public bool MoveNext()
{
//attention, the while is necessary to skip empty groups
while (++_indexGroup < _groups.count)
{
var entityCollection1 = _entitiesDB.QueryEntities <T1, T2, T3>(_groups[_indexGroup]);
if (entityCollection1.count == 0)
{
continue;
}
var entityCollection2 = _entitiesDB.QueryEntities <T4>(_groups[_indexGroup]);
if (entityCollection2.count == 0)
{
continue;
}
Check.Assert(entityCollection1.count == entityCollection2.count
, "congratulation, you found a bug in Svelto, please report it");
BT <IBuffer <T1>, IBuffer <T2>, IBuffer <T3> > array = entityCollection1.ToBuffers();
IBuffer <T4> array2 = entityCollection2.ToBuffer();
_buffers = new BT <IBuffer <T1>, IBuffer <T2>, IBuffer <T3>, IBuffer <T4> >(
array.buffer1, array.buffer2, array.buffer3, array2, entityCollection1.count);
break;
}
return(_indexGroup < _groups.count);
}
public bool MoveNext()
{
//attention, the while is necessary to skip empty groups
while (_db.MoveNext() == true)
{
FasterDictionary<uint, ITypeSafeDictionary>.KeyValuePairFast group = _db.Current;
ITypeSafeDictionary<T1> typeSafeDictionary1 = @group.Value as ITypeSafeDictionary<T1>;
ITypeSafeDictionary<T2> typeSafeDictionary2 = @group.Value as ITypeSafeDictionary<T2>;
DBC.ECS.Check.Require(typeSafeDictionary1.Count != typeSafeDictionary2.Count
, "entities count do not match");
if (typeSafeDictionary1.Count == 0) continue;
_array = new BT<NB<T1>, NB<T2>>()(new EntityCollection<T1>(typeSafeDictionary1.GetValuesArray(out var count), count)
.ToBuffer();
return true;
}
return false;
}