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Angelscript copy constructor crash

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I'm learning how to bind C++ classes to Angelscript, but I've run into a problem, when adding a copy constructor to a class, the application crashes. I'm pretty sure that I'm doing something wrong because I can't seem to find an example on how to do this properly.


The class I'm registering is a simple 3D vector with 3 floats (x,y,z).


The class registration:

int r = engine->RegisterObjectType("vec3f", sizeof(vec3f), asOBJ_VALUE | asOBJ_APP_CLASS_CDAK);


copy constructor registration:

r = engine->RegisterObjectBehaviour("vec3f", asBEHAVE_CONSTRUCT, "void f(const vec3f &in)", asFUNCTION(vec3fCopyConstructor), asCALL_CDECL_OBJLAST);


the function 'vec3fCopyConstructor':

void vec3fCopyConstructor(void *memory, const vec3f& other)
	new(memory) vec3f(other);


Thanks a lot in advance for any help,


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Hi assainator,


The problem is because you inverted the order of the arguments to the vec3fCopyConstructor. You registered it with asCALL_CDECL_OBJLAST, but the object pointer (in your case memory) is the first argument. 


Either change the order of the arguments, or change the calling convention to asCALL_CDECL_OBJFIRST. :)


If you want an example to follow I suggest you take a look at the script math complex add-on that you'll find in the folder sdk/add_on/scriptmath/





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