public void AddExit(SimpleDungeonRoom from, SimpleDungeonRoom to, Direction direction)
{
from.exits.Add(direction);
switch (direction)
{
case Direction.East:
to.exits.Add(Direction.West);
break;
case Direction.West:
to.exits.Add(Direction.East);
break;
case Direction.South:
to.exits.Add(Direction.North);
break;
case Direction.North:
to.exits.Add(Direction.South);
break;
default:
break;
}
}
private static Vector2 GetNeighborLocation(SimpleDungeonRoom startingRoom, Direction direction)
{
Vector2 neighborLocation = startingRoom.location;
switch (direction)
{
case Direction.East:
neighborLocation.x++;
break;
case Direction.West:
neighborLocation.x--;
break;
case Direction.North:
neighborLocation.y++;
break;
case Direction.South:
neighborLocation.y--;
break;
default:
break;
}
return neighborLocation;
}
public List<SimpleDungeonRoom> GenerateDungeonLayout()
{
List<SimpleDungeonRoom> dungeonRooms = new List<SimpleDungeonRoom>();
SimpleDungeonRoom startingRoom = new SimpleDungeonRoom();
startingRoom.location = Vector2.zero;
dungeonRooms.Add(startingRoom);
//for each remaining room, add a room on to an existing room
for (int i = 1; i < numRooms; i++)
{
SimpleDungeonRoom newRoom = new SimpleDungeonRoom();
bool roomPlaced = false;
//just brute force it for now
while (!roomPlaced)
{
//pick a random starting room
int randomRoomIndex = UnityEngine.Random.Range(0, dungeonRooms.Count);
SimpleDungeonRoom connectedRoom = dungeonRooms[randomRoomIndex];
//pick a random direction
Direction randomDirection = GetRandomDirection();
Vector2 newRoomLocation = GetNeighborLocation(connectedRoom, randomDirection);
SimpleDungeonRoom existingRoom = GetRoom(newRoomLocation, dungeonRooms);
if (existingRoom == null)
{
//we found an empty spot, put the room here
newRoom.location = newRoomLocation;
AddExit(connectedRoom, newRoom, randomDirection);
dungeonRooms.Add(newRoom);
roomPlaced = true;
}
}
}
return dungeonRooms;
}
