mirror of
https://github.com/vcmi/vcmi.git
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547 lines
16 KiB
C++
547 lines
16 KiB
C++
/*
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* JsonRandom.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 "JsonRandom.h"
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#include <vstd/StringUtils.h>
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#include "JsonNode.h"
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#include "CRandomGenerator.h"
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#include "constants/StringConstants.h"
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#include "VCMI_Lib.h"
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#include "CArtHandler.h"
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#include "CCreatureHandler.h"
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#include "CCreatureSet.h"
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#include "spells/CSpellHandler.h"
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#include "CSkillHandler.h"
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#include "CHeroHandler.h"
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#include "IGameCallback.h"
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#include "gameState/CGameState.h"
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#include "mapObjects/IObjectInterface.h"
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#include "modding/IdentifierStorage.h"
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#include "modding/ModScope.h"
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VCMI_LIB_NAMESPACE_BEGIN
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namespace JsonRandom
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{
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si32 loadVariable(std::string variableGroup, const std::string & value, const Variables & variables, si32 defaultValue)
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{
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if (value.empty() || value[0] != '@')
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{
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logMod->warn("Invalid syntax in load value! Can not load value from '%s'", value);
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return defaultValue;
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}
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std::string variableID = variableGroup + value;
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if (variables.count(variableID) == 0)
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{
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logMod->warn("Invalid syntax in load value! Unknown variable '%s'", value);
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return defaultValue;
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}
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return variables.at(variableID);
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}
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si32 loadValue(const JsonNode & value, CRandomGenerator & rng, const Variables & variables, si32 defaultValue)
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{
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if(value.isNull())
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return defaultValue;
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if(value.isNumber())
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return static_cast<si32>(value.Float());
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if (value.isString())
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return loadVariable("number", value.String(), variables, defaultValue);
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if(value.isVector())
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{
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const auto & vector = value.Vector();
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size_t index= rng.getIntRange(0, vector.size()-1)();
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return loadValue(vector[index], rng, variables, 0);
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}
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if(value.isStruct())
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{
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if (!value["amount"].isNull())
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return static_cast<si32>(loadValue(value["amount"], rng, variables, defaultValue));
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si32 min = static_cast<si32>(loadValue(value["min"], rng, variables, 0));
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si32 max = static_cast<si32>(loadValue(value["max"], rng, variables, 0));
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return rng.getIntRange(min, max)();
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}
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return defaultValue;
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}
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template<typename IdentifierType>
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IdentifierType decodeKey(const std::string & modScope, const std::string & value, const Variables & variables)
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{
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if (value.empty() || value[0] != '@')
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return IdentifierType(*VLC->identifiers()->getIdentifier(modScope, IdentifierType::entityType(), value));
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else
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return loadVariable(IdentifierType::entityType(), value, variables, IdentifierType::NONE);
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}
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template<typename IdentifierType>
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IdentifierType decodeKey(const JsonNode & value, const Variables & variables)
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{
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if (value.String().empty() || value.String()[0] != '@')
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return IdentifierType(*VLC->identifiers()->getIdentifier(IdentifierType::entityType(), value));
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else
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return loadVariable(IdentifierType::entityType(), value.String(), variables, IdentifierType::NONE);
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}
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template<>
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PlayerColor decodeKey(const JsonNode & value, const Variables & variables)
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{
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return PlayerColor(*VLC->identifiers()->getIdentifier("playerColor", value));
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}
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template<>
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PrimarySkill decodeKey(const JsonNode & value, const Variables & variables)
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{
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return PrimarySkill(*VLC->identifiers()->getIdentifier("primarySkill", value));
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}
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template<>
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PrimarySkill decodeKey(const std::string & modScope, const std::string & value, const Variables & variables)
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{
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if (value.empty() || value[0] != '@')
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return PrimarySkill(*VLC->identifiers()->getIdentifier(modScope, "primarySkill", value));
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else
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return PrimarySkill(loadVariable("primarySkill", value, variables, PrimarySkill::NONE.getNum()));
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}
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/// Method that allows type-specific object filtering
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/// Default implementation is to accept all input objects
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template<typename IdentifierType>
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std::set<IdentifierType> filterKeysTyped(const JsonNode & value, const std::set<IdentifierType> & valuesSet)
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{
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return valuesSet;
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}
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template<>
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std::set<ArtifactID> filterKeysTyped(const JsonNode & value, const std::set<ArtifactID> & valuesSet)
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{
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assert(value.isStruct());
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std::set<CArtifact::EartClass> allowedClasses;
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std::set<ArtifactPosition> allowedPositions;
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ui32 minValue = 0;
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ui32 maxValue = std::numeric_limits<ui32>::max();
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if (value["class"].getType() == JsonNode::JsonType::DATA_STRING)
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allowedClasses.insert(CArtHandler::stringToClass(value["class"].String()));
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else
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for(const auto & entry : value["class"].Vector())
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allowedClasses.insert(CArtHandler::stringToClass(entry.String()));
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if (value["slot"].getType() == JsonNode::JsonType::DATA_STRING)
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allowedPositions.insert(ArtifactPosition::decode(value["class"].String()));
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else
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for(const auto & entry : value["slot"].Vector())
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allowedPositions.insert(ArtifactPosition::decode(entry.String()));
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if (!value["minValue"].isNull())
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minValue = static_cast<ui32>(value["minValue"].Float());
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if (!value["maxValue"].isNull())
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maxValue = static_cast<ui32>(value["maxValue"].Float());
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std::set<ArtifactID> result;
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for (auto const & artID : valuesSet)
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{
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const CArtifact * art = artID.toArtifact();
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if(!vstd::iswithin(art->getPrice(), minValue, maxValue))
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continue;
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if(!allowedClasses.empty() && !allowedClasses.count(art->aClass))
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continue;
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if(!IObjectInterface::cb->isAllowed(art->getId()))
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continue;
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if(!allowedPositions.empty())
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{
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bool positionAllowed = false;
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for(const auto & pos : art->getPossibleSlots().at(ArtBearer::HERO))
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{
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if(allowedPositions.count(pos))
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positionAllowed = true;
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}
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if (!positionAllowed)
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continue;
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}
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result.insert(artID);
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}
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return result;
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}
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template<>
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std::set<SpellID> filterKeysTyped(const JsonNode & value, const std::set<SpellID> & valuesSet)
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{
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std::set<SpellID> result = valuesSet;
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if (!value["level"].isNull())
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{
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int32_t spellLevel = value["level"].Integer();
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vstd::erase_if(result, [=](const SpellID & spell)
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{
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return VLC->spellh->getById(spell)->getLevel() != spellLevel;
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});
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}
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if (!value["school"].isNull())
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{
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int32_t schoolID = VLC->identifiers()->getIdentifier("spellSchool", value["school"]).value();
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vstd::erase_if(result, [=](const SpellID & spell)
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{
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return !VLC->spellh->getById(spell)->hasSchool(SpellSchool(schoolID));
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});
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}
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return result;
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}
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template<typename IdentifierType>
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std::set<IdentifierType> filterKeys(const JsonNode & value, const std::set<IdentifierType> & valuesSet, const Variables & variables)
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{
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if(value.isString())
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return { decodeKey<IdentifierType>(value, variables) };
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assert(value.isStruct());
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if(value.isStruct())
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{
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if(!value["type"].isNull())
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return filterKeys(value["type"], valuesSet, variables);
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std::set<IdentifierType> filteredTypes = filterKeysTyped(value, valuesSet);
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if(!value["anyOf"].isNull())
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{
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std::set<IdentifierType> filteredAnyOf;
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for (auto const & entry : value["anyOf"].Vector())
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{
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std::set<IdentifierType> subset = filterKeys(entry, valuesSet, variables);
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filteredAnyOf.insert(subset.begin(), subset.end());
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}
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vstd::erase_if(filteredTypes, [&](const IdentifierType & value)
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{
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return filteredAnyOf.count(value) == 0;
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});
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}
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if(!value["noneOf"].isNull())
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{
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for (auto const & entry : value["noneOf"].Vector())
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{
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std::set<IdentifierType> subset = filterKeys(entry, valuesSet, variables);
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for (auto bannedEntry : subset )
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filteredTypes.erase(bannedEntry);
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}
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}
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return filteredTypes;
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}
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return valuesSet;
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}
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TResources loadResources(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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TResources ret;
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if (value.isVector())
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{
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for (const auto & entry : value.Vector())
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ret += loadResource(entry, rng, variables);
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return ret;
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}
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for (size_t i=0; i<GameConstants::RESOURCE_QUANTITY; i++)
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{
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ret[i] = loadValue(value[GameConstants::RESOURCE_NAMES[i]], rng, variables);
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}
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return ret;
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}
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TResources loadResource(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::set<GameResID> defaultResources{
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GameResID::WOOD,
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GameResID::MERCURY,
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GameResID::ORE,
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GameResID::SULFUR,
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GameResID::CRYSTAL,
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GameResID::GEMS,
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GameResID::GOLD
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};
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std::set<GameResID> potentialPicks = filterKeys(value, defaultResources, variables);
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GameResID resourceID = *RandomGeneratorUtil::nextItem(potentialPicks, rng);
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si32 resourceAmount = loadValue(value, rng, variables, 0);
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TResources ret;
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ret[resourceID] = resourceAmount;
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return ret;
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}
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PrimarySkill loadPrimary(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::set<PrimarySkill> defaultSkills{
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PrimarySkill::ATTACK,
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PrimarySkill::DEFENSE,
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PrimarySkill::SPELL_POWER,
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PrimarySkill::KNOWLEDGE
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};
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std::set<PrimarySkill> potentialPicks = filterKeys(value, defaultSkills, variables);
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return *RandomGeneratorUtil::nextItem(potentialPicks, rng);
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}
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std::vector<si32> loadPrimaries(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::vector<si32> ret(GameConstants::PRIMARY_SKILLS, 0);
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std::set<PrimarySkill> defaultSkills{
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PrimarySkill::ATTACK,
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PrimarySkill::DEFENSE,
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PrimarySkill::SPELL_POWER,
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PrimarySkill::KNOWLEDGE
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};
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if(value.isStruct())
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{
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for(const auto & pair : value.Struct())
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{
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PrimarySkill id = decodeKey<PrimarySkill>(pair.second.meta, pair.first, variables);
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ret[id.getNum()] += loadValue(pair.second, rng, variables);
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}
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}
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if(value.isVector())
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{
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for(const auto & element : value.Vector())
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{
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std::set<PrimarySkill> potentialPicks = filterKeys(element, defaultSkills, variables);
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PrimarySkill skillID = *RandomGeneratorUtil::nextItem(potentialPicks, rng);
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defaultSkills.erase(skillID);
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ret[skillID.getNum()] += loadValue(element, rng, variables);
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}
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}
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return ret;
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}
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SecondarySkill loadSecondary(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::set<SecondarySkill> defaultSkills;
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for(const auto & skill : VLC->skillh->objects)
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if (IObjectInterface::cb->isAllowed(skill->getId()))
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defaultSkills.insert(skill->getId());
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std::set<SecondarySkill> potentialPicks = filterKeys(value, defaultSkills, variables);
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return *RandomGeneratorUtil::nextItem(potentialPicks, rng);
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}
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std::map<SecondarySkill, si32> loadSecondaries(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::map<SecondarySkill, si32> ret;
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if(value.isStruct())
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{
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for(const auto & pair : value.Struct())
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{
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SecondarySkill id = decodeKey<SecondarySkill>(pair.second.meta, pair.first, variables);
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ret[id] = loadValue(pair.second, rng, variables);
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}
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}
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if(value.isVector())
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{
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std::set<SecondarySkill> defaultSkills;
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for(const auto & skill : VLC->skillh->objects)
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if (IObjectInterface::cb->isAllowed(skill->getId()))
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defaultSkills.insert(skill->getId());
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for(const auto & element : value.Vector())
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{
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std::set<SecondarySkill> potentialPicks = filterKeys(element, defaultSkills, variables);
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SecondarySkill skillID = *RandomGeneratorUtil::nextItem(potentialPicks, rng);
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defaultSkills.erase(skillID); //avoid dupicates
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ret[skillID] = loadValue(element, rng, variables);
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}
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}
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return ret;
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}
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ArtifactID loadArtifact(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::set<ArtifactID> allowedArts;
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for (auto const * artifact : VLC->arth->allowedArtifacts)
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allowedArts.insert(artifact->getId());
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std::set<ArtifactID> potentialPicks = filterKeys(value, allowedArts, variables);
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return IObjectInterface::cb->gameState()->pickRandomArtifact(rng, potentialPicks);
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}
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std::vector<ArtifactID> loadArtifacts(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::vector<ArtifactID> ret;
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for (const JsonNode & entry : value.Vector())
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{
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ret.push_back(loadArtifact(entry, rng, variables));
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}
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return ret;
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}
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SpellID loadSpell(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::set<SpellID> defaultSpells;
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for(const auto & spell : VLC->spellh->objects)
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if (IObjectInterface::cb->isAllowed(spell->getId()) && !spell->isSpecial())
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defaultSpells.insert(spell->getId());
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std::set<SpellID> potentialPicks = filterKeys(value, defaultSpells, variables);
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if (potentialPicks.empty())
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{
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logMod->warn("Failed to select suitable random spell!");
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return SpellID::NONE;
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}
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return *RandomGeneratorUtil::nextItem(potentialPicks, rng);
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}
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std::vector<SpellID> loadSpells(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::vector<SpellID> ret;
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for (const JsonNode & entry : value.Vector())
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{
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ret.push_back(loadSpell(entry, rng, variables));
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}
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return ret;
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}
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std::vector<PlayerColor> loadColors(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::vector<PlayerColor> ret;
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std::set<PlayerColor> defaultPlayers;
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for(size_t i = 0; i < PlayerColor::PLAYER_LIMIT_I; ++i)
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defaultPlayers.insert(PlayerColor(i));
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for(auto & entry : value.Vector())
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{
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std::set<PlayerColor> potentialPicks = filterKeys(entry, defaultPlayers, variables);
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ret.push_back(*RandomGeneratorUtil::nextItem(potentialPicks, rng));
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}
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return ret;
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}
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std::vector<HeroTypeID> loadHeroes(const JsonNode & value, CRandomGenerator & rng)
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{
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std::vector<HeroTypeID> ret;
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for(auto & entry : value.Vector())
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{
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ret.push_back(VLC->heroTypes()->getByIndex(VLC->identifiers()->getIdentifier("hero", entry.String()).value())->getId());
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}
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return ret;
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}
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std::vector<HeroClassID> loadHeroClasses(const JsonNode & value, CRandomGenerator & rng)
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{
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std::vector<HeroClassID> ret;
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for(auto & entry : value.Vector())
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{
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ret.push_back(VLC->heroClasses()->getByIndex(VLC->identifiers()->getIdentifier("heroClass", entry.String()).value())->getId());
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}
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return ret;
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}
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CStackBasicDescriptor loadCreature(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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CStackBasicDescriptor stack;
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std::set<CreatureID> defaultCreatures;
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for(const auto & creature : VLC->creh->objects)
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if (!creature->special)
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defaultCreatures.insert(creature->getId());
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std::set<CreatureID> potentialPicks = filterKeys(value, defaultCreatures, variables);
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CreatureID pickedCreature;
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if (!potentialPicks.empty())
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pickedCreature = *RandomGeneratorUtil::nextItem(potentialPicks, rng);
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else
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logMod->warn("Failed to select suitable random creature!");
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stack.type = pickedCreature.toCreature();
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stack.count = loadValue(value, rng, variables);
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if (!value["upgradeChance"].isNull() && !stack.type->upgrades.empty())
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{
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if (int(value["upgradeChance"].Float()) > rng.nextInt(99)) // select random upgrade
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{
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stack.type = RandomGeneratorUtil::nextItem(stack.type->upgrades, rng)->toCreature();
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}
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}
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return stack;
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}
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std::vector<CStackBasicDescriptor> loadCreatures(const JsonNode & value, CRandomGenerator & rng, const Variables & variables)
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{
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std::vector<CStackBasicDescriptor> ret;
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for (const JsonNode & node : value.Vector())
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{
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ret.push_back(loadCreature(node, rng, variables));
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}
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return ret;
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}
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std::vector<RandomStackInfo> evaluateCreatures(const JsonNode & value, const Variables & variables)
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{
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std::vector<RandomStackInfo> ret;
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for (const JsonNode & node : value.Vector())
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{
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RandomStackInfo info;
|
|
|
|
if (!node["amount"].isNull())
|
|
info.minAmount = info.maxAmount = static_cast<si32>(node["amount"].Float());
|
|
else
|
|
{
|
|
info.minAmount = static_cast<si32>(node["min"].Float());
|
|
info.maxAmount = static_cast<si32>(node["max"].Float());
|
|
}
|
|
const CCreature * crea = VLC->creh->objects[VLC->identifiers()->getIdentifier("creature", node["type"]).value()];
|
|
info.allowedCreatures.push_back(crea);
|
|
if (node["upgradeChance"].Float() > 0)
|
|
{
|
|
for(const auto & creaID : crea->upgrades)
|
|
info.allowedCreatures.push_back(creaID.toCreature());
|
|
}
|
|
ret.push_back(info);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
std::vector<Bonus> DLL_LINKAGE loadBonuses(const JsonNode & value)
|
|
{
|
|
std::vector<Bonus> ret;
|
|
for (const JsonNode & entry : value.Vector())
|
|
{
|
|
if(auto bonus = JsonUtils::parseBonus(entry))
|
|
ret.push_back(*bonus);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
}
|
|
|
|
VCMI_LIB_NAMESPACE_END
|