Engine-simulator/CoolingSystem.cpp at master · TheManiacCode/Engine-simulator · GitHub

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#include"CoolingSystem.h"
#include<algorithm>

CoolingSystem::CoolingSystem(CoolantFluidType type)
 : coolantTemp_(90.0), oilTemp_(95.0), exhaustTemp_(260.0), coolantType_(type)
{
}

voidCoolingSystem::update(double dt, double engineLoad, double ambientTemp, double turboTemp)
{
double coolantDissipation = 3.0;
double coolantMax = 130.0;
double oilCoolingRate = 0.4;
double exhaustCoolingRate = 0.3;

switch (coolantType_) {
case CoolantFluidType::Standard:
 coolantDissipation = 3.0;
 coolantMax = 130.0;
 oilCoolingRate = 0.4;
 exhaustCoolingRate = 0.3;
break;
case CoolantFluidType::HighPerformance:
 coolantDissipation = 3.5;
 coolantMax = 125.0;
 oilCoolingRate = 0.45;
 exhaustCoolingRate = 0.35;
break;
case CoolantFluidType::Racing:
 coolantDissipation = 4.0;
 coolantMax = 120.0;
 oilCoolingRate = 0.5;
 exhaustCoolingRate = 0.4;
break;
case CoolantFluidType::ExtremePerformance:
 coolantDissipation = 4.5;
 coolantMax = 115.0;
 oilCoolingRate = 0.55;
 exhaustCoolingRate = 0.45;
break;
case CoolantFluidType::LiquidNitrogen:
 coolantDissipation = 6.0;
 coolantMax = 90.0;
 oilCoolingRate = 0.75;
 exhaustCoolingRate = 0.7;
break;
 }

double heatInput = 15.0 * engineLoad + 0.05 * turboTemp;
 coolantTemp_ += (heatInput - (coolantTemp_ - ambientTemp) * coolantDissipation) * dt;
 coolantTemp_ = std::clamp(coolantTemp_, ambientTemp, coolantMax);

 coolantFlow_ = 1.0 + (coolantTemp_ - 90.0) * 0.02;

 oilTemp_ += ((coolantTemp_ + 15.0) - oilTemp_) * dt * oilCoolingRate;
 oilTemp_ = std::clamp(oilTemp_, ambientTemp, 150.0);

 exhaustTemp_ += ((220.0 + engineLoad * 250.0) - exhaustTemp_) * dt * exhaustCoolingRate;
 exhaustTemp_ = std::clamp(exhaustTemp_, 100.0, 820.0);
}

doubleCoolingSystem::coolantTemp() const
{
return coolantTemp_;
}

doubleCoolingSystem::oilTemp() const
{
return oilTemp_;
}

doubleCoolingSystem::coolantPressure() const
{
return coolantFlow_;
}
doubleCoolingSystem::exhaustTemp() const
{
return exhaustTemp_;
}

CoolantFluidType CoolingSystem::coolantFluidType() const
{
return coolantType_;
}

voidCoolingSystem::setCoolantFluidType(CoolantFluidType type)
{
 coolantType_ = type;
}