/// <summary>
/// Performs AI logic.
/// </summary>
private void Update()
{
if (_motor.IsFalling)
{
if (AutoStandUp)
{
_motor.StandUp();
}
return;
}
CharacterMotor targetMotor = null;
if (Target != null)
{
targetMotor = Target.GetComponent <CharacterMotor>();
}
var hasAFriendInBetween = false;
var isFacingTheEnemy = false;
if (targetMotor != null)
{
var enemyDot = Vector3.Dot(_motor.Forward, Target.transform.position - transform.position);
isFacingTheEnemy = enemyDot > 0;
if (isFacingTheEnemy)
{
var me = Characters.Get(gameObject);
foreach (var character in Characters.All)
{
if (character.Object != me.Object)
{
if (character.IsSameSide(me))
{
var dot = Vector3.Dot(_motor.Forward, character.Object.transform.position - transform.position);
if (dot > 0 && dot < enemyDot)
{
hasAFriendInBetween = true;
break;
}
}
}
}
}
}
if (_attack > float.Epsilon && targetMotor != null && targetMotor.IsAlive)
{
if (ResetAttackCounterOnHit && _motor.IsGettingHit)
{
_attack = AttackWait;
}
_attack -= Time.deltaTime;
if (_attack < float.Epsilon && isFacingTheEnemy && !hasAFriendInBetween)
{
_motor.InputAttack();
_attack = AttackWait;
}
}
else
{
_attack = 0;
}
var cameraForward = Quaternion.AngleAxis(_motor.Angle, Vector3.up) * Vector3.forward;
var current = Vector3.Dot(cameraForward, transform.position);
switch (State)
{
case AIState.Patrol:
if (AutoNotice)
{
var me = Characters.Get(gameObject);
foreach (var character in Characters.All)
{
if (character.Object != null && character.Object != gameObject && !character.IsSameSide(me))
{
if (Vector3.Distance(character.Object.transform.position, transform.position) < NoticeDistance)
{
Attack(character.Object);
}
}
}
}
var right = Vector3.Dot(cameraForward, _center + cameraForward * PatrolRight);
var left = Vector3.Dot(cameraForward, _center - cameraForward * PatrolLeft);
if (_direction > 0)
{
_motor.Direction = CharacterDirection.Right;
if (current < right)
{
if (!_motor.IsBlocked || !_motor.IsFacingWalkDirection)
{
_motor.InputMovement(1);
}
else
{
_motor.InputJump();
}
}
else
{
_direction = -1;
}
}
else
{
_motor.Direction = CharacterDirection.Left;
if (current > left)
{
if (!_motor.IsBlocked || !_motor.IsFacingWalkDirection)
{
_motor.InputMovement(-1);
}
else
{
_motor.InputJump();
}
}
else
{
_direction = 1;
}
}
break;
case AIState.Attack:
if (Target == null)
{
State = AIState.Patrol;
}
else
{
var enemyAttackDistance = EnemyAttackDistance;
var minEnemyDistance = MinEnemyDistance;
var radius = transform.TransformVector(Vector3.forward * _capsule.radius).magnitude;
enemyAttackDistance += radius;
minEnemyDistance += radius;
var enemyCapsule = Target.GetComponent <CapsuleCollider>();
if (enemyCapsule != null)
{
var enemyRadius = Target.transform.TransformVector(Vector3.forward * enemyCapsule.radius).magnitude;
enemyAttackDistance += enemyRadius;
minEnemyDistance += enemyRadius;
}
if (Vector3.Distance(transform.position, Target.transform.position) < enemyAttackDistance)
{
if (_attack < float.Epsilon)
{
_attack = AttackWait;
}
}
var enemy = Vector3.Dot(cameraForward, Target.transform.position);
var enemyDistance = Vector2.Distance(new Vector2(transform.position.x, transform.position.z),
new Vector2(Target.transform.position.x, Target.transform.position.z));
if (enemyDistance > ForgetDistance)
{
Target = null;
State = AIState.Patrol;
}
else
{
if (enemyDistance > radius)
{
if (current < enemy)
{
_motor.Direction = CharacterDirection.Right;
}
else
{
_motor.Direction = CharacterDirection.Left;
}
}
if (enemyDistance > minEnemyDistance && !hasAFriendInBetween)
{
if (current < enemy + float.Epsilon)
{
if (!_motor.IsBlocked || !_motor.IsFacingWalkDirection)
{
_motor.InputMovement(1);
}
else if (_motor.Obstacle != Target)
{
_motor.InputJump();
}
}
else if (current > enemy - float.Epsilon)
{
if (!_motor.IsBlocked || !_motor.IsFacingWalkDirection)
{
_motor.InputMovement(-1);
}
else if (_motor.Obstacle != Target)
{
_motor.InputJump();
}
}
}
}
}
break;
}
}