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/**
* Implementationclass to derive controllers from
*
* $Id$
*
* ***** 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 __SG_CONTROLLER_H
#define __SG_CONTROLLER_H
#include "SG_IObject.h"
/**
* A scenegraph controller
*/
class SG_Controller
{
public:
#ifdef WITH_CXX_GUARDEDALLOC
void *operator new( unsigned int num_bytes) { return MEM_mallocN(num_bytes, "SG_Controller"); }
void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
SG_Controller(
) :
m_pObject(NULL) {
}
virtual
~SG_Controller(
) {};
virtual
bool
Update(
double time
)=0;
virtual
void
SetObject (
SG_IObject* object
);
void
ClearObject(
);
virtual
void
SetSimulatedTime(
double time
)=0;
virtual
SG_Controller*
GetReplica(
class SG_Node* destnode
)=0;
/**
* Hacky way of passing options to specific controllers
* @param option An integer identifying the option.
* @param value The value of this option.
* @attention This has been placed here to give sca-elements
* @attention some control over the controllers. This is
* @attention necessary because the identity of the controller
* @attention is lost on the way here.
*/
virtual
void
SetOption(
int option,
int value
)=0;
/**
* Option-identifiers: SG_CONTR_<controller-type>_<option>.
* Options only apply to a specific controller type. The
* semantics are defined by whoever uses the setting.
*/
enum SG_Controller_option {
SG_CONTR_NODEF = 0,
SG_CONTR_IPO_IPO_AS_FORCE,
SG_CONTR_IPO_IPO_ADD,
SG_CONTR_IPO_LOCAL,
SG_CONTR_IPO_RESET,
SG_CONTR_CAMIPO_LENS,
SG_CONTR_CAMIPO_CLIPEND,
SG_CONTR_CAMIPO_CLIPSTART,
SG_CONTR_MAX
};
protected:
SG_IObject* m_pObject;
};
#endif //__SG_CONTROLLER_H
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