public Direction SuggestNextDirection(BotGame game)
{
_game = game;
var currentLocation = _graph.GetNodeForLocation(_game.PacMan.Location);
var shortestDistances = DistancesCalculator.CalculateDistances(_game, _graph, currentLocation);
var nearestCoin = FindNearestCoin(_game.Coins, shortestDistances);
Direction bestDirectionToNearestCoin;
if (nearestCoin == CellLocation.TopLeft)
{
// No more coins are available, game is meant to be finished. Pick any direction
// and hope to stay away from the ghosts
bestDirectionToNearestCoin = currentLocation.AvailableMoves.First().Direction;
}
else
{
bestDirectionToNearestCoin = shortestDistances.DirectionToTarget(nearestCoin);
}
var nearestGhost = FindNearestGhost(_game.Ghosts, shortestDistances);
bestDirectionToNearestCoin = AvoidGhost(currentLocation, shortestDistances, bestDirectionToNearestCoin, nearestGhost);
return(bestDirectionToNearestCoin);
}
void Mark(IEnumerable <Vector2> points, Cell.States state)
{
foreach (var point in points.Where(IsInBounds))
{
cells[point.X, point.Y].State = state;
}
DistancesCalculator.Update(AllCoords, this);
}
void Mark(Vector2 point, Cell.States state)
{
cells[point.X, point.Y].State = state;
var subjectPoints = Enumerable.Range(0, Width)
.Select(x => new Vector2(x, point.Y))
.Union(Enumerable.Range(0, Height)
.Select(y => new Vector2(point.X, y)));
DistancesCalculator.Update(subjectPoints, this);
}
void InitCells(int width, int height)
{
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
cells[x, y] = InitCell(new Vector2(x, y));
}
}
DistancesCalculator.Update(AllCoords, this);
}