implement entrypoint patch for pre-classic

[SpaceWalkerRS]

Pre-classic does not use Applets and initialization is very basic so none of the existing patch methods successfully apply.

Pre-classic versions do not define a constructor (all fields are initializedi in-line), and the initialization looks something like this:

public void init() {
    // game initialization happens here
}

@Override
public void run() {
    try {
        this.init();
    } catch (...) {
        // log "Failed to start RubyDung"
    }
    // run the game
}

public static void main(String[] args) {
    new Thread(new RubyDung()).start();
}

The patch I ended up with was to check for the "Failed to start RubyDung" log message in run(), and if that is found, to patch the first method invoked in run(), which is init().

[Earthcomputer]

Regarding the todo, what actually is the run directory in pre-classic? If it's the working directory, then this can be new File(".") which would be better than null.

[SpaceWalkerRS]

If I'm remembering right the method that is invoked here checks for null values and replaces it with new File("."). The handling for Classic uses null as well so I decided to do the same for consistency.

[Earthcomputer]

Ah I see