bool InventoryItem::Merge(InventoryItemRef to_merge, int32 qty, bool notify) {
if(typeID() != to_merge->typeID()) {
_log(ITEM__ERROR, "%s (%u): Asked to merge with %s (%u).", itemName().c_str(), itemID(), to_merge->itemName().c_str(), to_merge->itemID());
return false;
}
if(locationID() != to_merge->locationID() || flag() != to_merge->flag()) {
_log(ITEM__ERROR, "%s (%u) in location %u, flag %u: Asked to merge with item %u in location %u, flag %u.", itemName().c_str(), itemID(), locationID(), flag(), to_merge->itemID(), to_merge->locationID(), to_merge->flag());
return false;
}
if(qty == 0)
qty = to_merge->quantity();
if(qty <= 0) {
_log(ITEM__ERROR, "%s (%u): Asked to merge with %d units of item %u.", itemName().c_str(), itemID(), qty, to_merge->itemID());
return false;
}
if(!AlterQuantity(qty, notify)) {
_log(ITEM__ERROR, "%s (%u): Failed to add quantity %d.", itemName().c_str(), itemID(), qty);
return false;
}
if(qty == to_merge->quantity()) {
to_merge->Delete();
} else if(!to_merge->AlterQuantity(-qty, notify)) {
_log(ITEM__ERROR, "%s (%u): Failed to remove quantity %d.", to_merge->itemName().c_str(), to_merge->itemID(), qty);
return false;
}
return true;
}
bool Ship::AlterCargoQty(InventoryItemRef item, int qtyChange)
{
// Make sure we actually contain this item!
if (!Contains(item->itemID()))
{
// We don't contain it, sorry!
return false;
}
// Calculate total volume needed.
double volumeNeed = item->getAttribute(AttrVolume).get_float() * qtyChange;
// Get remaining volume.
double remain = GetRemainingCapacity(item->flag());
if (remain >= volumeNeed)
{
// We have enough space remaining, add the items.
item->AlterQuantity(qtyChange);
// Adjust the remaining volume.
_IncreaseCargoHoldsUsedVolume(item->flag(), volumeNeed);
return true;
}
return false;
}
