/// <summary>
/// Requests a door to open if necessary.
/// </summary>
/// <param name="door">The door that is being traversed.</param>
/// <param name="doorCell">The cell where the navigator is moving.</param>
/// <param name="navCell">The cell where the navigator is standing now.</param>
private void RequestOpenDoor(AirlockDoor door, int doorCell, int navCell)
{
int baseCell = door.GetBaseCell(), dx;
// Based on coordinates, determine what is required of the door
CellOffset targetOffset = Grid.GetOffset(baseCell, doorCell), navOffset =
Grid.GetOffset(doorCell, navCell);
dx = targetOffset.x;
if (dx > 0)
{
// Right side door
if (navOffset.x > 0)
{
doors.Add(door, DoorRequestType.EnterRight);
door.EnterRight?.Queue();
}
else
{
doors.Add(door, DoorRequestType.ExitRight);
door.ExitRight?.Queue();
}
}
else if (dx < 0)
{
// Left side door
if (navOffset.x > 0)
{
doors.Add(door, DoorRequestType.ExitLeft);
door.ExitLeft?.Queue();
}
else
{
doors.Add(door, DoorRequestType.EnterLeft);
door.EnterLeft?.Queue();
}
} // Else, entering center cell which is "always" passable
}
