private void BuildDungeon(GameEvents.RequestDungeonEvent e)
{
Debug.LogFormat("Seed: {0}, Theme: {1}", e.Seed, e.Theme);
// TODO
// will need to load prefabs based on level theme!
m_Rng = new System.Random(e.Seed);
m_PotentialPathRooms = new Queue <RoomDatum>();
m_MainPathRooms = new List <RoomDatum>();
m_DeadEndRooms = new List <RoomDatum>();
// construct the main path
int maxPathLength = 5;
m_CurrentRoomCount = 0;
m_MainPath = true;
RoomDatum startRoom = new RoomDatum(eRoom.Start);
ProcessNextRoom(startRoom, null, maxPathLength);
// fill out side paths
BuildSidePaths();
// place interesting things
PlaceObjects();
// notify
Vector3 startPosition = startRoom.Room.FloorCenter.position + Vector3.up * 2f;
Quaternion startRotation = Quaternion.identity;
VSEventManager.Instance.TriggerEvent(new GameEvents.DungeonBuiltEvent(startPosition, startRotation));
}
private RoomDatum DetermineNextRoom(int maxRoomCount)
{
RoomDatum nextRoom = null;
if (m_CurrentRoomCount == maxRoomCount - 1)
{
if (m_MainPath)
{
nextRoom = new RoomDatum(eRoom.End);
}
else
{
// TODO better way of marking dead end? like an eRoom type?
nextRoom = new RoomDatum(eRoom.Sqr_Sm);
}
}
else
{
float nextRoomChance = (float)m_Rng.NextDouble();
if (nextRoomChance < 0.45f)
{
nextRoom = new RoomDatum(eRoom.Sqr_Md);
}
else if (nextRoomChance < 0.75f)
{
nextRoom = new RoomDatum(eRoom.Rct_Sm);
}
else
{
nextRoom = new RoomDatum(eRoom.Sqr_Lg);
}
}
return(nextRoom);
}
private void BuildSidePaths()
{
int maxLength = 4;
int minLength = 2;
while (m_PotentialPathRooms.Count > 0)
{
RoomDatum data = m_PotentialPathRooms.Dequeue();
int pathLength = m_Rng.Next(maxLength) + minLength;
m_CurrentRoomCount = 0;
m_MainPath = false;
ProcessNextRoom(data, null, pathLength);
}
}
private bool DetermineEndOfRoute(RoomDatum roomData, Connector roomEntry)
{
if (roomData.RoomType == eRoom.Sqr_Sm && !roomEntry.IsOnMainPath)
{
roomData.SetDeadEnd();
m_DeadEndRooms.Add(roomData);
GameObject roomObj = roomData.Room.gameObject;
roomObj.name = string.Format("{0} [{1}]", roomObj.name, "Dead End");
return(true);
}
// check end room
if (roomData.RoomType == eRoom.End)
{
return(true);
}
return(false);
}
private void ProcessNextRoom(RoomDatum roomData, Connector prevHallConnector, int maxRoomCount)
{
Room room = BuildRoom(roomData, prevHallConnector);
Connector entryConnector = room.Connectors[0];
m_CurrentRoomCount += 1;
// check for dead ends
bool end = DetermineEndOfRoute(roomData, entryConnector);
if (end)
{
return;
}
int previousSlot = 0; // should probably track the actual last slot to help avoid overlapping
Connector randomConnector = room.GetRandomConnector(previousSlot, m_Rng);
Hall hall = BuildHall(randomConnector, entryConnector, room, maxRoomCount);
RoomDatum nextRoom = DetermineNextRoom(maxRoomCount);
ProcessNextRoom(nextRoom, hall.Connectors[1], maxRoomCount);
}
private Room BuildRoom(RoomDatum roomData, Connector prevHallConnector)
{
// spawn the new room
bool existingRoom = (roomData.Room != null);
Room room = roomData.Room;
GameObject roomObj = null;
Connector previousConnector = prevHallConnector;
if (existingRoom)
{
room = roomData.Room;
roomObj = room.gameObject;
previousConnector = roomData.PreviousHallConnector;
}
else
{
roomObj = (GameObject)Instantiate(m_RoomPrefabs[(int)roomData.RoomType], null);
room = roomObj.GetComponent <Room>();
roomData.SetRoom(room, prevHallConnector);
}
Connector entryConnector = room.Connectors[0];
if (roomData.RoomType == eRoom.Start)
{
entryConnector.IsOnMainPath = true;
}
if (previousConnector != null)
{
Vector3 position = previousConnector.WorldPosition + room.GetConnectorToCenter(entryConnector);
position.y = 0f; // all rooms at 0 height
roomObj.transform.position = position;
// update connections
previousConnector.SetNextSpace(room);
entryConnector.IsOnMainPath = previousConnector.IsOnMainPath;
// rotate
if (!existingRoom)
{
float angleFromForward = 180f + Utils.SignedAngle(Vector3.forward, previousConnector.Forward);
roomObj.transform.RotateAround(previousConnector.WorldPosition, Vector3.up, angleFromForward);
}
// open the door
room.OpenWall(0);
}
else
{
// no previous room, likely the start room
roomObj.transform.position = Vector3.zero + room.GetConnectorToCenter(entryConnector);
}
// queue up potential side path rooms
if (m_MainPath && roomData.RoomType != eRoom.Start && roomData.RoomType != eRoom.End && !roomData.IsDeadEnd)
{
m_PotentialPathRooms.Enqueue(roomData);
m_MainPathRooms.Add(roomData);
}
// ugh
if (roomData.RoomType == eRoom.Start)
{
m_StartRoom = roomData.Room;
}
else if (roomData.RoomType == eRoom.End)
{
m_EndRoom = roomData.Room;
}
return(room);
}