private void GenerateWaterfall(Vector3Int coord)
{
var nextPoint = coord;
var waterTracker = new WaterTracker(water.config, this);
waterTracker.Start(coord);
var count = 0;
while (true)
{
var point = ProcessNextWater(nextPoint, waterTracker);
if (point == null)
{
break;
}
if (nextPoint == point.Value)
{
break;
}
nextPoint = point.Value;
count++;
if (count > 128)
{
break;
}
}
if (waterTracker.ReachedWater)
{
waterTracker.Apply(groundChunks);
}
}
private Vector3Int?ProcessNextWater(Vector3Int coord, WaterTracker waterTracker)
{
if (coord.y <= water.config.waterLevel)
{
waterTracker.ReachedWater = true;
return(null);
}
var down = new Vector3Int(coord.x, coord.y - 1, coord.z);
if (groundChunks.Get(down) < 0)
{
waterTracker.FreeFall(down);
return(down);
}
Vector3Int[] coords =
{
new Vector3Int(coord.x, coord.y, coord.z - 1),
new Vector3Int(coord.x - 1, coord.y, coord.z),
new Vector3Int(coord.x + 1, coord.y, coord.z),
new Vector3Int(coord.x, coord.y, coord.z + 1),
new Vector3Int(coord.x - 1, coord.y, coord.z - 1),
new Vector3Int(coord.x + 1, coord.y, coord.z - 1),
new Vector3Int(coord.x - 1, coord.y, coord.z + 1),
new Vector3Int(coord.x + 1, coord.y, coord.z + 1),
};
var coordsBelow = new List <Vector3Int>();
for (var i = 0; i < coords.Length; i++)
{
var c = coords[i];
var v = groundChunks.Get(c);
if (v > 0)
{
continue;
}
var coordBelow = new Vector3Int(c.x, c.y - 1, c.z);
var v2 = groundChunks.Get(coordBelow);
if (v2 > 0)
{
coordsBelow.Add(coordBelow);
}
else
{
// From the sides
if (i < 4)
{
waterTracker.Flow(coord, down);
return(down);
}
}
}
var listToUse = coordsBelow.Count > 0 ? coordsBelow.ToArray() : coords;
var minValue = Mathf.Infinity;
Vector3Int?minCoord = null;
foreach (var t in listToUse)
{
var value = groundChunks.Get(t);
if (value < 0)
{
continue;
}
if (GetWaterfall(t) > 0)
{
continue;
}
if (value >= minValue)
{
continue;
}
minValue = value;
minCoord = t;
}
if (minCoord.HasValue)
{
waterTracker.Flow(coord, minCoord.Value);
}
return(minCoord);
}
