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149 lines
3.2 KiB
C++
149 lines
3.2 KiB
C++
/*
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* Dispel.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 "Dispel.h"
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#include "Registry.h"
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#include <vcmi/spells/Spell.h>
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#include "../ISpellMechanics.h"
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#include "../../NetPacks.h"
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#include "../../battle/IBattleState.h"
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#include "../../battle/Unit.h"
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#include "../../serializer/JsonSerializeFormat.h"
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VCMI_LIB_NAMESPACE_BEGIN
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static const std::string EFFECT_NAME = "core:dispel";
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namespace spells
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{
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namespace effects
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{
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VCMI_REGISTER_SPELL_EFFECT(Dispel, EFFECT_NAME);
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Dispel::Dispel()
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: UnitEffect()
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{
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}
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Dispel::~Dispel() = default;
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void Dispel::apply(ServerCallback * server, const Mechanics * m, const EffectTarget & target) const
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{
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const bool describe = server->describeChanges();
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SetStackEffect sse;
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BattleLogMessage blm;
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for(auto & t : target)
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{
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const battle::Unit * unit = t.unitValue;
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if(unit)
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{
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//special case for DISPEL_HELPFUL_SPELLS
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if(describe && positive && !negative && !neutral)
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{
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MetaString line;
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unit->addText(line, MetaString::GENERAL_TXT, -555, true);
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unit->addNameReplacement(line, true);
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blm.lines.push_back(std::move(line));
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}
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std::vector<Bonus> buffer;
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auto bl = getBonuses(m, unit);
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for(auto item : *bl)
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buffer.emplace_back(*item);
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if(!buffer.empty())
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sse.toRemove.push_back(std::make_pair(unit->unitId(), buffer));
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}
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}
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if(!sse.toRemove.empty())
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server->apply(&sse);
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if(describe && !blm.lines.empty())
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server->apply(&blm);
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}
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bool Dispel::isValidTarget(const Mechanics * m, const battle::Unit * unit) const
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{
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if(getBonuses(m, unit)->empty())
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return false;
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return UnitEffect::isValidTarget(m, unit);
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}
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void Dispel::serializeJsonUnitEffect(JsonSerializeFormat & handler)
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{
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handler.serializeBool("dispelPositive", positive);
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handler.serializeBool("dispelNegative", negative);
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handler.serializeBool("dispelNeutral", neutral);
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}
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std::shared_ptr<const BonusList> Dispel::getBonuses(const Mechanics * m, const battle::Unit * unit) const
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{
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auto sel = [=](const Bonus * bonus)
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{
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if(bonus->source == Bonus::SPELL_EFFECT)
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{
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const Spell * sourceSpell = SpellID(bonus->sid).toSpell(m->spells());
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if(!sourceSpell)
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return false;//error
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//Special case: DISRUPTING_RAY and ACID_BREATH_DEFENSE are "immune" to dispell
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//Other even PERMANENT effects can be removed (f.e. BIND)
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if(sourceSpell->getIndex() == SpellID::DISRUPTING_RAY || sourceSpell->getIndex() == SpellID::ACID_BREATH_DEFENSE)
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return false;
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//Special case: do not remove lifetime marker
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if(sourceSpell->getIndex() == SpellID::CLONE)
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return false;
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//stack may have inherited effects
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if(sourceSpell->isAdventure())
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return false;
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if(sourceSpell->getIndex() == m->getSpellIndex())
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return false;
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auto positiveness = sourceSpell->getPositiveness();
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if(boost::logic::indeterminate(positiveness))
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{
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if(neutral)
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return true;
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}
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else if(positiveness)
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{
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if(positive)
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return true;
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}
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else
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{
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if(negative)
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return true;
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}
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}
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return false;
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};
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CSelector selector(sel);
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return unit->getBonuses(selector);
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}
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}
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}
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VCMI_LIB_NAMESPACE_END
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