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ecaa9f5d0b
* Made most Handlers derived from CHandlerBase and moved service API there. * Declared existing Entity APIs. * Added basic script context caching * Started Lua script module * Started Lua spell effect API * Started script state persistence * Started battle info callback binding * CommitPackage removed * Extracted spells::Caster to own header; Expanded Spell API. * implemented !!MC:S, !!FU:E, !!FU:P, !!MA, !!VR:H, !!VR:C * !!BU:C, !!BU:E, !!BU:G, !!BU:M implemented * Allow use of "MC:S@varName@" to declare normal variable (technically v-variable with string key) * Re-enabled VERM macros. * !?GM0 added * !?TM implemented * Added !!MF:N * Started !?OB, !!BM, !!HE, !!OW, !!UN * Added basic support of w-variables * Added support for ERM indirect variables * Made !?FU regular trigger * !!re (ERA loop receiver) implemented * Fixed ERM receivers with zero args.
115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
/*
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* RemoveObstacle.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 "RemoveObstacle.h"
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#include "Registry.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/CBattleInfoCallback.h"
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#include "../../battle/CObstacleInstance.h"
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#include "../../serializer/JsonSerializeFormat.h"
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static const std::string EFFECT_NAME = "core:removeObstacle";
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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(RemoveObstacle, EFFECT_NAME);
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RemoveObstacle::RemoveObstacle()
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: LocationEffect(),
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removeAbsolute(false),
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removeUsual(false),
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removeAllSpells(false)
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{
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}
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RemoveObstacle::~RemoveObstacle() = default;
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bool RemoveObstacle::applicable(Problem & problem, const Mechanics * m) const
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{
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return !getTargets(m, EffectTarget(), true).empty();
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}
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bool RemoveObstacle::applicable(Problem & problem, const Mechanics * m, const EffectTarget & target) const
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{
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return !getTargets(m, target, false).empty();
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}
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void RemoveObstacle::apply(ServerCallback * server, const Mechanics * m, const EffectTarget & target) const
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{
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BattleObstaclesChanged pack;
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for(const auto & obstacle : getTargets(m, target, false))
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pack.changes.emplace_back(obstacle->uniqueID, BattleChanges::EOperation::REMOVE);
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if(!pack.changes.empty())
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server->apply(&pack);
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}
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void RemoveObstacle::serializeJsonEffect(JsonSerializeFormat & handler)
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{
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handler.serializeBool("removeAbsolute", removeAbsolute, false);
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handler.serializeBool("removeUsual", removeUsual, false);
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handler.serializeBool("removeAllSpells", removeAllSpells, false);
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handler.serializeIdArray("removeSpells", removeSpells);
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}
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bool RemoveObstacle::canRemove(const CObstacleInstance * obstacle) const
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{
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if(removeAbsolute && obstacle->obstacleType == CObstacleInstance::ABSOLUTE_OBSTACLE)
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return true;
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if(removeUsual && obstacle->obstacleType == CObstacleInstance::USUAL)
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return true;
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auto spellObstacle = dynamic_cast<const SpellCreatedObstacle *>(obstacle);
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if(removeAllSpells && spellObstacle)
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return true;
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if(spellObstacle && !removeSpells.empty())
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{
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if(vstd::contains(removeSpells, SpellID(spellObstacle->ID)))
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return true;
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}
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return false;
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}
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std::set<const CObstacleInstance *> RemoveObstacle::getTargets(const Mechanics * m, const EffectTarget & target, bool alwaysMassive) const
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{
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std::set<const CObstacleInstance *> possibleTargets;
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if(m->isMassive() || alwaysMassive)
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{
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for(const auto & obstacle : m->battle()->battleGetAllObstacles())
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if(canRemove(obstacle.get()))
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possibleTargets.insert(obstacle.get());
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}
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else
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{
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for(const auto & destination : target)
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if(destination.hexValue.isValid())
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for(const auto & obstacle : m->battle()->battleGetAllObstaclesOnPos(destination.hexValue, false))
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if(canRemove(obstacle.get()))
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possibleTargets.insert(obstacle.get());
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}
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return possibleTargets;
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}
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}
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}
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