item &inventory::add_item(item newit, bool keep_invlet, bool assign_invlet)
{
binned = false;
bool reuse_cached_letter = false;
// Avoid letters that have been manually assigned to other things.
if( !keep_invlet && g->u.assigned_invlet.count(newit.invlet) ) {
newit.invlet = '\0';
}
// Check how many stacks of this type already are in our inventory.
if(!keep_invlet && assign_invlet) {
// Do we have this item in our inventory favourites cache?
char temp_invlet = find_usable_cached_invlet(newit.typeId());
if( temp_invlet != 0 ) {
newit.invlet = temp_invlet;
reuse_cached_letter = true;
}
// If it's not in our cache and not a lowercase letter, try to give it a low letter.
if(!reuse_cached_letter && (newit.invlet < 'a' || newit.invlet > 'z')) {
assign_empty_invlet(newit);
}
// Make sure the assigned invlet doesn't exist already.
if(this == &g->u.inv && g->u.invlet_to_position(newit.invlet) != INT_MIN) {
assign_empty_invlet(newit);
}
}
// See if we can't stack this item.
for( auto &elem : items ) {
std::list<item>::iterator it_ref = elem.begin();
if( it_ref->stacks_with( newit ) ) {
if( it_ref->merge_charges( newit ) ) {
return *it_ref;
}
newit.invlet = it_ref->invlet;
elem.push_back( newit );
return elem.back();
} else if( keep_invlet && assign_invlet && it_ref->invlet == newit.invlet ) {
// If keep_invlet is true, we'll be forcing other items out of their current invlet.
assign_empty_invlet(*it_ref);
}
}
// Couldn't stack the item, proceed.
if(!reuse_cached_letter) {
update_cache_with_item(newit);
}
std::list<item> newstack;
newstack.push_back(newit);
items.push_back(newstack);
return items.back().back();
}
void inventory::update_invlet( item &newit, bool assign_invlet ) {
// Avoid letters that have been manually assigned to other things.
if( newit.invlet && assigned_invlet.find( newit.invlet ) != assigned_invlet.end() &&
assigned_invlet[newit.invlet] != newit.typeId() ) {
newit.invlet = '\0';
}
// Remove letters that are not in the favorites cache
if( newit.invlet ) {
auto invlet_list_iter = invlet_cache.find( newit.typeId() );
bool found = false;
if( invlet_list_iter != invlet_cache.end() ) {
auto &invlet_list = invlet_list_iter->second;
found = std::find( invlet_list.begin(), invlet_list.end(), newit.invlet ) != invlet_list.end();
}
if( !found ) {
newit.invlet = '\0';
}
}
// Remove letters that have been assigned to other items in the inventory
if( newit.invlet ) {
char tmp_invlet = newit.invlet;
newit.invlet = '\0';
if( g->u.invlet_to_position( tmp_invlet ) == INT_MIN ) {
newit.invlet = tmp_invlet;
}
}
if( assign_invlet ) {
// Assign a cached letter to the item
if( !newit.invlet ) {
newit.invlet = find_usable_cached_invlet( newit.typeId() );
}
// Give the item an invlet if it has none
if( !newit.invlet ) {
assign_empty_invlet( newit, g->u );
}
}
}
void inventory::update_invlet( item &newit, bool assign_invlet )
{
// Avoid letters that have been manually assigned to other things.
if( newit.invlet && assigned_invlet.find( newit.invlet ) != assigned_invlet.end() &&
assigned_invlet[newit.invlet] != newit.typeId() ) {
newit.invlet = '\0';
}
// Remove letters that are not in the favorites cache
if( newit.invlet ) {
if( !invlet_cache.contains( newit.invlet, newit.typeId() ) ) {
newit.invlet = '\0';
}
}
// Remove letters that have been assigned to other items in the inventory
if( newit.invlet ) {
char tmp_invlet = newit.invlet;
newit.invlet = '\0';
if( g->u.invlet_to_position( tmp_invlet ) == INT_MIN ) {
newit.invlet = tmp_invlet;
}
}
if( assign_invlet ) {
// Assign a cached letter to the item
if( !newit.invlet ) {
newit.invlet = find_usable_cached_invlet( newit.typeId() );
}
// Give the item an invlet if it has none
if( !newit.invlet ) {
assign_empty_invlet( newit, g->u );
}
}
}