Exemplo n.º 1
0
    public override void UpdateInsistence()
    {
        Insistence = 0;
        weaponsThatCanHit.Clear();

        if (controller.PrevManeuverBehaviour == ManeuverGoal.Behaviour.GoingforIt)
        {
            Tank aiTank = controller.SelfTank;

            Tank targetTank = controller.TargetTank;

            foreach (WeaponPart weapon in aiTank.Hull.GetAllWeapons())
            {
                if (weapon.CalcTimeToReloaded() > 0)
                {
                    continue;
                }

                if (weapon.Schematic.BulletType != Bullet.BulletTypes.MissileCluster)
                {
                    Vector2 targetPos     = AIUtility.CalculateTargetPosWithWeapon(weapon.Schematic.ShootImpulse, weapon.CalculateFirePos(), aiTank.transform.position, targetTank.transform.position, targetTank.Body.velocity);
                    Vector2 curFireVec    = weapon.CalculateFireVec();
                    Ray     ray           = new Ray(weapon.CalculateFirePos(), curFireVec);
                    float   shortestDist  = Vector3.Cross(ray.direction, (Vector3)(targetPos) - ray.origin).magnitude;
                    bool    canHitIfFired = shortestDist < targetTank.Hull.Schematic.Size.x / 2f;

                    Vector2 targetVec = targetPos - weapon.CalculateFirePos();

                    bool fireVecFacingTarget = Vector2.Angle(curFireVec, targetVec) < 90f;
                    bool inRange             = targetVec.magnitude < weapon.Schematic.Range;
                    if (inRange && canHitIfFired && fireVecFacingTarget)
                    {
                        weaponsThatCanHit.Add(weapon);
                    }
                }
                else
                {
                    float distFromTarget = (targetTank.transform.position - aiTank.transform.position).magnitude;

                    float     checkDist = (float)weapon.Schematic.BulletInfos["shoot_impulse"] * (float)weapon.Schematic.BulletInfos["missile_shoot_time"];
                    const int WallBit   = 8;
                    const int LayerMask = 1 << WallBit;

                    RaycastHit2D hit = Physics2D.Raycast(aiTank.transform.position, weapon.CalculateFireVec(), checkDist, LayerMask);

                    if (hit.collider == null && distFromTarget <= weapon.Schematic.Range)
                    {
                        weaponsThatCanHit.Add(weapon);
                    }
                }
            }

            if (weaponsThatCanHit.Count > 0)
            {
                Insistence = 100;
            }
        }
    }