public static Entity PushableItemAt(this Pool pool, TilePos position, TilePos moveDirection)
{
var newPosition = position + moveDirection;
var entitiesAtPosition = pool.GetEntitiesAt(position, x => x.isBox).ToList();
var openSpaceAtNextPosition = pool.OpenTileAt(newPosition);
var stillInsidePuzzle = pool.IsStillInsideSamePuzzle(position, newPosition);
return(openSpaceAtNextPosition && stillInsidePuzzle?entitiesAtPosition.SingleOrDefault() : null);
}
public static Entity GetEntityAt(this Pool pool, TilePos position, Func <Entity, bool> entityMatcher = null)
{
var entitiesAtPosition = pool
.GetEntitiesAt(position, entityMatcher)
.ToList();
if (entitiesAtPosition.Count() > 1)
{
throw new MoreThanOneMatchException(entitiesAtPosition);
}
return(entitiesAtPosition.SingleOrDefault());
}
public void Execute(List <Entity> entities)
{
foreach (var box in entities)
{
var pushedToPosition = box.position.Value + box.knocked.FromDirection;
var entitiesInFront = _pool.GetEntitiesAt(pushedToPosition).ToList();
var blockingAtNewPosition = !entitiesInFront.Any() || entitiesInFront.Any(x => x.isBlockingTile || x.isHero);
if (!blockingAtNewPosition)
{
box.ReplacePosition(pushedToPosition);
}
else
{
box.IsRocked(true);
}
}
}
public static bool OpenTileAt(this Pool pool, TilePos position)
{
var entitiesAtPosition = pool.GetEntitiesAt(position).ToList();
return(entitiesAtPosition.Any(x => x.gameObject.Type == ObjectType.Tile) && entitiesAtPosition.All(x => !x.isBlockingTile));
}
