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Access masks and exposing different interfaces

An application may need to expose different interfaces to different types of scripts, e.g. a game entity may only have access to specific set of functions, while the GUI script can have access to a completely different set of functions.

To accomplish this the application can set a bitmask while registering the interface, and then use that bitmask when building the scripts to determine what the scripts should or should not be able to access.

void ConfigureEngine(asIScriptEngine *engine)
// Register the interface available to script type 1
r = engine->RegisterGlobalFunction("void func1()", asFUNCTION(func1), asCALL_CDECL); assert( r >= 0 );
// Register the interface available to script type 2
r = engine->RegisterGlobalFunction("void func2()", asFUNCTION(func2), asCALL_CDECL); assert( r >= 0 );
// Register the interface available to both script types
r = engine->RegisterGlobalFunction("void func3()", asFUNCTION(func3), asCALL_CDECL); assert( r >= 0 );
int CompileScript(asIScriptEngine *engine, const char *script, int type)
int r;
CScriptBuilder builder;
r = builder.StartNewModule(engine, script);
if( r < 0 ) return r;
// Set the access mask for the module, which will
// determine the functions from the application
// interface that can be called
asIScriptModule *mod = builder.GetModule();
// Add the script section and build the script
r = builder.AddSectionFromFile(script);
if( r < 0 ) return r;
return builder.BuildModule();

The access mask can be defined for the following entities in the application interface: