/// <summary>
/// Reads a solution tree from a text file.
/// </summary>
/// TODO: has side effects, should be reprogrammed -- Seu
/// <returns></returns>
private CCTrie LoadTree()
{
var file = Resources.Load <TextAsset>(dataFile);
if (file == null)
{
return(null);
}
var tree = new CCTrie(solved);
int numBeforeHardest = puzzleMoves == 1 ? 0 : puzzlesPerLevel.Take(puzzleMoves - 1).Aggregate((ppl, sum) => ppl + sum);
var initialStates = new List <PuzzleState>();
int read = 0;
int first = Sided ? 1 : 0;
int numPieces = solved.Count;
string[] leaves = file.text.Split('\n');
foreach (var leaf in leaves)
{
string str = leaf.Trim();
if (str.Length == 0)
{
continue;
}
PuzzleState cc = PuzzleState.FromCompactString(str.Substring(first, numPieces), solved.numColors, Sided);
Move move = Move.FromChar(str[first + numPieces]);
tree.Add(cc, move);
if (read >= numBeforeHardest && read < numBeforeHardest + puzzlesPerLevel[puzzleMoves - 1])
{
initialStates.Add(cc);
}
read++;
}
if (initialStates.Count == 0)
{
Debug.LogErrorFormat("No initial states from Tree on level {0}", this.Ref);
}
InitialConfigs = initialStates.ToArray();
return(tree);
}
public void Init(bool forceLoadTree = false)
{
if (initialized)
{
return;
}
if (!Application.isMobilePlatform || forceLoadTree || this.forceLoadTree)
{
tree = LoadTree();
}
if (tree == null && !tutorialLevel)
{
var configs = ReadConfigs(this);
if (configs == null) // cannot initialize
{
return;
}
InitialConfigs = configs.ToArray();
}
initialized = true;
}