public Outlet(RoomGenerator prev, RoomGenerator next, MapGenerator.Direction dir)
{
m_prev = prev;
m_next = next;
m_prev.SetRoom(this, dir);
m_next.SetRoom(this, MapGenerationHelpers.Opposite(dir));
}
public bool CheckAvailability(MapGenerator.Direction dir)
{
if ((dir == MapGenerator.Direction.Up && m_top != null) ||
(dir == MapGenerator.Direction.Right && m_right != null) ||
(dir == MapGenerator.Direction.Left && m_left != null) ||
(dir == MapGenerator.Direction.Down && m_bottom != null))
{
return(false);
}
return(true);
}
//-------------------------------------------------------------------
// This links 2 rooms together.
// mapIndex: the index of the room's location in the map
// dir: the direction of the room we want to link to
// TODO: this return value seems off, need to think about refactoring this
// return: whether we created a new room while linking
//-------------------------------------------------------------------
bool Link(int mapIndex, MapGenerator.Direction dir)
{
// the offset from the mapIndex to reach the other room
int offset = GetOffsetDifference(mapIndex, dir);
bool createdNewRoom = false;
if (offset != 0)
{
// The index to the room we are linking to
int linkRoomIndex = mapIndex + offset;
Debug.Assert(linkRoomIndex >= 0 && linkRoomIndex < m_mapSize);
// The room hasn't been created yet
if (!m_roomGenMap.ContainsKey(linkRoomIndex))
{
// If we've reached the maximum number of rooms allowed
// we do NOT create any additional rooms
if (maxRoomCount <= m_roomCount)
{
return(false);
}
// Create the room
m_roomGenMap.Add(linkRoomIndex, new RoomGenerator(linkRoomIndex));
createdNewRoom = true;
++m_roomCount;
}
// Link the rooms
Debug.Assert(m_roomGenMap.ContainsKey(mapIndex));
Debug.Assert(m_roomGenMap.ContainsKey(linkRoomIndex));
m_outlets.Add(new Outlet(m_roomGenMap[mapIndex], m_roomGenMap[linkRoomIndex], dir));
if (createdNewRoom)
{
// Outward Expand
if (outwardExpand)
{
toExpand.Enqueue(m_roomGenMap[linkRoomIndex]);
}
// Linear Expand
else
{
Expand(linkRoomIndex);
}
}
}
return(createdNewRoom);
}
public void SetRoom(Outlet outlet, MapGenerator.Direction dir)
{
switch (dir)
{
case MapGenerator.Direction.Up:
m_top = outlet;
return;
case MapGenerator.Direction.Down:
m_bottom = outlet;
return;
case MapGenerator.Direction.Left:
m_left = outlet;
return;
case MapGenerator.Direction.Right:
m_right = outlet;
return;
}
}
public static MapGenerator.Direction Opposite(MapGenerator.Direction dir)
{
switch (dir)
{
case MapGenerator.Direction.Up:
return(MapGenerator.Direction.Down);
case MapGenerator.Direction.Down:
return(MapGenerator.Direction.Up);
case MapGenerator.Direction.Left:
return(MapGenerator.Direction.Right);
case MapGenerator.Direction.Right:
return(MapGenerator.Direction.Left);
default:
Debug.Assert(false);
break;
}
// if we get the same direction we've reached an error
return(dir);
}
