Differential D5819 Diff 18274 source/blender/editors/transform/transform_op_mode_tosphere.c

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source/blender/editors/transform/transform_op_mode_tosphere.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 "BLI_string.h"
				#include "BLT_translation.h"

				#include "BKE_context.h"
				#include "BKE_unit.h"

				#include "RNA_define.h"

				#include "WM_api.h"
				#include "WM_types.h"

				#include "UI_interface.h"

				#include "ED_screen.h"

				#include "transform.h"
				#include "transform_op.h"

				const char OP_TOSPHERE[] = "TRANSFORM_OT_tosphere";

				/* -------------------------------------------------------------------- */
				/* Transform (ToSphere) */

				/** \name Transform ToSphere
				* \{ */

				static void applyToSphere(TransInfo *t, const int UNUSED(mval[2]))
				{
				float vec[3];
				float ratio, radius;
				int i;
				char str[UI_MAX_DRAW_STR];

				ratio = t->values[0];

				snapGridIncrement(t, &ratio);

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

				CLAMP(ratio, 0.0f, 1.0f);

				t->values_final[0] = ratio;

				/* header print for NumInput */
				if (hasNumInput(&t->num)) {
				char c[NUM_STR_REP_LEN];

				outputNumInput(&(t->num), c, &t->scene->unit);

				BLI_snprintf(str, sizeof(str), TIP_("To Sphere: %s %s"), c, t->proptext);
				}
				else {
				/* default header print */
				BLI_snprintf(str, sizeof(str), TIP_("To Sphere: %.4f %s"), ratio, t->proptext);
				}

				FOREACH_TRANS_DATA_CONTAINER (t, tc) {
				TransData *td = tc->data;
				for (i = 0; i < tc->data_len; i++, td++) {
				float tratio;
				if (td->flag & TD_NOACTION) {
				break;
				}

				if (td->flag & TD_SKIP) {
				continue;
				}

				sub_v3_v3v3(vec, td->iloc, tc->center_local);

				radius = normalize_v3(vec);

				tratio = ratio * td->factor;

				mul_v3_fl(vec, radius * (1.0f - tratio) + t->val * tratio);

				add_v3_v3v3(td->loc, tc->center_local, vec);
				}
				}

				recalcData(t);

				ED_area_status_text(t->sa, str);
				}

				void initToSphere(TransInfo *t)
				{
				int i;

				t->mode = TFM_TOSPHERE;
				t->transform = applyToSphere;

				initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);

				t->idx_max = 0;
				t->num.idx_max = 0;
				t->snap[0] = 0.0f;
				t->snap[1] = 0.1f;
				t->snap[2] = t->snap[1] * 0.1f;

				copy_v3_fl(t->num.val_inc, t->snap[1]);
				t->num.unit_sys = t->scene->unit.system;
				t->num.unit_type[0] = B_UNIT_NONE;

				t->num.val_flag[0] \|= NUM_NULL_ONE \| NUM_NO_NEGATIVE;
				t->flag \|= T_NO_CONSTRAINT;

				// Calculate average radius
				FOREACH_TRANS_DATA_CONTAINER (t, tc) {
				TransData *td = tc->data;
				for (i = 0; i < tc->data_len; i++, td++) {
				t->val += len_v3v3(tc->center_local, td->iloc);
				}
				}

				t->val /= (float)t->data_len_all;
				}
				/** \} */

				void TRANSFORM_OT_tosphere(struct wmOperatorType *ot)
				{
				/* identifiers */
				ot->name = "To Sphere";
				// added "around mesh center" to differentiate between "MESH_OT_vertices_to_sphere()"
				ot->description = "Move selected vertices outward in a spherical shape around mesh center";
				ot->idname = OP_TOSPHERE;
				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_screenactive;
				ot->poll_property = transform_poll_property;

				RNA_def_float_factor(ot->srna, "value", 0, 0, 1, "Factor", "", 0, 1);

				WM_operatortype_props_advanced_begin(ot);

				Transform_Properties(ot, P_PROPORTIONAL \| P_MIRROR \| P_SNAP \| P_GPENCIL_EDIT \| P_CENTER);
				}