/// <summary>
/// A MissionModel indicates some action the user wishes to occur, such as moving an entity to a target destination.
/// </summary>
/// <param name="action">what will happen</param>
/// <param name="protagonist">who will do the action</param>
/// <param name="startTime">when the mission can be started</param>
/// <param name="start">entity target start state</param>
/// <param name="finishTime">when the mission should be finished</param>
/// <param name="destination">entity target finish state</param>
/// <param name="lateFee">how important it is to finish on time</param>
public MissionModel(int id, EnumMissionAction action, FSharpSet<int> doerIds,
DateTime startTime, FSharpSet<int> targets, DateTime finishTime, Vector3D destination, float lateFee)
{
Id = id;
Owner = String.Empty;
Action = action;
DoerIds = doerIds;
StartTime = startTime;
Targets = targets;
FinishTime = finishTime;
Destination = destination;
LateFee = LateFee;
}
public void CreateMission(int id, EnumMissionAction action, FSharpSet<int> doerIds, DateTime startTime, FSharpSet<int> targets, DateTime finishTime, Vector3D destination, float lateFee)
{
Send(new CreateMission(new MissionModel(id, action, doerIds, startTime, targets, finishTime, destination, lateFee)));
}
// convenience constructor often only one actor is involved
public MissionModel(int id, EnumMissionAction action, int doerId,
DateTime startTime, FSharpSet<int> targets, DateTime finishTime, Vector3D destination, float lateFee)
: this(id, action, new FSharpSet<int>(new[] { doerId }), startTime, targets, finishTime, destination, lateFee) { }
