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Issue #324: Added skill gain calculation function

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This commit is contained in:
Marc Zinnschlag 2012-07-06 21:07:04 +02:00
parent 10723a149b
commit 0f41cc499d
2 changed files with 79 additions and 0 deletions
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68
apps/openmw/mwmechanics/npcstats.cpp
View file

@ -3,6 +3,15 @@
#include <stdexcept>
#include <components/esm/loadskil.hpp>
#include <components/esm/loadclas.hpp>
#include <components/esm/loadgmst.hpp>
#include <components/esm_store/store.hpp>
#include "../mwbase/environment.hpp"
#include "../mwbase/world.hpp"
MWMechanics::NpcStats::NpcStats()
: mMovementFlags (0), mDrawState (DrawState_Nothing)
{}
@ -55,3 +64,62 @@ const std::map<std::string, int>& MWMechanics::NpcStats::getFactionRanks() const
{
return mFactionRank;
}
float MWMechanics::NpcStats::getSkillGain (int skillIndex, const ESM::Class& class_, int usageType,
int level) const
{
if (level<0)
level = static_cast<int> (getSkill (skillIndex).getBase());
const ESM::Skill *skill = MWBase::Environment::get().getWorld()->getStore().skills.find (skillIndex);
float skillFactor = 1;
if (usageType>=4)
throw std::runtime_error ("skill usage type out of range");
if (usageType>0)
{
skillFactor = skill->data.useValue[usageType];
if (skillFactor<=0)
throw std::runtime_error ("invalid skill gain factor");
}
float typeFactor =
MWBase::Environment::get().getWorld()->getStore().gameSettings.find ("fMiscSkillBonus")->f;
for (int i=0; i<5; ++i)
if (class_.data.skills[i][0]==skillIndex)
{
typeFactor =
MWBase::Environment::get().getWorld()->getStore().gameSettings.find ("fMinorSkillBonus")->f;
break;
}
for (int i=0; i<5; ++i)
if (class_.data.skills[i][1]==skillIndex)
{
typeFactor =
MWBase::Environment::get().getWorld()->getStore().gameSettings.find ("fMajorSkillBonus")->f;
break;
}
if (typeFactor<=0)
throw std::runtime_error ("invalid skill type factor");
float specialisationFactor = 1;
if (skill->data.specialization==class_.data.specialization)
{
specialisationFactor =
MWBase::Environment::get().getWorld()->getStore().gameSettings.find ("fSpecialSkillBonus")->f;
if (specialisationFactor<=0)
throw std::runtime_error ("invalid skill specialisation factor");
}
return 1.0 / (level +1) * (1.0 / skillFactor) * typeFactor * specialisationFactor;
}

11
apps/openmw/mwmechanics/npcstats.hpp
View file

@ -8,6 +8,11 @@
#include "stat.hpp"
#include "drawstate.hpp"
namespace ESM
{
struct Class;
}
namespace MWMechanics
{
/// \brief Additional stats for NPCs
@ -59,6 +64,12 @@ namespace MWMechanics
std::map<std::string, int>& getFactionRanks();
const std::map<std::string, int>& getFactionRanks() const;
float getSkillGain (int skillIndex, const ESM::Class& class_, int usageType = -1,
int level = -1) const;
///< \param usageType: Usage specific factor, specified in the respective skill record;
/// -1: use a factor of 1.0 instead.
/// \param level Level to base calculation on; -1: use current level.
};
}