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https://github.com/vcmi/vcmi.git
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cf378c3672
- VCMI can now be compiled in C++20 mode - Replaced all references to C++17 with C++20 - Boost 1.74 is now set as minimal version (older version might work but untested) - Updated documentation to reflect required versions of compilers / libraries - Removed excessive fail-fast / continue-on-error from CI
135 lines
3.5 KiB
C++
135 lines
3.5 KiB
C++
/*
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* SummonBoatEffect.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 "SummonBoatEffect.h"
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#include "../CSpellHandler.h"
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#include "../../mapObjects/CGHeroInstance.h"
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#include "../../mapObjects/MiscObjects.h"
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#include "../../mapping/CMap.h"
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#include "../../modding/IdentifierStorage.h"
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#include "../../networkPacks/PacksForClient.h"
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VCMI_LIB_NAMESPACE_BEGIN
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SummonBoatEffect::SummonBoatEffect(const CSpell * s, const JsonNode & config)
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: owner(s)
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, useExistingBoat(config["useExistingBoat"].Bool())
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{
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if (!config["createdBoat"].isNull())
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{
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LIBRARY->identifiers()->requestIdentifier("core:boat", config["createdBoat"], [this](int32_t boatTypeID)
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{
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createdBoat = BoatId(boatTypeID);
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});
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}
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}
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bool SummonBoatEffect::canCreateNewBoat() const
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{
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return createdBoat != BoatId::NONE;
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}
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int SummonBoatEffect::getSuccessChance(const spells::Caster * caster) const
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{
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const auto schoolLevel = caster->getSpellSchoolLevel(owner);
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return owner->getLevelPower(schoolLevel);
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}
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bool SummonBoatEffect::canBeCastImpl(spells::Problem & problem, const IGameInfoCallback * cb, const spells::Caster * caster) const
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{
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if(!caster->getHeroCaster())
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return false;
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if(caster->getHeroCaster()->inBoat())
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{
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MetaString message = MetaString::createFromTextID("core.genrltxt.333");
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caster->getCasterName(message);
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problem.add(std::move(message));
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return false;
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}
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int3 summonPos = caster->getHeroCaster()->bestLocation();
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if(summonPos.x < 0)
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{
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MetaString message = MetaString::createFromTextID("core.genrltxt.334");
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caster->getCasterName(message);
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problem.add(std::move(message));
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return false;
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}
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return true;
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}
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ESpellCastResult SummonBoatEffect::applyAdventureEffects(SpellCastEnvironment * env, const AdventureSpellCastParameters & parameters) const
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{
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//check if spell works at all
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if(env->getRNG()->nextInt(0, 99) >= getSuccessChance(parameters.caster)) //power is % chance of success
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{
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InfoWindow iw;
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iw.player = parameters.caster->getCasterOwner();
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iw.text.appendLocalString(EMetaText::GENERAL_TXT, 336); //%s tried to summon a boat, but failed.
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parameters.caster->getCasterName(iw.text);
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env->apply(iw);
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return ESpellCastResult::OK;
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}
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//try to find unoccupied boat to summon
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const CGBoat * nearest = nullptr;
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if (useExistingBoat)
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{
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double dist = 0;
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for(const auto & b : env->getMap()->getObjects<CGBoat>())
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{
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if(b->getBoardedHero() || b->layer != EPathfindingLayer::SAIL)
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continue; //we're looking for unoccupied boat
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double nDist = b->visitablePos().dist2d(parameters.caster->getHeroCaster()->visitablePos());
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if(!nearest || nDist < dist) //it's first boat or closer than previous
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{
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nearest = b;
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dist = nDist;
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}
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}
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}
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int3 summonPos = parameters.caster->getHeroCaster()->bestLocation();
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if(nullptr != nearest) //we found boat to summon
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{
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ChangeObjPos cop;
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cop.objid = nearest->id;
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cop.nPos = summonPos;
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cop.initiator = parameters.caster->getCasterOwner();
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env->apply(cop);
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}
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else if(!canCreateNewBoat()) //none or basic level -> cannot create boat :(
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{
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InfoWindow iw;
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iw.player = parameters.caster->getCasterOwner();
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iw.text.appendLocalString(EMetaText::GENERAL_TXT, 335); //There are no boats to summon.
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env->apply(iw);
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return ESpellCastResult::ERROR;
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}
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else //create boat
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{
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env->createBoat(summonPos, createdBoat, parameters.caster->getCasterOwner());
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}
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return ESpellCastResult::OK;
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}
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VCMI_LIB_NAMESPACE_END
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