- Fixed unserialized GrowingArtifact, causing crash

- An attempt to teach AI completing quests
- Gathering army is now continuous, abstract goal
- Lots of fixes and tweaks in AI

AI/VCAI/VCAI.cpp

@@ -398,6 +398,11 @@ ui64 evaluateDanger(const CGObjectInstance *obj)
 			const CGDwelling *d = dynamic_cast<const CGDwelling*>(obj);
 			return d->getArmyStrength();
 		}
+	case Obj::MINE:
+		{
+			const CArmedInstance * a = dynamic_cast<const CArmedInstance*>(obj);
+			return a->getArmyStrength();
+		}
 	case Obj::CRYPT: //crypt
 	case Obj::CREATURE_BANK: //crebank
 	case Obj::DRAGON_UTOPIA:
@@ -959,9 +964,10 @@ void VCAI::makeTurn()
 						++dangerousObjects;
 					}
 				}
-				if (dangerousObjects && totalDanger / dangerousObjects > h->getHeroStrength())
+				ui64 averageDanger = totalDanger / dangerousObjects;
+				if (dangerousObjects && averageDanger > h->getHeroStrength())
 				{
-					setGoal (h, CGoal(GATHER_ARMY).sethero(h));
+					setGoal (h, CGoal(GATHER_ARMY).sethero(h).setvalue(averageDanger * SAFE_ATTACK_CONSTANT).setisAbstract(true));
 				}
 			}
 		}
@@ -1025,6 +1031,12 @@ void VCAI::makeTurnInternal()
 			safeCopy.erase(it);
 		}
 
+		auto quests = myCb->getMyQuests();
+		BOOST_FOREACH (auto quest, quests)
+		{
+			striveToQuest (quest); 
+		}
+
 		striveToGoal(CGoal(BUILD)); //TODO: smarter building management
 	}
 	catch(boost::thread_interrupted &e)
@@ -1053,9 +1065,11 @@ void VCAI::performObjectInteraction(const CGObjectInstance * obj, HeroPtr h)
 	{
 		case Obj::CREATURE_GENERATOR1:
 			recruitCreatures (dynamic_cast<const CGDwelling *>(obj));
+			checkHeroArmy (h);
 			break;
 		case GameConstants::TOWNI_TYPE:
 			moveCreaturesToHero (dynamic_cast<const CGTownInstance *>(obj));
+			townVisitsThisWeek[h].push_back(h->visitedTown);
 			break;
 		break;
 	}
@@ -1102,6 +1116,12 @@ void VCAI::pickBestCreatures(const CArmedInstance * army, const CArmedInstance *
 						cb->mergeOrSwapStacks(armyPtr, army, j, i);
 
 	//TODO - having now strongest possible army, we may want to think about arranging stacks
+
+	auto hero = dynamic_cast<const CGHeroInstance *>(army);
+	if (hero)
+	{
+		checkHeroArmy (hero);
+	}
 }
 
 void VCAI::recruitCreatures(const CGDwelling * d)
@@ -1769,7 +1789,7 @@ void VCAI::tryRealize(CGoal g)
 				}
 			}
 			else
-				throw cannotFulfillGoalException("There's a blocked gate!");
+				throw cannotFulfillGoalException("There's a blocked gate!"); //TODO: get keymaster tent
 		}
 		break;
 	case BUILD_STRUCTURE:
@@ -1817,7 +1837,7 @@ void VCAI::tryRealize(CGoal g)
 		}
 		break;
 
-	case COLLECT_RES:
+	case COLLECT_RES: //TODO: use piles and mines?
 		if(const CGObjectInstance *obj = cb->getObj(g.objid, false))
 		{
 			if(const IMarket *m = IMarket::castFrom(obj, false))
@@ -1851,7 +1871,7 @@ void VCAI::tryRealize(CGoal g)
 		throw cannotFulfillGoalException("I don't know how to fulfill this!");
 
 	case BUILD:
-		performTypicalActions();
+		performTypicalActions(); //TODO: separate build and wander
 		throw cannotFulfillGoalException("BUILD has been realized as much as possible.");
 
 	case INVALID:
@@ -1936,6 +1956,7 @@ void VCAI::striveToGoal(const CGoal &ultimateGoal)
 			catch(std::exception &e)
 			{
 				BNLOG("Goal %s decomposition failed: %s", goalName(goal.goalType) % e.what());
+				//setGoal (goal.hero, INVALID); //test: if we don't know how to realize goal, we should abandon it for now
 				return;
 			}
 		}
@@ -2005,6 +2026,7 @@ void VCAI::striveToGoal(const CGoal &ultimateGoal)
 				catch(std::exception &e)
 				{
 					BNLOG("Goal %s decomposition failed: %s", goalName(goal.goalType) % e.what());
+					//setGoal (goal.hero, INVALID);
 					return;
 				}
 			}
@@ -2036,6 +2058,108 @@ void VCAI::striveToGoal(const CGoal &ultimateGoal)
 	}
 }
 
+void VCAI::striveToQuest (const QuestInfo &q)
+{
+	if (q.quest && q.quest->progress < CQuest::COMPLETE)
+	{
+		MetaString ms;
+		q.quest->getRolloverText(ms, false);
+		BNLOG ("Trying to realize quest: %s\n", ms.toString());
+		switch (q.quest->missionType)
+		{
+			case CQuest::MISSION_ART:
+			{
+				BOOST_FOREACH (auto art, q.quest->m5arts)
+				{
+					striveToGoal (CGoal(GET_ART_TYPE).setaid(art)); //TODO: transport?
+				}
+				break;
+			}
+			case CQuest::MISSION_HERO:
+			{
+				//striveToGoal (CGoal(RECRUIT_HERO));
+				auto heroes = cb->getHeroesInfo();
+				BOOST_FOREACH (auto hero, heroes)
+				{
+					if (q.quest->checkQuest(hero))
+					{
+						striveToGoal (CGoal(GET_OBJ).setobjid(q.obj->id).sethero(hero));
+						break;
+					}
+				}
+				BNLOG ("Don't know how to recruit hero with id %d\n", q.quest->m13489val);
+				break;
+			}
+			case CQuest::MISSION_ARMY:
+			{
+				BOOST_FOREACH (auto creature, q.quest->m6creatures)
+				{
+					BNLOG ("Don't know how to recruit %d of %s\n", (int)(creature.count) % creature.type->namePl);
+				}
+				break;
+			}
+			case CQuest::MISSION_RESOURCES:
+			{
+				for (int i = 0; i < q.quest->m7resources.size(); ++i)
+				{
+					if (q.quest->m7resources[i])
+						striveToGoal (CGoal(COLLECT_RES).setresID(i).setvalue(q.quest->m7resources[i]));
+					//TODO: visit object
+				}
+				break;
+			}
+			case CQuest::MISSION_KILL_HERO:
+			case CQuest::MISSION_KILL_CREATURE:
+			{
+				striveToGoal (CGoal(GET_OBJ).setobjid(q.quest->m13489val));
+				break;
+			}
+			case CQuest::MISSION_PRIMARY_STAT:
+			{
+				auto heroes = cb->getHeroesInfo();
+				BOOST_FOREACH (auto hero, heroes)
+				{
+					if (q.quest->checkQuest(hero))
+					{
+						striveToGoal (CGoal(GET_OBJ).setobjid(q.obj->id).sethero(hero));
+						break;
+					}
+				}
+				for (int i = 0; i < q.quest->m2stats.size(); ++i)
+				{
+					BNLOG ("Don't know how to increase primary stat %d\n", i);
+				}
+				break;
+			}
+			case CQuest::MISSION_LEVEL:
+			{
+				auto heroes = cb->getHeroesInfo();
+				BOOST_FOREACH (auto hero, heroes)
+				{
+					if (q.quest->checkQuest(hero))
+					{
+						striveToGoal (CGoal(GET_OBJ).setobjid(q.obj->id).sethero(hero));
+						break;
+					}
+				}
+				BNLOG ("Don't know how to reach hero level %d\n", q.quest->m13489val);
+				break;
+			}
+			case CQuest::MISSION_PLAYER:
+			{
+				if (playerID != q.quest->m13489val)
+					BNLOG ("Can't be player of color %d\n", q.quest->m13489val);
+				break;
+			}
+			case CQuest::MISSION_KEYMASTER:
+			{
+				striveToGoal (CGoal(FIND_OBJ).setobjid(Obj::KEYMASTER).setresID(q.quest->m13489val));
+				break;
+			}
+		}
+	}
+}
+
 void VCAI::performTypicalActions()
 {
 	BOOST_FOREACH(const CGTownInstance *t, cb->getTownsInfo())
@@ -2188,6 +2312,16 @@ bool VCAI::containsSavedRes(const TResources &cost) const
 	return false;
 }
 
+void VCAI::checkHeroArmy (HeroPtr h)
+{
+	auto it = lockedHeroes.find(h);
+	if (it != lockedHeroes.end())
+	{
+		if (it->second.goalType == GATHER_ARMY && it->second.value <= h->getArmyStrength())
+			completeGoal(CGoal (GATHER_ARMY).sethero(h));
+	}
+}
+
 void VCAI::recruitHero(const CGTownInstance * t)
 {
 	BNLOG("Trying to recruit a hero in %s at %s", t->name % t->visitablePos())
@@ -2477,7 +2611,7 @@ TSubgoal CGoal::whatToDoToAchieve()
 					if(ratio > 0.99)
 					{
 						return CGoal(DIG_AT_TILE).settile(grailPos);
-					}
+					} //TODO: use FIND_OBJ
 					else if(const CGObjectInstance * obj = ai->getUnvisitedObj(objWithID<Obj::OBELISK>)) //there are unvisited Obelisks
 					{
 						return CGoal(GET_OBJ).setobjid(obj->id);
@@ -2508,6 +2642,35 @@ TSubgoal CGoal::whatToDoToAchieve()
 			}
 		}
 		break;
+	case FIND_OBJ:
+		{
+			const CGObjectInstance * o = NULL;
+			if (resID > -1) //specified
+			{
+				BOOST_FOREACH(const CGObjectInstance *obj, ai->visitableObjs)
+				{
+					if(obj->ID == objid && obj->subID == resID)
+					{
+						o = obj;
+						break; //TODO: consider multiple objects and choose best
+					}
+				}
+			}
+			else
+			BOOST_FOREACH(const CGObjectInstance *obj, ai->visitableObjs)
+			{
+				if(obj->ID == objid)
+				{
+					o = obj;
+					break; //TODO: consider multiple objects and choose best
+				}
+			}
+			if (o)
+				return CGoal(GET_OBJ).setobjid(o->id);
+			else
+				return CGoal(EXPLORE);
+		}
+		break;
 	case GET_OBJ:
 		{
 			const CGObjectInstance * obj = cb->getObj(objid);
@@ -2519,17 +2682,9 @@ TSubgoal CGoal::whatToDoToAchieve()
 		break;
 	case GET_ART_TYPE:
 		{
-			const CGObjectInstance *artInst = ai->lookForArt(aid);
-			if(!artInst)
-			{
-				TSubgoal alternativeWay = CGoal::lookForArtSmart(aid);
+			TSubgoal alternativeWay = CGoal::lookForArtSmart(aid); //TODO: use
 			if(alternativeWay.invalid())
-					return CGoal(EXPLORE);
-				else
-					return alternativeWay;
-			}
-			else
-				return CGoal(GET_OBJ).setobjid(artInst->id);
+				return CGoal(FIND_OBJ).setobjid(Obj::ARTIFACT).setresID(aid);
 		}
 		break;
 	case CLEAR_WAY_TO:
@@ -2571,7 +2726,7 @@ TSubgoal CGoal::whatToDoToAchieve()
 				throw cannotFulfillGoalException(problem);
 			}
 
-			return CGoal(VISIT_TILE).settile(tileToHit).sethero(h);
+			return CGoal(VISIT_TILE).settile(tileToHit).sethero(h); //FIXME:: attempts to visit completely unreachable tile with hero results in stall
 
 			//TODO czy istnieje lepsza droga?
 
@@ -2665,7 +2820,7 @@ TSubgoal CGoal::whatToDoToAchieve()
 					return CGoal(*this).setisElementar(true);
 				else
 				{
-					return CGoal(GATHER_ARMY).sethero(hero);
+					return CGoal(GATHER_ARMY).sethero(hero).setvalue(evaluateDanger(tile, *hero) * SAFE_ATTACK_CONSTANT); //TODO: should it be abstract?
 				}
 			}
 			else	//inaccessible for all heroes
@@ -2837,7 +2992,7 @@ TSubgoal CGoal::whatToDoToAchieve()
 			{
 				if(!t->visitingHero && howManyReinforcementsCanGet(hero,t))
 				{
-					if(isReachable(t))
+					if(isReachable(t) && !vstd::contains (ai->townVisitsThisWeek[hero], t))
 						townsReachable.push_back(t);
 				}
 			}
@@ -3030,6 +3185,10 @@ bool isWeeklyRevisitable (const CGObjectInstance * obj)
 	{
 		case Obj::STABLES: //any other potential visitable objects?
 			return true;
+		case Obj::BORDER_GATE:
+		case Obj::BORDERGUARD:
+			return (dynamic_cast <const CGKeys *>(obj))->wasMyColorVisited (ai->playerID); //FIXME: they could be revisited sooner than in a week 
+			break;
 	}
 	return false;
 }
@@ -3038,6 +3197,21 @@ bool shouldVisit(HeroPtr h, const CGObjectInstance * obj)
 {
 	switch (obj->ID)
 	{
+		case Obj::SEER_HUT:
+		{
+			BOOST_FOREACH (auto q, ai->myCb->getMyQuests())
+			{
+				if (q.obj = obj)
+				{
+					if (q.quest->checkQuest(*h))
+						return true; //we completed the quest
+					else
+						return false; //we can't complete this quest
+				}
+				return true; //we don't have this quest yet
+
+			}
+		}
 		case Obj::CREATURE_GENERATOR1:
 		{
 			if (obj->tempOwner != h->tempOwner)

AI/VCAI/VCAI.h

@@ -76,6 +76,7 @@ enum EGoals
 
 	OBJECT_GOALS_BEGIN,
 	GET_OBJ, //visit or defeat or collect the object
+	FIND_OBJ, //find and visit any obj with objid + resid //TODO: consider universal subid for various types (aid, bid)
 
 	GET_ART_TYPE,
 
@@ -115,8 +116,10 @@ struct CGoal
 		priority = 0;
 		isElementar = false;
 		isAbstract = false;
+		value = 0;
 		objid = -1;
 		aid = -1;
+		resID = -1;
 		tile = int3(-1, -1, -1);
 		town = NULL;
 	}
@@ -319,6 +322,7 @@ public:
 	void setGoal(HeroPtr h, const CGoal goal);
 	void setGoal(HeroPtr h, EGoals goalType = INVALID);
 	void completeGoal (const CGoal goal); //safely removes goal from reserved hero
+	void striveToQuest (const QuestInfo &q); 
 
 	void recruitHero(const CGTownInstance * t);
 	std::vector<const CGObjectInstance *> getPossibleDestinations(HeroPtr h);
@@ -356,6 +360,7 @@ public:
 	HeroPtr primaryHero() const;
 	TResources estimateIncome() const;
 	bool containsSavedRes(const TResources &cost) const;
+	void checkHeroArmy (HeroPtr h);
 
 	void requestSent(const CPackForServer *pack, int requestID) OVERRIDE;
 	void answerQuery(int queryID, int selection);

lib/CObjectHandler.cpp

@@ -4539,10 +4539,10 @@ void CGSeerHut::onHeroVisit( const CGHeroInstance * h ) const
 		if (firstVisit) 
 		{
 			isCustom = isCustomFirst;
-			cb->setObjProperty (id, 10, 1);
+			cb->setObjProperty (id, 10, IN_PROGRESS);
 
 			AddQuest aq;
-			aq.quest = QuestInfo (this, this, pos);
+			aq.quest = QuestInfo (this, this, visitablePos());
 			aq.player = h->tempOwner;
 			cb->sendAndApply (&aq); //TODO: merge with setObjProperty?
 		}
@@ -4632,7 +4632,8 @@ void CGSeerHut::finishQuest(const CGHeroInstance * h, ui32 accept) const
 			default:
 				break;
 		}
-		cb->setObjProperty(id,11,0); //no more mission available	
+		cb->setObjProperty (id, 10, COMPLETE); //mission complete - for AI
+		cb->setObjProperty (id, 11, 0); //no more mission available - redundant?
 		completeQuest(h); //make sure to remove QuestQuard at the very end	
 	}
 }
@@ -6344,7 +6345,7 @@ void CGBorderGuard::onHeroVisit( const CGHeroInstance * h ) const
 		cb->showInfoDialog (&iw);
 
 		AddQuest aq;
-		aq.quest = QuestInfo (this, this, pos);
+		aq.quest = QuestInfo (this, this, visitablePos());
 		aq.player = h->tempOwner;
 		cb->sendAndApply (&aq);
 		//TODO: add this quest only once OR check for multiple instances later
@@ -6367,7 +6368,7 @@ void CGBorderGate::onHeroVisit( const CGHeroInstance * h ) const //TODO: passabi
 		cb->showInfoDialog(&iw);
 
 		AddQuest aq;
-		aq.quest = QuestInfo (this, this, pos);
+		aq.quest = QuestInfo (this, this, visitablePos());
 		aq.player = h->tempOwner;
 		cb->sendAndApply (&aq);
 	}

lib/CObjectHandler.h

@@ -59,6 +59,7 @@ class DLL_LINKAGE CQuest
 public:
 	enum Emission {MISSION_NONE = 0, MISSION_LEVEL = 1, MISSION_PRIMARY_STAT = 2, MISSION_KILL_HERO = 3, MISSION_KILL_CREATURE = 4,
 		MISSION_ART = 5, MISSION_ARMY = 6, MISSION_RESOURCES = 7, MISSION_HERO = 8, MISSION_PLAYER = 9, MISSION_KEYMASTER = 10};
+	enum Eprogress {NOT_ACTIVE, IN_PROGRESS, COMPLETE};
 
 	si32 qid; //unique quets id for serialization / identification
 
@@ -69,7 +70,7 @@ public:
 	std::vector<ui32> m2stats;
 	std::vector<ui16> m5arts; //artifacts id
 	std::vector<CStackBasicDescriptor> m6creatures; //pair[cre id, cre count], CreatureSet info irrelevant
-	std::vector<ui32> m7resources;
+	std::vector<ui32> m7resources; //TODO: use resourceset?
 
 	//following field are used only for kill creature/hero missions, the original objects became inaccessible after their removal, so we need to store info needed for messages / hover text
 	ui8 textOption;

lib/GameConstants.h

@@ -185,7 +185,9 @@ namespace Obj
 {
 	enum
 	{
+		ARTIFACT = 5,
 		BOAT = 8,
+		BORDERGUARD = 9,
 		KEYMASTER = 10,
 		CREATURE_BANK = 16,
 		CREATURE_GENERATOR1 = 17,
@@ -203,6 +205,7 @@ namespace Obj
 		MONSTER = 54,
 		OBELISK = 57,
 		PYRAMID = 63,
+		SEER_HUT = 83,
 		CRYPT = 84,
 		SHIPWRECK = 85,
 		STABLES = 94,

lib/RegisterTypes.h

@@ -84,6 +84,7 @@ void registerTypes1(Serializer &s)
 
 	s.template registerType<CBonusSystemNode>();
 	s.template registerType<CArtifact>();
+	s.template registerType<CGrowingArtifact>();
 	s.template registerType<CCreature>();
 	s.template registerType<CStackInstance>();
 	s.template registerType<CCommanderInstance>();