public virtual void Create(Gem.PropertyBag Properties)
{
CurrentAction = null;
NextAction = null;
this.Properties = Properties.Clone();
}
public Move GetBestMove(Gem[,] gems, int movesToLookAhead, List<Position> lockedOutPositions)
{
if (movesToLookAhead < 1)
throw new Exception();
List<Move> possibleMoves = new List<Move>();
//for now simply return the first match (from the top left) we find
for (int row = 0; row < 8; row++)
{
for (int column = 0; column < 8; column++)
{
Position position = new Position(row, column);
if (lockedOutPositions.Contains(position))
continue;
List<Direction> validDirections = new List<Direction>();
if (row > 0)
validDirections.Add(Direction.Up);
if (row < 7)
validDirections.Add(Direction.Down);
if (column > 0)
validDirections.Add(Direction.Left);
if (column < 7)
validDirections.Add(Direction.Right);
foreach (Direction direction in validDirections)
{
int newRow = row;
int newColumn = column;
switch (direction)
{
case Direction.Up:
newRow = row - 1;
break;
case Direction.Down:
newRow = row + 1;
break;
case Direction.Left:
newColumn = column - 1;
break;
case Direction.Right:
newColumn = column + 1;
break;
}
Position newPosition = new Position(newRow, newColumn);
if (lockedOutPositions.Contains(newPosition))
continue;
Gem[,] newArray = (Gem[,])gems.Clone();
SwapSlots(newArray, row, column, newRow, newColumn);
List<Position> involvedGems = MatchedGemsAt(newArray, new Position(newRow, newColumn));
if (involvedGems.Count >= 2)
possibleMoves.Add(new Move(new Position(row, column), new Position(newRow, newColumn), involvedGems) { GuaranteedScore = involvedGems.Count * 100 });
}
}
}
if (possibleMoves.Count == 0)
return new Move(new Position(0, 0), new Position(0, 0)) {ValidMove = false};
Random rand = new Random();
return possibleMoves[rand.Next(possibleMoves.Count)];
}
