Rev.ini — Css
The file’s purpose: to define , UI surface dimensions , and crucially, to attach stylesheets (CSS) to specific game panels .
In the sprawling archaeology of web development and game modification, few file fragments carry as much contextual baggage as Rev.ini . At first glance, it looks like a typo—perhaps a misplaced configuration file for a CSS preprocessor or a forgotten Node module. But for those who have dug into the source code of Source Engine games (like Garry’s Mod , Counter-Strike: Source , or Day of Defeat: Source ) or maintained legacy UI systems from the mid-2000s, Rev.ini is a potent artifact.
[Global] stylesheet="main.css" ; Default stylesheet for all panels default_font="Tahoma, 14" scale_to_screen=1 [Panel_Scoreboard] stylesheet="scoreboard.css" ; Override per-panel width=600 height=400 anchor="center" vars="scoreboard_vars.ini" ; Separate var injection Rev.ini Css
[Panel_HUD_Health] stylesheet="scripts/hud_health.css" vars="health_vars.txt" render_mode="blend" The referenced CSS file (e.g., hud_health.css ) uses a restricted syntax:
[Variables] health_color = "@(HealthPercentage > 50 ? green : red)" font_scale = "@(ScreenWidth / 1280)" Then in the CSS: The file’s purpose: to define , UI surface
/* hud_health.css - rev dialect */ HealthBar { position: absolute; left: 10px; top: 90%; width: 200px; height: 20px; background-color: rgba(200, 0, 0, 200); border: 1px solid white; material: "vgui/white_additive"; /* Non-standard extension */ scaling: proportional; } Notice material: —a property that loads a VGUI material file, something no browser supports. This is , not a document formatter. 2.2 Variable Injection via Rev.ini What makes Rev.ini genuinely powerful (and strange) is its ability to inject game state variables directly into CSS properties. Consider:
( scoreboard.css ):
This article dissects the Rev.ini CSS phenomenon: its origins, its non-standard relationship with CSS, how it acted as a bridge between game engines and web technologies, and what its decline tells us about the evolution of embedded UI frameworks. Rev.ini is not a native CSS file. It is an initialization file—typically written in INI (Initialization) format—used primarily by reVISION , a legacy UI system embedded within certain versions of the Source Engine (and a handful of other 2000s-era middleware).
[Panel_Scoreboard::Header] color="255,255,255" bg_tga="scoreboard_header.tga" But for those who have dug into the
In essence, Rev.ini acts as a manifest that tells the engine: “When you render panel HUD_Main , load hud_style.css , bind variables from config.cfg , and scale fonts by 1.2x.” Here lies the first major trap. The CSS referenced by Rev.ini is not W3C-compliant CSS in the modern sense. Instead, it’s a proprietary, subset implementation created by Valve Software (and later imitated by other engines). 2.1 The rev Dialect In a typical Rev.ini block, you might find:
