/* Do not remove the headers from this file! see /USAGE for more info. */

/*
** attributes.c -- provide attributes to an object's description
**
** Used internally to map flag values into attributes to display at the
** end of a description. For example: (open) or (providing light) (wielded)
*/

#include <flags.h>

/*
** The key is a flag value (see /include/flags.h) and the values are a
** string or an array of three strings.  For the first case, the string will
** be used if the flag is set. For the latter case: if the object responds
** TRUE to the function specified in the third string, then the first
** string (at index 0) will be used if the flag is off, and the second
** string will be used if the flag is on.
**
** This information is kept ONLY in the M_OBJ_ATTRIBUTES object.  It will
** be initialized by the various modules that need to have attributes
** displayed.  Each object will then use this information to display that
** data.
*/
private nosave mapping attribute_info = 0;

int test_flag(int);

//:FUNCTION get_attributes
// Get the attributes (a string) for the given object.  This will be
// built from the object's flag states and the registered attributes.
string get_attributes()
{
    string attr = " ";

    if (!attribute_info)
	attribute_info = ATTRIBUTES_D->get_global_attributes();
    
    foreach(int flag, mixed info in attribute_info)
    {
       if(test_flag(flag))
          attr += call_other(this_object(), info);
    }

    return attr;
}