private Ammo PickBestAmmo(
TargetTuple target,
Vector3 displacement,
float distance)
{
Ammo result = _ammo[0];
float bestDamage = result.EstimateDamageAgainstTarget(
target, displacement, distance);
for (int i = 1; i < _ammo.Length; i++)
{
float damage = _ammo[i].EstimateDamageAgainstTarget(
target, displacement, distance);
if (damage > bestDamage)
{
result = _ammo[i];
bestDamage = damage;
}
}
return(result);
}
public Cannon(
CannonConfig data,
AudioSource source,
Transform barrelTip,
float shotVolume = 1.0f)
{
_shotReload = data.ShotReload;
_salvoLength = data.SalvoLength;
_salvoReload = data.SalvoReload;
_audioSource = source;
_shotVolume = shotVolume;
_barrelTip = barrelTip;
_random = new System.Random(Environment.TickCount);
_shellPrefab = Resources.Load <GameObject>("Shell");
_ammo = new Ammo[data.Ammo.Count];
for (int i = 0; i < data.Ammo.Count; i++)
{
_ammo[i] = new Ammo(data.Ammo[i], _barrelTip);
}
}
private Ammo PickBestAmmo(
TargetTuple target,
Vector3 displacement,
float distance)
{
Ammo result = null;
float bestDamage = 0;
bool mustUseAp = _apRange > distance && target.Type == TargetType.VEHICLE;
for (int i = 0; i < Ammo.Length; i++)
{
if (Ammo[i].ShellCountRemaining == 0)
{
continue;
}
float damage = Ammo[i].EstimateDamageAgainstTarget(
target, displacement, distance);
// Tanks and autocannons dont shoot other vehicles with HE:
if (mustUseAp)
{
if (Ammo[i].DamageType != DamageType.KE && Ammo[i].DamageType != DamageType.HEAT)
{
damage = 0;
}
}
if (damage > bestDamage)
{
result = Ammo[i];
bestDamage = damage;
}
}
return(result);
}
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);
}
/// <summary>
/// Call in the weapon class to initialize the shell/bullet.
/// </summary>
/// <param name="velocity">In meters.</param>
public void Initialize(Vector3 target, Ammo ammo)
{
_targetCoordinates = target;
_ammo = ammo;
}
