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Automobilista 2 Custom Force Feedback - Overview & Recommendations

Discussion in 'Automobilista 2 - General Discussion' started by Karsten Hvidberg, May 30, 2020.

  1. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Here we discuss the custom FFB files, share settings for various wheel bases & iterate to improve what we have.

    To the newcomer the custom ffb files strive to spice it up a little in the areas we want.
    Effects can be turned on/off & their strength adjusted. It's like an extension to the force feedback menu in the game.

    Some of these add things like:

    * Center (really turning) momentum fix.
    * Stronger scrub.
    * LFB "bug" fix - details outside of center receive LFB as well.
    * More road details in general.
    * Additional Kerb effect.
    * Road speed effect.
    * In file easy adjustments for additional fine tuning of the forces of the effects.
    * Many other effects, fixes & smart things.

    Note that EVERYBODY are absolutely welcomed to post any custom FFB file or improvements to existing one. It is not an elite club.

    ---- Custom ffb file installation information ----

    1) Download the file.
    2) Rename it "ffb_custom_settings.txt" if named otherwise.
    3) Copy&replace file in to the "Documents\Automobilista 2" folder.
    4) Restart the game completely.
    5) In game, go to "options -> controls -> force feedback" and set "Type" to "Custom".

    You can always get the custom ffb file that corresponds to "Default" type back by simply deleting the file from the folder again. AMS2 will create it on next restart.

    ----

    Custom files are in the following 2 posts(try BOTH, they're REALLY awesome!) as well as on the last pages of this thread.
     
    Last edited: Jun 16, 2020
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  2. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    --- REALLY go to the last pages of this thread & participate in the discussions. That's the fun of it.

    But otherwise, here's the latest of the "silver" line.

    --------------

    Complete overhaul & simplified in a new series "Silver Raw".

    * Momentum Rack 3.0. New simple full featured rack calculations.

    Momentum Rack 3.0:

    * Simple: Momentum & balance code (not shortened for better readability).
    * Details/bumps/large features taken from "load" on each wheel, not from the rack.
    * Both side tires included in calculations each on their own, grip, angular velocity and load.

    Other stuff:

    * Based on scales for getting the values "absolutely" correct when people report numbers.
    * Adjusted values that should fit most wheel base types.

    Adjustments for features in the top of the file.

    Start by Gain 85 / LFB 20 (LFB 0 for DD) / FX 50 and go from there.

    FX slider adjusts:
    - Effects: Road rumble/engine vibes/scrub/kerb.

    LFB slider adjusts:
    - Low force boost on the big steering signal and bumps.

    If you have a high end wheel you might benefit by lowering the in game gain & upping the force of the wheel base, to keep even more of the signal in the high fidelity, linear range when forces go high.

    4 different custom files attached:


    - "Full Silver Raw 6.4 - Momentum Rack 4.0" (August 2 2020) (re-posted with improvements)

    - "Minimal Silver Raw 6.0 - Momentum Rack 3.0" (July 26 2020)
    - "Critical Silver Raw 6.0 - Momentum Resistance 3.0" (July 26 2020)
    - "Silver Santos Editions".

    "ffb_custom_settings-full-silver-raw-6.4.txt" - Latest version, probably what you want. This is a special file, introducing many changes. But most important to know is that it will exploit the headroom of the ffb available to the fullest on any high down force car. So lower the gain & feel the difference on those vehicles. For low down force vehicles make sure to put the gain up again.

    "ffb_custom_settings-mini-silver-raw-6.0.txt" - Earlier version. Only adds momentum rack and most critical fixes.

    "ffb_custom_settings-critical-silver-raw-6.0.txt" - If you don't want any custom file at all, you still want this. Does not even add the full momentum rack. Only fills in the "Default" rack with the momentum resistance from the momentum rack. This helps reduce the pendulum effect present on most cars.

    "Silver Santos Editions" - Contains 2 older full silver raw files, adjusted to perfection by Santos, as well as the "silver santos" special file - Default rack, but lfb & effects added.

    Remember to rename to only "ffb_custom_settings.txt" & place in the correct folder (Documents\Automobilista 2).
     

    Attached Files:

    Last edited: Aug 2, 2020
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  3. NuScorpii

    NuScorpii Well-Known Member

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    Updated 05/07/2020

    New Custom FFB - "Heavy Messing" (NuScorpii)

    *** For gear and belt driven wheels try increasing the min_force value to 0.06 or higher.

    V2.5 Update:
    * Changed centre functions to give a more ACC soft notch feel to the wheel that moves with vehicle dynamics
    * Use the "tightness" variable to adjust width of enhanced centre
    * min_force will also affect the tightness so adjust that to suit first
    * Provided 2 Heavy Messing presets - detailed and smooth
    * Minimalist version with just enhanced centre, dynamic damping, and nonlinear clipping


    V2.4 Update:
    * No functional changes, just adding support for the Madness Tool custom ffb manager

    V2.3 Update:
    * Toned down traction loss and front load effects. Gave too much feeling of loss of grip on understeer leading to slower laps times.
    * Revised detail scales for better balance.
    * Tweaked bumpstops again and fixed a bug where an uninitialised variable was used.
    * Fixed a few small bugs that could potentially cause divide by 0 errors.

    V2.2 Update:
    * Revised tyre adhesion code to make it more consistent across vehicles.
    * Increased range of intermediate sigmoid functions to provide much higher dynamic range for higher powered wheels. (Use lower gain and up your wheel strength)
    * Various variable tweaks to improve feel and consistency across cars.
    * Clipping now performed after the gain is applied giving full range of output.
    WARNING - this may produce large peaks of force on DD wheels.

    V2.1a Bug Fix:
    * Reset experimental variable that was causing cornering forces to be too high.

    V2.1 Update:

    * Added tyre adhesion based grip feedback. Makes the steering feel lighter when the front loses traction e.g. understeer and lock ups.
    * Adhesion effect strength can be controlled using adhesion_scale.
    * Revised details balance so road texture and bump details are not as harsh.
    * Increased brake effect slightly on the rack to provide better feedback on braking.
    * Added LFB 0 work around "fix". FFB won't spaz out with LFB set to 0.
    * Added a damping parameter so users can make the wheel give more resistance to turning, can also help with oscillations: overall_damping.
    * Histogram now outputs full range all the time.
    * Revised bump stop damping to decrease bounce back.
    * Increased the affect that the FX slider has on the road texture and bump details.


    V2.0 New Release:
    * Completely new way of clipping the signal data using Sigmoid functions. This will enable high output gain to be used with very little chance of encountering flat spots in the force feedback.
    * Bumpstop code changed to have a heavily damped buffer so there are no hard hits or bounce back.

    V1.02 Update:
    * Added some damping to prevent wild oscillations at standstill due to the lack of damping in AMS2 0.9.6
    * Added an output smoothing variable output_smoothing which can be increased to smooth high frequency details if they are too harsh

    V1.01 Update:
    * Updated code to find static weight in a reliable way. Gives a more constant value and stops odd changes in ffb weight.
    * Tweaked variables for slightly lower engine vibrations and road noise, better brake feel.
    * Updated rack_damping_scale from 0.9.6 release (Fix for hard right issue)
    * Load and brake based rack force amplification
    * Gyroscopic forces
    * Kerb effects
    * Scrub effect
    * No fake road effects, all road texture is from the actual track
     

    Attached Files:

    Last edited: Jul 5, 2020
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  4. NuScorpii

    NuScorpii Well-Known Member

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    Reserved - TBD Custom FFB variables and functions reference
     
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  5. Lexx VR

    Lexx VR Member

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    Looking forward to trying this one today!
     
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  6. NuScorpii

    NuScorpii Well-Known Member

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    I updated the file above again as there was a bug with 0.9.5 and a comment. WTF!? A comment broke the custom ffb file...
     
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  7. NuScorpii

    NuScorpii Well-Known Member

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    Updated the file in post #3. This includes some changes that I was working on before the 0.9.5 release. Should work better with a wide range of wheels, tested by reducing wheel strength and running with different levels of gain and lfb up to very high values.
     
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  8. Alegunner68

    Alegunner68 Active Member Reiza Backer

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    This new file is almost there for me except the notchiness around centre has returned. It goes away when I reduce lfb but so does the self aligning torque and straight-line feel. Any suggestion before I grow big ears and get a craving for carrots?:)
     
  9. NuScorpii

    NuScorpii Well-Known Member

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    What are your in game settings? (To get the notchy feeling)
     
  10. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Alegunner,
    The detail boost is quite brutal in this one as set up right here, so that's possibly it.
    I will likely post a return to how it was before in reg. to those later.

    You can try lowering ingame fx until then.
     
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  11. NuScorpii

    NuScorpii Well-Known Member

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    Feels good enough for me to set a new WR at Donnigton GP in the Ultima Race ;)
     
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  12. Alegunner68

    Alegunner68 Active Member Reiza Backer

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    Too late guys, I'm down the hole..
    Changed a few things and I'm almost there for me personally.
    I'll post the file in a bit if you want to see what I changed.
     
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  13. F.Santos

    F.Santos Well-Known Member Reiza Backer

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    Loving this new file with the FFB 9.5, it took me about 5 min to find a sweet spot, and now I'm just changing to see what else is there, but its perfect really good to have the option of using this file with the games FFB.

    For reference for now: 70.70.50
     
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  14. Alegunner68

    Alegunner68 Active Member Reiza Backer

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    I'm happy with this one now, managed to tweak it to get a good feeling at 60-70/50/50 which leaves loads of leeway either way.
    It feels nicely balanced between straight line and cornering feel, the f309 feels amazing to me.
    Happy bunny:)
     

    Attached Files:

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  15. Dean Ogurek

    Dean Ogurek Well-Known Member Reiza Backer

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    Nice work guys, I look forward to testing once I get through my work here.
     
  16. ZeferinoCoutinho

    ZeferinoCoutinho Zef_mirror_man-zefthebestofcour

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    Which wheel are you using, Ale??
     
  17. Fernando

    Fernando Member

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    Hi guys, thank you for all your hard work on these custom files, and for sharing them with us.

    I have a question to you: Would it be possible to have one version of your file, with all your added variables, but with default feel?

    I ask because now I like the default on my wheel, but I want to tweak it a bit to increase some details and I think it would be easier to use all your added variables to do it.

    Thanks!
     
  18. NuScorpii

    NuScorpii Well-Known Member

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    That's pretty good. Works for DD too, can feel the vibrations through the pedals (although the downstairs neighbours will be complaining :D )
     
  19. Alegunner68

    Alegunner68 Active Member Reiza Backer

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    Csw 2.5.
     
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  20. Alegunner68

    Alegunner68 Active Member Reiza Backer

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    Good to hear, probably more amplified on dd!
     

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