype & V3D_USE_MANIPULATOR) { + WM_manipulator_group_add("MESH_WGT_bisect"); + } + } +#endif } return ret; @@ -315,6 +331,9 @@ static int mesh_bisect_exec(bContext *C, wmOperator *op) } } +#ifdef USE_MANIPULATOR +static void MESH_WGT_bisect(struct wmManipulatorGroupType *wgt); +#endif void MESH_OT_bisect(struct wmOperatorType *ot) { @@ -350,4 +369,257 @@ void MESH_OT_bisect(struct wmOperatorType *ot) RNA_def_float(ot->srna, "threshold", 0.0001, 0.0, 10.0, "Axis Threshold", "", 0.00001, 0.1); WM_operator_properties_gesture_straightline(ot, CURSOR_EDIT); + +#ifdef USE_MANIPULATOR + /* Widget for this operator. */ + { + WM_manipulatorgrouptype_append(MESH_WGT_bisect); + } +#endif +} + + +#ifdef USE_MANIPULATOR + +/* -------------------------------------------------------------------- */ + +/** \name Bisect Manipulator + * \{ */ + +typedef struct ManipulatorGroup { + /* Arrow to change plane depth. */ + struct wmManipulator *translate_z; + /* For grabbing the manipulator and moving freely. */ + struct wmManipulator *rotate_c; + + /* We could store more vars here! */ + struct { + bContext *context; + wmOperator *op; + PropertyRNA *prop_plane_co; + PropertyRNA *prop_plane_no; + + float rotate_axis[3]; + float rotate_up[3]; + } data; +} ManipulatorGroup; + +/** + * XXX. calling redo from property updates is not great. + * This is needed because changing the RNA doesn't cause a redo + * and we're not using operator UI which does just this. + */ +static void manipulator_bisect_exec(ManipulatorGroup *man) +{ + wmOperator *op = man->data.op; + if (op == WM_operator_last_redo((bContext *)man->data.context)) { + ED_undo_operator_repeat((bContext *)man->data.context, op); + } } + +static void manipulator_mesh_bisect_update_from_op(ManipulatorGroup *man) +{ + wmOperator *op = man->data.op; + + float plane_co[3], plane_no[3]; + + RNA_property_float_get_array(op->ptr, man->data.prop_plane_co, plane_co); + RNA_property_float_get_array(op->ptr, man->data.prop_plane_no, plane_no); + + WM_manipulator_set_origin(man->translate_z, plane_co); + WM_manipulator_set_origin(man->rotate_c, plane_co); + + ED_manipulator_arrow3d_set_direction(man->translate_z, plane_no); + + RegionView3D *rv3d = ED_view3d_context_rv3d(man->data.context); + if (rv3d) { + normalize_v3_v3(man->data.rotate_axis, rv3d->viewinv[2]); + normalize_v3_v3(man->data.rotate_up, rv3d->viewinv[1]); + + /* ensure its orthogonal */ + project_plane_normalized_v3_v3v3(man->data.rotate_up, man->data.rotate_up, man->data.rotate_axis); + normalize_v3(man->data.rotate_up); + + ED_manipulator_dial3d_set_up_vector(man->rotate_c, man->data.rotate_axis); + } +} + +/* depth callbacks */ +static void manipulator_bisect_prop_depth_get( + const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), void *UNUSED(user_data), + float *value, uint value_len) +{ + ManipulatorGroup *man = mpr->parent_mgroup->customdata; + wmOperator *op = man->data.op; + + BLI_assert(value_len == 1); + + float plane_co[3], plane_no[3]; + RNA_property_float_get_array(op->ptr, man->data.prop_plane_co, plane_co); + RNA_property_float_get_array(op->ptr, man->data.prop_plane_no, plane_no); + + value[0] = dot_v3v3(plane_no, plane_co) - dot_v3v3(plane_no, mpr->origin); +} + +static void manipulator_bisect_prop_depth_set( + const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), void *UNUSED(user_data), + const float *value, uint value_len) +{ + ManipulatorGroup *man = mpr->parent_mgroup->customdata; + wmOperator *op = man->data.op; + + BLI_assert(value_len == 1); + + float plane_co[3], plane[4]; + RNA_property_float_get_array(op->ptr, man->data.prop_plane_co, plane_co); + RNA_property_float_get_array(op->ptr, man->data.prop_plane_no, plane); + normalize_v3(plane); + + plane[3] = -value[0] - dot_v3v3(plane, mpr->origin); + + /* Keep our location, may be offset simply to be inside the viewport. */ + closest_to_plane_normalized_v3(plane_co, plane, plane_co); + + RNA_property_float_set_array(op->ptr, man->data.prop_plane_co, plane_co); + + manipulator_bisect_exec(man); +} + +/* angle callbacks */ +static void manipulator_bisect_prop_angle_get( + const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), void *UNUSED(user_data), + float *value, uint value_len) +{ + ManipulatorGroup *man = mpr->parent_mgroup->customdata; + wmOperator *op = man->data.op; + BLI_assert(value_len == 1); + + float plane_no[4]; + RNA_property_float_get_array(op->ptr, man->data.prop_plane_no, plane_no); + normalize_v3(plane_no); + + float plane_no_proj[3]; + project_plane_normalized_v3_v3v3(plane_no_proj, plane_no, man->data.rotate_axis); + + if (!is_zero_v3(plane_no_proj)) { + const float angle = -angle_signed_on_axis_v3v3_v3(plane_no_proj, man->data.rotate_up, man->data.rotate_axis); + value[0] = angle; + } + else { + value[0] = 0.0f; + } +} + +static void manipulator_bisect_prop_angle_set( + const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), void *UNUSED(user_data), + const float *value, uint value_len) +{ + ManipulatorGroup *man = mpr->parent_mgroup->customdata; + wmOperator *op = man->data.op; + BLI_assert(value_len == 1); + + float plane_no[4]; + RNA_property_float_get_array(op->ptr, man->data.prop_plane_no, plane_no); + normalize_v3(plane_no); + + float plane_no_proj[3]; + project_plane_normalized_v3_v3v3(plane_no_proj, plane_no, man->data.rotate_axis); + + if (!is_zero_v3(plane_no_proj)) { + const float angle = -angle_signed_on_axis_v3v3_v3(plane_no_proj, man->data.rotate_up, man->data.rotate_axis); + const float angle_delta = angle - angle_compat_rad(value[0], angle); + if (angle_delta != 0.0f) { + float mat[3][3]; + axis_angle_normalized_to_mat3(mat, man->data.rotate_axis, angle_delta); + mul_m3_v3(mat, plane_no); + + /* re-normalize - seems acceptable */ + RNA_property_float_set_array(op->ptr, man->data.prop_plane_no, plane_no); + + manipulator_bisect_exec(man); + } + } +} + +static bool manipulator_mesh_bisect_poll(const bContext *C, wmManipulatorGroupType *wgt) +{ + wmOperator *op = WM_operator_last_redo(C); + if (op == NULL || !STREQ(op->type->idname, "MESH_OT_bisect")) { + WM_manipulator_group_remove_ptr_delayed(wgt); + return false; + } + return true; +} + +static void manipulator_mesh_bisect_setup(const bContext *C, wmManipulatorGroup *mgroup) +{ + wmOperator *op = WM_operator_last_redo(C); + + if (op == NULL || !STREQ(op->type->idname, "MESH_OT_bisect")) { + return; + } + + struct ManipulatorGroup *man = MEM_callocN(sizeof(ManipulatorGroup), __func__); + mgroup->customdata = man; + + man->translate_z = ED_manipulator_arrow3d_new(mgroup, "translate_z", ED_MANIPULATOR_ARROW_STYLE_NORMAL); + man->rotate_c = ED_manipulator_dial3d_new(mgroup, "rotate_c", ED_MANIPULATOR_DIAL_STYLE_RING); + + WM_manipulator_set_flag(man->rotate_c, WM_MANIPULATOR_DRAW_VALUE, true); + + { + man->data.context = (bContext *)C; + man->data.op = op; + man->data.prop_plane_co = RNA_struct_find_property(op->ptr, "plane_co"); + man->data.prop_plane_no = RNA_struct_find_property(op->ptr, "plane_no"); + } + + manipulator_mesh_bisect_update_from_op(man); + + /* Setup property callbacks */ + { + WM_manipulator_property_def_func( + man->translate_z, "offset", + &(const struct wmManipulatorPropertyFnParams) { + .value_get_fn = manipulator_bisect_prop_depth_get, + .value_set_fn = manipulator_bisect_prop_depth_set, + .range_get_fn = NULL, + .user_data = NULL, + }); + + WM_manipulator_property_def_func( + man->rotate_c, "offset", + &(const struct wmManipulatorPropertyFnParams) { + .value_get_fn = manipulator_bisect_prop_angle_get, + .value_set_fn = manipulator_bisect_prop_angle_set, + .range_get_fn = NULL, + .user_data = NULL, + }); + } +} + +static void manipulator_mesh_bisect_draw_prepare( + const bContext *UNUSED(C), wmManipulatorGroup *mgroup) +{ + ManipulatorGroup *man = mgroup->customdata; + manipulator_mesh_bisect_update_from_op(man); +} + +static void MESH_WGT_bisect(struct wmManipulatorGroupType *wgt) +{ + wgt->name = "Mesh Bisect"; + wgt->idname = "MESH_WGT_bisect"; + + wgt->flag = WM_MANIPULATORGROUPTYPE_3D; + + wgt->mmap_params.spaceid = SPACE_VIEW3D; + wgt->mmap_params.regionid = RGN_TYPE_WINDOW; + + wgt->poll = manipulator_mesh_bisect_poll; + wgt->setup = manipulator_mesh_bisect_setup; + wgt->draw_prepare = manipulator_mesh_bisect_draw_prepare; +} + +/** \} */ + +#endif /* USE_MANIPULATOR */ |