private Coordinate CalculateNextRiverSegment(Coordinate coord)
{
if (IsValidTile(coord))
{
var sourceDir = FindTile(coord).RiverConnections.First();
var possibleDirs = HexGridHelper.GetOpposite3(sourceDir);
var candidates = HexGridHelper.FindNeighbours(coord, possibleDirs);
//.Where(x => FindTile(x).Height == HeightOfRivers);
if (candidates.Any())
{
var segment = candidates.PickOne();
var tries = 10;
while (!IsPossibleExtension(segment) && candidates.Any() && tries > 0)
{
candidates = candidates.Where(x => !x.Equals(segment));
segment = candidates.PickOne();
tries--;
}
if (tries > 0 && candidates.Any() && FindTile(segment) != null && FindTile(segment).Feature == TileFeature.None)
{
var dir = HexGridHelper.FindDirectionToNeighbour(coord, segment);
FindTile(coord).RiverConnections.Add(dir);
return(segment);
}
}
}
return(invalid);
}
public void ShowFragments()
{
roadFragments = this.GetComponent <EdgeManager>();
roadFragments.HideAll();
foreach (var n in Neighbours)
{
roadFragments.GetEdge(HexGridHelper.FindDirectionToNeighbour(this.TileRef.Coord, n.TileRef.Coord))
.SetActive(true);
}
}
private Compass GetRiverOrigin(Coordinate coord)
{
if (IsValidTile(coord))
{
var adj = HexGridHelper.FindAllNeighbours(coord).Where(x => FindTile(x) != null && FindTile(x).Height < HeightOfRivers);
if (adj.Any())
{
return(HexGridHelper.FindDirectionToNeighbour(coord, adj.First()));
}
adj = HexGridHelper.FindAllNeighbours(coord).Where(x => FindTile(x) != null && FindTile(x).Feature == TileFeature.River);
return(HexGridHelper.FindDirectionToNeighbour(coord, adj.First()));
}
return(Compass.East);
}