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