private void Notify_Browser_Of_Potential_Lobby( CServerLobbyBrowser browser, CServerLobby lobby )
{
EPersistenceID browser_id = browser.PlayerID;
ELobbyID lobby_id = lobby.ID;
if ( browser.WatchedLobbyCount == MAX_WATCHED_LOBBIES && browser.FirstLobby > lobby_id )
{
return;
}
if ( browser.Is_Watching ( lobby_id ) )
{
return;
}
if ( browser.WatchedLobbyCount == MAX_WATCHED_LOBBIES && browser.LastLobby < lobby_id )
{
return;
}
if ( lobby.Matches_Browse_Criteria( browser.BrowseCriteria ) )
{
if ( browser.JoinFirstAvailable )
{
CServerLobbyManager.Instance.Join_Lobby_By_Browsing( browser_id, lobby_id );
return;
}
ELobbyID removed_lobby = ELobbyID.Invalid;
if ( browser.WatchedLobbyCount == MAX_WATCHED_LOBBIES )
{
removed_lobby = browser.LastLobby;
Remove_As_Watcher( removed_lobby, browser_id );
}
Insert_As_Watcher( lobby_id, browser_id );
CServerMessageRouter.Send_Message_To_Player( new CBrowseLobbyAddRemoveMessage( lobby.Create_Summary(), removed_lobby ), browser_id );
}
}
private void Find_Next_Lobby_For( CServerLobbyBrowser browser, ELobbyID removed_lobby, int previous_starting_index )
{
EPersistenceID player_id = browser.PlayerID;
CBrowseLobbyAddRemoveMessage add_remove_message = new CBrowseLobbyAddRemoveMessage( null, removed_lobby );
if ( browser.WatchedLobbyCount > 0 )
{
int new_lobby_index = Get_Sorted_Lobby_Index( browser.LastLobby ) + 1;
ELobbyID next_match = Find_New_Lobby( browser, new_lobby_index );
if ( next_match != ELobbyID.Invalid )
{
CServerLobby new_lobby = CServerLobbyManager.Instance.Get_Lobby( next_match );
add_remove_message.Add_Summary( new_lobby.Create_Summary() );
Add_As_Watcher( next_match, player_id );
}
}
else if ( previous_starting_index > 0 )
{
// we just lost the last lobby in our visible set; try browsing backwards from the lost lobby in order to pick up some more
List< ELobbyID > lobby_list = new List< ELobbyID >();
Build_Backwards_Set_Aux( browser, previous_starting_index, lobby_list );
if ( lobby_list.Count > 0 )
{
Browse_Lobby_List( browser, lobby_list );
}
lobby_list.Apply( id => add_remove_message.Add_Summary( CServerLobbyManager.Instance.Get_Lobby( id ).Create_Summary() ) );
}
CServerMessageRouter.Send_Message_To_Player( add_remove_message, player_id );
}
private ELobbyID Find_New_Lobby( CServerLobbyBrowser browser, int starting_index )
{
for ( int i = starting_index; i < m_SortedLobbies.Count; i++ )
{
ELobbyID lobby_id = m_SortedLobbies[ i ];
CServerLobby lobby = CServerLobbyManager.Instance.Get_Lobby( lobby_id );
if ( !lobby.Matches_Browse_Criteria( browser.BrowseCriteria ) )
{
continue;
}
if ( lobby.Check_Join( browser.PlayerID ) != EJoinLobbyFailureReason.None )
{
continue;
}
return lobby_id;
}
return ELobbyID.Invalid;
}
private void Build_Backwards_Set_Aux( CServerLobbyBrowser browser, int previous_starting_index, List< ELobbyID > lobby_list )
{
for ( int i = previous_starting_index - 1; i >= 0; i-- )
{
ELobbyID lobby_id = m_SortedLobbies[ i ];
CServerLobby lobby = CServerLobbyManager.Instance.Get_Lobby( lobby_id );
if ( !lobby.Matches_Browse_Criteria( browser.BrowseCriteria ) )
{
continue;
}
if ( lobby.Check_Join( browser.PlayerID ) != EJoinLobbyFailureReason.None )
{
continue;
}
lobby_list.Add( lobby_id );
if ( lobby_list.Count >= MAX_WATCHED_LOBBIES )
{
break;
}
}
lobby_list.Reverse();
if ( lobby_list.Count < MAX_WATCHED_LOBBIES )
{
Build_Forwards_Set_Aux( browser, previous_starting_index, lobby_list );
}
}
private bool Browse_Backwards( CServerLobbyBrowser browser, int previous_starting_index )
{
List< ELobbyID > lobby_list = new List< ELobbyID >();
Build_Backwards_Set_Aux( browser, previous_starting_index, lobby_list );
if ( lobby_list.Count > 0 )
{
Browse_Lobby_List( browser, lobby_list );
}
return lobby_list.Count > 0;
}
private void Browse_Lobby_List( CServerLobbyBrowser browser, List< ELobbyID > lobby_list )
{
Clear_Watched_Lobbies( browser.PlayerID );
lobby_list.Apply( lobby_id => Add_As_Watcher( lobby_id, browser.PlayerID ) );
}
private void Handle_Start_Browse_Lobby_Request( CStartBrowseLobbyRequest request, EPersistenceID player_id )
{
CConnectedPlayer player = CConnectedPlayerManager.Instance.Get_Active_Player_By_Persistence_ID( player_id );
if ( player == null )
{
return;
}
if ( !player.State_Allows_Operation( EConnectedPlayerOperation.Browse_Lobbies ) )
{
CServerMessageRouter.Send_Message_To_Player( new CStartBrowseLobbyResponse( request.RequestID, EStartBrowseResult.Invalid_State ), player_id );
return;
}
CLog.Log( ELoggingChannel.Lobby, ELogLevel.Medium, String.Format( "Player {0} requesting to start browsing lobbies.",
CConnectedPlayerManager.Get_Player_Log_Name( player_id ) ) );
Stop_Browsing( player_id );
CServerLobbyBrowser browser = new CServerLobbyBrowser( player_id, request.BrowseCriteria, request.JoinFirstAvailable );
m_Browsers.Add( player_id, browser );
Browse_Forwards( browser, 0 );
if ( browser.Has_Matches() && request.JoinFirstAvailable )
{
ELobbyID lobby_id = browser.WatchedLobbies.First();
Stop_Browsing( player_id );
CServerMessageRouter.Send_Message_To_Player( new CStartBrowseLobbyResponse( request.RequestID, EStartBrowseResult.AutoJoined ), player_id );
CServerLobbyManager.Instance.Join_Lobby_By_Browsing( player_id, lobby_id );
return;
}
// send initial lobby set
CStartBrowseLobbyResponse response = new CStartBrowseLobbyResponse( request.RequestID, EStartBrowseResult.Success );
browser.WatchedLobbies.Apply( lobby_id => response.Add_Summary( Build_Summary( lobby_id ) ) );
CServerMessageRouter.Send_Message_To_Player( response, player_id );
}