mirror of
https://github.com/TES3MP/openmw-tes3mp.git
synced 2025-01-15 18:19:55 +00:00
78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
#ifndef OPENMW_MECHANICS_LEVELLEDLIST_H
|
|
#define OPENMW_MECHANICS_LEVELLEDLIST_H
|
|
|
|
#include "../mwworld/ptr.hpp"
|
|
#include "../mwworld/manualref.hpp"
|
|
#include "../mwworld/class.hpp"
|
|
#include "../mwbase/world.hpp"
|
|
#include "../mwbase/environment.hpp"
|
|
|
|
namespace MWMechanics
|
|
{
|
|
|
|
/// @return ID of resulting item, or empty if none
|
|
std::string getLevelledItem (const ESM::LeveledListBase* levItem, 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;
|
|
|
|
float random = static_cast<float> (std::rand()) / RAND_MAX;
|
|
if (random < failChance/100.f)
|
|
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)
|
|
highestLevel = it->mLevel;
|
|
}
|
|
|
|
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
|
|
&& (levItem->mFlags & ESM::LeveledListBase::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();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|