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## What Renders each player's crown cosmetic in-game (follow-up to #4618). The crown **skins the first-place crown**: when the tile leader owns a crown cosmetic, their image replaces the default crown icon above their name — on the map name plate and in the hover overlay. Players without the cosmetic keep the default crown. The image pipeline follows custom flags: the server-resolved crown URL rides `PlayerStatic` into the GPU name pass and loads on demand into a runtime `TEXTURE_2D_ARRAY` (layers deduped by URL, square 128×128 cells). ## Changes **GL name pass** - `FlagAtlasArray` cell size is now a constructor parameter; a second instance holds crown images (square cells, no letterbox margins) - Per-player data texture widens 8 → 9 columns (`PLAYER_DATA_COLS`); column 8 carries the crown atlas layer - `status-icon.vert/frag.glsl`: status slot 0 (first-place crown) samples the crown atlas instead of the status atlas when the player has a crown cosmetic — same size and position as the default crown - `WebGLFrameBuilder.syncPlayers` resolves `cosmetics.crown.url` → `PlayerStatic.crown` **DOM** - `getPlayerIcons` swaps the first-place crown icon src for the cosmetic image (hover overlay) **Dev hook**: `localStorage.setItem("dev-crown", "<image url>")` forces a crown in singleplayer (mirrors `dev-pattern`) ## Verified Drove a headless solo game (real-GPU WebGL via ANGLE Metal) with the dev-crown hook, expanded until first place — the cosmetic replaces the default crown above the name on the map and in the hover overlay (default `CrownIcon.svg` absent, cosmetic present). 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
OpenFront.io is an online real-time strategy game focused on territorial control and alliance building. Players compete to expand their territory, build structures, and form strategic alliances in various maps based on real-world geography.
This is a fork/rewrite of WarFront.io. Credit to https://github.com/WarFrontIO.
License
OpenFront source code is licensed under the GNU Affero General Public License v3.0
Current copyright notices appear in:
- Footer: "© OpenFront and Contributors"
- Loading screen: "© OpenFront and Contributors"
Modified versions must preserve these notices in reasonably visible locations.
See the LICENSE for complete requirements.
For asset licensing, see LICENSE-ASSETS.
For license history, see LICENSING.md.
🌟 Features
- Real-time Strategy Gameplay: Expand your territory and engage in strategic battles
- Alliance System: Form alliances with other players for mutual defense
- Multiple Maps: Play across various geographical regions including Europe, Asia, Africa, and more
- Resource Management: Balance your expansion with defensive capabilities
- Cross-platform: Play in any modern web browser
📋 Prerequisites
- npm (v10.9.2 or higher)
- A modern web browser (Chrome, Firefox, Edge, etc.)
🚀 Installation
-
Clone the repository
git clone https://github.com/openfrontio/OpenFrontIO.git cd OpenFrontIO -
Install dependencies
npm run instDo NOT use
npm installnornpm ibut instead use ournpm run inst. It runs the safernpm ci --ignore-scriptsto install dependencies exactly according to the versions inpackage-lock.jsonand doesn't run scripts. This can prevent being hit by a supply chain attack.
🎮 Running the Game
Development Mode
Run both the client and server in development mode with live reloading:
npm run dev
This will:
- Start the webpack dev server for the client
- Launch the game server with development settings
- Open the game in your default browser (to disable this behavior, set
SKIP_BROWSER_OPEN=truein your environment)
Client Only
To run just the client with hot reloading:
npm run start:client
Server Only
To run just the server with development settings:
npm run start:server-dev
Connecting to staging or production backends
Sometimes it's useful to connect to production servers when replaying a game, testing user profiles, purchases, or login flow.
To replay a production game, make sure you're on the same commit that the game you want to replay was executed on, you can find the
gitCommitvalue viahttps://api.openfront.io/game/[gameId]. Unfinished games cannot be replayed on localhost.
To connect to staging api servers:
npm run dev:staging
To connect to production api servers:
npm run dev:prod
🛠️ Development Tools
-
Format code:
npm run format -
Lint code:
npm run lint -
Lint and fix code:
npm run lint:fix -
Testing
npm test
🏗️ Project Structure
/src/client- Frontend game client/src/core- Deterministic game simulation/src/server- Backend game server/resources- Static assets (images, maps, etc.)
🤝 Contributing
Contributions and translations are welcome! See CONTRIBUTING.md for the workflow, the approved-issue process, project governance, and translation info.