mirror of
https://github.com/TES3MP/openmw-tes3mp.git
synced 2025-11-04 06:26:42 +00:00
494 lines
14 KiB
C++
494 lines
14 KiB
C++
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#include "alchemy.hpp"
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#include <cassert>
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#include <cstdlib>
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#include <algorithm>
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#include <stdexcept>
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#include <map>
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#include <components/esm/loadskil.hpp>
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#include <components/esm/loadappa.hpp>
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#include <components/esm/loadgmst.hpp>
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#include <components/esm/loadmgef.hpp>
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#include "../mwbase/environment.hpp"
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#include "../mwbase/world.hpp"
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#include "../mwworld/esmstore.hpp"
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#include "../mwworld/containerstore.hpp"
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#include "../mwworld/class.hpp"
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#include "../mwworld/cellstore.hpp"
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#include "../mwworld/manualref.hpp"
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#include "magiceffects.hpp"
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#include "creaturestats.hpp"
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#include "npcstats.hpp"
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MWMechanics::Alchemy::Alchemy()
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: mValue(0)
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{
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}
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std::set<MWMechanics::EffectKey> MWMechanics::Alchemy::listEffects() const
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{
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std::map<EffectKey, int> effects;
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for (TIngredientsIterator iter (mIngredients.begin()); iter!=mIngredients.end(); ++iter)
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{
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if (!iter->isEmpty())
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{
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const MWWorld::LiveCellRef<ESM::Ingredient> *ingredient = iter->get<ESM::Ingredient>();
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for (int i=0; i<4; ++i)
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if (ingredient->mBase->mData.mEffectID[i]!=-1)
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{
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EffectKey key (
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ingredient->mBase->mData.mEffectID[i], ingredient->mBase->mData.mSkills[i]!=-1 ?
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ingredient->mBase->mData.mSkills[i] : ingredient->mBase->mData.mAttributes[i]);
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++effects[key];
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}
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}
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}
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std::set<EffectKey> effects2;
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for (std::map<EffectKey, int>::const_iterator iter (effects.begin()); iter!=effects.end(); ++iter)
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if (iter->second>1)
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effects2.insert (iter->first);
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return effects2;
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}
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void MWMechanics::Alchemy::applyTools (int flags, float& value) const
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{
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bool magnitude = !(flags & ESM::MagicEffect::NoMagnitude);
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bool duration = !(flags & ESM::MagicEffect::NoDuration);
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bool negative = flags & (ESM::MagicEffect::Harmful);
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int tool = negative ? ESM::Apparatus::Retort : ESM::Apparatus::Albemic;
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int setup = 0;
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if (!mTools[tool].isEmpty() && !mTools[ESM::Apparatus::Calcinator].isEmpty())
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setup = 1;
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else if (!mTools[tool].isEmpty())
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setup = 2;
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else if (!mTools[ESM::Apparatus::Calcinator].isEmpty())
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setup = 3;
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else
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return;
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float toolQuality = setup==1 || setup==2 ? mTools[tool].get<ESM::Apparatus>()->mBase->mData.mQuality : 0;
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float calcinatorQuality = setup==1 || setup==3 ?
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mTools[ESM::Apparatus::Calcinator].get<ESM::Apparatus>()->mBase->mData.mQuality : 0;
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float quality = 1;
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switch (setup)
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{
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case 1:
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quality = negative ? 2 * toolQuality + 3 * calcinatorQuality :
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(magnitude && duration ?
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2 * toolQuality + calcinatorQuality : 2/3.0 * (toolQuality + calcinatorQuality) + 0.5);
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break;
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case 2:
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quality = negative ? 1+toolQuality : (magnitude && duration ? toolQuality : toolQuality + 0.5);
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break;
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case 3:
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quality = magnitude && duration ? calcinatorQuality : calcinatorQuality + 0.5;
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break;
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}
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if (setup==3 || !negative)
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{
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value += quality;
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}
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else
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{
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if (quality==0)
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throw std::runtime_error ("invalid derived alchemy apparatus quality");
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value /= quality;
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}
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}
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void MWMechanics::Alchemy::updateEffects()
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{
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mEffects.clear();
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mValue = 0;
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if (countIngredients()<2 || mAlchemist.isEmpty() || mTools[ESM::Apparatus::MortarPestle].isEmpty())
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return;
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// find effects
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std::set<EffectKey> effects (listEffects());
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// general alchemy factor
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float x = getAlchemyFactor();
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x *= mTools[ESM::Apparatus::MortarPestle].get<ESM::Apparatus>()->mBase->mData.mQuality;
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x *= MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fPotionStrengthMult")->getFloat();
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// value
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mValue = static_cast<int> (
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x * MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("iAlchemyMod")->getFloat());
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// build quantified effect list
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for (std::set<EffectKey>::const_iterator iter (effects.begin()); iter!=effects.end(); ++iter)
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{
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const ESM::MagicEffect *magicEffect =
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MWBase::Environment::get().getWorld()->getStore().get<ESM::MagicEffect>().find (iter->mId);
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if (magicEffect->mData.mBaseCost<=0)
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{
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std::ostringstream os;
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os << "invalid base cost for magic effect " << iter->mId;
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throw std::runtime_error (os.str());
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}
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float fPotionT1MagMul =
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MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fPotionT1MagMult")->getFloat();
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if (fPotionT1MagMul<=0)
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throw std::runtime_error ("invalid gmst: fPotionT1MagMul");
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float fPotionT1DurMult =
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MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fPotionT1DurMult")->getFloat();
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if (fPotionT1DurMult<=0)
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throw std::runtime_error ("invalid gmst: fPotionT1DurMult");
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float magnitude = magicEffect->mData.mFlags & ESM::MagicEffect::NoMagnitude ?
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1 : (x / fPotionT1MagMul) / magicEffect->mData.mBaseCost;
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float duration = magicEffect->mData.mFlags & ESM::MagicEffect::NoDuration ?
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1 : (x / fPotionT1DurMult) / magicEffect->mData.mBaseCost;
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if (!(magicEffect->mData.mFlags & ESM::MagicEffect::NoMagnitude))
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applyTools (magicEffect->mData.mFlags, magnitude);
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if (!(magicEffect->mData.mFlags & ESM::MagicEffect::NoDuration))
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applyTools (magicEffect->mData.mFlags, duration);
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duration = static_cast<int> (duration+0.5);
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magnitude = static_cast<int> (magnitude+0.5);
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if (magnitude>0 && duration>0)
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{
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ESM::ENAMstruct effect;
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effect.mEffectID = iter->mId;
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effect.mAttribute = -1;
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effect.mSkill = -1;
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if (magicEffect->mData.mFlags & ESM::MagicEffect::TargetSkill)
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effect.mSkill = iter->mArg;
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else if (magicEffect->mData.mFlags & ESM::MagicEffect::TargetAttribute)
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effect.mAttribute = iter->mArg;
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effect.mRange = 0;
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effect.mArea = 0;
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effect.mDuration = duration;
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effect.mMagnMin = effect.mMagnMax = magnitude;
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mEffects.push_back (effect);
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}
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}
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}
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const ESM::Potion *MWMechanics::Alchemy::getRecord(const ESM::Potion& toFind) const
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{
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const MWWorld::Store<ESM::Potion> &potions =
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MWBase::Environment::get().getWorld()->getStore().get<ESM::Potion>();
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MWWorld::Store<ESM::Potion>::iterator iter = potions.begin();
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for (; iter != potions.end(); ++iter)
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{
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if (iter->mEffects.mList.size() != mEffects.size())
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continue;
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if (iter->mName != toFind.mName
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|| iter->mScript != toFind.mScript
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|| iter->mData.mWeight != toFind.mData.mWeight
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|| iter->mData.mValue != toFind.mData.mValue
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|| iter->mData.mAutoCalc != toFind.mData.mAutoCalc)
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continue;
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// Don't choose an ID that came from the content files, would have unintended side effects
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// where alchemy can be used to produce quest-relevant items
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if (!potions.isDynamic(iter->mId))
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continue;
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bool mismatch = false;
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for (int i=0; i<static_cast<int> (iter->mEffects.mList.size()); ++i)
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{
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const ESM::ENAMstruct& first = iter->mEffects.mList[i];
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const ESM::ENAMstruct& second = mEffects[i];
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if (first.mEffectID!=second.mEffectID ||
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first.mArea!=second.mArea ||
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first.mRange!=second.mRange ||
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first.mSkill!=second.mSkill ||
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first.mAttribute!=second.mAttribute ||
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first.mMagnMin!=second.mMagnMin ||
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first.mMagnMax!=second.mMagnMax ||
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first.mDuration!=second.mDuration)
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{
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mismatch = true;
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break;
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}
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}
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if (!mismatch)
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return &(*iter);
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}
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return 0;
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}
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void MWMechanics::Alchemy::removeIngredients()
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{
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bool needsUpdate = false;
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for (TIngredientsContainer::iterator iter (mIngredients.begin()); iter!=mIngredients.end(); ++iter)
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if (!iter->isEmpty())
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{
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iter->getContainerStore()->remove(*iter, 1, mAlchemist);
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if (iter->getRefData().getCount()<1)
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{
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needsUpdate = true;
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*iter = MWWorld::Ptr();
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}
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}
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if (needsUpdate)
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updateEffects();
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}
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void MWMechanics::Alchemy::addPotion (const std::string& name)
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{
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ESM::Potion newRecord;
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newRecord.mData.mWeight = 0;
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for (TIngredientsIterator iter (beginIngredients()); iter!=endIngredients(); ++iter)
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if (!iter->isEmpty())
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newRecord.mData.mWeight += iter->get<ESM::Ingredient>()->mBase->mData.mWeight;
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if (countIngredients() > 0)
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newRecord.mData.mWeight /= countIngredients();
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newRecord.mData.mValue = mValue;
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newRecord.mData.mAutoCalc = 0;
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newRecord.mName = name;
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int index = static_cast<int> (std::rand()/(static_cast<double> (RAND_MAX)+1)*6);
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assert (index>=0 && index<6);
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static const char *meshes[] = { "standard", "bargain", "cheap", "fresh", "exclusive", "quality" };
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newRecord.mModel = "m\\misc_potion_" + std::string (meshes[index]) + "_01.nif";
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newRecord.mIcon = "m\\tx_potion_" + std::string (meshes[index]) + "_01.dds";
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newRecord.mEffects.mList = mEffects;
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const ESM::Potion* record = getRecord(newRecord);
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if (!record)
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record = MWBase::Environment::get().getWorld()->createRecord (newRecord);
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mAlchemist.getClass().getContainerStore (mAlchemist).add (record->mId, 1, mAlchemist);
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}
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void MWMechanics::Alchemy::increaseSkill()
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{
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mAlchemist.getClass().skillUsageSucceeded (mAlchemist, ESM::Skill::Alchemy, 0);
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}
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float MWMechanics::Alchemy::getAlchemyFactor() const
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{
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const CreatureStats& creatureStats = mAlchemist.getClass().getCreatureStats (mAlchemist);
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const NpcStats& npcStats = mAlchemist.getClass().getNpcStats (mAlchemist);
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return
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(npcStats.getSkill (ESM::Skill::Alchemy).getModified() +
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0.1 * creatureStats.getAttribute (ESM::Attribute::Intelligence).getModified()
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+ 0.1 * creatureStats.getAttribute (ESM::Attribute::Luck).getModified());
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}
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int MWMechanics::Alchemy::countIngredients() const
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{
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int ingredients = 0;
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for (TIngredientsIterator iter (beginIngredients()); iter!=endIngredients(); ++iter)
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if (!iter->isEmpty())
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++ingredients;
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return ingredients;
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}
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void MWMechanics::Alchemy::setAlchemist (const MWWorld::Ptr& npc)
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{
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mAlchemist = npc;
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mIngredients.resize (4);
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std::fill (mIngredients.begin(), mIngredients.end(), MWWorld::Ptr());
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mTools.resize (4);
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std::fill (mTools.begin(), mTools.end(), MWWorld::Ptr());
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mEffects.clear();
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MWWorld::ContainerStore& store = npc.getClass().getContainerStore (npc);
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for (MWWorld::ContainerStoreIterator iter (store.begin (MWWorld::ContainerStore::Type_Apparatus));
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iter!=store.end(); ++iter)
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{
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MWWorld::LiveCellRef<ESM::Apparatus>* ref = iter->get<ESM::Apparatus>();
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int type = ref->mBase->mData.mType;
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if (type<0 || type>=static_cast<int> (mTools.size()))
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throw std::runtime_error ("invalid apparatus type");
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if (!mTools[type].isEmpty())
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if (ref->mBase->mData.mQuality<=mTools[type].get<ESM::Apparatus>()->mBase->mData.mQuality)
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continue;
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mTools[type] = *iter;
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}
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}
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MWMechanics::Alchemy::TToolsIterator MWMechanics::Alchemy::beginTools() const
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{
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return mTools.begin();
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}
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MWMechanics::Alchemy::TToolsIterator MWMechanics::Alchemy::endTools() const
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{
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return mTools.end();
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}
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MWMechanics::Alchemy::TIngredientsIterator MWMechanics::Alchemy::beginIngredients() const
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{
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return mIngredients.begin();
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}
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MWMechanics::Alchemy::TIngredientsIterator MWMechanics::Alchemy::endIngredients() const
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{
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return mIngredients.end();
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}
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void MWMechanics::Alchemy::clear()
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{
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mAlchemist = MWWorld::Ptr();
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mTools.clear();
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mIngredients.clear();
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mEffects.clear();
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}
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int MWMechanics::Alchemy::addIngredient (const MWWorld::Ptr& ingredient)
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{
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// find a free slot
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int slot = -1;
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for (int i=0; i<static_cast<int> (mIngredients.size()); ++i)
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if (mIngredients[i].isEmpty())
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{
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slot = i;
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break;
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}
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if (slot==-1)
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return -1;
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for (TIngredientsIterator iter (mIngredients.begin()); iter!=mIngredients.end(); ++iter)
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if (!iter->isEmpty() && Misc::StringUtils::ciEqual(ingredient.getClass().getId(ingredient),
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iter->getClass().getId(*iter)))
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return -1;
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mIngredients[slot] = ingredient;
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updateEffects();
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return slot;
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}
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void MWMechanics::Alchemy::removeIngredient (int index)
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{
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if (index>=0 && index<static_cast<int> (mIngredients.size()))
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{
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mIngredients[index] = MWWorld::Ptr();
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updateEffects();
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}
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}
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MWMechanics::Alchemy::TEffectsIterator MWMechanics::Alchemy::beginEffects() const
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{
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return mEffects.begin();
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}
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MWMechanics::Alchemy::TEffectsIterator MWMechanics::Alchemy::endEffects() const
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{
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return mEffects.end();
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}
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MWMechanics::Alchemy::Result MWMechanics::Alchemy::create (const std::string& name)
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{
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if (mTools[ESM::Apparatus::MortarPestle].isEmpty())
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return Result_NoMortarAndPestle;
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if (countIngredients()<2)
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return Result_LessThanTwoIngredients;
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if (name.empty())
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return Result_NoName;
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if (listEffects().empty())
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return Result_NoEffects;
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if (beginEffects() == endEffects())
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{
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// all effects were nullified due to insufficient skill
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removeIngredients();
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return Result_RandomFailure;
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}
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if (getAlchemyFactor()<std::rand()/static_cast<double> (RAND_MAX)*100)
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{
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removeIngredients();
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return Result_RandomFailure;
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}
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addPotion (name);
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removeIngredients();
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increaseSkill();
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return Result_Success;
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}
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std::string MWMechanics::Alchemy::suggestPotionName()
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{
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std::set<MWMechanics::EffectKey> effects = listEffects();
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if (effects.empty())
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return "";
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int effectId = effects.begin()->mId;
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return MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find(
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ESM::MagicEffect::effectIdToString(effectId))->getString();
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}
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