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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| using System; | ||
| using System.Linq; | ||
| using UnityEngine; | ||
| using FNPlugin.Extensions; | ||
|
|
||
| namespace FNPlugin | ||
| { | ||
| public class ModuleEnginesWarpVista : ModuleEngines | ||
| { | ||
| // GUI display values | ||
| [KSPField(isPersistant = true)] | ||
| bool IsForceActivated; | ||
|
|
||
| [KSPField(guiActive = true, guiName = "Warp Thrust")] | ||
| protected string Thrust = ""; | ||
| [KSPField(guiActive = true, guiName = "Warp Isp")] | ||
| protected string Isp = ""; | ||
| [KSPField(guiActive = true, guiName = "Warp Throttle")] | ||
| protected string Throttle = ""; | ||
|
|
||
| [KSPField(guiActive = true, guiName = "Mass Flow", guiFormat = "F8", guiUnits=" U")] | ||
| public float totalMassFlow; | ||
| [KSPField(guiActive = true, guiName = "Hydrogen Used", guiFormat = "F6")] | ||
| public float propellantUsed; | ||
| [KSPField(guiActive = true, guiName = "Deuterium Used", guiFormat = "F6")] | ||
| public float deuteriumUsed; | ||
| [KSPField(guiActive = true, guiName = "Tritium Used", guiFormat = "F6")] | ||
| public float tritiumUsed; | ||
|
|
||
| // Numeric display values | ||
| protected double thrust_d = 0; | ||
| protected double isp_d = 0; | ||
| protected double throttle_d = 0; | ||
|
|
||
| // Persistent values to use during timewarp | ||
| float IspPersistent = 0; | ||
| float ThrustPersistent = 0; | ||
| float ThrottlePersistent = 0; | ||
| float previousThrottle = 0; | ||
|
|
||
| // Are we transitioning from timewarp to reatime? | ||
| [KSPField] | ||
| bool warpToReal = false; | ||
|
|
||
| // Density of resource | ||
| float densityHydrogen; | ||
| float densityDeuterium; | ||
| float densityTritium; | ||
|
|
||
| Propellant hydrogenPropellant; | ||
| Propellant deuteriumPropellant; | ||
| Propellant tritiumPropellant; | ||
|
|
||
| // Update | ||
| public override void OnUpdate() | ||
| { | ||
| // When transitioning from timewarp to real update throttle | ||
| if (warpToReal) | ||
| { | ||
| vessel.ctrlState.mainThrottle = ThrottlePersistent; | ||
| warpToReal = false; | ||
| } | ||
|
|
||
| // Persistent thrust GUI | ||
| Fields["Thrust"].guiActive = isEnabled; | ||
| Fields["Isp"].guiActive = isEnabled; | ||
| Fields["Throttle"].guiActive = isEnabled; | ||
|
|
||
| // Update display values | ||
| Thrust = FormatThrust(thrust_d); | ||
| Isp = Math.Round(isp_d, 2).ToString() + " s"; | ||
| Throttle = Math.Round(throttle_d * 100).ToString() + "%"; | ||
|
|
||
| if (!IsForceActivated && isEnabled && isOperational) | ||
| { | ||
| IsForceActivated = true; | ||
| part.force_activate(); | ||
| } | ||
| } | ||
|
|
||
| // Initialization | ||
| public override void OnLoad(ConfigNode node) | ||
| { | ||
| // Run base OnLoad method | ||
| base.OnLoad(node); | ||
|
|
||
| // Initialize density of propellant used in deltaV and mass calculations | ||
| densityHydrogen = PartResourceLibrary.Instance.GetDefinition(InterstellarResourcesConfiguration.Instance.Hydrogen).density; | ||
| densityDeuterium = PartResourceLibrary.Instance.GetDefinition(InterstellarResourcesConfiguration.Instance.Deuterium).density; | ||
| densityTritium = PartResourceLibrary.Instance.GetDefinition(InterstellarResourcesConfiguration.Instance.Tritium).density; | ||
|
|
||
| hydrogenPropellant = this.propellants.FirstOrDefault(pr => pr.name == InterstellarResourcesConfiguration.Instance.Hydrogen); | ||
| deuteriumPropellant = this.propellants.FirstOrDefault(pr => pr.name == InterstellarResourcesConfiguration.Instance.Deuterium); | ||
| tritiumPropellant = this.propellants.FirstOrDefault(pr => pr.name == InterstellarResourcesConfiguration.Instance.Tritium); | ||
| } | ||
|
|
||
| // Physics update | ||
| public override void OnFixedUpdate() | ||
| { | ||
| if (FlightGlobals.fetch == null || !isEnabled) return; | ||
|
|
||
| totalMassFlow = this.requestedMassFlow; | ||
|
|
||
| // retreive ratios | ||
| var propellant_ratio = hydrogenPropellant.ratio; | ||
| var deuterium_ratio = deuteriumPropellant.ratio; | ||
| var tritium_ratio = tritiumPropellant.ratio; | ||
| var sumOfRatios = propellant_ratio + deuterium_ratio + tritium_ratio; | ||
|
|
||
| // Resource demand | ||
| float demandReqPropellant = ((propellant_ratio / sumOfRatios) * this.requestedMassFlow) / densityHydrogen; | ||
| float demandReqDeuterium = ((deuterium_ratio / sumOfRatios) * this.requestedMassFlow) / densityDeuterium; | ||
| float demandReqTritium = ((tritium_ratio / sumOfRatios) * this.requestedMassFlow) / densityTritium; | ||
|
|
||
| // Realtime mode | ||
| if (!this.vessel.packed) | ||
| { | ||
| // Resource demand | ||
| propellantUsed = demandReqPropellant; | ||
| deuteriumUsed = demandReqDeuterium; | ||
| tritiumUsed = demandReqTritium; | ||
|
|
||
| // if not transitioning from warp to real | ||
| // Update values to use during timewarp | ||
| if (!warpToReal) //&& vessel.ctrlState.mainThrottle == previousThrottle) | ||
| { | ||
| IspPersistent = realIsp; | ||
| ThrottlePersistent = vessel.ctrlState.mainThrottle; | ||
|
|
||
| this.CalculateThrust(); | ||
| // verify we have thrust | ||
| if ((vessel.ctrlState.mainThrottle > 0 && finalThrust > 0) || (vessel.ctrlState.mainThrottle == 0 && finalThrust == 0)) | ||
| ThrustPersistent = finalThrust; | ||
| } | ||
| } | ||
| else if (part.vessel.situation != Vessel.Situations.SUB_ORBITAL) | ||
| { | ||
| // Timewarp mode: perturb orbit using thrust | ||
| warpToReal = true; // Set to true for transition to realtime | ||
| double UT = Planetarium.GetUniversalTime(); // Universal time | ||
|
|
||
| propellantUsed = (float)part.RequestResource(InterstellarResourcesConfiguration.Instance.Hydrogen, demandReqPropellant * TimeWarp.fixedDeltaTime) / TimeWarp.fixedDeltaTime; | ||
| deuteriumUsed = (float)part.RequestResource(InterstellarResourcesConfiguration.Instance.Deuterium, demandReqDeuterium * TimeWarp.fixedDeltaTime) / TimeWarp.fixedDeltaTime; | ||
| tritiumUsed = (float)part.RequestResource(InterstellarResourcesConfiguration.Instance.Tritium, demandReqTritium * TimeWarp.fixedDeltaTime) / TimeWarp.fixedDeltaTime; | ||
|
|
||
| // Calculate thrust and deltaV if demand output > 0 | ||
| if (propellantUsed > 0 && deuteriumUsed > 0 && tritiumUsed > 0) | ||
| { | ||
| double vesselMass = this.vessel.GetTotalMass(); // Current mass | ||
| double m1 = vesselMass - (this.requestedMassFlow * TimeWarp.fixedDeltaTime); // Mass at end of burn | ||
|
|
||
| if (m1 <= 0 || vesselMass <= 0) | ||
| return; | ||
|
|
||
| double deltaV = IspPersistent * PluginHelper.GravityConstant * Math.Log(vesselMass / m1); // Delta V from burn | ||
|
|
||
| Vector3d thrustV = this.part.transform.up; // Thrust direction | ||
| Vector3d deltaVV = deltaV * thrustV; // DeltaV vector | ||
| vessel.orbit.Perturb(deltaVV, UT, TimeWarp.fixedDeltaTime); // Update vessel orbit | ||
| } | ||
| // Otherwise, if throttle is turned on, and demand out is 0, show warning | ||
| else if (ThrottlePersistent > 0) | ||
| { | ||
| ScreenMessages.PostScreenMessage("Out of resource", 5.0f); | ||
| } | ||
| } | ||
| else //if (vessel.ctrlState.mainThrottle > 0) | ||
| { | ||
| ScreenMessages.PostScreenMessage("Cannot accelerate and timewarp durring sub orbital spaceflight!", 5.0f, ScreenMessageStyle.UPPER_CENTER); | ||
| } | ||
|
|
||
|
|
||
| // Update display numbers | ||
| thrust_d = ThrustPersistent; | ||
| isp_d = IspPersistent; | ||
| throttle_d = ThrottlePersistent; | ||
| previousThrottle = vessel.ctrlState.mainThrottle; | ||
| } | ||
|
|
||
| // Format thrust into mN, N, kN | ||
| public static string FormatThrust(double thrust) | ||
| { | ||
| if (thrust < 0.001) | ||
| return Math.Round(thrust * 1000000.0, 3).ToString() + " mN"; | ||
| else if (thrust < 1.0) | ||
| return Math.Round(thrust * 1000.0, 3).ToString() + " N"; | ||
| else | ||
| return Math.Round(thrust, 3).ToString() + " kN"; | ||
| } | ||
| } | ||
|
|
||
| } |
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