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118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
/*
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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
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include <unordered_set>
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#include "metadata.h"
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/*
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NodeMetadata stores arbitary amounts of data for special blocks.
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Used for furnaces, chests and signs.
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There are two interaction methods: inventory menu and text input.
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Only one can be used for a single metadata, thus only inventory OR
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text input should exist in a metadata.
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*/
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class Inventory;
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class IItemDefManager;
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class NodeMetadata : public SimpleMetadata
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{
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public:
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NodeMetadata(IItemDefManager *item_def_mgr);
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~NodeMetadata();
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void serialize(std::ostream &os, u8 version, bool disk=true) const;
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void deSerialize(std::istream &is, u8 version);
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void clear();
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bool empty() const;
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// The inventory
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Inventory *getInventory()
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{
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return m_inventory;
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}
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inline bool isPrivate(const std::string &name) const
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{
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return m_privatevars.count(name) != 0;
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}
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void markPrivate(const std::string &name, bool set);
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private:
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int countNonPrivate() const;
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Inventory *m_inventory;
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std::unordered_set<std::string> m_privatevars;
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};
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/*
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List of metadata of all the nodes of a block
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*/
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typedef std::map<v3s16, NodeMetadata *> NodeMetadataMap;
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class NodeMetadataList
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{
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public:
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NodeMetadataList(bool is_metadata_owner = true) :
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m_is_metadata_owner(is_metadata_owner)
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{}
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~NodeMetadataList();
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void serialize(std::ostream &os, u8 blockver, bool disk = true,
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bool absolute_pos = false, bool include_empty = false) const;
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void deSerialize(std::istream &is, IItemDefManager *item_def_mgr,
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bool absolute_pos = false);
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// Add all keys in this list to the vector keys
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std::vector<v3s16> getAllKeys();
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// Get pointer to data
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NodeMetadata *get(v3s16 p);
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// Deletes data
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void remove(v3s16 p);
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// Deletes old data and sets a new one
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void set(v3s16 p, NodeMetadata *d);
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// Deletes all
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void clear();
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size_t size() const { return m_data.size(); }
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NodeMetadataMap::const_iterator begin()
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{
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return m_data.begin();
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}
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NodeMetadataMap::const_iterator end()
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{
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return m_data.end();
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}
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private:
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int countNonEmpty() const;
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bool m_is_metadata_owner;
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NodeMetadataMap m_data;
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};
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