140 lines
3.4 KiB
C
140 lines
3.4 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 "DNA_anim_types.h"
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#include "BLI_math.h"
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#include "BLI_string.h"
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#include "BKE_context.h"
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#include "BKE_nla.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 (Animation Time Scale)
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* \{ */
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static void headerTimeScale(TransInfo *t, char str[UI_MAX_DRAW_STR])
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{
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char tvec[NUM_STR_REP_LEN * 3];
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if (hasNumInput(&t->num)) {
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outputNumInput(&(t->num), tvec, &t->scene->unit);
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}
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else {
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BLI_snprintf(&tvec[0], NUM_STR_REP_LEN, "%.4f", t->values_final[0]);
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}
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BLI_snprintf(str, UI_MAX_DRAW_STR, TIP_("ScaleX: %s"), &tvec[0]);
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}
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static void applyTimeScaleValue(TransInfo *t, float value)
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{
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Scene *scene = t->scene;
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FOREACH_TRANS_DATA_CONTAINER (t, tc) {
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TransData *td = tc->data;
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TransData2D *td2d = tc->data_2d;
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for (int i = 0; i < tc->data_len; i++, td++, td2d++) {
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/* it is assumed that td->extra is a pointer to the AnimData,
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* whose active action is where this keyframe comes from
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* (this is only valid when not in NLA)
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*/
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AnimData *adt = (t->spacetype != SPACE_NLA) ? td->extra : NULL;
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float startx = scene->r.cfra;
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float fac = value;
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/* take proportional editing into account */
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fac = ((fac - 1.0f) * td->factor) + 1;
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/* check if any need to apply nla-mapping */
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if (adt) {
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startx = BKE_nla_tweakedit_remap(adt, startx, NLATIME_CONVERT_UNMAP);
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}
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/* now, calculate the new value */
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td->loc[0] = ((td->iloc[0] - startx) * fac) + startx;
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}
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}
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}
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static void applyTimeScale(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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/* handle numeric-input stuff */
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t->vec[0] = t->values[0];
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applyNumInput(&t->num, &t->vec[0]);
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t->values_final[0] = t->vec[0];
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headerTimeScale(t, str);
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applyTimeScaleValue(t, t->values_final[0]);
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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 initTimeScale(TransInfo *t)
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{
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float center[2];
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/* this tool is only really available in the Action Editor
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* AND NLA Editor (for strip scaling)
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*/
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if (ELEM(t->spacetype, SPACE_ACTION, SPACE_NLA) == 0) {
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t->state = TRANS_CANCEL;
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}
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t->mode = TFM_TIME_SCALE;
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t->transform = applyTimeScale;
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/* recalculate center2d to use scene->r.cfra and mouse Y, since that's
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* what is used in time scale */
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if ((t->flag & T_OVERRIDE_CENTER) == 0) {
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t->center_global[0] = t->scene->r.cfra;
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projectFloatView(t, t->center_global, center);
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center[1] = t->mouse.imval[1];
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}
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/* force a reinit with the center2d used here */
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initMouseInput(t, &t->mouse, center, t->mouse.imval, false);
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initMouseInputMode(t, &t->mouse, INPUT_SPRING_FLIP);
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t->flag |= T_NULL_ONE;
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t->num.val_flag[0] |= NUM_NULL_ONE;
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/* Numeric-input has max of (n-1). */
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t->idx_max = 0;
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t->num.flag = 0;
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t->num.idx_max = t->idx_max;
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/* Initialize snap like for everything else. */
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t->snap[0] = t->snap[1] = 1.0f;
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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_NONE;
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}
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/** \} */
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