static VisitResponse visit_internal( const std::function<VisitResponse( item *, item * )> &func,
item *node, item *parent = nullptr )
{
switch( func( node, parent ) ) {
case VisitResponse::ABORT:
return VisitResponse::ABORT;
case VisitResponse::NEXT:
if( node->is_gun() || node->is_magazine() ) {
// content of guns and magazines are accessible only via their specific accessors
return VisitResponse::NEXT;
}
for( auto &e : node->contents ) {
if( visit_internal( func, &e, node ) == VisitResponse::ABORT ) {
return VisitResponse::ABORT;
}
}
/* intentional fallthrough */
case VisitResponse::SKIP:
return VisitResponse::NEXT;
}
/* never reached but suppresses GCC warning */
return VisitResponse::ABORT;
}
VisitResponse visitable<Character>::visit_items(
const std::function<VisitResponse( item *, item * )> &func )
{
auto ch = static_cast<Character *>( this );
if( !ch->weapon.is_null() &&
visit_internal( func, &ch->weapon ) == VisitResponse::ABORT ) {
return VisitResponse::ABORT;
}
for( auto &e : ch->worn ) {
if( visit_internal( func, &e ) == VisitResponse::ABORT ) {
return VisitResponse::ABORT;
}
}
return ch->inv.visit_items( func );
}
VisitResponse visitable<vehicle_cursor>::visit_items(
const std::function<VisitResponse( item *, item * )> &func )
{
auto self = static_cast<vehicle_cursor *>( this );
for( auto &e : self->veh.get_items( self->part ) ) {
if( visit_internal( func, &e ) == VisitResponse::ABORT ) {
return VisitResponse::ABORT;
}
}
return VisitResponse::NEXT;
}
VisitResponse visitable<map_cursor>::visit_items(
const std::function<VisitResponse( item *, item * )> &func )
{
auto cur = static_cast<map_cursor *>( this );
for( auto &e : g->m.i_at( *cur ) ) {
if( visit_internal( func, &e ) == VisitResponse::ABORT ) {
return VisitResponse::ABORT;
}
}
return VisitResponse::NEXT;
}
VisitResponse visitable<inventory>::visit_items(
const std::function<VisitResponse( item *, item * )> &func )
{
auto inv = static_cast<inventory *>( this );
for( auto &stack : inv->items ) {
for( auto &it : stack ) {
if( visit_internal( func, &it ) == VisitResponse::ABORT ) {
return VisitResponse::ABORT;
}
}
}
return VisitResponse::NEXT;
}
VisitResponse visitable<vehicle_cursor>::visit_items(
const std::function<VisitResponse( item *, item * )> &func )
{
auto self = static_cast<vehicle_cursor *>( this );
int idx = self->veh.part_with_feature( self->part, "CARGO" );
if( idx >= 0 ) {
for( auto &e : self->veh.get_items( idx ) ) {
if( visit_internal( func, &e ) == VisitResponse::ABORT ) {
return VisitResponse::ABORT;
}
}
}
return VisitResponse::NEXT;
}
VisitResponse visitable<map_cursor>::visit_items(
const std::function<VisitResponse( item *, item * )> &func )
{
auto cur = static_cast<map_cursor *>( this );
// skip inaccessible items
if( g->m.has_flag( "SEALED", *cur ) ) {
return VisitResponse::NEXT;
}
for( auto &e : g->m.i_at( *cur ) ) {
if( visit_internal( func, &e ) == VisitResponse::ABORT ) {
return VisitResponse::ABORT;
}
}
return VisitResponse::NEXT;
}
VisitResponse visitable<item>::visit_items(
const std::function<VisitResponse( item *, item * )> &func )
{
auto it = static_cast<item *>( this );
return visit_internal( func, it );
}