public List <Move> GetCalculatedNextMoves(CellState[,] board, Team team, List <List <Move> > beats, List <List <Move> > moves, CancellationToken token)
{
var firstPredictions = new List <PredictionNode>();
try
{
var predictions = new List <PredictionNode>();
foreach (var beat in beats)
{
if (beat.Count > 0)
{
var updatedBoard = board.UpdateFromMoves(beat);
if (updatedBoard.CountEnemies(team) == 0)
{
return(beat);
}
var ranking = _getMoveWeight.CalculateMoveWeight(beat, board, updatedBoard, team, true);
var node = new PredictionNode
{
InitialMoves = beat,
NextTeam = team.GetNextTeam(),
NextBoard = updatedBoard,
Depth = 0,
AccumulatedWeight = ranking.weight,
StatsForPlayer = ranking.stats
};
firstPredictions.Add(node);
predictions.AddRange(_predictionBuilder.GetDepthwisePrediction(node, team, 3, token));
}
}
foreach (var move in moves)
{
if (token.IsCancellationRequested)
{
throw new TaskCanceledException();
}
var updatedBoard = board.UpdateFromMoves(move);
var ranking = _getMoveWeight.CalculateMoveWeight(move, board, updatedBoard, team);
var node = new PredictionNode
{
InitialMoves = move,
NextTeam = team.GetNextTeam(),
NextBoard = updatedBoard,
Depth = 0,
AccumulatedWeight = ranking.weight,
StatsForPlayer = ranking.stats
};
firstPredictions.Add(node);
predictions.AddRange(_predictionBuilder.GetDepthwisePrediction(node, team, 3, token));
}
return(GetBestForRandom(predictions));
}
catch (TaskCanceledException)
{
Console.WriteLine("Task cancelled");
}
return(GetBestForRandom(firstPredictions));
}
public List <PredictionNode> GetDepthwisePrediction(PredictionNode node, Team teamPlaying, int predictionDepth, CancellationToken token)
{
if (token.IsCancellationRequested)
{
throw new TaskCanceledException();
}
var teamNext = node.NextTeam;
var boardNext = node.NextBoard;
var toKill = boardNext.CountEnemies(teamNext);
var depth = node.Depth + 1;
var beats = _beatsCalc.GetPossibleBeats(boardNext, teamNext);
var nextPossibilities = new List <PredictionNode>();
foreach (var beat in beats)
{
if (token.IsCancellationRequested)
{
throw new TaskCanceledException();
}
if (beat.Count > 0)
{
var updatedBoard = boardNext.UpdateFromMoves(beat);
var rank = _getMoveWeight.CalculateMoveWeight(beat, boardNext, updatedBoard, teamNext, true);
if (rank.stats > -2)
{
var nodeNext = new PredictionNode
{
InitialMoves = node.InitialMoves,
NextTeam = teamNext.GetNextTeam(),
NextBoard = updatedBoard,
Depth = depth,
AccumulatedWeight = node.AccumulatedWeight + (teamNext == teamPlaying ? +rank.weight : -rank.weight),
StatsForPlayer = teamNext == teamPlaying ? +rank.weight : -rank.weight
};
if (depth == predictionDepth || toKill == 0)
{
nextPossibilities.Add(nodeNext);
}
if (depth < predictionDepth && toKill > 0)
{
nextPossibilities.AddRange(GetDepthwisePrediction(nodeNext, teamPlaying, predictionDepth,
token));
}
}
}
}
var moves = _movesCalc.GetPossibleMoves(boardNext, teamNext);
foreach (var move in moves)
{
if (token.IsCancellationRequested)
{
throw new TaskCanceledException();
}
var updatedBoard = boardNext.UpdateFromMoves(move);
var rank = _getMoveWeight.CalculateMoveWeight(move, boardNext, updatedBoard, teamNext);
var nodeNext = new PredictionNode
{
InitialMoves = node.InitialMoves,
NextTeam = teamNext.GetNextTeam(),
NextBoard = updatedBoard,
Depth = depth,
AccumulatedWeight = node.AccumulatedWeight + (teamNext == teamPlaying ? +rank.weight : -rank.weight),
StatsForPlayer = teamNext == teamPlaying ? +rank.weight : -rank.weight
};
if (depth == predictionDepth)
{
nextPossibilities.Add(nodeNext);
}
if (depth < predictionDepth)
{
nextPossibilities.AddRange(GetDepthwisePrediction(nodeNext, teamPlaying, predictionDepth, token));
}
}
return(nextPossibilities);
}