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- /*
- * AIUtility.cpp, part of VCMI engine
- *
- * Authors: listed in file AUTHORS in main folder
- *
- * License: GNU General Public License v2.0 or later
- * Full text of license available in license.txt file, in main folder
- *
- */
- #include "StdInc.h"
- #include "AIUtility.h"
- #include "VCAI.h"
- #include "FuzzyHelper.h"
- #include "Goals/Goals.h"
- #include "../../lib/UnlockGuard.h"
- #include "../../lib/CConfigHandler.h"
- #include "../../lib/CHeroHandler.h"
- #include "../../lib/mapObjects/CBank.h"
- #include "../../lib/mapObjects/CGTownInstance.h"
- #include "../../lib/mapObjects/CQuest.h"
- #include "../../lib/mapping/CMapDefines.h"
- extern boost::thread_specific_ptr<CCallback> cb;
- extern boost::thread_specific_ptr<VCAI> ai;
- extern FuzzyHelper * fh;
- //extern static const int3 dirs[8];
- const CGObjectInstance * ObjectIdRef::operator->() const
- {
- return cb->getObj(id, false);
- }
- ObjectIdRef::operator const CGObjectInstance *() const
- {
- return cb->getObj(id, false);
- }
- ObjectIdRef::operator bool() const
- {
- return cb->getObj(id, false);
- }
- ObjectIdRef::ObjectIdRef(ObjectInstanceID _id)
- : id(_id)
- {
- }
- ObjectIdRef::ObjectIdRef(const CGObjectInstance * obj)
- : id(obj->id)
- {
- }
- bool ObjectIdRef::operator<(const ObjectIdRef & rhs) const
- {
- return id < rhs.id;
- }
- HeroPtr::HeroPtr(const CGHeroInstance * H)
- {
- if(!H)
- {
- //init from nullptr should equal to default init
- *this = HeroPtr();
- return;
- }
- h = H;
- name = h->getNameTranslated();
- hid = H->id;
- // infosCount[ai->playerID][hid]++;
- }
- HeroPtr::HeroPtr()
- {
- h = nullptr;
- hid = ObjectInstanceID();
- }
- HeroPtr::~HeroPtr()
- {
- // if(hid >= 0)
- // infosCount[ai->playerID][hid]--;
- }
- bool HeroPtr::operator<(const HeroPtr & rhs) const
- {
- return hid < rhs.hid;
- }
- const CGHeroInstance * HeroPtr::get(bool doWeExpectNull) const
- {
- //TODO? check if these all assertions every time we get info about hero affect efficiency
- //
- //behave terribly when attempting unauthorized access to hero that is not ours (or was lost)
- assert(doWeExpectNull || h);
- if(h)
- {
- auto obj = cb->getObj(hid);
- const bool owned = obj && obj->tempOwner == ai->playerID;
- if(doWeExpectNull && !owned)
- {
- return nullptr;
- }
- else
- {
- assert(obj);
- assert(owned);
- }
- }
- return h;
- }
- const CGHeroInstance * HeroPtr::operator->() const
- {
- return get();
- }
- bool HeroPtr::validAndSet() const
- {
- return get(true);
- }
- const CGHeroInstance * HeroPtr::operator*() const
- {
- return get();
- }
- bool HeroPtr::operator==(const HeroPtr & rhs) const
- {
- return h == rhs.get(true);
- }
- bool CDistanceSorter::operator()(const CGObjectInstance * lhs, const CGObjectInstance * rhs) const
- {
- const CGPathNode * ln = ai->myCb->getPathsInfo(hero)->getPathInfo(lhs->visitablePos());
- const CGPathNode * rn = ai->myCb->getPathsInfo(hero)->getPathInfo(rhs->visitablePos());
- return ln->getCost() < rn->getCost();
- }
- bool isSafeToVisit(HeroPtr h, crint3 tile)
- {
- return isSafeToVisit(h, fh->evaluateDanger(tile, h.get()));
- }
- bool isSafeToVisit(HeroPtr h, uint64_t dangerStrength)
- {
- const ui64 heroStrength = h->getTotalStrength();
- if(dangerStrength)
- {
- return heroStrength / SAFE_ATTACK_CONSTANT > dangerStrength;
- }
- return true; //there's no danger
- }
- bool isObjectRemovable(const CGObjectInstance * obj)
- {
- //FIXME: move logic to object property!
- switch (obj->ID)
- {
- case Obj::MONSTER:
- case Obj::RESOURCE:
- case Obj::CAMPFIRE:
- case Obj::TREASURE_CHEST:
- case Obj::ARTIFACT:
- case Obj::BORDERGUARD:
- case Obj::FLOTSAM:
- case Obj::PANDORAS_BOX:
- case Obj::OCEAN_BOTTLE:
- case Obj::SEA_CHEST:
- case Obj::SHIPWRECK_SURVIVOR:
- case Obj::SPELL_SCROLL:
- return true;
- break;
- default:
- return false;
- break;
- }
- }
- bool canBeEmbarkmentPoint(const TerrainTile * t, bool fromWater)
- {
- // TODO: Such information should be provided by pathfinder
- // Tile must be free or with unoccupied boat
- if(!t->blocked)
- {
- return true;
- }
- else if(!fromWater) // do not try to board when in water sector
- {
- if(t->visitableObjects.size() == 1 && t->topVisitableId() == Obj::BOAT)
- return true;
- }
- return false;
- }
- bool isBlockedBorderGate(int3 tileToHit) //TODO: is that function needed? should be handled by pathfinder
- {
- if(cb->getTile(tileToHit)->topVisitableId() != Obj::BORDER_GATE)
- return false;
- auto gate = dynamic_cast<const CGKeys *>(cb->getTile(tileToHit)->topVisitableObj());
- return !gate->passableFor(ai->playerID);
- }
- bool isBlockVisitObj(const int3 & pos)
- {
- if(auto obj = cb->getTopObj(pos))
- {
- if(obj->isBlockedVisitable()) //we can't stand on that object
- return true;
- }
- return false;
- }
- creInfo infoFromDC(const dwellingContent & dc)
- {
- creInfo ci;
- ci.count = dc.first;
- ci.creID = dc.second.size() ? dc.second.back() : CreatureID(-1); //should never be accessed
- if (ci.creID != -1)
- {
- ci.cre = VLC->creatures()->getById(ci.creID);
- ci.level = ci.cre->getLevel(); //this is creature tier, while tryRealize expects dwelling level. Ignore.
- }
- else
- {
- ci.cre = nullptr;
- ci.level = 0;
- }
- return ci;
- }
- bool compareHeroStrength(HeroPtr h1, HeroPtr h2)
- {
- return h1->getTotalStrength() < h2->getTotalStrength();
- }
- bool compareArmyStrength(const CArmedInstance * a1, const CArmedInstance * a2)
- {
- return a1->getArmyStrength() < a2->getArmyStrength();
- }
- bool compareArtifacts(const CArtifactInstance * a1, const CArtifactInstance * a2)
- {
- auto art1 = a1->artType;
- auto art2 = a2->artType;
- if(art1->price == art2->price)
- return art1->valOfBonuses(BonusType::PRIMARY_SKILL) > art2->valOfBonuses(BonusType::PRIMARY_SKILL);
- else
- return art1->price > art2->price;
- }
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