703 lines
18 KiB
C++
703 lines
18 KiB
C++
/**
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* Do Ipo stuff
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*
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL 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. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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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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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#if defined (__sgi)
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#include <math.h>
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#else
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#include <cmath>
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#endif
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#include "KX_IpoActuator.h"
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#include "KX_GameObject.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "KX_KetsjiEngine.h"
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/* ------------------------------------------------------------------------- */
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/* Type strings */
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/* ------------------------------------------------------------------------- */
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STR_String KX_IpoActuator::S_KX_ACT_IPO_PLAY_STRING = "Play";
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STR_String KX_IpoActuator::S_KX_ACT_IPO_PINGPONG_STRING = "PingPong";
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STR_String KX_IpoActuator::S_KX_ACT_IPO_FLIPPER_STRING = "Flipper";
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STR_String KX_IpoActuator::S_KX_ACT_IPO_LOOPSTOP_STRING = "LoopStop";
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STR_String KX_IpoActuator::S_KX_ACT_IPO_LOOPEND_STRING = "LoopEnd";
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STR_String KX_IpoActuator::S_KX_ACT_IPO_KEY2KEY_STRING = "Key2key";
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STR_String KX_IpoActuator::S_KX_ACT_IPO_FROM_PROP_STRING = "FromProp";
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/* ------------------------------------------------------------------------- */
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/* Native functions */
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/* ------------------------------------------------------------------------- */
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/** Another poltergeist? This seems to be a very transient class... */
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class CIpoAction : public CAction
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{
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float m_curtime;
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bool m_resurse;
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KX_GameObject* m_gameobj;
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bool m_ipo_as_force;
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bool m_force_ipo_local;
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public:
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CIpoAction(KX_GameObject* gameobj,
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float curtime,
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bool recurse,
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bool ipo_as_force,
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bool force_ipo_local) :
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m_curtime(curtime) ,
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m_resurse(recurse),
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m_gameobj(gameobj),
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m_ipo_as_force(ipo_as_force),
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m_force_ipo_local(force_ipo_local)
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{
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/* intentionally empty */
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};
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virtual void Execute() const
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{
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m_gameobj->UpdateIPO(
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m_curtime,
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m_resurse,
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m_ipo_as_force,
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m_force_ipo_local);
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};
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};
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KX_IpoActuator::KX_IpoActuator(SCA_IObject* gameobj,
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const STR_String& propname,
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float starttime,
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float endtime,
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bool recurse,
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int acttype,
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bool ipo_as_force,
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bool force_ipo_local,
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PyTypeObject* T)
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: SCA_IActuator(gameobj,T),
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m_bNegativeEvent(false),
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m_startframe (starttime),
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m_endframe(endtime),
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m_recurse(recurse),
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m_localtime(starttime),
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m_direction(1),
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m_propname(propname),
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m_ipo_as_force(ipo_as_force),
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m_force_ipo_local(force_ipo_local),
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m_type((IpoActType)acttype)
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{
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m_starttime = -2.0*fabs(m_endframe - m_startframe) - 1.0;
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}
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void KX_IpoActuator::SetStart(float starttime)
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{
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m_startframe=starttime;
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}
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void KX_IpoActuator::SetEnd(float endtime)
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{
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m_endframe=endtime;
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}
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bool KX_IpoActuator::ClampLocalTime()
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{
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if (m_startframe < m_endframe)
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{
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if (m_localtime < m_startframe)
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{
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m_localtime = m_startframe;
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return true;
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}
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else if (m_localtime > m_endframe)
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{
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m_localtime = m_endframe;
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return true;
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}
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} else {
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if (m_localtime > m_startframe)
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{
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m_localtime = m_startframe;
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return true;
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}
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else if (m_localtime < m_endframe)
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{
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m_localtime = m_endframe;
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return true;
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}
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}
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return false;
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}
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void KX_IpoActuator::SetStartTime(float curtime)
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{
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float direction = m_startframe < m_endframe ? 1.0 : -1.0;
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curtime = curtime - KX_KetsjiEngine::GetSuspendedDelta();
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if (m_direction > 0)
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m_starttime = curtime - direction*(m_localtime - m_startframe)/KX_FIXED_FRAME_PER_SEC;
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else
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m_starttime = curtime - direction*(m_endframe - m_localtime)/KX_FIXED_FRAME_PER_SEC;
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}
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void KX_IpoActuator::SetLocalTime(float curtime)
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{
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float delta_time = ((curtime - m_starttime) - KX_KetsjiEngine::GetSuspendedDelta())*KX_FIXED_FRAME_PER_SEC;
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// negative delta_time is caused by floating point inaccuracy
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// perhaps the inaccuracy could be reduced a bit
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if ((m_localtime==m_startframe || m_localtime==m_endframe) && delta_time<0.0)
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{
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delta_time = 0.0;
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}
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if (m_endframe < m_startframe)
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delta_time = -delta_time;
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if (m_direction > 0)
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m_localtime = m_startframe + delta_time;
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else
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m_localtime = m_endframe - delta_time;
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}
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bool KX_IpoActuator::Update(double curtime, bool frame)
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{
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// result = true if animation has to be continued, false if animation stops
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// maybe there are events for us in the queue !
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bool bNegativeEvent = false;
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int numevents = 0;
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if (frame)
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{
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numevents = m_events.size();
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for (vector<CValue*>::iterator i=m_events.end(); !(i==m_events.begin());)
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{
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--i;
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if ((*i)->GetNumber() == 0.0f)
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bNegativeEvent = true;
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(*i)->Release();
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}
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m_events.clear();
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if (bNegativeEvent)
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RemoveAllEvents();
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}
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double start_smaller_then_end = ( m_startframe < m_endframe ? 1.0 : -1.0);
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bool result=true;
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if (m_starttime < -2.0*start_smaller_then_end*(m_endframe - m_startframe))
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m_starttime = curtime - KX_KetsjiEngine::GetSuspendedDelta();
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switch (m_type)
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{
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case KX_ACT_IPO_PLAY:
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{
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// Check if playing forwards. result = ! finished
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if (start_smaller_then_end > 0.0)
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result = (m_localtime < m_endframe && !(m_localtime == m_startframe && bNegativeEvent));
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else
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result = (m_localtime > m_endframe && !(m_localtime == m_startframe && bNegativeEvent));
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if (result)
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{
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SetLocalTime(curtime);
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/* Perform clamping */
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ClampLocalTime();
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CIpoAction ipoaction(
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(KX_GameObject*)GetParent(),
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m_localtime,
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m_recurse,
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m_ipo_as_force,
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m_force_ipo_local);
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GetParent()->Execute(ipoaction);
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} else
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{
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m_localtime=m_startframe;
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SetStartTime(curtime);
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m_direction=1;
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}
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break;
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}
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case KX_ACT_IPO_PINGPONG:
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{
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result = true;
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if (bNegativeEvent && ((m_localtime == m_startframe )|| (m_localtime == m_endframe)))
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result = false;
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else
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SetLocalTime(curtime);
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if (ClampLocalTime())
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{
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result = false;
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m_direction = -m_direction;
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}
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CIpoAction ipoaction(
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(KX_GameObject*) GetParent(),
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m_localtime,
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m_recurse,
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m_ipo_as_force,
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m_force_ipo_local);
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GetParent()->Execute(ipoaction);
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break;
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}
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case KX_ACT_IPO_FLIPPER:
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{
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result = !(bNegativeEvent && (m_localtime == m_startframe));
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if (numevents)
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{
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if (bNegativeEvent)
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m_direction = -1;
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else
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m_direction = 1;
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SetStartTime(curtime);
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}
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SetLocalTime(curtime);
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if (ClampLocalTime() && m_localtime == m_startframe)
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result = false;
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CIpoAction ipoaction(
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(KX_GameObject*) GetParent(),
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m_localtime,
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m_recurse,
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m_ipo_as_force,
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m_force_ipo_local);
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GetParent()->Execute(ipoaction);
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break;
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}
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case KX_ACT_IPO_LOOPSTOP:
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{
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if (numevents)
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{
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if (bNegativeEvent)
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{
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result = false;
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m_bNegativeEvent = false;
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numevents = 0;
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}
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SetStartTime(curtime);
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} // fall through to loopend, and quit the ipo animation immediatly
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}
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case KX_ACT_IPO_LOOPEND:
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{
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if (numevents){
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if (bNegativeEvent){
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m_bNegativeEvent = true;
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}
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}
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if (bNegativeEvent && m_localtime == m_startframe){
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result = false;
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}
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else
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{
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if (m_localtime*start_smaller_then_end < m_endframe*start_smaller_then_end)
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{
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SetLocalTime(curtime);
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}
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else{
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if (!m_bNegativeEvent){
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/* Perform wraparound */
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SetLocalTime(curtime);
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m_localtime = m_startframe + fmod(m_localtime, m_startframe - m_endframe);
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SetStartTime(curtime);
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}
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else
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{
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/* Perform clamping */
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m_localtime=m_endframe;
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result = false;
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m_bNegativeEvent = false;
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}
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}
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}
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CIpoAction ipoaction(
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(KX_GameObject*) GetParent(),
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m_localtime,
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m_recurse,
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m_ipo_as_force,
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m_force_ipo_local);
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GetParent()->Execute(ipoaction);
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break;
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}
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case KX_ACT_IPO_KEY2KEY:
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{
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// not implemented yet
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result = false;
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break;
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}
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case KX_ACT_IPO_FROM_PROP:
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{
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result = !bNegativeEvent;
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CValue* propval = GetParent()->GetProperty(m_propname);
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if (propval)
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{
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m_localtime = propval->GetNumber();
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CIpoAction ipoaction(
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(KX_GameObject*) GetParent(),
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m_localtime,
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m_recurse,
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m_ipo_as_force,
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m_force_ipo_local);
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GetParent()->Execute(ipoaction);
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} else
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{
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result = false;
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}
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break;
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}
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default:
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result = false;
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}
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if (!result && m_type != KX_ACT_IPO_LOOPSTOP)
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m_starttime = -2.0*start_smaller_then_end*(m_endframe - m_startframe) - 1.0;
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return result;
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}
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KX_IpoActuator::IpoActType KX_IpoActuator::string2mode(char* modename) {
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IpoActType res = KX_ACT_IPO_NODEF;
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if (modename == S_KX_ACT_IPO_PLAY_STRING) {
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res = KX_ACT_IPO_PLAY;
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} else if (modename == S_KX_ACT_IPO_PINGPONG_STRING) {
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res = KX_ACT_IPO_PINGPONG;
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} else if (modename == S_KX_ACT_IPO_FLIPPER_STRING) {
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res = KX_ACT_IPO_FLIPPER;
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} else if (modename == S_KX_ACT_IPO_LOOPSTOP_STRING) {
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res = KX_ACT_IPO_LOOPSTOP;
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} else if (modename == S_KX_ACT_IPO_LOOPEND_STRING) {
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res = KX_ACT_IPO_LOOPEND;
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} else if (modename == S_KX_ACT_IPO_KEY2KEY_STRING) {
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res = KX_ACT_IPO_KEY2KEY;
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} else if (modename == S_KX_ACT_IPO_FROM_PROP_STRING) {
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res = KX_ACT_IPO_FROM_PROP;
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}
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return res;
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}
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/* ------------------------------------------------------------------------- */
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/* Python functions */
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/* ------------------------------------------------------------------------- */
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/* Integration hooks ------------------------------------------------------- */
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PyTypeObject KX_IpoActuator::Type = {
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PyObject_HEAD_INIT(&PyType_Type)
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0,
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"KX_IpoActuator",
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sizeof(KX_IpoActuator),
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0,
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PyDestructor,
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0,
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__getattr,
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__setattr,
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0, //&MyPyCompare,
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__repr,
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0, //&cvalue_as_number,
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0,
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0,
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0,
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0
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};
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PyParentObject KX_IpoActuator::Parents[] = {
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&KX_IpoActuator::Type,
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&SCA_IActuator::Type,
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&SCA_ILogicBrick::Type,
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&CValue::Type,
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NULL
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};
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PyMethodDef KX_IpoActuator::Methods[] = {
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{"set", (PyCFunction) KX_IpoActuator::sPySet,
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METH_VARARGS, Set_doc},
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{"setProperty", (PyCFunction) KX_IpoActuator::sPySetProperty,
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METH_VARARGS, SetProperty_doc},
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{"setStart", (PyCFunction) KX_IpoActuator::sPySetStart,
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METH_VARARGS, SetStart_doc},
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{"getStart", (PyCFunction) KX_IpoActuator::sPyGetStart,
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METH_VARARGS, GetStart_doc},
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{"setEnd", (PyCFunction) KX_IpoActuator::sPySetEnd,
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METH_VARARGS, SetEnd_doc},
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{"getEnd", (PyCFunction) KX_IpoActuator::sPyGetEnd,
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METH_VARARGS, GetEnd_doc},
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{"setIpoAsForce", (PyCFunction) KX_IpoActuator::sPySetIpoAsForce,
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METH_VARARGS, SetIpoAsForce_doc},
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{"getIpoAsForce", (PyCFunction) KX_IpoActuator::sPyGetIpoAsForce,
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METH_VARARGS, GetIpoAsForce_doc},
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{"setType", (PyCFunction) KX_IpoActuator::sPySetType,
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METH_VARARGS, SetType_doc},
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{"getType", (PyCFunction) KX_IpoActuator::sPyGetType,
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METH_VARARGS, GetType_doc},
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{"setForceIpoActsLocal", (PyCFunction) KX_IpoActuator::sPySetForceIpoActsLocal,
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METH_VARARGS, SetForceIpoActsLocal_doc},
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{"getForceIpoActsLocal", (PyCFunction) KX_IpoActuator::sPyGetForceIpoActsLocal,
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METH_VARARGS, GetForceIpoActsLocal_doc},
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{NULL,NULL} //Sentinel
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};
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PyObject* KX_IpoActuator::_getattr(const STR_String& attr) {
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_getattr_up(SCA_IActuator);
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}
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/* set --------------------------------------------------------------------- */
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char KX_IpoActuator::Set_doc[] =
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"set(mode, startframe, endframe, force?)\n"
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"\t - mode: Play, PingPong, Flipper, LoopStop, LoopEnd or FromProp (string)\n"
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"\t - startframe: first frame to use (int)\n"
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"\t - endframe : last frame to use (int)\n"
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"\t - force? : interpret this ipo as a force? (KX_TRUE, KX_FALSE)"
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"\tSet the properties of the actuator.\n";
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PyObject* KX_IpoActuator::PySet(PyObject* self,
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PyObject* args,
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PyObject* kwds) {
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/* sets modes PLAY, PINGPONG, FLIPPER, LOOPSTOP, LOOPEND */
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/* arg 1 = mode string, arg 2 = startframe, arg3 = stopframe, */
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/* arg4 = force toggle */
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char* mode;
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int forceToggle;
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IpoActType modenum;
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int startFrame, stopFrame;
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if(!PyArg_ParseTuple(args, "siii", &mode, &startFrame,
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&stopFrame, &forceToggle)) {
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return NULL;
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}
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modenum = string2mode(mode);
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switch (modenum) {
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case KX_ACT_IPO_PLAY:
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case KX_ACT_IPO_PINGPONG:
|
|
case KX_ACT_IPO_FLIPPER:
|
|
case KX_ACT_IPO_LOOPSTOP:
|
|
case KX_ACT_IPO_LOOPEND:
|
|
m_type = modenum;
|
|
m_startframe = startFrame;
|
|
m_endframe = stopFrame;
|
|
m_ipo_as_force = PyArgToBool(forceToggle);
|
|
break;
|
|
default:
|
|
; /* error */
|
|
}
|
|
|
|
Py_Return;
|
|
}
|
|
|
|
/* set property ----------------------------------------------------------- */
|
|
char KX_IpoActuator::SetProperty_doc[] =
|
|
"setProperty(propname)\n"
|
|
"\t - propname: name of the property (string)\n"
|
|
"\tSet the property to be used in FromProp mode.\n";
|
|
PyObject* KX_IpoActuator::PySetProperty(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
/* mode is implicit here, but not supported yet... */
|
|
/* args: property */
|
|
char *propertyName;
|
|
if(!PyArg_ParseTuple(args, "s", &propertyName)) {
|
|
return NULL;
|
|
}
|
|
|
|
m_propname = propertyName;
|
|
|
|
Py_Return;
|
|
}
|
|
|
|
/* 4. setStart: */
|
|
char KX_IpoActuator::SetStart_doc[] =
|
|
"setStart(frame)\n"
|
|
"\t - frame: first frame to use (int)\n"
|
|
"\tSet the frame from which the ipo starts playing.\n";
|
|
PyObject* KX_IpoActuator::PySetStart(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
float startArg;
|
|
if(!PyArg_ParseTuple(args, "f", &startArg)) {
|
|
return NULL;
|
|
}
|
|
|
|
m_startframe = startArg;
|
|
|
|
Py_Return;
|
|
}
|
|
/* 5. getStart: */
|
|
char KX_IpoActuator::GetStart_doc[] =
|
|
"getStart()\n"
|
|
"\tReturns the frame from which the ipo starts playing.\n";
|
|
PyObject* KX_IpoActuator::PyGetStart(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
return PyFloat_FromDouble(m_startframe);
|
|
}
|
|
|
|
/* 6. setEnd: */
|
|
char KX_IpoActuator::SetEnd_doc[] =
|
|
"setEnd(frame)\n"
|
|
"\t - frame: last frame to use (int)\n"
|
|
"\tSet the frame at which the ipo stops playing.\n";
|
|
PyObject* KX_IpoActuator::PySetEnd(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
float endArg;
|
|
if(!PyArg_ParseTuple(args, "f", &endArg)) {
|
|
return NULL;
|
|
}
|
|
|
|
m_endframe = endArg;
|
|
|
|
Py_Return;
|
|
}
|
|
/* 7. getEnd: */
|
|
char KX_IpoActuator::GetEnd_doc[] =
|
|
"getEnd()\n"
|
|
"\tReturns the frame at which the ipo stops playing.\n";
|
|
PyObject* KX_IpoActuator::PyGetEnd(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
return PyFloat_FromDouble(m_endframe);
|
|
}
|
|
|
|
/* 6. setIpoAsForce: */
|
|
char KX_IpoActuator::SetIpoAsForce_doc[] =
|
|
"setIpoAsForce(force?)\n"
|
|
"\t - force? : interpret this ipo as a force? (KX_TRUE, KX_FALSE)\n"
|
|
"\tSet whether to interpret the ipo as a force rather than a displacement.\n";
|
|
PyObject* KX_IpoActuator::PySetIpoAsForce(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
int boolArg;
|
|
|
|
if (!PyArg_ParseTuple(args, "i", &boolArg)) {
|
|
return NULL;
|
|
}
|
|
|
|
m_ipo_as_force = PyArgToBool(boolArg);
|
|
|
|
Py_Return;
|
|
}
|
|
/* 7. getIpoAsForce: */
|
|
char KX_IpoActuator::GetIpoAsForce_doc[] =
|
|
"getIpoAsForce()\n"
|
|
"\tReturns whether to interpret the ipo as a force rather than a displacement.\n";
|
|
PyObject* KX_IpoActuator::PyGetIpoAsForce(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
return BoolToPyArg(m_ipo_as_force);
|
|
}
|
|
|
|
/* 8. setType: */
|
|
char KX_IpoActuator::SetType_doc[] =
|
|
"setType(mode)\n"
|
|
"\t - mode: Play, PingPong, Flipper, LoopStop, LoopEnd or FromProp (string)\n"
|
|
"\tSet the operation mode of the actuator.\n";
|
|
PyObject* KX_IpoActuator::PySetType(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
int typeArg;
|
|
|
|
if (!PyArg_ParseTuple(args, "i", &typeArg)) {
|
|
return NULL;
|
|
}
|
|
|
|
if ( (typeArg > KX_ACT_IPO_NODEF)
|
|
&& (typeArg < KX_ACT_IPO_KEY2KEY) ) {
|
|
m_type = (IpoActType) typeArg;
|
|
}
|
|
|
|
Py_Return;
|
|
}
|
|
/* 9. getType: */
|
|
char KX_IpoActuator::GetType_doc[] =
|
|
"getType()\n"
|
|
"\tReturns the operation mode of the actuator.\n";
|
|
PyObject* KX_IpoActuator::PyGetType(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
return PyInt_FromLong(m_type);
|
|
}
|
|
|
|
/* 10. setForceIpoActsLocal: */
|
|
char KX_IpoActuator::SetForceIpoActsLocal_doc[] =
|
|
"setForceIpoActsLocal(local?)\n"
|
|
"\t - local? : Apply the ipo-as-force in the object's local\n"
|
|
"\t coordinates? (KX_TRUE, KX_FALSE)\n"
|
|
"\tSet whether to apply the force in the object's local\n"
|
|
"\tcoordinates rather than the world global coordinates.\n";
|
|
PyObject* KX_IpoActuator::PySetForceIpoActsLocal(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
int boolArg;
|
|
|
|
if (!PyArg_ParseTuple(args, "i", &boolArg)) {
|
|
return NULL;
|
|
}
|
|
|
|
m_force_ipo_local = PyArgToBool(boolArg);
|
|
|
|
Py_Return;
|
|
}
|
|
/* 11. getForceIpoActsLocal: */
|
|
char KX_IpoActuator::GetForceIpoActsLocal_doc[] =
|
|
"getForceIpoActsLocal()\n"
|
|
"\tReturn whether to apply the force in the object's local\n"
|
|
"\tcoordinates rather than the world global coordinates.\n";
|
|
PyObject* KX_IpoActuator::PyGetForceIpoActsLocal(PyObject* self,
|
|
PyObject* args,
|
|
PyObject* kwds) {
|
|
return BoolToPyArg(m_force_ipo_local);
|
|
}
|
|
|
|
|
|
/* eof */
|