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/*
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
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 Lesser General Public License for more details.
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.
*/
#pragma once
#include <unordered_set>
#include "metadata.h"
/*
NodeMetadata stores arbitary amounts of data for special blocks.
Used for furnaces, chests and signs.
There are two interaction methods: inventory menu and text input.
Only one can be used for a single metadata, thus only inventory OR
text input should exist in a metadata.
*/
class Inventory;
class IItemDefManager;
class NodeMetadata : public Metadata
{
public:
NodeMetadata(IItemDefManager *item_def_mgr);
~NodeMetadata();
void serialize(std::ostream &os, u8 version, bool disk=true) const;
void deSerialize(std::istream &is, u8 version);
void clear();
bool empty() const;
// The inventory
Inventory *getInventory()
{
return m_inventory;
}
inline bool isPrivate(const std::string &name) const
{
return m_privatevars.count(name) != 0;
}
void markPrivate(const std::string &name, bool set);
private:
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, 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);
// Deletes data
void remove(v3s16 p);
// Deletes old data and sets a new one
void set(v3s16 p, NodeMetadata *d);
// Deletes all
void clear();
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;
};
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