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I downloaded Barnski's lua plugin and I seem to have 2 problems with it.
1. I can't compile my project in release mode, while in Debug mode works thine.
2. How can I read a string from a file? I can read integers and floats, but not strings. Any ideas? I tried using lua::get_string("String_Variable_Here",layer1,256); but it doesn't work.

this will open C:test.txt and read 80 characters from it
i hope that is useful

Yes, I could do that myself, but I was interested in getting Lua to work with my engine. Thanks for trying though Hassan. My problem still remains the same, I can't compile my project in release mode, and I don't know how to use lua::get_string.

What are you referring to as a string ? .. do you mean std::string ? or a character array pointer(char*) ?

Im sorry ive not used that plugin for lua scripting so I cant tell you about it's methods specifically, but the way in which you deal with std::string, as opposed to c-style strings is different.

Can you post your code, or the parts that are giving you trouble ? Someone may be able to help more with some code to look at.

Seems the plugin only came with documentation for Dark Basic Pro. Now, the DarkBasic Pro syntax is string$=lua_string("Parameter") .
Now, in C++ using that plugin, you can retrieve an integer just like in DBPRO, like foe example:

Really easy, but, retrieving a string is slightly different I think.
Here's the code I'm using:

This compiles, but outputs this when I'm running my app:

Now, here's what it asks for:

Any ideas?

hmm, so thats a dark basic pro plugin that you are attempting to use in cpp ? ...

Im not exactly sure of the implementation differences but I can tell you that DBPro strings are not compatible in a 1:1 way with any for of string or character in C++ ..

The closes would be std:string I think.etc...

The other variables would work pretty well because most of the dbpro built in data types have a 1:1 equivelant in c++ that is capable of holding the value, so calling for a dbpro integer is the same as a c++ integer(mostly).

Here is the typedef for LPSTR :



Its basically a character array pointer. That means that it wont work at all like DBPro style strings.


In this line here :


You have a variable "test" having it's value assigned by "lua::get_string" .... what type is "test", how did you declare it ? Is it "char* test;" or "std::string test;" .....

Also, intellisense should tell you what the return type is for lua::get_string..

If this plugin is designed for DBPro, I think that you will be shooting yourself in the foot trying to use it in C++. There are a number of lua scripting class libraries that you can download online for C++.
If it is designed for GDK aswell, then I would have to guess that you are mis-using some data type somewhere...(it will run fine in debug because the debugger has a heap of extra imformation about how the program is "supposed" to run, that release mode doesnt have, the debugger also looks after memory while your program executes inside of it.)