TSubgoal FindObj::whatToDoToAchieve()
{
const CGObjectInstance * o = nullptr;
if (resID > -1) //specified
{
for(const CGObjectInstance *obj : ai->visitableObjs)
{
if(obj->ID == objid && obj->subID == resID)
{
o = obj;
break; //TODO: consider multiple objects and choose best
}
}
}
else
{
for(const CGObjectInstance *obj : ai->visitableObjs)
{
if(obj->ID == objid)
{
o = obj;
break; //TODO: consider multiple objects and choose best
}
}
}
if (o && ai->isAccessible(o->pos)) //we don't use isAccessibleForHero as we don't know which hero it is
return sptr (Goals::GetObj(o->id.getNum()));
else
return sptr (Goals::Explore());
}
TSubgoal CollectRes::whatToDoToAchieve()
{
std::vector<const IMarket*> markets;
std::vector<const CGObjectInstance*> visObjs;
ai->retreiveVisitableObjs(visObjs, true);
for(const CGObjectInstance *obj : visObjs)
{
if(const IMarket *m = IMarket::castFrom(obj, false))
{
if(obj->ID == Obj::TOWN && obj->tempOwner == ai->playerID && m->allowsTrade(EMarketMode::RESOURCE_RESOURCE))
markets.push_back(m);
else if(obj->ID == Obj::TRADING_POST) //TODO a moze po prostu test na pozwalanie handlu?
markets.push_back(m);
}
}
boost::sort(markets, [](const IMarket *m1, const IMarket *m2) -> bool
{
return m1->getMarketEfficiency() < m2->getMarketEfficiency();
});
markets.erase(boost::remove_if(markets, [](const IMarket *market) -> bool
{
return !(market->o->ID == Obj::TOWN && market->o->tempOwner == ai->playerID)
&& !ai->isAccessible(market->o->visitablePos());
}),markets.end());
if(!markets.size())
{
for(const CGTownInstance *t : cb->getTownsInfo())
{
if(cb->canBuildStructure(t, BuildingID::MARKETPLACE) == EBuildingState::ALLOWED)
return sptr (Goals::BuildThis(BuildingID::MARKETPLACE, t));
}
}
else
{
const IMarket *m = markets.back();
//attempt trade at back (best prices)
int howManyCanWeBuy = 0;
for(Res::ERes i = Res::WOOD; i <= Res::GOLD; vstd::advance(i, 1))
{
if(i == resID) continue;
int toGive = -1, toReceive = -1;
m->getOffer(i, resID, toGive, toReceive, EMarketMode::RESOURCE_RESOURCE);
assert(toGive > 0 && toReceive > 0);
howManyCanWeBuy += toReceive * (cb->getResourceAmount(i) / toGive);
}
if(howManyCanWeBuy + cb->getResourceAmount(static_cast<Res::ERes>(resID)) >= value)
{
auto backObj = cb->getTopObj(m->o->visitablePos()); //it'll be a hero if we have one there; otherwise marketplace
assert(backObj);
if (backObj->tempOwner != ai->playerID)
{
return sptr (Goals::GetObj(m->o->id.getNum()));
}
else
{
return sptr (Goals::GetObj(m->o->id.getNum()).setisElementar(true));
}
}
}
return sptr (setisElementar(true)); //all the conditions for trade are met
}
TSubgoal CollectRes::whatToDoToTrade()
{
std::vector<const IMarket *> markets;
std::vector<const CGObjectInstance *> visObjs;
ai->retrieveVisitableObjs(visObjs, true);
for (const CGObjectInstance * obj : visObjs)
{
if (const IMarket * m = IMarket::castFrom(obj, false))
{
if (obj->ID == Obj::TOWN && obj->tempOwner == ai->playerID && m->allowsTrade(EMarketMode::RESOURCE_RESOURCE))
markets.push_back(m);
else if (obj->ID == Obj::TRADING_POST)
markets.push_back(m);
}
}
boost::sort(markets, [](const IMarket * m1, const IMarket * m2) -> bool
{
return m1->getMarketEfficiency() < m2->getMarketEfficiency();
});
markets.erase(boost::remove_if(markets, [](const IMarket * market) -> bool
{
if (!(market->o->ID == Obj::TOWN && market->o->tempOwner == ai->playerID))
{
if (!ai->isAccessible(market->o->visitablePos()))
return true;
}
return false;
}), markets.end());
if (!markets.size())
{
for (const CGTownInstance * t : cb->getTownsInfo())
{
if (cb->canBuildStructure(t, BuildingID::MARKETPLACE) == EBuildingState::ALLOWED)
return sptr(BuildThis(BuildingID::MARKETPLACE, t).setpriority(2));
}
}
else
{
const IMarket * m = markets.back();
//attempt trade at back (best prices)
int howManyCanWeBuy = 0;
for (Res::ERes i = Res::WOOD; i <= Res::GOLD; vstd::advance(i, 1))
{
if (i == resID)
continue;
int toGive = -1, toReceive = -1;
m->getOffer(i, resID, toGive, toReceive, EMarketMode::RESOURCE_RESOURCE);
assert(toGive > 0 && toReceive > 0);
howManyCanWeBuy += toReceive * (ai->ah->freeResources()[i] / toGive);
}
if (howManyCanWeBuy >= value)
{
auto backObj = cb->getTopObj(m->o->visitablePos()); //it'll be a hero if we have one there; otherwise marketplace
assert(backObj);
auto objid = m->o->id.getNum();
if (backObj->tempOwner != ai->playerID) //top object not owned
{
return sptr(VisitObj(objid)); //just go there
}
else //either it's our town, or we have hero there
{
return sptr(Trade(resID, value, objid).setisElementar(true)); //we can do this immediately
}
}
}
return sptr(Invalid()); //cannot trade
}