Troubles with luaAssets

[GoogleCodeExporter]

Convert some flixel example to Lua Alchemy? (Or write new one)

Original issue reported on code.google.com by aglad...@gmail.com on 11 May 2010 at 9:47

[GoogleCodeExporter]

Maybe port this one? http://github.com/AdamAtomic/EZPlatformer/tree/master/src/

Original comment by aglad...@gmail.com on 13 May 2010 at 10:26

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Hello,

I'm trying to integrate LuaAlchemy with Flixel but I get an error when trying 
to initialize Lua interpreter (I'm using the lua-alchemy-0.2.2.swc from this 
Google Code site). Please take a look at the code in this repository:

http://github.com/goshki/CrateCollector/blob/lua-alchemy-integration/src/main/ac
tionscript/pl/vigeo/test/MenuState.as

As you can see I try to initialize the LuaAlchemy when the I key is pressed:

if ( FlxG.keys.justPressed( "I" ) ) {
    initLua();
}

with such code:

private static function initLua():void {
    try {
        if ( lua ) {
            lua.close();
            lua = null;
        }
        lua = new LuaAlchemy();
        lua.setGlobal( "FlxG", FlxG );
    }
    catch ( error:Error ) {
        FlxG.log( "Lua init error:" + error );
    }
}

But when I press this key, I get the error as below:

ReferenceError: Error #1065: Variable luaAlchemy::LuaAssets__asset0 is not 
defined.

Every successive I keypress gives Error #1009.

I belive I'm making some mistake in the way I integrate LuaAlchemy into my 
project but I'm not sure what it can be. I'd be glad if you gave me any hint. 
:-)

Original comment by gos...@gmail.com on 21 Apr 2011 at 12:19

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What platform are you trying to do this on? (OS X / Linux / Windows?)

Original comment by aglad...@gmail.com on 21 Apr 2011 at 12:42

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Original comment by aglad...@gmail.com on 21 Apr 2011 at 12:42

• Added labels: Type-Enhancement
• Removed labels: Type-Defect

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I'm compiling on Linux using MXMLC from latest stable Flex SDK 4.1.0.16076. As 
of now, I've managed to get Lua interpretter running and executing code but 
only through plain lua_wrapper calls (as can be seen in test-cases in 
test/FluintLuaAlchemyTests/src/wrapperSuite/tests/TestAS3LuaInterface.as).

Original comment by gos...@gmail.com on 21 Apr 2011 at 1:13

[GoogleCodeExporter]

Also, please do not hijack tickets. I'm glad to help, but you really should 
have created a separate one for this issue. :-)

About the issue: try adding LuaAssets class. 

See 
https://github.com/lua-alchemy/lua-alchemy/blob/master/demo/MiniDemo/src/LuaAsse
ts.as

Note that in most of examples it is auto-generated

https://github.com/lua-alchemy/lua-alchemy/blob/master/demo/Rapid/build.xml#L74

It is rather strange that this error happens when you do not have this class. I 
will look into it more.

Original comment by aglad...@gmail.com on 21 Apr 2011 at 1:17

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Nope, looks like I'm wrong. Just built an LuaAssets-less demo without 
problems... Maybe there is something wrong with your build pipeline?

Do you use your build.sh or build with FlashBuilder?

Original comment by aglad...@gmail.com on 21 Apr 2011 at 1:55

[GoogleCodeExporter]

Sorry for hijacking the ticket. ;-)

I'm building with a bash script. It looks like this:

mxmlc -debug -warnings -strict -optimize -incremental 
-l+=../lua-alchemy/lua-alchemy-0.2.2/lua-alchemy-0.2.2.swc 
-sp=src/main/actionscript -sp+=../flixel/2.50-dev src/main/actionscript/Main.as

Original comment by gos...@gmail.com on 21 Apr 2011 at 2:02

[GoogleCodeExporter]

Unfortunately I'm not fluent with mxmlc command-line options... But I may try 
running this on my side if you send me dependency swcs  (you have a lot of them 
there...) or, better, a minimal example to reproduce

Meanwhile, please try building with attached swc. Note that it is from the 
development version 
(https://github.com/lua-alchemy/lua-alchemy/blob/ag%2Fprimitive-autoconversion/H
ISTORY), couple of things changed, but you should not be affected by them.

Original comment by aglad...@gmail.com on 21 Apr 2011 at 2:59

[GoogleCodeExporter]

Original comment by aglad...@gmail.com on 21 Apr 2011 at 3:00

• Changed title: Troubles with luaAssets
• Added labels: Type-Defect
• Removed labels: Type-Enhancement

[GoogleCodeExporter]

Moved original ticket to #143

Original comment by aglad...@gmail.com on 21 Apr 2011 at 3:01

[GoogleCodeExporter]

Oops, forgot the attachment.

Original comment by aglad...@gmail.com on 21 Apr 2011 at 3:02

Attachments:

• lua-alchemy-v0.2.2-29-ga66c62d.swc

[GoogleCodeExporter]

Also, see new NoAssets demo, it may be helpful:

https://github.com/lua-alchemy/lua-alchemy/tree/ag%2Fprimitive-autoconversion/de
mo/NoAssets

Original comment by aglad...@gmail.com on 21 Apr 2011 at 3:06

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Unfortunately the attached SWC does not solve the problem. But until now I've 
managed to initialize LuaAlchemy with a little hack: in my source code I've 
overriden a file luaAlchemy.LuaAssets by creating the same file in the same 
package (so technically I've overriden luaAlchemy.LuaAssets from the 
lua-alchemy-0.2.2.swc). Then I got error about missing file 
builtin://lua_alchemy.lua, so I've addedd a .lua file under such path in my 
LuaAssets. That made LuaAlchemy finally initialize itself, but when I gave it a 
file using Lua Sugar it reported a campile error. Thus I belive there is some 
problem with LuaAssets class in the lua-alchemy-0.2.2.swc but I cannot confirm 
that yet. Apparently the builtin .lua files are somehow  inaccessible/invisible 
when compiling on Linux. This evening I'll try to compile it on Windows and 
I'll give you feedback.

Original comment by gos...@gmail.com on 21 Apr 2011 at 3:25

[GoogleCodeExporter]

Thank you for the feedback. The symptoms are really strange. I will poke around 
on my side as well, this should not happen.

Original comment by aglad...@gmail.com on 21 Apr 2011 at 3:30

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[deleted comment]

[GoogleCodeExporter]

I was able to reproduce the problem. Try adding 
-static-link-runtime-shared-libraries=true option to mxmlc and see if this 
helps.

Original comment by aglad...@gmail.com on 21 Apr 2011 at 3:44

[GoogleCodeExporter]

You were right, everything works now! Thank you very much and if you'd be 
interested I'd be glad to provide a Flixel/LuaAlchemy integration example, so 
this ticket is not hijacked anymore. :-)

Original comment by gos...@gmail.com on 21 Apr 2011 at 8:32

[GoogleCodeExporter]

I'm glad that worked.

I am interested, please do contribute! :-)

Original comment by aglad...@gmail.com on 21 Apr 2011 at 8:34

• Changed state: Fixed