/*
* The Mana Client
* Copyright (C) 2006-2010 The Mana World Development Team
*
* This file is part of The Mana Client.
*
* 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 2 of the License, or
* 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, see .
*/
#ifndef PARTICLEEMITTER_H
#define PARTICLEEMITTER_H
#include "particleemitterprop.h"
#include "resources/animation.h"
#include "utils/xml.h"
#include
class Image;
class Map;
class Particle;
/**
* Every Particle can have one or more particle emitters that create new
* particles when they are updated
*/
class ParticleEmitter
{
public:
/**
* Constructor.
*/
ParticleEmitter(xmlNodePtr emitterNode, Particle *target, Map *map, int rotation = 0);
/**
* Copy Constructor (necessary for reference counting of particle images)
*/
ParticleEmitter(const ParticleEmitter &o);
/**
* Assignment operator that calls the copy constructor
*/
ParticleEmitter & operator=(const ParticleEmitter &o);
/**
* Destructor.
*/
~ParticleEmitter();
/**
* Spawns new particles
* @return: a list of created particles
*/
std::list createParticles(int tick);
/**
* Sets the target of the particles that are created
*/
void setTarget(Particle *target)
{ mParticleTarget = target; };
private:
template ParticleEmitterProp readParticleEmitterProp(xmlNodePtr propertyNode, T def);
/**
* initial position of particles:
*/
ParticleEmitterProp mParticlePosX, mParticlePosY, mParticlePosZ;
/**
* initial vector of particles:
*/
ParticleEmitterProp mParticleAngleHorizontal, mParticleAngleVertical;
/**
* Initial velocity of particles
*/
ParticleEmitterProp mParticlePower;
/*
* Vector changing of particles:
*/
ParticleEmitterProp mParticleGravity;
ParticleEmitterProp mParticleRandomness;
ParticleEmitterProp mParticleBounce;
bool mParticleFollow;
/*
* Properties of targeting particles:
*/
Particle *mParticleTarget;
ParticleEmitterProp mParticleAcceleration;
ParticleEmitterProp mParticleDieDistance;
ParticleEmitterProp mParticleMomentum;
/*
* Behavior over time of the particles:
*/
ParticleEmitterProp mParticleLifetime;
ParticleEmitterProp mParticleFadeOut;
ParticleEmitterProp mParticleFadeIn;
Map *mMap; /**< Map the particles are spawned on */
ParticleEmitterProp mOutput; /**< Number of particles spawned per update */
ParticleEmitterProp mOutputPause; /**< Pause in frames between two spawns */
int mOutputPauseLeft;
/*
* Graphical representation of the particle
*/
Image *mParticleImage; /**< Particle image, if used */
Animation mParticleAnimation; /**< Filename of particle animation file */
Animation mParticleRotation; /**< Filename of particle rotation file */
ParticleEmitterProp mParticleAlpha; /**< Opacity of the graphical representation of the particles */
/** List of emitters the spawned particles are equipped with */
std::list mParticleChildEmitters;
};
#endif