//the gamemanager only starts on its initial call from the level manager
public void SetUpGameArea(List <Room> roomList)
{
//set up the lists
levelEntities = new List <Entity>();
levelRooms = roomList;
gamePaths = new List <List <Room> >();
activeRoom = new Room();
//fill the list of game paths
AcquireRoads();
//set up the entrances by picking the longest road from the list
SetUpDungeonEntrances();
//set up the rest of the rooms
SetUpDungeonRooms();
//pass level entity data
graphicsManager.AcquireLevelEntityData(levelEntities);
//and start the drawing process
graphicsManager.Draw();
}