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