2011-02-23 11:52:22 +01:00
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/*
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2008-12-29 21:37:54 +01:00
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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2010-02-12 14:34:04 +01:00
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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2008-12-29 21:37:54 +01:00
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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2011-02-27 21:29:51 +01:00
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/** \file blender/editors/transform/transform_input.c
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* \ingroup edtransform
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*/
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2008-12-29 21:37:54 +01:00
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#include <stdlib.h>
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#include <math.h>
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#include "DNA_screen_types.h"
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2018-04-23 00:42:17 +02:00
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#include "BKE_context.h"
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2009-11-10 21:43:45 +01:00
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#include "BLI_math.h"
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2011-01-07 19:36:47 +01:00
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#include "BLI_utildefines.h"
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2008-12-29 21:37:54 +01:00
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#include "WM_types.h"
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2018-04-23 00:42:17 +02:00
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#include "WM_api.h"
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2008-12-29 21:37:54 +01:00
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#include "transform.h"
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2009-09-21 14:23:56 +02:00
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#include "MEM_guardedalloc.h"
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2009-07-09 03:52:54 +02:00
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2008-12-29 21:37:54 +01:00
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/* ************************** INPUT FROM MOUSE *************************** */
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2015-10-30 07:31:07 +01:00
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static void InputVector(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2008-12-29 21:37:54 +01:00
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{
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2015-10-30 07:31:07 +01:00
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convertViewVec(t, output, mval[0] - mi->imval[0], mval[1] - mi->imval[1]);
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2008-12-29 21:37:54 +01:00
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}
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2015-10-30 07:31:07 +01:00
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static void InputSpring(TransInfo *UNUSED(t), MouseInput *mi, const double mval[2], float output[3])
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2008-12-29 21:37:54 +01:00
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{
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2015-10-30 07:31:07 +01:00
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double dx, dy;
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float ratio;
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2009-07-09 03:52:54 +02:00
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2015-12-02 05:52:47 +01:00
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dx = ((double)mi->center[0] - mval[0]);
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dy = ((double)mi->center[1] - mval[1]);
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ratio = hypot(dx, dy) / (double)mi->factor;
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2009-07-09 03:52:54 +02:00
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2008-12-29 21:37:54 +01:00
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output[0] = ratio;
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}
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2015-10-30 07:31:07 +01:00
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static void InputSpringFlip(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2008-12-29 21:37:54 +01:00
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{
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InputSpring(t, mi, mval, output);
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2009-07-09 03:52:54 +02:00
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2008-12-29 21:37:54 +01:00
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/* flip scale */
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2011-03-24 13:17:24 +01:00
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/* values can become really big when zoomed in so use longs [#26598] */
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2015-12-02 05:52:47 +01:00
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if ((int64_t)((int)mi->center[0] - mval[0]) * (int64_t)((int)mi->center[0] - mi->imval[0]) +
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(int64_t)((int)mi->center[1] - mval[1]) * (int64_t)((int)mi->center[1] - mi->imval[1]) < 0)
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2012-05-20 23:23:26 +02:00
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{
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2008-12-29 21:37:54 +01:00
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output[0] *= -1.0f;
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2012-05-20 23:23:26 +02:00
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}
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2008-12-29 21:37:54 +01:00
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}
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2015-10-30 07:31:07 +01:00
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static void InputSpringDelta(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2014-06-03 18:02:02 +02:00
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{
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InputSpring(t, mi, mval, output);
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output[0] -= 1.0f;
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}
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2015-10-30 07:31:07 +01:00
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static void InputTrackBall(TransInfo *UNUSED(t), MouseInput *mi, const double mval[2], float output[3])
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2008-12-29 21:37:54 +01:00
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{
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2015-10-30 07:31:07 +01:00
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output[0] = (float)(mi->imval[1] - mval[1]);
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output[1] = (float)(mval[0] - mi->imval[0]);
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2015-10-27 11:46:22 +01:00
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2015-10-30 07:31:07 +01:00
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output[0] *= mi->factor;
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output[1] *= mi->factor;
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2008-12-29 21:37:54 +01:00
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}
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2017-06-02 12:40:41 +02:00
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static void InputHorizontalRatio(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2011-09-28 07:53:40 +02:00
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{
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2016-01-29 05:03:49 +01:00
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const int winx = t->ar ? t->ar->winx : 1;
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2009-07-09 03:52:54 +02:00
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2017-06-02 12:40:41 +02:00
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output[0] = ((mval[0] - mi->imval[0]) / winx) * 2.0f;
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2008-12-29 21:37:54 +01:00
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}
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2015-10-30 07:31:07 +01:00
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static void InputHorizontalAbsolute(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2011-09-28 07:53:40 +02:00
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{
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2008-12-29 21:37:54 +01:00
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float vec[3];
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InputVector(t, mi, mval, vec);
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2009-11-10 21:43:45 +01:00
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project_v3_v3v3(vec, vec, t->viewinv[0]);
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2009-07-09 03:52:54 +02:00
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2009-11-10 21:43:45 +01:00
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output[0] = dot_v3v3(t->viewinv[0], vec) * 2.0f;
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2008-12-29 21:37:54 +01:00
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}
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2017-06-02 12:40:41 +02:00
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static void InputVerticalRatio(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2011-09-28 07:53:40 +02:00
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{
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2016-01-29 05:03:49 +01:00
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const int winy = t->ar ? t->ar->winy : 1;
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2008-12-29 21:37:54 +01:00
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2017-06-02 12:40:41 +02:00
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output[0] = ((mval[1] - mi->imval[1]) / winy) * 2.0f;
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2008-12-29 21:37:54 +01:00
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}
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2015-10-30 07:31:07 +01:00
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static void InputVerticalAbsolute(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2011-09-28 07:53:40 +02:00
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{
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2008-12-29 21:37:54 +01:00
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float vec[3];
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InputVector(t, mi, mval, vec);
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2009-11-10 21:43:45 +01:00
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project_v3_v3v3(vec, vec, t->viewinv[1]);
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2009-07-09 03:52:54 +02:00
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2009-11-10 21:43:45 +01:00
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output[0] = dot_v3v3(t->viewinv[1], vec) * 2.0f;
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2008-12-29 21:37:54 +01:00
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}
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2013-04-19 04:22:23 +02:00
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void setCustomPoints(TransInfo *UNUSED(t), MouseInput *mi, const int mval_start[2], const int mval_end[2])
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2009-09-21 02:48:36 +02:00
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{
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2011-05-12 18:47:36 +02:00
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int *data;
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2009-11-18 18:14:56 +01:00
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2013-04-24 17:06:42 +02:00
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mi->data = MEM_reallocN(mi->data, sizeof(int) * 4);
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2009-09-21 02:48:36 +02:00
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2009-11-18 18:14:56 +01:00
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data = mi->data;
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2013-04-19 04:22:23 +02:00
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data[0] = mval_start[0];
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data[1] = mval_start[1];
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data[2] = mval_end[0];
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data[3] = mval_end[1];
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2009-09-21 02:48:36 +02:00
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}
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2015-10-30 07:31:07 +01:00
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static void InputCustomRatioFlip(TransInfo *UNUSED(t), MouseInput *mi, const double mval[2], float output[3])
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2009-09-21 02:48:36 +02:00
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{
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2011-12-03 14:16:32 +01:00
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double length;
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double distance;
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double dx, dy;
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2014-04-26 16:22:49 +02:00
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const int *data = mi->data;
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2009-09-21 02:48:36 +02:00
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2009-11-18 18:14:56 +01:00
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if (data) {
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2015-10-30 07:31:07 +01:00
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int mdx, mdy;
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2009-11-18 18:14:56 +01:00
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dx = data[2] - data[0];
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dy = data[3] - data[1];
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2015-10-30 07:31:07 +01:00
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2014-06-14 09:27:50 +02:00
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length = hypot(dx, dy);
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2009-11-18 18:14:56 +01:00
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2015-10-30 07:31:07 +01:00
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mdx = mval[0] - data[2];
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mdy = mval[1] - data[3];
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2009-09-21 02:48:36 +02:00
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2015-10-30 07:31:07 +01:00
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distance = (length != 0.0) ? (mdx * dx + mdy * dy) / length : 0.0;
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2009-11-18 18:14:56 +01:00
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2012-05-22 23:16:59 +02:00
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output[0] = (length != 0.0) ? (double)(distance / length) : 0.0;
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2009-11-18 18:14:56 +01:00
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}
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2009-09-21 02:48:36 +02:00
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}
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2015-10-30 07:31:07 +01:00
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static void InputCustomRatio(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2013-01-31 23:18:37 +01:00
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{
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InputCustomRatioFlip(t, mi, mval, output);
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output[0] = -output[0];
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}
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2015-11-12 12:58:35 +01:00
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struct InputAngle_Data {
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double angle;
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double mval_prev[2];
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};
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2015-10-30 07:31:07 +01:00
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static void InputAngle(TransInfo *UNUSED(t), MouseInput *mi, const double mval[2], float output[3])
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2008-12-29 21:37:54 +01:00
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{
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2015-11-12 12:58:35 +01:00
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struct InputAngle_Data *data = mi->data;
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2015-12-02 05:52:47 +01:00
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double dx2 = mval[0] - (double)mi->center[0];
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double dy2 = mval[1] - (double)mi->center[1];
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2012-06-11 00:13:17 +02:00
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double B = sqrt(dx2 * dx2 + dy2 * dy2);
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2008-12-29 21:37:54 +01:00
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2015-12-02 05:52:47 +01:00
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double dx1 = data->mval_prev[0] - (double)mi->center[0];
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double dy1 = data->mval_prev[1] - (double)mi->center[1];
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2012-06-11 00:13:17 +02:00
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double A = sqrt(dx1 * dx1 + dy1 * dy1);
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2008-12-29 21:37:54 +01:00
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2015-11-12 12:58:35 +01:00
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double dx3 = mval[0] - data->mval_prev[0];
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double dy3 = mval[1] - data->mval_prev[1];
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2010-03-09 02:19:32 +01:00
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2014-04-25 03:19:21 +02:00
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/* use doubles here, to make sure a "1.0" (no rotation) doesn't become 9.999999e-01, which gives 0.02 for acos */
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2012-05-09 11:24:15 +02:00
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double deler = (((dx1 * dx1 + dy1 * dy1) +
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(dx2 * dx2 + dy2 * dy2) -
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2017-05-16 04:46:52 +02:00
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(dx3 * dx3 + dy3 * dy3)) / (2.0 * (((A * B) != 0.0) ? (A * B) : 1.0)));
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2013-02-02 05:58:03 +01:00
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/* ((A * B) ? (A * B) : 1.0) this takes care of potential divide by zero errors */
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2008-12-29 21:37:54 +01:00
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float dphi;
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2009-07-09 03:52:54 +02:00
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2008-12-29 21:37:54 +01:00
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dphi = saacos((float)deler);
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2012-06-11 00:13:17 +02:00
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if ((dx1 * dy2 - dx2 * dy1) > 0.0) dphi = -dphi;
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2008-12-29 21:37:54 +01:00
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/* If the angle is zero, because of lack of precision close to the 1.0 value in acos
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2010-07-26 21:00:15 +02:00
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* approximate the angle with the opposite side of the normalized triangle
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2008-12-29 21:37:54 +01:00
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* This is a good approximation here since the smallest acos value seems to be around
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* 0.02 degree and lower values don't even have a 0.01% error compared to the approximation
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2012-03-06 19:40:15 +01:00
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*/
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if (dphi == 0) {
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2008-12-29 21:37:54 +01:00
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double dx, dy;
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2009-07-09 03:52:54 +02:00
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2008-12-29 21:37:54 +01:00
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dx2 /= A;
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dy2 /= A;
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2009-07-09 03:52:54 +02:00
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2008-12-29 21:37:54 +01:00
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dx1 /= B;
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dy1 /= B;
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2009-07-09 03:52:54 +02:00
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2008-12-29 21:37:54 +01:00
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dx = dx1 - dx2;
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dy = dy1 - dy2;
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2009-07-09 03:52:54 +02:00
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2012-06-11 00:13:17 +02:00
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dphi = sqrt(dx * dx + dy * dy);
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if ((dx1 * dy2 - dx2 * dy1) > 0.0) dphi = -dphi;
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2008-12-29 21:37:54 +01:00
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}
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2009-07-09 03:52:54 +02:00
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2015-12-02 05:52:47 +01:00
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data->angle += ((double)dphi) * (mi->precision ? (double)mi->precision_factor : 1.0);
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2009-07-09 03:52:54 +02:00
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2015-11-12 12:58:35 +01:00
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data->mval_prev[0] = mval[0];
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data->mval_prev[1] = mval[1];
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2010-03-09 02:19:32 +01:00
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2015-11-12 12:58:35 +01:00
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output[0] = data->angle;
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2008-12-29 21:37:54 +01:00
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}
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2015-10-30 07:31:07 +01:00
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static void InputAngleSpring(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
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2013-10-13 03:09:23 +02:00
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{
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float toutput[3];
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InputAngle(t, mi, mval, output);
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InputSpring(t, mi, mval, toutput);
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output[1] = toutput[0];
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}
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2016-12-15 11:12:43 +01:00
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void initMouseInput(TransInfo *UNUSED(t), MouseInput *mi, const float center[2], const int mval[2], const bool precision)
|
2008-12-29 21:37:54 +01:00
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{
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mi->factor = 0;
|
2016-12-15 11:12:43 +01:00
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mi->precision = precision;
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2008-12-29 21:37:54 +01:00
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mi->center[0] = center[0];
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mi->center[1] = center[1];
|
2009-07-09 03:52:54 +02:00
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2008-12-29 21:37:54 +01:00
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mi->imval[0] = mval[0];
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mi->imval[1] = mval[1];
|
2010-03-09 02:19:32 +01:00
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mi->post = NULL;
|
2008-12-29 21:37:54 +01:00
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}
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static void calcSpringFactor(MouseInput *mi)
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|
|
{
|
2012-05-09 11:24:15 +02:00
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|
|
mi->factor = sqrtf(((float)(mi->center[1] - mi->imval[1])) * ((float)(mi->center[1] - mi->imval[1])) +
|
|
|
|
((float)(mi->center[0] - mi->imval[0])) * ((float)(mi->center[0] - mi->imval[0])));
|
|
|
|
|
|
|
|
if (mi->factor == 0.0f) {
|
2012-06-11 00:13:17 +02:00
|
|
|
mi->factor = 1.0f; /* prevent Inf */
|
2012-05-09 11:24:15 +02:00
|
|
|
}
|
2008-12-29 21:37:54 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
void initMouseInputMode(TransInfo *t, MouseInput *mi, MouseInputMode mode)
|
|
|
|
{
|
2013-02-11 03:06:19 +01:00
|
|
|
/* incase we allocate a new value */
|
|
|
|
void *mi_data_prev = mi->data;
|
2009-07-09 03:52:54 +02:00
|
|
|
|
2015-10-30 07:31:07 +01:00
|
|
|
mi->use_virtual_mval = true;
|
|
|
|
mi->precision_factor = 1.0f / 10.0f;
|
|
|
|
|
2012-04-28 08:31:57 +02:00
|
|
|
switch (mode) {
|
2012-06-11 00:13:17 +02:00
|
|
|
case INPUT_VECTOR:
|
|
|
|
mi->apply = InputVector;
|
|
|
|
t->helpline = HLP_NONE;
|
|
|
|
break;
|
|
|
|
case INPUT_SPRING:
|
|
|
|
calcSpringFactor(mi);
|
|
|
|
mi->apply = InputSpring;
|
|
|
|
t->helpline = HLP_SPRING;
|
|
|
|
break;
|
|
|
|
case INPUT_SPRING_FLIP:
|
|
|
|
calcSpringFactor(mi);
|
|
|
|
mi->apply = InputSpringFlip;
|
|
|
|
t->helpline = HLP_SPRING;
|
|
|
|
break;
|
2014-06-03 18:02:02 +02:00
|
|
|
case INPUT_SPRING_DELTA:
|
|
|
|
calcSpringFactor(mi);
|
|
|
|
mi->apply = InputSpringDelta;
|
|
|
|
t->helpline = HLP_SPRING;
|
|
|
|
break;
|
2012-06-11 00:13:17 +02:00
|
|
|
case INPUT_ANGLE:
|
2013-10-13 03:09:23 +02:00
|
|
|
case INPUT_ANGLE_SPRING:
|
2015-11-12 12:58:35 +01:00
|
|
|
{
|
|
|
|
struct InputAngle_Data *data;
|
2015-10-30 07:31:07 +01:00
|
|
|
mi->use_virtual_mval = false;
|
2015-11-12 12:58:35 +01:00
|
|
|
mi->precision_factor = 1.0f / 30.0f;
|
|
|
|
data = MEM_callocN(sizeof(struct InputAngle_Data), "angle accumulator");
|
|
|
|
data->mval_prev[0] = mi->imval[0];
|
|
|
|
data->mval_prev[1] = mi->imval[1];
|
|
|
|
mi->data = data;
|
|
|
|
if (mode == INPUT_ANGLE) {
|
|
|
|
mi->apply = InputAngle;
|
|
|
|
}
|
|
|
|
else {
|
2015-12-17 09:45:29 +01:00
|
|
|
calcSpringFactor(mi);
|
2015-11-12 12:58:35 +01:00
|
|
|
mi->apply = InputAngleSpring;
|
|
|
|
}
|
2013-10-13 03:09:23 +02:00
|
|
|
t->helpline = HLP_ANGLE;
|
|
|
|
break;
|
2015-11-12 12:58:35 +01:00
|
|
|
}
|
2012-06-11 00:13:17 +02:00
|
|
|
case INPUT_TRACKBALL:
|
2015-10-30 07:31:07 +01:00
|
|
|
mi->precision_factor = 1.0f / 30.0f;
|
2012-06-11 00:13:17 +02:00
|
|
|
/* factor has to become setting or so */
|
|
|
|
mi->factor = 0.01f;
|
|
|
|
mi->apply = InputTrackBall;
|
|
|
|
t->helpline = HLP_TRACKBALL;
|
|
|
|
break;
|
|
|
|
case INPUT_HORIZONTAL_RATIO:
|
|
|
|
mi->apply = InputHorizontalRatio;
|
|
|
|
t->helpline = HLP_HARROW;
|
|
|
|
break;
|
|
|
|
case INPUT_HORIZONTAL_ABSOLUTE:
|
|
|
|
mi->apply = InputHorizontalAbsolute;
|
|
|
|
t->helpline = HLP_HARROW;
|
|
|
|
break;
|
|
|
|
case INPUT_VERTICAL_RATIO:
|
|
|
|
mi->apply = InputVerticalRatio;
|
|
|
|
t->helpline = HLP_VARROW;
|
|
|
|
break;
|
|
|
|
case INPUT_VERTICAL_ABSOLUTE:
|
|
|
|
mi->apply = InputVerticalAbsolute;
|
|
|
|
t->helpline = HLP_VARROW;
|
|
|
|
break;
|
|
|
|
case INPUT_CUSTOM_RATIO:
|
|
|
|
mi->apply = InputCustomRatio;
|
|
|
|
t->helpline = HLP_NONE;
|
|
|
|
break;
|
2013-01-31 23:18:37 +01:00
|
|
|
case INPUT_CUSTOM_RATIO_FLIP:
|
|
|
|
mi->apply = InputCustomRatioFlip;
|
|
|
|
t->helpline = HLP_NONE;
|
|
|
|
break;
|
2012-06-11 00:13:17 +02:00
|
|
|
case INPUT_NONE:
|
|
|
|
default:
|
|
|
|
mi->apply = NULL;
|
|
|
|
break;
|
2008-12-29 21:37:54 +01:00
|
|
|
}
|
2009-07-09 03:52:54 +02:00
|
|
|
|
2018-04-23 00:42:17 +02:00
|
|
|
/* setup for the mouse cursor: either set a custom one,
|
|
|
|
* or hide it if it will be drawn with the helpline */
|
|
|
|
wmWindow *win = CTX_wm_window(t->context);
|
|
|
|
switch(t->helpline) {
|
2018-04-25 10:10:00 +02:00
|
|
|
case HLP_NONE:
|
|
|
|
/* INPUT_VECTOR, INPUT_CUSTOM_RATIO, INPUT_CUSTOM_RATIO_FLIP */
|
|
|
|
WM_cursor_set(win, BC_HANDCURSOR);
|
|
|
|
break;
|
|
|
|
case HLP_SPRING:
|
|
|
|
case HLP_ANGLE:
|
|
|
|
case HLP_TRACKBALL:
|
|
|
|
case HLP_HARROW:
|
|
|
|
case HLP_VARROW:
|
|
|
|
WM_cursor_set(win, CURSOR_NONE);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
2018-04-23 00:42:17 +02:00
|
|
|
}
|
|
|
|
|
2013-02-11 03:06:19 +01:00
|
|
|
/* if we've allocated new data, free the old data
|
|
|
|
* less hassle then checking before every alloc above */
|
|
|
|
if (mi_data_prev && (mi_data_prev != mi->data)) {
|
|
|
|
MEM_freeN(mi_data_prev);
|
|
|
|
}
|
|
|
|
|
2009-07-09 03:52:54 +02:00
|
|
|
/* bootstrap mouse input with initial values */
|
2008-12-29 21:37:54 +01:00
|
|
|
applyMouseInput(t, mi, mi->imval, t->values);
|
|
|
|
}
|
|
|
|
|
2013-01-14 09:02:06 +01:00
|
|
|
void setInputPostFct(MouseInput *mi, void (*post)(struct TransInfo *t, float values[3]))
|
2010-03-09 02:19:32 +01:00
|
|
|
{
|
|
|
|
mi->post = post;
|
|
|
|
}
|
|
|
|
|
2011-05-20 09:40:05 +02:00
|
|
|
void applyMouseInput(TransInfo *t, MouseInput *mi, const int mval[2], float output[3])
|
2008-12-29 21:37:54 +01:00
|
|
|
{
|
2015-10-30 07:31:07 +01:00
|
|
|
double mval_db[2];
|
|
|
|
|
|
|
|
if (mi->use_virtual_mval) {
|
|
|
|
/* update accumulator */
|
|
|
|
double mval_delta[2];
|
|
|
|
|
|
|
|
mval_delta[0] = (mval[0] - mi->imval[0]) - mi->virtual_mval.prev[0];
|
|
|
|
mval_delta[1] = (mval[1] - mi->imval[1]) - mi->virtual_mval.prev[1];
|
|
|
|
|
|
|
|
mi->virtual_mval.prev[0] += mval_delta[0];
|
|
|
|
mi->virtual_mval.prev[1] += mval_delta[1];
|
|
|
|
|
|
|
|
if (mi->precision) {
|
2015-12-02 05:52:47 +01:00
|
|
|
mval_delta[0] *= (double)mi->precision_factor;
|
|
|
|
mval_delta[1] *= (double)mi->precision_factor;
|
2015-10-30 07:31:07 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
mi->virtual_mval.accum[0] += mval_delta[0];
|
|
|
|
mi->virtual_mval.accum[1] += mval_delta[1];
|
|
|
|
|
|
|
|
mval_db[0] = mi->imval[0] + mi->virtual_mval.accum[0];
|
|
|
|
mval_db[1] = mi->imval[1] + mi->virtual_mval.accum[1];
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
mval_db[0] = mval[0];
|
|
|
|
mval_db[1] = mval[1];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2012-03-06 19:40:15 +01:00
|
|
|
if (mi->apply != NULL) {
|
2015-10-30 07:31:07 +01:00
|
|
|
mi->apply(t, mi, mval_db, output);
|
2008-12-29 21:37:54 +01:00
|
|
|
}
|
2010-03-09 02:19:32 +01:00
|
|
|
|
2012-03-06 19:40:15 +01:00
|
|
|
if (mi->post) {
|
2010-03-09 02:19:32 +01:00
|
|
|
mi->post(t, output);
|
|
|
|
}
|
2008-12-29 21:37:54 +01:00
|
|
|
}
|
|
|
|
|
2013-10-23 08:48:36 +02:00
|
|
|
eRedrawFlag handleMouseInput(TransInfo *t, MouseInput *mi, const wmEvent *event)
|
2008-12-29 21:37:54 +01:00
|
|
|
{
|
2013-10-23 08:48:36 +02:00
|
|
|
eRedrawFlag redraw = TREDRAW_NOTHING;
|
2009-07-09 03:52:54 +02:00
|
|
|
|
2012-04-28 08:31:57 +02:00
|
|
|
switch (event->type) {
|
2012-06-11 00:13:17 +02:00
|
|
|
case LEFTSHIFTKEY:
|
|
|
|
case RIGHTSHIFTKEY:
|
|
|
|
if (event->val == KM_PRESS) {
|
|
|
|
t->modifiers |= MOD_PRECISION;
|
2015-10-30 07:31:07 +01:00
|
|
|
/* shift is modifier for higher precision transforn */
|
2012-06-11 00:13:17 +02:00
|
|
|
mi->precision = 1;
|
2012-12-13 08:32:31 +01:00
|
|
|
redraw = TREDRAW_HARD;
|
2012-06-11 00:13:17 +02:00
|
|
|
}
|
2012-12-14 05:38:52 +01:00
|
|
|
else if (event->val == KM_RELEASE) {
|
2012-06-11 00:13:17 +02:00
|
|
|
t->modifiers &= ~MOD_PRECISION;
|
|
|
|
mi->precision = 0;
|
2012-12-13 08:32:31 +01:00
|
|
|
redraw = TREDRAW_HARD;
|
2012-06-11 00:13:17 +02:00
|
|
|
}
|
|
|
|
break;
|
2008-12-29 21:37:54 +01:00
|
|
|
}
|
2009-07-09 03:52:54 +02:00
|
|
|
|
2008-12-29 21:37:54 +01:00
|
|
|
return redraw;
|
|
|
|
}
|