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helicopter handling

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After playing with the handling.meta file in openiv for a long while I realized that unlike planes helicopters don't have a simple set of values to remove the "turbulence" like effect while flying. After locking a helicopters position with regards to pitch and yaw I realized that outside of the handling configuration information a script or something is supplying control stick input to simulate "real" helicopter flight. I have removed the flight skill variables by maxing those skills to no avail. Is anybody aware of what causes the scripted flight control input while flying a helicopter and where I can find it with openiv so I can modify it?


Thank you.

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Posted (edited)

Ok so after I sifted through a dozen or so mods pertaining to flight I found a handling.meta file that achieves the desired results but does it by increasing the mass and then the thrust variables accordingly. Which seems odd. While it does work I am still stuck trying to understand why. Perhaps in a weather config there are specific settings for how weather effects helicopters? Being really light they can get get blown around by things like a cricket fart, and increasing the mass makes them less susceptible? The below youtube link is a demo from the author of the meta file with the settings in action. Perfect. Also below is a paste of his frogger settings. I am using the frogger for testing.


I would still like to understand how this works.  :(



<Item type="CHandlingData">
      <fMass value="21000.000000" />
      <fInitialDragCoeff value="10.000000" />
      <fPercentSubmerged value="75.000000" />
      <vecCentreOfMassOffset x="0.000000" y="0.990000" z="0.000000" />
      <vecInertiaMultiplier x="1.000000" y="1.000000" z="1.000000" />
      <fDriveBiasFront value="0.000000" />
      <nInitialDriveGears value="1" />
      <fInitialDriveForce value="0.300000" />
      <fDriveInertia value="1.000000" />
      <fClutchChangeRateScaleUpShift value="1.300000" />
      <fClutchChangeRateScaleDownShift value="1.300000" />
      <fInitialDriveMaxFlatVel value="160.000000" />
      <fBrakeForce value="0.400000" />
      <fBrakeBiasFront value="0.600000" />
      <fHandBrakeForce value="0.700000" />
      <fSteeringLock value="35.000000" />
      <fTractionCurveMax value="1.300000" />
      <fTractionCurveMin value="1.200000" />
      <fTractionCurveLateral value="12.000000" />
      <fTractionSpringDeltaMax value="0.100000" />
      <fLowSpeedTractionLossMult value="0.000000" />
      <fCamberStiffnesss value="0.000000" />
      <fTractionBiasFront value="0.500000" />
      <fTractionLossMult value="1.000000" />
      <fSuspensionForce value="5.000000" />
      <fSuspensionCompDamp value="5.000000" />
      <fSuspensionReboundDamp value="5.000000" />
      <fSuspensionUpperLimit value="0.700000" />
      <fSuspensionLowerLimit value="-0.100000" />
      <fSuspensionRaise value="0.000000" />
      <fSuspensionBiasFront value="0.500000" />
      <fAntiRollBarForce value="0.000000" />
      <fAntiRollBarBiasFront value="0.000000" />
      <fRollCentreHeightFront value="0.000000" />
      <fRollCentreHeightRear value="0.000000" />
      <fCollisionDamageMult value="1.500000" />
      <fWeaponDamageMult value="0.500000" />
      <fDeformationDamageMult value="3.000000" />
      <fEngineDamageMult value="1.500000" />
      <fPetrolTankVolume value="100.000000" />
      <fOilVolume value="8.000000" />
      <fSeatOffsetDistX value="0.000000" />
      <fSeatOffsetDistY value="0.000000" />
      <fSeatOffsetDistZ value="0.000000" />
      <nMonetaryValue value="52000" />
        <Item type="CFlyingHandlingData">
          <fThrust value="0.410000" />
          <fThrustFallOff value="0.030000" />
          <fThrustVectoring value="0.320000" />
          <fYawMult value="-0.950000" />
          <fYawStabilise value="0.001000" />
          <fSideSlipMult value="0.001000" />
          <fRollMult value="1.680000" />
          <fRollStabilise value="0.011000" />
          <fPitchMult value="1.480000" />
          <fPitchStabilise value="0.001200" />
          <fFormLiftMult value="1.000000" />
          <fAttackLiftMult value="2.500000" />
          <fAttackDiveMult value="2.500000" />
          <fGearDownDragV value="0.100000" />
          <fGearDownLiftMult value="1.000000" />
          <fWindMult value="0.000000" />
          <fMoveRes value="0.045000" />
          <vecTurnRes x="0.800000" y="0.700000" z="0.800000" />
          <vecSpeedRes x="0.500000" y="0.500000" z="0.700000" />
          <fGearDoorFrontOpen value="90.000000" />
          <fGearDoorRearOpen value="90.000000" />
          <fGearDoorRearOpen2 value="90.000000" />
          <fGearDoorRearMOpen value="90.000000" />
          <fTurublenceMagnitudeMax value="0.000000" />
          <fTurublenceForceMulti value="0.000000" />
          <fTurublenceRollTorqueMulti value="0.000000" />
          <fTurublencePitchTorqueMulti value="0.000000" />
          <fBodyDamageControlEffectMult value="0.500000" />
          <fInputSensitivityForDifficulty value="0.100000" />
          <fOnGroundYawBoostSpeedPeak value="1.000000" />
          <fOnGroundYawBoostSpeedCap value="1.000000" />
          <fEngineOffGlideMulti value="1.000000" />
      <fSubmergeLevelToPullHeliUnderwater value="0.01" />

Edited by redtick

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Posted (edited)

Alright I have tried a dozens and dozens of variables associated with loading and running mods. And so not only do I not understand how these settings get the results depicted in his video, I can't even recreate them in my own game even if I replace the entire handling.meta file outright. I am so lost... going to sit back with a glass of bourbon and give it some thought before I get mad and quit. Any thoughts or sugestions would be much appreciated.



Edited by redtick

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Ok I am an idiot. In all my attempts to systematically go through all variables there was one I forgot. In all my new game saves and game re-installs as some point I forgot to max my flying skills back out. I had them maxed in the beginning but when I first tried his handling config and it did not work, I think it was user error in that I had a conflicting asi script, I immediately reinstalled the game to start fresh and at that point neglected to set flying skill to max. In any event his handling files do work. Now I need to try and figure out why. Small steps.  :)   Also wonder if I can figure out how to make the game apply more tail rotor input while banking.  hmm...

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