`com_legacyprotocol`

EternalJK

Needs review. The inventory/provenance evidence is recorded, but some behavior, options, or attribution still lacks a direct user-facing source.

Engine-managed. The game maintains this value itself, so it is not a setting to change by hand: it is read-only after registration (CVAR_ROM).

1.00 protocol

At a glance

Field	Value
Default	`va("%i", PROTOCOL_LEGACY)`
Value type	`int`
Restart	No latch flag is registered.
Manually settable	No; the game writes this value.
Cheat protected	No
Network scope	`client-only`: Local to the client/UI/renderer.
Category	Engine & diagnostics
Module	`engine-client`
Renderer	All / not renderer-specific
Derivation	`documented`
Confidence	`medium`
Added	2018-04-26 in `6107f5fbc` needs review (how to compare this against your build)
In-game xdocs	No
In-game menu	No

Values

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

Flags

CVAR_ROM: read-only after registration

Provenance

Origin: EternalJK

Ultimate-origin introduction: 6107f5fbcf59 in EternalJK (content authored 2018-04-26, integrated 2018-04-26)
Upstream registration evidence: codemp/client/cl_main.cpp:3250
Attribution method: shared-earliest-commit-lineage-order
Attribution confidence: medium
Notes: The earliest authored/submitted introduction is shared by eternaljk, taystjk, japro, vulkan; fork-lineage order selects eternaljk.

Dated project introductions

Authored dates come from the exact registration’s first content commit, PR dates identify when work was proposed to each project, and integration dates come from each first-parent mainline. A project merging first does not override earlier upstream authorship or submission.

Project	Authored	PR opened	Integrated	Commit	Relationship
EternalJK	`2018-04-26`	—	`2018-04-26`	`6107f5fbcf59`	Ultimate origin
TaystJK	`2018-04-26`	—	`2018-04-26`	`6107f5fbcf59`	Shared integration commit
jaPRO	`2018-04-26`	—	`2018-04-26`	`6107f5fbcf59`	Shared integration commit
Vulkan	`2018-04-26`	—	`2018-04-26`	`6107f5fbcf59`	Shared integration commit
NewJK / NewMod	`2018-04-26`	—	`2020-04-02`	`007750b49b3b`	Other project appearance

Evidence

registration: codemp/client/cl_main.cpp:3341 (Cvar_Get)
behavior: codemp/ui/ui_main.c:12393
behavior: codemp/ui/ui_main.c:12391
behavior: codemp/ui/ui_main.c:5587

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