particle_emitter.hpp

//
//  SuperTuxKart - a fun racing game with go-kart
//  Copyright (C) 2011-2015  Joerg Henrichs, Marianne Gagnon
//
//  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 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 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
#ifndef HEADER_SMOKE_HPP
#define HEADER_SMOKE_HPP
 
namespace irr
{
    namespace scene { class ISceneNode; class IParticleEmitter; }
}
using namespace irr;
 
#include "utils/leak_check.hpp"
#include "utils/no_copy.hpp"
#include "utils/vec3.hpp"
 
class Material;
class ParticleKind;
class STKParticle;
class Track;
 
class ParticleEmitter : public NoCopy
{
private:
    STKParticle*                     m_node;
 
    Vec3                             m_position;
 
    scene::ISceneNode*               m_parent;
 
    scene::IParticleEmitter         *m_emitter;
 
    const ParticleKind              *m_particle_type;
 
    unsigned int m_magic_number;
 
    int m_emission_decay_rate;
 
    float m_min_rate, m_max_rate;
 
    bool m_randomize_initial_y;
 
    bool m_important;
 
public:
 
    LEAK_CHECK()
 
    ParticleEmitter             (const ParticleKind* type,
                                 const Vec3 &position,
                                 scene::ISceneNode* parent = NULL,
                                 bool randomize_initial_y =  false,
                                 bool important = false);
    virtual     ~ParticleEmitter();
    virtual void update         (float dt);
    void         setCreationRateAbsolute(float fraction);
    void         setCreationRateRelative(float f);
    int          getCreationRate();
    float        getCreationRateFloat() {return m_min_rate;}
 
    void         setPosition(const Vec3 &pos);
    void         setRotation(const Vec3 &rot);
 
    const ParticleKind* getParticlesInfo() const { return m_particle_type; }
 
    void         setParticleType(const ParticleKind* p);
 
    void         resizeBox(float size);
 
    STKParticle* getNode() { return m_node; }
 
    void         unsetNode() { m_node = NULL; }
 
    void         addHeightMapAffector(Track* t);
 
    bool         randomizeInitialY() const { return m_randomize_initial_y; }
};
#endif