private bool FireWeapon(
TargetTuple target,
Vector3 displacement,
float distance,
bool isServer)
{
Ammo ammo = PickBestAmmo(target, displacement, distance);
if (ammo == null)
{
return(false);
}
ammo.ShellCountRemaining--;
// sound
_audioSource.PlayOneShot(ammo.ShotSound, _shotVolume);
if (ammo.MuzzleFlashEffect != null)
{
ammo.MuzzleFlashEffect.transform.LookAt(target.Position);
ammo.MuzzleFlashEffect.Play();
}
GameObject shell = GameObject.Instantiate(
_shellPrefab,
_barrelTip.position,
_barrelTip.transform.rotation);
GameObject.Instantiate(ammo.ShellArtPrefab, shell.transform);
float roll = _random.NextFloat(0.0, 100.0);
bool isHit = roll <= ammo.Accuracy;
Vector3 shellDestination = target.Position;
if (!isHit)
{
int deviationMode = (int)roll % 4;
float missFactor = _random.NextFloat(
Constants.MISS_FACTOR_MIN,
Constants.MISS_FACTOR_MAX);
float weightX = _random.NextFloat(0, 1);
switch (deviationMode)
{
case 0:
shellDestination.x += distance * missFactor * weightX;
shellDestination.y += distance * missFactor * (1 - weightX);
break;
case 1:
shellDestination.x -= distance * missFactor * weightX;
shellDestination.y += distance * missFactor * (1 - weightX);
break;
case 2:
shellDestination.x += distance * missFactor * weightX;
shellDestination.y -= distance * missFactor * (1 - weightX);
break;
case 3:
shellDestination.x -= distance * missFactor * weightX;
shellDestination.y -= distance * missFactor * (1 - weightX);
break;
}
}
ShellBehaviour shellBehaviour = shell.GetComponent <ShellBehaviour>();
shellBehaviour.Initialize(shellDestination, ammo);
if (isServer)
{
if (target.IsUnit)
{
if (isHit && !ammo.IsAoe)
{
target.Enemy.HandleHit(
ammo.DamageType, ammo.DamageValue, displacement, distance);
}
}
else
{
// HE damage is applied by the shellBehavior when it explodes
}
}
return(true);
}
public void HandleUpdate()
{
_weapon?.HandleUpdate();
if (_target == null || !_target.Exists)
{
TurnTurretBackToDefaultPosition();
return;
}
bool aimed = false;
float targetHorizontalAngle = 0f;
float targetVerticalAngle = 0f;
if (_target.Position != Vector3.zero)
{
aimed = true;
Vector3 directionToTarget = _target.Position - _turret.position;
directionToTarget = new Vector3(directionToTarget.x, 0, directionToTarget.z);
Quaternion rotationToTarget = Quaternion.LookRotation(
_turret.parent.transform.InverseTransformDirection(directionToTarget));
// Add any necessary cannon elevation to the rotation
rotationToTarget *= ShellBehaviour.CalculateBarrelAngle(
_shellVelocity, _turret.transform.position, _target.Position, out _);
targetHorizontalAngle = rotationToTarget.eulerAngles.y.unwrapDegree();
// If this turret has no flexibility (ArcHorizontal = 0) and is fully
// rotated by a parent turret, it can get stuck 0.0000000001 degrees
// away from the target due to float rounding errors (parent rounds
// one way and decides he's done, child rounds the other way).
// So round away the last degree to avoid this case:
targetHorizontalAngle = Util.RoundTowardZero(targetHorizontalAngle);
if (Mathf.Abs(targetHorizontalAngle) > _arcHorizontal)
{
targetHorizontalAngle = 0f;
aimed = false;
}
targetVerticalAngle = rotationToTarget.eulerAngles.x.unwrapDegree();
targetVerticalAngle = (float)Math.Floor(targetVerticalAngle);
if (targetVerticalAngle < -_arcUp || targetVerticalAngle > _arcDown)
{
targetVerticalAngle = 0f;
aimed = false;
}
}
float turn = Time.deltaTime * _rotationRate;
float horizontalAngle = _turret.localEulerAngles.y;
float verticalAngle = _turret.localEulerAngles.x;
float deltaAngle;
deltaAngle = (targetHorizontalAngle - horizontalAngle).unwrapDegree();
if (Mathf.Abs(deltaAngle) > turn)
{
horizontalAngle += (deltaAngle > 0 ? 1 : -1) * turn;
aimed = false;
}
else
{
horizontalAngle = targetHorizontalAngle;
}
deltaAngle = (targetVerticalAngle - verticalAngle).unwrapDegree();
if (Mathf.Abs(deltaAngle) > turn)
{
verticalAngle += (deltaAngle > 0 ? 1 : -1) * turn;
aimed = false;
}
else
{
verticalAngle = targetVerticalAngle;
}
_turret.localEulerAngles = new Vector3(verticalAngle, horizontalAngle, 0);
IsFacingTarget = aimed;
foreach (Turret turret in Children)
{
turret.HandleUpdate();
}
}