/// <summary>
/// Go through all of the generated rooms that match the parameter and add a small room to them so they don't lead to nowhere.
/// </summary>
/// <param name="typeToCloseOff">The room type to look for.</param>
private void CloseOffPaths()
{
if (closeOffParent == null)
{
closeOffParent = new GameObject("Path closing rooms - ");
closeOffParent.transform.parent = emptyGameObject.transform;
}
foreach (var roomType in RoomTypesToCloseOff)
{
foreach (GameObject go in GameObject.FindGameObjectsWithTag("RoomInstance"))
{
currRoom = go.GetComponent <Room>();
if (currRoom.GetRoomType().Equals(roomType))
{
foreach (var exit in currRoom.GetRoomExits())
{
if (exit.GetConnectionStatus().Equals(RoomExit.ExitStatus.Connected)) //if exit is connected, skip it
{
continue;
}
Room newRoom = (Room)Instantiate(rnd.GetRandom(RoomsToUseToClosePath));
newRoom.SetupCollider();
currExit = exit.GetExit();
var newRoomExits = newRoom.GetExits();
var exitToMatch = rnd.GetRandom(newRoomExits);
newRoom.tag = "RoomInstance";
newRoom.gameObject.layer = LayerMask.NameToLayer("RoomInstances");
currExit.MatchExits(exitToMatch);
if (collision.DetectCollision(newRoom))
{
MarkRoomForDestruction(newRoom);
currRoom.CloseCollidingExit(currExit); // cannot add room here so close the exit
continue;
}
currRoom.ConnectExits(currExit, exitToMatch);
newRoom.ConnectExits(exitToMatch, currExit);
newRoom.transform.SetParent(closeOffParent.transform);
}
}
}
}
closeOffParent.name += closeOffParent.GetComponentsInChildren <Room>().Count();
}
/// <summary>
/// Try and add the specified 'ExitRoom' to one of the open exits.
/// </summary>
private void SetupExitRoom()
{
if (ExitRoom == null) //no exit room prefab was provided
{
hasExitRoomBeenSuccessfullyAdded = true;
if (_DEBUG_MODE)
{
FileLogger.Log(">No Exit Room Specified. Terminating SetupExitRoom function.<");
}
return;
}
if (_DEBUG_MODE)
{
FileLogger.Log(">Starting SetupExitRoom...");
}
if ((supportFunctions.GetAllRoomsWithActiveExits().Count < 3 || supportFunctions.GetRoomsWithPossibleExits().Count < 5) && expandPathBy > 1)
{
//Make sure there are enough exits before spawning an exit room as it would certainly be a dead end
if (_DEBUG_MODE)
{
FileLogger.Log("Postponing SetupExitRoom due to possibility of creating a dead-end.");
}
hasExitRoomBeenSuccessfullyAdded = false;
return;
}
//Select a room to connect the exit to.
int excludeRooms = 0; //counter to keep track of how many rooms we've backtracked so we do not check the same ones again
currRoom = supportFunctions.BacktrackToLastRoomWithActiveExits(GetComponent <ConnectionRules>().GetPossibleConnectionBetweenRoomsByRoomType(ExitRoom.GetRoomType()),
ref excludeRooms);; //find a room to add the exit to(needs to meet one of the connection rules criteria)
if (currRoom.Equals(InitialRoom))
{
if (_DEBUG_MODE)
{
FileLogger.Log(">Attempted to connect exit room to initial room. Returning and awaiting more available rooms.<");
}
hasExitRoomBeenSuccessfullyAdded = true;
return;
}
if (currRoom == null)
{
//force stop the execution of the function if a suitable room wasn't found
if (_DEBUG_MODE)
{
FileLogger.Log(">!< Could not add exit room to any of the rooms. Terminating SetupExitRoom function! >!<");
}
hasExitRoomBeenSuccessfullyAdded = false;
return;
}
Room exitRoom = (Room)Instantiate(ExitRoom);
exitRoom.SetupCollider();
exitRoom.tag = "RoomInstance";
exitRoom.gameObject.layer = LayerMask.NameToLayer("RoomInstances");
var exitRoomExits = exitRoom.GetExits(); //get exits for the new room
RoomConnector exitToMatch = null;
bool collisionDetected = false;
do
{
if (currRoom == null || currRoom.Equals(InitialRoom))
{
//force stop the execution of the function if a suitable room wasn't found
if (_DEBUG_MODE)
{
FileLogger.Log(">!< Could not add exit room to any of the rooms. Terminating SetupExitRoom function! >!<");
}
MarkRoomForDestruction(exitRoom);
hasExitRoomBeenSuccessfullyAdded = false;
return;
}
currExit = rnd.GetRandom(currRoom.GetActiveExits());
if (collisionDetected)
{
currRoom = supportFunctions.BacktrackToLastRoomWithActiveExits(GetComponent <ConnectionRules>().GetPossibleConnectionBetweenRoomsByRoomType(exitRoom.GetRoomType()),
ref excludeRooms); //find a room to add the exit to
excludeRooms++; //if this room cannot be connected to the one that was just found, then ignore it next time as we don't close the exit / prevent inf loop
continue;
}
exitToMatch = rnd.GetRandom(exitRoomExits); //select default exit or choose one at random
currExit.MatchExits(exitToMatch); //rotate the new room so it connects correctly
}while (collisionDetected = collision.DetectCollision(exitRoom)); //deal with the collision
currRoom.ConnectExits(currExit, exitToMatch);
exitRoom.ConnectExits(exitToMatch, currExit);
exitRoom.transform.parent = emptyGameObject.transform;
exitRoom.name = "ExitRoom";
hasExitRoomBeenSuccessfullyAdded = true;
if (markEndRoom)
{
exitRoom.GetComponent <Renderer>().material.color = Color.red;
}
if (_DEBUG_MODE)
{
FileLogger.Log("<SetupExitRoom was successful.");
}
}
/// <summary>
/// Instantiates a room and adds it to the level. Based on the passed in argument it will either
/// add a room to the main path of the level(true) or to a random room(false).
/// Returns 1 if function was successful. 0 if collision occured. -1 if there are no more active exits.
/// </summary>
/// <param name="onMainPath">True: generate the main path. False: expand the level</param>
/// <returns>-1 if dead end has been found; 0 if a collision has occured; 1 if room was generated successfully.</returns>
private int GenerateRoom(bool onMainPath = true)
{
if (supportFunctions.GetTotalNumberOfActiveExits() == 0)
{
return(-1);
}
//try and add the exit room if the previous attempt was unsuccessful
if (!onMainPath && supportFunctions.GetAllRoomsWithActiveExits().Count > 3 && !hasExitRoomBeenSuccessfullyAdded && CURRENT_UNSUCCESSFUL_ROOM_REPLACMENT_ATTEMPTS == 0)
{//dont generate during main path generation, but also make sure the function is not trying to add another room at this time
if (_DEBUG_MODE)
{
FileLogger.Log(">!< Trying SetupExitRoom during Expansion >!<");
}
SetupExitRoom();
}
//if expanding level( NOT onMainPath) and not re-trying due to collision ( curr unsuccessful attempts is 0)
if (!onMainPath && CURRENT_UNSUCCESSFUL_ROOM_REPLACMENT_ATTEMPTS == 0)
{
currRoom = rnd.GetRandom(supportFunctions.GetAllRoomsWithActiveExits().ToArray()); //pick a random open exit from the list to use
}
//if we're not trying to replace a room due to collision, get a new random exit
if (CURRENT_UNSUCCESSFUL_ROOM_REPLACMENT_ATTEMPTS == 0)
{
currExit = rnd.GetRandom(currRoom.GetActiveExits()); //get the exit's room component
}
var possibleRoomConnections = GetComponent <ConnectionRules>().GetPossibleConnectionBetweenRoomsByRoomType(currExit.transform.parent.GetComponent <Room>().GetRoomType());
var pickRandomRoomType = rnd.GetRandom(possibleRoomConnections); //pick randomly a room type which can be connected to the current one's exit
var newRoomPrefab = rnd.GetRandomByRoomType(Rooms, pickRandomRoomType); //find item with specific room type
if (onMainPath)
{
//avoid dead end if the new room will have only 1 exit which will be closed upon conneciton with the current room, or if there are few exits left
if (newRoomPrefab.GetExits().Length <= 1 || supportFunctions.GetTotalNumberOfActiveExits() <= 3)
{
supportFunctions.AvoidDeadEnd(ref newRoomPrefab, possibleRoomConnections);
}
}
else
{
if (supportFunctions.GetTotalNumberOfActiveExits() <= 5)
{
supportFunctions.AvoidDeadEnd(ref newRoomPrefab, possibleRoomConnections);
}
}
var newRoom = (Room)Instantiate(newRoomPrefab);
if (onMainPath)
{
newRoom.name += "SP" + uniqueID;
}
else
{
newRoom.name += "EXP" + uniqueID;
}
newRoom.SetupCollider();
newRoom.tag = "RoomInstance";
newRoom.gameObject.layer = LayerMask.NameToLayer("RoomInstances");
var newRoomExits = newRoom.GetExits(); //get exits for the new room
var exitToMatch = rnd.GetRandom(newRoomExits); //select default exit or choose one at random
currExit.MatchExits(exitToMatch); //rotate the new room so it connects correctly
if (collision.DetectCollision(newRoom)) //deal with the collision
{
MarkRoomForDestruction(newRoom);
CURRENT_UNSUCCESSFUL_ROOM_REPLACMENT_ATTEMPTS++;
if (CURRENT_UNSUCCESSFUL_ROOM_REPLACMENT_ATTEMPTS >= MAX_UNSUCCESSFUL_ROOM_REPLACEMENT_ATTEMPTS) //close off exit and backtrack
{
//close off exit only if there are other exits still open - otherwise it would lead to a complete dead end
CURRENT_UNSUCCESSFUL_ROOM_REPLACMENT_ATTEMPTS = 0;
currRoom.CloseCollidingExit(currExit);
//find a new room with active exits.
if (onMainPath)
{
currRoom = supportFunctions.BacktrackToLastRoomWithActiveExits();
}
//else case will be executed next time the function is called as currRoom will be randomly picked if not onMainPath
}
return(0);
}
//reset attempts and connect the rooms
CURRENT_UNSUCCESSFUL_ROOM_REPLACMENT_ATTEMPTS = 0;
currRoom.ConnectExits(currExit, exitToMatch);
newRoom.ConnectExits(exitToMatch, currExit);
if (allowLoops)
{
newRoom.ConnectActiveExitsInProximity();
}
if (onMainPath)
{
newRoom.transform.SetParent(spParent.transform);
if (highlightMainPath)
{
// "highlight" the main path
currRoom.GetComponent <Renderer>().material.color = Color.green;
newRoom.GetComponent <Renderer>().material.color = Color.green;
}
//if the new room doesn't have an exit, don't move into it
if (newRoom.GetActiveExits().Length >= 1)
{
currRoom = newRoom;
}
if (currRoom.GetActiveExits().Length == 0)
{
currRoom = supportFunctions.BacktrackToLastRoomWithActiveExits();
CURRENT_UNSUCCESSFUL_ROOM_REPLACMENT_ATTEMPTS = 0;
}
}
else
{
newRoom.transform.SetParent(expParent.transform);
}
uniqueID++;
return(1);
}
