`s_musicvolume`

Base Jedi Academy

Music volume

At a glance

Field	Value
Default	`0.25`
Value type	`float`
Restart	No latch flag is registered.
Manually settable	Yes
Cheat protected	No
Network scope	`client-only`: Local to the client/UI/renderer.
Category	Audio & music
Module	`engine-client`
Renderer	All / not renderer-specific
Derivation	`documented`
Confidence	`high`
Added	2013-04-08 in `14cea1563` (how to compare this against your build)
In-game xdocs	No
In-game menu	Yes: ingame_setup.menu:4383, setup.menu:2453

Values

No discrete value list is enforced or documented in the inspected source.

Enforced ranges

0 through 1 (numeric; Cvar_CheckRange). Evidence: codemp/client/snd_dma.cpp:460

Flags

CVAR_ARCHIVE: saved to the user configuration

Provenance

Origin: Base Jedi Academy

Baseline evidence: 14cea1563762
Upstream registration evidence: code/client/snd_dma.cpp:430
Attribution method: present-in-openjk-initial-source-import
Attribution confidence: high
Notes: Identifier is present in OpenJK’s initial Raven source-import snapshot.

Later changes

These commits occur after the ultimate-origin introduction on TaystJK’s inherited first-parent lineage. Registration evidence is exact; behavior evidence requires a changed bound cvar reference or a changed registered command-handler hunk.

Date	Change source	Commit / subject	Evidence	Confidence
`2015-11-24`	EternalJK	`c8f6ea17a324` Remove SP code	Changed registration, default, flags, module, renderer scope, handler, or gating. `code/client/snd_dma.cpp`	`medium`
`2016-03-24`	EternalJK	`c9c6ab99fdd2` Merge branch ‘master’ of https://github.com/JACoders/OpenJK into japro	Changed registration, default, flags, module, renderer scope, handler, or gating. `codemp/client/snd_dma.cpp`	`medium`
`2018-05-24`	EternalJK	`097a0d05fa4e` Merge remote-tracking branch ‘bucky/master’	Changed registration, default, flags, module, renderer scope, handler, or gating; and an exact bound cvar-variable reference. `codemp/client/snd_dma.cpp`	`medium`
`2018-10-06`	EternalJK	`7a07bf3648c0` Optimize	Changed an exact bound cvar-variable reference. `codemp/client/snd_dma.cpp`	`medium`

Evidence

registration: codemp/client/snd_dma.cpp:459 (Cvar_Get)
behavior: codemp/client/snd_dma.cpp:615
behavior: codemp/client/snd_dma.cpp:617
behavior: codemp/client/snd_dma.cpp:616
behavior: codemp/client/snd_dma.cpp:618
behavior: codemp/client/snd_dma.cpp:4717

Generated from source commit c722804317d7 on 2026-09-28. Anything merged after that is not reflected here.