mirror of
https://github.com/vcmi/vcmi.git
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341 lines
9.6 KiB
C++
341 lines
9.6 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 "StringConstants.h"
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#include "VCMI_Lib.h"
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#include "CModHandler.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 "mapObjects/CObjectHandler.h"
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#include "IGameCallback.h"
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VCMI_LIB_NAMESPACE_BEGIN
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namespace JsonRandom
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{
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si32 loadValue(const JsonNode & value, CRandomGenerator & rng, 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.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, 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, defaultValue));
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si32 min = static_cast<si32>(loadValue(value["min"], rng, 0));
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si32 max = static_cast<si32>(loadValue(value["max"], rng, 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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std::string loadKey(const JsonNode & value, CRandomGenerator & rng, const std::set<std::string> & valuesSet)
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{
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if(value.isString())
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return value.String();
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if(value.isStruct())
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{
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if(!value["type"].isNull())
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return value["type"].String();
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if(!value["anyOf"].isNull())
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return RandomGeneratorUtil::nextItem(value["anyOf"].Vector(), rng)->String();
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if(!value["noneOf"].isNull())
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{
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auto copyValuesSet = valuesSet;
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for(auto & s : value["noneOf"].Vector())
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copyValuesSet.erase(s.String());
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if(!copyValuesSet.empty())
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return *RandomGeneratorUtil::nextItem(copyValuesSet, rng);
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}
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}
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return valuesSet.empty() ? "" : *RandomGeneratorUtil::nextItem(valuesSet, rng);
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}
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TResources loadResources(const JsonNode & value, CRandomGenerator & rng)
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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);
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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);
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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)
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{
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std::set<std::string> defaultResources(std::begin(GameConstants::RESOURCE_NAMES), std::end(GameConstants::RESOURCE_NAMES) - 1); //except mithril
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std::string resourceName = loadKey(value, rng, defaultResources);
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si32 resourceAmount = loadValue(value, rng, 0);
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si32 resourceID(VLC->modh->identifiers.getIdentifier(value.meta, "resource", resourceName).value());
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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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std::vector<si32> loadPrimary(const JsonNode & value, CRandomGenerator & rng)
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{
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std::vector<si32> ret;
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if(value.isStruct())
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{
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for(const auto & name : PrimarySkill::names)
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{
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ret.push_back(loadValue(value[name], rng));
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}
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}
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if(value.isVector())
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{
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ret.resize(GameConstants::PRIMARY_SKILLS, 0);
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std::set<std::string> defaultStats(std::begin(PrimarySkill::names), std::end(PrimarySkill::names));
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for(const auto & element : value.Vector())
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{
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auto key = loadKey(element, rng, defaultStats);
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defaultStats.erase(key);
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int id = vstd::find_pos(PrimarySkill::names, key);
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if(id != -1)
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ret[id] += loadValue(element, rng);
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}
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}
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return ret;
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}
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std::map<SecondarySkill, si32> loadSecondary(const JsonNode & value, CRandomGenerator & rng)
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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(VLC->modh->identifiers.getIdentifier(pair.second.meta, "skill", pair.first).value());
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ret[id] = loadValue(pair.second, rng);
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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<std::string> defaultSkills;
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for(const auto & skill : VLC->skillh->objects)
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{
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IObjectInterface::cb->isAllowed(2, skill->getIndex());
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auto scopeAndName = vstd::splitStringToPair(skill->getJsonKey(), ':');
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if(scopeAndName.first == CModHandler::scopeBuiltin() || scopeAndName.first == value.meta)
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defaultSkills.insert(scopeAndName.second);
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else
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defaultSkills.insert(skill->getJsonKey());
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}
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for(const auto & element : value.Vector())
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{
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auto key = loadKey(element, rng, defaultSkills);
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defaultSkills.erase(key); //avoid dupicates
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if(auto identifier = VLC->modh->identifiers.getIdentifier(CModHandler::scopeGame(), "skill", key))
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{
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SecondarySkill id(identifier.value());
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ret[id] = loadValue(element, rng);
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}
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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)
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{
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if (value.getType() == JsonNode::JsonType::DATA_STRING)
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return ArtifactID(VLC->modh->identifiers.getIdentifier("artifact", value).value());
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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(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(entry.String()));
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if (!value["minValue"].isNull()) minValue = static_cast<ui32>(value["minValue"].Float());
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if (!value["maxValue"].isNull()) maxValue = static_cast<ui32>(value["maxValue"].Float());
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return VLC->arth->pickRandomArtifact(rng, [=](const ArtifactID & artID) -> bool
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{
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CArtifact * art = VLC->arth->objects[artID];
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if(!vstd::iswithin(art->price, minValue, maxValue))
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return false;
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if(!allowedClasses.empty() && !allowedClasses.count(art->aClass))
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return false;
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if(!IObjectInterface::cb->isAllowed(1, art->getIndex()))
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return false;
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if(!allowedPositions.empty())
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{
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for(const auto & pos : art->possibleSlots[ArtBearer::HERO])
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{
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if(allowedPositions.count(pos))
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return true;
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}
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return false;
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}
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return true;
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});
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}
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std::vector<ArtifactID> loadArtifacts(const JsonNode & value, CRandomGenerator & rng)
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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));
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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, std::vector<SpellID> spells)
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{
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if (value.getType() == JsonNode::JsonType::DATA_STRING)
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return SpellID(VLC->modh->identifiers.getIdentifier("spell", value).value());
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vstd::erase_if(spells, [=](const SpellID & spell)
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{
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return VLC->spellh->getById(spell)->getLevel() != si32(value["level"].Float());
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});
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return SpellID(*RandomGeneratorUtil::nextItem(spells, rng));
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}
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std::vector<SpellID> loadSpells(const JsonNode & value, CRandomGenerator & rng, const std::vector<SpellID> & spells)
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{
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// possible extensions: (taken from spell json config)
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// "type": "adventure",//"adventure", "combat", "ability"
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// "school": {"air":true, "earth":true, "fire":true, "water":true},
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// "level": 1,
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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, spells));
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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)
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{
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CStackBasicDescriptor stack;
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stack.type = VLC->creh->objects[VLC->modh->identifiers.getIdentifier("creature", value["type"]).value()];
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stack.count = loadValue(value, rng);
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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 = VLC->creh->objects[*RandomGeneratorUtil::nextItem(stack.type->upgrades, rng)];
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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)
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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));
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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)
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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;
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if (!node["amount"].isNull())
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info.minAmount = info.maxAmount = static_cast<si32>(node["amount"].Float());
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else
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{
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info.minAmount = static_cast<si32>(node["min"].Float());
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info.maxAmount = static_cast<si32>(node["max"].Float());
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}
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const CCreature * crea = VLC->creh->objects[VLC->modh->identifiers.getIdentifier("creature", node["type"]).value()];
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info.allowedCreatures.push_back(crea);
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if (node["upgradeChance"].Float() > 0)
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{
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for(const auto & creaID : crea->upgrades)
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info.allowedCreatures.push_back(VLC->creh->objects[creaID]);
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}
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ret.push_back(info);
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}
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return ret;
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}
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//std::vector<Component> loadComponents(const JsonNode & value)
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//{
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// std::vector<Component> ret;
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// return ret;
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// //TODO
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//}
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std::vector<Bonus> DLL_LINKAGE loadBonuses(const JsonNode & value)
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{
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std::vector<Bonus> ret;
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for (const JsonNode & entry : value.Vector())
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{
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if(auto bonus = JsonUtils::parseBonus(entry))
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ret.push_back(*bonus);
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}
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return ret;
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}
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}
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VCMI_LIB_NAMESPACE_END
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