public void DiscoverTiles(Location from, Location to)
{
//Debug.Log("from: " + from.ToString() + ", to: " + to.ToString());
int heuristic = 0;
int viewDistance = AreaManager.Instance.playerViewDistance;
var handledTiles = new HashSet <Location>();
// Can improve animation here. Use for loop to control delay time.
int weight = Nav.GetTileWeight(to);
Nav.SetTileWeight(to, 1);
foreach (var step in Nav.GetPath(from, to))
{
for (int x = -viewDistance; x < viewDistance + 1; x++)
{
for (int y = -viewDistance; y < viewDistance + 1; y++)
{
Location tmp = new Location(step.x + x, step.y + y);
if (handledTiles.Contains(tmp))
{
continue;
}
heuristic = Mathf.Abs(x) + Mathf.Abs(y);
if (heuristic <= viewDistance)
{
if (TileDic.ContainsKey(tmp))
{
AddExploredTile(tmp);
TileDic[tmp].SetVisiable();
handledTiles.Add(tmp);
}
}
}
}
}
Nav.SetTileWeight(to, weight);
}