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11980e0f97
AI will now also garrison a hero as defender if the town to be defended has troops as long as the hero can merge their own troops with the town. AI will no longer just dismiss existing troops in a town if a hero trying to garrison there can merge with it.
119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
/*
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* ExchangeSwapTownHeroes.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "ExchangeSwapTownHeroes.h"
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#include "ExecuteHeroChain.h"
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#include "../AIGateway.h"
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#include "../Engine/Nullkiller.h"
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namespace NKAI
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{
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using namespace Goals;
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ExchangeSwapTownHeroes::ExchangeSwapTownHeroes(
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const CGTownInstance * town,
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const CGHeroInstance * garrisonHero,
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HeroLockedReason lockingReason)
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:ElementarGoal(Goals::EXCHANGE_SWAP_TOWN_HEROES), town(town), garrisonHero(garrisonHero), lockingReason(lockingReason)
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{
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}
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std::vector<ObjectInstanceID> ExchangeSwapTownHeroes::getAffectedObjects() const
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{
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std::vector<ObjectInstanceID> affectedObjects = { town->id };
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if(town->garrisonHero)
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affectedObjects.push_back(town->garrisonHero->id);
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if(town->visitingHero)
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affectedObjects.push_back(town->visitingHero->id);
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return affectedObjects;
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}
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bool ExchangeSwapTownHeroes::isObjectAffected(ObjectInstanceID id) const
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{
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return town->id == id
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|| (town->visitingHero && town->visitingHero->id == id)
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|| (town->garrisonHero && town->garrisonHero->id == id);
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}
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std::string ExchangeSwapTownHeroes::toString() const
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{
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return "Exchange and swap heroes of " + town->getNameTranslated();
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}
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bool ExchangeSwapTownHeroes::operator==(const ExchangeSwapTownHeroes & other) const
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{
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return town == other.town;
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}
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void ExchangeSwapTownHeroes::accept(AIGateway * ai)
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{
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if(!garrisonHero)
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{
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auto currentGarrisonHero = town->garrisonHero;
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if(!currentGarrisonHero)
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throw cannotFulfillGoalException("Invalid configuration. There is no hero in town garrison.");
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cb->swapGarrisonHero(town);
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if(currentGarrisonHero.get() != town->visitingHero.get())
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{
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logAi->error("VisitingHero is empty, expected %s", currentGarrisonHero->getNameTranslated());
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return;
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}
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ai->buildArmyIn(town);
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ai->nullkiller->unlockHero(currentGarrisonHero.get());
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logAi->debug("Extracted hero %s from garrison of %s", currentGarrisonHero->getNameTranslated(), town->getNameTranslated());
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return;
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}
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if(town->visitingHero && town->visitingHero.get() != garrisonHero)
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cb->swapGarrisonHero(town);
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ai->makePossibleUpgrades(town);
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ai->moveHeroToTile(town->visitablePos(), garrisonHero);
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auto upperArmy = town->getUpperArmy();
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if(!town->garrisonHero)
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{
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if (!garrisonHero->canBeMergedWith(*town))
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{
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while (upperArmy->stacksCount() != 0)
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{
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cb->dismissCreature(upperArmy, upperArmy->Slots().begin()->first);
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}
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}
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}
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cb->swapGarrisonHero(town);
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if(lockingReason != HeroLockedReason::NOT_LOCKED)
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{
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ai->nullkiller->lockHero(garrisonHero, lockingReason);
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}
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if(town->visitingHero && town->visitingHero != garrisonHero)
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{
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ai->nullkiller->unlockHero(town->visitingHero.get());
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ai->makePossibleUpgrades(town->visitingHero);
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}
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logAi->debug("Put hero %s to garrison of %s", garrisonHero->getNameTranslated(), town->getNameTranslated());
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}
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}
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