internal override async Task AttachEntityAsync(IAttachArgs e)
{
if (IsOpen)
{
await base.AttachEntityAsync(e);
}
else
{
e.Seal();
}
}
internal override Task AttachEntityAsync(IAttachArgs e)
{
if (IsExtended && e.CurrentMove.Entity is PistonEntity)
{
e.Result = new PistonTile(TriggerPosition, Direction, false);
}
else
{
e.Seal();
}
return Task.CompletedTask;
}
internal override async Task AttachEntityAsync(IAttachArgs e)
{
if (e.CurrentMove.Entity is PlayerEntity)
{
// Players may walk over pins, use default behavior
await base.AttachEntityAsync(e);
}
else if ((e.CurrentMove.Entity as BalloonEntity)?.Color == Color)
{
// Balloons that match the pin's color are allowed
e.Result = Compose(this, e.CurrentMove.Entity);
}
else
{
// All other entities are rejected
e.Seal();
}
}
internal override async Task AttachEntityAsync(IAttachArgs e)
{
var inDirection = e.CurrentMove.Offset;
var outDirection = _outDirections.TryGetValue(new Tuple<Point, Point>(Orientation, inDirection));
if (outDirection.IsDirection)
{
if (Entity != Entity.None)
await Entity.DetachAsync(e.CreateEntityDetachArgs(this, outDirection));
if (!e.IsSealed)
e.Result = Compose(this, e.CurrentMove.Entity);
}
else
{
// The entity tries to move across a wall side of the corner
e.Seal();
}
}
internal override Task AttachEntityAsync(IAttachArgs e)
{
e.Seal();
return Task.CompletedTask;
}