protected virtual void ShootAtPlayer()
{
if (PlayerPosUtil.GetAngleToPlayer(transform) <= shootAngle && hasPlayerInSight)
{
weapon.Fire();
}
}
/// <summary>
/// Calculates direction of player when projectile hits
/// </summary>
private Vector2?GetTargetDirection()
{
float? timeTillImpact = PlayerPosUtil.GetDistanceFromPlayer(transform) / weapon.GetProjectileVelocity();
Vector2?target = PlayerPosUtil.CalculateFuturePosition(timeTillImpact);
return((target == null) ? null : target - transform.position);
}
private float?GetAngleToTarget()
{
if (weapon == null || weapon is MeleeWeapon)
{
return(PlayerPosUtil.GetAngleToPlayer(transform));
}
Vector2?targetDirection = GetTargetDirection();
return(Vector2.Angle(targetDirection.Value, transform.right));
}
public override void CloseCombatAttack()
{
if (PlayerPosUtil.GetDistanceFromPlayer(transform) > minCloseCombatRange)
{
return;
}
if (weapon != null)
{
weapon.Fire();
}
else
{
base.CloseCombatAttack();
}
}
public void FollowPlayer(Enemy enemy, Player player)
{
float attackRange = (enemy.Weapon is FireArm) ? enemy.preferredAttackRange : 0f;
if (enemy.HasPlayerInSight && (PlayerPosUtil.GetDistanceFromPlayer(enemy.transform) < attackRange))
{
enemy.ChangeDestination(null, 0);
}
else
{
enemy.ChangeDestination(enemy.LastKnownPlayerPosition, enemy.maxVelocity);
}
if (Vector2.Distance(enemy.transform.position, enemy.LastKnownPlayerPosition) < 0.5f)
{
reachedLastKnownPos = true;
}
if (reachedLastKnownPos == false)
{
enemy.LookAtPlayer();
}
}
/// <summary>
/// Checks if player is in the line of sight
/// </summary>
protected virtual void CheckLineOfSight()
{
// perform check
bool oldStatus = hasPlayerInSight;
hasPlayerInSight = PlayerPosUtil.GetIsPlayerInSight(transform, visionAngle, visionRange);
statusChanged = (oldStatus == hasPlayerInSight);
if (hasPlayerInSight)
{
lastKnownPlayerPosition = player.transform.position;
}
// react
if (hasPlayerInSight && awarenessSystem.Awareness != awarenessSystem.MaxAwareness)
{
awarenessSystem.Awareness = awarenessSystem.MaxAwareness;
}
else if (statusChanged && !hasPlayerInSight && !awarenessSystem.IsCoolingDown && awarenessSystem.Awareness != 0)
{
awarenessSystem.StartCooldown();
}
}
/// <summary>
/// Makes enemy look towards player
/// </summary>
public virtual void LookAtPlayer()
{
float?angle = PlayerPosUtil.GetSignedAngleToPlayer(transform);
RotateEnemyByAngle(angle);
}