Differential D5819 Diff 18279 source/blender/editors/transform/transform_mode_timescale.c

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source/blender/editors/transform/transform_mode_timescale.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.
				*
				* The Original Code is Copyright (C) 2001-2002 by 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_nla.h"
				#include "BKE_context.h"
				#include "BKE_unit.h"

				#include "ED_screen.h"

				#include "UI_interface.h"

				#include "BLT_translation.h"

				#include "transform.h"
				#include "transform_ops.h"

				/* -------------------------------------------------------------------- */
				/* Transform (Animation Time Scale) */

				/** \name Transform Animation Time Scale
				* \{ */

				static void headerTimeScale(TransInfo *t, char str[UI_MAX_DRAW_STR])
				{
				char tvec[NUM_STR_REP_LEN * 3];

				if (hasNumInput(&t->num)) {
				outputNumInput(&(t->num), tvec, &t->scene->unit);
				}
				else {
				BLI_snprintf(&tvec[0], NUM_STR_REP_LEN, "%.4f", t->values_final[0]);
				}

				BLI_snprintf(str, UI_MAX_DRAW_STR, TIP_("ScaleX: %s"), &tvec[0]);
				}

				static void applyTimeScaleValue(TransInfo *t, float value)
				{
				Scene *scene = t->scene;
				int i;

				const short autosnap = getAnimEdit_SnapMode(t);
				const double secf = FPS;

				FOREACH_TRANS_DATA_CONTAINER (t, tc) {
				TransData *td = tc->data;
				TransData2D *td2d = tc->data_2d;
				for (i = 0; i < tc->data_len; i++, td++, td2d++) {
				/* it is assumed that td->extra is a pointer to the AnimData,
				* whose active action is where this keyframe comes from
				* (this is only valid when not in NLA)
				*/
				AnimData *adt = (t->spacetype != SPACE_NLA) ? td->extra : NULL;
				float startx = CFRA;
				float fac = value;

				if (autosnap == SACTSNAP_TSTEP) {
				fac = (float)(floor((double)fac / secf + 0.5) * secf);
				}
				else if (autosnap == SACTSNAP_STEP) {
				fac = floorf(fac + 0.5f);
				}

				/* take proportional editing into account */
				fac = ((fac - 1.0f) * td->factor) + 1;

				/* check if any need to apply nla-mapping */
				if (adt) {
				startx = BKE_nla_tweakedit_remap(adt, startx, NLATIME_CONVERT_UNMAP);
				}

				/* now, calculate the new value */
				(td->val) = ((td->ival - startx) fac) + startx;

				/* apply nearest snapping */
				doAnimEdit_SnapFrame(t, td, td2d, adt, autosnap);
				}
				}
				}

				static void applyTimeScale(TransInfo *t, const int UNUSED(mval[2]))
				{
				char str[UI_MAX_DRAW_STR];

				/* handle numeric-input stuff */
				t->vec[0] = t->values[0];
				applyNumInput(&t->num, &t->vec[0]);
				t->values_final[0] = t->vec[0];
				headerTimeScale(t, str);

				applyTimeScaleValue(t, t->values_final[0]);

				recalcData(t);

				ED_area_status_text(t->sa, str);
				}

				void initTimeScale(TransInfo *t)
				{
				float center[2];

				/* this tool is only really available in the Action Editor
				* AND NLA Editor (for strip scaling)
				*/
				if (ELEM(t->spacetype, SPACE_ACTION, SPACE_NLA) == 0) {
				t->state = TRANS_CANCEL;
				}

				t->mode = TFM_TIME_SCALE;
				t->transform = applyTimeScale;

				/* recalculate center2d to use CFRA and mouse Y, since that's
				* what is used in time scale */
				if ((t->flag & T_OVERRIDE_CENTER) == 0) {
				t->center_global[0] = t->scene->r.cfra;
				projectFloatView(t, t->center_global, center);
				center[1] = t->mouse.imval[1];
				}

				/* force a reinit with the center2d used here */
				initMouseInput(t, &t->mouse, center, t->mouse.imval, false);

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

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

				/* num-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] = 0.0f;
				t->snap[1] = t->snap[2] = 1.0f;

				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;
				}
				/** \} */