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101 lines
3.5 KiB
C++
101 lines
3.5 KiB
C++
// 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_EDIT_H
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#define NL_PS_EDIT_H
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#include "nel/misc/types_nl.h"
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namespace NLMISC
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{
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class CMatrix ;
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class CVector ;
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} ;
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namespace NL3D {
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/**
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* In this file, we define interfaces to interact more precisely with located in a particle system
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* It allows to manipulate individual elements of a located
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* For example, it allows you to move a collision plane after its creation,
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* or to move a particular particle that you've instancied yourself.
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* This is needed because of the packed format used for data representation
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* (each attribute is packed into its own table, see ps_attrib.h )
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*/
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/**
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* This interface allow to move a particle system element given its index in a located
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* \author Nicolas Vizerie
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* \author Nevrax France
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* \date 2001
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*/
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struct IPSMover
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{
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virtual ~IPSMover() {}
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/** Send back true if uniform scaling can be applied
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* If it sends false, uniform scaling leads to undefine results
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*/
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virtual bool supportUniformScaling(void) const { NL_PS_FUNC(supportUniformScaling); return false ; }
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/** Send back true if non-uniform scaling can be applied
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* If it sends false, non-uniform scaling leads to undefine results (default has no effect)
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*/
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virtual bool supportNonUniformScaling(void) const { NL_PS_FUNC(supportNonUniformScaling); return false ; }
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// set the scale of the object (uniform scale). The default does nothing
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virtual void setScale(uint32 /* index */, float /* scale */) {}
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// set a non uniform scale (if supported)
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virtual void setScale(uint32 /* index */, const NLMISC::CVector &/* s */) { NL_PS_FUNC(setScale); }
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// get the scale of the object
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virtual NLMISC::CVector getScale(uint32 /* index */) const { NL_PS_FUNC(getScale); return NLMISC::CVector(1.f, 1.f, 1.f) ; }
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/** some object may not store a whole matrix (e.g planes)
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* this return true if only a normal is needed to set the orientation of the object
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*/
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virtual bool onlyStoreNormal(void) const { NL_PS_FUNC(onlyStoreNormal); return false ; }
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/// if the object only needs a normal, this return the normal. If not, is return (0, 0, 0)
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virtual NLMISC::CVector getNormal(uint32 /* index */) { NL_PS_FUNC(getNormal); return NLMISC::CVector::Null ; }
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/// if the object only stores a normal, this set the normal of the object. Otherwise it has no effect
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virtual void setNormal(uint32 /* index */, NLMISC::CVector /* n */) { NL_PS_FUNC(setNormal); }
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// set a new orthogonal matrix for the object
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virtual void setMatrix(uint32 index, const NLMISC::CMatrix &m) = 0 ;
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// return an orthogonal matrix of the system. No valid index -> assert
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virtual NLMISC::CMatrix getMatrix(uint32 index) const = 0 ;
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};
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} // NL3D
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#endif // NL_PS_EDIT_H
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/* End of ps_edit.h */
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