/*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
#include <sstream>
#include "log.h"
#include "itemdef.h"
-#include "strfnd.h"
+#include "util/strfnd.h"
#include "content_mapnode.h" // For loading legacy MaterialItems
#include "nameidmapping.h" // For loading legacy MaterialItems
#include "util/serialize.h"
return c_from;
}
-// If the string contains spaces, quotes or control characters, encodes as JSON.
-// Else returns the string unmodified.
-static std::string serializeJsonStringIfNeeded(const std::string &s)
+ItemStack::ItemStack(const std::string &name_, u16 count_,
+ u16 wear_, IItemDefManager *itemdef) :
+ name(itemdef->getAlias(name_)),
+ count(count_),
+ wear(wear_)
{
- for(size_t i = 0; i < s.size(); ++i)
- {
- if(s[i] <= 0x1f || s[i] >= 0x7f || s[i] == ' ' || s[i] == '\"')
- return serializeJsonString(s);
- }
- return s;
-}
-
-// Parses a string serialized by serializeJsonStringIfNeeded.
-static std::string deSerializeJsonStringIfNeeded(std::istream &is)
-{
- std::ostringstream tmp_os;
- bool expect_initial_quote = true;
- bool is_json = false;
- bool was_backslash = false;
- for(;;)
- {
- char c = is.get();
- if(is.eof())
- break;
- if(expect_initial_quote && c == '"')
- {
- tmp_os << c;
- is_json = true;
- }
- else if(is_json)
- {
- tmp_os << c;
- if(was_backslash)
- was_backslash = false;
- else if(c == '\\')
- was_backslash = true;
- else if(c == '"')
- break; // Found end of string
- }
- else
- {
- if(c == ' ')
- {
- // Found end of word
- is.unget();
- break;
- }
- else
- {
- tmp_os << c;
- }
- }
- expect_initial_quote = false;
- }
- if(is_json)
- {
- std::istringstream tmp_is(tmp_os.str(), std::ios::binary);
- return deSerializeJsonString(tmp_is);
- }
- else
- return tmp_os.str();
-}
-
-
-ItemStack::ItemStack(std::string name_, u16 count_,
- u16 wear_, std::string metadata_,
- IItemDefManager *itemdef)
-{
- name = itemdef->getAlias(name_);
- count = count_;
- wear = wear_;
- metadata = metadata_;
-
- if(name.empty() || count == 0)
+ if (name.empty() || count == 0)
clear();
- else if(itemdef->get(name).type == ITEM_TOOL)
+ else if (itemdef->get(name).type == ITEM_TOOL)
count = 1;
}
void ItemStack::serialize(std::ostream &os) const
{
- DSTACK(__FUNCTION_NAME);
+ DSTACK(FUNCTION_NAME);
if(empty())
return;
parts = 2;
if(wear != 0)
parts = 3;
- if(metadata != "")
+ if (!metadata.empty())
parts = 4;
os<<serializeJsonStringIfNeeded(name);
os<<" "<<count;
if(parts >= 3)
os<<" "<<wear;
- if(parts >= 4)
- os<<" "<<serializeJsonStringIfNeeded(metadata);
+ if (parts >= 4) {
+ os << " ";
+ metadata.serialize(os);
+ }
}
void ItemStack::deSerialize(std::istream &is, IItemDefManager *itemdef)
{
- DSTACK(__FUNCTION_NAME);
+ DSTACK(FUNCTION_NAME);
clear();
std::getline(is, tmp, ' ');
if(!tmp.empty())
throw SerializationError("Unexpected text after item name");
-
+
if(name == "MaterialItem")
{
// Obsoleted on 2011-07-30
// Convert old materials
if(material <= 0xff)
material = content_translate_from_19_to_internal(material);
- if(material > MAX_CONTENT)
+ if(material > 0xfff)
throw SerializationError("Too large material number");
// Convert old id to name
NameIdMapping legacy_nimap;
legacy_nimap.getName(material, name);
if(name == "")
name = "unknown_block";
- name = itemdef->getAlias(name);
+ if (itemdef)
+ name = itemdef->getAlias(name);
count = materialcount;
}
else if(name == "MaterialItem2")
is>>material;
u16 materialcount;
is>>materialcount;
- if(material > MAX_CONTENT)
+ if(material > 0xfff)
throw SerializationError("Too large material number");
// Convert old id to name
NameIdMapping legacy_nimap;
legacy_nimap.getName(material, name);
if(name == "")
name = "unknown_block";
- name = itemdef->getAlias(name);
+ if (itemdef)
+ name = itemdef->getAlias(name);
count = materialcount;
}
else if(name == "node" || name == "NodeItem" || name == "MaterialItem3"
Strfnd fnd(all);
fnd.next("\"");
// If didn't skip to end, we have ""s
- if(!fnd.atend()){
+ if(!fnd.at_end()){
name = fnd.next("\"");
} else { // No luck, just read a word then
fnd.start(all);
name = fnd.next(" ");
}
fnd.skip_over(" ");
- name = itemdef->getAlias(name);
+ if (itemdef)
+ name = itemdef->getAlias(name);
count = stoi(trim(fnd.next("")));
if(count == 0)
count = 1;
Strfnd fnd(all);
fnd.next("\"");
// If didn't skip to end, we have ""s
- if(!fnd.atend()){
+ if(!fnd.at_end()){
name = fnd.next("\"");
} else { // No luck, just read a word then
fnd.start(all);
count = 1;
// Then read wear
fnd.skip_over(" ");
- name = itemdef->getAlias(name);
+ if (itemdef)
+ name = itemdef->getAlias(name);
wear = stoi(trim(fnd.next("")));
}
else
// The real thing
// Apply item aliases
- name = itemdef->getAlias(name);
+ if (itemdef)
+ name = itemdef->getAlias(name);
// Read the count
std::string count_str;
wear = stoi(wear_str);
// Read metadata
- metadata = deSerializeJsonStringIfNeeded(is);
+ metadata.deSerialize(is);
// In case fields are added after metadata, skip space here:
//std::getline(is, tmp, ' ');
} while(false);
}
- if(name.empty() || count == 0)
+ if (name.empty() || count == 0)
clear();
- else if(itemdef->get(name).type == ITEM_TOOL)
+ else if (itemdef && itemdef->get(name).type == ITEM_TOOL)
count = 1;
}
std::string ItemStack::getItemString() const
{
- // Get item string
std::ostringstream os(std::ios::binary);
serialize(os);
return os.str();
}
+
ItemStack ItemStack::addItem(const ItemStack &newitem_,
IItemDefManager *itemdef)
{
*this = newitem;
newitem.clear();
}
- // If item name differs, bail out
- else if(name != newitem.name)
+ // If item name or metadata differs, bail out
+ else if (name != newitem.name
+ || metadata != newitem.metadata)
{
// cannot be added
}
{
newitem.clear();
}
- // If item name differs, bail out
- else if(name != newitem.name)
+ // If item name or metadata differs, bail out
+ else if (name != newitem.name
+ || metadata != newitem.metadata)
{
// cannot be added
}
Inventory
*/
-InventoryList::InventoryList(std::string name, u32 size, IItemDefManager *itemdef)
+InventoryList::InventoryList(const std::string &name, u32 size, IItemDefManager *itemdef):
+ m_name(name),
+ m_size(size),
+ m_width(0),
+ m_itemdef(itemdef)
{
- m_name = name;
- m_size = size;
- m_width = 0;
- m_itemdef = itemdef;
clearItems();
- //m_dirty = false;
}
InventoryList::~InventoryList()
void InventoryList::serialize(std::ostream &os) const
{
//os.imbue(std::locale("C"));
-
+
os<<"Width "<<m_width<<"\n";
for(u32 i=0; i<m_items.size(); i++)
return *this;
}
+bool InventoryList::operator == (const InventoryList &other) const
+{
+ if(m_size != other.m_size)
+ return false;
+ if(m_width != other.m_width)
+ 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)
+ return false;
+ }
+
+ return true;
+}
+
const std::string &InventoryList::getName() const
{
return m_name;
const ItemStack& InventoryList::getItem(u32 i) const
{
- assert(i < m_size);
+ assert(i < m_size); // Pre-condition
return m_items[i];
}
ItemStack& InventoryList::getItem(u32 i)
{
- assert(i < m_size);
+ assert(i < m_size); // Pre-condition
return m_items[i];
}
void InventoryList::deleteItem(u32 i)
{
- assert(i < m_items.size());
+ assert(i < m_items.size()); // Pre-condition
m_items[i].clear();
}
if(newitem.empty())
return newitem;
-
+
/*
First try to find if it could be added to some existing items
*/
return true;
for(std::vector<ItemStack>::const_reverse_iterator
i = m_items.rbegin();
- i != m_items.rend(); i++)
+ i != m_items.rend(); ++i)
{
if(count == 0)
break;
ItemStack removed;
for(std::vector<ItemStack>::reverse_iterator
i = m_items.rbegin();
- i != m_items.rend(); i++)
+ i != m_items.rend(); ++i)
{
if(i->name == item.name)
{
return taken;
}
-ItemStack InventoryList::peekItem(u32 i, u32 peekcount) const
+void InventoryList::moveItemSomewhere(u32 i, InventoryList *dest, u32 count)
{
- if(i >= m_items.size())
- return ItemStack();
+ // Take item from source list
+ ItemStack item1;
+ if (count == 0)
+ item1 = changeItem(i, ItemStack());
+ else
+ item1 = takeItem(i, count);
+
+ 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;
+ }
+ }
+
+ // 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;
+ }
+ }
- return m_items[i].peekItem(peekcount);
+ // If we reach this, the item was not fully added
+ // Add the remaining part back to the source item
+ addItem(i, item1);
}
-void InventoryList::moveItem(u32 i, InventoryList *dest, u32 dest_i, u32 count)
+u32 InventoryList::moveItem(u32 i, InventoryList *dest, u32 dest_i,
+ u32 count, bool swap_if_needed, bool *did_swap)
{
if(this == dest && i == dest_i)
- return;
+ return count;
// Take item from source list
ItemStack item1;
item1 = takeItem(i, count);
if(item1.empty())
- return;
+ return 0;
// Try to add the item to destination list
u32 oldcount = item1.count;
// If olditem is returned, nothing was added.
// Swap the items
- if(nothing_added)
- {
+ if (nothing_added && swap_if_needed) {
+ // Tell that we swapped
+ if (did_swap != NULL) {
+ *did_swap = true;
+ }
// Take item from source list
item1 = changeItem(i, ItemStack());
// Adding was not possible, swap the items.
changeItem(i, item2);
}
}
+ return (oldcount - item1.count);
}
/*
void Inventory::clear()
{
+ m_dirty = true;
for(u32 i=0; i<m_lists.size(); i++)
{
delete m_lists[i];
void Inventory::clearContents()
{
+ m_dirty = true;
for(u32 i=0; i<m_lists.size(); i++)
{
InventoryList *list = m_lists[i];
Inventory::Inventory(IItemDefManager *itemdef)
{
+ m_dirty = false;
m_itemdef = itemdef;
}
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(u32 i=0; i<other.m_lists.size(); i++)
return *this;
}
+bool Inventory::operator == (const Inventory &other) const
+{
+ if(m_lists.size() != other.m_lists.size())
+ return false;
+
+ for(u32 i=0; i<m_lists.size(); i++)
+ {
+ if(*m_lists[i] != *other.m_lists[i])
+ return false;
+ }
+ return true;
+}
+
void Inventory::serialize(std::ostream &os) const
{
for(u32 i=0; i<m_lists.size(); i++)
m_lists.push_back(list);
}
+ else
+ {
+ throw SerializationError("invalid inventory specifier: " + name);
+ }
}
}
InventoryList * Inventory::addList(const std::string &name, u32 size)
{
+ m_dirty = true;
s32 i = getListIndex(name);
if(i != -1)
{
}
else
{
+ //don't create list with invalid name
+ if (name.find(" ") != std::string::npos) return NULL;
+
InventoryList *list = new InventoryList(name, size, m_itemdef);
m_lists.push_back(list);
return list;
s32 i = getListIndex(name);
if(i == -1)
return false;
+ m_dirty = true;
delete m_lists[i];
m_lists.erase(m_lists.begin() + i);
return true;