private Dictionary <Vector3Int, Direction> FindFreeSpacesAroundRoad(List <Vector3Int> roadPositions)
{
Dictionary <Vector3Int, Direction> freeSpaces = new Dictionary <Vector3Int, Direction>();
foreach (var position in roadPositions)
{
var neighbourDirections = PlacementHelper.FindNeighbour(position, roadPositions);
foreach (Direction direction in Enum.GetValues(typeof(Direction)))
{
if (neighbourDirections.Contains(direction) == false)
{
var newPosition = position + PlacementHelper.GetOffsetFromDirection(direction);
if (freeSpaces.ContainsKey(newPosition))
{
continue;
}
freeSpaces.Add(newPosition, PlacementHelper.GetReverseDirection(direction));
}
}
}
return(freeSpaces);
}
public void FixRoad()
{
foreach (var position in fixRoadCandidates)
{
List <Direction> neighbourDirections = PlacementHelper.FindNeighbour(position, roadDictionary.Keys);
Quaternion rotation = Quaternion.identity;
if (neighbourDirections.Count == 1)
{
Destroy(roadDictionary[position]);
if (neighbourDirections.Contains(Direction.Down))
{
rotation = Quaternion.Euler(0, 90, 0);
}
else if (neighbourDirections.Contains(Direction.Left))
{
rotation = Quaternion.Euler(0, 180, 0);
}
else if (neighbourDirections.Contains(Direction.Up))
{
rotation = Quaternion.Euler(0, -90, 0);
}
roadDictionary[position] = Instantiate(roadEnd, position, rotation, transform);
}
else if (neighbourDirections.Count == 2)
{
if (
neighbourDirections.Contains(Direction.Up) && neighbourDirections.Contains(Direction.Down) ||
neighbourDirections.Contains(Direction.Right) && neighbourDirections.Contains(Direction.Left)
)
{
continue;
}
Destroy(roadDictionary[position]);
if (neighbourDirections.Contains(Direction.Up) && neighbourDirections.Contains(Direction.Right))
{
rotation = Quaternion.Euler(0, 90, 0);
}
else if (neighbourDirections.Contains(Direction.Right) && neighbourDirections.Contains(Direction.Down))
{
rotation = Quaternion.Euler(0, 180, 0);
}
else if (neighbourDirections.Contains(Direction.Down) && neighbourDirections.Contains(Direction.Left))
{
rotation = Quaternion.Euler(0, -90, 0);
}
roadDictionary[position] = Instantiate(roadCorner, position, rotation, transform);
}
else if (neighbourDirections.Count == 3)
{
Destroy(roadDictionary[position]);
if (neighbourDirections.Contains(Direction.Right) &&
neighbourDirections.Contains(Direction.Down) &&
neighbourDirections.Contains(Direction.Left)
)
{
rotation = Quaternion.Euler(0, 90, 0);
}
else if (neighbourDirections.Contains(Direction.Down) &&
neighbourDirections.Contains(Direction.Left) &&
neighbourDirections.Contains(Direction.Up))
{
rotation = Quaternion.Euler(0, 180, 0);
}
else if (neighbourDirections.Contains(Direction.Left) &&
neighbourDirections.Contains(Direction.Up) &&
neighbourDirections.Contains(Direction.Right))
{
rotation = Quaternion.Euler(0, -90, 0);
}
roadDictionary[position] = Instantiate(road3way, position, rotation, transform);
}
else
{
Destroy(roadDictionary[position]);
roadDictionary[position] = Instantiate(road4way, position, rotation, transform);
}
}
}