Differential D5819 Diff 18279 source/blender/editors/transform/transform_mode_edge_rotate_normal.c

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source/blender/editors/transform/transform_mode_edge_rotate_normal.c

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				/*
				* 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.
				*/

				/** \file
				* \ingroup edtransform
				*/

				#include "MEM_guardedalloc.h"

				#include "BLI_math.h"

				#include "BKE_context.h"
				#include "BKE_editmesh.h"
				#include "BKE_mesh.h"
				#include "BKE_unit.h"

				#include "RNA_define.h"

				#include "WM_types.h"

				#include "UI_interface.h"

				#include "ED_screen.h"

				#include "transform.h"
				#include "transform_ops.h"

				const char OP_NORMAL_ROTATION[] = "TRANSFORM_OT_rotate_normal";

				/* -------------------------------------------------------------------- */
				/* Transform Init (Normal Rotation) */

				/** \name Transform Normal Rotation
				* \{ */

				static void storeCustomLNorValue(TransDataContainer tc, BMesh bm)
				{
				BMLoopNorEditDataArray *lnors_ed_arr = BM_loop_normal_editdata_array_init(bm, false);
				// BMLoopNorEditData *lnor_ed = lnors_ed_arr->lnor_editdata;

				tc->custom.mode.data = lnors_ed_arr;
				tc->custom.mode.free_cb = freeCustomNormalArray;
				}

				void freeCustomNormalArray(TransInfo t, TransDataContainer tc, TransCustomData *custom_data)
				{
				BMLoopNorEditDataArray *lnors_ed_arr = custom_data->data;

				if (t->state == TRANS_CANCEL) {
				BMLoopNorEditData *lnor_ed = lnors_ed_arr->lnor_editdata;
				BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
				BMesh *bm = em->bm;

				/* Restore custom loop normal on cancel */
				for (int i = 0; i < lnors_ed_arr->totloop; i++, lnor_ed++) {
				BKE_lnor_space_custom_normal_to_data(
				bm->lnor_spacearr->lspacearr[lnor_ed->loop_index], lnor_ed->niloc, lnor_ed->clnors_data);
				}
				}

				BM_loop_normal_editdata_array_free(lnors_ed_arr);

				tc->custom.mode.data = NULL;
				tc->custom.mode.free_cb = NULL;
				}

				/* Works by getting custom normal from clnor_data, transform, then store */
				static void applyNormalRotation(TransInfo *t, const int UNUSED(mval[2]))
				{
				char str[UI_MAX_DRAW_STR];

				float axis_final[3];
				copy_v3_v3(axis_final, t->orient_matrix[t->orient_axis]);

				if ((t->con.mode & CON_APPLY) && t->con.applyRot) {
				t->con.applyRot(t, NULL, NULL, axis_final, NULL);
				}

				FOREACH_TRANS_DATA_CONTAINER (t, tc) {
				BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
				BMesh *bm = em->bm;

				BMLoopNorEditDataArray *lnors_ed_arr = tc->custom.mode.data;
				BMLoopNorEditData *lnor_ed = lnors_ed_arr->lnor_editdata;

				float axis[3];
				float mat[3][3];
				float angle = t->values[0];
				copy_v3_v3(axis, axis_final);

				snapGridIncrement(t, &angle);

				applySnapping(t, &angle);

				applyNumInput(&t->num, &angle);

				headerRotation(t, str, angle);

				axis_angle_normalized_to_mat3(mat, axis, angle);

				for (int i = 0; i < lnors_ed_arr->totloop; i++, lnor_ed++) {
				mul_v3_m3v3(lnor_ed->nloc, mat, lnor_ed->niloc);

				BKE_lnor_space_custom_normal_to_data(
				bm->lnor_spacearr->lspacearr[lnor_ed->loop_index], lnor_ed->nloc, lnor_ed->clnors_data);
				}

				t->values_final[0] = angle;
				}

				recalcData(t);

				ED_area_status_text(t->sa, str);
				}

				void initNormalRotation(TransInfo *t)
				{
				t->mode = TFM_NORMAL_ROTATION;
				t->transform = applyNormalRotation;

				setInputPostFct(&t->mouse, postInputRotation);
				initMouseInputMode(t, &t->mouse, INPUT_ANGLE);

				t->idx_max = 0;
				t->num.idx_max = 0;
				t->snap[0] = 0.0f;
				t->snap[1] = DEG2RAD(5.0);
				t->snap[2] = DEG2RAD(1.0);

				copy_v3_fl(t->num.val_inc, t->snap[2]);
				t->num.unit_sys = t->scene->unit.system;
				t->num.unit_use_radians = (t->scene->unit.system_rotation == USER_UNIT_ROT_RADIANS);
				t->num.unit_type[0] = B_UNIT_ROTATION;

				FOREACH_TRANS_DATA_CONTAINER (t, tc) {
				BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
				BMesh *bm = em->bm;

				BKE_editmesh_ensure_autosmooth(em);
				BKE_editmesh_lnorspace_update(em);

				storeCustomLNorValue(tc, bm);
				}
				}

				/** \} */

				void TRANSFORM_OT_rotate_normal(struct wmOperatorType *ot)
				{
				/* identifiers */
				ot->name = "Rotate Normals";
				ot->description = "Rotate split normal of selected items";
				ot->idname = OP_NORMAL_ROTATION;
				ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO \| OPTYPE_BLOCKING;

				/* api callbacks */
				ot->invoke = transform_invoke;
				ot->exec = transform_exec;
				ot->modal = transform_modal;
				ot->cancel = transform_cancel;
				ot->poll = ED_operator_editmesh;

				RNA_def_float_rotation(
				ot->srna, "value", 0, NULL, -FLT_MAX, FLT_MAX, "Angle", "", -M_PI * 2, M_PI * 2);

				Transform_Properties(ot, P_ORIENT_AXIS \| P_ORIENT_MATRIX \| P_CONSTRAINT \| P_MIRROR);
				}