-void Particle::updateVertices()
-{
- video::SColor c(255, m_light, m_light, m_light);
- f32 tx0 = m_texpos.X;
- f32 tx1 = m_texpos.X + m_texsize.X;
- f32 ty0 = m_texpos.Y;
- f32 ty1 = m_texpos.Y + m_texsize.Y;
-
- m_vertices[0] = video::S3DVertex(-m_size/2,-m_size/2,0, 0,0,0,
- c, tx0, ty1);
- m_vertices[1] = video::S3DVertex(m_size/2,-m_size/2,0, 0,0,0,
- c, tx1, ty1);
- m_vertices[2] = video::S3DVertex(m_size/2,m_size/2,0, 0,0,0,
- c, tx1, ty0);
- m_vertices[3] = video::S3DVertex(-m_size/2,m_size/2,0, 0,0,0,
- c, tx0, ty0);
-
- v3s16 camera_offset = m_env->getCameraOffset();
- for(u16 i=0; i<4; i++)
- {
- if (m_vertical) {
- v3f ppos = m_player->getPosition()/BS;
- m_vertices[i].Pos.rotateXZBy(atan2(ppos.Z-m_pos.Z, ppos.X-m_pos.X)/core::DEGTORAD+90);
- } else {
- m_vertices[i].Pos.rotateYZBy(m_player->getPitch());
- m_vertices[i].Pos.rotateXZBy(m_player->getYaw());
- }
- m_box.addInternalPoint(m_vertices[i].Pos);
- m_vertices[i].Pos += m_pos*BS - intToFloat(camera_offset, BS);
- }
-}
-
-/*
- ParticleSpawner
-*/
-
-ParticleSpawner::ParticleSpawner(IGameDef* gamedef, scene::ISceneManager *smgr, LocalPlayer *player,
- u16 amount, float time,
- v3f minpos, v3f maxpos, v3f minvel, v3f maxvel, v3f minacc, v3f maxacc,
- float minexptime, float maxexptime, float minsize, float maxsize,
- bool collisiondetection, bool vertical, video::ITexture *texture, u32 id,
- ParticleManager *p_manager) :
- m_particlemanager(p_manager)
-{
- m_gamedef = gamedef;
- m_smgr = smgr;
- m_player = player;
- m_amount = amount;
- m_spawntime = time;
- m_minpos = minpos;
- m_maxpos = maxpos;
- m_minvel = minvel;
- m_maxvel = maxvel;
- m_minacc = minacc;
- m_maxacc = maxacc;
- m_minexptime = minexptime;
- m_maxexptime = maxexptime;
- m_minsize = minsize;
- m_maxsize = maxsize;
- m_collisiondetection = collisiondetection;
- m_vertical = vertical;
- m_texture = texture;
- m_time = 0;
-
- for (u16 i = 0; i<=m_amount; i++)
- {
- float spawntime = (float)rand()/(float)RAND_MAX*m_spawntime;
- m_spawntimes.push_back(spawntime);
- }
-}
-
-ParticleSpawner::~ParticleSpawner() {}
-
-void ParticleSpawner::step(float dtime, ClientEnvironment* env)
-{
- m_time += dtime;
-
- if (m_spawntime != 0) // Spawner exists for a predefined timespan
- {
- for(std::vector<float>::iterator i = m_spawntimes.begin();
- i != m_spawntimes.end();)
- {
- if ((*i) <= m_time && m_amount > 0)
- {
- m_amount--;
-
- v3f pos = random_v3f(m_minpos, m_maxpos);
- v3f vel = random_v3f(m_minvel, m_maxvel);
- v3f acc = random_v3f(m_minacc, m_maxacc);
- float exptime = rand()/(float)RAND_MAX
- *(m_maxexptime-m_minexptime)
- +m_minexptime;
- float size = rand()/(float)RAND_MAX
- *(m_maxsize-m_minsize)
- +m_minsize;
-
- Particle* toadd = new Particle(
- m_gamedef,
- m_smgr,
- m_player,
- env,
- pos,
- vel,
- acc,
- exptime,
- size,
- m_collisiondetection,
- m_vertical,
- m_texture,
- v2f(0.0, 0.0),
- v2f(1.0, 1.0));
- m_particlemanager->addParticle(toadd);
- i = m_spawntimes.erase(i);
- }
- else
- {
- ++i;
- }
- }
- }
- else // Spawner exists for an infinity timespan, spawn on a per-second base
- {
- for (int i = 0; i <= m_amount; i++)
- {
- if (rand()/(float)RAND_MAX < dtime)
- {
- v3f pos = random_v3f(m_minpos, m_maxpos);
- v3f vel = random_v3f(m_minvel, m_maxvel);
- v3f acc = random_v3f(m_minacc, m_maxacc);
- float exptime = rand()/(float)RAND_MAX
- *(m_maxexptime-m_minexptime)
- +m_minexptime;
- float size = rand()/(float)RAND_MAX
- *(m_maxsize-m_minsize)
- +m_minsize;
-
- Particle* toadd = new Particle(
- m_gamedef,
- m_smgr,
- m_player,
- env,
- pos,
- vel,
- acc,
- exptime,
- size,
- m_collisiondetection,
- m_vertical,
- m_texture,
- v2f(0.0, 0.0),
- v2f(1.0, 1.0));
- m_particlemanager->addParticle(toadd);
- }
- }
- }
-}
-
-
-ParticleManager::ParticleManager(ClientEnvironment* env) :
- m_env(env)
-{}
-
-ParticleManager::~ParticleManager()
-{
- clearAll();
-}
-
-void ParticleManager::step(float dtime)
-{
- stepParticles (dtime);
- stepSpawners (dtime);
-}
-
-void ParticleManager::stepSpawners (float dtime)
-{
- MutexAutoLock lock(m_spawner_list_lock);
- for(std::map<u32, ParticleSpawner*>::iterator i =
- m_particle_spawners.begin();
- i != m_particle_spawners.end();)
- {
- if (i->second->get_expired())
- {
- delete i->second;
- m_particle_spawners.erase(i++);
- }
- else
- {
- i->second->step(dtime, m_env);
- ++i;
- }
- }
-}
-
-void ParticleManager::stepParticles (float dtime)
-{
- MutexAutoLock lock(m_particle_list_lock);
- for(std::vector<Particle*>::iterator i = m_particles.begin();
- i != m_particles.end();)
- {
- if ((*i)->get_expired())
- {
- (*i)->remove();
- delete *i;
- i = m_particles.erase(i);
- }
- else
- {
- (*i)->step(dtime);
- ++i;
- }
- }
-}
-
-void ParticleManager::clearAll ()
-{
- MutexAutoLock lock(m_spawner_list_lock);
- MutexAutoLock lock2(m_particle_list_lock);
- for(std::map<u32, ParticleSpawner*>::iterator i =
- m_particle_spawners.begin();
- i != m_particle_spawners.end();)
- {
- delete i->second;
- m_particle_spawners.erase(i++);
- }
-
- for(std::vector<Particle*>::iterator i =
- m_particles.begin();
- i != m_particles.end();)
- {
- (*i)->remove();
- delete *i;
- i = m_particles.erase(i);
- }