C++ thread_specific_ptr::isGoodForVisit方法代码示例

int3 whereToExplore(HeroPtr h)
{
	TimeCheck tc ("where to explore");
	int radius = h->getSightRadious();
	int3 hpos = h->visitablePos();

	SectorMap sm(h);

	//look for nearby objs -> visit them if they're close enouh
	const int DIST_LIMIT = 3;
	std::vector<const CGObjectInstance *> nearbyVisitableObjs;
	for (int x = hpos.x - DIST_LIMIT; x <= hpos.x + DIST_LIMIT; ++x) //get only local objects instead of all possible objects on the map
	{
		for (int y = hpos.y - DIST_LIMIT; y <= hpos.y + DIST_LIMIT; ++y)
		{
			for (auto obj : cb->getVisitableObjs (int3(x,y,hpos.z), false))
			{
				int3 op = obj->visitablePos();
				CGPath p;
				ai->myCb->getPathsInfo(h.get())->getPath(op, p);
				if (p.nodes.size() && p.endPos() == op && p.nodes.size() <= DIST_LIMIT)
					if (ai->isGoodForVisit(obj, h, sm))
						nearbyVisitableObjs.push_back(obj);
			}
		}
	}
	vstd::removeDuplicates (nearbyVisitableObjs); //one object may occupy multiple tiles
	boost::sort(nearbyVisitableObjs, CDistanceSorter(h.get()));
	if(nearbyVisitableObjs.size())
		return nearbyVisitableObjs.back()->visitablePos();

	try //check if nearby tiles allow us to reveal anything - this is quick
	{
		return ai->explorationBestNeighbour(hpos, radius, h);
	}
	catch(cannotFulfillGoalException &e)
	{
		//perform exhaustive search
		return ai->explorationNewPoint(h);
	}
}

TGoalVec GatherArmy::getAllPossibleSubgoals()
{
	//get all possible towns, heroes and dwellings we may use
	TGoalVec ret;
	
	//TODO: include evaluation of monsters gather in calculation
	for (auto t : cb->getTownsInfo())
	{
		auto pos = t->visitablePos();
		if (ai->isAccessibleForHero(pos, hero))
		{
			if(!t->visitingHero && howManyReinforcementsCanGet(hero,t))
			{
				if (!vstd::contains (ai->townVisitsThisWeek[hero], t))
					ret.push_back (sptr (Goals::VisitTile(pos).sethero(hero)));
			}
			auto bid = ai->canBuildAnyStructure(t, std::vector<BuildingID>
							(unitsSource, unitsSource + ARRAY_COUNT(unitsSource)), 8 - cb->getDate(Date::DAY_OF_WEEK));
			if (bid != BuildingID::NONE)
				ret.push_back (sptr(BuildThis(bid, t)));
		}
	}

	auto otherHeroes = cb->getHeroesInfo();
	auto heroDummy = hero;
	erase_if(otherHeroes, [heroDummy](const CGHeroInstance * h)
	{
		return (h == heroDummy.h || !ai->isAccessibleForHero(heroDummy->visitablePos(), h, true)
			|| !ai->canGetArmy(heroDummy.h, h) || ai->getGoal(h)->goalType == Goals::GATHER_ARMY);
	});
	for (auto h : otherHeroes)
	{
		ret.push_back (sptr (Goals::VisitHero(h->id.getNum()).setisAbstract(true).sethero(hero)));
				//go to the other hero if we are faster
		ret.push_back (sptr (Goals::VisitHero(hero->id.getNum()).setisAbstract(true).sethero(h)));
				//let the other hero come to us
	}

	std::vector <const CGObjectInstance *> objs;
	for (auto obj : ai->visitableObjs)
	{
		if(obj->ID == Obj::CREATURE_GENERATOR1)
		{
			auto relationToOwner = cb->getPlayerRelations(obj->getOwner(), ai->playerID);

			//Use flagged dwellings only when there are available creatures that we can afford
			if(relationToOwner == PlayerRelations::SAME_PLAYER)
			{
				auto dwelling = dynamic_cast<const CGDwelling*>(obj);
				for(auto & creLevel : dwelling->creatures)
				{
					if(creLevel.first)
					{
						for(auto & creatureID : creLevel.second)
						{
							auto creature = VLC->creh->creatures[creatureID];
							if (ai->freeResources().canAfford(creature->cost))
								objs.push_back(obj);
						}
					}
				}
			}
		}
	}
	for(auto h : cb->getHeroesInfo())
	{
		for (auto obj : objs)
		{ //find safe dwelling
			auto pos = obj->visitablePos();
			if (ai->isGoodForVisit(obj, h))
				ret.push_back (sptr (Goals::VisitTile(pos).sethero(h)));
		}
	}
	if (ai->canRecruitAnyHero()) //this is not stupid in early phase of game
		ret.push_back (sptr(Goals::RecruitHero()));

	if (ret.empty())
	{
		if (hero == ai->primaryHero() || value >= 1.1f)
			ret.push_back (sptr(Goals::Explore()));
		else //workaround to break loop - seemingly there are no ways to explore left
			throw goalFulfilledException (sptr(Goals::GatherArmy(0).sethero(hero)));
	}

	return ret;
}

//.........这里部分代码省略.........
	{
		if(h == heroDummy.h)
			return true;
		else if(!ai->isAccessibleForHero(heroDummy->visitablePos(), h, true))
			return true;
		else if(!ai->canGetArmy(heroDummy.h, h)) //TODO: return actual aiValue
			return true;
		else if(ai->getGoal(h)->goalType == GATHER_ARMY)
			return true;
		else
		   return false;
	});

	for(auto h : otherHeroes)
	{
		// Go to the other hero if we are faster
		if(!vstd::contains(ai->visitedHeroes[hero], h))
		{
			vstd::concatenate(ret, ai->ah->howToVisitObj(hero, h));
		}

		// Go to the other hero if we are faster
		if(!vstd::contains(ai->visitedHeroes[h], hero))
		{
			vstd::concatenate(ret, ai->ah->howToVisitObj(h, hero.get()));
		}
	}

	std::vector<const CGObjectInstance *> objs;
	for(auto obj : ai->visitableObjs)
	{
		if(obj->ID == Obj::CREATURE_GENERATOR1)
		{
			auto relationToOwner = cb->getPlayerRelations(obj->getOwner(), ai->playerID);

			//Use flagged dwellings only when there are available creatures that we can afford
			if(relationToOwner == PlayerRelations::SAME_PLAYER)
			{
				auto dwelling = dynamic_cast<const CGDwelling *>(obj);

				ui32 val = std::min<ui32>(value, howManyReinforcementsCanBuy(hero.get(), dwelling));

				if(val)
				{
					for(auto & creLevel : dwelling->creatures)
					{
						if(creLevel.first)
						{
							for(auto & creatureID : creLevel.second)
							{
								auto creature = VLC->creh->creatures[creatureID];
								if(ai->ah->freeResources().canAfford(creature->cost))
									objs.push_back(obj); //TODO: reserve resources?
							}
						}
					}
				}
			}
		}
	}

	for(auto h : cb->getHeroesInfo())
	{
		for(auto obj : objs)
		{
			//find safe dwelling
			if(ai->isGoodForVisit(obj, h))
			{
				vstd::concatenate(ret, ai->ah->howToVisitObj(h, obj));
			}
		}
	}

	if(ai->canRecruitAnyHero() && ai->ah->freeGold() > GameConstants::HERO_GOLD_COST) //this is not stupid in early phase of game
	{
		if(auto t = ai->findTownWithTavern())
		{
			for(auto h : cb->getAvailableHeroes(t)) //we assume that all towns have same set of heroes
			{
				if(h && h->getTotalStrength() > 500) //do not buy heroes with single creatures for GatherArmy
				{
					ret.push_back(sptr(RecruitHero()));
					break;
				}
			}
		}
	}

	if(ret.empty())
	{
		const bool allowGatherArmy = false;

		if(hero == ai->primaryHero())
			ret.push_back(sptr(Explore(allowGatherArmy)));
		else
			throw cannotFulfillGoalException("No ways to gather army");
	}

	return ret;
}