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April 20, 2019, 11:05:53 pm


GP Bikes beta15b available! :)

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Topics - PiBoSo

General Discussion / New Forum Software
March 28, 2019, 09:50:18 pm
The forum software has been updated.
Hopefully this will solve, or at least strongly mitigate, the problem with spammers.

Sadly a mistake has been made while moving the forum to SSL.
All the attachments uploaded after the 20th are lost  :(
Sorry for the inconvenience.
Please restore them if possible.

Also, Youtube videos are embedded in a different, much easier, way. Please note that it's not possible to change the video size.
Unfortunately the old videos don't work anymore.

Please report if you find any other problem.
General Discussion / GP Bikes beta15b
February 23, 2019, 10:19:26 pm

GP Bikes beta15b available:

It is possible to download a patch at this link, to avoid having to re-download the whole installer:
To install it, simply overwrite the file gpbikes/gpbikes.dll in the GP Bikes installation folder.

Full download:
( mirrors would be extremely helpful and welcome )
Bikes / Chain animation
February 11, 2019, 12:19:13 am

How to link the chain to the front sprocket:

1. Open the file gfx.cfg and go to ( or create ) the "chain" section ( there should be two, one for full model and one for the cockpit )

2. Make sure that "name" matches the object name in the model

3. Open the bike in the Bike Editor: http://forum.piboso.com/index.php?topic=1458.0

4. Drag "Chain Link" over "FSprocket"

5. Copy the "Pos" and "Rot" values in the gfx.cfg file

Please note that it is also possible to add up to two blur textures.
Physics / Electric bikes conversion
February 08, 2019, 10:45:26 pm
Steps to convert the electric bikes to make use of Beta15 electric engine support.

1. open the "cfg" file

2. go to the "engine" section.
2a. add
electric = 1
This tells the physics that there is no fuel tank, no idle and no engine stall.
2b. the "stall" section is still used to make sure that engine braking goes down to zero at zero rpm.  Example:

RPM = 500
torque = 0.1

2c. "IdleThrottle", "IdleRPM", "FuelRatio", "shiftRPM" can be removed.
2d. the "Clutch" section must be removed to tell the physics that the engine is direct drive.

3. remove the "fueltank" section, and replace it with:

Capacity = 12

4. remove the "gearbox", "autoclutch" and "shifthelp" sections.

5. go to the "driveline" section.
5a. delete "SecondAxisInertia".

6. save and close the file.

7. open the file sfx.cfg

8. the "gearbox" section can be removed.

9. save and close the file.

10. all done
General Discussion / GP Bikes beta15
February 06, 2019, 04:59:22 pm

GP Bikes beta15 available:

( download mirrors would be extremely helpful and welcome )
Plugins / Mouse steering
January 13, 2019, 11:19:10 pm

This plugin http://www.mx-bikes.com/downloads/minput64.dli allows to control the car using the mouse.
It must be copied in the "wrs/plugins" folder in the World Racing Series installation directory.
Then the mouse input must be assigned clicking on the "Steer" button in World Racing Series -> Settings -> Input

Please report if it works correctly.
General Discussion / New official track
December 03, 2018, 04:46:18 pm
Soon, hopefully, work will start on a new official track.

Which one would you prefer?
Please vote ( you can choose two! ) and please write your opinion, too.
General Discussion / Crowdfunding 2...
November 19, 2018, 02:31:51 pm

New spin.

I've been in contact with the Nurb for all of 2018 for the indoor kart track project, and I am wondering:
1) How many would join a crowd-funding campaign to have the laser-scanned Nordschleife officially in GP Bikes?
2) How many think it would be a good idea?

There already is a mod version, but:
1) is it an authorized conversion?
2) does it come from laser-scanned data?
3) it doesn't use the graphics engine at its full potential

Nonetheless, I'm not sure that a better and official version of the Nurb would be enough for a successful campaign.
General Discussion / PiBoSo and simracing youtubers
November 05, 2018, 09:19:39 pm
As you may or may not know, lately a new racing simulator has been released ( as Early Access on Steam ): KartKraft.
I was expecting YouTube videos comparing it with KRP, that is its only proper competitor ( everything else is just scaled down cars ).

Five days after release, still nothing.
There are comparisons with Automobilista and rF2, though  :-\

This problem is part of a trend, though.
Even when KRP was released, most simracing youtubers completely ignored it. A few asked for a free key. They were given out. Only one preview has been published. That was it.

Maybe some of you know the simracing world better than I do and could enlighten me.
What could be the cause of being completely ignored? After all, KRP is the best kart sim on the market, and karting is a big part of real racing. It also has some neat features that few big budget sims can match.
Is it because the graphics is not good enough?
Is it because it's too expensive? Then why not ask for a key? And there is a free demo anyway.
Or do I have a bad reputation and I'm ostracized?  :(
Mods / 2D Dashes
October 30, 2018, 11:15:33 pm

Starting with Beta14, 2D dashes support has been changed and extended.

It is possible to have multiple 2D dashes in the gpbikes/misc/dashes/ directory, in the GP Bikes installation directory.
Each bike can set the required dash in the hud.cfg file. For example:

dash = default

If the line is missing, the "default" dash is automatically used.
Documentation / Windows desktop scaling
September 23, 2018, 09:15:48 pm

If the Windows scaling is set to a value over 100% then World Racing Series will start at a lower resolution to compensate for the automatic scaling.

To solve the issue and use the full resolution: right-click on the World Racing Series icon -> Properties -> Compatibility -> Disable display scaling on high DPI settings
General Discussion / Daily development reprise
September 06, 2018, 10:02:45 pm

* WRS: work on the new physics

General Discussion / World Racing Series beta14 WIP
July 29, 2018, 05:04:05 pm

Work is in progress to rewrite the suspensions code and simulate the live axle torque reaction, the axle wrap, and so on.
No pictures or videos to show yet, sorry. There is still a lot to do.
Plugins / UDP Proxy
July 18, 2018, 04:01:57 pm
Starting with Beta14, GP Bikes integrates a plugin that allows to receive UDP data from the simulated bike in realtime.

To enable it and set the parameters, edit the file "gpbikes/proxy_udp.ini" in the GP Bikes installation folder:

enable = 1
port = 30000
ip =
delay = 1

port: outbound port
ip: inbound address and, optional, port ( if missing, the outbound port is used )
delay: hundredths of second between packets

The packet format:
"data": null-terminated string
"state": integer. 0: software running; 1: on-track, simulation paused; 2: on-track, simulation running
"time": integer, milliseconds.
The rest of the packet follows the "SPluginsBikeData_t" structure of the proxy plugin: http://www.gp-bikes.com/downloads/gpb_proxy.c

In the proxy_udp.ini file, add the line

info = 1

to enable the streaming of the event, session, lap and split data.

Data format of the event packet, sent every second:
"evnt": null-terminated string
The rest of the packet follows the "SPluginsEventData_t" structure of the proxy plugin.

Data format of the session packet, sent every second:
"sesn": null-terminated string
The rest of the packet follows the "SPluginsBikeSession_t" structure of the proxy plugin.

Data format of the lap packet, sent five times a second:
"lap ": null-terminated string
The rest of the packet follows the "SPluginsBikeLap_t" structure of the proxy plugin.

Data format of the split packet, sent five times a second:
"splt": null-terminated string
"split": integer. 0: the latest line crossed is the start / finish one; 1: the latest line crossed is a split one
The rest of the packet follows the "SPluginsBikeSplit_t" structure of the proxy plugin.
General Discussion / GP Bikes beta14
July 12, 2018, 10:50:09 pm

GP Bikes beta14 available:

( download mirrors would be extremely helpful and welcome )
General Discussion / Crowdfunding...
July 11, 2018, 09:17:37 pm
What would you expect from a crowdfunding campaign?
What should the goal be?
GP Bikes on Steam?
All the projects on Steam?
New features?
A MotoGP competitor?

Please share your opinion...

Please note that even a very successful campaign would only help the art side. The code side is already going almost as fast as possible. Adding new programmers would be too complex and time-consuming.
General Discussion / World Racing Series beta13
July 05, 2018, 10:43:05 pm

World Racing Series beta13 available:

( download mirrors would be extremely helpful and welcome )

The 6th of May of 10 years ago GP Bikes alpha1 was released.
General Discussion / It's almost time...
April 06, 2018, 10:21:02 pm
... to release GP Bikes on Steam.

However, in addition to the x64 build and improved netcode, it needs new and better content.
Starting with a middle-class bike, that would also be used as the demo bike for the standalone version.

Now the question is: could you please post all the data you have on a 2018 Moto2?
Schematics, blueprints, wheelbase, length, width, height, engine torque curve, ... Anything is useful.

Thanks in advance.
General Discussion / Any TrackIR user around?
March 19, 2018, 01:06:28 pm

If there is any TrackIR user around, could you please do me a BIG favour?
Could you please download the latest KRP build and test if the rotation and translation axis work correctly?