Make a graphical representation of the game outcome

[trickytank]

May be able to put this in a Shiny app too, with the code in a text box.
Will attempt this after the intermediate levels are implemented so I have a good idea of what the graphics engine will require.

[trickytank]

The nara package by Mike Cheng @coolbutuseless might be useful here. Maybe he'd even be interested in a collaboration or code review?
https://github.com/coolbutuseless/nara

[trickytank]

The plan is to rewrite the package to create a new R6 class that represents the game level and/or tower. From this, there will be a next_event or next_turn (or similar) method that returns an objects describing the next event or turn. Not sure whether it's best to break this down into a single event or turn (I'm leaning towards an event). An event may also be simply progressing to the next turn.

Other fields may be:

• current score
• warrior object
• (others, update the list as necessary)

The text-based version of R Warrior will be rewritten to use this game object, so that changes in the text output do not affect possible graphical representations.

Maybe game objects need unique (within the game) identifiers to help the graphics engine?

[trickytank]

Game graphics will likely lie in a different package due to licensing, as a creative commons licence will be more suitable. This will also allow different game skins to be easily used.

For example, add an option to play_warrior(..., graphics = NULL), where a NULL value means the built in text version, and otherwise can call a function in another package that renders the graphics. This might be necessary while nara isn't on CRAN.

I'm not sure where to get the graphics from. Initially I'm going to make some terrible placeholder graphics I make myself, but will see if there is an artist that would like to contribute to an open-source project. I would consider compensating the right artist. There was a graphical representation of Ruby Warrior that doesn't seem to exist anymore, but if I can find it I can see what licence those graphics were under.