//This is hard to make self documenting because of the ordering.
//If a hex is not a part of the map, it should be destroyed.
//However, you can't remove the hexagon from the HexDict while
//iterating through the HexDict, it breaks the foreach loop
//So there's an extra list to add the key to, in order to afterwards
//remove that key from the hex dict
/// <summary>
/// Go through every hex in the HexDict and delete if it not part of the map
/// </summary>
private void _DeleteUnusedHexagons()
{
List <Vector3Int> destroyedHexes = new List <Vector3Int>();
foreach (KeyValuePair <Vector3Int, IHexagon> hex in HexDict)
{
if (_ShouldDeleteThisHex(hex.Value))
{
_DeleteHex(hex.Value);
destroyedHexes.Add(hex.Key);
}
}
foreach (Vector3Int coords in destroyedHexes)
{
HexDict.Remove(coords);
}
}
