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81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
/*
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* ClearWayTo.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 "ClearWayTo.h"
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#include "Explore.h"
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#include "RecruitHero.h"
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#include "../VCAI.h"
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#include "../AIUtility.h"
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#include "../FuzzyHelper.h"
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#include "../AIhelper.h"
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using namespace Goals;
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bool ClearWayTo::operator==(const ClearWayTo & other) const
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{
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return other.hero.h == hero.h && other.tile == tile;
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}
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TSubgoal ClearWayTo::whatToDoToAchieve()
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{
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assert(cb->isInTheMap(tile)); //set tile
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if(!cb->isVisible(tile))
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{
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logAi->error("Clear way should be used with visible tiles!");
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return sptr(Explore());
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}
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return (fh->chooseSolution(getAllPossibleSubgoals()));
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}
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bool ClearWayTo::fulfillsMe(TSubgoal goal)
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{
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if (goal->goalType == VISIT_TILE)
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{
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if (!hero || hero == goal->hero)
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return tile == goal->tile;
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}
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return false;
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}
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TGoalVec ClearWayTo::getAllPossibleSubgoals()
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{
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TGoalVec ret;
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std::vector<const CGHeroInstance *> heroes;
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if(hero)
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heroes.push_back(hero.h);
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else
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heroes = cb->getHeroesInfo();
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for(auto h : heroes)
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{
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//TODO: handle clearing way to allied heroes that are blocked
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//if ((hero && hero->visitablePos() == tile && hero == *h) || //we can't free the way ourselves
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// h->visitablePos() == tile) //we are already on that tile! what does it mean?
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// continue;
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//if our hero is trapped, make sure we request clearing the way from OUR perspective
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vstd::concatenate(ret, ai->ah->howToVisitTile(h, tile));
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}
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if(ret.empty() && ai->canRecruitAnyHero())
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ret.push_back(sptr(RecruitHero()));
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if(ret.empty())
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{
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logAi->warn("There is no known way to clear the way to tile %s", tile.toString());
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throw goalFulfilledException(sptr(ClearWayTo(tile))); //make sure asigned hero gets unlocked
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}
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return ret;
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}
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