public static Point GetClosestEnemyPosition(BattleNetClient client, out List <Movement> movements, int maxTurnsToCalculate)
{
var enemyPosition = PointUtility.CreateNegativePoint();
movements = new List <Movement>();
List <List <Point> > checkedPoints = new List <List <Point> >(new [] { new List <Point>(new [] { client.GetPlayerTank() }) });
List <List <Movement> > movementsInProcess = new List <List <Movement> >(new [] { new List <Movement>(new [] { Movement.Stop }) });
List <Point> currentRangePoints = new List <Point>(new[] { client.GetPlayerTank() });
for (int count = 0; count < maxTurnsToCalculate && enemyPosition.IsNegativePoint(); count++)
{
enemyPosition = GetClosestEnemyPosition(client,
checkedPoints, movementsInProcess,
currentRangePoints,
out movements);
}
if (movements.Any())
{
movements.RemoveAt(0);
return(enemyPosition);
}
else
{
return(PointUtility.CreateNegativePoint());
}
}
private static Point GetClosestEnemyPosition(BattleNetClient client, List <List <Point> > checkedPoints,
List <List <Movement> > movements, List <Point> currentRangePoints, out List <Movement> road)
{
if (client.IsAnyOfEnemyAt(currentRangePoints))
{
for (int index = 0; index < currentRangePoints.Count; index++)
{
if (client.IsEnemyAt(currentRangePoints[index]))
{
road = new List <Movement>(movements[index]);
return(currentRangePoints[index]);
}
}
}
var iterationMap = MapUtility.IterationMap;
var nextRangePoints = new List <Point>();
var nextMovements = new List <List <Movement> >();
var nextCheckedPoints = new List <List <Point> >();
for (int index = 0; index < movements.Count; index++)
{
foreach (var iteration in iterationMap)
{
var nextPosition = iteration.Value(currentRangePoints[index]);
var movement = iteration.Key.ToMovement();
if (checkedPoints[index].Exists(x => x.X == nextPosition.X && x.Y == nextPosition.Y))
{
continue;
}
if (client.IsOutOf(nextPosition) || client.IsObstacleAt(nextPosition))
{
continue;
}
nextRangePoints.Add(nextPosition);
var move = new List <Movement>(movements[index]);
move.Add(iteration.Key.ToMovement());
nextMovements.Add(move);
var nextChecked = new List <Point>(checkedPoints[index]);
nextChecked.Add(currentRangePoints[index]);
nextCheckedPoints.Add(nextChecked);
}
}
checkedPoints.Clear();
checkedPoints.AddRange(nextCheckedPoints);
movements.Clear();
movements.AddRange(nextMovements);
currentRangePoints.Clear();
currentRangePoints.AddRange(nextRangePoints);
road = new List <Movement>();
return(PointUtility.CreateNegativePoint());
}
private static Point GetClosestPosition(BattleNetClient client, Point position, Func <Point, bool> successCheck,
List <Point> checkedPoints, List <Movement> movements)
{
if (checkedPoints.Exists(x => x.X == position.X && x.Y == position.Y))
{
return(PointUtility.CreateNegativePoint());//skip checking.
}
if (client.IsOutOf(position) || client.IsObstacleAt(position))
{
return(PointUtility.CreateNegativePoint());
}
var iterationMap = MapUtility.IterationMap;
var topPosition = iterationMap[Direction.Up](position);
var bottomPosition = iterationMap[Direction.Down](position);
var leftPosition = iterationMap[Direction.Left](position);
var rightPosition = iterationMap[Direction.Right](position);
checkedPoints.Add(position);
if (successCheck(position))
{
return(position);
}
var topChildMovements = new List <Movement>(movements);
var bottomChildMovements = new List <Movement>(movements);
var rightChildMovements = new List <Movement>(movements);
var leftChildMovements = new List <Movement>(movements);
var topEnemyPosition = GetClosestPosition(client, topPosition, successCheck, new List <Point>(checkedPoints), topChildMovements);
var bottomEnemyPosition = GetClosestPosition(client, bottomPosition, successCheck, new List <Point>(checkedPoints), bottomChildMovements);
var leftEnemyPosition = GetClosestPosition(client, leftPosition, successCheck, new List <Point>(checkedPoints), leftChildMovements);
var rightEnemyPosition = GetClosestPosition(client, rightPosition, successCheck, new List <Point>(checkedPoints), rightChildMovements);
var topMovements = topChildMovements.Count;
var bottomMovements = bottomChildMovements.Count;
var leftMovements = leftChildMovements.Count;
var rightMovements = rightChildMovements.Count;
if (topMovements < bottomMovements &&
topMovements < leftMovements &&
topMovements < rightMovements)
{
movements.Add(Movement.Up);
movements.AddRange(topChildMovements);
return(topEnemyPosition);
}
if (bottomMovements < topMovements &&
bottomMovements < leftMovements &&
bottomMovements < rightMovements)
{
movements.Add(Movement.Down);
movements.AddRange(bottomChildMovements);
return(bottomEnemyPosition);
}
if (leftMovements < topMovements &&
leftMovements < bottomMovements &&
leftMovements < rightMovements)
{
movements.Add(Movement.Left);
movements.AddRange(leftChildMovements);
return(leftEnemyPosition);
}
if (rightMovements < topMovements &&
rightMovements < bottomMovements &&
rightMovements < leftMovements)
{
movements.Add(Movement.Right);
movements.AddRange(rightChildMovements);
return(rightEnemyPosition);
}
return(PointUtility.CreateNegativePoint());
}