src/gamedef.h

   1 /*
   2 Minetest
   3 Copyright (C) 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 #pragma once
  21
  22 #include <string>
  23 #include <vector>
  24 #include "irrlichttypes.h"
  25
  26 class IItemDefManager;
  27 class IWritableItemDefManager;
  28 class NodeDefManager;
  29 class ICraftDefManager;
  30 class ITextureSource;
  31 class IShaderSource;
  32 class IRollbackManager;
  33 class EmergeManager;
  34 class Camera;
  35 class ModChannel;
  36 class ModMetadata;
  37
  38 namespace irr { namespace scene {
  39         class IAnimatedMesh;
  40         class ISceneManager;
  41 }}
  42
  43 struct ModSpec;
  44 /*
  45         An interface for fetching game-global definitions like tool and
  46         mapnode properties
  47 */
  48
  49 class IGameDef
  50 {
  51 public:
  52         // These are thread-safe IF they are not edited while running threads.
  53         // Thus, first they are set up and then they are only read.
  54         virtual IItemDefManager* getItemDefManager()=0;
  55         virtual IWritableItemDefManager* getWritableItemDefManager()=0;
  56         virtual const NodeDefManager* getNodeDefManager()=0;
  57         virtual NodeDefManager* getWritableNodeDefManager()=0;
  58         virtual ICraftDefManager* getCraftDefManager()=0;
  59
  60         // Used for keeping track of names/ids of unknown nodes
  61         virtual u16 allocateUnknownNodeId(const std::string &name)=0;
  62
  63         // Only usable on the server, and NOT thread-safe. It is usable from the
  64         // environment thread.
  65         virtual IRollbackManager* getRollbackManager() { return NULL; }
  66
  67         // Shorthands
  68         IItemDefManager  *idef()     { return getItemDefManager(); }
  69         const NodeDefManager  *ndef() { return getNodeDefManager(); }
  70         ICraftDefManager *cdef()     { return getCraftDefManager(); }
  71         IRollbackManager *rollback() { return getRollbackManager(); }
  72
  73         virtual const std::vector<ModSpec> &getMods() const = 0;
  74         virtual const ModSpec* getModSpec(const std::string &modname) const = 0;
  75         virtual std::string getWorldPath() const { return ""; }
  76         virtual std::string getModStoragePath() const = 0;
  77         virtual bool registerModStorage(ModMetadata *storage) = 0;
  78         virtual void unregisterModStorage(const std::string &name) = 0;
  79
  80         virtual bool joinModChannel(const std::string &channel) = 0;
  81         virtual bool leaveModChannel(const std::string &channel) = 0;
  82         virtual bool sendModChannelMessage(const std::string &channel,
  83                 const std::string &message) = 0;
  84         virtual ModChannel *getModChannel(const std::string &channel) = 0;
  85 };