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Diffstat (limited to 'src/particleemitter.h')
-rw-r--r-- | src/particleemitter.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/particleemitter.h b/src/particleemitter.h new file mode 100644 index 000000000..dd67ca62f --- /dev/null +++ b/src/particleemitter.h @@ -0,0 +1,153 @@ +/* + * The Mana Client + * Copyright (C) 2006-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * + * 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 <http://www.gnu.org/licenses/>. + */ + +#ifndef PARTICLEEMITTER_H +#define PARTICLEEMITTER_H + +#include "particleemitterprop.h" + +#include "resources/animation.h" + +#include "utils/xml.h" + +#include <list> + +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<Particle *> createParticles(int tick); + + /** + * Sets the target of the particles that are created + */ + void setTarget(Particle *target) + { mParticleTarget = target; }; + + /** + * Changes the size of the emitter so that the effect fills a + * rectangle of this size + */ + void adjustSize(int w, int h); + + private: + template <typename T> ParticleEmitterProp<T> + readParticleEmitterProp(xmlNodePtr propertyNode, T def); + + /** + * initial position of particles: + */ + ParticleEmitterProp<float> mParticlePosX, mParticlePosY, mParticlePosZ; + + /** + * initial vector of particles: + */ + ParticleEmitterProp<float> mParticleAngleHorizontal, + mParticleAngleVertical; + + /** + * Initial velocity of particles + */ + ParticleEmitterProp<float> mParticlePower; + + /* + * Vector changing of particles: + */ + ParticleEmitterProp<float> mParticleGravity; + ParticleEmitterProp<int> mParticleRandomness; + ParticleEmitterProp<float> mParticleBounce; + bool mParticleFollow; + + /* + * Properties of targeting particles: + */ + Particle *mParticleTarget; + ParticleEmitterProp<float> mParticleAcceleration; + ParticleEmitterProp<float> mParticleDieDistance; + ParticleEmitterProp<float> mParticleMomentum; + + /* + * Behavior over time of the particles: + */ + ParticleEmitterProp<int> mParticleLifetime; + ParticleEmitterProp<int> mParticleFadeOut; + ParticleEmitterProp<int> mParticleFadeIn; + + Map *mMap; /**< Map the particles are spawned on */ + + ParticleEmitterProp<int> mOutput; /**< Number of particles spawned + per update */ + ParticleEmitterProp<int> mOutputPause; /**< Pause in frames between + two spawns */ + int mOutputPauseLeft; + + /* + * Graphical representation of the particles + */ + Image *mParticleImage; /**< Particle image, if used */ + Animation mParticleAnimation; /**< Filename of particle + animation file */ + Animation mParticleRotation; /**< Filename of particle rotation file */ + ParticleEmitterProp<float> mParticleAlpha; /**< Opacity of the + graphical representation of the particles */ + + /* + * Death effect of the particles + */ + std::string mDeathEffect; + char mDeathEffectConditions; + + /** List of emitters the spawned particles are equipped with */ + std::list<ParticleEmitter> mParticleChildEmitters; +}; +#endif |