/* The keeper will move to a new position depending on the ball's position and direction. */
public override PlayerAction ActionWithoutBall(Player player, GameAction gameAction)
{
Pathfinding pathfinding = new Pathfinding();
Point ballTarget = GameAI.BallNextRoundLocation();
bool onOwnSide = GameAI.IsPointOnOwnSide(GameAI.PlayersTeam(player), ballTarget);
if (onOwnSide)
{
if (GameAI.GameBall.IsInShootState)
{
Point ballTargetGridLocation = pathfinding.GetGridLocation(GameAI.GameBall.ExactTargetLocation);
Goal ownGoal = GameAI.PlayersTeam(player).TeamGoal;
Point? pointBeforeGoalEntry = GameAI.PointBeforeRectangleEntry(ownGoal.GoalRectangle);
//true if the ball will go through the goal
if (pointBeforeGoalEntry.HasValue)
{
return GoalKeeperShootDefense(player, pointBeforeGoalEntry.Value);
}
}
else
{
return GoalKeeperPassDefense(player, ballTarget);
}
}
return null;
}
/// <summary>
/// Checks whether the game ball in his current state (with his target point) will go through the target rectangle.
/// Returns the last grid location where the ball will be before it goes into the rectangle.
/// </summary>
/// <param name="targetRectangle"></param>
/// <returns></returns>
public Point? PointBeforeRectangleEntry(Rectangle targetRectangle)
{
if (GameBall.TargetPoint.HasValue || GameBall.IsInShootState)
{
Pathfinding pathfinding = new Pathfinding();
if (targetRectangle.Contains(GameBall.ExactTargetLocation))
{
return pathfinding.GetGridLocation(GameBall.ExactTargetLocation);
}
else
{
Point temporaryExactLocation = GameBall.ExactLocation;
Point lastGridLocation = pathfinding.GetGridLocation(temporaryExactLocation);
while (pathfinding.GetGridLocation(temporaryExactLocation) != pathfinding.GetGridLocation(GameBall.ExactTargetLocation))
{
lastGridLocation = pathfinding.GetGridLocation(temporaryExactLocation);
double[] direction = pathfinding.GetExactDirection(temporaryExactLocation, GameBall.ExactTargetLocation);
temporaryExactLocation.X += (int)(direction[0] * 5);
temporaryExactLocation.Y += (int)(direction[1] * 5);
if (targetRectangle.Contains(pathfinding.GetGridLocation(temporaryExactLocation)))
{
return lastGridLocation;
}
}
}
}
return null;
}
/* Returns a player if he will stand in the way of the ball
* Returns null if no player stands in the way. */
public Player PlayerInBallWay(Point shotPoint, Point targetPoint)
{
Pathfinding pathfinding = new Pathfinding();
Point tmpBallExactLocation = pathfinding.GetExactLocation(shotPoint);
Point tmpBallGridLocation = pathfinding.GetGridLocation(tmpBallExactLocation);
for(int i = 0; i < 3; i++)
{
if (!tmpBallGridLocation.Equals(shotPoint))
{
Player playerOnPosition = pathfinding.StandsPlayerOnPosition(tmpBallGridLocation, 1);
if (playerOnPosition != null)
{
return playerOnPosition;
}
}
double[] direction = pathfinding.GetExactDirection(tmpBallExactLocation, pathfinding.GetExactLocation(targetPoint));
tmpBallExactLocation.X += (int)(direction[0] * 20);
tmpBallExactLocation.Y += (int)(direction[1] * 20);
tmpBallGridLocation = pathfinding.GetGridLocation(tmpBallExactLocation);
}
return null;
}
/*Returns the location where the ball will be in the next round */
public Point BallNextRoundLocation()
{
Point ballTarget;
if (GameBall.HasPlayerContact && GameBall.LastPlayer != null)
{
Pathfinding pathfinding = new Pathfinding();
ActionType type;
//sets the balltarget to the point where the player who controls the ball at the moment will go to in the next round. */
ballTarget = pathfinding.PlayerAtSpecificRound(GameBall.LastPlayer, 1, out type);
}
else if (GameBall.TargetPoint.HasValue)
{
Pathfinding pathfinding = new Pathfinding();
Point tmpBallExactLocation = GameBall.ExactLocation;
Point tmpBallGridLocation = pathfinding.GetGridLocation(tmpBallExactLocation);
double[] direction = pathfinding.GetExactDirection(tmpBallExactLocation, pathfinding.GetExactLocation(GameBall.TargetPoint.Value));
for (int i = 0; i < GameBall.Speed; i++)
{
tmpBallExactLocation.X += (int)(direction[0] * 20);
tmpBallExactLocation.Y += (int)(direction[1] * 20);
}
ballTarget = pathfinding.GetGridLocation(tmpBallExactLocation);
}
else
{
ballTarget = GameBall.Location;
}
return ballTarget;
}