vcmi/lib/CGameState.cpp

#include "StdInc.h"
#include "CGameState.h"

#include <boost/random/linear_congruential.hpp>
#include "Mapping/CCampaignHandler.h"
#include "CDefObjInfoHandler.h"
#include "CArtHandler.h"
#include "CBuildingHandler.h"
#include "CGeneralTextHandler.h"
#include "CTownHandler.h"
#include "CSpellHandler.h"
#include "CHeroHandler.h"
#include "CObjectHandler.h"
#include "CCreatureHandler.h"
#include "CModHandler.h"
#include "VCMI_Lib.h"
#include "Connection.h"
#include "Mapping/CMap.h"
#include "Mapping/CMapService.h"
#include "StartInfo.h"
#include "NetPacks.h"
#include "RegisterTypes.h"
#include "Mapping/CMapInfo.h"
#include "BattleState.h"
#include "JsonNode.h"
#include "Filesystem/CResourceLoader.h"
#include "GameConstants.h"
#include "RMG/CMapGenOptions.h"

DLL_LINKAGE boost::rand48 ran;
class CGObjectInstance;

#ifdef min
#undef min
#endif
#ifdef max
#undef max
#endif

/*
 * CGameState.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
 *
 */

void foofoofoo()
{
	//never called function to force instantation of templates
	int *ccc = NULL;
	registerTypes((CISer<CConnection>&)*ccc);
	registerTypes((COSer<CConnection>&)*ccc);
	registerTypes((CSaveFile&)*ccc);
	registerTypes((CLoadFile&)*ccc);
	registerTypes((CTypeList&)*ccc);
}

template <typename T> class CApplyOnGS;

class CBaseForGSApply
{
public:
	virtual void applyOnGS(CGameState *gs, void *pack) const =0;
	virtual ~CBaseForGSApply(){};
	template<typename U> static CBaseForGSApply *getApplier(const U * t=NULL)
	{
		return new CApplyOnGS<U>;
	}
};

template <typename T> class CApplyOnGS : public CBaseForGSApply
{
public:
	void applyOnGS(CGameState *gs, void *pack) const
	{
		T *ptr = static_cast<T*>(pack);

		boost::unique_lock<boost::shared_mutex> lock(*gs->mx);
		ptr->applyGs(gs);
	}
};

static CApplier<CBaseForGSApply> *applierGs = NULL;

class IObjectCaller
{
public:
	virtual ~IObjectCaller(){};
	virtual void preInit()=0;
	virtual void postInit()=0;
};

template <typename T>
class CObjectCaller : public IObjectCaller
{
public:
	void preInit()
	{
		//T::preInit();
	}
	void postInit()
	{
		//T::postInit();
	}
};

class CObjectCallersHandler
{
public:
	std::vector<IObjectCaller*> apps;

	template<typename T> void registerType(const T * t=NULL)
	{
		apps.push_back(new CObjectCaller<T>);
	}

	CObjectCallersHandler()
	{
		registerTypes1(*this);
	}

	~CObjectCallersHandler()
	{
		for (size_t i = 0; i < apps.size(); i++)
			delete apps[i];
	}

	void preInit()
	{
// 		for (size_t i = 0; i < apps.size(); i++)
// 			apps[i]->preInit();
	}

	void postInit()
	{
	//for (size_t i = 0; i < apps.size(); i++)
	//apps[i]->postInit();
	}
} *objCaller = NULL;

void MetaString::getLocalString(const std::pair<ui8,ui32> &txt, std::string &dst) const
{
	int type = txt.first, ser = txt.second;

	if(type == ART_NAMES)
	{
		dst = VLC->arth->artifacts[ser]->Name();
	}
	else if(type == CRE_PL_NAMES)
	{
		dst = VLC->creh->creatures[ser]->namePl;
	}
	else if(type == MINE_NAMES)
	{
		dst = VLC->generaltexth->mines[ser].first;
	}
	else if(type == MINE_EVNTS)
	{
		dst = VLC->generaltexth->mines[ser].second;
	}
	else if(type == SPELL_NAME)
	{
		dst = VLC->spellh->spells[ser]->name;
	}
	else if(type == CRE_SING_NAMES)
	{
		dst = VLC->creh->creatures[ser]->nameSing;
	}
	else if(type == ART_DESCR)
	{
		dst = VLC->arth->artifacts[ser]->Description();
	}
	else if (type == ART_EVNTS)
	{
		dst = VLC->arth->artifacts[ser]->EventText(); 
	}
	else
	{
		std::vector<std::string> *vec;
		switch(type)
		{
		case GENERAL_TXT:
			vec = &VLC->generaltexth->allTexts;
			break;
		case XTRAINFO_TXT:
			vec = &VLC->generaltexth->xtrainfo;
			break;
		case OBJ_NAMES:
			vec = &VLC->generaltexth->names;
			break;
		case RES_NAMES:
			vec = &VLC->generaltexth->restypes;
			break;
		case ARRAY_TXT:
			vec = &VLC->generaltexth->arraytxt;
			break;
		case CREGENS:
			vec = &VLC->generaltexth->creGens;
			break;
		case CREGENS4:
			vec = &VLC->generaltexth->creGens4;
			break;
		case ADVOB_TXT:
			vec = &VLC->generaltexth->advobtxt;
			break;
		case SEC_SKILL_NAME:
			vec = &VLC->generaltexth->skillName;
			break;
		case COLOR:
			vec = &VLC->generaltexth->capColors;
			break;
		default:
			tlog1 << "Failed string substitution because type is " << type << std::endl;
			dst = "#@#";
			return;
		}
		if(vec->size() <= ser)
		{
			tlog1 << "Failed string substitution with type " << type << " because index " << ser << " is out of bounds!\n";
			dst = "#!#";
		}
		else
			dst = (*vec)[ser];
	}
}

DLL_LINKAGE void MetaString::toString(std::string &dst) const
{
	size_t exSt = 0, loSt = 0, nums = 0;
	dst.clear();

	for(size_t i=0;i<message.size();++i)
	{//TEXACT_STRING, TLOCAL_STRING, TNUMBER, TREPLACE_ESTRING, TREPLACE_LSTRING, TREPLACE_NUMBER
		switch(message[i])
		{
		case TEXACT_STRING:
			dst += exactStrings[exSt++];
			break;
		case TLOCAL_STRING:
			{
				std::string hlp;
				getLocalString(localStrings[loSt++], hlp);
				dst += hlp;
			}
			break;
		case TNUMBER:
			dst += boost::lexical_cast<std::string>(numbers[nums++]);
			break;
		case TREPLACE_ESTRING:
			boost::replace_first(dst, "%s", exactStrings[exSt++]);
			break;
		case TREPLACE_LSTRING:
			{
				std::string hlp;
				getLocalString(localStrings[loSt++], hlp);
				boost::replace_first(dst, "%s", hlp);
			}
			break;
		case TREPLACE_NUMBER:
			boost::replace_first(dst, "%d", boost::lexical_cast<std::string>(numbers[nums++]));
			break;
		case TREPLACE_PLUSNUMBER:
			boost::replace_first(dst, "%+d", '+' + boost::lexical_cast<std::string>(numbers[nums++]));
			break;
		default:
			tlog1 << "MetaString processing error!\n";
			break;
		}
	}
}

DLL_LINKAGE std::string MetaString::toString() const
{
	std::string ret;
	toString(ret);
	return ret;
}

DLL_LINKAGE std::string MetaString::buildList () const
///used to handle loot from creature bank
{

	size_t exSt = 0, loSt = 0, nums = 0;
	std::string lista;
	for (int i = 0; i < message.size(); ++i)
	{
		if (i > 0 && (message[i] == TEXACT_STRING || message[i] == TLOCAL_STRING))
		{
			if (exSt == exactStrings.size() - 1)
				lista += VLC->generaltexth->allTexts[141]; //" and "
			else
				lista += ", ";
		}
		switch (message[i])
		{
			case TEXACT_STRING:
				lista += exactStrings[exSt++];
				break;
			case TLOCAL_STRING:
			{
				std::string hlp;
				getLocalString (localStrings[loSt++], hlp);
				lista += hlp;
			}
				break;
			case TNUMBER:
				lista += boost::lexical_cast<std::string>(numbers[nums++]);
				break;
			case TREPLACE_ESTRING:
				lista.replace (lista.find("%s"), 2, exactStrings[exSt++]);
				break;
			case TREPLACE_LSTRING:
			{
				std::string hlp;
				getLocalString (localStrings[loSt++], hlp);
				lista.replace (lista.find("%s"), 2, hlp);
			}
				break;
			case TREPLACE_NUMBER:
				lista.replace (lista.find("%d"), 2, boost::lexical_cast<std::string>(numbers[nums++]));
				break;
			default:
				tlog1 << "MetaString processing error!\n";
		}

	}
	return lista;
}


void  MetaString::addCreReplacement(TCreature id, TQuantity count) //adds sing or plural name;
{
	if (!count)
		addReplacement (CRE_PL_NAMES, id); //no creatures - just empty name (eg. defeat Angels)
	else if (count == 1)
		addReplacement (CRE_SING_NAMES, id);
	else
		addReplacement (CRE_PL_NAMES, id);
}

void MetaString::addReplacement(const CStackBasicDescriptor &stack)
{
	assert(stack.type); //valid type
	addCreReplacement(stack.type->idNumber, stack.count);
}

static CGObjectInstance * createObject(int id, int subid, int3 pos, int owner)
{
	CGObjectInstance * nobj;
	switch(id)
	{
	case Obj::HERO:
		{
			CGHeroInstance * nobj = new CGHeroInstance();
			nobj->pos = pos;
			nobj->tempOwner = owner;
			nobj->subID = subid;
			//nobj->initHero(ran);
			return nobj;
		}
	case Obj::TOWN:
		nobj = new CGTownInstance;
		break;
	default: //rest of objects
		nobj = new CGObjectInstance;
		nobj->defInfo = VLC->dobjinfo->gobjs[id][subid];
		break;
	}
	nobj->ID = id;
	nobj->subID = subid;
	if(!nobj->defInfo)
		tlog3 <<"No def declaration for " <<id <<" "<<subid<<std::endl;
	nobj->pos = pos;
	//nobj->state = NULL;//new CLuaObjectScript();
	nobj->tempOwner = owner;
	nobj->defInfo->id = id;
	nobj->defInfo->subid = subid;

	//assigning defhandler
	if(nobj->ID==Obj::HERO || nobj->ID==Obj::TOWN)
		return nobj;
	nobj->defInfo = VLC->dobjinfo->gobjs[id][subid];
	return nobj;
}

CGHeroInstance * CGameState::HeroesPool::pickHeroFor(bool native, TPlayerColor player, const CTown *town, bmap<ui32, ConstTransitivePtr<CGHeroInstance> > &available, const CHeroClass *bannedClass /*= NULL*/) const
{
	CGHeroInstance *ret = NULL;

	if(player>=GameConstants::PLAYER_LIMIT)
	{
		tlog1 << "Cannot pick hero for " << town->typeID << ". Wrong owner!\n";
		return NULL;
	}

	std::vector<CGHeroInstance *> pool;

	if(native)
	{
		for(auto i=available.begin(); i!=available.end(); i++)
		{
			if(pavailable.find(i->first)->second & 1<<player
				&& i->second->type->heroClass->faction == town->typeID)
			{
				pool.push_back(i->second); //get all available heroes
			}
		}
		if(!pool.size())
		{
			tlog1 << "Cannot pick native hero for " << int(player) << ". Picking any...\n";
			return pickHeroFor(false, player, town, available);
		}
		else
		{
			ret = pool[rand()%pool.size()];
		}
	}
	else
	{
		int sum=0, r;

		for(auto i=available.begin(); i!=available.end(); i++)
		{
			if ((!bannedClass && (pavailable.find(i->first)->second & (1<<player))) ||
				i->second->type->heroClass != bannedClass)
			{
				pool.push_back(i->second);
				sum += i->second->type->heroClass->selectionProbability[town->typeID]; //total weight
			}
		}
		if(!pool.size() || sum == 0)
		{
			tlog1 << "There are no heroes available for player " << player<<"!\n";
			return nullptr;
		}

		r = rand()%sum;
		for (ui32 i=0; i<pool.size(); i++)
		{
			r -= pool[i]->type->heroClass->selectionProbability[town->typeID];
			if(r < 0)
			{
				ret = pool[i];
				break;
			}
		}
		if(!ret)
			ret = pool.back();
	}

	available.erase(ret->subID);
	return ret;
}



//void CGameState::apply(CPack * pack)
//{
//	while(!mx->try_lock())
//		boost::this_thread::sleep(boost::posix_time::milliseconds(50)); //give other threads time to finish
//	//applyNL(pack);
//	mx->unlock();
//}
int CGameState::pickHero(int owner)
{
	int h=-1;
	const PlayerSettings &ps = scenarioOps->getIthPlayersSettings(owner);
    if(!map->getHero(h = ps.hero)  &&  h>=0) //we haven't used selected hero
		return h;

	if(scenarioOps->mode == StartInfo::CAMPAIGN)
	{
		auto bonus = scenarioOps->campState->getBonusForCurrentMap();
		if(bonus.is_initialized() && bonus->type == CScenarioTravel::STravelBonus::HERO && owner == bonus->info1)
		{
			if(bonus->info2 != 0xffff && !map->getHero(bonus->info2)) //not random and not taken
			{
				return bonus->info2;
			}
		}
	}

	//list of heroes for this faction
	std::vector<si32> factionHeroes;
	factionHeroes.reserve(GameConstants::HEROES_PER_TYPE*2);

	size_t firstHero = ps.castle*GameConstants::HEROES_PER_TYPE*2;
	size_t lastHero  = std::min(firstHero + GameConstants::HEROES_PER_TYPE*2, VLC->heroh->heroes.size());

	//generate list of heroes
	for (si32 i=firstHero; i<lastHero; i++)
		factionHeroes.push_back(i);
	// we need random order to select hero
	std::random_shuffle(factionHeroes.begin(), factionHeroes.end(), [](size_t range)
	{
		return ran() % range;
	});

	for (size_t i=0; i<factionHeroes.size(); i++)
	{
		if (!map->getHero(factionHeroes[i]))
			return factionHeroes[i];
	}

	tlog3 << "Warning: cannot find free hero - trying to get first available..."<<std::endl;
	for(int j=0; j<VLC->heroh->heroes.size(); j++)
		if(!map->getHero(j))
			return j;

	assert(0); //currrent code can't handle this situation
	return -1; // no available heroes at all
}


std::pair<int,int> CGameState::pickObject (CGObjectInstance *obj)
{
	switch(obj->ID)
	{
	case Obj::RANDOM_ART:
		return std::pair<int,int>(Obj::ARTIFACT, VLC->arth->getRandomArt (CArtifact::ART_TREASURE | CArtifact::ART_MINOR | CArtifact::ART_MAJOR | CArtifact::ART_RELIC));
	case Obj::RANDOM_TREASURE_ART: 
		return std::pair<int,int>(Obj::ARTIFACT, VLC->arth->getRandomArt (CArtifact::ART_TREASURE));
	case Obj::RANDOM_MINOR_ART:
		return std::pair<int,int>(Obj::ARTIFACT, VLC->arth->getRandomArt (CArtifact::ART_MINOR));
	case Obj::RANDOM_MAJOR_ART:
		return std::pair<int,int>(Obj::ARTIFACT, VLC->arth->getRandomArt (CArtifact::ART_MAJOR));
	case Obj::RANDOM_RELIC_ART:
		return std::pair<int,int>(Obj::ARTIFACT, VLC->arth->getRandomArt (CArtifact::ART_RELIC));
	case Obj::RANDOM_HERO:
		return std::pair<int,int>(Obj::HERO, pickHero(obj->tempOwner));
	case Obj::RANDOM_MONSTER:
		return std::pair<int,int>(Obj::MONSTER, VLC->creh->pickRandomMonster(boost::ref(ran)));
	case Obj::RANDOM_MONSTER_L1:
		return std::pair<int,int>(Obj::MONSTER, VLC->creh->pickRandomMonster(boost::ref(ran), 1));
	case Obj::RANDOM_MONSTER_L2:
		return std::pair<int,int>(Obj::MONSTER, VLC->creh->pickRandomMonster(boost::ref(ran), 2));
	case Obj::RANDOM_MONSTER_L3:
		return std::pair<int,int>(Obj::MONSTER, VLC->creh->pickRandomMonster(boost::ref(ran), 3));
	case Obj::RANDOM_MONSTER_L4:
		return std::pair<int,int>(Obj::MONSTER, VLC->creh->pickRandomMonster(boost::ref(ran), 4));
	case Obj::RANDOM_RESOURCE:
		return std::pair<int,int>(Obj::RESOURCE,ran()%7); //now it's OH3 style, use %8 for mithril
	case Obj::RANDOM_TOWN:
		{
			int align = (static_cast<CGTownInstance*>(obj))->alignment,
				f;
			if(align>GameConstants::PLAYER_LIMIT-1)//same as owner / random
			{
				if(obj->tempOwner > GameConstants::PLAYER_LIMIT-1)
					f = -1; //random
				else
					f = scenarioOps->getIthPlayersSettings(obj->tempOwner).castle;
			}
			else
			{
				f = scenarioOps->getIthPlayersSettings(align).castle;
			}
			if(f<0)
			{
				auto iter = VLC->townh->towns.begin();
				std::advance(iter, ran()%VLC->townh->towns.size());
				f = iter->first;
			}
			return std::pair<int,int>(Obj::TOWN,f);
		}
	case Obj::RANDOM_MONSTER_L5:
		return std::pair<int,int>(Obj::MONSTER, VLC->creh->pickRandomMonster(boost::ref(ran), 5));
	case Obj::RANDOM_MONSTER_L6:
		return std::pair<int,int>(Obj::MONSTER, VLC->creh->pickRandomMonster(boost::ref(ran), 6));
	case Obj::RANDOM_MONSTER_L7:
		return std::pair<int,int>(Obj::MONSTER, VLC->creh->pickRandomMonster(boost::ref(ran), 7));
	case Obj::RANDOM_DWELLING: 
	case Obj::RANDOM_DWELLING_LVL:
	case Obj::RANDOM_DWELLING_FACTION:
		{
			CGDwelling * dwl = static_cast<CGDwelling*>(obj);
			int faction;

			//if castle alignment available
			if (auto info = dynamic_cast<CCreGenAsCastleInfo*>(dwl->info))
			{
				faction = ran() % VLC->townh->factions.size();
				if (info->asCastle)
				{
					for(ui32 i=0;i<map->objects.size();i++)
					{
						if(map->objects[i]->ID==Obj::RANDOM_TOWN
							&& dynamic_cast<CGTownInstance*>(map->objects[i].get())->identifier == info->identifier)
						{
							randomizeObject(map->objects[i]); //we have to randomize the castle first
							faction = map->objects[i]->subID;
							break;
						}
						else if(map->objects[i]->ID==Obj::TOWN
							&& dynamic_cast<CGTownInstance*>(map->objects[i].get())->identifier == info->identifier)
						{
							faction = map->objects[i]->subID;
							break;
						}
					}
				}
				else
				{
					while((!(info->castles[0]&(1<<faction))))
					{
						if((faction>7) && (info->castles[1]&(1<<(faction-8))))
							break;
						faction = ran()%GameConstants::F_NUMBER;
					}
				}
			}
			else // castle alignment fixed
				faction = obj->subID;

			int level;

			//if level set to range
			if (auto info = dynamic_cast<CCreGenLeveledInfo*>(dwl->info))
				level = ((info->maxLevel-info->minLevel) ? (ran()%(info->maxLevel-info->minLevel)+info->minLevel) : (info->minLevel));
			else // fixed level
				level = obj->subID;

			delete dwl->info;
			dwl->info = nullptr;

			std::pair<int,int> result(-1, -1);
			int cid = VLC->townh->towns[faction].creatures[level][0];

			//golem factory is not in list of cregens but can be placed as random object
			static const int factoryCreatures[] = {32, 33, 116, 117};
			std::vector<int> factory(factoryCreatures, factoryCreatures + ARRAY_COUNT(factoryCreatures));
			if (vstd::contains(factory, cid))
				result = std::pair<int,int>(20, 1);

			//NOTE: this will pick last dwelling with this creature (Mantis #900)
			//check for block map equality is better but more complex solution
			BOOST_FOREACH(auto &iter, VLC->objh->cregens)
				if (iter.second == cid)
					result = std::pair<int,int>(17, iter.first);

			if (result.first == -1)
			{
				tlog0 << "Error: failed to find creature for dwelling of "<< int(faction) << " of level " << int(level) << "\n";
				auto iter = VLC->objh->cregens.begin();
				std::advance(iter, ran() % VLC->objh->cregens.size() );
				result = std::pair<int, int>(17, iter->first);
			}

			return result;
		}
	}
	return std::pair<int,int>(-1,-1);
}

void CGameState::randomizeObject(CGObjectInstance *cur)
{
	std::pair<int,int> ran = pickObject(cur);
	if(ran.first<0 || ran.second<0) //this is not a random object, or we couldn't find anything
	{
		if(cur->ID==Obj::TOWN) //town - set def
		{
			CGTownInstance *t = dynamic_cast<CGTownInstance*>(cur);
			t->town = &VLC->townh->towns[t->subID];
			if(t->hasCapitol())
				t->defInfo = VLC->dobjinfo->capitols[t->subID];
			else if(t->hasFort())
				t->defInfo = VLC->dobjinfo->gobjs[Obj::TOWN][t->subID];
			else
				t->defInfo = VLC->dobjinfo->villages[t->subID];
		}
		return;
	}
	else if(ran.first==Obj::HERO)//special code for hero
	{
		CGHeroInstance *h = dynamic_cast<CGHeroInstance *>(cur);
		if(!h) {tlog2<<"Wrong random hero at "<<cur->pos<<std::endl; return;}
		cur->ID = ran.first;
		h->portrait = cur->subID = ran.second;
		h->type = VLC->heroh->heroes[ran.second];
		h->randomizeArmy(h->type->heroClass->faction);
		map->heroes.push_back(h);
		return; //TODO: maybe we should do something with definfo?
	}
	else if(ran.first==Obj::TOWN)//special code for town
	{
		CGTownInstance *t = dynamic_cast<CGTownInstance*>(cur);
		if(!t) {tlog2<<"Wrong random town at "<<cur->pos<<std::endl; return;}
		cur->ID = ran.first;
		cur->subID = ran.second;
		//FIXME: copy-pasted from above
		t->town = &VLC->townh->towns[t->subID];
		if(t->hasCapitol())
			t->defInfo = VLC->dobjinfo->capitols[t->subID];
		else if(t->hasFort())
			t->defInfo = VLC->dobjinfo->gobjs[Obj::TOWN][t->subID];
		else
			t->defInfo = VLC->dobjinfo->villages[t->subID];
		t->randomizeArmy(t->subID);
		map->towns.push_back(t);
		return;
	}
	//we have to replace normal random object
	cur->ID = ran.first;
	cur->subID = ran.second;
	map->removeBlockVisTiles(cur); //recalculate blockvis tiles - picked object might have different than random placeholder
	map->customDefs.push_back(cur->defInfo = VLC->dobjinfo->gobjs[ran.first][ran.second]);
	if(!cur->defInfo)
	{
		tlog1<<"*BIG* WARNING: Missing def declaration for "<<cur->ID<<" "<<cur->subID<<std::endl;
		return;
	}

	map->addBlockVisTiles(cur);
}

int CGameState::getDate(int mode) const
{
	int temp;
	switch (mode)
	{
	case 0: //day number
		return day;
		break;
	case 1: //day of week
		temp = (day)%7; // 1 - Monday, 7 - Sunday
		if (temp)
			return temp;
		else return 7;
		break;
	case 2:  //current week
		temp = ((day-1)/7)+1;
		if (!(temp%4))
			return 4;
		else
			return (temp%4);
		break;
	case 3: //current month
		return ((day-1)/28)+1;
		break;
	case 4: //day of month
		temp = (day)%28;
		if (temp)
			return temp;
		else return 28;
		break;
	}
	return 0;
}
CGameState::CGameState()
{
	gs = this;
	mx = new boost::shared_mutex();
	applierGs = new CApplier<CBaseForGSApply>;
	registerTypes2(*applierGs);
	objCaller = new CObjectCallersHandler;
	globalEffects.setDescription("Global effects");
}
CGameState::~CGameState()
{
	//delete mx;//TODO: crash on Linux (mutex must be unlocked before destruction)
	map.dellNull();
	curB.dellNull();
	//delete scenarioOps; //TODO: fix for loading ind delete
	//delete initialOpts;
	delete applierGs;
	delete objCaller;
}

BattleInfo * CGameState::setupBattle(int3 tile, const CArmedInstance *armies[2], const CGHeroInstance * heroes[2], bool creatureBank, const CGTownInstance *town)
{
	const TerrainTile &t = map->getTile(tile);
    int terrain = t.terType;
	if(t.isCoastal() && !t.isWater())
        terrain = ETerrainType::SAND;

	int terType = battleGetBattlefieldType(tile);
	return BattleInfo::setupBattle(tile, terrain, terType, armies, heroes, creatureBank, town);
}

void CGameState::init(StartInfo * si)
{
	auto giveCampaignBonusToHero = [&](CGHeroInstance * hero)
	{
		const boost::optional<CScenarioTravel::STravelBonus> & curBonus = scenarioOps->campState->getBonusForCurrentMap();
		if(!curBonus)
			return;

		if(curBonus->isBonusForHero())
		{
			//apply bonus
			switch (curBonus->type)
			{
			case CScenarioTravel::STravelBonus::SPELL:
				hero->spells.insert(curBonus->info2);
				break;
			case CScenarioTravel::STravelBonus::MONSTER:
				{
					for(int i=0; i<GameConstants::ARMY_SIZE; i++)
					{
						if(hero->slotEmpty(i))
						{
							hero->addToSlot(i, curBonus->info2, curBonus->info3);
							break;
						}
					}
				}
				break;
			case CScenarioTravel::STravelBonus::ARTIFACT:
				gs->giveHeroArtifact(hero, curBonus->info2);
				break;
			case CScenarioTravel::STravelBonus::SPELL_SCROLL:
				{
					CArtifactInstance * scroll = CArtifactInstance::createScroll(VLC->spellh->spells[curBonus->info2]);
					scroll->putAt(ArtifactLocation(hero, scroll->firstAvailableSlot(hero)));
				}
				break;
			case CScenarioTravel::STravelBonus::PRIMARY_SKILL:
				{
					const ui8* ptr = reinterpret_cast<const ui8*>(&curBonus->info2);
					for (int g=0; g<GameConstants::PRIMARY_SKILLS; ++g)
					{
						int val = ptr[g];
						if (val == 0)
						{
							continue;
						}
						Bonus *bb = new Bonus(Bonus::PERMANENT, Bonus::PRIMARY_SKILL, Bonus::CAMPAIGN_BONUS, val, scenarioOps->campState->currentMap, g);
						hero->addNewBonus(bb);
					}
				}
				break;
			case CScenarioTravel::STravelBonus::SECONDARY_SKILL:
				hero->setSecSkillLevel(static_cast<CGHeroInstance::SecondarySkill>(curBonus->info2), curBonus->info3, true);
				break;
			}
		}
	};

	auto getHumanPlayerInfo = [&]() -> std::vector<const PlayerSettings *>
	{
		std::vector<const PlayerSettings *> ret;
		for(auto it = scenarioOps->playerInfos.cbegin();
			it != scenarioOps->playerInfos.cend(); ++it)
		{
			if(it->second.playerID != PlayerSettings::PLAYER_AI)
				ret.push_back(&it->second);
		}

		return ret;
	};

	auto replaceHero = [&](int objId, CGHeroInstance * ghi)
	{
		ghi->id = objId;
		gs->map->objects[objId] = ghi;
		gs->map->heroes.push_back(ghi);
	};

	tlog0 << "\tUsing random seed: "<< si->seedToBeUsed << std::endl;
	ran.seed((boost::int32_t)si->seedToBeUsed);
	scenarioOps = new StartInfo(*si);
	initialOpts = new StartInfo(*si);
	si = NULL;

	switch(scenarioOps->mode)
	{
	case StartInfo::NEW_GAME:
		{
			if(scenarioOps->createRandomMap)
			{
				tlog0 << "Create random map." << std::endl;
				//TODO random map
			}
			else
			{
				tlog0 << "Open map file: " << scenarioOps->mapname << std::endl;
				map = CMapService::loadMap(scenarioOps->mapname).release();
			}
		}
		break;
	case StartInfo::CAMPAIGN:
		{
			tlog0 << "Open campaign map file: " << scenarioOps->campState->currentMap << std::endl;
			auto campaign = scenarioOps->campState;
			assert(vstd::contains(campaign->camp->mapPieces, scenarioOps->campState->currentMap));

			std::string & mapContent = campaign->camp->mapPieces[scenarioOps->campState->currentMap];
			auto buffer = reinterpret_cast<const ui8 *>(mapContent.data());
			map = CMapService::loadMap(buffer, mapContent.size()).release();
		}
		break;
	case StartInfo::DUEL:
		initDuel();
		return;
	default:
		tlog1 << "Wrong mode: " << (int)scenarioOps->mode << std::endl;
		return;
	}
	VLC->arth->initAllowedArtifactsList(map->allowedArtifact);
	tlog0 << "Map loaded!" << std::endl;


	//tlog0 <<"Reading and detecting map file (together): "<<tmh.getDif()<<std::endl;
	tlog0 << "\tOur checksum for the map: "<< map->checksum << std::endl;
	if(scenarioOps->mapfileChecksum)
	{
		tlog0 << "\tServer checksum for " << scenarioOps->mapname <<": "<< scenarioOps->mapfileChecksum << std::endl;
		if(map->checksum != scenarioOps->mapfileChecksum)
		{
			tlog1 << "Wrong map checksum!!!" << std::endl;
			throw std::runtime_error("Wrong checksum");
		}
	}
	else
		scenarioOps->mapfileChecksum = map->checksum;

	day = 0;

	tlog4 << "Initialization:";
	tlog4 << "\tPicking grail position";
 	//pick grail location
 	if(map->grailPos.x < 0 || map->grailRadious) //grail not set or set within a radius around some place
 	{
		if(!map->grailRadious) //radius not given -> anywhere on map
			map->grailRadious = map->width * 2;


 		std::vector<int3> allowedPos;

		// add all not blocked tiles in range
		for (int i = 0; i < map->width ; i++)
		{
			for (int j = 0; j < map->height ; j++)
			{
				for (int k = 0; k < (map->twoLevel ? 2 : 1); k++)
				{
					const TerrainTile &t = map->terrain[i][j][k];
					if(!t.blocked
						&& !t.visitable
                        && t.terType != ETerrainType::WATER
                        && t.terType != ETerrainType::ROCK
						&& map->grailPos.dist2d(int3(i,j,k)) <= map->grailRadious)
 						allowedPos.push_back(int3(i,j,k));
 				}
 			}
 		}

		//remove tiles with holes
		for(ui32 no=0; no<map->objects.size(); ++no)
			if(map->objects[no]->ID == Obj::HOLE)
				allowedPos -= map->objects[no]->pos;

		if(allowedPos.size())
			map->grailPos = allowedPos[ran() % allowedPos.size()];
		else
			tlog2 << "Warning: Grail cannot be placed, no appropriate tile found!\n";
	}

	//picking random factions for players
	tlog4 << "\tPicking random factions for players";
	for(auto it = scenarioOps->playerInfos.begin();
		it != scenarioOps->playerInfos.end(); ++it)
	{
		if(it->second.castle==-1)
		{
			int randomID = ran() % map->players[it->first].allowedFactions.size();
			auto iter = map->players[it->first].allowedFactions.begin();
			std::advance(iter, randomID);

			it->second.castle = *iter;
		}
	}

	//randomizing objects
	tlog4 << "\tRandomizing objects";
	BOOST_FOREACH(CGObjectInstance *obj, map->objects)
	{
		randomizeObject(obj);
		obj->hoverName = VLC->generaltexth->names[obj->ID];

		//handle Favouring Winds - mark tiles under it
		if(obj->ID == Obj::FAVORABLE_WINDS)
			for (int i = 0; i < obj->getWidth() ; i++)
				for (int j = 0; j < obj->getHeight() ; j++)
				{
					int3 pos = obj->pos - int3(i,j,0);
					if(map->isInTheMap(pos))
                        map->getTile(pos).extTileFlags |= 128;
				}
	}
	//std::cout<<"\tRandomizing objects: "<<th.getDif()<<std::endl;

	/*********creating players entries in gs****************************************/
	tlog4 << "\tCreating player entries in gs";
	for(auto it = scenarioOps->playerInfos.begin();
		it != scenarioOps->playerInfos.end(); ++it)
	{
		std::pair<TPlayerColor,PlayerState> ins(it->first,PlayerState());
		ins.second.color=ins.first;
		ins.second.human = it->second.playerID;
		ins.second.team = map->players[ins.first].team;
		teams[ins.second.team].id = ins.second.team;//init team
		teams[ins.second.team].players.insert(ins.first);//add player to team
		players.insert(ins);
	}

	/*********give starting hero****************************************/
	tlog4 << "\tGiving starting hero";
	{
		bool campaignGiveHero = false;
		if(scenarioOps->campState)
		{
			auto bonus = scenarioOps->campState->getBonusForCurrentMap();
			if(bonus.is_initialized())
			{
				campaignGiveHero =  scenarioOps->mode == StartInfo::CAMPAIGN &&
					bonus.get().type == CScenarioTravel::STravelBonus::HERO;
			}
		}


		for(auto it = scenarioOps->playerInfos.begin(); it != scenarioOps->playerInfos.end(); ++it)
		{
			const PlayerInfo &p = map->players[it->first];
			bool generateHero = (p.generateHeroAtMainTown ||
			                     (it->second.playerID != PlayerSettings::PLAYER_AI && campaignGiveHero)) && p.hasMainTown;
			if(generateHero && vstd::contains(scenarioOps->playerInfos, it->first))
			{
				int3 hpos = p.posOfMainTown;
				hpos.x+=1;

				int h = pickHero(it->first);
				if(it->second.hero == -1)
					it->second.hero = h;

				CGHeroInstance * nnn =  static_cast<CGHeroInstance*>(createObject(Obj::HERO,h,hpos,it->first));
				nnn->id = map->objects.size();
				nnn->initHero();
				map->heroes.push_back(nnn);
				map->objects.push_back(nnn);
				map->addBlockVisTiles(nnn);
			}
		}
	}

	/*************************replace hero placeholders*****************************/
	tlog4 << "\tReplacing hero placeholders";
	if (scenarioOps->campState)
	{
		auto campaign = scenarioOps->campState;
		auto bonus = campaign->getBonusForCurrentMap();

		if(bonus.is_initialized())
		{
			std::vector<CGHeroInstance *> Xheroes;
			if (bonus->type == CScenarioTravel::STravelBonus::PLAYER_PREV_SCENARIO)
			{
				Xheroes = campaign->camp->scenarios[bonus->info2].crossoverHeroes;
			}

			//selecting heroes by type
			for(int g=0; g<map->objects.size(); ++g)
			{
				CGObjectInstance * obj = map->objects[g];
				if (obj->ID != Obj::HERO_PLACEHOLDER)
				{
					continue;
				}
				CGHeroPlaceholder * hp = static_cast<CGHeroPlaceholder*>(obj);

				if(hp->subID != 0xFF) //select by type
				{
					bool found = false;
					BOOST_FOREACH(CGHeroInstance * ghi, Xheroes)
					{
						if (ghi->subID == hp->subID)
						{
							found = true;
							replaceHero(g, ghi);
							Xheroes -= ghi;
							break;
						}
					}
					if (!found)
					{
						//TODO: create new hero of this type
					}
				}
			}

			//selecting heroes by power

			std::sort(Xheroes.begin(), Xheroes.end(), [](const CGHeroInstance * a, const CGHeroInstance * b)
			{
				return a->getHeroStrength() > b->getHeroStrength();
			}); //sort, descending strength
			for(int g=0; g<map->objects.size(); ++g)
			{
				CGObjectInstance * obj = map->objects[g];
				if (obj->ID != Obj::HERO_PLACEHOLDER)
				{
					continue;
				}
				CGHeroPlaceholder * hp = static_cast<CGHeroPlaceholder*>(obj);

				if (hp->subID == 0xFF) //select by power
				{
					if(Xheroes.size() > hp->power - 1)
						replaceHero(g, Xheroes[hp->power - 1]);
					else
						tlog2 << "Warning, to hero to replace!\n";
					//we don't have to remove hero from Xheroes because it would destroy the order and duplicates shouldn't happen
				}
			}
		}

	}

	/******************RESOURCES****************************************************/
	tlog4 << "\tSetting up resources";
	const JsonNode config(ResourceID("config/startres.json"));
	const JsonVector &vector = config["difficulty"].Vector();
	const JsonNode &level = vector[scenarioOps->difficulty];

	TResources startresAI(level["ai"]);
	TResources startresHuman(level["human"]);

	for (auto i = players.begin(); i!=players.end(); i++)
	{
		PlayerState &p = i->second;

		if (p.human)
			p.resources = startresHuman;
		else
			p.resources = startresAI;
	}

	//give start resource bonus in case of campaign
	if (scenarioOps->mode == StartInfo::CAMPAIGN)
	{
		auto chosenBonus = scenarioOps->campState->getBonusForCurrentMap();
		if(chosenBonus.is_initialized() && chosenBonus->type == CScenarioTravel::STravelBonus::RESOURCE)
		{
			std::vector<const PlayerSettings *> people = getHumanPlayerInfo(); //players we will give resource bonus
			BOOST_FOREACH(const PlayerSettings *ps, people)
			{
				std::vector<int> res; //resources we will give
				switch (chosenBonus->info1)
				{
				case 0: case 1: case 2: case 3: case 4: case 5: case 6:
					res.push_back(chosenBonus->info1);
					break;
				case 0xFD: //wood+ore
					res.push_back(Res::WOOD); res.push_back(Res::ORE);
					break;
				case 0xFE:  //rare
					res.push_back(Res::MERCURY); res.push_back(Res::SULFUR); res.push_back(Res::CRYSTAL); res.push_back(Res::GEMS);
					break;
				default:
					assert(0);
					break;
				}
				//increasing resource quantity
				for (int n=0; n<res.size(); ++n)
				{
					players[ps->color].resources[res[n]] += chosenBonus->info2;
				}
			}
		}
	}


	/*************************HEROES************************************************/
	tlog4 << "\tSetting up heroes";
	std::set<int> hids; //hero ids to create pool

	for(ui32 i=0; i<map->allowedHeroes.size(); i++) //add to hids all allowed heroes
		if(map->allowedHeroes[i])
			hids.insert(i);

	for (ui32 i=0; i<map->heroes.size();i++) //heroes instances initialization
	{
		if (map->heroes[i]->getOwner()<0)
		{
			tlog2 << "Warning - hero with uninitialized owner!\n";
			continue;
		}
		CGHeroInstance * vhi = (map->heroes[i]);
		vhi->initHero();
		players.find(vhi->getOwner())->second.heroes.push_back(vhi);
		hids.erase(vhi->subID);
	}

	for (ui32 i=0; i<map->objects.size();i++) //prisons
	{
		if (map->objects[i]->ID == Obj::PRISON)
			hids.erase(map->objects[i]->subID);
	}

	for(ui32 i=0; i<map->predefinedHeroes.size(); i++)
	{
		if(!vstd::contains(hids,map->predefinedHeroes[i]->subID))
			continue;
		map->predefinedHeroes[i]->initHero();
		hpool.heroesPool[map->predefinedHeroes[i]->subID] = map->predefinedHeroes[i];
		hpool.pavailable[map->predefinedHeroes[i]->subID] = 0xff;
		hids.erase(map->predefinedHeroes[i]->subID);
	}

	BOOST_FOREACH(int hid, hids) //all not used allowed heroes go with default state into the pool
	{
		CGHeroInstance * vhi = new CGHeroInstance();
		vhi->initHero(hid);
		hpool.heroesPool[hid] = vhi;
		hpool.pavailable[hid] = 0xff;
	}

	for(ui32 i=0; i<map->disposedHeroes.size(); i++)
	{
        hpool.pavailable[map->disposedHeroes[i].heroId] = map->disposedHeroes[i].players;
	}

	if (scenarioOps->mode == StartInfo::CAMPAIGN) //give campaign bonuses for specific / best hero
	{
		auto chosenBonus = scenarioOps->campState->getBonusForCurrentMap();
		if (chosenBonus.is_initialized() && chosenBonus->isBonusForHero() && chosenBonus->info1 != 0xFFFE) //exclude generated heroes
		{
			//find human player
			int humanPlayer=GameConstants::NEUTRAL_PLAYER;
			for (auto it=players.begin(); it != players.end(); ++it)
			{
				if(it->second.human)
				{
					humanPlayer = it->first;
					break;
				}
			}
			assert(humanPlayer != GameConstants::NEUTRAL_PLAYER);

			std::vector<ConstTransitivePtr<CGHeroInstance> > & heroes = players[humanPlayer].heroes;

			if (chosenBonus->info1 == 0xFFFD) //most powerful
			{
				int maxB = -1;
				for (int b=0; b<heroes.size(); ++b)
				{
					if (maxB == -1 || heroes[b]->getTotalStrength() > heroes[maxB]->getTotalStrength())
					{
						maxB = b;
					}
				}
				if(maxB < 0)
					tlog2 << "Warning - cannot give bonus to hero cause there are no heroes!\n";
				else
					giveCampaignBonusToHero(heroes[maxB]);
			}
			else //specific hero
			{
				for (int b=0; b<heroes.size(); ++b)
				{
					if (heroes[b]->subID == chosenBonus->info1)
					{
						giveCampaignBonusToHero(heroes[b]);
						break;
					}
				}
			}
		}
	}

	/*************************FOG**OF**WAR******************************************/
	tlog4 << "\tFog of war";
	for(auto k=teams.begin(); k!=teams.end(); ++k)
	{
		k->second.fogOfWarMap.resize(map->width);
		for(int g=0; g<map->width; ++g)
			k->second.fogOfWarMap[g].resize(map->height);

		for(int g=-0; g<map->width; ++g)
			for(int h=0; h<map->height; ++h)
				k->second.fogOfWarMap[g][h].resize(map->twoLevel ? 2 : 1, 0);

		for(int g=0; g<map->width; ++g)
			for(int h=0; h<map->height; ++h)
				for(int v = 0; v < (map->twoLevel ? 2 : 1); ++v)
					k->second.fogOfWarMap[g][h][v] = 0;

		BOOST_FOREACH(CGObjectInstance *obj, map->objects)
		{
			if( !vstd::contains(k->second.players, obj->tempOwner)) continue; //not a flagged object

			boost::unordered_set<int3, ShashInt3> tiles;
			obj->getSightTiles(tiles);
			BOOST_FOREACH(int3 tile, tiles)
			{
				k->second.fogOfWarMap[tile.x][tile.y][tile.z] = 1;
			}
		}
	}

	tlog4 << "\tStarting bonuses";
	for(auto k=players.begin(); k!=players.end(); ++k)
	{
		//starting bonus
		if(scenarioOps->playerInfos[k->first].bonus==PlayerSettings::RANDOM)
			scenarioOps->playerInfos[k->first].bonus = ran()%3;
		switch(scenarioOps->playerInfos[k->first].bonus)
		{
		case PlayerSettings::GOLD:
			k->second.resources[Res::GOLD] += 500 + (ran()%6)*100;
			break;
		case PlayerSettings::RESOURCE:
			{
				int res = VLC->townh->towns[scenarioOps->playerInfos[k->first].castle].primaryRes;
				if(res == 127)
				{
					k->second.resources[Res::WOOD] += 5 + ran()%6;
					k->second.resources[Res::ORE] += 5 + ran()%6;
				}
				else
				{
					k->second.resources[res] += 3 + ran()%4;
				}
				break;
			}
		case PlayerSettings::ARTIFACT:
			{
 				if(!k->second.heroes.size())
				{
					tlog5 << "Cannot give starting artifact - no heroes!" << std::endl;
					break;
				}
 				CArtifact *toGive;
 				toGive = VLC->arth->artifacts[VLC->arth->getRandomArt (CArtifact::ART_TREASURE)];

				CGHeroInstance *hero = k->second.heroes[0];
 				giveHeroArtifact(hero, toGive->id);
			}
			break;
		}
	}
	/****************************TOWNS************************************************/
	tlog4 << "\tTowns";
	CGTownInstance::universitySkills.clear();
	for ( int i=0; i<4; i++)
		CGTownInstance::universitySkills.push_back(14+i);//skills for university

	for (ui32 i=0;i<map->towns.size();i++)
	{
		CGTownInstance * vti =(map->towns[i]);
		if(!vti->town)
			vti->town = &VLC->townh->towns[vti->subID];
		if (vti->name.length()==0) // if town hasn't name we draw it
			vti->name = vti->town->names[ran()%vti->town->names.size()];

		//init buildings
		if(vti->builtBuildings.find(-50)!=vti->builtBuildings.end()) //give standard set of buildings
		{
			vti->builtBuildings.erase(-50);
			vti->builtBuildings.insert(EBuilding::VILLAGE_HALL);
			vti->builtBuildings.insert(EBuilding::TAVERN);
			vti->builtBuildings.insert(EBuilding::DWELL_FIRST);
			if(ran()%2)
				vti->builtBuildings.insert(EBuilding::DWELL_FIRST+1);
		}

		if (vstd::contains(vti->builtBuildings, EBuilding::SHIPYARD) && vti->state()==IBoatGenerator::TILE_BLOCKED)
			vti->builtBuildings.erase(EBuilding::SHIPYARD);//if we have harbor without water - erase it (this is H3 behaviour)

		//init hordes
		for (int i = 0; i<GameConstants::CREATURES_PER_TOWN; i++)
			if (vstd::contains(vti->builtBuildings,(-31-i))) //if we have horde for this level
			{
				vti->builtBuildings.erase(-31-i);//remove old ID
				if (vti->town->hordeLvl[0] == i)//if town first horde is this one
				{
					vti->builtBuildings.insert(EBuilding::HORDE_1);//add it
					if (vstd::contains(vti->builtBuildings,(EBuilding::DWELL_UP_FIRST+i)))//if we have upgraded dwelling as well
						vti->builtBuildings.insert(EBuilding::HORDE_1_UPGR);//add it as well
				}
				if (vti->town->hordeLvl[1] == i)//if town second horde is this one
				{
					vti->builtBuildings.insert(EBuilding::HORDE_2);
					if (vstd::contains(vti->builtBuildings,(EBuilding::DWELL_UP_FIRST+i)))
						vti->builtBuildings.insert(EBuilding::HORDE_2_UPGR);
				}
			}

		//town events
		BOOST_FOREACH(CCastleEvent *ev, vti->events)
		{
			for (int i = 0; i<GameConstants::CREATURES_PER_TOWN; i++)
				if (vstd::contains(ev->buildings,(-31-i))) //if we have horde for this level
				{
					ev->buildings.erase(-31-i);
					if (vti->town->hordeLvl[0] == i)
						ev->buildings.insert(EBuilding::HORDE_1);
					if (vti->town->hordeLvl[1] == i)
						ev->buildings.insert(EBuilding::HORDE_2);
				}
		}
		//init spells
		vti->spells.resize(GameConstants::SPELL_LEVELS);
		CSpell *s;
		for(ui32 z=0; z<vti->obligatorySpells.size();z++)
		{
			s = VLC->spellh->spells[vti->obligatorySpells[z]];
			vti->spells[s->level-1].push_back(s->id);
			vti->possibleSpells -= s->id;
		}
		while(vti->possibleSpells.size())
		{
			ui32 total=0;
			int sel = -1;

			for(ui32 ps=0;ps<vti->possibleSpells.size();ps++)
				total += VLC->spellh->spells[vti->possibleSpells[ps]]->probabilities[vti->subID];

			if (total == 0) // remaining spells have 0 probability
				break;

			int r = ran()%total;
			for(ui32 ps=0; ps<vti->possibleSpells.size();ps++)
			{
				r -= VLC->spellh->spells[vti->possibleSpells[ps]]->probabilities[vti->subID];
				if(r<0)
				{
					sel = ps;
					break;
				}
			}
			if(sel<0)
				sel=0;

			CSpell *s = VLC->spellh->spells[vti->possibleSpells[sel]];
			vti->spells[s->level-1].push_back(s->id);
			vti->possibleSpells -= s->id;
		}
		vti->possibleSpells.clear();
		if(vti->getOwner() != 255)
			getPlayer(vti->getOwner())->towns.push_back(vti);
	}

	//campaign bonuses for towns
	if (scenarioOps->mode == StartInfo::CAMPAIGN)
	{
		auto chosenBonus = scenarioOps->campState->getBonusForCurrentMap();

		if (chosenBonus.is_initialized() && chosenBonus->type == CScenarioTravel::STravelBonus::BUILDING)
		{
			for (int g=0; g<map->towns.size(); ++g)
			{
				PlayerState * owner = getPlayer(map->towns[g]->getOwner());
				if (owner)
				{
					PlayerInfo & pi = map->players[owner->color];

					if (owner->human && //human-owned
						map->towns[g]->pos == pi.posOfMainTown + int3(2, 0, 0))
					{
						map->towns[g]->builtBuildings.insert(
							CBuildingHandler::campToERMU(chosenBonus->info1, map->towns[g]->town->typeID, map->towns[g]->builtBuildings));
						break;
					}
				}
			}
		}

	}
	tlog4 << "\tObject initialization";
	objCaller->preInit();
	BOOST_FOREACH(CGObjectInstance *obj, map->objects)
	{
		obj->initObj();
		if(obj->ID == Obj::PRISON) //prison also needs to initialize hero
			static_cast<CGHeroInstance*>(obj)->initHero();
	}
	BOOST_FOREACH(CGObjectInstance *obj, map->objects)
	{
		switch (obj->ID)
		{
			case Obj::QUEST_GUARD:
			case Obj::SEER_HUT:
			{
				auto q = static_cast<CGSeerHut*>(obj);
				assert (q);
				q->setObjToKill();
			}
		}
	}
	CGTeleport::postInit(); //pairing subterranean gates

	buildBonusSystemTree();

	for(auto k=players.begin(); k!=players.end(); ++k)
	{
		if(k->first==255)
			continue;

		//init visiting and garrisoned heroes
		BOOST_FOREACH(CGHeroInstance *h, k->second.heroes)
		{
			BOOST_FOREACH(CGTownInstance *t, k->second.towns)
			{
				int3 vistile = t->pos; vistile.x--; //tile next to the entrance
				if(vistile == h->pos || h->pos==t->pos)
				{
					t->setVisitingHero(h);
					if(h->pos == t->pos) //visiting hero placed in the editor has same pos as the town - we need to correct it
					{
						map->removeBlockVisTiles(h);
						h->pos.x -= 1;
						map->addBlockVisTiles(h);
					}
					break;
				}
			}
		}
	}


	tlog4 << "\tChecking objectives";
	map->checkForObjectives(); //needs to be run when all objects are properly placed

	int seedAfterInit = ran();
	tlog0 << "Seed after init is " << seedAfterInit << " (before was " << scenarioOps->seedToBeUsed << ")" << std::endl;
	if(scenarioOps->seedPostInit > 0)
	{
		//RNG must be in the same state on all machines when initialization is done (otherwise we have desync)
		assert(scenarioOps->seedPostInit == seedAfterInit);
	}
	else
	{
		scenarioOps->seedPostInit = seedAfterInit; //store the post init "seed"
	}
}

void CGameState::initDuel()
{
	DuelParameters dp;
	try //CLoadFile likes throwing
	{
		if(boost::algorithm::ends_with(scenarioOps->mapname, ".json"))
		{
			tlog0 << "Loading duel settings from JSON file: " << scenarioOps->mapname << std::endl;
			dp = DuelParameters::fromJSON(scenarioOps->mapname);
			tlog0 << "JSON file has been successfully read!\n";
		}
		else
		{
			CLoadFile lf(scenarioOps->mapname);
			lf >> dp;
		}
	}
	catch(...)
	{
		tlog1 << "Cannot load duel settings from " << scenarioOps->mapname << std::endl;
		throw;
	}

	const CArmedInstance *armies[2] = {0};
	const CGHeroInstance *heroes[2] = {0};
	CGTownInstance *town = NULL;

	for(int i = 0; i < 2; i++)
	{
		CArmedInstance *obj = NULL;
		if(dp.sides[i].heroId >= 0)
		{
			const DuelParameters::SideSettings &ss = dp.sides[i];
			CGHeroInstance *h = new CGHeroInstance();
			armies[i] = heroes[i] = h;
			obj = h;
			h->subID = ss.heroId;
			for(int i = 0; i < ss.heroPrimSkills.size(); i++)
				h->pushPrimSkill(i, ss.heroPrimSkills[i]);

			if(ss.spells.size())
			{
				h->putArtifact(ArtifactPosition::SPELLBOOK, CArtifactInstance::createNewArtifactInstance(0));
				boost::copy(ss.spells, std::inserter(h->spells, h->spells.begin()));
			}

			BOOST_FOREACH(auto &parka, ss.artifacts)
			{
				h->putArtifact(parka.first, parka.second);
			}

			typedef const std::pair<si32, si8> &TSecSKill;
			BOOST_FOREACH(TSecSKill secSkill, ss.heroSecSkills)
				h->setSecSkillLevel((CGHeroInstance::SecondarySkill)secSkill.first, secSkill.second, 1);

			h->initHero(h->subID);
			obj->initObj();
		}
		else
		{
			CGCreature *c = new CGCreature();
			armies[i] = obj = c;
			//c->subID = 34;
		}

		obj->setOwner(i);

		for(int j = 0; j < ARRAY_COUNT(dp.sides[i].stacks); j++)
		{
			TCreature cre = dp.sides[i].stacks[j].type;
			TQuantity count = dp.sides[i].stacks[j].count;
			if(count || obj->hasStackAtSlot(j))
				obj->setCreature(j, cre, count);
		}

		BOOST_FOREACH(const DuelParameters::CusomCreature &cc, dp.creatures)
		{
			CCreature *c = VLC->creh->creatures[cc.id];
			if(cc.attack >= 0)
				c->getBonusLocalFirst(Selector::typeSubtype(Bonus::PRIMARY_SKILL, PrimarySkill::ATTACK))->val = cc.attack;
			if(cc.defense >= 0)
				c->getBonusLocalFirst(Selector::typeSubtype(Bonus::PRIMARY_SKILL, PrimarySkill::DEFENSE))->val = cc.defense;
			if(cc.speed >= 0)
				c->getBonusLocalFirst(Selector::type(Bonus::STACKS_SPEED))->val = cc.speed;
			if(cc.HP >= 0)
				c->getBonusLocalFirst(Selector::type(Bonus::STACK_HEALTH))->val = cc.HP;
			if(cc.dmg >= 0)
			{
				c->getBonusLocalFirst(Selector::typeSubtype(Bonus::CREATURE_DAMAGE, 1))->val = cc.dmg;
				c->getBonusLocalFirst(Selector::typeSubtype(Bonus::CREATURE_DAMAGE, 2))->val = cc.dmg;
			}
			if(cc.shoots >= 0)
				c->getBonusLocalFirst(Selector::type(Bonus::SHOTS))->val = cc.shoots;
		}
	}

	curB = BattleInfo::setupBattle(int3(), dp.bfieldType, dp.terType, armies, heroes, false, town);
	curB->obstacles = dp.obstacles;
	curB->localInit();
	return;
}

int CGameState::battleGetBattlefieldType(int3 tile) const
{
	if(tile==int3() && curB)
		tile = curB->tile;
	else if(tile==int3() && !curB)
		return -1;

	const TerrainTile &t = map->getTile(tile);
	//fight in mine -> subterranean
	if(dynamic_cast<const CGMine *>(t.visitableObjects.front()))
		return 12;

	BOOST_FOREACH(auto &obj, map->objects)
	{
		//look only for objects covering given tile
		if( !obj || obj->pos.z != tile.z
		  || !obj->coveringAt(tile.x - obj->pos.x, tile.y - obj->pos.y))
			continue;

		switch(obj->ID)
		{
		case Obj::CLOVER_FIELD:
			return 19;
		case Obj::CURSED_GROUND1: case Obj::CURSED_GROUND2:
			return 22;
		case Obj::EVIL_FOG:
			return 20;
		case Obj::FAVORABLE_WINDS:
			return 21;
		case Obj::FIERY_FIELDS:
			return 14;
		case Obj::HOLY_GROUNDS:
			return 18;
		case Obj::LUCID_POOLS:
			return 17;
		case Obj::MAGIC_CLOUDS:
			return 16;
		case Obj::MAGIC_PLAINS1: case Obj::MAGIC_PLAINS2:
			return 9;
		case Obj::ROCKLANDS:
			return 15;
		}
	}

	if(!t.isWater() && t.isCoastal())
		return 1; //sand/beach

    switch(t.terType)
	{
    case ETerrainType::DIRT:
		return rand()%3+3;
    case ETerrainType::SAND:
		return 2; //TODO: coast support
    case ETerrainType::GRASS:
		return rand()%2+6;
    case ETerrainType::SNOW:
		return rand()%2+10;
    case ETerrainType::SWAMP:
		return 13;
    case ETerrainType::ROUGH:
		return 23;
    case ETerrainType::SUBTERRANEAN:
		return 12;
    case ETerrainType::LAVA:
		return 8;
    case ETerrainType::WATER:
		return 25;
    case ETerrainType::ROCK:
		return 15;
	default:
		return -1;
	}
}

UpgradeInfo CGameState::getUpgradeInfo(const CStackInstance &stack)
{
	UpgradeInfo ret;
	const CCreature *base = stack.type;

	const CGHeroInstance *h = stack.armyObj->ID == Obj::HERO ? static_cast<const CGHeroInstance*>(stack.armyObj) : NULL;
	const CGTownInstance *t = NULL;

	if(stack.armyObj->ID == Obj::TOWN)
		t = static_cast<const CGTownInstance *>(stack.armyObj);
	else if(h)
	{	//hero speciality
		TBonusListPtr lista = h->speciality.getBonuses(Selector::typeSubtype(Bonus::SPECIAL_UPGRADE, base->idNumber));
		BOOST_FOREACH(const Bonus *it, *lista)
		{
			ui16 nid = it->additionalInfo;
			if (nid != base->idNumber) //in very specific case the upgrade is available by default (?)
			{
				ret.newID.push_back(nid);
				ret.cost.push_back(VLC->creh->creatures[nid]->cost - base->cost);
			}
		}
		t = h->visitedTown;
	}
	if(t)
	{
		BOOST_FOREACH(const CGTownInstance::TCreaturesSet::value_type & dwelling, t->creatures)
		{
			if (vstd::contains(dwelling.second, base->idNumber)) //Dwelling with our creature
			{
				BOOST_FOREACH(ui32 upgrID, dwelling.second)
				{
					if(vstd::contains(base->upgrades, upgrID)) //possible upgrade
					{
						ret.newID.push_back(upgrID);
						ret.cost.push_back(VLC->creh->creatures[upgrID]->cost - base->cost);
					}
				}
			}
		}
	}

	//hero is visiting Hill Fort
	if(h && map->getTile(h->visitablePos()).visitableObjects.front()->ID == 35)
	{
		static const int costModifiers[] = {0, 25, 50, 75, 100}; //we get cheaper upgrades depending on level
		const int costModifier = costModifiers[std::min<int>(std::max((int)base->level - 1, 0), ARRAY_COUNT(costModifiers) - 1)];

		BOOST_FOREACH(si32 nid, base->upgrades)
		{
			ret.newID.push_back(nid);
			ret.cost.push_back((VLC->creh->creatures[nid]->cost - base->cost) * costModifier / 100);
		}
	}

	if(ret.newID.size())
		ret.oldID = base->idNumber;

	return ret;
}

int CGameState::getPlayerRelations( ui8 color1, ui8 color2 )
{
	if ( color1 == color2 )
		return 2;
	if(color1 == 255 || color2 == 255) //neutral player has no friends
		return  0;

	const TeamState * ts = getPlayerTeam(color1);
	if (ts && vstd::contains(ts->players, color2))
		return 1;
	return 0;
}

void CGameState::getNeighbours(const TerrainTile &srct, int3 tile, std::vector<int3> &vec, const boost::logic::tribool &onLand, bool limitCoastSailing)
{
	static const int3 dirs[] = { int3(0,1,0),int3(0,-1,0),int3(-1,0,0),int3(+1,0,0),
					int3(1,1,0),int3(-1,1,0),int3(1,-1,0),int3(-1,-1,0) };

	for (size_t i = 0; i < ARRAY_COUNT(dirs); i++)
	{
		const int3 hlp = tile + dirs[i];
		if(!map->isInTheMap(hlp))
			continue;

		const TerrainTile &hlpt = map->getTile(hlp);

// 		//we cannot visit things from blocked tiles
// 		if(srct.blocked && !srct.visitable && hlpt.visitable && srct.blockingObjects.front()->ID != HEROI_TYPE)
// 		{
// 			continue;
// 		}

        if(srct.terType == ETerrainType::WATER && limitCoastSailing && hlpt.terType == ETerrainType::WATER && dirs[i].x && dirs[i].y) //diagonal move through water
		{
			int3 hlp1 = tile,
				hlp2 = tile;
			hlp1.x += dirs[i].x;
			hlp2.y += dirs[i].y;

            if(map->getTile(hlp1).terType != ETerrainType::WATER || map->getTile(hlp2).terType != ETerrainType::WATER)
				continue;
		}

        if((indeterminate(onLand)  ||  onLand == (hlpt.terType!=ETerrainType::WATER) )
            && hlpt.terType != ETerrainType::ROCK)
		{
			vec.push_back(hlp);
		}
	}
}

int CGameState::getMovementCost(const CGHeroInstance *h, const int3 &src, const int3 &dest, int remainingMovePoints, bool checkLast)
{
	if(src == dest) //same tile
		return 0;

	TerrainTile &s = map->terrain[src.x][src.y][src.z],
		&d = map->terrain[dest.x][dest.y][dest.z];

	//get basic cost
	int ret = h->getTileCost(d,s);

	if(d.blocked && h->hasBonusOfType(Bonus::FLYING_MOVEMENT))
	{
		bool freeFlying = h->getBonusesCount(Selector::typeSubtype(Bonus::FLYING_MOVEMENT, 1)) > 0;

		if(!freeFlying)
		{
			ret *= 1.4; //40% penalty for movement over blocked tile
		}
	}
    else if (d.terType == ETerrainType::WATER)
	{
		if(h->boat && s.hasFavourableWinds() && d.hasFavourableWinds()) //Favourable Winds
			ret *= 0.666;
		else if (!h->boat && h->getBonusesCount(Selector::typeSubtype(Bonus::WATER_WALKING, 1)) > 0)
			ret *= 1.4; //40% penalty for water walking
	}

	if(src.x != dest.x  &&  src.y != dest.y) //it's diagonal move
	{
		int old = ret;
		ret *= 1.414213;
		//diagonal move costs too much but normal move is possible - allow diagonal move for remaining move points
		if(ret > remainingMovePoints  &&  remainingMovePoints >= old)
		{
			return remainingMovePoints;
		}
	}


	int left = remainingMovePoints-ret;
	if(checkLast  &&  left > 0  &&  remainingMovePoints-ret < 250) //it might be the last tile - if no further move possible we take all move points
	{
		std::vector<int3> vec;
        getNeighbours(d, dest, vec, s.terType != ETerrainType::WATER, true);
		for(size_t i=0; i < vec.size(); i++)
		{
			int fcost = getMovementCost(h,dest,vec[i],left,false);
			if(fcost <= left)
			{
				return ret;
			}
		}
		ret = remainingMovePoints;
	}
	return ret;
}

void CGameState::apply(CPack *pack)
{
	ui16 typ = typeList.getTypeID(pack);
	applierGs->apps[typ]->applyOnGS(this,pack);
}

bool CGameState::getPath(int3 src, int3 dest, const CGHeroInstance * hero, CPath &ret)
{
	//the old pathfinder is not supported anymore!
	assert(0);
	return false;
}

void CGameState::calculatePaths(const CGHeroInstance *hero, CPathsInfo &out, int3 src, int movement)
{
	CPathfinder pathfinder(out, this, hero);
	pathfinder.calculatePaths(src, movement);
}

/**
 * Tells if the tile is guarded by a monster as well as the position
 * of the monster that will attack on it.
 *
 * @return int3(-1, -1, -1) if the tile is unguarded, or the position of
 * the monster guarding the tile.
 */
std::vector<CGObjectInstance*> CGameState::guardingCreatures (int3 pos) const
{
	std::vector<CGObjectInstance*> guards;
	const int3 originalPos = pos;
	if (!map->isInTheMap(pos))
		return guards;

	const TerrainTile &posTile = map->terrain[pos.x][pos.y][pos.z];
	if (posTile.visitable)
	{
		BOOST_FOREACH (CGObjectInstance* obj, posTile.visitableObjects)
		{
			if(obj->blockVisit)
			{
				if (obj->ID == 54) // Monster
					guards.push_back(obj);
			}
		}
	}
	pos -= int3(1, 1, 0); // Start with top left.
	for (int dx = 0; dx < 3; dx++)
	{
		for (int dy = 0; dy < 3; dy++)
		{
			if (map->isInTheMap(pos))
			{
				TerrainTile &tile = map->terrain[pos.x][pos.y][pos.z];
                if (tile.visitable && (tile.terType == ETerrainType::WATER) == (posTile.terType == ETerrainType::WATER))
				{
					BOOST_FOREACH (CGObjectInstance* obj, tile.visitableObjects)
					{
						if (obj->ID == 54  &&  checkForVisitableDir(pos, &map->getTile(originalPos), originalPos)) // Monster being able to attack investigated tile
						{
							guards.push_back(obj);
						}
					}
				}
			}

			pos.y++;
		}
		pos.y -= 3;
		pos.x++;
	}
	return guards;

}

int3 CGameState::guardingCreaturePosition (int3 pos) const
{
	const int3 originalPos = pos;
	// Give monster at position priority.
	if (!map->isInTheMap(pos))
		return int3(-1, -1, -1);
	const TerrainTile &posTile = map->terrain[pos.x][pos.y][pos.z];
	if (posTile.visitable)
	{
		BOOST_FOREACH (CGObjectInstance* obj, posTile.visitableObjects)
		{
			if(obj->blockVisit)
			{
				if (obj->ID == 54) // Monster
					return pos;
				else
					return int3(-1, -1, -1); //blockvis objects are not guarded by neighbouring creatures
			}
		}
	}

	// See if there are any monsters adjacent.
	pos -= int3(1, 1, 0); // Start with top left.
	for (int dx = 0; dx < 3; dx++)
	{
		for (int dy = 0; dy < 3; dy++)
		{
			if (map->isInTheMap(pos))
			{
				TerrainTile &tile = map->terrain[pos.x][pos.y][pos.z];
                if (tile.visitable && (tile.terType == ETerrainType::WATER) == (posTile.terType == ETerrainType::WATER))
				{
					BOOST_FOREACH (CGObjectInstance* obj, tile.visitableObjects)
					{
						if (obj->ID == 54  &&  checkForVisitableDir(pos, &map->getTile(originalPos), originalPos)) // Monster being able to attack investigated tile
						{
							return pos;
						}
					}
				}
			}

			pos.y++;
		}
		pos.y -= 3;
		pos.x++;
	}

	return int3(-1, -1, -1);
}

bool CGameState::isVisible(int3 pos, int player)
{
	if(player == 255) //neutral player
		return false;
	return getPlayerTeam(player)->fogOfWarMap[pos.x][pos.y][pos.z];
}

bool CGameState::isVisible( const CGObjectInstance *obj, int player )
{
	if(player == -1)
		return true;

	if(player == 255) //neutral player  -> TODO ??? needed?
		return false;
	//object is visible when at least one blocked tile is visible
	for(int fx=0; fx<8; ++fx)
	{
		for(int fy=0; fy<6; ++fy)
		{
			int3 pos = obj->pos + int3(fx-7,fy-5,0);
			if(map->isInTheMap(pos)
				&& !((obj->defInfo->blockMap[fy] >> (7 - fx)) & 1)
				&& isVisible(pos, player)  )
				return true;
		}
	}
	return false;
}

bool CGameState::checkForVisitableDir(const int3 & src, const int3 & dst) const
{
	const TerrainTile * pom = &map->getTile(dst);
	return checkForVisitableDir(src, pom, dst);
}

bool CGameState::checkForVisitableDir( const int3 & src, const TerrainTile *pom, const int3 & dst ) const
{
	for(ui32 b=0; b<pom->visitableObjects.size(); ++b) //checking destination tile
	{
		if(!vstd::contains(pom->blockingObjects, pom->visitableObjects[b])) //this visitable object is not blocking, ignore
			continue;

		CGDefInfo * di = pom->visitableObjects[b]->defInfo;
		if( (dst.x == src.x-1 && dst.y == src.y-1) && !(di->visitDir & (1<<4)) )
		{
			return false;
		}
		if( (dst.x == src.x && dst.y == src.y-1) && !(di->visitDir & (1<<5)) )
		{
			return false;
		}
		if( (dst.x == src.x+1 && dst.y == src.y-1) && !(di->visitDir & (1<<6)) )
		{
			return false;
		}
		if( (dst.x == src.x+1 && dst.y == src.y) && !(di->visitDir & (1<<7)) )
		{
			return false;
		}
		if( (dst.x == src.x+1 && dst.y == src.y+1) && !(di->visitDir & (1<<0)) )
		{
			return false;
		}
		if( (dst.x == src.x && dst.y == src.y+1) && !(di->visitDir & (1<<1)) )
		{
			return false;
		}
		if( (dst.x == src.x-1 && dst.y == src.y+1) && !(di->visitDir & (1<<2)) )
		{
			return false;
		}
		if( (dst.x == src.x-1 && dst.y == src.y) && !(di->visitDir & (1<<3)) )
		{
			return false;
		}
	}
	return true;
}


int CGameState::victoryCheck( ui8 player ) const
{
	const PlayerState *p = CGameInfoCallback::getPlayer(player);
	if(map->victoryCondition.condition == EVictoryConditionType::WINSTANDARD  ||  map->victoryCondition.allowNormalVictory
		|| (!p->human && !map->victoryCondition.appliesToAI)) //if the special victory condition applies only to human, AI has the standard)
	{
		if(player == checkForStandardWin())
			return -1;
	}

	if (p->enteredWinningCheatCode)
	{ //cheater or tester, but has entered the code...
		if(map->victoryCondition.condition == EVictoryConditionType::WINSTANDARD)
			return -1;
		else
			return 1;
	}

	if(p->human || map->victoryCondition.appliesToAI)
	{
 		switch(map->victoryCondition.condition)
		{
		case EVictoryConditionType::ARTIFACT:
			//check if any hero has winning artifact
			for(size_t i = 0; i < p->heroes.size(); i++)
                if(p->heroes[i]->hasArt(map->victoryCondition.objectId))
					return 1;

			break;

		case EVictoryConditionType::GATHERTROOP:
			{
				//check if in players armies there is enough creatures
				int total = 0; //creature counter
				for(size_t i = 0; i < map->objects.size(); i++)
				{
					const CArmedInstance *ai = NULL;
					if(map->objects[i]
						&& map->objects[i]->tempOwner == player //object controlled by player
						&&  (ai = dynamic_cast<const CArmedInstance*>(map->objects[i].get()))) //contains army
					{
						for(TSlots::const_iterator i=ai->Slots().begin(); i!=ai->Slots().end(); ++i) //iterate through army
                            if(i->second->type->idNumber == map->victoryCondition.objectId) //it's searched creature
								total += i->second->count;
					}
				}

				if(total >= map->victoryCondition.count)
					return 1;
			}
			break;

		case EVictoryConditionType::GATHERRESOURCE:
            if(p->resources[map->victoryCondition.objectId] >= map->victoryCondition.count)
				return 1;

			break;

		case EVictoryConditionType::BUILDCITY:
			{
				const CGTownInstance *t = static_cast<const CGTownInstance *>(map->victoryCondition.obj);
                if(t->tempOwner == player && t->fortLevel()-1 >= map->victoryCondition.objectId && t->hallLevel()-1 >= map->victoryCondition.count)
					return 1;
			}
			break;

		case EVictoryConditionType::BUILDGRAIL:
			BOOST_FOREACH(const CGTownInstance *t, map->towns)
				if((t == map->victoryCondition.obj || !map->victoryCondition.obj)
					&& t->tempOwner == player
					&& t->hasBuilt(EBuilding::GRAIL))
					return 1;
			break;

		case EVictoryConditionType::BEATHERO:
			if(map->victoryCondition.obj->tempOwner >= GameConstants::PLAYER_LIMIT) //target hero not present on map
				return 1;
			break;
		case EVictoryConditionType::CAPTURECITY:
			{
				if(map->victoryCondition.obj->tempOwner == player)
					return 1;
			}
			break;
		case EVictoryConditionType::BEATMONSTER:
			if(!map->objects[map->victoryCondition.obj->id]) //target monster not present on map
				return 1;
			break;
		case EVictoryConditionType::TAKEDWELLINGS:
			for(size_t i = 0; i < map->objects.size(); i++)
			{
				if(map->objects[i] && map->objects[i]->tempOwner != player) //check not flagged objs
				{
					switch(map->objects[i]->ID)
					{
					case 17: case 18: case 19: case 20: //dwellings
					case 216: case 217: case 218:
						return 0; //found not flagged dwelling - player not won
					}
				}
			}
			return 1;
			break;
		case EVictoryConditionType::TAKEMINES:
			for(size_t i = 0; i < map->objects.size(); i++)
			{
				if(map->objects[i] && map->objects[i]->tempOwner != player) //check not flagged objs
				{
					switch(map->objects[i]->ID)
					{
					case 53: case 220:
						return 0; //found not flagged mine - player not won
					}
				}
			}
			return 1;
			break;
		case EVictoryConditionType::TRANSPORTITEM:
			{
				const CGTownInstance *t = static_cast<const CGTownInstance *>(map->victoryCondition.obj);
                if((t->visitingHero && t->visitingHero->hasArt(map->victoryCondition.objectId))
                    || (t->garrisonHero && t->garrisonHero->hasArt(map->victoryCondition.objectId)))
				{
					return 1;
				}
			}
			break;
 		}
	}

	return 0;
}

ui8 CGameState::checkForStandardWin() const
{
	//std victory condition is:
	//all enemies lost
	TPlayerColor supposedWinner = 255, winnerTeam = 255;
	for(auto i = players.begin(); i != players.end(); i++)
	{
		if(i->second.status == PlayerState::INGAME && i->first < GameConstants::PLAYER_LIMIT)
		{
			if(supposedWinner == 255)
			{
				//first player remaining ingame - candidate for victory
				supposedWinner = i->second.color;
				winnerTeam = i->second.team;
			}
			else if(winnerTeam != i->second.team)
			{
				//current candidate has enemy remaining in game -> no vicotry
				return 255;
			}
		}
	}

	return supposedWinner;
}

bool CGameState::checkForStandardLoss( ui8 player ) const
{
	//std loss condition is: player lost all towns and heroes
	const PlayerState &p = *CGameInfoCallback::getPlayer(player);
	return !p.heroes.size() && !p.towns.size();
}

struct statsHLP
{
	typedef std::pair< TPlayerColor, si64 > TStat;
	//converts [<player's color, value>] to vec[place] -> platers
	static std::vector< std::vector< TPlayerColor > > getRank( std::vector<TStat> stats )
	{
		std::sort(stats.begin(), stats.end(), statsHLP());

		//put first element
		std::vector< std::vector<TPlayerColor> > ret;
		std::vector<TPlayerColor> tmp;
		tmp.push_back( stats[0].first );
		ret.push_back( tmp );

		//the rest of elements
		for(int g=1; g<stats.size(); ++g)
		{
			if(stats[g].second == stats[g-1].second)
			{
				(ret.end()-1)->push_back( stats[g].first );
			}
			else
			{
				//create next occupied rank
				std::vector<TPlayerColor> tmp;
				tmp.push_back(stats[g].first);
				ret.push_back(tmp);
			}
		}

		return ret;
	}

	bool operator()(const TStat & a, const TStat & b) const
	{
		return a.second > b.second;
	}

	static const CGHeroInstance * findBestHero(CGameState * gs, int color)
	{
		std::vector<ConstTransitivePtr<CGHeroInstance> > &h = gs->players[color].heroes;
		if(!h.size())
			return NULL;
		//best hero will be that with highest exp
		int best = 0;
		for(int b=1; b<h.size(); ++b)
		{
			if(h[b]->exp > h[best]->exp)
			{
				best = b;
			}
		}
		return h[best];
	}

	//calculates total number of artifacts that belong to given player
	static int getNumberOfArts(const PlayerState * ps)
	{
		int ret = 0;
		BOOST_FOREACH(auto h, ps->heroes)
		{
			ret += h->artifactsInBackpack.size() + h->artifactsWorn.size();
		}
		return ret;
	}

	// get total strength of player army
	static si64 getArmyStrength(const PlayerState * ps)
	{
		si64 str = 0;

		BOOST_FOREACH(auto h, ps->heroes)
		{
			if(!h->inTownGarrison)		//original h3 behavior
				str += h->getArmyStrength();
		}
		return str;
	}
};

void CGameState::obtainPlayersStats(SThievesGuildInfo & tgi, int level)
{
#define FILL_FIELD(FIELD, VAL_GETTER) \
	{ \
		std::vector< std::pair< TPlayerColor, si64 > > stats; \
		for(auto g = players.begin(); g != players.end(); ++g) \
		{ \
			if(g->second.color == 255) \
				continue; \
			std::pair< ui8, si64 > stat; \
			stat.first = g->second.color; \
			stat.second = VAL_GETTER; \
			stats.push_back(stat); \
		} \
		tgi.FIELD = statsHLP::getRank(stats); \
	}

	for(auto g = players.begin(); g != players.end(); ++g)
	{
		if(g->second.color != 255)
			tgi.playerColors.push_back(g->second.color);
	}

	if(level >= 1) //num of towns & num of heroes
	{
		//num of towns
		FILL_FIELD(numOfTowns, g->second.towns.size())
		//num of heroes
		FILL_FIELD(numOfHeroes, g->second.heroes.size())
		//best hero's portrait
		for(auto g = players.cbegin(); g != players.cend(); ++g)
		{
			if(g->second.color == 255)
				continue;
			const CGHeroInstance * best = statsHLP::findBestHero(this, g->second.color);
			InfoAboutHero iah;
			iah.initFromHero(best, level >= 8);
			iah.army.clear();
			tgi.colorToBestHero[g->second.color] = iah;
		}
	}
	if(level >= 2) //gold
	{
		FILL_FIELD(gold, g->second.resources[Res::GOLD])
	}
	if(level >= 2) //wood & ore
	{
		FILL_FIELD(woodOre, g->second.resources[Res::WOOD] + g->second.resources[Res::ORE])
	}
	if(level >= 3) //mercury, sulfur, crystal, gems
	{
		FILL_FIELD(mercSulfCrystGems, g->second.resources[Res::MERCURY] + g->second.resources[Res::SULFUR] + g->second.resources[Res::CRYSTAL] + g->second.resources[Res::GEMS])
	}
	if(level >= 4) //obelisks found
	{
		//TODO
	}
	if(level >= 5) //artifacts
	{
		FILL_FIELD(artifacts, statsHLP::getNumberOfArts(&g->second))
	}
	if(level >= 6) //army strength
	{
		FILL_FIELD(army, statsHLP::getArmyStrength(&g->second))
	}
	if(level >= 7) //income
	{
		//TODO
	}
	if(level >= 8) //best hero's stats
	{
		//already set in  lvl 1 handling
	}
	if(level >= 9) //personality
	{
		for(auto g = players.cbegin(); g != players.cend(); ++g)
		{
			if(g->second.color == 255) //do nothing for neutral player
				continue;
			if(g->second.human)
			{
                tgi.personality[g->second.color] = EAiTactic::NONE;
			}
			else //AI
			{
                tgi.personality[g->second.color] = map->players[g->second.color].aiTactic;
			}

		}
	}
	if(level >= 10) //best creature
	{
		//best creatures belonging to player (highest AI value)
		for(auto g = players.cbegin(); g != players.cend(); ++g)
		{
			if(g->second.color == 255) //do nothing for neutral player
				continue;
			int bestCre = -1; //best creature's ID
			for(int b=0; b<g->second.heroes.size(); ++b)
			{
				for(TSlots::const_iterator it = g->second.heroes[b]->Slots().begin(); it != g->second.heroes[b]->Slots().end(); ++it)
				{
					int toCmp = it->second->type->idNumber; //ID of creature we should compare with the best one
					if(bestCre == -1 || VLC->creh->creatures[bestCre]->AIValue < VLC->creh->creatures[toCmp]->AIValue)
					{
						bestCre = toCmp;
					}
				}
			}
			tgi.bestCreature[g->second.color] = bestCre;
		}
	}

#undef FILL_FIELD
}

int CGameState::lossCheck( ui8 player ) const
{
	const PlayerState *p = CGameInfoCallback::getPlayer(player);
	//if(map->lossCondition.typeOfLossCon == lossStandard)
		if(checkForStandardLoss(player))
			return -1;

	if (p->enteredLosingCheatCode)
	{
		return 1;
	}

	if(p->human) //special loss condition applies only to human player
	{
		switch(map->lossCondition.typeOfLossCon)
		{
		case ELossConditionType::LOSSCASTLE:
			{
				const CGTownInstance *t = dynamic_cast<const CGTownInstance *>(map->lossCondition.obj);
				assert(t);
				if(t->tempOwner != player)
					return 1;
			}
			break;
		case ELossConditionType::LOSSHERO:
			{
				const CGHeroInstance *h = dynamic_cast<const CGHeroInstance *>(map->lossCondition.obj);
				assert(h);
				if(h->tempOwner != player)
					return 1;
			}
			break;
		case ELossConditionType::TIMEEXPIRES:
			if(map->lossCondition.timeLimit < day)
				return 1;
			break;
		}
	}

	if(!p->towns.size() && p->daysWithoutCastle >= 7)
		return 2;

	return false;
}

bmap<ui32, ConstTransitivePtr<CGHeroInstance> > CGameState::unusedHeroesFromPool()
{
	bmap<ui32, ConstTransitivePtr<CGHeroInstance> > pool = hpool.heroesPool;
	for ( auto i = players.cbegin() ; i != players.cend();i++)
		for(auto j = i->second.availableHeroes.cbegin(); j != i->second.availableHeroes.cend(); j++)
			if(*j)
				pool.erase((**j).subID);

	return pool;
}

void CGameState::buildBonusSystemTree()
{
	buildGlobalTeamPlayerTree();
	attachArmedObjects();

	BOOST_FOREACH(CGTownInstance *t, map->towns)
	{
		t->deserializationFix();
	}
	// CStackInstance <-> CCreature, CStackInstance <-> CArmedInstance, CArtifactInstance <-> CArtifact
	// are provided on initializing / deserializing
}

void CGameState::deserializationFix()
{
	buildGlobalTeamPlayerTree();
	attachArmedObjects();
}

void CGameState::buildGlobalTeamPlayerTree()
{
	for(auto k=teams.begin(); k!=teams.end(); ++k)
	{
		TeamState *t = &k->second;
		t->attachTo(&globalEffects);

		BOOST_FOREACH(ui8 teamMember, k->second.players)
		{
			PlayerState *p = getPlayer(teamMember);
			assert(p);
			p->attachTo(t);
		}
	}
}

void CGameState::attachArmedObjects()
{
	BOOST_FOREACH(CGObjectInstance *obj, map->objects)
	{
		if(CArmedInstance *armed = dynamic_cast<CArmedInstance*>(obj))
			armed->whatShouldBeAttached()->attachTo(armed->whereShouldBeAttached(this));
	}
}

void CGameState::giveHeroArtifact(CGHeroInstance *h, int aid)
{
	 CArtifact * const artifact = VLC->arth->artifacts[aid]; //pointer to constant object
	 CArtifactInstance *ai = CArtifactInstance::createNewArtifactInstance(artifact);
	 map->addNewArtifactInstance(ai);
	 ai->putAt(ArtifactLocation(h, ai->firstAvailableSlot(h)));
}

int3 CPath::startPos() const
{
	return nodes[nodes.size()-1].coord;
}
void CPath::convert(ui8 mode) //mode=0 -> from 'manifest' to 'object'
{
	if (mode==0)
	{
		for (ui32 i=0;i<nodes.size();i++)
		{
			nodes[i].coord = CGHeroInstance::convertPosition(nodes[i].coord,true);
		}
	}
}

int3 CPath::endPos() const
{
	return nodes[0].coord;
}

CGPathNode::CGPathNode()
:coord(-1,-1,-1)
{
	accessible = 0;
	land = 0;
	moveRemains = 0;
	turns = 255;
	theNodeBefore = NULL;
}

bool CGPathNode::reachable() const
{
	return turns < 255;
}

bool CPathsInfo::getPath( const int3 &dst, CGPath &out )
{
	assert(isValid);

	out.nodes.clear();
	const CGPathNode *curnode = &nodes[dst.x][dst.y][dst.z];
	if(!curnode->theNodeBefore)
		return false;


	while(curnode)
	{
		CGPathNode cpn = *curnode;
		curnode = curnode->theNodeBefore;
		out.nodes.push_back(cpn);
	}
	return true;
}

CPathsInfo::CPathsInfo( const int3 &Sizes )
:sizes(Sizes)
{
	hero = NULL;
	nodes = new CGPathNode**[sizes.x];
	for(int i = 0; i < sizes.x; i++)
	{
		nodes[i] = new CGPathNode*[sizes.y];
		for (int j = 0; j < sizes.y; j++)
		{
			nodes[i][j] = new CGPathNode[sizes.z];
		}
	}
}

CPathsInfo::~CPathsInfo()
{
	for(int i = 0; i < sizes.x; i++)
	{
		for (int j = 0; j < sizes.y; j++)
		{
			delete [] nodes[i][j];
		}
		delete [] nodes[i];
	}
	delete [] nodes;
}

int3 CGPath::startPos() const
{
	return nodes[nodes.size()-1].coord;
}

int3 CGPath::endPos() const
{
	return nodes[0].coord;
}

void CGPath::convert( ui8 mode )
{
	if(mode==0)
	{
		for(ui32 i=0;i<nodes.size();i++)
		{
			nodes[i].coord = CGHeroInstance::convertPosition(nodes[i].coord,true);
		}
	}
}

PlayerState::PlayerState()
 : color(-1), currentSelection(0xffffffff), enteredWinningCheatCode(0),
   enteredLosingCheatCode(0), status(INGAME), daysWithoutCastle(0)
{
	setNodeType(PLAYER);
}

std::string PlayerState::nodeName() const
{
	return "Player " + (color < VLC->generaltexth->capColors.size() ? VLC->generaltexth->capColors[color] : boost::lexical_cast<std::string>(color));
}

// void PlayerState::getParents(TCNodes &out, const CBonusSystemNode *root /*= NULL*/) const
// {
// 	return; //no loops possible
// }
//
// void PlayerState::getBonuses(BonusList &out, const CSelector &selector, const CBonusSystemNode *root /*= NULL*/) const
// {
// 	for (std::vector<CGHeroInstance *>::const_iterator it = heroes.begin(); it != heroes.end(); it++)
// 	{
// 		if (*it != root)
// 			(*it)->getBonuses(out, selector, this);
// 	}
// }

InfoAboutArmy::InfoAboutArmy():
    owner(GameConstants::NEUTRAL_PLAYER)
{}

InfoAboutArmy::InfoAboutArmy(const CArmedInstance *Army, bool detailed)
{
	initFromArmy(Army, detailed);
}

void InfoAboutArmy::initFromArmy(const CArmedInstance *Army, bool detailed)
{
	army = ArmyDescriptor(Army, detailed);
	owner = Army->tempOwner;
	name = Army->getHoverText();
}

void InfoAboutHero::assign(const InfoAboutHero & iah)
{
	InfoAboutArmy::operator = (iah);

	details = (iah.details ? new Details(*iah.details) : NULL);
	hclass = iah.hclass;
	portrait = iah.portrait;
}

InfoAboutHero::InfoAboutHero():
    details(nullptr),
    hclass(nullptr),
    portrait(-1)
{}

InfoAboutHero::InfoAboutHero(const InfoAboutHero & iah):
    InfoAboutArmy()
{
	assign(iah);
}

InfoAboutHero::InfoAboutHero(const CGHeroInstance *h, bool detailed)
{
	initFromHero(h, detailed);
}

InfoAboutHero::~InfoAboutHero()
{
	delete details;
}

InfoAboutHero & InfoAboutHero::operator=(const InfoAboutHero & iah)
{
	assign(iah);
	return *this;
}

void InfoAboutHero::initFromHero(const CGHeroInstance *h, bool detailed)
{
	if(!h)
		return;

	initFromArmy(h, detailed);

	hclass = h->type->heroClass;
	name = h->name;
	portrait = h->portrait;

	if(detailed)
	{
		//include details about hero
		details = new Details;
		details->luck = h->LuckVal();
		details->morale = h->MoraleVal();
		details->mana = h->mana;
		details->primskills.resize(GameConstants::PRIMARY_SKILLS);

		for (int i = 0; i < GameConstants::PRIMARY_SKILLS ; i++)
		{
			details->primskills[i] = h->getPrimSkillLevel(i);
		}
	}
}

InfoAboutTown::InfoAboutTown():
    details(nullptr),
    tType(nullptr),
    built(0),
    fortLevel(0)
{

}

InfoAboutTown::InfoAboutTown(const CGTownInstance *t, bool detailed)
{
	initFromTown(t, detailed);
}

InfoAboutTown::~InfoAboutTown()
{
	delete details;
}

void InfoAboutTown::initFromTown(const CGTownInstance *t, bool detailed)
{
	initFromArmy(t, detailed);
	army = ArmyDescriptor(t->getUpperArmy(), detailed);
	built = t->builded;
	fortLevel = t->fortLevel();
	name = t->name;
	tType = t->town;

	if(detailed)
	{
		//include details about hero
		details = new Details;
		details->goldIncome = t->dailyIncome();
		details->customRes = t->hasBuilt(EBuilding::RESOURCE_SILO);
		details->hallLevel = t->hallLevel();
		details->garrisonedHero = t->garrisonHero;
	}
}

ArmyDescriptor::ArmyDescriptor(const CArmedInstance *army, bool detailed)
    : isDetailed(detailed)
{
	for(TSlots::const_iterator i = army->Slots().begin(); i != army->Slots().end(); i++)
	{
		if(detailed)
			(*this)[i->first] = *i->second;
		else
			(*this)[i->first] = CStackBasicDescriptor(i->second->type, i->second->getQuantityID());
	}
}

ArmyDescriptor::ArmyDescriptor()
    : isDetailed(false)
{

}

int ArmyDescriptor::getStrength() const
{
	ui64 ret = 0;
	if(isDetailed)
	{
		for(const_iterator i = begin(); i != end(); i++)
			ret += i->second.type->AIValue * i->second.count;
	}
	else
	{
		for(const_iterator i = begin(); i != end(); i++)
			ret += i->second.type->AIValue * CCreature::estimateCreatureCount(i->second.count);
	}
	return ret;
}

DuelParameters::SideSettings::StackSettings::StackSettings()
	: type(-1), count(0)
{
}

DuelParameters::SideSettings::StackSettings::StackSettings(si32 Type, si32 Count)
	: type(Type), count(Count)
{
}

DuelParameters::SideSettings::SideSettings()
{
	heroId = -1;
}

DuelParameters::DuelParameters()
{
    terType = ETerrainType::DIRT;
	bfieldType = 15;
}

DuelParameters DuelParameters::fromJSON(const std::string &fname)
{
	DuelParameters ret;

	const JsonNode duelData(ResourceID("DATA/" + fname, EResType::TEXT));
	ret.terType = duelData["terType"].Float();
	ret.bfieldType = duelData["bfieldType"].Float();
	BOOST_FOREACH(const JsonNode &n, duelData["sides"].Vector())
	{
		SideSettings &ss = ret.sides[(int)n["side"].Float()];
		int i = 0;
		BOOST_FOREACH(const JsonNode &stackNode, n["army"].Vector())
		{
			ss.stacks[i].type = stackNode.Vector()[0].Float();
			ss.stacks[i].count = stackNode.Vector()[1].Float();
			i++;
		}

		if(n["heroid"].getType() == JsonNode::DATA_FLOAT)
			ss.heroId = n["heroid"].Float();
		else
			ss.heroId = -1;

		BOOST_FOREACH(const JsonNode &n, n["heroPrimSkills"].Vector())
			ss.heroPrimSkills.push_back(n.Float());

		BOOST_FOREACH(const JsonNode &skillNode, n["heroSecSkills"].Vector())
		{
			std::pair<si32, si8> secSkill;
			secSkill.first = skillNode.Vector()[0].Float();
			secSkill.second = skillNode.Vector()[1].Float();
			ss.heroSecSkills.push_back(secSkill);
		}

		assert(ss.heroPrimSkills.empty() || ss.heroPrimSkills.size() == GameConstants::PRIMARY_SKILLS);

		if(ss.heroId != -1)
		{
			const JsonNode & spells = n["spells"];
			if(spells.getType() == JsonNode::DATA_STRING  &&  spells.String() == "all")
			{
				BOOST_FOREACH(auto spell, VLC->spellh->spells)
					if(spell->id <= Spells::SUMMON_AIR_ELEMENTAL)
						ss.spells.insert(spell->id);
			}
			else
				BOOST_FOREACH(const JsonNode &spell, n["spells"].Vector())
					ss.spells.insert(spell.Float());
		}
	}

	BOOST_FOREACH(const JsonNode &n, duelData["obstacles"].Vector())
	{
		auto oi = make_shared<CObstacleInstance>();
		if(n.getType() == JsonNode::DATA_VECTOR)
		{
			oi->ID = n.Vector()[0].Float();
			oi->pos = n.Vector()[1].Float();
		}
		else
		{
			assert(n.getType() == JsonNode::DATA_FLOAT);
			oi->ID = 21;
			oi->pos = n.Float();
		}
		oi->uniqueID = ret.obstacles.size();
		ret.obstacles.push_back(oi);
	}

	BOOST_FOREACH(const JsonNode &n, duelData["creatures"].Vector())
	{
		CusomCreature cc;
		cc.id = n["id"].Float();

#define retreive(name)								\
	if(n[ #name ].getType() == JsonNode::DATA_FLOAT)\
	cc.name = n[ #name ].Float();			\
	else											\
	cc.name = -1;

		retreive(attack);
		retreive(defense);
		retreive(HP);
		retreive(dmg);
		retreive(shoots);
		retreive(speed);
		ret.creatures.push_back(cc);
	}

	return ret;
}

TeamState::TeamState()
{
	setNodeType(TEAM);
}

void CPathfinder::initializeGraph()
{
	CGPathNode ***graph = out.nodes;
	for(size_t i=0; i < out.sizes.x; ++i)
	{
		for(size_t j=0; j < out.sizes.y; ++j)
		{
			for(size_t k=0; k < out.sizes.z; ++k)
			{
				curPos = int3(i,j,k);
				const TerrainTile *tinfo = &gs->map->terrain[i][j][k];
				CGPathNode &node = graph[i][j][k];
				node.accessible = evaluateAccessibility(tinfo);
				node.turns = 0xff;
				node.moveRemains = 0;
				node.coord.x = i;
				node.coord.y = j;
				node.coord.z = k;
                node.land = tinfo->terType != ETerrainType::WATER;
				node.theNodeBefore = NULL;
			}
		}
	}
}

void CPathfinder::calculatePaths(int3 src /*= int3(-1,-1,-1)*/, int movement /*= -1*/)
{
	assert(hero);
	assert(hero == getHero(hero->id));
	if(src.x < 0)
		src = hero->getPosition(false);
	if(movement < 0)
		movement = hero->movement;

	out.hero = hero;
	out.hpos = src;

	if(!gs->map->isInTheMap(src)/* || !gs->map->isInTheMap(dest)*/) //check input
	{
		tlog1 << "CGameState::calculatePaths: Hero outside the gs->map? How dare you...\n";
		return;
	}

	initializeGraph();


	//initial tile - set cost on 0 and add to the queue
	CGPathNode &initialNode = *getNode(src);
	initialNode.turns = 0;
	initialNode.moveRemains = movement;
	mq.push_back(&initialNode);

	std::vector<int3> neighbours;
	neighbours.reserve(16);
	while(!mq.empty())
	{
		cp = mq.front();
		mq.pop_front();

		const int3 sourceGuardPosition = guardingCreaturePosition(cp->coord);
		bool guardedSource = (sourceGuardPosition != int3(-1, -1, -1) && cp->coord != src);
		ct = &gs->map->getTile(cp->coord);

		int movement = cp->moveRemains, turn = cp->turns;
		if(!movement)
		{
			movement = hero->maxMovePoints(cp->land);
			turn++;
		}


		//add accessible neighbouring nodes to the queue
		neighbours.clear();

		//handling subterranean gate => it's exit is the only neighbour
        bool subterraneanEntry = (ct->topVisitableId() == Obj::SUBTERRANEAN_GATE && useSubterraneanGates);
		if(subterraneanEntry)
		{
			//try finding the exit gate
			if(const CGObjectInstance *outGate = getObj(CGTeleport::getMatchingGate(ct->visitableObjects.back()->id), false))
			{
				const int3 outPos = outGate->visitablePos();
				//gs->getNeighbours(*getTile(outPos), outPos, neighbours, boost::logic::indeterminate, !cp->land);
				neighbours.push_back(outPos);
			}
			else
			{
				//gate with no exit (blocked) -> do nothing with this node
				continue;
			}
		}

		gs->getNeighbours(*ct, cp->coord, neighbours, boost::logic::indeterminate, !cp->land);

		for(ui32 i=0; i < neighbours.size(); i++)
		{
			const int3 &n = neighbours[i]; //current neighbor
			dp = getNode(n);
			dt = &gs->map->getTile(n);
            destTopVisObjID = dt->topVisitableId();

			useEmbarkCost = 0; //0 - usual movement; 1 - embark; 2 - disembark

			int turnAtNextTile = turn;


			const bool destIsGuardian = sourceGuardPosition == n;

			if(!goodForLandSeaTransition())
				continue;

			if(!canMoveBetween(cp->coord, dp->coord) || dp->accessible == CGPathNode::BLOCKED )
				continue;

			//special case -> hero embarked a boat standing on a guarded tile -> we must allow to move away from that tile
            if(cp->accessible == CGPathNode::VISITABLE && guardedSource && cp->theNodeBefore->land && ct->topVisitableId() == Obj::BOAT)
				guardedSource = false;

			int cost = gs->getMovementCost(hero, cp->coord, dp->coord, movement);

			//special case -> moving from src Subterranean gate to dest gate -> it's free
			if(subterraneanEntry && destTopVisObjID == Obj::SUBTERRANEAN_GATE && cp->coord.z != dp->coord.z)
				cost = 0;

			int remains = movement - cost;

			if(useEmbarkCost)
			{
				remains = hero->movementPointsAfterEmbark(movement, cost, useEmbarkCost - 1);
				cost = movement - remains;
			}

			if(remains < 0)
			{
				//occurs rarely, when hero with low movepoints tries to leave the road
				turnAtNextTile++;
				int moveAtNextTile = hero->maxMovePoints(cp->land);
				cost = gs->getMovementCost(hero, cp->coord, dp->coord, moveAtNextTile); //cost must be updated, movement points changed :(
				remains = moveAtNextTile - cost;
			}

			if((dp->turns==0xff		//we haven't been here before
				|| dp->turns > turnAtNextTile
				|| (dp->turns >= turnAtNextTile  &&  dp->moveRemains < remains)) //this route is faster
				&& (!guardedSource || destIsGuardian)) // Can step into tile of guard
			{

				assert(dp != cp->theNodeBefore); //two tiles can't point to each other
				dp->moveRemains = remains;
				dp->turns = turnAtNextTile;
				dp->theNodeBefore = cp;

				const bool guardedDst = guardingCreaturePosition(dp->coord) != int3(-1, -1, -1)
										&& dp->accessible == CGPathNode::BLOCKVIS;

				if (dp->accessible == CGPathNode::ACCESSIBLE
					|| (useEmbarkCost && allowEmbarkAndDisembark)
					|| destTopVisObjID == Obj::SUBTERRANEAN_GATE
					|| (guardedDst && !guardedSource)) // Can step into a hostile tile once.
				{
					mq.push_back(dp);
				}
			}
		} //neighbours loop
	} //queue loop

	out.isValid = true;
}

CGPathNode *CPathfinder::getNode(const int3 &coord)
{
	return &out.nodes[coord.x][coord.y][coord.z];
}

bool CPathfinder::canMoveBetween(const int3 &a, const int3 &b) const
{
	return gs->checkForVisitableDir(a, b) && gs->checkForVisitableDir(b, a);
}

bool CPathfinder::canStepOntoDst() const
{
	//TODO remove
	assert(0);
	return false;
}

CGPathNode::EAccessibility CPathfinder::evaluateAccessibility(const TerrainTile *tinfo) const
{
	CGPathNode::EAccessibility ret = (tinfo->blocked ? CGPathNode::BLOCKED : CGPathNode::ACCESSIBLE);


    if(tinfo->terType == ETerrainType::ROCK || !FoW[curPos.x][curPos.y][curPos.z])
		return CGPathNode::BLOCKED;

	if(tinfo->visitable)
	{
		if(tinfo->visitableObjects.front()->ID == 80 && tinfo->visitableObjects.back()->ID == Obj::HERO && tinfo->visitableObjects.back()->tempOwner != hero->tempOwner) //non-owned hero stands on Sanctuary
		{
			return CGPathNode::BLOCKED;
		}
		else
		{
			BOOST_FOREACH(const CGObjectInstance *obj, tinfo->visitableObjects)
			{
				if(obj->getPassableness() & 1<<hero->tempOwner) //special object instance specific passableness flag - overwrites other accessibility flags
				{
					ret = CGPathNode::ACCESSIBLE;
				}
				else if(obj->blockVisit)
				{
					return CGPathNode::BLOCKVIS;
				}
				else if(obj->ID != Obj::EVENT) //pathfinder should ignore placed events
				{
					ret =  CGPathNode::VISITABLE;
				}
			}
		}
	}
	else if (gs->map->isInTheMap(guardingCreaturePosition(curPos))
		&& !tinfo->blocked)
	{
		// Monster close by; blocked visit for battle.
		return CGPathNode::BLOCKVIS;
	}

	return ret;
}

bool CPathfinder::goodForLandSeaTransition()
{
	if(cp->land != dp->land) //hero can traverse land<->sea only in special circumstances
	{
		if(cp->land) //from land to sea -> embark or assault hero on boat
		{
			if(dp->accessible == CGPathNode::ACCESSIBLE || destTopVisObjID < 0) //cannot enter empty water tile from land -> it has to be visitable
				return false;
			if(destTopVisObjID != Obj::HERO && destTopVisObjID != Obj::BOAT) //only boat or hero can be accessed from land
				return false;
			if(destTopVisObjID == Obj::BOAT)
				useEmbarkCost = 1;
		}
		else //disembark
		{
			//can disembark only on coastal tiles
			if(!dt->isCoastal())
				return false;

			//tile must be accessible -> exception: unblocked blockvis tiles -> clear but guarded by nearby monster coast
			if( (dp->accessible != CGPathNode::ACCESSIBLE && (dp->accessible != CGPathNode::BLOCKVIS || dt->blocked))
				|| dt->visitable)  //TODO: passableness problem -> town says it's passable (thus accessible) but we obviously can't disembark onto town gate
				return false;;

			useEmbarkCost = 2;
		}
	}

	return true;
}

CPathfinder::CPathfinder(CPathsInfo &_out, CGameState *_gs, const CGHeroInstance *_hero) : CGameInfoCallback(_gs, -1), out(_out), hero(_hero), FoW(getPlayerTeam(hero->tempOwner)->fogOfWarMap)
{
	useSubterraneanGates = true;
	allowEmbarkAndDisembark = true;
}