World Sportscar Championship 1967 Papy_ai Physics v1.0.0.0 Read Me

I recently investigated and compared the NR2003 papy_ai to various GPL papy_ai’s and made this: World Sportscar Championship 1967 Physics for the AD67 Mod in NR2003.
It is important to note, this is not an edit of the GPL file, but more about applying the same lines of code to the NR2003 version, as some are the same and seeing how it would handle/if it would enhance the mod handling further. This is also, what led me to do this in the first place.

The lines of code are from the 2018 version of the GPL mod, where they are different (see a list of changes so far below). If any column is not mentioned, it has not changed. I also know of NR2003.exe editing, but I am not an expert at that or tried it.

I would recommend that you use the mod/a mod with appropriate opponent ratings, NOT just one number for min and one for max. To get a fuller experience to race against the A.I, Everyone knows that if you just have 40-60 ratings then they just act like dummy cars around the track, and crash out easily.

Not being an expert, I do not know exactly what they mean, but I do know were to replace the values. This is by no means a 100% perfect physic but is a start. Any extra advice or help would be appreciated.

Changes from Original

[ behavior ]
-base_gearshift_hiatus = (Changed from 0.7 to 0.6)
-crashing_recovery_pitch_roll = (Changed from 0.96 to 0.98)
-crashing_recovery_slip_angle = (Changed from 0.35 to 0.349)

[ driver ]
-Unchanged. New since GPL

[ mechanical ]
-base_tire_wear = (Changed from 0.00053 to 0.0)
-mechanical_failure_chance = (Changed from 12 to 45)
-mechanical_failure_interval = (Changed from 540 to 2160)
-suspension_problem_chance = (Changed from 2 to 4)
-tire_problem_chance = (Changed from 10 to 3)
-fuel_system_problem_chance = (Changed from 2 to 1)
-fuel_system_failure_chance = (Changed from 5 to 3)
-engine_problem_chance = (Changed from 9 to 25)
-brake_problem_chance = (Changed from 5 to 16)
-suspension_failure_chance = (Changed from 1 to 12)
-tire_failure_chance = (Changed from 25 to 3)
-engine_failure_chance = (Changed from 30 to 25)
-brake_failure_chance = (Changed form 2 to 1)
-fuel_leak_chance = (Changed from 2 to 1)
-coolant_leak_chance = (Changed from 2 to 3)
-oil_leak_chance = (Changed from 5 to 3)

[ physics ]
-alt_accel_k1 = (Changed from 0.085 to 0.07)
-alt_accel_k2 = (Changed from 0.28 to 0.32)
-idle_scaled_power = (Changed from 0.016 to 0.08)
-inertial_factor = (Changed from 0.1 to 0.05)
-max_ws_interval = (Changed from 117 to 72)
-min_ws_interval = (Changed from 27 to 36)
-pitch_accel_coeff = (Changed from 3 to 1)
-roll_accel_coeff = (Changed from 4 to 0.5)
-wheelspin_min_adj_coeff = (Changed from 0.75 to 0.1)
-yaw_accel_k1 = (Changed from 0.02 to 0.12)
-yaw_accel_k2 = (Changed from 0.2 to 1)

Car Class Parameters

[ CUP ]
braking_efficiency_coeff = (Changed from 0.94 to 1.2)
nominal_traction_circle = 0.0135 (Changed from 0.0135 to 0.0118)

Also added all extra columns especially PTA, which is most likely to be of use.

Installation

Place the A.I. folder in your NR2003 directory (C:\Papyrus\NASCAR Racing 2003 Season) Copy the correct papy_ai physics i.e. World Sportscar Championship 1967 when using the AD67 Mod. Start the game. Copy the default papy_ai, when using the normal mod or others, after exiting the game.

Note: the default papy_ai in the A.I. folder has not been edited but you can place your default one here if you like.

The World Sportscar Championship 1967 Papy_ai also works on the other main physics, use it but only if you really must! :)

Features and Information

Not sure what all of these mean, (See inside .ini for definitions), but based of personal experience and comparing to the GPL version on the same track, (silverstnone/Silverstone_PWF) there is definitely more torque because the minimum and maximum ws_intervals (wheelspin interval) has been dramatically reduced, and you change gears faster by 10% because the ticks has been reduced from 7 to 6. (base_gearshift_hiatus).

The acceleration feels more powerful; engine idling has been increased (idle_scaled_power) this could also add to the torque. Grip reduction has been reduced from wheel spin. (wheelspin_min_adj_coeff). You need to be careful of not spinning though, especially if you have boost car at low speeds ticked, and traction control un-ticked in options.

The biggest difference is mechanical, which is out of a 100% chance. I might come up with one with the original mechanical if there are too many failures on track.

Trying it with different physics/mods, it is unusual, but I will not be using it for that. Do not want to get ahead of myself but with a NASCAR it is like a sports car feel to it, now where have I heard that before…

Bugs

-Not sure if this is a bug or not, but it may be that you get to be faster because of an extra gear in PTA, where as you just get five in GPL.

-You have to swap which papy_ai you want to use with NR2003 (In GPL you do not). (Remember to back up the original). What would be great is if you can have what physics a mod is using in the series DEF file, and custom names of each A.I. in the NR2003 directory.

To Do

-Add missing values and see if that works from GPL.

Credits
-Myself (MeandMe AKA Monkeyape for Papy_ai File Edit) 🦍 🍌
-GPL Mod Team (For World Sportscar Championship 1967 (2018) Original Papy_ai values))
-Papyrus Racing Games (Papy_ai Design: Since 1998 GPL)
-The U.S. Pits and C-one (Anno Domini World Sportscar Championship 1967 Mod, for NR2003)

Download available on Stunod

(Go-To Download Button Above)

Download Was Also Advertised Here

https://efr1.forumotion.com/t6587-world-sportscar-championship-1967-papy_ai-physics-v1-0-0-0 (EFR)
(Reddit)


Thanks for downloading, and I will catch you in the next one.


Cheers,


MeandMe 😃
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