public void updateIspEngineParams(double athmosphere_isp_efficiency = 1, double max_thrust_in_space = 0)
{
// recaculate ISP based on power and core temp available
FloatCurve newISP = new FloatCurve();
FloatCurve vCurve = new FloatCurve();
maxISP = (float)(Math.Sqrt((double)myAttachedReactor.CoreTemperature) * (PluginHelper.IspCoreTempMult + IspTempMultOffset) * GetIspPropellantModifier());
if (!currentpropellant_is_jet)
{
if (maxPressureTresholdAtKerbinSurface <= max_thrust_in_space && FlightGlobals.getStaticPressure(vessel.transform.position) <= 1)
{
var min_engine_thrust = Math.Max(max_thrust_in_space - maxPressureTresholdAtKerbinSurface, 0.00001);
var minThrustAtmosphereRatio = min_engine_thrust / Math.Max(max_thrust_in_space, 0.000001);
minISP = maxISP * (float)minThrustAtmosphereRatio * heatExchangerThrustDivisor;
newISP.Add(0, Mathf.Min(maxISP, PluginHelper.MaxThermalNozzleIsp), 0, 0);
newISP.Add(1, Mathf.Min(minISP, PluginHelper.MaxThermalNozzleIsp), 0, 0);
}
else
{
newISP.Add(0, Mathf.Min(maxISP * (float)athmosphere_isp_efficiency, PluginHelper.MaxThermalNozzleIsp), 0, 0);
}
myAttachedEngine.useVelocityCurve = false;
myAttachedEngine.useEngineResponseTime = false;
}
else
{
if (myAttachedReactor.shouldScaleDownJetISP())
{
maxISP = maxISP * 2.0f / 3.0f;
if (maxISP > 300)
{
maxISP = maxISP / 2.5f;
}
}
newISP.Add(0, Mathf.Min(maxISP * 4.0f / 5.0f, PluginHelper.MaxThermalNozzleIsp));
newISP.Add(0.15f, Mathf.Min(maxISP, PluginHelper.MaxThermalNozzleIsp));
newISP.Add(0.3f, Mathf.Min(maxISP * 4.0f / 5.0f, PluginHelper.MaxThermalNozzleIsp));
newISP.Add(1, Mathf.Min(maxISP * 2.0f / 3.0f, PluginHelper.MaxThermalNozzleIsp));
vCurve.Add(0, 1.0f);
vCurve.Add((float)(maxISP * PluginHelper.GravityConstant * 1.0 / 3.0), 1.0f);
vCurve.Add((float)(maxISP * PluginHelper.GravityConstant), 1.0f);
vCurve.Add((float)(maxISP * PluginHelper.GravityConstant * 4.0 / 3.0), 0);
myAttachedEngine.useVelocityCurve = true;
myAttachedEngine.useEngineResponseTime = true;
myAttachedEngine.ignitionThreshold = 0.01f;
}
myAttachedEngine.atmosphereCurve = newISP;
myAttachedEngine.velocityCurve = vCurve;
assThermalPower = myAttachedReactor.MaximumPower;
if (myAttachedReactor is InterstellarFusionReactor)
{
assThermalPower = assThermalPower * 0.95f;
}
}
public void updateIspEngineParams()
{
// recaculate ISP based on power and core temp available
FloatCurve newISP = new FloatCurve();
FloatCurve vCurve = new FloatCurve();
maxISP = (float)(Math.Sqrt((double)myAttachedReactor.CoreTemperature) * isp_temp_rat * ispMultiplier);
if (!currentpropellant_is_jet)
{
minISP = maxISP * 0.4f;
newISP.Add(0, Mathf.Min(maxISP, 2997.13f), 0, 0);
newISP.Add(1, Mathf.Min(minISP, 2997.13f), 0, 0);
myAttachedEngine.useVelocityCurve = false;
myAttachedEngine.useEngineResponseTime = false;
}
else
{
if (myAttachedReactor.shouldScaleDownJetISP())
{
maxISP = maxISP * 2.0f / 3.0f;
if (maxISP > 300)
{
maxISP = maxISP / 2.5f;
}
}
newISP.Add(0, Mathf.Min(maxISP * 4.0f / 5.0f, 2997.13f));
newISP.Add(0.15f, Mathf.Min(maxISP, 2997.13f));
newISP.Add(0.3f, Mathf.Min(maxISP * 4.0f / 5.0f, 2997.13f));
newISP.Add(1, Mathf.Min(maxISP * 2.0f / 3.0f, 2997.13f));
vCurve.Add(0, 1.0f);
vCurve.Add((float)(maxISP * g0 * 1.0 / 3.0), 1.0f);
vCurve.Add((float)(maxISP * g0), 1.0f);
vCurve.Add((float)(maxISP * g0 * 4.0 / 3.0), 0);
myAttachedEngine.useVelocityCurve = true;
myAttachedEngine.useEngineResponseTime = true;
myAttachedEngine.ignitionThreshold = 0.01f;
}
myAttachedEngine.atmosphereCurve = newISP;
myAttachedEngine.velocityCurve = vCurve;
assThermalPower = myAttachedReactor.MaximumPower;
if (myAttachedReactor is InterstellarFusionReactor)
{
assThermalPower = assThermalPower * 0.95f;
}
}