public static Vector ChooseDirection(Player player, Ball ball)
{
var k1 = Line.K0(ball.Position, Field.MyGoal.Top);
var k2 = Line.K0(ball.Position, Field.MyGoal.Bottom);
var kball = ball.Velocity.Y / ball.Velocity.X;
var lineball = Line.One(ball.Position, ball.Position + ball.Velocity);
if ( ball.Owner == null
&& lineball.K >= Math.Min(k1, k2)
&& lineball.K <= Math.Max(k1, k2))
{
var nball = Line.Normal(lineball, player.Position);
var intpos = Line.Cross(lineball, nball);
if (Field.Borders.Contains(intpos)) return intpos;
return Line.Cross(lineball, Line.One(Field.MyGoal.Top, Field.MyGoal.Bottom));
}
var line = Line.One(ball.Position, Field.MyGoal.Center);
var n1 = Line.Normal(line, Field.MyGoal.Top);
var n2 = Line.Normal(line, Field.MyGoal.Bottom);
var a = Line.Cross(line, n1);
var b = Line.Cross(line, n2);
if (ball.GetDistanceTo(a) <= ball.GetDistanceTo(b))
return a;
return b;
}
public void Action(Team myTeam, Team enemyTeam, Ball ball, MatchInfo matchInfo)
{
foreach (Player player in myTeam.Players)
{
Player closestEnemy = player.GetClosest(enemyTeam);
switch (player.PlayerType)
{
case PlayerType.Keeper:
if (ball.Owner == player)
{
var partner = player.GetClosestUncovered(myTeam, enemyTeam);
if (partner != null)
{
var power = player.GetDistanceTo(partner) / 10;
player.ActionShoot(partner, power);
continue;
}
else
{
// todo: shoot just to enemy side
player.ActionShootGoal();
continue;
}
}
if (player.GetDistanceTo(ball) < 50
&& player.CanPickUpBall(ball))
{
player.ActionPickUpBall();
continue;
}
if (ball.GetClosest(myTeam) == player
&& ball.GetClosest(enemyTeam).GetDistanceTo(ball) < player.GetDistanceTo(ball)
&& ball.GetDistanceTo(Field.MyGoal.Center) < 400)
{
player.ActionGo(ball.Position);
continue;
}
var direction = GoalKeeper.ChooseDirection(player, ball);
player.ActionGo(direction);
continue;
default:
if (ball.Owner == player)
if (player.GetDistanceTo(Field.EnemyGoal.Center) > 400)
{
var inters = player.GetClosestInterceptors(enemyTeam, 400);
if (!inters.Any())
{
player.ActionGo(Field.EnemyGoal.Center);
continue;
}
else if (inters.Count() >= 3)
{
var partner = player.GetClosestUncovered(myTeam, enemyTeam);
if (partner != null) player.ActionShoot(partner, 100);
}
var goalDirect = (Field.EnemyGoal.Center - player.Position).GetDirection();
var direct = (from i in inters
select (i.Velocity) + (player.Position - i.Position).GetDirection() * (1 - i.GetDistanceTo(player) / 500))
.Aggregate(Vector.Zero, (acc, v) => acc + v).GetDirection() + goalDirect;
var dest = player.Position + direct;
//if (direct.X < -50 && partner != null)
//{
// player.ActionShoot(partner, 100);
// continue;
//}
//else
// if (dest.Y < Field.Borders.Top.Y + 200
// || dest.Y > Field.Borders.Bottom.Y - 200)
//{
// player.ActionGo(dest + goalDirect * 2);
// continue;
//}
//else
// if (dest.X > Field.Borders.Right.X - 100)
//{
// player.ActionGo(Field.Borders.Center);
// continue;
//}
//else
//if (Field.Borders.Contains(dest))
//{
player.ActionGo(dest);
continue;
//}
//else
//{
// player.ActionGo(Field.EnemyGoal.Center);
// continue;
//}
}
else
{
//var goalkepers = from ep in enemyTeam.InFrontOf(player)
// ;
player.ActionShootGoal();
}
break;
}
if (ball.Owner == player) //Allways shoots for the enemy goal.
{ }
else if (player.CanPickUpBall(ball)) //Picks up the ball if posible.
player.ActionPickUpBall();
else if (player.CanTackle(closestEnemy)
&& ball.Owner == closestEnemy) //Tackles any enemy that is close.
player.ActionTackle(closestEnemy);
else if (player == ball.GetClosest(myTeam)) //If the player is closest to the ball, go for it.
{
var balldirect = ball.Velocity.GetDirection();
var ndirect = new Vector(-balldirect.Y, balldirect.X);
var direct = (ball.Position - player.Position).GetDirection() * 10;
if (direct.Length < 50)
player.ActionGo(ball);
else
player.ActionGo(direct + ndirect);
}
else if (player.CanTackle(closestEnemy)) //Tackles any enemy that is close.
player.ActionTackle(closestEnemy);
else //If the player cannot do anything urgently usefull, move to a good position.
{
if (player.PlayerType == PlayerType.Keeper) //The keeper protects the goal.
{ }
//The keeper positions himself 50 units out from the goal //at the same height as the ball, although never leaving the goal
else if (player.PlayerType == PlayerType.LeftDefender)
player.ActionGo(new Vector(Field.Borders.Width * 0.2, ball.Position.Y));
//The left defender helps protect the goal
else if (player.PlayerType == PlayerType.RightDefender)
player.ActionGo(Field.MyGoal.GetClosest(enemyTeam));
//The right defender chases the enemy closest to myGoal
else if (player.PlayerType == PlayerType.RightForward)
player.ActionGo((Field.Borders.Center + Field.Borders.Bottom + ball.Position) / 3);
//Right forward stays in position on the midline, untill the ball comes close.
else if (player.PlayerType == PlayerType.LeftForward)
player.ActionGo((Field.Borders.Center + Field.Borders.Top + ball.Position) / 3);
//Left forward stays in position on the midline, untill the ball comes close.
else if (player.PlayerType == PlayerType.CenterForward)
player.ActionGo((Field.Borders.Center + Field.EnemyGoal.Center + ball.Position) / 3);
//Center forward stays in position on the enemy side of the field.
}
}
}
