public void CreateDoors()
{
foreach (Rect room in _rooms)
{
Vector2Int roomCenter = Vector2Int.CeilToInt(room.center);
Array values = Enum.GetValues(typeof(MapUtils.CardinalFourDirections));
MapUtils.CardinalFourDirections randomDirection = (MapUtils.CardinalFourDirections)values.GetValue(_random.Next(0, values.Length));
Vector2Int doorPosition = Vector2Int.zero;
switch (randomDirection)
{
case MapUtils.CardinalFourDirections.NORTH:
{
doorPosition = new Vector2Int(roomCenter.x, (int)room.max.y);
break;
}
case MapUtils.CardinalFourDirections.SOUTH:
{
doorPosition = new Vector2Int(roomCenter.x, (int)room.min.y);
break;
}
case MapUtils.CardinalFourDirections.EAST:
{
doorPosition = new Vector2Int((int)room.min.x, roomCenter.y);
break;
}
case MapUtils.CardinalFourDirections.WEST:
{
doorPosition = new Vector2Int((int)room.max.x, roomCenter.y);
break;
}
}
_map.SetTile(doorPosition.x, doorPosition.y, new Tile(Tile.Type.Empty));
}
}
public void Walk(int width, int height)
{
// ==== Choose Direction ====
float north = 1.0f;
float south = 1.0f;
float east = 1.0f;
float west = 1.0f;
//weight the random walk against edges
//drunkard is at far left side of map
if (_drunkardX < width * 0.25f)
{
east += _weightedTowardCenter;
}
//drunkard is at far right side of map
else if (_drunkardX > _width * 0.75f)
{
west += _weightedTowardCenter;
}
//drunkard is at the top of the map
if (_drunkardY < _height * 0.25f)
{
south += _weightedTowardCenter;
}
//drunkard is at the bottom of the map
else if (_drunkardY > height * 0.75f)
{
north += _weightedTowardCenter;
}
//weight the random walk in favor of the previous direction
if (_previousDirection == MapUtils.CardinalFourDirections.NORTH)
{
north += _weightedTowardPreviousDirection;
}
if (_previousDirection == MapUtils.CardinalFourDirections.SOUTH)
{
south += _weightedTowardPreviousDirection;
}
if (_previousDirection == MapUtils.CardinalFourDirections.EAST)
{
east += _weightedTowardPreviousDirection;
}
if (_previousDirection == MapUtils.CardinalFourDirections.WEST)
{
west += _weightedTowardPreviousDirection;
}
//normalize probabilities so they form a range from 0 to 1
float total = north + south + east + west;
north /= total;
south /= total;
east /= total;
west /= total;
//Choose the direction
MapUtils.CardinalFourDirections direction;
double choice = _random.NextDouble();
int dx = 0;
int dy = 0;
if ((0.0f <= choice) && (choice < north))
{
dx = 0;
dy = -1;
direction = MapUtils.CardinalFourDirections.NORTH;
}
else if ((north <= choice) && choice < (north + south))
{
dx = 0;
dy = 1;
direction = MapUtils.CardinalFourDirections.SOUTH;
}
else if (((north + south) <= choice) && (choice < (north + south + east)))
{
dx = 1;
dy = 0;
direction = MapUtils.CardinalFourDirections.EAST;
}
else
{
dx = -1;
dy = 0;
direction = MapUtils.CardinalFourDirections.WEST;
}
//==== Walk ====
if (((0 < _drunkardX + dx) && (_drunkardX + dx < width - 1)) && ((0 < _drunkardY + dy) && (_drunkardY + dy < height - 1)))
{
_drunkardX += dx;
_drunkardY += dy;
if (_map.GetTile(_drunkardX, _drunkardY).type.Equals(Tile.Type.Block))
{
_map.SetTile(_drunkardX, _drunkardY, new Tile(Tile.Type.Empty));
_filled += 1.0f;
}
_previousDirection = direction;
}
}
