New expression evaluator being tested in WebPlayer

[alexwarren]

Heads up, I have enabled NCalc on the Quest Viva WebPlayer. This is a replacement for FLEE, which was previously used for evaluating expressions. Basically, every parameter to a script command is an expression that gets evaluated, so this is potentially a very big change.

However, this should behave completely identically, and I've done a bunch of testing to verify that's the case. However, there's always the chance that something will break.

So, if you happen to notice a game behaving differently online, please let me know.

If you want to compare, then on any play.textadventures.co.uk URL you can add &ncalc=false to load the game using the old expression evaluator. The browser console also tells you if NCalc is enabled or not - you'll see NCalc: True or NCalc: False.

[alexwarren]

Update - the NCalc experiment was successful, and there were a few deployments to fix errors that I saw in production.

The most recent WebPlayer build removes the ncalc URL override - the old expression evaluator FLEE has been removed from the code.

This means if you're seeing anything weird and want to test the previous expression engine, you'll need to either:

• use the Quest 5 downloadable Windows app
• run the Quest Viva WebPlayer Docker image with a version 6.0.0-beta.24 or earlier