public static TranspositionTable ReadTranspositionTableXml(XmlReader xmlReader, long sizeInBytes = DefaultSizeInBytes)
{
if (null == xmlReader)
{
throw new ArgumentNullException(nameof(xmlReader));
}
TranspositionTable tt = new TranspositionTable(sizeInBytes);
while (xmlReader.Read())
{
if (xmlReader.IsStartElement() && xmlReader.Name == "Entry")
{
ulong key = ulong.Parse(xmlReader.GetAttribute("Key"));
string moveString = xmlReader.GetAttribute("BestMove");
TranspositionTableEntry entry = new TranspositionTableEntry()
{
Type = (TranspositionTableEntryType)Enum.Parse(typeof(TranspositionTableEntryType), xmlReader.GetAttribute("Type")),
Value = double.Parse(xmlReader.GetAttribute("Value")),
Depth = int.Parse(xmlReader.GetAttribute("Depth")),
BestMove = !string.IsNullOrWhiteSpace(moveString) ? new Move(moveString) : null,
};
tt.Store(key, entry);
}
}
return(tt);
}
public GameAI()
{
StartMetricWeights = new MetricWeights();
EndMetricWeights = new MetricWeights();
TranspositionTable = new TranspositionTable();
}
public GameAI(GameAIConfig config)
{
if (null == config)
{
throw new ArgumentNullException("config");
}
StartMetricWeights = config.StartMetricWeights?.Clone() ?? new MetricWeights();
EndMetricWeights = config.EndMetricWeights?.Clone() ?? new MetricWeights();
if (config.TranspositionTableSizeMB.HasValue)
{
if (config.TranspositionTableSizeMB.Value <= 0)
{
throw new ArgumentOutOfRangeException("config.TranspositionTableSizeMB");
}
_transpositionTable = new TranspositionTable(config.TranspositionTableSizeMB.Value * 1024 * 1024);
}
else
{
_transpositionTable = new TranspositionTable();
}
if (config.MaxBranchingFactor.HasValue)
{
if (config.MaxBranchingFactor.Value <= 0)
{
throw new ArgumentOutOfRangeException("config.MaxBranchingFactor");
}
_maxBranchingFactor = config.MaxBranchingFactor.Value;
}
}