private static bool IsAllowSpetMiddlePattern(IList <Item> items, Item i, IList <Item> buffer, Axis axis,
params Vector2[] offsets)
{
return(Tuple.Create(buffer, i)
.MatchTo <Tuple <IList <Item>, Item>, Tuple <IList <Item>, Item> >()
.Where(_ => _.Item1.Count > 0 &&
Abs(_.Item1[_.Item1.Count - 1].position[(int)axis] - _.Item2.position[(int)axis]) > 0.01f)
.Return(_ =>
{
// next row||col
_.Item1.Clear();
return _;
})
.Else(_ => _)
.Result()
.MatchTo <Tuple <IList <Item>, Item>, bool>()
.Where(_ => _.Item1.Count == 0 ||
(_.Item1.Count == 1 && !SpriteEquals(_.Item1[0], _.Item2)))
.Return(_ => UpdateBuffer(_.Item2, _.Item1))
.Where(_ => (_.Item1.Count == 1 && SpriteEquals(_.Item1[0], _.Item2)) ||
(_.Item1.Count == 2 && !SpriteEquals(_.Item1[0], _.Item2)))
.Return(_ => UpdateBuffer(_.Item2, _.Item1, 0))
.Where(_ => _.Item1.Count == 2 && SpriteEquals(_.Item1[0], _.Item2))
.Return(_ =>
{
UpdateBuffer(_.Item2, _.Item1, 0);
return _.Item1[1].interactive && IsStepAllowed(items,
_.Item1[1].sprite,
_.Item1[0], offsets);
})
.Else(_ => false)
.Result());
}
private static bool CheckBoardGeneration(IList <Item> items, LevelBlueprint config)
{
return
// Search if match3 line exist
(!SearchItemInChaine(items, 3, Axis.X, Axis.X, Axis.Y).SelectMany(ls => ls.Slinq())
.Concat(SearchItemInChaine(items, 2, Axis.Y, Axis.Y, Axis.X).SelectMany(ls => ls.Slinq()))
.Select(InitItem, config)
.Aggregate(false, (b, item) => true) &&
// Search if steps avaliable
!SearchItemInChaine(items, 2, Axis.X, Axis.X, Axis.Y)
.Where((ls, _items) => IsStepAllowed(_items, ls[0].sprite,
ls[0].position + Vector2.down,
Vector2.right,
Vector2.down,
Vector2.left) ||
IsStepAllowed(_items, ls[ls.Count - 1].sprite,
ls[ls.Count - 1].position + Vector2.up,
Vector2.left,
Vector2.up,
Vector2.right), items)
.SelectMany(ls => ls.Slinq())
.Concat(SearchItemInChaine(items, 2, Axis.Y, Axis.Y, Axis.X)
.Where((ls, _items) => IsStepAllowed(_items, ls[0].sprite,
ls[0].position + Vector2.left,
Vector2.left,
Vector2.up,
Vector2.down) ||
IsStepAllowed(_items, ls[ls.Count - 1].sprite,
ls[ls.Count - 1].position + Vector2.right,
Vector2.right,
Vector2.up,
Vector2.down), items)
.SelectMany(ls => ls.Slinq()))
.Concat(items
.Slinq()
.OrderBy((i1, i2) => OrderBy(i1, i2, Axis.Y, Axis.X))
.Where(
(i, t) => IsAllowSpetMiddlePattern(t.Item1, i, t.Item2, Axis.Y, Vector2.up,
Vector2.down),
Tuple.Create(items, new List <Item>())))
.Concat(items.Slinq().OrderBy((i1, i2) => OrderBy(i1, i2, Axis.X, Axis.Y))
.Where(
(i, t) => IsAllowSpetMiddlePattern(t.Item1, i, t.Item2, Axis.X, Vector2.left,
Vector2.right),
Tuple.Create(items, new List <Item>())))
.Any()
.ToSome()
.Where(v => !v)
.ForEach((v, _items) => _items
.SlinqWithIndex()
.Where(t => t.Item2 % 3 == 0)
.Select(t => t.Item1)
.ForEach((i, c) => InitItem(i, c), config)
, items)
.ValueOr(false));
}
private static bool IsStepAllowed(IList <Item> items, Sprite sprite, Item item, params Vector2[] offsets)
{
return(offsets
.Slinq()
.Where((o, allow) => allow, item.interactive)
.Select((offset, position) => position + offset, item.position)
.SelectMany(p => items.Slinq().Where(i => p.Equals(i.position)))
.Any((i, t) => !t.Item1.Equals(i.position) && t.Item2.Equals(i.sprite),
Tuple.Create(item.position, sprite)));
}
public void AddPredicateAndAction(DelegateFunc <Option <T>, bool> predicate, Action <Option <T> > action)
{
_predicatesAndActions.Add(Tuple.Create(predicate,
Either <Action <T>, Action <Option <T> > > .Right(action)));
}