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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/*
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* VisitQueries.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 "VisitQueries.h"
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#include "../../lib/mapObjects/CGHeroInstance.h"
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#include "../../lib/mapObjects/CGTownInstance.h"
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#include "../../lib/mapObjects/TownBuildingInstance.h"
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#include "../CGameHandler.h"
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#include "QueriesProcessor.h"
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VisitQuery::VisitQuery(CGameHandler * owner, const CGObjectInstance * Obj, const CGHeroInstance * Hero)
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: CQuery(owner)
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, visitedObject(Obj)
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, visitingHero(Hero)
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{
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addPlayer(Hero->tempOwner);
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}
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bool VisitQuery::blocksPack(const CPackForServer * pack) const
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{
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//During the visit itself ALL actions are blocked.
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//(However, the visit may trigger a query above that'll pass some.)
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return true;
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}
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void MapObjectVisitQuery::onExposure(QueryPtr topQuery)
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{
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//Object may have been removed and deleted.
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if(gh->isValidObject(visitedObject))
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topQuery->notifyObjectAboutRemoval(visitedObject, visitingHero);
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owner->popIfTop(*this);
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}
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MapObjectVisitQuery::MapObjectVisitQuery(CGameHandler * owner, const CGObjectInstance * Obj, const CGHeroInstance * Hero)
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: VisitQuery(owner, Obj, Hero)
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, removeObjectAfterVisit(false)
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{
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}
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void MapObjectVisitQuery::onRemoval(PlayerColor color)
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{
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gh->objectVisitEnded(visitingHero, players.front());
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//Can object visit affect 2 players and what would be desired behavior?
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if(removeObjectAfterVisit)
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gh->removeObject(visitedObject, color);
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}
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TownBuildingVisitQuery::TownBuildingVisitQuery(CGameHandler * owner, const CGTownInstance * Obj, std::vector<const CGHeroInstance *> heroes, std::vector<BuildingID> buildingToVisit)
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: VisitQuery(owner, Obj, heroes.front())
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, visitedTown(Obj)
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{
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// generate in reverse order - first building-hero pair to handle must be in the end of vector
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for (auto const * hero : boost::adaptors::reverse(heroes))
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for (auto const & building : boost::adaptors::reverse(buildingToVisit))
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visitedBuilding.push_back({ hero, building});
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}
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void TownBuildingVisitQuery::onExposure(QueryPtr topQuery)
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{
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topQuery->notifyObjectAboutRemoval(visitedObject, visitingHero);
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onAdded(players.front());
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}
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void TownBuildingVisitQuery::onAdded(PlayerColor color)
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{
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while (!visitedBuilding.empty() && owner->topQuery(color).get() == this)
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{
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visitingHero = visitedBuilding.back().hero;
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const auto * building = visitedTown->rewardableBuildings.at(visitedBuilding.back().building);
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building->onHeroVisit(visitingHero);
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visitedBuilding.pop_back();
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}
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if (visitedBuilding.empty() && owner->topQuery(color).get() == this)
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owner->popIfTop(*this);
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}
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