/// <summary>
/// Uses A* algorithm to find a path from disconnected clusters to main cluster and
/// convert nodes on that path to floors.
/// </summary>
public void ConnectClusters()
{
int mainClusterIndex = CalculateMainCluster();
NodeCluster mainCluster = Clusters [mainClusterIndex];
for (int clusterIndex = 0; clusterIndex < Clusters.Count; clusterIndex++)
{
if (clusterIndex != mainClusterIndex)
{
NodeCluster origCluster = Clusters [clusterIndex];
Node origCell = origCluster.Nodes [(int)((origCluster.Nodes.Count - 1) * Random.value)];
Node destCell = mainCluster.Nodes [(int)((mainCluster.Nodes.Count - 1) * Random.value)];
List <Node> path = pathManager.GetShortestPath(origCell, destCell, 1f, true);
if (path == null || path.Count == 0)
{
if (Utilities.instance.IsDebug)
{
Debug.Log(SCRIPT_NAME + ": no path found");
}
}
else
{
ConstructPath(path, NodeType.Background);
}
}
}
}
/// <summary>
/// Iterats through each cluster and returns the index of the cluster with the largest size.
/// </summary>
/// <returns>The main cluster index.</returns>
public int CalculateMainCluster()
{
int mainClusterIndex = -1;
int maxClusterSize = 0;
for (int i = 0; i < Clusters.Count; i++)
{
NodeCluster cluster = Clusters [i];
int cellCount = cluster.Nodes.Count;
if (cellCount > maxClusterSize)
{
maxClusterSize = cellCount;
mainClusterIndex = i;
}
}
return(mainClusterIndex);
}