/// <summary>
/// Manually add (and activate) the passed Tile to the TilePool. This does not modify
/// <see cref="t"/>. To automatically create a Tile according to
/// <see cref="TerraConfig"/> call <see cref="CreateTileAt"/> instead.
/// </summary>
/// <param name="t">Tile to add</param>
public void AddTile(Tile t)
{
if (t != null)
{
Cache.AddActiveTile(t);
}
else
{
Debug.LogWarning("Trying to add Tile that is null.");
}
}
/// <summary>
/// Updates tiles that are surrounding the tracked GameObject
/// asynchronously
/// </summary>
public IEnumerator UpdateTiles()
{
List <Vector2> nearbyPositions = GetTilePositionsFromRadius();
List <Vector2> newPositions = Cache.GetNewTilePositions(nearbyPositions);
//Remove old positions
for (int i = 0; i < Cache.ActiveTiles.Count; i++)
{
bool found = false;
foreach (Vector2 nearby in nearbyPositions)
{
if (Cache.ActiveTiles[i].Position == nearby) //Position found, ignore
{
found = true;
break;
}
}
if (!found)
{
Cache.CacheTile(Cache.ActiveTiles[i]);
Cache.ActiveTiles.RemoveAt(i);
i--;
}
}
//Add new positions
foreach (Vector2 pos in newPositions)
{
TerrainTile cached = Cache.GetCachedTileAtPosition(pos);
//Attempt to pull from cache, generate if not available
if (cached != null)
{
Cache.AddActiveTile(cached);
}
else
{
yield return(AddTileAsync(pos));
}
}
}