void OrbitingEmitter::Update(uint32 diff)
{
if(_deletable)
return;
uint32 workdiff;
for(workdiff = diff + _overlaptime; workdiff > _density; workdiff -= _density)
{
float xoffs = sin(_lastspawntime / _speed) * _radius;
float yoffs = cos(_lastspawntime / _speed) * _radius;
float o = 0; // TODO: formula here!
Creature *npc = _parent->SummonCreatureCustom(_entry,sx + xoffs,sy + yoffs,sz,o,_summontype,_staytime);
if(npc)
{
npc->FallGround();
}
_objects++;
_lastspawntime += _density;
}
_overlaptime = workdiff;
if(_createtime + _staytime < _lastspawntime)
_deletable = true;
}
void BeamEmitter::Update(uint32 diff)
{
if(_deletable)
return;
uint32 newtime = WorldTimer::tickTime();
float _radfact = _maxradius / _speed; // speed dependant radius factor
float radius = _radfact * ((newtime - _createtime) / 1000.0f); // current radius
if(_lastspawntime + _staytime < newtime)
{
_deletable = true;
return;
}
if(_done)
return;
// doesnt really matter here that they are spawned backwards.. since it happens in the same time nobody will see
uint32 workdiff;
for(workdiff = diff + _overlaptime; workdiff >= _speedfactor && _objects <= _density; workdiff -= _speedfactor)
{
radius = _radfact * ((_lastspawntime - _createtime + workdiff) / 1000.0f);
if(radius > _maxradius)
continue;
float x = (basex * radius) + sx;
float y = (basey * radius) + sy;
float z = sz;
_lastspawntime += _speedfactor;
Creature *npc = _parent->SummonCreatureCustom(_entry,x,y,z,0,_summontype,_staytime);
if(npc)
{
npc->FallGround();
}
_objects++;
}
_overlaptime = workdiff;
for(std::list<Emitter*>::iterator it = children.begin(); it != children.end(); it++)
{
(*it)->Update(diff);
}
if(/*radius > _maxradius ||*/ _objects > _density)
_done = true;
}
void RandomEmitter::Update(uint32 diff)
{
uint32 newtime = WorldTimer::tickTime();
if(_lastspawntime + _staytime < newtime)
{
_deletable = true;
return;
}
if(_objects > _density)
{
_done = true;
return;
}
uint32 workdiff;
for(workdiff = diff + _overlaptime; workdiff > _speedfactor && _objects <= _density; workdiff -= _speedfactor)
{
float x = (sin(float((rand()%100000) / 100.0f)) * _maxradius) + sx;
float y = (cos(float((rand()%100000) / 100.0f)) * _maxradius) + sy;
float z = sz;
_lastspawntime += _speedfactor;
Creature *npc = _parent->SummonCreatureCustom(_entry,x,y,z,0,_summontype,_staytime);
if(npc)
{
npc->FallGround();
}
_objects++;
}
_overlaptime = workdiff;
for(std::list<Emitter*>::iterator it = children.begin(); it != children.end(); it++)
{
(*it)->Update(diff);
}
}