TrailSystemComponent::TrailSystemComponent()
: MaxCount(1000)
, StartWidth(1.f), EndWidth(1.f)
, StartGlow(0.f), EndGlow(0.f)
, StartColor(Color(1, 1, 1, 1)), EndColor(Color(1, 1, 1, 1))
, TextureRepeat(1.f)
, UseGlobalTexCoords(false)
, BlendAdd(false)
, trail_system_(TrailSystem::create(MaxCount())) {
MaxCount.on_change().connect([&](int val){
trail_system_->set_max_trail_points(val);
return true;
});
}
// returns true if data for a column 'index' is present in 'inf' photo
//
bool Columns::IsDataPresent(int index, const PhotoInfo& inf) const
{
ASSERT(index >= 0 && index < MaxCount() || index >= COL_CUSTOM_SET_START && index <= COL_CUSTOM_SET_END);
if (index < 0)
return false;
else if (index <= GetLimit(COMMON))
{
if (index >= COL_GPS_FIRST_ITEM)
return inf.GetGpsData() != 0;
return true;
}
else if (index >= COL_METADATA_SET_START && index <= COL_METADATA_SET_END)
return inf.HasMetadata();
else if (index >= COL_CUSTOM_SET_START && index <= COL_CUSTOM_SET_END)
return true;
else if (inf.GetMakerNote() == 0)
return false;
else
return inf.GetMakerNote()->IsDataPresent(index);
return true;
}
