/// <summary>
/// This function removes contacts from the system wide contact list when a contact deletion event occurs.
/// This happens whenever a ship is scrapped or otherwise destroyed, ships/fighters land on a hangar, missiles hit their target or run out of endurance, and jump point exits.
/// </summary>
/// <param name="Contact">Contact to be removed.</param>
public void RemoveContact(SystemContact Contact)
{
int index = SystemContactList.IndexOf(Contact);
if (index != -1)
{
/// <summary>
/// Remove the contact from each of the faction contact lists as well as the System contact list.
/// </summary>
for (int loop = 0; loop < FactionDetectionLists.Count; loop++)
{
FactionDetectionLists[loop].RemoveContact(index);
}
SystemContactList.Remove(Contact);
/// <summary>
/// Distance Table is updated every tick, and doesn't care about last tick's info. so deleting simply the last entry
/// causes no issues with distance calculations.
/// </summary>
for (int loop = 0; loop < SystemContactList.Count; loop++)
{
SystemContactList[loop].DistanceTable.RemoveAt(SystemContactList.Count - 1);
SystemContactList[loop].DistanceUpdate.RemoveAt(SystemContactList.Count - 1);
}
/// <summary>
/// inform the display that this contact needs to be deleted.
/// </summary>
ContactDeleteList.Add(Contact);
/// <summary>
/// also clean up the contact create list if this contact hasn't been created yet by the display.
/// </summary>
if (ContactCreateList.Contains(Contact) == true)
{
ContactCreateList.Remove(Contact);
}
}
else
{
String Entry = String.Format("Index for the system contact list is {0} for system {1}", index, Name);
MessageEntry Entry2 = new MessageEntry(MessageEntry.MessageType.Error, Contact.CurrentSystem, Contact,
GameState.Instance.GameDateTime, (GameState.SE.CurrentTick - GameState.SE.lastTick), Entry);
GameState.Instance.Factions[0].MessageLog.Add(Entry2);
}
}
/// <summary>
/// Systems have to store a global(or perhaps system wide) list of contacts. This function adds a contact in the event one is generated.
/// Generation events include construction, hangar launches, missile launches, and Jump Point Entry into the System.
/// </summary>
/// <param name="Contact">Contact to be added.</param>
public void AddContact(SystemContact Contact)
{
/// <summary>
/// Add a new entry to every distance table for every contact.
/// </summary>
for (int loop = 0; loop < SystemContactList.Count; loop++)
{
SystemContactList[loop].DistanceTable.Add(0.0f);
SystemContactList[loop].DistanceUpdate.Add(-1);
}
SystemContactList.Add(Contact);
Contact.UpdateSystem(this);
/// <summary>
/// Update all the faction contact lists with the new contact.
/// </summary>
for (int loop = 0; loop < FactionDetectionLists.Count; loop++)
{
FactionDetectionLists[loop].AddContact();
}
/// <summary>
/// Inform the systemmap/sceen that a new contact needs to be created.
/// </summary>
ContactCreateList.Add(Contact);
/// <summary>
/// In the event that this contact is in the delete list, it probably means that this contact travelled through this system, left, and is back in the system, without being drawn.
/// If so put it in the contactCreateList and take it out of the contactDeleteList.
/// </summary>
if (ContactDeleteList.Contains(Contact) == true)
{
ContactDeleteList.Remove(Contact);
}
}