/// @return ID of resulting item, or empty if none
inline std::string getLevelledItem (const ESM::LevelledListBase* levItem, bool creature, unsigned char failChance=0)
{
const std::vector<ESM::LevelledListBase::LevelItem>& items = levItem->mList;
const MWWorld::Ptr& player = getPlayer();
int playerLevel = player.getClass().getCreatureStats(player).getLevel();
failChance += levItem->mChanceNone;
if (Misc::Rng::roll0to99() < failChance)
return std::string();
std::vector<std::string> candidates;
int highestLevel = 0;
for (std::vector<ESM::LevelledListBase::LevelItem>::const_iterator it = items.begin(); it != items.end(); ++it)
{
if (it->mLevel > highestLevel && it->mLevel <= playerLevel)
highestLevel = it->mLevel;
}
// For levelled creatures, the flags are swapped. This file format just makes so much sense.
bool allLevels = (levItem->mFlags & ESM::ItemLevList::AllLevels) != 0;
if (creature)
allLevels = levItem->mFlags & ESM::CreatureLevList::AllLevels;
std::pair<int, std::string> highest = std::make_pair(-1, "");
for (std::vector<ESM::LevelledListBase::LevelItem>::const_iterator it = items.begin(); it != items.end(); ++it)
{
if (playerLevel >= it->mLevel
&& (allLevels || it->mLevel == highestLevel))
{
candidates.push_back(it->mId);
if (it->mLevel >= highest.first)
highest = std::make_pair(it->mLevel, it->mId);
}
}
if (candidates.empty())
return std::string();
std::string item = candidates[Misc::Rng::rollDice(candidates.size())];
// Vanilla doesn't fail on nonexistent items in levelled lists
if (!MWBase::Environment::get().getWorld()->getStore().find(Misc::StringUtils::lowerCase(item)))
{
std::cerr << "Warning: ignoring nonexistent item '" << item << "' in levelled list '" << levItem->mId << "'" << std::endl;
return std::string();
}
// Is this another levelled item or a real item?
MWWorld::ManualRef ref (MWBase::Environment::get().getWorld()->getStore(), item, 1);
if (ref.getPtr().getTypeName() != typeid(ESM::ItemLevList).name()
&& ref.getPtr().getTypeName() != typeid(ESM::CreatureLevList).name())
{
return item;
}
else
{
if (ref.getPtr().getTypeName() == typeid(ESM::ItemLevList).name())
return getLevelledItem(ref.getPtr().get<ESM::ItemLevList>()->mBase, false, failChance);
else
return getLevelledItem(ref.getPtr().get<ESM::CreatureLevList>()->mBase, true, failChance);
}
}
/// @return ID of resulting item, or empty if none
inline std::string getLevelledItem (const ESM::LeveledListBase* levItem, bool creature, unsigned char failChance=0)
{
const std::vector<ESM::LeveledListBase::LevelItem>& items = levItem->mList;
const MWWorld::Ptr& player = MWBase::Environment::get().getWorld()->getPlayerPtr();
int playerLevel = player.getClass().getCreatureStats(player).getLevel();
failChance += levItem->mChanceNone;
int random = std::rand()/ (static_cast<double> (RAND_MAX) + 1) * 100; // [0, 99]
if (random < failChance)
return std::string();
std::vector<std::string> candidates;
int highestLevel = 0;
for (std::vector<ESM::LeveledListBase::LevelItem>::const_iterator it = items.begin(); it != items.end(); ++it)
{
if (it->mLevel > highestLevel && it->mLevel <= playerLevel)
highestLevel = it->mLevel;
}
// For levelled creatures, the flags are swapped. This file format just makes so much sense.
bool allLevels = levItem->mFlags & ESM::ItemLevList::AllLevels;
if (creature)
allLevels = levItem->mFlags & ESM::CreatureLevList::AllLevels;
std::pair<int, std::string> highest = std::make_pair(-1, "");
for (std::vector<ESM::LeveledListBase::LevelItem>::const_iterator it = items.begin(); it != items.end(); ++it)
{
if (playerLevel >= it->mLevel
&& (allLevels || it->mLevel == highestLevel))
{
candidates.push_back(it->mId);
if (it->mLevel >= highest.first)
highest = std::make_pair(it->mLevel, it->mId);
}
}
if (candidates.empty())
return std::string();
std::string item = candidates[std::rand()%candidates.size()];
// Is this another levelled item or a real item?
try
{
MWWorld::ManualRef ref (MWBase::Environment::get().getWorld()->getStore(), item, 1);
if (ref.getPtr().getTypeName() != typeid(ESM::ItemLevList).name()
&& ref.getPtr().getTypeName() != typeid(ESM::CreatureLevList).name())
{
return item;
}
else
{
if (ref.getPtr().getTypeName() == typeid(ESM::ItemLevList).name())
return getLevelledItem(ref.getPtr().get<ESM::ItemLevList>()->mBase, failChance);
else
return getLevelledItem(ref.getPtr().get<ESM::CreatureLevList>()->mBase, failChance);
}
}
catch (std::logic_error& e)
{
// Vanilla doesn't fail on nonexistent items in levelled lists
std::cerr << "Warning: ignoring nonexistent item '" << item << "'" << std::endl;
return std::string();
}
}
