minetest/src/nodemetadata.h

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/*
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Minetest
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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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
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(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.
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You should have received a copy of the GNU Lesser General Public License along
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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
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#include "metadata.h"
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/*
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NodeMetadata stores arbitary amounts of data for special blocks.
Used for furnaces, chests and signs.
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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.
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*/
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class Inventory;
class IItemDefManager;
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class NodeMetadata : public Metadata
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{
public:
NodeMetadata(IItemDefManager *item_def_mgr);
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~NodeMetadata();
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void serialize(std::ostream &os) const;
void deSerialize(std::istream &is);
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void clear();
bool empty() const;
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// The inventory
Inventory *getInventory()
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{
return m_inventory;
}
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private:
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Inventory *m_inventory;
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};
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/*
List of metadata of all the nodes of a block
*/
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class NodeMetadataList
{
public:
~NodeMetadataList();
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void serialize(std::ostream &os) const;
void deSerialize(std::istream &is, IItemDefManager *item_def_mgr);
// Add all keys in this list to the vector keys
std::vector<v3s16> getAllKeys();
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// Get pointer to data
NodeMetadata *get(v3s16 p);
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// Deletes data
void remove(v3s16 p);
// Deletes old data and sets a new one
void set(v3s16 p, NodeMetadata *d);
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// Deletes all
void clear();
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private:
int countNonEmpty() const;
std::map<v3s16, NodeMetadata *> m_data;
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};
#endif