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update rng to RandGenerator

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This commit is contained in:
collett 2023-03-14 18:22:41 +09:00
parent 5fb62b75ec
commit 123dad2e23
2 changed files with 20 additions and 13 deletions
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25
src/world/Math/CalcStats.cpp
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@ -85,9 +85,7 @@ const int levelTable[61][6] =
{ 218, 354, 858, 2600, 282, 215 }, { 218, 354, 858, 2600, 282, 215 },
}; };
std::random_device CalcStats::dev; std::unique_ptr< RandGenerator< float > > CalcStats::rnd = nullptr;
std::mt19937 CalcStats::rng( dev() );
std::uniform_int_distribution< std::mt19937::result_type > CalcStats::range100( 0, 99 );
/* /*
Class used for battle-related formulas and calculations. Class used for battle-related formulas and calculations.
@ -570,13 +568,13 @@ std::pair< float, Sapphire::Common::ActionHitSeverityType > CalcStats::calcAutoA
factor = std::floor( factor * speed( chara ) ); factor = std::floor( factor * speed( chara ) );
if( criticalHitProbability( chara ) > range100( rng ) ) if( criticalHitProbability( chara ) > getRandomNumber0To100() )
{ {
factor *= criticalHitBonus( chara ); factor *= criticalHitBonus( chara );
hitType = Sapphire::Common::ActionHitSeverityType::CritDamage; hitType = Sapphire::Common::ActionHitSeverityType::CritDamage;
} }
factor *= 1.0f + ( ( range100( rng ) - 50.0f ) / 1000.0f ); factor *= 1.0f + ( ( getRandomNumber0To100() - 50.0f ) / 1000.0f );
// todo: buffs // todo: buffs
@ -607,13 +605,13 @@ std::pair< float, Sapphire::Common::ActionHitSeverityType > CalcStats::calcActio
auto factor = Common::Util::trunc( pot * wd * ap * det, 0 ); auto factor = Common::Util::trunc( pot * wd * ap * det, 0 );
Sapphire::Common::ActionHitSeverityType hitType = Sapphire::Common::ActionHitSeverityType::NormalDamage; Sapphire::Common::ActionHitSeverityType hitType = Sapphire::Common::ActionHitSeverityType::NormalDamage;
if( criticalHitProbability( chara ) > range100( rng ) ) if( criticalHitProbability( chara ) > getRandomNumber0To100() )
{ {
factor *= criticalHitBonus( chara ); factor *= criticalHitBonus( chara );
hitType = Sapphire::Common::ActionHitSeverityType::CritDamage; hitType = Sapphire::Common::ActionHitSeverityType::CritDamage;
} }
factor *= 1.0f + ( ( range100( rng ) - 50.0f ) / 1000.0f ); factor *= 1.0f + ( ( getRandomNumber0To100() - 50.0f ) / 1000.0f );
// todo: buffs // todo: buffs
@ -640,13 +638,13 @@ std::pair< float, Sapphire::Common::ActionHitSeverityType > CalcStats::calcActio
auto factor = std::floor( ( wepDmg * ( mnd / 200 ) + ( det / 10 ) ) * ( ptc / 100 ) * 1.3f ); auto factor = std::floor( ( wepDmg * ( mnd / 200 ) + ( det / 10 ) ) * ( ptc / 100 ) * 1.3f );
Sapphire::Common::ActionHitSeverityType hitType = Sapphire::Common::ActionHitSeverityType::NormalHeal; Sapphire::Common::ActionHitSeverityType hitType = Sapphire::Common::ActionHitSeverityType::NormalHeal;
if( criticalHitProbability( chara ) > range100( rng ) ) if( criticalHitProbability( chara ) > getRandomNumber0To100() )
{ {
factor *= criticalHitBonus( chara ); factor *= criticalHitBonus( chara );
hitType = Sapphire::Common::ActionHitSeverityType::CritHeal; hitType = Sapphire::Common::ActionHitSeverityType::CritHeal;
} }
factor *= 1.0f + ( ( range100( rng ) - 50.0f ) / 1000.0f ); factor *= 1.0f + ( ( getRandomNumber0To100() - 50.0f ) / 1000.0f );
return std::pair( factor, hitType ); return std::pair( factor, hitType );
} }
@ -654,4 +652,13 @@ std::pair< float, Sapphire::Common::ActionHitSeverityType > CalcStats::calcActio
uint32_t CalcStats::primaryStatValue( const Sapphire::Entity::Chara& chara ) uint32_t CalcStats::primaryStatValue( const Sapphire::Entity::Chara& chara )
{ {
return chara.getStatValue( chara.getPrimaryStat() ); return chara.getStatValue( chara.getPrimaryStat() );
}
float CalcStats::getRandomNumber0To100()
{
if( !rnd )
{
rnd = std::make_unique< RandGenerator< float > >( Common::Service< RNGMgr >::ref().getRandGenerator< float >( 0, 100 ) );
}
return rnd->next();
} }

8
src/world/Math/CalcStats.h
View file

@ -1,11 +1,12 @@
#pragma once #pragma once
#include <random>
#include <Common.h> #include <Common.h>
#include "Forwards.h" #include "Forwards.h"
#include "Manager/RNGMgr.h"
namespace Sapphire::Math namespace Sapphire::Math
{ {
using namespace Sapphire::World::Manager;
class CalcStats class CalcStats
{ {
@ -151,9 +152,8 @@ namespace Sapphire::Math
*/ */
static float calcAttackPower( const Sapphire::Entity::Chara& chara, uint32_t attackPower ); static float calcAttackPower( const Sapphire::Entity::Chara& chara, uint32_t attackPower );
static std::random_device dev; static float getRandomNumber0To100();
static std::mt19937 rng; static std::unique_ptr< RandGenerator< float > > rnd;
static std::uniform_int_distribution< std::mt19937::result_type > range100;
}; };
} }