bool SW_EMPulse::Activate(SuperClass* pThis, const CellStruct &Coords, bool IsPlayer)
{
auto pType = pThis->Type;
auto pData = SWTypeExt::ExtMap.Find(pType);
if(!pData) {
return false;
}
auto pOwner = pThis->Owner;
pOwner->EMPTarget = Coords;
// the maximum number of buildings to fire. negative means all.
const auto Count = (pData->SW_MaxCount >= 0)
? static_cast<size_t>(pData->SW_MaxCount)
: std::numeric_limits<size_t>::max();
// if linked, only one needs to be in range (and CanFireAt checked that already).
const bool ignoreRange = pData->EMPulse_Linked || pData->EMPulse_TargetSelf;
auto IsEligible = [&](BuildingClass* pBld) {
return IsLaunchSiteEligible(pData, Coords, pBld, ignoreRange);
};
// only call on up to Count buildings that suffice IsEligible
Helpers::Alex::for_each_if_n(pOwner->Buildings.begin(), pOwner->Buildings.end(),
Count, IsEligible, [&](BuildingClass* pBld)
{
if(!pData->EMPulse_TargetSelf) {
// set extended properties
auto pExt = TechnoExt::ExtMap.Find(pBld);
pExt->SuperWeapon = pThis;
pExt->SuperTarget = MapClass::Instance->TryGetCellAt(Coords);
// setup the cannon and start the fire mission
pBld->FiringSWType = pType->ArrayIndex;
pBld->QueueMission(Mission::Missile, false);
pBld->NextMission();
} else {
// create a bullet and detonate immediately
if(auto pWeapon = pBld->GetWeapon(0)->WeaponType) {
auto pExt = BulletTypeExt::ExtMap.Find(pWeapon->Projectile);
if(auto pBullet = pExt->CreateBullet(pBld, pBld, pWeapon)) {
pBullet->SetWeaponType(pWeapon);
pBullet->Remove();
pBullet->Detonate(BuildingExt::GetCenterCoords(pBld));
pBullet->Release();
}
}
}
});
return true;
}
bool NewSWType::HasLaunchSite(SWTypeExt::ExtData* pSWType, HouseClass* pOwner, const CellStruct &Coords) const
{
// the quick way out: no range restriction at all
auto range = GetLaunchSiteRange(pSWType);
if(range.first < 0.0 && range.second < 0.0) {
return true;
}
return std::any_of(pOwner->Buildings.begin(), pOwner->Buildings.end(), [=, &Coords](BuildingClass* pBld) {
return IsLaunchSiteEligible(pSWType, Coords, pBld, false);
});
}