#include "inventory.h"
#include "serialization.h"
#include "debug.h"
+#include <algorithm>
#include <sstream>
#include "log.h"
#include "itemdef.h"
void ItemStack::serialize(std::ostream &os) const
{
- DSTACK(FUNCTION_NAME);
-
- if(empty())
+ if (empty())
return;
// Check how many parts of the itemstring are needed
void ItemStack::deSerialize(std::istream &is, IItemDefManager *itemdef)
{
- DSTACK(FUNCTION_NAME);
-
clear();
// Read name
return os.str();
}
+std::string ItemStack::getDescription(IItemDefManager *itemdef) const
+{
+ std::string desc = metadata.getString("description");
+ if (desc.empty())
+ desc = getDefinition(itemdef).description;
+ return desc.empty() ? name : desc;
+}
+
ItemStack ItemStack::addItem(ItemStack newitem, IItemDefManager *itemdef)
{
// If this is an empty item, it's an easy job.
else if(empty())
{
- const u16 stackMax = newitem.getStackMax(itemdef);
-
*this = newitem;
-
- // If the item fits fully, delete it
- if (count <= stackMax) {
- newitem.clear();
- } else { // Else the item does not fit fully. Return the rest.
- count = stackMax;
- newitem.remove(count);
- }
+ newitem.clear();
}
// If item name or metadata differs, bail out
else if (name != newitem.name
// If this is an empty item, it's an easy job.
else if(empty())
{
- const u16 stackMax = newitem.getStackMax(itemdef);
-
- // If the item fits fully, delete it
- if (newitem.count <= stackMax) {
- newitem.clear();
- } else { // Else the item does not fit fully. Return the rest.
- newitem.remove(stackMax);
- }
+ newitem.clear();
}
// If item name or metadata differs, bail out
else if (name != newitem.name
if(restitem)
*restitem = newitem;
+
return newitem.empty();
}
m_items.emplace_back();
}
- //setDirty(true);
+ setModified();
}
void InventoryList::setSize(u32 newsize)
{
- if(newsize != m_items.size())
- m_items.resize(newsize);
+ if (newsize == m_items.size())
+ return;
+
+ m_items.resize(newsize);
m_size = newsize;
+ setModified();
}
void InventoryList::setWidth(u32 newwidth)
{
m_width = newwidth;
+ setModified();
}
void InventoryList::setName(const std::string &name)
{
m_name = name;
+ setModified();
}
-void InventoryList::serialize(std::ostream &os) const
+void InventoryList::serialize(std::ostream &os, bool incremental) const
{
//os.imbue(std::locale("C"));
os<<"Item ";
item.serialize(os);
}
+ // TODO: Implement this:
+ // if (!incremental || item.checkModified())
+ // os << "Keep";
os<<"\n";
}
void InventoryList::deSerialize(std::istream &is)
{
//is.imbue(std::locale("C"));
+ setModified();
- clearItems();
u32 item_i = 0;
m_width = 0;
- for(;;)
- {
+ while (is.good()) {
std::string line;
std::getline(is, line, '\n');
std::string name;
std::getline(iss, name, ' ');
- if (name == "EndInventoryList") {
- break;
- }
-
- // This is a temporary backwards compatibility fix
- if (name == "end") {
- break;
+ if (name == "EndInventoryList" || name == "end") {
+ // If partial incremental: Clear leftover items (should not happen!)
+ for (size_t i = item_i; i < m_items.size(); ++i)
+ m_items[i].clear();
+ return;
}
if (name == "Width") {
if(item_i > getSize() - 1)
throw SerializationError("too many items");
m_items[item_i++].clear();
+ } else if (name == "Keep") {
+ ++item_i; // Unmodified item
}
}
+
+ // Contents given to deSerialize() were not terminated properly: throw error.
+
+ std::ostringstream ss;
+ ss << "Malformatted inventory list. list="
+ << m_name << ", read " << item_i << " of " << getSize()
+ << " ItemStacks." << std::endl;
+ throw SerializationError(ss.str());
}
InventoryList::InventoryList(const InventoryList &other)
return false;
if(m_name != other.m_name)
return false;
- for(u32 i=0; i<m_items.size(); i++)
- {
- ItemStack s1 = m_items[i];
- ItemStack s2 = other.m_items[i];
- if(s1.name != s2.name || s1.wear!= s2.wear || s1.count != s2.count ||
- s1.metadata != s2.metadata)
+ for (u32 i = 0; i < m_items.size(); i++)
+ if (m_items[i] != other.m_items[i])
return false;
- }
return true;
}
ItemStack olditem = m_items[i];
m_items[i] = newitem;
- //setDirty(true);
+ setModified();
return olditem;
}
{
assert(i < m_items.size()); // Pre-condition
m_items[i].clear();
+ setModified();
}
ItemStack InventoryList::addItem(const ItemStack &newitem_)
return newitem;
ItemStack leftover = m_items[i].addItem(newitem, m_itemdef);
- //if(leftover != newitem)
- // setDirty(true);
+ if (leftover != newitem)
+ setModified();
return leftover;
}
for (auto i = m_items.rbegin(); i != m_items.rend(); ++i) {
if (i->name == item.name) {
u32 still_to_remove = item.count - removed.count;
- removed.addItem(i->takeItem(still_to_remove), m_itemdef);
+ ItemStack leftover = removed.addItem(i->takeItem(still_to_remove),
+ m_itemdef);
+ // Allow oversized stacks
+ removed.count += leftover.count;
+
if (removed.count == item.count)
break;
}
}
+ if (!removed.empty())
+ setModified();
return removed;
}
return ItemStack();
ItemStack taken = m_items[i].takeItem(takecount);
- //if(!taken.empty())
- // setDirty(true);
+ if (!taken.empty())
+ setModified();
return taken;
}
if (item1.empty())
return;
- // Try to add the item to destination list
- u32 dest_size = dest->getSize();
- // First try all the non-empty slots
- for (u32 dest_i = 0; dest_i < dest_size; dest_i++) {
- if (!m_items[dest_i].empty()) {
- item1 = dest->addItem(dest_i, item1);
- if (item1.empty()) return;
- }
- }
+ ItemStack leftover;
+ leftover = dest->addItem(item1);
- // Then try all the empty ones
- for (u32 dest_i = 0; dest_i < dest_size; dest_i++) {
- if (m_items[dest_i].empty()) {
- item1 = dest->addItem(dest_i, item1);
- if (item1.empty()) return;
- }
+ if (!leftover.empty()) {
+ // Add the remaining part back to the source item
+ addItem(i, leftover);
}
-
- // If we reach this, the item was not fully added
- // Add the remaining part back to the source item
- addItem(i, item1);
}
u32 InventoryList::moveItem(u32 i, InventoryList *dest, u32 dest_i,
void Inventory::clear()
{
- m_dirty = true;
for (auto &m_list : m_lists) {
delete m_list;
}
m_lists.clear();
-}
-
-void Inventory::clearContents()
-{
- m_dirty = true;
- for (InventoryList *list : m_lists) {
- for (u32 j=0; j<list->getSize(); j++) {
- list->deleteItem(j);
- }
- }
+ setModified();
}
Inventory::Inventory(IItemDefManager *itemdef)
{
- m_dirty = false;
m_itemdef = itemdef;
+ setModified();
}
Inventory::Inventory(const Inventory &other)
{
*this = other;
- m_dirty = false;
}
Inventory & Inventory::operator = (const Inventory &other)
// Gracefully handle self assignment
if(this != &other)
{
- m_dirty = true;
clear();
m_itemdef = other.m_itemdef;
for (InventoryList *list : other.m_lists) {
m_lists.push_back(new InventoryList(*list));
}
+ setModified();
}
return *this;
}
return true;
}
-void Inventory::serialize(std::ostream &os) const
+void Inventory::serialize(std::ostream &os, bool incremental) const
{
- for (InventoryList *list : m_lists) {
- os<<"List "<<list->getName()<<" "<<list->getSize()<<"\n";
- list->serialize(os);
+ //std::cout << "Serialize " << (int)incremental << ", n=" << m_lists.size() << std::endl;
+ for (const InventoryList *list : m_lists) {
+ if (!incremental || list->checkModified()) {
+ os << "List " << list->getName() << " " << list->getSize() << "\n";
+ list->serialize(os, incremental);
+ } else {
+ os << "KeepList " << list->getName() << "\n";
+ }
}
os<<"EndInventory\n";
void Inventory::deSerialize(std::istream &is)
{
- clear();
+ std::vector<InventoryList *> new_lists;
+ new_lists.reserve(m_lists.size());
- for(;;)
- {
+ while (is.good()) {
std::string line;
std::getline(is, line, '\n');
std::string name;
std::getline(iss, name, ' ');
- if (name == "EndInventory") {
- break;
- }
+ if (name == "EndInventory" || name == "end") {
+ // Remove all lists that were not sent
+ for (auto &list : m_lists) {
+ if (std::find(new_lists.begin(), new_lists.end(), list) != new_lists.end())
+ continue;
- // This is a temporary backwards compatibility fix
- if (name == "end") {
- break;
+ delete list;
+ list = nullptr;
+ setModified();
+ }
+ m_lists.erase(std::remove(m_lists.begin(), m_lists.end(),
+ nullptr), m_lists.end());
+ return;
}
if (name == "List") {
std::getline(iss, listname, ' ');
iss>>listsize;
- InventoryList *list = new InventoryList(listname, listsize, m_itemdef);
+ InventoryList *list = getList(listname);
+ bool create_new = !list;
+ if (create_new)
+ list = new InventoryList(listname, listsize, m_itemdef);
+ else
+ list->setSize(listsize);
list->deSerialize(is);
- m_lists.push_back(list);
- }
- else
- {
- throw SerializationError("invalid inventory specifier: " + name);
+ new_lists.push_back(list);
+ if (create_new)
+ m_lists.push_back(list);
+
+ } else if (name == "KeepList") {
+ // Incrementally sent list
+ std::string listname;
+ std::getline(iss, listname, ' ');
+
+ InventoryList *list = getList(listname);
+ if (list) {
+ new_lists.push_back(list);
+ } else {
+ errorstream << "Inventory::deSerialize(): Tried to keep list '" <<
+ listname << "' which is non-existent." << std::endl;
+ }
}
+ // Any additional fields will throw errors when received by a client
+ // older than PROTOCOL_VERSION 38
}
+
+ // Contents given to deSerialize() were not terminated properly: throw error.
+
+ std::ostringstream ss;
+ ss << "Malformatted inventory (damaged?). "
+ << m_lists.size() << " lists read." << std::endl;
+ throw SerializationError(ss.str());
}
InventoryList * Inventory::addList(const std::string &name, u32 size)
{
- m_dirty = true;
+ setModified();
s32 i = getListIndex(name);
if(i != -1)
{
{
delete m_lists[i];
m_lists[i] = new InventoryList(name, size, m_itemdef);
+ m_lists[i]->setModified();
}
return m_lists[i];
}
//don't create list with invalid name
- if (name.find(' ') != std::string::npos) return NULL;
+ if (name.find(' ') != std::string::npos)
+ return nullptr;
InventoryList *list = new InventoryList(name, size, m_itemdef);
+ list->setModified();
m_lists.push_back(list);
return list;
}
s32 i = getListIndex(name);
if(i == -1)
return false;
- m_dirty = true;
+
+ setModified();
delete m_lists[i];
m_lists.erase(m_lists.begin() + i);
return true;