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542 lines
15 KiB
C++
542 lines
15 KiB
C++
/*
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* Limiters.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 "Limiters.h"
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#include "../VCMI_Lib.h"
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#include "../spells/CSpellHandler.h"
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#include "../CCreatureHandler.h"
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#include "../CCreatureSet.h"
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#include "../CHeroHandler.h"
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#include "../CTownHandler.h"
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#include "../CGeneralTextHandler.h"
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#include "../CSkillHandler.h"
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#include "../CStack.h"
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#include "../CArtHandler.h"
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#include "../TerrainHandler.h"
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#include "../constants/StringConstants.h"
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#include "../battle/BattleInfo.h"
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#include "../json/JsonUtils.h"
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VCMI_LIB_NAMESPACE_BEGIN
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const std::map<std::string, TLimiterPtr> bonusLimiterMap =
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{
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{"SHOOTER_ONLY", std::make_shared<HasAnotherBonusLimiter>(BonusType::SHOOTER)},
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{"DRAGON_NATURE", std::make_shared<HasAnotherBonusLimiter>(BonusType::DRAGON_NATURE)},
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{"IS_UNDEAD", std::make_shared<HasAnotherBonusLimiter>(BonusType::UNDEAD)},
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{"CREATURE_NATIVE_TERRAIN", std::make_shared<CreatureTerrainLimiter>()},
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{"CREATURE_FACTION", std::make_shared<AllOfLimiter>(std::initializer_list<TLimiterPtr>{std::make_shared<CreatureLevelLimiter>(), std::make_shared<FactionLimiter>()})},
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{"SAME_FACTION", std::make_shared<FactionLimiter>()},
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{"CREATURES_ONLY", std::make_shared<CreatureLevelLimiter>()},
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{"OPPOSITE_SIDE", std::make_shared<OppositeSideLimiter>()},
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};
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static const CStack * retrieveStackBattle(const CBonusSystemNode * node)
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{
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switch(node->getNodeType())
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{
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case CBonusSystemNode::STACK_BATTLE:
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return dynamic_cast<const CStack *>(node);
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default:
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return nullptr;
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}
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}
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static const CStackInstance * retrieveStackInstance(const CBonusSystemNode * node)
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{
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switch(node->getNodeType())
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{
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case CBonusSystemNode::STACK_INSTANCE:
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return (dynamic_cast<const CStackInstance *>(node));
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case CBonusSystemNode::STACK_BATTLE:
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return (dynamic_cast<const CStack *>(node))->base;
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default:
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return nullptr;
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}
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}
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static const CCreature * retrieveCreature(const CBonusSystemNode *node)
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{
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switch(node->getNodeType())
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{
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case CBonusSystemNode::CREATURE:
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return (dynamic_cast<const CCreature *>(node));
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case CBonusSystemNode::STACK_BATTLE:
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return (dynamic_cast<const CStack *>(node))->unitType();
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default:
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const CStackInstance * csi = retrieveStackInstance(node);
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if(csi)
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return csi->type;
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return nullptr;
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}
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}
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ILimiter::EDecision ILimiter::limit(const BonusLimitationContext &context) const /*return true to drop the bonus */
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{
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return ILimiter::EDecision::ACCEPT;
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}
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std::string ILimiter::toString() const
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{
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return typeid(*this).name();
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}
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JsonNode ILimiter::toJsonNode() const
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{
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JsonNode root;
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root["type"].String() = toString();
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return root;
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}
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ILimiter::EDecision CCreatureTypeLimiter::limit(const BonusLimitationContext &context) const
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{
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const CCreature *c = retrieveCreature(&context.node);
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if(!c)
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return ILimiter::EDecision::DISCARD;
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auto accept = c->getId() == creature->getId() || (includeUpgrades && creature->isMyUpgrade(c));
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return accept ? ILimiter::EDecision::ACCEPT : ILimiter::EDecision::DISCARD;
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//drop bonus if it's not our creature and (we don`t check upgrades or its not our upgrade)
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}
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CCreatureTypeLimiter::CCreatureTypeLimiter(const CCreature & creature_, bool IncludeUpgrades)
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: creature(&creature_), includeUpgrades(IncludeUpgrades)
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{
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}
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void CCreatureTypeLimiter::setCreature(const CreatureID & id)
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{
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creature = id.toCreature();
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}
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std::string CCreatureTypeLimiter::toString() const
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{
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boost::format fmt("CCreatureTypeLimiter(creature=%s, includeUpgrades=%s)");
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fmt % creature->getJsonKey() % (includeUpgrades ? "true" : "false");
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return fmt.str();
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}
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JsonNode CCreatureTypeLimiter::toJsonNode() const
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{
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JsonNode root;
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root["type"].String() = "CREATURE_TYPE_LIMITER";
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root["parameters"].Vector().emplace_back(creature->getJsonKey());
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root["parameters"].Vector().emplace_back(includeUpgrades);
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return root;
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}
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HasAnotherBonusLimiter::HasAnotherBonusLimiter( BonusType bonus )
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: type(bonus), isSubtypeRelevant(false), isSourceRelevant(false), isSourceIDRelevant(false)
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{
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}
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HasAnotherBonusLimiter::HasAnotherBonusLimiter( BonusType bonus, BonusSubtypeID _subtype )
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: type(bonus), subtype(_subtype), isSubtypeRelevant(true), isSourceRelevant(false), isSourceIDRelevant(false)
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{
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}
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HasAnotherBonusLimiter::HasAnotherBonusLimiter(BonusType bonus, BonusSource src)
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: type(bonus), source(src), isSubtypeRelevant(false), isSourceRelevant(true), isSourceIDRelevant(false)
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{
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}
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HasAnotherBonusLimiter::HasAnotherBonusLimiter(BonusType bonus, BonusSubtypeID _subtype, BonusSource src)
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: type(bonus), subtype(_subtype), isSubtypeRelevant(true), source(src), isSourceRelevant(true), isSourceIDRelevant(false)
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{
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}
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ILimiter::EDecision HasAnotherBonusLimiter::limit(const BonusLimitationContext &context) const
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{
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//TODO: proper selector config with parsing of JSON
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auto mySelector = Selector::type()(type);
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if(isSubtypeRelevant)
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mySelector = mySelector.And(Selector::subtype()(subtype));
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if(isSourceRelevant && isSourceIDRelevant)
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mySelector = mySelector.And(Selector::source(source, sid));
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else if (isSourceRelevant)
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mySelector = mySelector.And(Selector::sourceTypeSel(source));
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//if we have a bonus of required type accepted, limiter should accept also this bonus
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if(context.alreadyAccepted.getFirst(mySelector))
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return ILimiter::EDecision::ACCEPT;
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//if there are no matching bonuses pending, we can (and must) reject right away
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if(!context.stillUndecided.getFirst(mySelector))
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return ILimiter::EDecision::DISCARD;
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//do not accept for now but it may change if more bonuses gets included
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return ILimiter::EDecision::NOT_SURE;
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}
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std::string HasAnotherBonusLimiter::toString() const
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{
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std::string typeName = vstd::findKey(bonusNameMap, type);
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if(isSubtypeRelevant)
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{
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boost::format fmt("HasAnotherBonusLimiter(type=%s, subtype=%s)");
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fmt % typeName % subtype.toString();
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return fmt.str();
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}
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else
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{
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boost::format fmt("HasAnotherBonusLimiter(type=%s)");
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fmt % typeName;
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return fmt.str();
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}
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}
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JsonNode HasAnotherBonusLimiter::toJsonNode() const
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{
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JsonNode root;
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std::string typeName = vstd::findKey(bonusNameMap, type);
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auto sourceTypeName = vstd::findKey(bonusSourceMap, source);
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root["type"].String() = "HAS_ANOTHER_BONUS_LIMITER";
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root["parameters"].Vector().emplace_back(typeName);
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if(isSubtypeRelevant)
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root["parameters"].Vector().emplace_back(subtype.toString());
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if(isSourceRelevant)
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root["parameters"].Vector().emplace_back(sourceTypeName);
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return root;
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}
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ILimiter::EDecision UnitOnHexLimiter::limit(const BonusLimitationContext &context) const
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{
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const auto * stack = retrieveStackBattle(&context.node);
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if(!stack)
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return ILimiter::EDecision::DISCARD;
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auto accept = false;
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for (const auto & hex : stack->getHexes())
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accept |= !!applicableHexes.count(hex);
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return accept ? ILimiter::EDecision::ACCEPT : ILimiter::EDecision::DISCARD;
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}
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UnitOnHexLimiter::UnitOnHexLimiter(const std::set<BattleHex> & applicableHexes):
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applicableHexes(applicableHexes)
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{
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}
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JsonNode UnitOnHexLimiter::toJsonNode() const
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{
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JsonNode root;
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root["type"].String() = "UNIT_ON_HEXES";
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for(const auto & hex : applicableHexes)
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root["parameters"].Vector().emplace_back(hex);
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return root;
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}
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CreatureTerrainLimiter::CreatureTerrainLimiter()
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: terrainType(ETerrainId::NATIVE_TERRAIN)
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{
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}
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CreatureTerrainLimiter::CreatureTerrainLimiter(TerrainId terrain):
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terrainType(terrain)
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{
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}
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ILimiter::EDecision CreatureTerrainLimiter::limit(const BonusLimitationContext &context) const
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{
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const CStack *stack = retrieveStackBattle(&context.node);
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if(stack)
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{
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if (terrainType == ETerrainId::NATIVE_TERRAIN && stack->isOnNativeTerrain())//terrainType not specified = native
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return ILimiter::EDecision::ACCEPT;
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if(terrainType != ETerrainId::NATIVE_TERRAIN && stack->isOnTerrain(terrainType))
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return ILimiter::EDecision::ACCEPT;
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}
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return ILimiter::EDecision::DISCARD;
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//TODO neutral creatues
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}
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std::string CreatureTerrainLimiter::toString() const
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{
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boost::format fmt("CreatureTerrainLimiter(terrainType=%s)");
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auto terrainName = VLC->terrainTypeHandler->getById(terrainType)->getJsonKey();
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fmt % (terrainType == ETerrainId::NATIVE_TERRAIN ? "native" : terrainName);
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return fmt.str();
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}
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JsonNode CreatureTerrainLimiter::toJsonNode() const
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{
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JsonNode root;
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root["type"].String() = "CREATURE_TERRAIN_LIMITER";
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auto terrainName = VLC->terrainTypeHandler->getById(terrainType)->getJsonKey();
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root["parameters"].Vector().emplace_back(terrainName);
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return root;
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}
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FactionLimiter::FactionLimiter(FactionID creatureFaction)
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: faction(creatureFaction)
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{
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}
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ILimiter::EDecision FactionLimiter::limit(const BonusLimitationContext &context) const
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{
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const auto * bearer = dynamic_cast<const INativeTerrainProvider*>(&context.node);
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if(bearer)
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{
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if(faction != FactionID::DEFAULT)
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return bearer->getFaction() == faction ? ILimiter::EDecision::ACCEPT : ILimiter::EDecision::DISCARD;
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switch(context.b.source)
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{
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case BonusSource::CREATURE_ABILITY:
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return bearer->getFaction() == context.b.sid.as<CreatureID>().toCreature()->getFaction() ? ILimiter::EDecision::ACCEPT : ILimiter::EDecision::DISCARD;
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case BonusSource::TOWN_STRUCTURE:
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return bearer->getFaction() == context.b.sid.as<BuildingTypeUniqueID>().getFaction() ? ILimiter::EDecision::ACCEPT : ILimiter::EDecision::DISCARD;
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//TODO: other sources of bonuses
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}
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}
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return ILimiter::EDecision::DISCARD; //Discard by default
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}
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std::string FactionLimiter::toString() const
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{
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boost::format fmt("FactionLimiter(faction=%s)");
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fmt % VLC->factions()->getById(faction)->getJsonKey();
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return fmt.str();
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}
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JsonNode FactionLimiter::toJsonNode() const
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{
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JsonNode root;
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root["type"].String() = "FACTION_LIMITER";
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root["parameters"].Vector().emplace_back(VLC->factions()->getById(faction)->getJsonKey());
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return root;
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}
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CreatureLevelLimiter::CreatureLevelLimiter(uint32_t minLevel, uint32_t maxLevel) :
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minLevel(minLevel),
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maxLevel(maxLevel)
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{
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}
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ILimiter::EDecision CreatureLevelLimiter::limit(const BonusLimitationContext &context) const
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{
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const auto *c = retrieveCreature(&context.node);
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auto accept = c && (c->getLevel() < maxLevel && c->getLevel() >= minLevel);
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return accept ? ILimiter::EDecision::ACCEPT : ILimiter::EDecision::DISCARD; //drop bonus for non-creatures or non-native residents
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}
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std::string CreatureLevelLimiter::toString() const
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{
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boost::format fmt("CreatureLevelLimiter(minLevel=%d,maxLevel=%d)");
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fmt % minLevel % maxLevel;
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return fmt.str();
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}
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JsonNode CreatureLevelLimiter::toJsonNode() const
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{
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JsonNode root;
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root["type"].String() = "CREATURE_LEVEL_LIMITER";
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root["parameters"].Vector().emplace_back(minLevel);
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root["parameters"].Vector().emplace_back(maxLevel);
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return root;
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}
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CreatureAlignmentLimiter::CreatureAlignmentLimiter(EAlignment Alignment)
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: alignment(Alignment)
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{
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}
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ILimiter::EDecision CreatureAlignmentLimiter::limit(const BonusLimitationContext &context) const
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{
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const auto * c = retrieveCreature(&context.node);
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if(c) {
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if(alignment == EAlignment::GOOD && c->isGood())
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return ILimiter::EDecision::ACCEPT;
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if(alignment == EAlignment::EVIL && c->isEvil())
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return ILimiter::EDecision::ACCEPT;
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if(alignment == EAlignment::NEUTRAL && !c->isEvil() && !c->isGood())
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return ILimiter::EDecision::ACCEPT;
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}
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return ILimiter::EDecision::DISCARD;
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}
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std::string CreatureAlignmentLimiter::toString() const
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{
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boost::format fmt("CreatureAlignmentLimiter(alignment=%s)");
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fmt % GameConstants::ALIGNMENT_NAMES[vstd::to_underlying(alignment)];
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return fmt.str();
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}
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JsonNode CreatureAlignmentLimiter::toJsonNode() const
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{
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JsonNode root;
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root["type"].String() = "CREATURE_ALIGNMENT_LIMITER";
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root["parameters"].Vector().emplace_back(GameConstants::ALIGNMENT_NAMES[vstd::to_underlying(alignment)]);
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return root;
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}
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RankRangeLimiter::RankRangeLimiter(ui8 Min, ui8 Max)
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:minRank(Min), maxRank(Max)
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{
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}
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RankRangeLimiter::RankRangeLimiter()
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{
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minRank = maxRank = -1;
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}
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ILimiter::EDecision RankRangeLimiter::limit(const BonusLimitationContext &context) const
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{
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const CStackInstance * csi = retrieveStackInstance(&context.node);
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if(csi)
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{
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if (csi->getNodeType() == CBonusSystemNode::COMMANDER) //no stack exp bonuses for commander creatures
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return ILimiter::EDecision::DISCARD;
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if (csi->getExpRank() > minRank && csi->getExpRank() < maxRank)
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return ILimiter::EDecision::ACCEPT;
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}
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return ILimiter::EDecision::DISCARD;
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}
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OppositeSideLimiter::OppositeSideLimiter(PlayerColor Owner):
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owner(std::move(Owner))
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{
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}
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ILimiter::EDecision OppositeSideLimiter::limit(const BonusLimitationContext & context) const
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{
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auto contextOwner = context.node.getOwner();
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auto decision = (owner == contextOwner || owner == PlayerColor::CANNOT_DETERMINE) ? ILimiter::EDecision::DISCARD : ILimiter::EDecision::ACCEPT;
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return decision;
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}
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// Aggregate/Boolean Limiters
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AggregateLimiter::AggregateLimiter(std::vector<TLimiterPtr> limiters):
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limiters(std::move(limiters))
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{
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}
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void AggregateLimiter::add(const TLimiterPtr & limiter)
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{
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if(limiter)
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limiters.push_back(limiter);
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}
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JsonNode AggregateLimiter::toJsonNode() const
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{
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JsonNode result;
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result.Vector().emplace_back(getAggregator());
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for(const auto & l : limiters)
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result.Vector().push_back(l->toJsonNode());
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return result;
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}
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const std::string AllOfLimiter::aggregator = "allOf";
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const std::string & AllOfLimiter::getAggregator() const
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{
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return aggregator;
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}
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AllOfLimiter::AllOfLimiter(std::vector<TLimiterPtr> limiters):
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AggregateLimiter(limiters)
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{
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}
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ILimiter::EDecision AllOfLimiter::limit(const BonusLimitationContext & context) const
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{
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bool wasntSure = false;
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for(const auto & limiter : limiters)
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{
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auto result = limiter->limit(context);
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if(result == ILimiter::EDecision::DISCARD)
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return result;
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if(result == ILimiter::EDecision::NOT_SURE)
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wasntSure = true;
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}
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return wasntSure ? ILimiter::EDecision::NOT_SURE : ILimiter::EDecision::ACCEPT;
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}
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const std::string AnyOfLimiter::aggregator = "anyOf";
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const std::string & AnyOfLimiter::getAggregator() const
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{
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return aggregator;
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}
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AnyOfLimiter::AnyOfLimiter(std::vector<TLimiterPtr> limiters):
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AggregateLimiter(limiters)
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{
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}
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ILimiter::EDecision AnyOfLimiter::limit(const BonusLimitationContext & context) const
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{
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bool wasntSure = false;
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for(const auto & limiter : limiters)
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{
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auto result = limiter->limit(context);
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if(result == ILimiter::EDecision::ACCEPT)
|
|
return result;
|
|
if(result == ILimiter::EDecision::NOT_SURE)
|
|
wasntSure = true;
|
|
}
|
|
|
|
return wasntSure ? ILimiter::EDecision::NOT_SURE : ILimiter::EDecision::DISCARD;
|
|
}
|
|
|
|
const std::string NoneOfLimiter::aggregator = "noneOf";
|
|
const std::string & NoneOfLimiter::getAggregator() const
|
|
{
|
|
return aggregator;
|
|
}
|
|
|
|
NoneOfLimiter::NoneOfLimiter(std::vector<TLimiterPtr> limiters):
|
|
AggregateLimiter(limiters)
|
|
{
|
|
}
|
|
|
|
ILimiter::EDecision NoneOfLimiter::limit(const BonusLimitationContext & context) const
|
|
{
|
|
bool wasntSure = false;
|
|
|
|
for(const auto & limiter : limiters)
|
|
{
|
|
auto result = limiter->limit(context);
|
|
if(result == ILimiter::EDecision::ACCEPT)
|
|
return ILimiter::EDecision::DISCARD;
|
|
if(result == ILimiter::EDecision::NOT_SURE)
|
|
wasntSure = true;
|
|
}
|
|
|
|
return wasntSure ? ILimiter::EDecision::NOT_SURE : ILimiter::EDecision::ACCEPT;
|
|
}
|
|
|
|
VCMI_LIB_NAMESPACE_END
|