blender/source/gameengine/Converter/BL_ActionActuator.h

/**
 * $Id$
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef BL_ACTIONACTUATOR
#define BL_ACTIONACTUATOR

#include "GEN_HashedPtr.h"
#include "SCA_IActuator.h"
#include "DNA_actuator_types.h"
#include "MT_Point3.h"

class BL_ActionActuator : public SCA_IActuator  
{
public:
	Py_Header;
	BL_ActionActuator(SCA_IObject* gameobj,
						const STR_String& propname,
						const STR_String& framepropname,
						float starttime,
						float endtime,
						struct bAction *action,
						short	playtype,
						short	blendin,
						short	priority,
						short	end_reset,
						float	stride) 
		: SCA_IActuator(gameobj, KX_ACT_ACTION),
		
		m_lastpos(0, 0, 0),
		m_blendframe(0),
		m_flag(0),
		m_startframe (starttime),
		m_endframe(endtime) ,
		m_starttime(0),
		m_localtime(starttime),
		m_lastUpdate(-1),
		m_blendin(blendin),
		m_blendstart(0),
		m_stridelength(stride),
		m_playtype(playtype),
		m_priority(priority),
		m_end_reset(end_reset),
		m_pose(NULL),
		m_blendpose(NULL),
		m_userpose(NULL),
		m_action(action),
		m_propname(propname),
		m_framepropname(framepropname)		
	{
	};
	virtual ~BL_ActionActuator();
	virtual	bool Update(double curtime, bool frame);
	virtual CValue* GetReplica();
	virtual void ProcessReplica();
	
	void SetBlendTime (float newtime);
	
	bAction*	GetAction() { return m_action; }
	void		SetAction(bAction* act) { m_action= act; }

#ifdef WITH_PYTHON

	KX_PYMETHOD_O(BL_ActionActuator,GetChannel);
	KX_PYMETHOD_DOC(BL_ActionActuator,setChannel);

	static PyObject*	pyattr_get_action(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef);
	static int			pyattr_set_action(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value);
	static PyObject*	pyattr_get_channel_names(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef);
	/* attribute check */
	static int CheckFrame(void *self, const PyAttributeDef*)
	{
		BL_ActionActuator* act = reinterpret_cast<BL_ActionActuator*>(self);

		if (act->m_localtime < act->m_startframe)
			act->m_localtime = act->m_startframe;
		else if (act->m_localtime > act->m_endframe)
			act->m_localtime = act->m_endframe;

		return 0;
	}

	static int CheckBlendTime(void *self, const PyAttributeDef*)
	{
		BL_ActionActuator* act = reinterpret_cast<BL_ActionActuator*>(self);

		if (act->m_blendframe > act->m_blendin)
			act->m_blendframe = act->m_blendin;

		return 0;
	}

	static int CheckType(void *self, const PyAttributeDef*)
	{
		BL_ActionActuator* act = reinterpret_cast<BL_ActionActuator*>(self);

		switch (act->m_playtype) {
			case ACT_ACTION_PLAY:
			case ACT_ACTION_PINGPONG:
			case ACT_ACTION_FLIPPER:
			case ACT_ACTION_LOOP_STOP:
			case ACT_ACTION_LOOP_END:
			case ACT_ACTION_FROM_PROP:
				return 0;
			default:
				PyErr_SetString(PyExc_ValueError, "Action Actuator, invalid play type supplied");
				return 1;
		}
	}
#endif // WITH_PYTHON
	
protected:

	void SetStartTime(float curtime);
	void SetLocalTime(float curtime);
	bool ClampLocalTime();

	MT_Point3	m_lastpos;
	float	m_blendframe;
	int		m_flag;
	/** The frame this action starts */
	float	m_startframe;
	/** The frame this action ends */
	float	m_endframe;
	/** The time this action started */
	float	m_starttime;
	/** The current time of the action */
	float	m_localtime;
	
	float	m_lastUpdate;
	float	m_blendin;
	float	m_blendstart;
	float	m_stridelength;
	short	m_playtype;
	short	m_priority;
	bool	m_end_reset;
	struct bPose* m_pose;
	struct bPose* m_blendpose;
	struct bPose* m_userpose;
	struct bAction *m_action;
	STR_String	m_propname;
	STR_String	m_framepropname;
};

enum {
	ACT_FLAG_REVERSE	= 0x00000001,
	ACT_FLAG_LOCKINPUT	= 0x00000002,
	ACT_FLAG_KEYUP		= 0x00000004,
	ACT_FLAG_ACTIVE		= 0x00000008
};

#endif