/*
-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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef NODEMETADATA_HEADER
-#define NODEMETADATA_HEADER
+#pragma once
-#include "irrlichttypes.h"
-#include <string>
-#include <iostream>
-#include <map>
+#include <unordered_set>
+#include "metadata.h"
/*
NodeMetadata stores arbitary amounts of data for special blocks.
*/
class Inventory;
-class IGameDef;
+class IItemDefManager;
-class NodeMetadata
+class NodeMetadata : public Metadata
{
public:
- NodeMetadata(IGameDef *gamedef);
+ NodeMetadata(IItemDefManager *item_def_mgr);
~NodeMetadata();
-
- void serialize(std::ostream &os) const;
- void deSerialize(std::istream &is);
-
+
+ void serialize(std::ostream &os, u8 version, bool disk=true) const;
+ void deSerialize(std::istream &is, u8 version);
+
void clear();
+ bool empty() const;
- // Generic key/value store
- std::string getString(const std::string &name) const
- {
- std::map<std::string, std::string>::const_iterator i;
- i = m_stringvars.find(name);
- if(i == m_stringvars.end())
- return "";
- return i->second;
- }
- void setString(const std::string &name, const std::string &var)
- {
- if(var.empty())
- m_stringvars.erase(name);
- else
- m_stringvars[name] = var;
- }
- std::map<std::string, std::string> getStrings() const
+ // The inventory
+ Inventory *getInventory()
{
- return m_stringvars;
+ return m_inventory;
}
- // The inventory
- Inventory* getInventory()
+ inline bool isPrivate(const std::string &name) const
{
- return m_inventory;
+ return m_privatevars.count(name) != 0;
}
+ void markPrivate(const std::string &name, bool set);
private:
- std::map<std::string, std::string> m_stringvars;
+ int countNonPrivate() const;
+
Inventory *m_inventory;
+ std::unordered_set<std::string> m_privatevars;
};
List of metadata of all the nodes of a block
*/
+typedef std::map<v3s16, NodeMetadata *> NodeMetadataMap;
+
class NodeMetadataList
{
public:
+ NodeMetadataList(bool is_metadata_owner = true) :
+ m_is_metadata_owner(is_metadata_owner)
+ {}
+
~NodeMetadataList();
- void serialize(std::ostream &os) const;
- void deSerialize(std::istream &is, IGameDef *gamedef);
-
+ void serialize(std::ostream &os, u8 blockver, bool disk = true,
+ bool absolute_pos = false) const;
+ void deSerialize(std::istream &is, IItemDefManager *item_def_mgr,
+ bool absolute_pos = false);
+
+ // Add all keys in this list to the vector keys
+ std::vector<v3s16> getAllKeys();
// Get pointer to data
- NodeMetadata* get(v3s16 p);
+ NodeMetadata *get(v3s16 p);
// Deletes data
void remove(v3s16 p);
// Deletes old data and sets a new one
void set(v3s16 p, NodeMetadata *d);
// Deletes all
void clear();
-
-private:
- std::map<v3s16, NodeMetadata*> m_data;
-};
-#endif
+ size_t size() const { return m_data.size(); }
+
+ NodeMetadataMap::const_iterator begin()
+ {
+ return m_data.begin();
+ }
+
+ NodeMetadataMap::const_iterator end()
+ {
+ return m_data.end();
+ }
+
+private:
+ int countNonEmpty() const;
+ bool m_is_metadata_owner;
+ NodeMetadataMap m_data;
+};