private void CreateRivers(MapSettingsData data)
{
System.Random prng = new System.Random(data.noiseSetting.seed);
var terrainOnlyHexes = Hexes.ToList().Where(h => h.Elevation > 0);
for (int i = 0; i < data.riverCount; i++)
{
int riverLength = prng.Next((int)data.riverLengthMinMax[0], (int)data.riverLengthMinMax[1]);
// Start the river
HexObject currentHex = terrainOnlyHexes.ToArray()[prng.Next(0, terrainOnlyHexes.Count())];
// Get neighbour to connect to
HexObject nextLowestNeighbour = Instance.FindHexObject(Hex.Neighbours(currentHex.Hex).OrderBy(n => Instance.FindHexObject(n.cubeCoords).Elevation).FirstOrDefault().cubeCoords);
for (int l = 0; l < riverLength; l++)
{
if (currentHex.Elevation == 0)
{
break;
}
if (currentHex == nextLowestNeighbour)
{
continue;
}
currentHex.SetOutgoingRiver(Hex.Direction(currentHex.Hex, nextLowestNeighbour.Hex));
if (nextLowestNeighbour == null)
{
break;
}
currentHex = nextLowestNeighbour;
if (currentHex == null)
{
break;
}
try
{
var neighbours = Hex.Neighbours(currentHex.Hex);
var hexObjectToFind = neighbours.OrderBy(n => Instance.FindHexObject(n.cubeCoords).Elevation).FirstOrDefault();
nextLowestNeighbour = Instance.FindHexObject(hexObjectToFind.cubeCoords);
}
catch
{
continue;
}
}
}
}
