bool CheckRoomOverlap(BasicRoomScript room)
{
Bounds bounds = room.RoomBounds;
bounds.Expand(-0.5f);
Collider[] colliders = Physics.OverlapBox(bounds.center, bounds.size * 0.5f, room.transform.rotation, RoomLayerMask);
if (colliders.Length > 0)
{
//Ignore collisions with current room
foreach (Collider c in colliders)
{
if (c.transform.parent.gameObject.Equals(room.gameObject))
{
continue;
}
else
{
Debug.LogError("Overlap detected");
return(true);
}
}
}
return(false);
}
void AddDoorwaysToList(BasicRoomScript room, ref List <Doorways> list)
{
foreach (Doorways doorway in room.doorways)
{
int r = Random.Range(0, list.Count);
list.Insert(r, doorway);
}
}
void PlaceEndRoom()
{
//Instanitate room
endRoom = Instantiate(endRoomPrefab) as EndRoom;
endRoom.transform.parent = this.transform;
//Create doorway lists to loop over
List <Doorways> allAvailableDoorways = new List <Doorways>(availableDoorways);
Doorways doorway = endRoom.doorways[0];
bool roomPlaced = false;
//Try all available doorways
foreach (Doorways availableDoorway in allAvailableDoorways)
{
//Position room
BasicRoomScript room = (BasicRoomScript)endRoom;
PositionRoomAtDoorway(ref room, doorway, availableDoorway);
//Check room overlaps
if (CheckRoomOverlap(endRoom))
{
continue;
}
roomPlaced = true;
//Remove occupied doorways
doorway.gameObject.SetActive(false);
availableDoorways.Remove(doorway);
availableDoorway.gameObject.SetActive(false);
availableDoorways.Remove(availableDoorway);
//Exit loop if room has been placed
break;
}
//Room couldn't be placed. Restart generator and try again
if (!roomPlaced)
{
ResetLevelGenerator();
}
}
void PositionRoomAtDoorway(ref BasicRoomScript room, Doorways roomDoorways, Doorways targetDoorway)
{
//Reset room position and rotation
room.transform.position = Vector3.zero;
room.transform.rotation = Quaternion.identity;
//Rotate room to match previous doorway orientation
Vector3 targetDoorwayEuler = targetDoorway.transform.eulerAngles;
Vector3 roomDoorwaysEuler = roomDoorways.transform.eulerAngles;
float deltaAngle = Mathf.DeltaAngle(roomDoorwaysEuler.y, targetDoorwayEuler.y);
Quaternion currentRoomTargetRotation = Quaternion.AngleAxis(deltaAngle, Vector3.up);
room.transform.rotation = currentRoomTargetRotation * Quaternion.Euler(0, 180f, 0);
//Position room
Vector3 roomPositionOffset = roomDoorways.transform.position - room.transform.position;
room.transform.position = targetDoorway.transform.position - roomPositionOffset;
}
void PlaceRoom()
{
//Instanitate room
BasicRoomScript currentRoom = Instantiate(roomPrefabs[Random.Range(0, roomPrefabs.Count)]) as BasicRoomScript;
currentRoom.transform.parent = this.transform;
//Create doorway lists to loop over
List <Doorways> allAvailableDoorways = new List <Doorways>(availableDoorways);
List <Doorways> currentRoomDoorways = new List <Doorways>();
AddDoorwaysToList(currentRoom, ref currentRoomDoorways);
//Get doorways from current room and add them randomly to the list of available doorways
AddDoorwaysToList(currentRoom, ref availableDoorways);
bool roomPlaced = false;
//Try all available doorways
foreach (Doorways availableDoorway in allAvailableDoorways)
{
//Try all available doorways in current room
foreach (Doorways currentDoorway in currentRoomDoorways)
{
//Position room
PositionRoomAtDoorway(ref currentRoom, currentDoorway, availableDoorway);
//Check room overlaps
if (CheckRoomOverlap(currentRoom))
{
continue;
}
roomPlaced = true;
//Add room to list
placedRooms.Add(currentRoom);
//Rmove occupied doorways
currentDoorway.gameObject.SetActive(false);
availableDoorways.Remove(currentDoorway);
availableDoorway.gameObject.SetActive(false);
availableDoorways.Remove(availableDoorway);
//Exit loop if room has been placed
break;
}
//Exit loop if room has been placed
if (roomPlaced)
{
break;
}
}
//Room couldn't be placed. Restart generator and try again
if (!roomPlaced)
{
Destroy(currentRoom.gameObject);
ResetLevelGenerator();
}
}
