/*
 *
 * CQuest.cpp, part of VCMI engine
 *
 * Authors: listed in file AUTHORS in main folder
 *
 * License: GNU General Public License v2.0 or later
 * Full text of license available in license.txt file, in main folder
 *
 */

#include "StdInc.h"
#include "CQuest.h"

#include "../NetPacks.h"
#include "../CSoundBase.h"
#include "../CGeneralTextHandler.h"
#include "../CHeroHandler.h"
#include "CObjectClassesHandler.h"
#include "../IGameCallback.h"
#include "../CGameState.h"

std::map <PlayerColor, std::set <ui8> > CGKeys::playerKeyMap;

///helpers
static void showInfoDialog(const PlayerColor playerID, const ui32 txtID, const ui16 soundID)
{
	InfoWindow iw;
	iw.soundID = soundID;
	iw.player = playerID;
	iw.text.addTxt(MetaString::ADVOB_TXT,txtID);
	IObjectInterface::cb->sendAndApply(&iw);
}

static void showInfoDialog(const CGHeroInstance* h, const ui32 txtID, const ui16 soundID)
{
	const PlayerColor playerID = h->getOwner();
	showInfoDialog(playerID,txtID,soundID);
}

static std::string & visitedTxt(const bool visited)
{
	int id = visited ? 352 : 353;
	return VLC->generaltexth->allTexts[id];
}

bool CQuest::checkQuest (const CGHeroInstance * h) const
{
	switch (missionType)
	{
		case MISSION_NONE:
			return true;
		case MISSION_LEVEL:
			if (m13489val <= h->level)
				return true;
			return false;
		case MISSION_PRIMARY_STAT:
			for (int i = 0; i < GameConstants::PRIMARY_SKILLS; ++i)
			{
				if (h->getPrimSkillLevel(static_cast<PrimarySkill::PrimarySkill>(i)) < m2stats[i])
					return false;
			}
			return true;
		case MISSION_KILL_HERO:
		case MISSION_KILL_CREATURE:
			if (!h->cb->getObjByQuestIdentifier(m13489val))
				return true;
			return false;
		case MISSION_ART:
			for (auto & elem : m5arts)
			{
				if (h->hasArt(elem))
					continue;
				return false; //if the artifact was not found
			}
			return true;
		case MISSION_ARMY:
			{
				std::vector<CStackBasicDescriptor>::const_iterator cre;
				TSlots::const_iterator it;
				ui32 count;
				for (cre = m6creatures.begin(); cre != m6creatures.end(); ++cre)
				{
					for (count = 0, it = h->Slots().begin(); it !=  h->Slots().end(); ++it)
					{
						if (it->second->type == cre->type)
							count += it->second->count;
					}
					if (count < cre->count) //not enough creatures of this kind
						return false;
				}
			}
			return true;
		case MISSION_RESOURCES:
			for (Res::ERes i = Res::WOOD; i <= Res::GOLD; vstd::advance(i, +1)) //including Mithril ?
			{	//Quest has no direct access to callback
				if (h->cb->getResource (h->tempOwner, i) < m7resources[i])
					return false;
			}
			return true;
		case MISSION_HERO:
			if (m13489val == h->type->ID.getNum())
				return true;
			return false;
		case MISSION_PLAYER:
			if (m13489val == h->getOwner().getNum())
				return true;
			return false;
		default:
			return false;
	}
}

void CQuest::getVisitText (MetaString &iwText, std::vector<Component> &components, bool isCustom, bool firstVisit, const CGHeroInstance * h) const
{
	std::string text;
	bool failRequirements = (h ? !checkQuest(h) : true);

	if (firstVisit)
	{
		isCustom = isCustomFirst;
		iwText << (text = firstVisitText);
	}
	else if (failRequirements)
	{
		isCustom = isCustomNext;
		iwText << (text = nextVisitText);
	}
	switch (missionType)
	{
		case MISSION_LEVEL:
			components.push_back(Component (Component::EXPERIENCE, 0, m13489val, 0));
			if (!isCustom)
				iwText.addReplacement(m13489val);
			break;
		case MISSION_PRIMARY_STAT:
		{
			MetaString loot;
			for (int i = 0; i < 4; ++i)
			{
				if (m2stats[i])
				{
					components.push_back(Component (Component::PRIM_SKILL, i, m2stats[i], 0));
					loot << "%d %s";
					loot.addReplacement(m2stats[i]);
					loot.addReplacement(VLC->generaltexth->primarySkillNames[i]);
				}
			}
			if (!isCustom)
				iwText.addReplacement(loot.buildList());
		}
			break;
		case MISSION_KILL_HERO:
			components.push_back(Component(Component::HERO_PORTRAIT, heroPortrait, 0, 0));
			if (!isCustom)
				addReplacements(iwText, text);
			break;
		case MISSION_HERO:
			//FIXME: portrait may not match hero, if custom portrait was set in map editor
			components.push_back(Component (Component::HERO_PORTRAIT, VLC->heroh->heroes[m13489val]->imageIndex, 0, 0));
			if (!isCustom)
				iwText.addReplacement(VLC->heroh->heroes[m13489val]->name);
			break;
		case MISSION_KILL_CREATURE:
			{
				components.push_back(Component(stackToKill));
				if (!isCustom)
				{
					addReplacements(iwText, text);
				}
			}
			break;
		case MISSION_ART:
		{
			MetaString loot;
			for (auto & elem : m5arts)
			{
				components.push_back(Component (Component::ARTIFACT, elem, 0, 0));
				loot << "%s";
				loot.addReplacement(MetaString::ART_NAMES, elem);
			}
			if (!isCustom)
				iwText.addReplacement(loot.buildList());
		}
			break;
		case MISSION_ARMY:
		{
			MetaString loot;
			for (auto & elem : m6creatures)
			{
				components.push_back(Component(elem));
				loot << "%s";
				loot.addReplacement(elem);
			}
			if (!isCustom)
				iwText.addReplacement(loot.buildList());
		}
			break;
		case MISSION_RESOURCES:
		{
			MetaString loot;
			for (int i = 0; i < 7; ++i)
			{
				if (m7resources[i])
				{
					components.push_back(Component (Component::RESOURCE, i, m7resources[i], 0));
					loot << "%d %s";
					loot.addReplacement(m7resources[i]);
					loot.addReplacement(MetaString::RES_NAMES, i);
				}
			}
			if (!isCustom)
				iwText.addReplacement(loot.buildList());
		}
			break;
		case MISSION_PLAYER:
			components.push_back(Component (Component::FLAG, m13489val, 0, 0));
			if (!isCustom)
				iwText.addReplacement(VLC->generaltexth->colors[m13489val]);
			break;
	}
}

void CQuest::getRolloverText (MetaString &ms, bool onHover) const
{
	if (onHover)
		ms << "\n\n";

	ms << VLC->generaltexth->quests[missionType-1][onHover ? 3 : 4][textOption];

	switch (missionType)
	{
		case MISSION_LEVEL:
			ms.addReplacement(m13489val);
			break;
		case MISSION_PRIMARY_STAT:
			{
				MetaString loot;
				for (int i = 0; i < 4; ++i)
				{
					if (m2stats[i])
					{
						loot << "%d %s";
						loot.addReplacement(m2stats[i]);
						loot.addReplacement(VLC->generaltexth->primarySkillNames[i]);
					}
				}
				ms.addReplacement(loot.buildList());
			}
			break;
		case MISSION_KILL_HERO:
			ms.addReplacement(heroName);
			break;
		case MISSION_KILL_CREATURE:
			ms.addReplacement(stackToKill);
			break;
		case MISSION_ART:
			{
				MetaString loot;
				for (auto & elem : m5arts)
				{
					loot << "%s";
					loot.addReplacement(MetaString::ART_NAMES, elem);
				}
				ms.addReplacement(loot.buildList());
			}
			break;
		case MISSION_ARMY:
			{
				MetaString loot;
				for (auto & elem : m6creatures)
				{
					loot << "%s";
					loot.addReplacement(elem);
				}
				ms.addReplacement(loot.buildList());
			}
			break;
		case MISSION_RESOURCES:
			{
				MetaString loot;
				for (int i = 0; i < 7; ++i)
				{
					if (m7resources[i])
					{
						loot << "%d %s";
						loot.addReplacement(m7resources[i]);
						loot.addReplacement(MetaString::RES_NAMES, i);
					}
				}
				ms.addReplacement(loot.buildList());
			}
			break;
		case MISSION_HERO:
			ms.addReplacement(VLC->heroh->heroes[m13489val]->name);
			break;
		case MISSION_PLAYER:
			ms.addReplacement(VLC->generaltexth->colors[m13489val]);
			break;
		default:
			break;
	}
}

void CQuest::getCompletionText (MetaString &iwText, std::vector<Component> &components, bool isCustom, const CGHeroInstance * h) const
{
	iwText << completedText;
	switch (missionType)
	{
		case CQuest::MISSION_LEVEL:
			if (!isCustomComplete)
				iwText.addReplacement(m13489val);
			break;
		case CQuest::MISSION_PRIMARY_STAT:
			if (vstd::contains (completedText,'%')) //there's one case when there's nothing to replace
			{
				MetaString loot;
				for (int i = 0; i < 4; ++i)
				{
					if (m2stats[i])
					{
						loot << "%d %s";
						loot.addReplacement(m2stats[i]);
						loot.addReplacement(VLC->generaltexth->primarySkillNames[i]);
					}
				}
				if (!isCustomComplete)
					iwText.addReplacement(loot.buildList());
			}
			break;
		case CQuest::MISSION_ART:
		{
			MetaString loot;
			for (auto & elem : m5arts)
			{
				loot << "%s";
				loot.addReplacement(MetaString::ART_NAMES, elem);
			}
			if (!isCustomComplete)
				iwText.addReplacement(loot.buildList());
		}
			break;
		case CQuest::MISSION_ARMY:
		{
			MetaString loot;
			for (auto & elem : m6creatures)
			{
				loot << "%s";
				loot.addReplacement(elem);
			}
			if (!isCustomComplete)
				iwText.addReplacement(loot.buildList());
		}
			break;
		case CQuest::MISSION_RESOURCES:
		{
			MetaString loot;
			for (int i = 0; i < 7; ++i)
			{
				if (m7resources[i])
				{
					loot << "%d %s";
					loot.addReplacement(m7resources[i]);
					loot.addReplacement(MetaString::RES_NAMES, i);
				}
			}
			if (!isCustomComplete)
				iwText.addReplacement(loot.buildList());
		}
			break;
		case MISSION_KILL_HERO:
		case MISSION_KILL_CREATURE:
			if (!isCustomComplete)
				addReplacements(iwText, completedText);
			break;
		case MISSION_HERO:
			if (!isCustomComplete)
				iwText.addReplacement(VLC->heroh->heroes[m13489val]->name);
			break;
		case MISSION_PLAYER:
			if (!isCustomComplete)
				iwText.addReplacement(VLC->generaltexth->colors[m13489val]);
			break;
	}
}

void CGSeerHut::setObjToKill()
{
	if (quest->missionType == CQuest::MISSION_KILL_CREATURE)
	{
		quest->stackToKill = getCreatureToKill(false)->getStack(SlotID(0)); //FIXME: stacks tend to disappear (desync?) on server :?
		assert(quest->stackToKill.type);
		quest->stackToKill.count = 0; //no count in info window
		quest->stackDirection = checkDirection();
	}
	else if (quest->missionType == CQuest::MISSION_KILL_HERO)
	{
		quest->heroName = getHeroToKill(false)->name;
		quest->heroPortrait = getHeroToKill(false)->portrait;
	}
}

void CGSeerHut::init()
{
	seerName = *RandomGeneratorUtil::nextItem(VLC->generaltexth->seerNames, cb->gameState()->getRandomGenerator());
	quest->textOption = cb->gameState()->getRandomGenerator().nextInt(2);
}

void CGSeerHut::initObj()
{
	init();

	quest->progress = CQuest::NOT_ACTIVE;
	if (quest->missionType)
	{
		if (!quest->isCustomFirst)
			quest->firstVisitText = VLC->generaltexth->quests[quest->missionType-1][0][quest->textOption];
		if (!quest->isCustomNext)
			quest->nextVisitText = VLC->generaltexth->quests[quest->missionType-1][1][quest->textOption];
		if (!quest->isCustomComplete)
			quest->completedText = VLC->generaltexth->quests[quest->missionType-1][2][quest->textOption];
	}
	else
	{
		quest->progress = CQuest::COMPLETE;
		quest->firstVisitText = VLC->generaltexth->seerEmpty[quest->textOption];
	}
}

void CGSeerHut::getRolloverText (MetaString &text, bool onHover) const
{
	quest->getRolloverText (text, onHover);//TODO: simplify?
	if (!onHover)
		text.addReplacement(seerName);
}

std::string CGSeerHut::getHoverText(PlayerColor player) const
{
	std::string hoverName = getObjectName();
	if (ID == Obj::SEER_HUT && quest->progress != CQuest::NOT_ACTIVE)
	{
		hoverName = VLC->generaltexth->allTexts[347];
		boost::algorithm::replace_first(hoverName,"%s", seerName);
	}

	if (quest->progress & quest->missionType) //rollover when the quest is active
	{
		MetaString ms;
		getRolloverText (ms, true);
		hoverName += ms.toString();
	}
	return hoverName;
}

void CQuest::addReplacements(MetaString &out, const std::string &base) const
{
	switch(missionType)
	{
	case MISSION_KILL_CREATURE:
		out.addReplacement(stackToKill);
		if (std::count(base.begin(), base.end(), '%') == 2) //say where is placed monster
		{
			out.addReplacement(VLC->generaltexth->arraytxt[147+stackDirection]);
		}
		break;
	case MISSION_KILL_HERO:
		out.addReplacement(heroName);
		break;
	}
}

bool IQuestObject::checkQuest(const CGHeroInstance* h) const
{
	return quest->checkQuest(h);
}

void IQuestObject::getVisitText (MetaString &text, std::vector<Component> &components, bool isCustom, bool FirstVisit, const CGHeroInstance * h) const
{
	quest->getVisitText (text,components, isCustom, FirstVisit, h);
}

void CGSeerHut::getCompletionText(MetaString &text, std::vector<Component> &components, bool isCustom, const CGHeroInstance * h) const
{
	quest->getCompletionText (text, components, isCustom, h);
	switch (rewardType)
	{
		case EXPERIENCE: components.push_back(Component (Component::EXPERIENCE, 0, h->calculateXp(rVal), 0));
			break;
		case MANA_POINTS: components.push_back(Component (Component::PRIM_SKILL, 5, rVal, 0));
			break;
		case MORALE_BONUS: components.push_back(Component (Component::MORALE, 0, rVal, 0));
			break;
		case LUCK_BONUS: components.push_back(Component (Component::LUCK, 0, rVal, 0));
			break;
		case RESOURCES: components.push_back(Component (Component::RESOURCE, rID, rVal, 0));
			break;
		case PRIMARY_SKILL: components.push_back(Component (Component::PRIM_SKILL, rID, rVal, 0));
			break;
		case SECONDARY_SKILL: components.push_back(Component (Component::SEC_SKILL, rID, rVal, 0));
			break;
		case ARTIFACT: components.push_back(Component (Component::ARTIFACT, rID, 0, 0));
			break;
		case SPELL: components.push_back(Component (Component::SPELL, rID, 0, 0));
			break;
		case CREATURE: components.push_back(Component (Component::CREATURE, rID, rVal, 0));
			break;
	}
}

void CGSeerHut::setPropertyDer (ui8 what, ui32 val)
{
	switch (what)
	{
		case 10:
			quest->progress = static_cast<CQuest::Eprogress>(val);
			break;
	}
}

void CGSeerHut::newTurn() const
{
	if (quest->lastDay >= 0 && quest->lastDay < cb->getDate()-1) //time is up
	{
		cb->setObjProperty (id, 10, CQuest::COMPLETE);
	}
}

void CGSeerHut::onHeroVisit( const CGHeroInstance * h ) const
{
	InfoWindow iw;
	iw.player = h->getOwner();
	if (quest->progress < CQuest::COMPLETE)
	{
		bool firstVisit = !quest->progress;
		bool failRequirements = !checkQuest(h);
		bool isCustom=false;

		if (firstVisit)
		{
			isCustom = quest->isCustomFirst;
			cb->setObjProperty (id, 10, CQuest::IN_PROGRESS);

			AddQuest aq;
			aq.quest = QuestInfo (quest, this, visitablePos());
			aq.player = h->tempOwner;
			cb->sendAndApply (&aq); //TODO: merge with setObjProperty?
		}
		else if (failRequirements)
		{
			isCustom = quest->isCustomNext;
		}

		if (firstVisit || failRequirements)
		{
			getVisitText (iw.text, iw.components, isCustom, firstVisit, h);

			cb->showInfoDialog(&iw);
		}
		if (!failRequirements) // propose completion, also on first visit
		{
			BlockingDialog bd (true, false);
			bd.player = h->getOwner();
			bd.soundID = soundBase::QUEST;

			getCompletionText (bd.text, bd.components, isCustom, h);

			cb->showBlockingDialog (&bd);
			return;
		}
	}
	else
	{
		iw.text << VLC->generaltexth->seerEmpty[quest->textOption];
		if (ID == Obj::SEER_HUT)
			iw.text.addReplacement(seerName);
		cb->showInfoDialog(&iw);
	}
}

int CGSeerHut::checkDirection() const
{
	int3 cord = getCreatureToKill()->pos;
	if ((double)cord.x/(double)cb->getMapSize().x < 0.34) //north
	{
		if ((double)cord.y/(double)cb->getMapSize().y < 0.34) //northwest
			return 8;
		else if ((double)cord.y/(double)cb->getMapSize().y < 0.67) //north
			return 1;
		else //northeast
			return 2;
	}
	else if ((double)cord.x/(double)cb->getMapSize().x < 0.67) //horizontal
	{
		if ((double)cord.y/(double)cb->getMapSize().y < 0.34) //west
			return 7;
		else if ((double)cord.y/(double)cb->getMapSize().y < 0.67) //central
			return 9;
		else //east
			return 3;
	}
	else //south
	{
		if ((double)cord.y/(double)cb->getMapSize().y < 0.34) //southwest
			return 6;
		else if ((double)cord.y/(double)cb->getMapSize().y < 0.67) //south
			return 5;
		else //southeast
			return 4;
	}
}

void CGSeerHut::finishQuest(const CGHeroInstance * h, ui32 accept) const
{
	if (accept)
	{
		switch (quest->missionType)
		{
			case CQuest::MISSION_ART:
				for (auto & elem : quest->m5arts)
				{
					cb->removeArtifact(ArtifactLocation(h, h->getArtPos(elem, false)));
				}
				break;
			case CQuest::MISSION_ARMY:
					cb->takeCreatures(h->id, quest->m6creatures);
				break;
			case CQuest::MISSION_RESOURCES:
				for (int i = 0; i < 7; ++i)
				{
					cb->giveResource(h->getOwner(), static_cast<Res::ERes>(i), -quest->m7resources[i]);
				}
				break;
			default:
				break;
		}
		cb->setObjProperty (id, 10, CQuest::COMPLETE); //mission complete
		completeQuest(h); //make sure to remove QuestGuard at the very end
	}
}

void CGSeerHut::completeQuest (const CGHeroInstance * h) const //reward
{
	switch (rewardType)
	{
		case EXPERIENCE:
		{
			TExpType expVal = h->calculateXp(rVal);
			cb->changePrimSkill(h, PrimarySkill::EXPERIENCE, expVal, false);
			break;
		}
		case MANA_POINTS:
		{
			cb->setManaPoints(h->id, h->mana+rVal);
			break;
		}
		case MORALE_BONUS: case LUCK_BONUS:
		{
			Bonus hb(Bonus::ONE_WEEK, (rewardType == 3 ? Bonus::MORALE : Bonus::LUCK),
				Bonus::OBJECT, rVal, h->id.getNum(), "", -1);
			GiveBonus gb;
			gb.id = h->id.getNum();
			gb.bonus = hb;
			cb->giveHeroBonus(&gb);
		}
			break;
		case RESOURCES:
			cb->giveResource(h->getOwner(), static_cast<Res::ERes>(rID), rVal);
			break;
		case PRIMARY_SKILL:
			cb->changePrimSkill(h, static_cast<PrimarySkill::PrimarySkill>(rID), rVal, false);
			break;
		case SECONDARY_SKILL:
			cb->changeSecSkill(h, SecondarySkill(rID), rVal, false);
			break;
		case ARTIFACT:
			cb->giveHeroNewArtifact(h, VLC->arth->artifacts[rID],ArtifactPosition::FIRST_AVAILABLE);
			break;
		case SPELL:
		{
			std::set<SpellID> spell;
			spell.insert (SpellID(rID));
			cb->changeSpells(h, true, spell);
		}
			break;
		case CREATURE:
			{
				CCreatureSet creatures;
				creatures.setCreature(SlotID(0), CreatureID(rID), rVal);
				cb->giveCreatures(this, h, creatures, false);
			}
			break;
		default:
			break;
	}
}

const CGHeroInstance * CGSeerHut::getHeroToKill(bool allowNull) const
{
	const CGObjectInstance *o = cb->getObjByQuestIdentifier(quest->m13489val);
	if(allowNull && !o)
		return nullptr;
	assert(o && (o->ID == Obj::HERO  ||  o->ID == Obj::PRISON));
	return static_cast<const CGHeroInstance*>(o);
}

const CGCreature * CGSeerHut::getCreatureToKill(bool allowNull) const
{
	const CGObjectInstance *o = cb->getObjByQuestIdentifier(quest->m13489val);
	if(allowNull && !o)
		return nullptr;
	assert(o && o->ID == Obj::MONSTER);
	return static_cast<const CGCreature*>(o);
}

void CGSeerHut::blockingDialogAnswered(const CGHeroInstance *hero, ui32 answer) const
{
	finishQuest(hero, answer);
}

void CGQuestGuard::init()
{
	blockVisit = true;
	quest->textOption = cb->gameState()->getRandomGenerator().nextInt(3, 5);
}

void CGQuestGuard::completeQuest(const CGHeroInstance *h) const
{
	cb->removeObject(this);
}

void CGKeys::setPropertyDer (ui8 what, ui32 val) //101-108 - enable key for player 1-8
{
	if (what >= 101 && what <= (100 + PlayerColor::PLAYER_LIMIT_I))
	{
		PlayerColor player(what-101);
		playerKeyMap[player].insert((ui8)val);
	}
	else
		logGlobal->errorStream() << boost::format("Unexpected properties requested to set: what=%d, val=%d") % (int)what % val;
}

bool CGKeys::wasMyColorVisited (PlayerColor player) const
{
	if (vstd::contains(playerKeyMap[player], subID)) //creates set if it's not there
		return true;
	else
		return false;
}

std::string CGKeys::getHoverText(PlayerColor player) const
{
	return getObjectName() + "\n" + visitedTxt(wasMyColorVisited(player));
}

std::string CGKeys::getObjectName() const
{
	return VLC->generaltexth->tentColors[subID] + " " + CGObjectInstance::getObjectName();
}

bool CGKeymasterTent::wasVisited (PlayerColor player) const
{
	return wasMyColorVisited (player);
}

void CGKeymasterTent::onHeroVisit( const CGHeroInstance * h ) const
{
	int txt_id;
	if (!wasMyColorVisited (h->getOwner()) )
	{
		cb->setObjProperty(id, h->tempOwner.getNum()+101, subID);
		txt_id=19;
	}
	else
		txt_id=20;
	showInfoDialog(h,txt_id,soundBase::CAVEHEAD);
}

void CGBorderGuard::initObj()
{
	//ui32 m13489val = subID; //store color as quest info
	blockVisit = true;
}

void CGBorderGuard::getVisitText (MetaString &text, std::vector<Component> &components, bool isCustom, bool FirstVisit, const CGHeroInstance * h) const
{
	text << std::pair<ui8,ui32>(11,18);
}

void CGBorderGuard::getRolloverText (MetaString &text, bool onHover) const
{
	if (!onHover)
		text << VLC->generaltexth->tentColors[subID] << " " << VLC->objtypeh->getObjectName(Obj::KEYMASTER);
}

bool CGBorderGuard::checkQuest (const CGHeroInstance * h) const
{
	return wasMyColorVisited (h->tempOwner);
}

void CGBorderGuard::onHeroVisit( const CGHeroInstance * h ) const
{
	if (wasMyColorVisited (h->getOwner()) )
	{
		BlockingDialog bd (true, false);
		bd.player = h->getOwner();
		bd.soundID = soundBase::QUEST;
		bd.text.addTxt (MetaString::ADVOB_TXT, 17);
		cb->showBlockingDialog (&bd);
	}
	else
	{
		showInfoDialog(h,18,soundBase::CAVEHEAD);

		AddQuest aq;
		aq.quest = QuestInfo (quest, this, visitablePos());
		aq.player = h->tempOwner;
		cb->sendAndApply (&aq);
		//TODO: add this quest only once OR check for multiple instances later
	}
}

void CGBorderGuard::blockingDialogAnswered(const CGHeroInstance *hero, ui32 answer) const
{
	if (answer)
		cb->removeObject(this);
}

void CGBorderGate::onHeroVisit( const CGHeroInstance * h ) const //TODO: passability
{
	if (!wasMyColorVisited (h->getOwner()) )
	{
		showInfoDialog(h,18,0);

		AddQuest aq;
		aq.quest = QuestInfo (quest, this, visitablePos());
		aq.player = h->tempOwner;
		cb->sendAndApply (&aq);
	}
}

bool CGBorderGate::passableFor(PlayerColor color) const
{
	return wasMyColorVisited(color);
}