public virtual async Task <Tuple <Tile, MapDirection> > GetTargetTile(Point?target, MapDirection requesteDirection)
{
MapDirection invertMessageDirection = requesteDirection;
if (target == null)
{
return(null);
}
await tileInitialized.Task;
Tile tile = null;
TilePositions.TryGetValue(target.Value, out tile);
if (tile == null)
{
var targetTileData = CurrentMap.GetTileData(target.Value);
if (targetTileData.Actuators.Any() && targetTileData.Actuators.All(x => x.ActuatorType == 5 || x.ActuatorType == 6))
{
throw new InvalidOperationException("this should not be possible");
}
else if (targetTileData.Actuators.Any() && !targetTileData.Actuators.All(x => x.ActuatorType != 5 && x.ActuatorType != 6))
{
throw new InvalidOperationException("mixture of wall and virtual actuators");
}
else
{//find floor tile where is wall actuator put & thus invert message direction
invertMessageDirection = requesteDirection.Opposite;
TilePositions.TryGetValue(target.Value + requesteDirection.RelativeShift, out tile);
if (tile == null)
{
throw new InvalidOperationException();
}
}
}
return(Tuple.Create(tile, invertMessageDirection));
}
