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README-3D-SOUND.md

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3D Sound (DSOAL w/ OpenAL Soft)

Included 3D Sound Versions

OpenAL Soft (dsoal-aldrv.dll)

  • Commit: 622ee190efff
  • Commit Date: 2023-04-30-0353
  • Build Date : 2023-04-30-1629

DSOAL (dsound.dll)

  • Commit: 52224b17832f
  • Commit Date: 2023-04-05-1035
  • Build Date : 2023-04-30-1629

Requirements

  • Visual C++ 2015 - 2022 Redistributable (x86)

Description (Video)

These files will allow you to enable the following in-game settings: 3D Sound, Environmental Effects, and 3D Bias. This fix is equivalent to restoring lost game functionality caused by modern hardware no longer natively supporting these features (Such as Diablo II's Glide support requiring the use of a glide wrapper to enable the 3DFX (Voodoo) card's effects like Perspective mode). In this instance, the lost settings were originally provided by Creative Sound cards like Sound Blaster.

Have fun listening and playing with these amazing, and practically lost features. This works for all versions of Diablo II. No Diablo II files are required to be modified for this to work, it's an additive only change just like using the ddraw.dll for cnc-ddraw, and can be used on Vanilla Diablo II.

The Cactus default installation already includes these two files and you simply need to enable the options you want in game.

Screenshot

Sound Settings

Wine (Tested on Linux)

Follow the Wine (Tested on Linux) section in the README-RENDERERS file for instructions on how to do this, but add dsound to the list rather than ddraw.

Notes

VCRUNTIME140.dll error when starting

If you get this error when starting the game, this means you haven't installed the Visual C++ 2015 - 2022 Redistributable (x86) as written in the Cactus installation documentation. Please install it and try again.

Crash on startup when using -ns and dsound.dll

Error

There's a bug with Diablo II where if you start the game with -ns and you are using the dsound.dll, the game will crash with an ACCESS_VIOLATION (c0000005) error. Simply remove the -ns when starting with the 3D sound system and everything should work. Alternatively, you can rename the dsound.dll to something else and then you'll be able to use -ns but you will lose 3D Sound.

This issue doesn't affect users that are using Singling since Singling actually skips the introduction cinematics completely, which coincidentally also skips the sound issue altogether.

This bug also doesn't seem to be a DSOAL issue since I was only able to get debug logs from DSOAL when -ns wasn't used, which indicates that Diablo II itself had an issue starting up the sound system in the first place.