Line data    Source code

       1             : /*
       2             : Minetest
       3             : Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
       4             : 
       5             : This program is free software; you can redistribute it and/or modify
       6             : it under the terms of the GNU Lesser General Public License as published by
       7             : the Free Software Foundation; either version 2.1 of the License, or
       8             : (at your option) any later version.
       9             : 
      10             : This program is distributed in the hope that it will be useful,
      11             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             : GNU Lesser General Public License for more details.
      14             : 
      15             : You should have received a copy of the GNU Lesser General Public License along
      16             : with this program; if not, write to the Free Software Foundation, Inc.,
      17             : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             : */
      19             : 
      20             : #ifndef NODEMETADATA_HEADER
      21             : #define NODEMETADATA_HEADER
      22             : 
      23             : #include "irr_v3d.h"
      24             : #include <iostream>
      25             : #include <vector>
      26             : #include "util/string.h"
      27             : 
      28             : /*
      29             :         NodeMetadata stores arbitary amounts of data for special blocks.
      30             :         Used for furnaces, chests and signs.
      31             : 
      32             :         There are two interaction methods: inventory menu and text input.
      33             :         Only one can be used for a single metadata, thus only inventory OR
      34             :         text input should exist in a metadata.
      35             : */
      36             : 
      37             : class Inventory;
      38             : class IGameDef;
      39             : 
      40             : class NodeMetadata
      41             : {
      42             : public:
      43             :         NodeMetadata(IGameDef *gamedef);
      44             :         ~NodeMetadata();
      45             : 
      46             :         void serialize(std::ostream &os) const;
      47             :         void deSerialize(std::istream &is);
      48             : 
      49             :         void clear();
      50             : 
      51             :         // Generic key/value store
      52             :         std::string getString(const std::string &name, unsigned short recursion = 0) const;
      53             :         void setString(const std::string &name, const std::string &var);
      54             :         // Support variable names in values
      55             :         std::string resolveString(const std::string &str, unsigned short recursion = 0) const;
      56           0 :         StringMap getStrings() const
      57             :         {
      58           0 :                 return m_stringvars;
      59             :         }
      60             : 
      61             :         // The inventory
      62           0 :         Inventory *getInventory()
      63             :         {
      64           0 :                 return m_inventory;
      65             :         }
      66             : 
      67             : private:
      68             :         StringMap m_stringvars;
      69             :         Inventory *m_inventory;
      70             : };
      71             : 
      72             : 
      73             : /*
      74             :         List of metadata of all the nodes of a block
      75             : */
      76             : 
      77         751 : class NodeMetadataList
      78             : {
      79             : public:
      80             :         ~NodeMetadataList();
      81             : 
      82             :         void serialize(std::ostream &os) const;
      83             :         void deSerialize(std::istream &is, IGameDef *gamedef);
      84             : 
      85             :         // Add all keys in this list to the vector keys
      86             :         std::vector<v3s16> getAllKeys();
      87             :         // Get pointer to data
      88             :         NodeMetadata *get(v3s16 p);
      89             :         // Deletes data
      90             :         void remove(v3s16 p);
      91             :         // Deletes old data and sets a new one
      92             :         void set(v3s16 p, NodeMetadata *d);
      93             :         // Deletes all
      94             :         void clear();
      95             : 
      96             : private:
      97             :         std::map<v3s16, NodeMetadata *> m_data;
      98             : };
      99             : 
     100             : #endif
     101             :