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- Python Redefine FAQ
- Q: So, what is Ctrl-C-Ctrl-V?
- A: Since Python is an interpreted language, you can redefine code on the
- fly. Lets say you have a class method that creates and plays a sword slash
- interval, carefully timing an animation, a particle effect, and a sound
- effect. If you could tweak the timing and properties of this interval in
- your code and magically hit a hotkey to see the change immediately in-game,
- it would cut your iteration time from a 5 minute restart down to 1
- second. ctrl-c-ctrl-v is that magic hotkey. Of course it works on arbitrary
- Python classes, not just intervals. If you are show-coding in Emacs, you
- really should try it -- it can save you lots of time!
- Q: How do I use it?
- A: In your Emacs buffer within your class definition, make a change to a
- function and hit control-c-control-v. This will redefine the function, and
- in fact the entire class and thus all objects that are defined by that
- class. Some feedback will be printed out at the Python prompt.
- Q: Does it only work in Emacs?
- A: Yes, unfortunately it only works from inside Emacs right now, but it can
- probably be adapted to any scriptable editor. Most of the code is in
- Python, not in emacs (lisp). Ask if you are curious about getting this
- working in your favorite editor.
-
- Q: Can I redefine code on the client and the AI?
- A: If you are using multi-python Emacs buffers, it will actually redefine
- this class on the AI, Uberdog, and client simultaneously. Otherwise, you
- must control-c-control-v from the Emacs where you are running the process
- you want the class redefined in. Note, if the class does not exist on the
- AI or client, it will safely ignore.
- Q: What about systems that store function callbacks?
- A: The common systems that store function callbacks are properly searched
- and replaced when you control-c-control-v. This includes the TaskManager,
- FunctionIntervals (new), ClassicFSMs, the Messenger, and DistributedObject
- dc updates. If you are storing a function pointer in your own code ad hoc,
- the Finder will not currently replace that; though I could imagine a brute
- force way to find those too.
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