tornavis/source/blender/editors/transform/transform_mode_timetranslate.c

147 lines
3.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup edtransform
*/
#include <stdlib.h>
#include "DNA_anim_types.h"
#include "BLI_math.h"
#include "BLI_string.h"
#include "BKE_context.h"
#include "BKE_unit.h"
#include "ED_screen.h"
#include "UI_interface.h"
#include "UI_view2d.h"
#include "BLT_translation.h"
#include "transform.h"
#include "transform_convert.h"
#include "transform_snap.h"
#include "transform_mode.h"
/* -------------------------------------------------------------------- */
/** \name Transform (Animation Translation)
* \{ */
static void headerTimeTranslate(TransInfo *t, char str[UI_MAX_DRAW_STR])
{
char tvec[NUM_STR_REP_LEN * 3];
int ofs = 0;
/* if numeric input is active, use results from that, otherwise apply snapping to result */
if (hasNumInput(&t->num)) {
outputNumInput(&(t->num), tvec, &t->scene->unit);
}
else {
const short autosnap = getAnimEdit_SnapMode(t);
float ival = TRANS_DATA_CONTAINER_FIRST_OK(t)->data->ival;
float val = ival + t->values_final[0];
snapFrameTransform(t, autosnap, ival, val, &val);
float delta_x = val - ival;
if (ELEM(autosnap, SACTSNAP_SECOND, SACTSNAP_TSTEP)) {
/* Convert to seconds. */
const Scene *scene = t->scene;
const double secf = FPS;
delta_x /= secf;
val /= secf;
}
if (autosnap == SACTSNAP_FRAME) {
BLI_snprintf(&tvec[0], NUM_STR_REP_LEN, "%.2f (%.4f)", delta_x, val);
}
else if (autosnap == SACTSNAP_SECOND) {
BLI_snprintf(&tvec[0], NUM_STR_REP_LEN, "%.2f sec (%.4f)", delta_x, val);
}
else if (autosnap == SACTSNAP_TSTEP) {
BLI_snprintf(&tvec[0], NUM_STR_REP_LEN, "%.4f sec", delta_x);
}
else {
BLI_snprintf(&tvec[0], NUM_STR_REP_LEN, "%.4f", delta_x);
}
}
ofs += BLI_snprintf_rlen(str, UI_MAX_DRAW_STR, TIP_("DeltaX: %s"), &tvec[0]);
if (t->flag & T_PROP_EDIT_ALL) {
ofs += BLI_snprintf_rlen(
str + ofs, UI_MAX_DRAW_STR - ofs, TIP_(" Proportional size: %.2f"), t->prop_size);
}
}
static void applyTimeTranslateValue(TransInfo *t, const float deltax)
{
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
/* It doesn't matter whether we apply to t->data. */
TransData *td = tc->data;
for (int i = 0; i < tc->data_len; i++, td++) {
*(td->val) = td->loc[0] = td->ival + deltax * td->factor;
}
}
}
static void applyTimeTranslate(TransInfo *t, const int mval[2])
{
View2D *v2d = (View2D *)t->view;
char str[UI_MAX_DRAW_STR];
/* calculate translation amount from mouse movement - in 'time-grid space' */
if (t->flag & T_MODAL) {
float cval[2], sval[2];
UI_view2d_region_to_view(v2d, mval[0], mval[0], &cval[0], &cval[1]);
UI_view2d_region_to_view(v2d, t->mouse.imval[0], t->mouse.imval[0], &sval[0], &sval[1]);
/* we only need to calculate effect for time (applyTimeTranslate only needs that) */
t->values[0] = cval[0] - sval[0];
}
/* handle numeric-input stuff */
t->vec[0] = t->values[0];
applyNumInput(&t->num, &t->vec[0]);
t->values_final[0] = t->vec[0];
headerTimeTranslate(t, str);
applyTimeTranslateValue(t, t->values_final[0]);
recalcData(t);
ED_area_status_text(t->area, str);
}
void initTimeTranslate(TransInfo *t)
{
/* this tool is only really available in the Action Editor... */
if (!ELEM(t->spacetype, SPACE_ACTION, SPACE_SEQ)) {
t->state = TRANS_CANCEL;
}
t->transform = applyTimeTranslate;
initMouseInputMode(t, &t->mouse, INPUT_NONE);
/* Numeric-input has max of (n-1). */
t->idx_max = 0;
t->num.flag = 0;
t->num.idx_max = t->idx_max;
/* Initialize snap like for everything else. */
t->snap[0] = t->snap[1] = 1.0f;
copy_v3_fl(t->num.val_inc, t->snap[0]);
t->num.unit_sys = t->scene->unit.system;
/* No time unit supporting frames currently. */
t->num.unit_type[0] = B_UNIT_NONE;
}
/** \} */