protected Map(int rows, int columns)
{
_cells = new Cell[rows, columns];
Bounds = new RectI(0, 0, columns, rows);
Rows = rows;
Columns = columns;
}
public Room Generate(Random random, Area area)
{
if (_roomCount >= MaxRooms)
{
return null;
}
// Don't place the room on the area's edge.
// This will keep rooms from being adjacent to each other.
var placeableBounds = area.Bounds.Inflate(-1);
var width = random.Next(MinWidth, placeableBounds.Width + 1);
var height = random.Next(MinHeight, placeableBounds.Height + 1);
// Find a place in the area to put the room.
while (true)
{
var x = random.Next(placeableBounds.Left, placeableBounds.Right - width + 1 + 1);
var y = random.Next(placeableBounds.Top, placeableBounds.Bottom - height + 1 + 1);
var roomBounds = new RectI(x, y, width, height);
if (placeableBounds.Contains(roomBounds))
{
_roomCount++;
return new Room(random, roomBounds);
}
}
}
public Room(Random random, RectI bounds)
{
_random = random;
HasNorthDoor = false;
HasSouthDoor = false;
HasEastDoor = false;
HasWestDoor = false;
Bounds = bounds;
}
public void Fill(Chunk chunk, ChunkLayer layer, RectI bounds, int blockId)
{
for (var row = bounds.Top; row <= bounds.Bottom; row++)
{
for (var column = bounds.Left; column <= bounds.Right; column++)
{
chunk[layer, column, row] = blockId;
}
}
}
public Area(RoomGenerator roomGenerator, Random random, int x, int y, int width, int height)
{
Random = random;
Bounds = new RectI(x, y, width, height);
SubArea1 = null;
SubArea2 = null;
Split(roomGenerator);
if (!HasChildren)
{
Room = roomGenerator.Generate(random, this);
}
}
private bool Contains(RectI bounds, Vector2I roomLocation, Room room)
{
return
bounds.Contains(roomLocation.X, roomLocation.Y) &&
bounds.Contains(roomLocation.X + room.Columns - 1, roomLocation.Y) &&
bounds.Contains(roomLocation.X + room.Columns - 1, roomLocation.Y + room.Rows - 1) &&
bounds.Contains(roomLocation.X, roomLocation.Y + room.Rows - 1);
}