/// <summary>
/// search all rooms in AreaList assigning coords then checking neighbours
/// and repeating until AreaList is empty
///
/// Completed rooms are added to CompletedRooms and removed from AreaList
///
/// </summary>
/// <returns>Returns CompletedRooms which contains the list of rooms that have coordinates set</returns>
public List <Room.Room> AssignCoords()
{
var startingLoc = AreaList.FirstOrDefault(x => x.areaId == 0);
if (startingLoc == null)
{
return(null);
}
SetCoords(startingLoc, new Coordinates());
/*
* Takes the 1st room and search all 4 exits
* and assigns them coordinates adding them
* to the completed list
*/
ProcessRoom(startingLoc);
/*
* Now completedList has areas, loop areaList looking for rooms
* that have exits that lead to one of the rooms in the completed list
*/
while (AreaList.Count > 0)
{
var getRoom = AreaList.Last();
//Check if getRoom has a neighbour in the completed List
var getNeighbour = GetNeighbour(getRoom);
if (getNeighbour != null)
{
var getExitToNeighbour = GetNeighbourExit(getRoom, getNeighbour);
if (getExitToNeighbour != null)
{
SetCoords(getRoom, GetNewCoord(getNeighbour.coords, getExitToNeighbour.name, true));
}
ProcessRoom(getRoom);
}
else
{
/*
* if nothing found remove the room from areaList
* and add back to the top of the Area:ist
*/
AreaList.Remove(getRoom);
AreaList.Insert(0, getRoom);
}
}
//Once all rooms in areaList have been processed return the list of completed rooms
return(CompletedRooms);
}
/// <summary>
/// loops through the exits of getRoom looking for adjacent rooms in AreaList
/// then assigns coords to getRoom relating to the adjacent room
///
/// For example:
/// getRoom is (0,0,0) and has an exit which leads to areaId 1
///
/// nextRoom is a room that has the matching areaId of one of getRoom's exits
/// in this case 1.
///
/// So the coordinates it will assign to nextRoom is (1,0,0)
///
/// Because GetNewCoord(getRoom.coords, exit.name);
/// would look like this:
/// GetNewCoord((0,0,0), "North");
///
/// Once the coord has been given to a room it adds it to the completed
/// list and removes it from area list
///
/// </summary>
/// <param name="getRoom">Last room from area list</param>
public void ProcessRoom(Room.Room getRoom)
{
foreach (var exit in getRoom.exits)
{
var nextRoom = AreaList.FirstOrDefault(x => x.areaId == exit.areaId);
var nextRoomCoords = GetNewCoord(getRoom.coords, exit.name);
if (nextRoom != null && nextRoom.visited == false)
{
SetCoords(nextRoom, nextRoomCoords);
nextRoom.visited = true;
CompletedRooms.Add(nextRoom);
AreaList.Remove(nextRoom);
}
}
getRoom.visited = true;
CompletedRooms.Add(getRoom);
AreaList.Remove(getRoom);
}