khanat-opennel-code/code/nel/tools/3d/object_viewer/ps_initial_pos.h
2012-07-23 12:26:38 -05:00

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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef NL_PS_INITIAL_POS
#define NL_PS_INITIAL_POS
namespace NL3D
{
class CParticleSystem;
class CPSLocated;
class CPSLocatedBindable;
struct IPSMover;
}
/** this class helps to copy the position of initial instances in a particle
* system. This enable a system to run, and have its parameter modified.
* When the user press stop, he will find the system at t = 0, with the new parameters
*/
class CPSInitialPos
{
public:
CPSInitialPos() : _PS(NULL) {}
// construct this by copying the datas of the system
void copySystemInitialPos(NL3D::CParticleSystem *ps);
/** reinitialize the system with its initial instances positions
* Works only once per copySystemInitialPos() call
*/
void restoreSystem();
/// send back true when bbox display is enabled
bool isBBoxDisplayEnabled();
/// update data when a located in a particle system has been removed
void removeLocated(NL3D::CPSLocated *loc);
/// update data when a located bindable in a particle system has been removed
void removeLocatedBindable(NL3D::CPSLocatedBindable *lb);
// initial position and speed of a located instance in a particle system
struct CInitPSInstanceInfo
{
uint32 Index;
NL3D::CPSLocated *Loc;
NLMISC::CVector Speed;
NLMISC::CVector Pos;
};
// rotation and scale of an element
struct CRotScaleInfo
{
uint32 Index;
NL3D::CPSLocated *Loc;
NL3D::CPSLocatedBindable *LB;
NL3D::IPSMover *Psm;
NLMISC::CMatrix Rot;
NLMISC::CVector Scale;
};
NL3D::CParticleSystem *getPS() { return _PS; }
const NL3D::CParticleSystem *getPS() const { return _PS; }
bool isStateMemorized() const { return _PS != NULL; }
private:
typedef std::vector<CInitPSInstanceInfo> TInitInfoVect;
typedef std::vector<CRotScaleInfo> TRotScaleInfoVect;
typedef std::vector< std::pair<NL3D::CPSLocated *, uint32> > TInitialLocatedSizeVect;
TInitInfoVect _InitInfoVect;
TRotScaleInfoVect _RotScaleInfoVect;
// initial number of instances for each located
TInitialLocatedSizeVect _InitialSizeVect;
NL3D::CParticleSystem *_PS;
// reset all initial infos
void reset();
};
#endif