BUG hunting thread

Install & setup problems, application questions and other nasty things ;)

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MetalBeast
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BUG hunting thread

Postby MetalBeast » Fri Oct 19, 2007 1:58 pm

Dear D2X-XL friends,

you certainly have noticed some annoying bugs in D2X-XL since renderpath 1 has arrived.

Diedel can not reproduce them on his system, so it is difficult for him to localize the problems.

My intention with this thread is to collect information to help with understanding any problems and localize their cause in the source code.

This thred is not a bug reporting thread!

If you find new bugs post them in SF.net, if they are not already listed there.

You can ask aus-red5, diedel or me to add your bug to the hunting thread, just send an email or pm.


POSTING RULES FOR THIS THREAD:
=======================

1. Plese post only screenshots, configs, written descriptions of the bugs listed here, other postings will be deleted! (always add the tracker id of your related ticket from sf.net to your posting)
2. Please always post your hardware-configuration (processor, RAM, graphics card, VRAM, driver versions)
3. Add your system configuration (OS, service packs etc.)
4. Explain with which D2x-XL settings this bug occurs on your system (d2x.ini settings, important game options like render path, lighting style, level name, level area)


BUG LIST FOR HUNTING (WANTED; DEAD OR ALIVE ;) ):
=====================================

- 1815634 win 1.11.10 Textures with gaps translucent when backlit
- 1816206 Wrong color-palette with descent 1
- 1816207 Projectiles translucence disapearing
- 1816212 can't shot through grates
- 1816214 seeing through walls
- 1816385 walls-animation doesn't work, is too fast
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- 1815634 win 1.11.10 Textures with gaps translucent ...

Postby MetalBeast » Fri Oct 19, 2007 2:25 pm

Hardware:
========
AMD Turion 64 X2 Mobile 1 Ghz
2 Gb RAM
Nvidia gforce 7600 256 Mb VRAM

Operatin System:
============
Windows XP SP2

D2X-XL settings:
===========
renderpath 0

[klick on small picture to see big version]

ImageImage
ImageImage
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- 1816206 Wrong color-palette with descent 1

Postby MetalBeast » Fri Oct 19, 2007 2:33 pm

Hardware:
========
AMD Turion 64 X2 Mobile 1 Ghz
2 Gb RAM
Nvidia gforce 7600 256 Mb VRAM

Operatin System:
============
Windows XP SP2

D2X-XL settings:
===========
renderpath 0

Bug-description:
===========

- green flares and bad flackering lights
- messed up HUD, robot-skins, powerups, walls

[klick on small picture to see big version]

ImageImage
Image
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- 1816207 Projectiles translucence disapearing

Postby MetalBeast » Fri Oct 19, 2007 2:40 pm

Hardware:
========
AMD Turion 64 X2 Mobile 1 Ghz
2 Gb RAM
Nvidia gforce 7600 256 Mb VRAM

Operatin System:
============
Windows XP SP2

D2X-XL settings:
===========
renderpath 0 / renderpath 1

Bug-description:
===========

Laser- / flare-shots are lossing translucence looking like colored tubes.

[klick on small picture to see big version]


ImageImage
ImageImage
Last edited by MetalBeast on Fri Oct 19, 2007 3:38 pm, edited 1 time in total.
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- 1816212 can't shot through grates

Postby MetalBeast » Fri Oct 19, 2007 2:46 pm

Hardware:
========
AMD Turion 64 X2 Mobile 1 Ghz
2 Gb RAM
Nvidia gforce 7600 256 Mb VRAM

Operatin System:
============
Windows XP SP2

D2X-XL settings:
===========
renderpath 0 / renderpath 1

bug-description:
===========
shooting through grates does not work anymore.


[klick on small picture to see big version]

ImageImage
Last edited by MetalBeast on Fri Oct 19, 2007 3:37 pm, edited 1 time in total.
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Postby karx11erx » Fri Oct 19, 2007 3:03 pm

All bugs so far happen with the old render path. Why the heck don't you use the new one? :think:

Anyway - Laser/flare translucency: Depending on whether additive blending for weapons is enabled, they make look close to opaque. If you examine the image very closely, you will however notice some of the floor's structure below the flare in the flare. Additive rendering adds the flare to the floor, hence it looks very bright and almost opaque. This is however intended and generally looks better than the alpha blending used w/o additive blending.
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Postby MetalBeast » Fri Oct 19, 2007 3:37 pm

karx11erx wrote:All bugs so far happen with the old render path. Why the heck don't you use the new one? :think:

Anyway - Laser/flare translucency: Depending on whether additive blending for weapons is enabled, they make look close to opaque. If you examine the image very closely, you will however notice some of the floor's structure below the flare in the flare. Additive rendering adds the flare to the floor, hence it looks very bright and almost opaque. This is however intended and generally looks better than the alpha blending used w/o additive blending.


With renderpath 1, the walls disapears completly and the lasershot/flare bug is also present there. I will correct my postings.

I can not agree, the additive blending is looking better, because it makes the surfaces bad flackering and be opaque frequently.
It's looking weird and is really annoying.
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Postby karx11erx » Fri Oct 19, 2007 4:06 pm

You just have never seen it working.

Bloody NVidia drivers. No problems with ATI here.
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Postby MetalBeast » Fri Oct 19, 2007 4:58 pm

karx11erx wrote:You just have never seen it working.

Bloody NVidia drivers. No problems with ATI here.


It may be, but you can not make a game for one graphic-card type only ;)

Here I made some videos, so you can see, why I'm really annoyed about these new bugs:

Renderpath 0:
=========
http://myfreefilehosting.com/f/4222bacb3f_21.86MB

Renderpath 1 (which got really worse for me)
=============================
http://myfreefilehosting.com/f/5a5a235f4b_15.51MB
Last edited by MetalBeast on Fri Oct 19, 2007 5:07 pm, edited 1 time in total.
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Postby karx11erx » Fri Oct 19, 2007 5:01 pm

I don't need a video, and know already that you are annoyed.

You can pay me an NVidia card to help me in debugging (8800 GTS 640 MB would be ok :P).

Hey guys, c'mon, donate something to a poor starving game programmer! :D
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Postby MetalBeast » Fri Oct 19, 2007 5:23 pm

Hehe, I can send you my old PC with nvidia card ;)


The problems are definitivelly not driver related.
Version 1.10.24 of d2x-xl is working very fine for me. No graphical bugs.

The problems started with 1.10.25 which added optional additive blending for coronas
and are in every version since this one.

Anyway you should look at the videos, maybe they can help you to localise the problem-cause.
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Postby karx11erx » Fri Oct 19, 2007 5:41 pm

Sorry, you are wrong. Certain features can have different ways of processing depending on driver and hardware even if the results are looking identlical.

It could e.g. be that ATI drivers are more tolerant towards (faulty) changing of certain OpenGL states than NVidia drivers.
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Postby Aus-RED-5 » Sat Oct 20, 2007 4:13 pm

Zombie, are you still getting those bugs in v1.10.14?
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Postby MetalBeast » Sat Oct 20, 2007 11:53 pm

Aus-RED-5 wrote:Zombie, are you still getting those bugs in v1.10.14?


Hmmm, there is something weird, I found now about settings stored in d2x-xl player-file.

I tested the 1.11.15, and had the same graphic-problems like posted in bug-report.

I thought "it could not be!, there is something very wrong!"

So, I started to analyse logically, what could be the cause of this problem, if it's possible not the game code alone.

So I deleted the player-profile-autoload in d2x.ini and made new player:

What now happened was blowing my mind. ;)
============================

- my screen was black, i was able to see only lasershots and some walllights :roll:
- i was unable to move, so I tried to configure my controls. it was not possible to configure mouse-view , after some tries the game crashed to desktop

I started the game again
-----------------------------
- continued to configure my controls, now I was able to configure my mouse :?
- Started a level, SUPRISE, I can see the walls now, total overbrighted, but I can see them ;)
- tried to shot, all semms to be ok.
- tried to fire a rocket, weird effect, the smoke is very dense an looks like squared grates ? ;), after third rocket the game is crashed to desktop again , LOL

Third try.
--------------------
- started the game
- same effect, squared smoke, looks like this:
Image

- after this, I tried to move forward, the game crashed to desktop.


===========

So I assume:
----------------
there is something weird with settings stored in player-file.
If you make a new player, some setting are not set correctly, or they are not set anyway, maybe set to nothing.
This seems to confuse the game-engine and lead it to produce very weird bugs and problems, which can not be reproduced by another people.
Depend on, how old is your player profile an which settings are set correctly.

I hope this help Diedel to localize the problem core, which seems to be in settings stored in player-file ;)

P.S. You can reproduce this, just create a new profile and try to play the game ;)
I bet, it will be impossible :D

P.S.II:
I can do, what I want, i tried to use default-settings, satndard and expert mode, tried to set every option.
Nothing helps, the game look good now with the new profile(np lasershot bug), but crashes to desktop after few seconds...
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Postby karx11erx » Sun Oct 21, 2007 12:58 am

I will look into that.

One thing: Turn lightnings off for the time being.

The dark levels are caused by the light range being set to the lowest value when creating a new player profile (will be fixed).

Some test code caused crashes when creating new players (fixed).

Apart from that I had none of these problems with a new player file.

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