public void Args_throw_exception_with_null_travel_direction()
{
// Arrange
var departure = Mock.Of<IRoom>();
var arrival = Mock.Of<IRoom>();
var character = Mock.Of<ICharacter>();
// Act
var eventArgs = new RoomOccupancyChangedEventArgs(
character,
null,
departure,
arrival);
}
public void Args_throw_exception_with_null_character()
{
// Arrange
var departure = Mock.Of<IRoom>();
var arrival = Mock.Of<IRoom>();
var travelDirection = Mock.Of<ITravelDirection>();
// Act
var eventArgs = new RoomOccupancyChangedEventArgs(
null,
travelDirection,
departure,
arrival);
}
public void Event_arg_is_instanced_with_valid_properties()
{
// Arrange
var departure = Mock.Of<IRoom>();
var arrival = Mock.Of<IRoom>();
var character = Mock.Of<ICharacter>();
var travelDirection = Mock.Of<ITravelDirection>();
// Act
var eventArgs = new RoomOccupancyChangedEventArgs(
character,
travelDirection,
departure,
arrival);
// Assert
Assert.IsNotNull(eventArgs.Occupant, "Occupant was null.");
Assert.IsNotNull(eventArgs.TravelDirection, "TravelDirection was null.");
Assert.IsNotNull(eventArgs.ArrivalRoom, "ArrivalRoom was null.");
Assert.IsNotNull(eventArgs.DepartureRoom, "DepartureRoom was null.");
}
/// <summary>
/// Called when an occupant is leaving a room owned by this zone, and entering a room owned by a different zone.
/// </summary>
/// <param name="roomOccupancyChange">The <see cref="MudDesigner.MudEngine.Environment.RoomOccupancyChangedEventArgs" /> instance containing the event data.</param>
void OnLeftZone(RoomOccupancyChangedEventArgs roomOccupancyChange)
{
EventHandler<ZoneOccupancyChangedEventArgs> handler = this.LeftZone;
if (handler == null)
{
return;
}
handler(this, new ZoneOccupancyChangedEventArgs(this, roomOccupancyChange));
}
/// <summary>
/// Called when an occupant has left one of the rooms that this zone owns.
/// </summary>
/// <para>
/// This method will check if the occupant leaving the room is entering a room in a different zone other than this instance.
/// If so, then the LeftZone event is raised.
/// </para>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="MudDesigner.MudEngine.Environment.RoomOccupancyChangedEventArgs" /> instance containing the event data.</param>
void OccupantLeftRoom(object sender, RoomOccupancyChangedEventArgs e)
{
// Not sure what happened during travel, but the occupant does not have an arrival room.
// So we don't do anything or the occupant is just traveling around within our zone, so we ignore it.
if (e.ArrivalRoom == null || e.ArrivalRoom.Owner == this)
{
return;
}
this.OnLeftZone(e);
}
/// <summary>
/// Called when an occupant has entered one of the rooms that this zone owns.
/// </summary>
/// <para>
/// This method will check if the occupant entering the room is entering a room in this zone for the first time.
/// If so, then the EnteredZone event is raised.
/// </para>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="MudDesigner.MudEngine.Environment.RoomOccupancyChangedEventArgs" /> instance containing the event data.</param>
void OccupantEnteredRoom(object sender, RoomOccupancyChangedEventArgs e)
{
// The occupant is entering our zone for the first time.
if (e.DepartureRoom == null)
{
this.OnEnteredZone(e);
return;
}
// The occupant is moving around within our zone already.
if (e.DepartureRoom.Owner == this)
{
return;
}
this.OnEnteredZone(e);
}
