castaway

The aim of this project is to provide a complete re-implemtation of the Johnny Castaway Screen Saver created by Dynamix (Sierra On-Line Subsidiary) using Javascript modules.

Live Demo

Check here the current development state

Purpose

Re-implementation of the Johnny Castaway Screen Saver;
Learn the Dynamix Game Development System (DGDS);
Document the files format used;
Dump tools using NodeJS Shell Script;
Focus on taking advantage of the modern web development languages and the usage of ES modules;
Have fun implementing it!!

Enhancements Roadmap

List of new features to add to Johnny Castaway experience:

Day/Night loop in 24h instead of 8h
Day/Night based on user location sunrise and sunset
Moving cloulds
Add waves like the static screen
Accelarate time
Tides based on user locations with real time coutry low tide info
Play Full Story Sequence
- Choose single activities to play
Number of full complete stories played worldwide
Total hours worldwide played
Statistics per Activity
- Total Jogging
- Fishing
- etc.
Extend festive days from the original - could be based on user location

Documents

Resource Index File Format

Usage

Create a "data" folder in the "src" directory and place the original files.

SCRANTIC.SCR
RESOURCE.MAP
RESOURCE.001

Install:

http-server (you can use "brew install http-server")

Run Johnny Castaway

Run this commands in the root folder:

cd src

http-server -c-1

open localhost:8080

Dump Resources

This application allows you to extract the resources of Johnny Castaway. A data/dump folder will be created when application is executed.

cd src

chmod +x ./dump.mjs

./dump.mjs

Spetial Thanks

Jérémie Guillaume (jno6809) for sharing his findings while developing Johnn Reborn (https://github.com/jno6809/jc_reborn)
Hans Milling (nivs1978) for publishing his C# attempt to remake Johnny Castaway (https://github.com/nivs1978/Johnny-Castaway-Open-Source)
Vasco Costa (vcosta) for his efforst in the DGDS ScummVM engine (https://github.com/vcosta/scummvm/tree/master/engines/dgds)

DGDS Viewer

I've create a DGDS Resource Viewer while I was building the initial version of castaway. I've then split it into its own project and it can be found here: https://github.com/xesf/dgds-viewer

xesf / castaway