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279 lines
7.2 KiB
C++
279 lines
7.2 KiB
C++
/*
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* BonusList.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 "CBonusSystemNode.h"
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#include "../JsonNode.h"
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VCMI_LIB_NAMESPACE_BEGIN
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BonusList::BonusList(bool BelongsToTree) : belongsToTree(BelongsToTree)
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{
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}
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BonusList::BonusList(const BonusList & bonusList): belongsToTree(false)
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{
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bonuses.resize(bonusList.size());
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std::copy(bonusList.begin(), bonusList.end(), bonuses.begin());
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}
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BonusList::BonusList(BonusList && other) noexcept: belongsToTree(false)
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{
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std::swap(belongsToTree, other.belongsToTree);
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std::swap(bonuses, other.bonuses);
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}
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BonusList& BonusList::operator=(const BonusList &bonusList)
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{
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bonuses.resize(bonusList.size());
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std::copy(bonusList.begin(), bonusList.end(), bonuses.begin());
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belongsToTree = false;
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return *this;
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}
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void BonusList::changed() const
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{
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if(belongsToTree)
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CBonusSystemNode::treeHasChanged();
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}
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void BonusList::stackBonuses()
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{
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boost::sort(bonuses, [](const std::shared_ptr<Bonus> & b1, const std::shared_ptr<Bonus> & b2) -> bool
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{
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if(b1 == b2)
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return false;
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#define COMPARE_ATT(ATT) if(b1->ATT != b2->ATT) return b1->ATT < b2->ATT
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COMPARE_ATT(stacking);
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COMPARE_ATT(type);
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COMPARE_ATT(subtype);
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COMPARE_ATT(valType);
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#undef COMPARE_ATT
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return b1->val > b2->val;
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});
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// remove non-stacking
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size_t next = 1;
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while(next < bonuses.size())
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{
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bool remove = false;
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std::shared_ptr<Bonus> last = bonuses[next-1];
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std::shared_ptr<Bonus> current = bonuses[next];
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if(current->stacking.empty())
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remove = current == last;
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else if(current->stacking == "ALWAYS")
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remove = false;
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else
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remove = current->stacking == last->stacking
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&& current->type == last->type
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&& current->subtype == last->subtype
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&& current->valType == last->valType;
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if(remove)
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bonuses.erase(bonuses.begin() + next);
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else
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next++;
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}
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}
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int BonusList::totalValue() const
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{
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struct BonusCollection
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{
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int base = 0;
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int percentToBase = 0;
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int percentToAll = 0;
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int additive = 0;
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int percentToSource = 0;
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int indepMin = std::numeric_limits<int>::max();
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int indepMax = std::numeric_limits<int>::min();
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};
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auto percent = [](int64_t base, int64_t percent) -> int {
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return static_cast<int>(std::clamp<int64_t>((base * (100 + percent)) / 100, std::numeric_limits<int>::min(), std::numeric_limits<int>::max()));
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};
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std::array <BonusCollection, vstd::to_underlying(BonusSource::NUM_BONUS_SOURCE)> sources = {};
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BonusCollection any;
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bool hasIndepMax = false;
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bool hasIndepMin = false;
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for(const auto & b : bonuses)
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{
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switch(b->valType)
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{
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case BonusValueType::BASE_NUMBER:
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sources[vstd::to_underlying(b->source)].base += b->val;
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break;
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case BonusValueType::PERCENT_TO_ALL:
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sources[vstd::to_underlying(b->source)].percentToAll += b->val;
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break;
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case BonusValueType::PERCENT_TO_BASE:
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sources[vstd::to_underlying(b->source)].percentToBase += b->val;
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break;
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case BonusValueType::PERCENT_TO_SOURCE:
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sources[vstd::to_underlying(b->source)].percentToSource += b->val;
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break;
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case BonusValueType::PERCENT_TO_TARGET_TYPE:
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sources[vstd::to_underlying(b->targetSourceType)].percentToSource += b->val;
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break;
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case BonusValueType::ADDITIVE_VALUE:
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sources[vstd::to_underlying(b->source)].additive += b->val;
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break;
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case BonusValueType::INDEPENDENT_MAX:
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hasIndepMax = true;
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vstd::amax(sources[vstd::to_underlying(b->source)].indepMax, b->val);
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break;
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case BonusValueType::INDEPENDENT_MIN:
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hasIndepMin = true;
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vstd::amin(sources[vstd::to_underlying(b->source)].indepMin, b->val);
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break;
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}
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}
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for(const auto & src : sources)
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{
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any.base += percent(src.base, src.percentToSource);
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any.percentToBase += percent(src.percentToBase, src.percentToSource);
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any.percentToAll += percent(src.percentToAll, src.percentToSource);
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any.additive += percent(src.additive, src.percentToSource);
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if(hasIndepMin)
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vstd::amin(any.indepMin, percent(src.indepMin, src.percentToSource));
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if(hasIndepMax)
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vstd::amax(any.indepMax, percent(src.indepMax, src.percentToSource));
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}
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any.base = percent(any.base, any.percentToBase);
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any.base += any.additive;
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auto valFirst = percent(any.base ,any.percentToAll);
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if(hasIndepMin && hasIndepMax && any.indepMin < any.indepMax)
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any.indepMax = any.indepMin;
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const int notIndepBonuses = static_cast<int>(std::count_if(bonuses.cbegin(), bonuses.cend(), [](const std::shared_ptr<Bonus>& b)
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{
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return b->valType != BonusValueType::INDEPENDENT_MAX && b->valType != BonusValueType::INDEPENDENT_MIN;
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}));
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if(notIndepBonuses)
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return std::clamp(valFirst, any.indepMax, any.indepMin);
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return hasIndepMin ? any.indepMin : hasIndepMax ? any.indepMax : 0;
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}
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std::shared_ptr<Bonus> BonusList::getFirst(const CSelector &select)
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{
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for (auto & b : bonuses)
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{
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if(select(b.get()))
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return b;
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}
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return nullptr;
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}
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std::shared_ptr<const Bonus> BonusList::getFirst(const CSelector &selector) const
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{
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for(const auto & b : bonuses)
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{
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if(selector(b.get()))
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return b;
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}
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return nullptr;
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}
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void BonusList::getBonuses(BonusList & out, const CSelector &selector, const CSelector &limit) const
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{
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out.reserve(bonuses.size());
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for(const auto & b : bonuses)
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{
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//add matching bonuses that matches limit predicate or have NO_LIMIT if no given predicate
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auto noFightLimit = b->effectRange == BonusLimitEffect::NO_LIMIT;
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if(selector(b.get()) && ((!limit && noFightLimit) || ((bool)limit && limit(b.get()))))
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out.push_back(b);
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}
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}
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void BonusList::getAllBonuses(BonusList &out) const
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{
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for(const auto & b : bonuses)
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out.push_back(b);
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}
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int BonusList::valOfBonuses(const CSelector &select) const
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{
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BonusList ret;
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CSelector limit = nullptr;
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getBonuses(ret, select, limit);
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return ret.totalValue();
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}
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JsonNode BonusList::toJsonNode() const
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{
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JsonNode node(JsonNode::JsonType::DATA_VECTOR);
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for(const std::shared_ptr<Bonus> & b : bonuses)
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node.Vector().push_back(b->toJsonNode());
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return node;
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}
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void BonusList::push_back(const std::shared_ptr<Bonus> & x)
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{
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bonuses.push_back(x);
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changed();
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}
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BonusList::TInternalContainer::iterator BonusList::erase(const int position)
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{
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changed();
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return bonuses.erase(bonuses.begin() + position);
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}
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void BonusList::clear()
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{
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bonuses.clear();
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changed();
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}
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std::vector<BonusList *>::size_type BonusList::operator-=(const std::shared_ptr<Bonus> & i)
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{
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auto itr = std::find(bonuses.begin(), bonuses.end(), i);
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if(itr == bonuses.end())
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return false;
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bonuses.erase(itr);
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changed();
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return true;
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}
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void BonusList::resize(BonusList::TInternalContainer::size_type sz, const std::shared_ptr<Bonus> & c)
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{
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bonuses.resize(sz, c);
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changed();
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}
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void BonusList::reserve(TInternalContainer::size_type sz)
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{
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bonuses.reserve(sz);
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}
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void BonusList::insert(BonusList::TInternalContainer::iterator position, BonusList::TInternalContainer::size_type n, const std::shared_ptr<Bonus> & x)
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{
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bonuses.insert(position, n, x);
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changed();
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}
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DLL_LINKAGE std::ostream & operator<<(std::ostream &out, const BonusList &bonusList)
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{
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for (ui32 i = 0; i < bonusList.size(); i++)
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{
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const auto & b = bonusList[i];
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out << "Bonus " << i << "\n" << *b << std::endl;
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}
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return out;
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}
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VCMI_LIB_NAMESPACE_END
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