Problem VR - Black Screen

[Kraysen]

Hello
Meanwhile, congratulations for the game, really interesting ... pity that to have to play it must necessarily use the Radeon Software Adrenalin Edition 18.5.1 driver ... you can not in any way understand and solve why, this problem arises when do I update my video card drivers?
I hope you can solve the problem related to the drivers of the video card because the game is very interesting!

[xx420blaze69]

Hi Kraysen! Thank you for the kind words! Does the game work in non-vr mode? I've seen that some other people have issues with amd graphics chips as well, but the 18.5.1 driver should work... Let me know if it does not work.

[Kraysen]

With Radeon Software Adrenalin Edition 18.5.1 the VR (oculus rift) It works very well, only I need to keep the drivers up to date, for other programs that wouldn't work well. You don't know why precisely with that version, the vr works and updating them instead isn't it? Can't we do anything to help you understand the problem?

[xx420blaze69]

Hi! I'll do my best to look into it! I don't have any AMD devices except one, on which my game works, so it will be hard to debug. That being said, I do hope to be able to solve this issue! Can you confirm the game runs normally in non-vr mode?

[Kraysen]

The game runs normally in non-vr mode.
I really hope that in some way you will be able to solve our problem for us AMD ... your game is very interesting and I hope to be able to try it in vr without problems ...
If I can help you in any way, I'm available ^^
However with the 18.5.1 drivers, it works great, no performance or lag drop, good fps.
Again congratulations and good work!

[Kraysen]

Announcements?
I still have that problem ... I would rather not have to use an old version of the video card drivers to play ... I hope you will somehow figure out how to solve :(

[xx420blaze69]

Hi! Can you try the following steps? Hopefully this will help me narrow down a solution to this issue. I know some graphics drivers are pickier than others when it comes to opengl code, which has caused other issues for other people in the past.

1: Go to your steam library, right click Ultimate Coaster X in the list of games.
2: Select properties. In the window that appears, go to the "local files" tab and press "browse local files".
3: In the folder that appears, hold shift and right click any blank space that appears.
4: Select "open command prompt here" or "open windows powershell here", whichever appears for you. If they both appear, just choose either one.
5: Type in (without quotes) "jre/bin/java.exe -jar run.jar" and press enter.
6: A window with a bunch of text will appear. After the game crashes, copy and paste the contents of that window and send it to me, or take a screenshot.

[Kraysen]

Ok, I did as you said ... the game starts not in vr and this comes up

E:\SteamLibrary\steamapps\common\Ultimate Coaster X>C:\ProgramData\Oracle\Java\j
avapath\java.exe -jar run.jar
Current path: E:\SteamLibrary\steamapps\common\Ultimate Coaster X
[]
VisUI: Warning, using default preferences file name for file chooser! (see FileC
hooser.setDefaultPrefsName(String))
-513.0, 511.0, -513.0, 511.0
[(-11.949821,-2.629792,-11.683377)|(13.727512,21.560406,14.133128)]
[(-6.278112,-4.362198,-6.39519)|(6.78347,26.332132,5.677018)]
[(-10.018945,-7.757925,-10.748021)|(10.099839,25.65,9.455525)]
[(-19.85207,-4.815581,-13.611806)|(14.529625,40.09794,16.65754)]
Setting breakpad minidump AppID = 734330
Steam_SetMinidumpSteamID: Caching Steam ID: 76561197998881476 [API loaded no]
Connected to Steam!
Current path: E:\SteamLibrary\steamapps\common\Ultimate Coaster X
Subscribed files: [6493a145, 649ba558, 64af60e8, 648c8f07, 648cc371, 6493bf62, 6
48fc09a, 64be8975, 64c70b8c, 64c78b89, 64d1eb68, 64c04e65, 64c2911f, 64c604e3]
Creating buffertexture

Still with the game open, I go to the menu and select the mode in vr. The game crashes and this appears in the command window:

Exception in thread "main" com.badlogic.gdx.utils.GdxRuntimeException: java.lang
.NoSuchMethodError: java.nio.ByteBuffer.position(I)Ljava/nio/ByteBuffer;
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.<init>(Lwjgl3Appli
cation.java:117)
at com.phonygames.ultimate.desktop.DesktopLauncher.main(DesktopLauncher.
java:24)
Caused by: java.lang.NoSuchMethodError: java.nio.ByteBuffer.position(I)Ljava/nio
/ByteBuffer;
at com.badlogic.gdx.vr.VRContext.loadRenderModel(VRContext.java:701)
at com.badlogic.gdx.vr.VRContext.access$200(VRContext.java:61)
at com.badlogic.gdx.vr.VRContext$VRDevice.<init>(VRContext.java:815)
at com.badlogic.gdx.vr.VRContext.createDevice(VRContext.java:573)
at com.badlogic.gdx.vr.VRContext.pollEvents(VRContext.java:475)
at com.phonygames.ultimate.a.render(UCore.java:2360)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Window.update(Lwjgl3Window.jav
a:392)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.loop(Lwjgl3Applica
tion.java:137)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.<init>(Lwjgl3Appli
cation.java:111)
... 1 more

I hope I did everything right ... :(

[xx420blaze69]

Hi, I think you entered an incorrect command. You are running the default java that is installed on your computer, but the game expects to run the java that is bundled with the game files. The java executable should be something like "D:\Program Files (x86)\Steam\steamapps\common\Ultimate Coaster X\jre\bin\java.exe"

The default java you have installed isn't the same version that the game uses, and is missing some features that are necessary for the game to run.

Could you try again but this time just type in "jre/bin/java.exe -jar run.jar" (without quotes) from the game installation directory?

[Kraysen]

With this command line ( jre/bin/java.exe -jar run.jar ) it says that it is not recognized as an internal or external command or an executable or batch program.

[xx420blaze69]

hm... are you using windows powershell? if so, you might need to add the characters ".\" to the beginning of your command (a period and a backslash)

In addition, the command will not work unless your command prompt or powershell is running in the installation directory of the game. (if you followed the steps I provided it should already be the case)

Let me know if you need any more help!

[Kraysen]

Nothing ... I can't ... but I tried one thing: I tried to insert only the string "E:\SteamLibrary\steamapps\common\Ultimate Coaster X>java.exe -jar run.jar" and the game starts , crashes immediately after and this is what appears:

E:\SteamLibrary\steamapps\common\Ultimate Coaster X>java.exe -jar run.jar
Current path: E:\SteamLibrary\steamapps\common\Ultimate Coaster X
[]
VisUI: Warning, using default preferences file name for file chooser! (see FileC
hooser.setDefaultPrefsName(String))
-513.0, 511.0, -513.0, 511.0
[(-11.949821,-2.629792,-11.683377)|(13.727512,21.560406,14.133128)]
[(-6.278112,-4.362198,-6.39519)|(6.78347,26.332132,5.677018)]
[(-10.018945,-7.757925,-10.748021)|(10.099839,25.65,9.455525)]
[(-19.85207,-4.815581,-13.611806)|(14.529625,40.09794,16.65754)]
Setting breakpad minidump AppID = 734330
Steam_SetMinidumpSteamID: Caching Steam ID: 76561197998881476 [API loaded no]
Connected to Steam!
Current path: E:\SteamLibrary\steamapps\common\Ultimate Coaster X
Subscribed files: [6493a145, 649ba558, 64af60e8, 648c8f07, 648cc371, 6493bf62, 6
48fc09a, 64be8975, 64c70b8c, 64c78b89, 64d1eb68, 64c04e65, 64c2911f, 64c604e3]

Creating buffertexture
Exception in thread "main" com.badlogic.gdx.utils.GdxRuntimeException: java.lang
.NoSuchMethodError: java.nio.ShortBuffer.position(I)Ljava/nio/ShortBuffer;
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.<init>(Lwjgl3Appli
cation.java:117)
at com.phonygames.ultimate.desktop.DesktopLauncher.main(DesktopLauncher.
java:24)
Caused by: java.lang.NoSuchMethodError: java.nio.ShortBuffer.position(I)Ljava/ni
o/ShortBuffer;
at com.phonygames.ultimate.b.b.d.e(U3DLineRenderer.java:133)
at com.phonygames.ultimate.b.b.d.c(U3DLineRenderer.java:207)
at com.phonygames.ultimate.b.e.b(URenderer.java:1410)
at com.phonygames.ultimate.a.render(UCore.java:156)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Window.update(Lwjgl3Window.jav
a:392)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.loop(Lwjgl3Applica
tion.java:137)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.<init>(Lwjgl3Appli
cation.java:111)
... 1 more

E:\SteamLibrary\steamapps\common\Ultimate Coaster X>

I hope this can help you... :(

[xx420blaze69]

Hm... can you confirm that the command you are typing in has begins with "jre/bin/java.exe" and not simply "java.exe"? I suspect that is the issue with what is going on right now

[Kraysen]

The command I used is "java.exe -jar run.jar" because any other command does not recognize it in any way...If I use any other command string it does not recognize it. This command "jre/bin/java.exe -jar run.jar" it is not recognized in any way. I use the normal windows command window and not powershell.Unfortunately I can't do anything else ... I searched the internet any way to be able to make the pc recognize this string "jre/bin/java.exe -jar run.jar", but nothing..

[xx420blaze69]

that is super strange... im sorry, that is really strange. Your game installation directory should have a folder called jre, with a folder called bin, with java.exe inside it. If that isn't the case, the command will not work and the game probably won't work either.

when you type in the word "dir" into the command prompt, does it list the files in the root directory of the game, including Ultimate Coaster X.exe and run.jar?

if that doesn't work, i am stumped...

[Kraysen]

E:\SteamLibrary\steamapps\common\Ultimate Coaster X>dir
Il volume nell'unità E è HDD Secondario
Numero di serie del volume: 7839-A969

Directory di E:\SteamLibrary\steamapps\common\Ultimate Coaster X

30/04/2019 06:18 <DIR> .
30/04/2019 06:18 <DIR> ..
22/03/2019 05:03 114.011 concrete.png
22/03/2019 05:03 136 config.json
22/03/2019 05:03 <DIR> ground
22/03/2019 05:03 21.199 icon.png
22/03/2019 05:03 <DIR> jre
22/03/2019 05:03 14.654 largeText.fnt
22/03/2019 05:03 <DIR> lfont
22/03/2019 05:03 74.753 logo.png
23/04/2019 04:05 <DIR> model
30/04/2019 06:18 22.104.299 run.jar
27/04/2019 03:06 <DIR> saves
23/04/2019 04:05 <DIR> shader
22/03/2019 05:03 <DIR> sky
22/03/2019 05:03 <DIR> skybox
22/03/2019 05:03 19.959 smallText.fnt
22/03/2019 05:03 <DIR> sound
22/03/2019 05:03 6 steam_appid.txt
22/03/2019 05:03 <DIR> texture
23/04/2019 04:04 976.914 texture.png
23/04/2019 04:05 <DIR> tracktype
22/03/2019 05:03 <DIR> Tree
23/04/2019 04:05 <DIR> ui
22/03/2019 05:03 349.696 UltimateCoasterX.exe
23/04/2019 04:05 <DIR> workshopuploads
10 File 23.675.627 byte
16 Directory 236.462.350.336 byte disponibili

E:\SteamLibrary\steamapps\common\Ultimate Coaster X>