/// <summary> Finds all the allowed middle layer paths for the given floors. </summary>
/// <param name="floor1"> The top floor. </param>
/// <param name="floor2"> The bottom floor. </param>
/// <param name="layer"> The layer to hold the paths. </param>
public IEnumerator FindMiddleLayerPathsAsync(Floor floor1, Floor floor2, MiddleLayer layer)
{
foreach (Room r in floor1.Rooms)
{
r.GetComponent <Collider>().enabled = true;
}
foreach (Room r in floor2.Rooms)
{
r.GetComponent <Collider>().enabled = true;
}
List <LayerPath> paths = new List <LayerPath>();
foreach (Room r1 in floor1.Rooms)
{
foreach (Room r2 in floor2.Rooms)
{
LayerPath p = CompareRoom(r1, r2, floor1, floor2, this.layerPathWidth * layer.WidthScale, paths);
if (p != null)
{
paths.Add(p);
}
}
yield return(null);
}
List <LayerPath> finalPaths = new List <LayerPath>();
int i = 0;
while (i < this.pathsToKeep && i < paths.Count)
{
LayerPath path = paths[Random.Range(0, paths.Count - 1)];
bool blocked = false;
foreach (LayerPath p in finalPaths)
{
if (GenerationUtility.CheckLineLineIntersection(
path.Start.Position,
path.End.Position,
p.Start.Position,
p.End.Position))
{
blocked = true;
}
}
if (!blocked)
{
i++;
finalPaths.Add(path);
}
}
layer.Paths = finalPaths;
foreach (Room r in floor1.Rooms)
{
r.GetComponent <Collider>().enabled = false;
}
foreach (Room r in floor2.Rooms)
{
r.GetComponent <Collider>().enabled = false;
}
}