bool isTechRequiredForUnit(TechTypes eTech, UnitTypes eUnit)
{
CvUnitEntry* info = GC.getUnitInfo(eUnit);
if(info == NULL)
{
return false;
}
if(info->GetPrereqAndTech() == eTech)
{
return true;
}
for(int iI = 0; iI < GC.getNUM_UNIT_AND_TECH_PREREQS(); iI++)
{
if(info->GetPrereqAndTechs(iI) == eTech)
{
return true;
}
}
return false;
}
// ---------------------------------------------------------------------------
UnitClassTypes CvGameQueries::GetLeastAdvancedUnitClassNobodyHas(bool bUseRandom /* = false */)
{
CvWeightedVector<int, SAFE_ESTIMATE_NUM_UNITS, true> UnitClassesVector;
int iWeight;
bool bValid;
for (int i = 0; i < GC.getNumUnitClassInfos(); i++)
{
const UnitClassTypes eUnitClass = static_cast<UnitClassTypes>(i);
CvUnitClassInfo* pkUnitClassInfo = GC.getUnitClassInfo(eUnitClass);
if(pkUnitClassInfo)
{
const UnitTypes eDefaultUnit = (UnitTypes) pkUnitClassInfo->getDefaultUnitIndex();
// If the UnitClass doesn't have a Default Unit available to everyone, skip it
if (eDefaultUnit == NO_UNIT)
{
continue;
}
CvUnitEntry* pkUnitInfo = GC.getUnitInfo(eDefaultUnit);
if(pkUnitInfo == NULL)
{
continue;
}
// Only look at Land Units
if (pkUnitInfo->GetDomainType() != DOMAIN_LAND)
{
continue;
}
// Only look at Military Units
if (pkUnitInfo->GetCombat() <= 0)
{
continue;
}
const TechTypes ePrereqTech = (TechTypes) pkUnitInfo->GetPrereqAndTech();
// Unit has to require a Tech, otherwise it's too easy!
if (ePrereqTech == NO_TECH)
{
continue;
}
CvTechEntry* pkTechInfo = GC.getTechInfo(ePrereqTech);
if(pkTechInfo == NULL)
{
continue;
}
bValid = true;
bool bAllPlayersHaveTech = true;
for (int iMajorLoop = 0; iMajorLoop < MAX_MAJOR_CIVS; iMajorLoop++)
{
if (GET_PLAYER((PlayerTypes) iMajorLoop).isAlive())
{
// If a player already has one of this Unit, throw it out - we want something more advanced
if (GET_PLAYER((PlayerTypes) iMajorLoop).getUnitClassCount(eUnitClass) > 0)
{
bValid = false;
break;
}
// Even if no one has this Unit lying around, if all players already have the Tech which unlocks it, throw it out - too easy
if (bAllPlayersHaveTech && !GET_TEAM((TeamTypes) GET_PLAYER((PlayerTypes) iMajorLoop).getTeam()).GetTeamTechs()->HasTech(ePrereqTech))
{
bAllPlayersHaveTech = false;
}
}
}
if (!bValid || bAllPlayersHaveTech)
{
continue;
}
iWeight = pkUnitInfo->GetPower();
// Add a Tech factor, since we want something in the near future, not too far off
iWeight += (pkTechInfo->GetResearchCost() / 8);
// Add a random bit so that the same Unit isn't ALWAYS picked
if (bUseRandom)
{
iWeight += GC.getGame().getJonRandNum(iWeight / 10, "Minor Civ Quest: Gift Unit - Adding random weight to Unit Chosen");
}
UnitClassesVector.push_back(i, iWeight);
}
}
UnitClassesVector.SortItems();
//int iValue;
bValid = true;
for (int i = UnitClassesVector.size() - 1; i >= 0; i--)
{
const UnitClassTypes eUnitClass = (UnitClassTypes) UnitClassesVector.GetElement(i);
// First Unit we find in this sorted Vector is our guy
if (bValid)
{
return eUnitClass;
}
}
return NO_UNITCLASS;
}
