Game locked at 42 fps

[MaLDo]

I don't know why but the game runs at 42 fps since the begining. First video runs at 42 fps too. Game menu same and the game too. Movement is jerky because this problem.

2700K@5 ghz and tri-sli 680GTX

No problems in other games.

[MaLDo]

Alt+Enter to windowed mode fix the problem. So, 60 fps in windowed mode but 42 fps in fullscreen. I prefer to play in fullscreen, any fix?

[MaLDo]

Hello, I read in other posts that some people don't understand that Fly'n has had moderate success with how great it is. Well, I agree it's great. But if I had not found that I have to play in windowed mode to have 60 fps, I would have left after 10 minutes.
 
I've been tested installing the game on 2 different computers and in these other two computers I have also the problem of the 42 fps. This makes the game framerate somewhat erratic and full of stuttering that makes hardly enjoyable. If a good percentage of players are having this problem (on this forum also I have seen users with the same problem) I fully understand that the game does not have the success it deserves.

Most people are not able to determine that a game like fly'n have performance issues because a bug, they just think the game is that "not smooth" and stop playing. I think it is paramount that developers give priority to this type of bugs, because although those bugs do not break the game, break your success.

It is not permissible for the user to use windowed mode (which is not even in the graphics options menu) to play with smooth to a game that requires that smooth in order to face the challenges it offers.

Only my opinion.

[Tholank]

You can switch to window mode in the option menu.

To be honnest I dont undersand why you have such issue.
We tested our game on a 6 years old "gamer"-computer and we didn't had such issue. Your computer seams to be largely powerfull enougth to run fly'n at 60 fps. I'think that is something due to v-sync, but I can't be sure.

It's very hard to solve such bug. because we can't test the game on every PC configuration. It is neigther a probleme of optimisation ( not totaly ) because we tested it on some low configuration.

We won't have sold the game if we had such issue, but I have no idea how to fix out that issue for you.

You can try to play in window mode and increase the resolution.

[MaLDo]

Originally posted by Tholank:

You can switch to window mode in the option menu.

To be honnest I dont undersand why you have such issue.
We tested our game on a 6 years old "gamer"-computer and we didn't had such issue. Your computer seams to be largely powerfull enougth to run fly'n at 60 fps. I'think that is something due to v-sync, but I can't be sure.

It's very hard to solve such bug. because we can't test the game on every PC configuration. It is neigther a probleme of optimisation ( not totaly ) because we tested it on some low configuration.

We won't have sold the game if we had such issue, but I have no idea how to fix out that issue for you.

You can try to play in window mode and increase the resolution.

Hi, thank you for your reply. First of all, problem is not very rare because I can reproduce it in three different computers.

In this community forum there are more examples:

User Valkeers:
"Only one thing: Is this game supposed to run at 60 fps? My machine (i7 3770k + geforce 680 / full speccs on demand) and i'm only getting constant 45 fps."

User Icarian:
"I have this strange framerate issue with the game. When I run it on full screen mode, my framerate seems to drop frequently from 60 to 40 (it doesn't go below that though) and that causes annoying slowdown. However, switching to windowed mode while keeping the same resolution fixes the framerate issue for some reason. I'd still prefer to run the game on full screen so I'd like to know if there's any fix to this?"

User VaeliusNoctu:
"Thx is see it after finfish the Bosslevel after kill the Boss.
But this Game realy needs a manual.
The only Bug i find realy annoing was the random fps down Bug. Sometimes i can play a level with good fps sometimes not. Sometimes a restart of the Game helps sometimes not.

It feels the sweet Pets have there Bad and Good days and sometimes they wont Play with me."


Obviously, at least Valkeers has the same exact problem than me. Interesting all of them talk about fps problems. In my opinion, mayority of players for these kind of game don't know what 'fps' or 'framerate' is, so as I said before, maybe a lot of people that buy your game can note the game is not smooth (or playable) but don't know what's the problem (they can think the game is this way). And those three users talking about fps problem are a minority that can see where the problem is.


I tested disabling SLI, all kind of vsync configurations (the vsync setting inside fly'n config file doesn't work correctly), changing windows audio settings, etc with no luck.

Another problem is that using windowed mode in order to avoid the framerate bug, the game is fixed at 16:9 aspect ratio, so in my 16:10 monitor, I can see windows bar in the bottom and my desktop wallpaper in the top. Another workaround to avoid this problem is setting windows desktop to a 16:9 resolution using "force 1:1 with aspect ratio" option in nvidia control panel so I can put black bars up and down. Even so, the top border of Fly'n window is visible and annoying.

FEZ was developed, I think, using xna too and at launch it had another framerate problem:

http://maldotex.blogspot.com.es/2013/05/smoother-fez.html

In the 1.05 patch they finally add a -force-60hz commandline to avoid the stutter problem.

I hope you can found a way to offer a smooth experience to everybody because then they can truly enjoy this piece of art. Thank you.

[MaLDo]

More examples in this forum

User plusperks:
"I'm having a minor annoyance with Fly'N, I can never get higher than 55fps. The game just runs on one core (is that intentional?) and lowering the resolution doesn't help. The processor affinity is set to use all cores in Task Manager. Everything in the game works fine, it's just the frame rate that keeps it being run smoothly. I've attached a screenshot from my 2nd monitor logging the GPU and CPU usage."

User Proton:
"hi im having a problem with this. iv tried to reinstall xna3.1 and it dont work"

User Pallaume:
"Bien le bonjour.
Je poste ici pour faire part de ralentissement pendant certaines phases de jeu, notamment celles demandant d'enchainer un certain nombre d'action sans se tromper où la moindre erreur est fatale, comme c'est le cas dans les niveau où le "tsunami d'ordures" monte. On constate sur ces levels, et particulièrement pour le niveau final, de gros ralentissements qui n'étaient pas présents avant.
Serait-ce dû au fait qu'après avoir été utilisé pendant plus de 15h de jeu, celui-çi commence à accuser le coup? Cela me paraitrait étrange car même si le jeu est "censé" se terminer en une dizaine d'heure, le fait est que j'aimerais énormément pouvoir continuer à jouer avec dans les mêmes conditions qu'au tout début.
Je précise également que les cinématiques rament pas mal, ce qu'elles ne faisaient pas avant.

Serait-ce un problème lié au jeu en lui même ou à l'ordinateur?
Merci par avance."


Every framerate under 60 fps will result in stuttering and annonying gameplay experience.

[Athari]

Huh. Fez seems to use a patched version of MonoGame. In "--force-60hz" mode, logic in Game.Tick method is changed (in if statement): the line https://github.com/mono/MonoGame/blob/v3.0.1.0/MonoGame.Framework/Game.cs#L451 is changed to

this._accumulatedElapsedTime += this._targetElapsedTime;

which, according to my logic, is completely incorrect, but will work fine if the computer has no problems with 60hz at any time. Basically, it will force redraw on every step. I think.

The problem is, Fly'n is using XNA, not MonoGame, and I seriously doubt devs will port the game to a different lib just to see if it works.

People on the Internet who have the same problem with XNA suggest abandoning the fixed step logic from the Game class and doing it yourself.

[A. Fox]

Did you get this issue resolved?

[Athari]

Only devs can fix this. It is caused by faulty logic in XNA Framework for calculating frame delays in fixed-step mode.

Patching Microsoft.Xna.Framework.Game.dll assembly (which is far from easy by itself) won't help as Flyn.exe references it using PublicKeyToken, and only Microsoft has the private key to sign the assembly.

So, without intervention from the devs, the only option is to hack Flyn.exe. This can can done, and I've actually managed to completely decompile all Flyn code to C# in the past, but having fun with the code in private is one thing and releasing it to public is completely another matter. Obviously, I don't want to do it.

By the way, Russian laws actually allow reverse engeneering for the purpose of fixing bugs. :) Australian laws also allow it, if I remember correctly.

[Kein Zantezuken]

Don't release in on public, release privately for those who are unable to play due to this bug.

[Tholank]

Athari should not give the game to anybody. there could be some legal issue.

@ athari : if you have an easy solution please tell me what it is.

[A²]

I am also having this problem windowed or not. Certain parts of most levels are choppy. It seems to be related to certain checkpoints.

[MaLDo]

Originally posted by Kolo:

I am also having this problem windowed or not. Certain parts of most levels are choppy. It seems to be related to certain checkpoints.

Some developers don't care that his game is not smooth at all. They did not attend class when it was explained that the framerate is the foundation of the gameplay.

http://steamcommunity.com/app/224760/discussions/0/828937546146648542

http://steamcommunity.com/app/224060/discussions/0/648814844176106397

http://steamcommunity.com/app/215530/discussions/0/648814841545310502

http://steamcommunity.com/app/43160/discussions/0/810924774529048898

and so on...

Fortunately, Metro Last light was fixed and FEZ was patched with a workaround.

[Kein Zantezuken]

Try the following solutions:

1. Updated XNA redist to 3.1
2. Updated XNA redist to 4.0 "refresh" version

Uninstall any other installed XNA packages before installing new one

[Commander Makara]

It sounds most likely to be the EDID limitations on your monitor at that resolution.

[MaLDo]

Originally posted by FS Archduke:

It sounds most likely to be the EDID limitations on your monitor at that resolution.

What?

I can play any game at 60 hz using

1920x1080
1920x1200
2304x1440
2496x1560
2688x1680
2880x1800
3072x1920

Fly'n was not using an unknow resolution. It was a problem with the game tic.

Anyway, the problem was fixed months ago.