Files
dotcom-arcade/streaming/streamer/README.md
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branderson dca48bce51 Run applets that use LiveConnect or load images through the proxy
appletviewer has no netscape.javascript.JSObject, so applets that touch
JavaScript fail to load, and Java 8 denies applets the URLPermission they
need to fetch through an HTTP proxy. Add a JSObject stand-in with a working
document.cookie and a policy granting HTTP URL access.
2026-10-11 00:07:06 -07:00

1.6 KiB

Flashpoint streamer (prototype)

Runs a Flashpoint game natively on the server and streams it to the browser with Selkies, for platforms that cannot run in a browser. One container plays one game, set by GAME_ID. Only Java applets are supported so far.

Requirements

A Linux Flashpoint install at FLASHPOINT_HOST_PATH. The streamer uses the Infinity build's Server/FlashpointGameServer and FPSoftware/Java, which Ultimate's packed zips do not include on Linux. To add them to an extracted Ultimate without overwriting its data, copy an extracted Infinity for Linux over it:

rsync -a --ignore-existing /path/to/infinity/ /path/to/flashpoint/

Usage

FLASHPOINT_HOST_PATH=/path/to/flashpoint docker compose up -d --build

Open https://<host>:3001 and accept the self-signed certificate. To play a different game, set GAME_ID and recreate the container. The launch log is at /config/fp-launch.log inside the container.

How it works

fp-launch follows the Flashpoint launcher's Linux launch sequence: it starts the game server, mounts the game's zip through the server's mountzip API, and runs the game's application with its HTTP proxy pointed at the game server. Selkies restarts the game when it exits (RESTART_APP).

appletviewer lacks two things applets got from the browser's Java plugin, so the image adds them: a netscape.javascript.JSObject stand-in (jsobject/) whose window has a working document.cookie, and a policy allowing HTTP requests through the game server's proxy.