public void FixedUpdate()
{
/* First find the position of the ball on the x axis and than compare it
* with the state boundary which is the point where the states meet.
* There is no need to make different states for the y axis since
* the AI should change its behaviour based on how far away/close he is
* from its own and from the opponents goal.
*/
AIBasicBehaviour.Sprint(player, 0);
xPos = ball.transform.position.x;
if (xPos >= boundary)
{
defendState.Run();
}
else if (xPos < boundary && xPos > 0)
{
tackleState.Run();
}
else if (xPos < 0 && xPos > -boundary)
{
attackState.Run();
}
else if (xPos <= -boundary)
{
shootState.Run();
}
}
public static void MoveBackward(GameObject player)
{
// Works the same as above but x and y are flipped
Vector2 dir = AIDirectionBehaviour.GetRotationVector(player);
AIBasicBehaviour.GetController(player).playerController.playerMovement.MovePlayer(-dir.x, -dir.y);
}
public new void RunOnePosition()
{
/* OGoal | AI | Ball | Player | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{
if (AICheckBehaviour.CheckOpponentsHealth(opponent))
{
AIMovementBehaviour.LookAt(player, opponent);
AIBasicBehaviour.UseGun(player);
}
else if (AICheckBehaviour.CheckIfCloseToPickup(GetActivePickups(), player))
{
AIMovementBehaviour.LookAt(player, AICheckBehaviour.GetClosestPickup(GetActivePickups(), GetActiveCount(), player));
AIMovementBehaviour.MoveForward(player);
}
else
{
AIGlobalBehaviour.PositionAndShoot(player, ball, aIController.lineOfSight.GetAvailablePoint());
}
}
else
{
AIGlobalBehaviour.PositionAndShoot(player, ball, aIController.lineOfSight.GetAvailablePoint());
}
}
public new void RunOnePosition()
{
/* OGoal | AI | Ball | Player | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{
AIBasicBehaviour.Sprint(player, 1);
if (AICheckBehaviour.CheckIfCloseToPickup(GetActivePickups(), player))
{
AIMovementBehaviour.LookAt(player, AICheckBehaviour.GetClosestPickup(GetActivePickups(), GetActiveCount(), player));
AIMovementBehaviour.MoveForward(player);
}
else
{
AIMovementBehaviour.LookAt(player, opponent);
AIBasicBehaviour.UseGun(player);
AIMovementBehaviour.MoveTowards(player, ball);
}
}
else
{
AIBasicBehaviour.Sprint(player, 1);
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
}
public new void RunTwoPosition()
{
/* OGoal | Player | Ball | AI | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{
if (AICheckBehaviour.CheckIfCloseToOpponent(player, opponent))
{
AIMovementBehaviour.LookAt(player, opponent);
AIBasicBehaviour.UseSword(player);
AIMovementBehaviour.MoveTowards(player, ball);
}
else if (AICheckBehaviour.CheckOpponentsHealth(opponent))
{
AIMovementBehaviour.LookAt(player, opponent);
AIBasicBehaviour.UseGun(player);
AIMovementBehaviour.MoveTowards(player, ball);
}
else
{
AIMovementBehaviour.LookAt(player, ball);
AIBasicBehaviour.UseGun(player);
AIMovementBehaviour.MoveTowards(player, ball);
}
}
else
{
if (AICheckBehaviour.CheckIfBallApproaching(player, ball))
{
AIBasicBehaviour.UseShield(player);
}
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
}
public new void RunThreePosition()
{
/* OGoal | Player, AI | Ball | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{
AIBasicBehaviour.Sprint(player, 1);
if (AICheckBehaviour.CheckIfCloseToOpponent(player, opponent))
{
AIMovementBehaviour.LookAt(player, opponent);
AIBasicBehaviour.UseSword(player);
AIMovementBehaviour.MoveTowards(player, ball);
}
else if (AICheckBehaviour.CheckOpponentsHealth(opponent))
{
AIMovementBehaviour.LookAt(player, opponent);
AIBasicBehaviour.UseGun(player);
AIMovementBehaviour.MoveTowards(player, ball);
}
else
{
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
}
else
{
AIBasicBehaviour.Sprint(player, 1);
// Move towards the ball as fast as possible.
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
}
public new void RunThreePosition()
{
/* OGoal | Player, AI | Ball | AIGoal
*/
AIBasicBehaviour.Sprint(player, 1);
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
public static void ShootInTheMiddle(GameObject player, GameObject ball, GameObject goal)
{
/* Same as ShootAtGoal method but this time the player kicks the towards the middle of
* the football pitch.
*/
Vector2 goalDirection = AIDirectionBehaviour.FindPositionOf(ball, goal, 0.9f);
AIMovementBehaviour.LookAt(player, ball);
if (AICalculate.CalculateLengthBetween(player, ball.transform.position.x, ball.transform.position.y) < 2) // If player is close to the ball
{
if (AICalculate.CalculateLengthBetween(player, goalDirection.x, goalDirection.y) > 0.3)
{
PositionInFrontOf(player, ball, goal);
}
else
{
AIMovementBehaviour.LookAt(player, player.transform.position.x, player.GetComponent <PlayerController>().globalSettings.stateBoundary);
AIBasicBehaviour.UseSword(player);
}
}
else
{
AIMovementBehaviour.MoveForward(player);
}
}
// Should be used as the default behaviour.
public static void PositionAndShoot(GameObject player, GameObject ball, GameObject goal)
{
/* First a position of the goal is found, then player is rotated to face the ball.
* Next distance from the player to the point from which he would be able to shoot is found.
* Then the player is moved closer to it or uses a sword to shot at the goal. */
AIMovementBehaviour.LookAt(player, ball);
Vector2 goalDirection = AIDirectionBehaviour.FindPositionOf(ball, goal, 0.9f); // The point where player should position itself
if (AICalculate.CalculateLengthBetween(player, ball.transform.position.x, ball.transform.position.y) < 2) // If player is close to the ball
{
if (AICalculate.CalculateLengthBetween(player, goalDirection.x, goalDirection.y) > 0.3)
{
PositionInFrontOf(player, ball, goal);
}
else
{
AIBasicBehaviour.UseSword(player);
}
}
else
{
AIMovementBehaviour.MoveForward(player);
}
}
public new void RunTwoPosition()
{
/* OGoal | Player | Ball | AI | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{
AIBasicBehaviour.Sprint(player, 1);
if (aIController.lineOfSight.CheckIfBallSpotted())
{
AIMovementBehaviour.LookAt(player, ball);
AIBasicBehaviour.UseGun(player);
AIMovementBehaviour.MoveTowards(player, ball);
}
else
{
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
}
else
{
if (AICheckBehaviour.CheckIfBallApproaching(player, ball))
{
AIBasicBehaviour.UseShield(player);
}
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
}
public static void MoveForward(GameObject player)
{
/* This method moves player forward but it does not
* take care of the direction. To make the player run to the ball
* use RunToTheBall method.
*/
Vector2 dir = AIDirectionBehaviour.GetRotationVector(player);
AIBasicBehaviour.GetController(player).playerController.playerMovement.MovePlayer(dir.x, dir.y);
}
public static void LookAt(GameObject player, GameObject o)
{
/* This method makes the player look at the object.
* This is usually used to make the player look at the ball.
* First, the position of the object we want to look at, in regards of the player
* is found and then the player is rotated.
*/
float x = o.transform.position.x - player.transform.position.x;
float y = o.transform.position.y - player.transform.position.y;
AIBasicBehaviour.GetController(player).playerRotator.Rotate(x, y);
}
public new void RunTwoPosition()
{
/* OGoal | Player | Ball | AI | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{
AIBasicBehaviour.Sprint(player, 1);
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
else
{
if (AICheckBehaviour.CheckIfBallApproaching(player, ball))
{
AIBasicBehaviour.UseShield(player);
}
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
}
public new void RunZeroPosition()
{
/* OGoal | Ball | Player, AI | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{
if (aIController.lineOfSight.CheckIfBallSpotted())
{
AIMovementBehaviour.LookAt(player, ball);
AIBasicBehaviour.UseGun(player);
}
}
if (aIController.lineOfSight.CheckIfWallSpotted())
{
AIGlobalBehaviour.ShootInTheMiddle(player, ball, goal);
}
else
{
AIGlobalBehaviour.PositionAndShoot(player, ball, aIController.lineOfSight.GetAvailablePoint());
}
}
public new void RunZeroPosition()
{
/* OGoal | Ball | Player, AI | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{ // If far from ball
if (aIController.lineOfSight.CheckIfWallSpotted())
{
AIGlobalBehaviour.ShootInTheMiddle(player, ball, goal);
}
else
{
AIGlobalBehaviour.PositionAndShoot(player, ball, aIController.lineOfSight.GetAvailablePoint());
}
}
else
{
// If close to a pickup - move towards it
if (aIController.lineOfSight.CheckIfBallSpotted())
{
AIMovementBehaviour.LookAt(player, ball);
AIBasicBehaviour.UseGun(player);
AIMovementBehaviour.MoveTowards(player, ball);
}
else if (AICheckBehaviour.CheckIfCloseToPickup(GetActivePickups(), player))
{
AIMovementBehaviour.LookAt(player, AICheckBehaviour.GetClosestPickup(GetActivePickups(), GetActiveCount(), player));
AIMovementBehaviour.MoveForward(player);
}
else
{
AIGlobalBehaviour.PositionAndShoot(player, ball, aIController.lineOfSight.GetAvailablePoint());
}
}
}
public new void RunThreePosition()
{
/* OGoal | Player, AI | Ball | AIGoal
*/
if (AICheckBehaviour.FarFromBall(player, ball))
{
if (AICheckBehaviour.CheckIfCloseToOpponent(player, opponent))
{
AIMovementBehaviour.LookAt(player, opponent);
AIBasicBehaviour.UseSword(player);
}
AIBasicBehaviour.Sprint(player, 1);
AIMovementBehaviour.LookAt(player, opponent);
AIBasicBehaviour.UseGun(player);
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
else
{
AIBasicBehaviour.Sprint(player, 1);
AIGlobalBehaviour.PositionAndShoot(player, ball, goal);
}
}
public static void MoveForward(GameObject player, float x, float y)
{
/* x and y are not the position of the object but the vector towards it.
*/
AIBasicBehaviour.GetController(player).playerController.playerMovement.MovePlayer(x, y);
}
public static void LookAt(GameObject player, float x, float y)
{
AIBasicBehaviour.GetController(player).playerRotator.Rotate(x - player.transform.position.x, y - player.transform.position.y);
}
