void CweaponIGC::FireWeapon(Time now)
{
assert(m_mountID >= 0);
assert(m_ship);
bool fFiredShot = false;
if (m_fActive && (m_nextFire < now))
{
Time lastUpdate = m_ship->GetLastUpdate();
//Never fire retroactively.
if (m_nextFire < lastUpdate)
m_nextFire = lastUpdate;
bool fSelected = fIsWeaponSelected();
float energy = m_ship->GetEnergy(); //the energy the ship would have at "now"
if (energy >= m_typeData->energyPerShot)
{
//We'd be able to fire before now and would have enough energy at now to fire, so ...
float rechargeRate = m_ship->GetHullType()->GetRechargeRate();
float energyDeficit = (m_nextFire - now) * //this is how much we are in the hole because we
rechargeRate; //are shooting sooner than "now" (must be < 0)
short ammo = m_ship->GetAmmo();
if ((ammo > 0) || (m_typeData->cAmmoPerShot == 0))
{
// we are firing at least once this frame
fFiredShot = true;
m_pMission->GetIgcSite()->PlayFFEffect(effectFire, m_pshipGunner ? m_pshipGunner : m_ship);
//Get the stuff that won't change between shots
IclusterIGC* cluster = m_ship->GetCluster();
assert(cluster);
const Orientation& shipOrientation = m_ship->GetOrientation();
//Orientation orientationBfr;
const Orientation* pMyOrientation;
if (m_pshipGunner)
{
/*
orientationBfr = m_pshipGunner->GetOrientation() * (*m_porientation * shipOrientation);
pMyOrientation = &orientationBfr;
*/
pMyOrientation = &(m_pshipGunner->GetOrientation());
}
else
{
pMyOrientation = &shipOrientation;
}
//This is how much energy deficit recovers between shots
float dtimeBurst = GetDtBurst();
float recharge = rechargeRate * dtimeBurst;
const Vector& myVelocity = m_ship->GetVelocity();
Vector myPosition = m_ship->GetPosition() + *m_pposition * shipOrientation; //*pMyOrientation;
/*
m_ship->GetThingSite()->AddMuzzleFlare(
m_emissionPt,
min(dtimeBurst * 0.5f, 0.05f)
);
*/
DataProjectileIGC dataProjectile;
dataProjectile.projectileTypeID = m_projectileType->GetObjectID();
float lifespan = GetLifespan();
float speed = m_projectileType->GetSpeed();
if (m_typeData->cAmmoPerShot)
speed *= m_ship->GetSide()->GetGlobalAttributeSet().GetAttribute(c_gaSpeedAmmo);
bool absoluteF = m_projectileType->GetAbsoluteF();
const Vector* ppositionTarget;
const Vector* pvelocityTarget;
ImodelIGC* ptarget = NULL;
if (m_projectileType->GetBlastPower() != 0.0f)
{
if (m_pshipGunner)
ptarget = m_pshipGunner->GetCommandTarget(c_cmdCurrent);
else
ptarget = m_ship->GetCommandTarget(c_cmdCurrent);
if (ptarget)
{
if ((ptarget->GetCluster() == cluster) && m_ship->CanSee(ptarget))
{
ppositionTarget = &(ptarget->GetPosition());
pvelocityTarget = &(ptarget->GetVelocity());
}
else
ptarget = NULL;
}
}
int nShots = fSelected ? 10 : 0; //Only allow a single shot if the weapon is no longer selected
do
{
if (energy + energyDeficit < m_typeData->energyPerShot)
{
//We don't have enough energy to fire at our prefered time ... so wait until we do.
m_nextFire += (m_typeData->energyPerShot - (energy + energyDeficit)) / rechargeRate;
}
//Permute the "forward" direction slightly by a random amount
dataProjectile.forward = pMyOrientation->GetForward();
if (m_typeData->dispersion != 0.0f)
{
float r = random(0.0f, m_typeData->dispersion);
float a = random(0.0f, 2.0f * pi);
dataProjectile.forward += (r * cos(a)) * pMyOrientation->GetRight();
dataProjectile.forward += (r * sin(a)) * pMyOrientation->GetUp();
dataProjectile.forward.SetNormalize();
}
dataProjectile.velocity = speed * dataProjectile.forward;
if (!absoluteF)
dataProjectile.velocity += myVelocity;
Vector position = myPosition + myVelocity * (m_nextFire - lastUpdate);
dataProjectile.lifespan = lifespan;
if (ptarget)
{
Vector dV = *pvelocityTarget - dataProjectile.velocity;
float dV2 = dV.LengthSquared();
if (dV2 != 0.0f)
{
Vector dP = position - *ppositionTarget; //reverse so time has right sense
dataProjectile.lifespan = (dV * dP) / dV2;
if (dataProjectile.lifespan > lifespan)
dataProjectile.lifespan = lifespan;
else if (dataProjectile.lifespan < 0.1f)
dataProjectile.lifespan = 0.1f; //Don't let it explode in our face
}
}
IprojectileIGC* p = (IprojectileIGC*)(m_pMission->CreateObject(m_nextFire, OT_projectile,
&dataProjectile, sizeof(dataProjectile)));
if (p)
{
if (m_pshipGunner)
p->SetGunner(m_pshipGunner);
else
p->SetLauncher(m_ship);
p->SetPosition(position);
p->SetCluster(cluster);
p->Release();
}
energyDeficit += rechargeRate * dtimeBurst;
energy -= m_typeData->energyPerShot;
ammo -= m_typeData->cAmmoPerShot;
m_nextFire += dtimeBurst;
} while ((nShots-- > 0) &&
(m_nextFire < now) &&
(energy + energyDeficit >= m_typeData->energyPerShot) &&
(ammo > 0));
m_ship->SetAmmo(ammo > 0 ? ammo : 0);
if ((ammo == 0) && (m_typeData->cAmmoPerShot != 0))
fSelected = false;
m_ship->SetEnergy(energy);
}
}
if (!fSelected)
Deactivate();
}
// if we fired a shot, keep track of it (note - stored localy because the
// call to deactivate (above) clears the member variable).
m_fFiringShot = fFiredShot;
// if we are still firing and have the energy and ammo for the next shot,
// assume we are firing a burst.
if ((m_ship->GetEnergy() >= m_typeData->energyPerShot)
&& (m_ship->GetAmmo() >= m_typeData->cAmmoPerShot)
&& (m_fFiringBurst || (m_fActive && m_fFiringShot)) // a burst starts with a shot
)
{
m_fFiringBurst = true;
}
else
{
m_fFiringBurst = false;
}
}
void CprobeIGC::Update(Time now)
{
if (now >= m_timeExpire)
GetMyMission()->GetIgcSite()->KillProbeEvent(this);
else
{
{
float dt = m_probeType->GetRipcordDelay();
if (dt >= 0.0f)
{
Time timeActivate = m_time0 + dt;
if ((GetMyLastUpdate() < timeActivate) &&
(now >= timeActivate))
{
GetMyMission()->GetIgcSite()->ActivateTeleportProbe(this);
}
}
}
if (m_projectileType)
{
if (m_nextFire < now)
{
IclusterIGC* pcluster = GetCluster();
assert (pcluster);
//We'll be able to take a shot
float lifespan = GetProjectileLifespan();
IsideIGC* pside = GetSide();
const Vector& myPosition = GetPosition();
float speed = m_projectileType->GetSpeed();
if (m_ammo != 0)
speed *= GetSide()->GetGlobalAttributeSet().GetAttribute(c_gaSpeedAmmo);
float accuracy = GetAccuracy();
float dtimeBurst = GetDtBurst();
float dispersion = m_probeType->GetDispersion();
Time lastUpdate = GetMyLastUpdate();
if (m_nextFire < lastUpdate)
m_nextFire = lastUpdate;
assert (m_nextFire <= now);
TmodelIGC<IprobeIGC>::Update(now);
float dtUpdate = m_nextFire - lastUpdate;
//If we have a target ... find the closest enemy ship who is a valid target
ExpendableAbilityBitMask eabm = m_probeType->GetCapabilities();
float distance2Min = speed * lifespan / 1.2f;
distance2Min *= distance2Min;
Vector directionMin;
ImodelIGC* pmodelTarget = NULL;
if (eabm & c_eabmShootOnlyTarget)
{
if (m_target && (m_target->GetCluster() == pcluster))
{
ObjectType type = m_target->GetObjectType();
ValidTarget((type == OT_ship) ? ((IshipIGC*)(ImodelIGC*)m_target)->GetSourceShip() : m_target,
pside, myPosition, dtUpdate, accuracy, speed, lifespan, type,
&pmodelTarget, &distance2Min, &directionMin);
}
}
else
{
if (eabm & c_eabmShootShips)
{
//Threats to stations get highest priority
GetTarget((const ModelListIGC*)(pcluster->GetShips()),
pside, myPosition, dtUpdate, accuracy, speed, lifespan, OT_ship,
&pmodelTarget, &distance2Min, &directionMin);
}
if (eabm & c_eabmShootMissiles)
{
GetTarget((const ModelListIGC*)(pcluster->GetMissiles()),
pside, myPosition, dtUpdate, accuracy, speed, lifespan, OT_missile,
&pmodelTarget, &distance2Min, &directionMin);
}
if (eabm & c_eabmShootStations)
{
GetTarget((const ModelListIGC*)(pcluster->GetStations()),
pside, myPosition, dtUpdate, accuracy, speed, lifespan, OT_station,
&pmodelTarget, &distance2Min, &directionMin);
}
}
if (pmodelTarget)
{
if (m_launcher && (m_launcher->GetMission() != GetMyMission()))
m_launcher = NULL;
//It is going to shoot ... make it visible to everyone in the sector
if (!m_bSeenByAll)
{
m_bSeenByAll = true;
for (SideLinkIGC* psl = m_pMission->GetSides()->first();
(psl != NULL);
psl = psl->next())
{
IsideIGC* psideOther = psl->data();
if (!SeenBySide(psideOther))
{
//Does this side have any scanners in the sector?
ClusterSite* pcs = pcluster->GetClusterSite();
const ScannerListIGC* psl = pcs->GetScanners(psideOther->GetObjectID());
if ((psl->n() != 0) || (m_pMission->GetMissionParams()->bAllowAlliedViz && psideOther->AlliedSides(psideOther,pside))) //ALLY 7/3/09 VISIBILITY 7/11/09 imago
SetSideVisibility(psideOther, true);
else
m_bSeenByAll = false;
}
}
}
//We have a target ... fire along directionMin (modulo dispersion)
Orientation o = GetOrientation();
o.TurnTo(directionMin);
SetOrientation(o);
Vector position = myPosition + m_probeType->GetEmissionPt() * o;
DataProjectileIGC dataProjectile;
dataProjectile.projectileTypeID = m_projectileType->GetObjectID();
short nShots = 0;
do
{
//Permute the "forward" direction slightly by a random amount
dataProjectile.forward = directionMin;
if (dispersion != 0.0f)
{
float r = random(0.0f, dispersion);
float a = random(0.0f, 2.0f * pi);
dataProjectile.forward += (r * cos(a)) * o.GetRight();
dataProjectile.forward += (r * sin(a)) * o.GetUp();
dataProjectile.forward.SetNormalize();
}
//We never move, so skip all the velocity calculations
dataProjectile.velocity = speed * dataProjectile.forward;
dataProjectile.lifespan = lifespan;
IprojectileIGC* p = (IprojectileIGC*)(m_pMission->CreateObject(m_nextFire, OT_projectile,
&dataProjectile, sizeof(dataProjectile)));
assert (p);
{
p->SetLauncher(m_launcher ? ((ImodelIGC*)m_launcher) : ((ImodelIGC*)this));
p->SetPosition(position);
p->SetCluster(pcluster);
p->Release();
}
nShots++;
m_nextFire += dtimeBurst;
}
while (m_nextFire < now);
if (m_ammo > 0)
{
m_ammo -= nShots;
if (m_ammo <= 0)
{
m_ammo = 0;
GetMyMission()->GetIgcSite()->KillProbeEvent(this);
}
}
}
else
{
//No shots this cycle
m_nextFire = now;
}
}
}
TmodelIGC<IprobeIGC>::Update(now);
}
}
