[angelscript] Re: One-time compile
- From: "Andreas Jonsson" <angelcode@xxxxxxx>
- To: angelscript@xxxxxxxxxxxxx
- Date: Wed, 03 Mar 2004 19:14:46 +0000
I think that you will find the compilation speed quite adequate. Unless you=
compile scripts each frame I don't think you'll even notice the time it =
takes.=20
You would best protect the script code using encryption instead of relying =
of compiled byte code. With the source code for AngelScript anyone can ea=
sily write a decompiler to see and modify your code. One encryption algor=
ithm that I particularly like is the TEA. I have some sample code showing=
how to encrypt and decrypt data with it here:=20
http://www.angelcode.com/dev/tea/
Of course there are still reasons for wanting precompiled bytecode, such as=
file size for example. Saving and loading compiled byte code will be imp=
lemented one day (by me or another programmer), but it is not very high o=
n my priority list at the moment.
Regards,
Andreas J=F6nsson
www.AngelCode.com
-----Original Message-----
From: Dennis Bollyn <gyrbo@xxxxxxxxx>
To: angelscript@xxxxxxxxxxxxx
Date: Wed, 3 Mar 2004 10:35:30 -0800 (PST)
Subject: [angelscript] Re: One-time compile
If someone is already working on this, I doubt I could contribute much.
I'm going to use AngelScript for pretty much all scripting for a game. The =
funny thing is that the
current working name is AngelScreams :). The main reason for compilation (b=
esides speed) for me is
to hide the actual source and prevent users from modifying scripts.
Thanks for such a nice scripting language, I was about to use tcl until I f=
ound this.
--- Andreas Jonsson <angelcode@xxxxxxx> wrote:
> It is being worked on by another programmer, and if his solution works to=
m=3D
> y liking I will include it in AngelScript. However, if you are interested=
=3D
> in trying as well that would be ok. Perhaps you and the other programmer=
=3D
> (if he wishes to) can share some ideas or work together.
>=20
> For it to work you would have to save the script functions stored in the =
en=3D
> gine, and also the system function declarations registered by the applica=
=3D
> tion so that at a later time the configuration can be compared with the a=
=3D
> ctual configuration at load time. I think it would be suficient to make a=
=3D
> simple check to see if the system functions have been declared in the sa=
=3D
> me order (so that call indexes match), and if not the load fails. A more =
=3D
> advanced load could try and reorder the call indexes and perhaps check fo=
=3D
> r missing functions.
>=20
> Regards,
> Andreas Jonsson
> Author of AngelScript
> www.AngelCode.com
>=20
> -----Original Message-----
> From: Dennis Bollyn <gyrbo@xxxxxxxxx>
> To: angelscript@xxxxxxxxxxxxx
> Date: Wed, 3 Mar 2004 08:38:02 -0800 (PST)
> Subject: [angelscript] One-time compile
>=20
> Are there are plans for a seperate compiler? Instead of compiling at runt=
im=3D
> e, you would compile
> the script beforehand and only execute the remaining bytecode.
>=20
> I have tried looking at the source, but it seems very complex to me. I'm =
gu=3D
> essing
> asCScriptEngine::scriptFunctions has to be dumped to a file?
>=20
> I'm willing to work on this, but I need some pointers as where to start.
>
> Thank you,
> Dennis Bollyn
>
> =3D3D=3D3D=3D3D=3D3D=3D3D
>
>
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