ScriptEngine::ScriptEngine() {
    // Create the script engine
    m_engine = asCreateScriptEngine( ANGELSCRIPT_VERSION );

    int r = 0;
    // Set the message callback to receive information on errors in human readable form.
    // It's recommended to do this right after the creation of the engine, because if
    // some registration fails the engine may send valuable information to the message
    // stream.
    r = m_engine->SetMessageCallback(asFUNCTION(msgCallback), 0, asCALL_CDECL); assert( r >= 0 );

ScriptEngine::ScriptEngine() {    // Create the script engine    m_engine = asCreateScriptEngine( ANGELSCRIPT_VERSION );    int r = 0;    // Set the message callback to receive information on errors in human readable form.    // It's recommended to do this right after the creation of the engine, because if    // some registration fails the engine may send valuable information to the message    // stream.    r = m_engine->SetMessageCallback(asFUNCTION(msgCallback), 0, asCALL_CDECL); assert( r >= 0 );    m_engine->BeginConfigGroup( "Common" );    // AngelScript doesn't have a built-in string type, as there is no definite standard    // string type for C++ applications. Every developer is free to register it's own string type.    // The SDK do however provide a standard add-on for registering a string type, so it's not    // necessary to register your own string type if you don't want to.    RegisterScriptString( m_engine );    r = m_engine->RegisterObjectType("char", sizeof(char), asOBJ_VALUE | asOBJ_POD | asOBJ_APP_PRIMITIVE); assert( r >= 0 );    // Register the World    r = m_engine->RegisterObjectType("World", sizeof(World), asOBJ_REF ); assert( r >= 0 );    r = m_engine->RegisterObjectBehaviour("World", asBEHAVE_ADDREF, "void f()", asFUNCTION(DumbyAddRef), asCALL_CDECL_OBJFIRST); assert( r >= 0 );    r = m_engine->RegisterObjectBehaviour("World", asBEHAVE_RELEASE, "void f()", asFUNCTION(DumbyReleaseRef), asCALL_CDECL_OBJFIRST); assert( r >= 0 );