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valid_shadow

Discworld driver help

valid_shadow

Name

valid_shadow - controls which objects can be shadowed

Synopsis

int valid_shadow( object ob );

Description

When an object attempts to shadow `ob' (with the shadow() efun), valid_shadow in the master object is called. One object parameter is passed, which is the object that previous_object() is attempting to shadow. valid_shadow() should return 0 if the shadow should not be permitted, in which case the shadow() call will return 0 and fail. If valid_shadow() returns 1, the shadow is allowed.

See also

shadow(3), query_shadowing(3)