100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library 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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* OpenSceneGraph Public License for more details.
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*/
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//osgParticle - Copyright (C) 2002 Marco Jez
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#ifndef OSGPARTICLE_MODULARPROGRAM_
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#define OSGPARTICLE_MODULARPROGRAM_ 1
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#include <osgParticle/Export>
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#include <osgParticle/Program>
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#include <osgParticle/Operator>
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#include <osg/CopyOp>
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#include <osg/Object>
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#include <osg/Node>
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#include <osg/NodeVisitor>
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namespace osgParticle
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{
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/** A program class for performing operations on particles using a sequence of <I>operators</I>.
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To use a <CODE>ModularProgram</CODE> you have to create some <CODE>Operator</CODE> objects and
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add them to the program.
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All operators will be applied to each particle in the same order they've been added to the program.
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*/
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class OSGPARTICLE_EXPORT ModularProgram: public Program {
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public:
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ModularProgram();
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ModularProgram(const ModularProgram ©, const osg::CopyOp ©op = osg::CopyOp::SHALLOW_COPY);
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META_Node(osgParticle,ModularProgram);
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/// Get the number of operators.
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inline int numOperators() const;
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/// Add an operator to the list.
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inline void addOperator(Operator *o);
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/// Get a pointer to an operator in the list.
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inline Operator *getOperator(int i);
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/// Get a const pointer to an operator in the list.
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inline const Operator *getOperator(int i) const;
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/// Remove an operator from the list.
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inline void removeOperator(int i);
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protected:
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virtual ~ModularProgram() {}
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ModularProgram &operator=(const ModularProgram &) { return *this; }
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void execute(double dt);
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private:
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typedef std::vector<osg::ref_ptr<Operator> > Operator_vector;
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Operator_vector operators_;
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};
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// INLINE FUNCTIONS
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inline int ModularProgram::numOperators() const
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{
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return static_cast<int>(operators_.size());
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}
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inline void ModularProgram::addOperator(Operator *o)
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{
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operators_.push_back(o);
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}
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inline Operator *ModularProgram::getOperator(int i)
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{
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return operators_[i].get();
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}
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inline const Operator *ModularProgram::getOperator(int i) const
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{
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return operators_[i].get();
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}
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inline void ModularProgram::removeOperator(int i)
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{
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operators_.erase(operators_.begin()+i);
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}
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}
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#endif
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