205 lines
5.6 KiB
C
205 lines
5.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
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/** \file
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* \ingroup edtransform
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*/
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#include <stdlib.h>
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#include "BLI_math.h"
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#include "BLI_string.h"
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#include "BLI_task.h"
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#include "BKE_context.h"
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#include "BKE_unit.h"
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#include "ED_screen.h"
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#include "WM_api.h"
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#include "WM_types.h"
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#include "UI_interface.h"
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#include "BLT_translation.h"
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#include "transform.h"
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#include "transform_convert.h"
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#include "transform_snap.h"
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#include "transform_mode.h"
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/* -------------------------------------------------------------------- */
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/** \name Transform (Shrink-Fatten) Element
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* \{ */
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/**
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* \note Small arrays / data-structures should be stored copied for faster memory access.
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*/
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struct TransDataArgs_ShrinkFatten {
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const TransInfo *t;
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const TransDataContainer *tc;
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float distance;
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};
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static void transdata_elem_shrink_fatten(const TransInfo *t,
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const TransDataContainer *UNUSED(tc),
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TransData *td,
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const float distance)
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{
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/* Get the final offset. */
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float tdistance = distance * td->factor;
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if (td->ext && (t->flag & T_ALT_TRANSFORM) != 0) {
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tdistance *= td->ext->isize[0]; /* shell factor */
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}
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madd_v3_v3v3fl(td->loc, td->iloc, td->axismtx[2], tdistance);
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}
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static void transdata_elem_shrink_fatten_fn(void *__restrict iter_data_v,
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const int iter,
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const TaskParallelTLS *__restrict UNUSED(tls))
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{
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struct TransDataArgs_ShrinkFatten *data = iter_data_v;
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TransData *td = &data->tc->data[iter];
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if (td->flag & TD_SKIP) {
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return;
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}
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transdata_elem_shrink_fatten(data->t, data->tc, td, data->distance);
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name Transform (Shrink-Fatten)
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* \{ */
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static eRedrawFlag shrinkfatten_handleEvent(struct TransInfo *t, const wmEvent *event)
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{
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BLI_assert(t->mode == TFM_SHRINKFATTEN);
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const wmKeyMapItem *kmi = t->custom.mode.data;
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if (kmi && event->type == kmi->type && event->val == kmi->val) {
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/* Allows the "Even Thickness" effect to be enabled as a toggle. */
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t->flag ^= T_ALT_TRANSFORM;
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return TREDRAW_HARD;
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}
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return TREDRAW_NOTHING;
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}
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static void applyShrinkFatten(TransInfo *t, const int UNUSED(mval[2]))
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{
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float distance;
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int i;
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char str[UI_MAX_DRAW_STR];
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size_t ofs = 0;
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UnitSettings *unit = &t->scene->unit;
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distance = t->values[0] + t->values_modal_offset[0];
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transform_snap_increment(t, &distance);
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applyNumInput(&t->num, &distance);
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t->values_final[0] = distance;
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/* header print for NumInput */
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ofs += BLI_strncpy_rlen(str + ofs, TIP_("Shrink/Fatten: "), sizeof(str) - ofs);
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if (hasNumInput(&t->num)) {
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char c[NUM_STR_REP_LEN];
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outputNumInput(&(t->num), c, unit);
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ofs += BLI_snprintf_rlen(str + ofs, sizeof(str) - ofs, "%s", c);
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}
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else {
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/* default header print */
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if (unit != NULL) {
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ofs += BKE_unit_value_as_string(str + ofs,
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sizeof(str) - ofs,
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distance * unit->scale_length,
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4,
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B_UNIT_LENGTH,
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unit,
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true);
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}
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else {
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ofs += BLI_snprintf_rlen(str + ofs, sizeof(str) - ofs, "%.4f", distance);
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}
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}
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if (t->proptext[0]) {
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ofs += BLI_snprintf_rlen(str + ofs, sizeof(str) - ofs, " %s", t->proptext);
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}
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ofs += BLI_strncpy_rlen(str + ofs, ", (", sizeof(str) - ofs);
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const wmKeyMapItem *kmi = t->custom.mode.data;
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if (kmi) {
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ofs += WM_keymap_item_to_string(kmi, false, str + ofs, sizeof(str) - ofs);
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}
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BLI_snprintf(str + ofs,
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sizeof(str) - ofs,
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TIP_(" or Alt) Even Thickness %s"),
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WM_bool_as_string((t->flag & T_ALT_TRANSFORM) != 0));
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/* done with header string */
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FOREACH_TRANS_DATA_CONTAINER (t, tc) {
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if (tc->data_len < TRANSDATA_THREAD_LIMIT) {
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TransData *td = tc->data;
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for (i = 0; i < tc->data_len; i++, td++) {
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if (td->flag & TD_SKIP) {
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continue;
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}
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transdata_elem_shrink_fatten(t, tc, td, distance);
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}
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}
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else {
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struct TransDataArgs_ShrinkFatten data = {
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.t = t,
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.tc = tc,
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.distance = distance,
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};
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TaskParallelSettings settings;
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BLI_parallel_range_settings_defaults(&settings);
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BLI_task_parallel_range(0, tc->data_len, &data, transdata_elem_shrink_fatten_fn, &settings);
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}
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}
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recalcData(t);
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ED_area_status_text(t->area, str);
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}
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void initShrinkFatten(TransInfo *t)
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{
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/* If not in mesh edit mode, fallback to Resize. */
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if ((t->flag & T_EDIT) == 0 || (t->obedit_type != OB_MESH)) {
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float no_mouse_dir_constraint[3];
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zero_v3(no_mouse_dir_constraint);
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initResize(t, no_mouse_dir_constraint);
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}
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else {
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t->mode = TFM_SHRINKFATTEN;
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t->transform = applyShrinkFatten;
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t->handleEvent = shrinkfatten_handleEvent;
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initMouseInputMode(t, &t->mouse, INPUT_VERTICAL_ABSOLUTE);
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t->idx_max = 0;
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t->num.idx_max = 0;
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t->snap[0] = 1.0f;
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t->snap[1] = t->snap[0] * 0.1f;
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copy_v3_fl(t->num.val_inc, t->snap[0]);
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t->num.unit_sys = t->scene->unit.system;
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t->num.unit_type[0] = B_UNIT_LENGTH;
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t->flag |= T_NO_CONSTRAINT;
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if (t->keymap) {
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/* Workaround to use the same key as the modal keymap. */
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t->custom.mode.data = (void *)WM_modalkeymap_find_propvalue(t->keymap, TFM_MODAL_RESIZE);
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}
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}
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}
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/** \} */
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