212 lines
5.7 KiB
C
212 lines
5.7 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 "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 (Rotation - Trackball) 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_Trackball {
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const TransInfo *t;
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const TransDataContainer *tc;
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const float axis[3];
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const float angle;
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float mat_final[3][3];
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};
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static void transdata_elem_trackball(const TransInfo *t,
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const TransDataContainer *tc,
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TransData *td,
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const float axis[3],
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const float angle,
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const float mat_final[3][3])
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{
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float mat_buf[3][3];
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const float(*mat)[3] = mat_final;
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if (t->flag & T_PROP_EDIT) {
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axis_angle_normalized_to_mat3(mat_buf, axis, td->factor * angle);
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mat = mat_buf;
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}
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ElementRotation(t, tc, td, mat, t->around);
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}
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static void transdata_elem_trackball_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_Trackball *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_trackball(data->t, data->tc, td, data->axis, data->angle, data->mat_final);
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name Transform (Rotation - Trackball)
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* \{ */
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static void applyTrackballValue_calc_axis_angle(const TransInfo *t,
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const float phi[2],
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float r_axis[3],
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float *r_angle)
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{
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float axis1[3], axis2[3];
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normalize_v3_v3(axis1, t->persinv[0]);
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normalize_v3_v3(axis2, t->persinv[1]);
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mul_v3_v3fl(r_axis, axis1, phi[0]);
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madd_v3_v3fl(r_axis, axis2, phi[1]);
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*r_angle = normalize_v3(r_axis);
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}
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static void applyTrackballValue(TransInfo *t, const float axis[3], const float angle)
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{
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float mat_final[3][3];
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int i;
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axis_angle_normalized_to_mat3(mat_final, axis, angle);
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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_trackball(t, tc, td, axis, angle, mat_final);
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}
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}
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else {
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struct TransDataArgs_Trackball data = {
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.t = t,
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.tc = tc,
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.axis = {UNPACK3(axis)},
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.angle = angle,
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};
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copy_m3_m3(data.mat_final, mat_final);
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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_trackball_fn, &settings);
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}
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}
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}
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static void applyTrackball(TransInfo *t, const int UNUSED(mval[2]))
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{
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char str[UI_MAX_DRAW_STR];
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size_t ofs = 0;
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float phi[2];
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copy_v2_v2(phi, t->values);
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transform_snap_increment(t, phi);
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applyNumInput(&t->num, phi);
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copy_v2_v2(t->values_final, phi);
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if (hasNumInput(&t->num)) {
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char c[NUM_STR_REP_LEN * 2];
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outputNumInput(&(t->num), c, &t->scene->unit);
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ofs += BLI_snprintf_rlen(str + ofs,
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sizeof(str) - ofs,
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TIP_("Trackball: %s %s %s"),
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&c[0],
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&c[NUM_STR_REP_LEN],
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t->proptext);
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}
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else {
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ofs += BLI_snprintf_rlen(str + ofs,
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sizeof(str) - ofs,
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TIP_("Trackball: %.2f %.2f %s"),
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RAD2DEGF(phi[0]),
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RAD2DEGF(phi[1]),
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t->proptext);
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}
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if (t->flag & T_PROP_EDIT_ALL) {
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ofs += BLI_snprintf_rlen(
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str + ofs, sizeof(str) - ofs, TIP_(" Proportional size: %.2f"), t->prop_size);
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}
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float axis_final[3], angle_final;
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applyTrackballValue_calc_axis_angle(t, phi, axis_final, &angle_final);
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applyTrackballValue(t, axis_final, angle_final);
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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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static void applyTrackballMatrix(TransInfo *t, float mat_xform[4][4])
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{
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const float phi[2] = {UNPACK2(t->values_final)};
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float axis_final[3], angle_final;
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applyTrackballValue_calc_axis_angle(t, phi, axis_final, &angle_final);
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float mat3[3][3], mat4[4][4];
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axis_angle_normalized_to_mat3(mat3, axis_final, angle_final);
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copy_m4_m3(mat4, mat3);
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transform_pivot_set_m4(mat4, t->center_global);
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mul_m4_m4m4(mat_xform, mat4, mat_xform);
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}
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void initTrackball(TransInfo *t)
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{
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t->mode = TFM_TRACKBALL;
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t->transform = applyTrackball;
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t->transform_matrix = applyTrackballMatrix;
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initMouseInputMode(t, &t->mouse, INPUT_TRACKBALL);
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t->idx_max = 1;
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t->num.idx_max = 1;
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t->snap[0] = DEG2RAD(5.0);
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t->snap[1] = DEG2RAD(1.0);
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copy_v3_fl(t->num.val_inc, t->snap[1]);
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t->num.unit_sys = t->scene->unit.system;
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t->num.unit_use_radians = (t->scene->unit.system_rotation == USER_UNIT_ROT_RADIANS);
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t->num.unit_type[0] = B_UNIT_ROTATION;
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t->num.unit_type[1] = B_UNIT_ROTATION;
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t->flag |= T_NO_CONSTRAINT;
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}
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/** \} */
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