serverinventorymgr.h

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/*
Minetest
Copyright (C) 2010-2020 Minetest core development team
 
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 "inventorymanager.h"
#include <cassert>
#include <functional>
#include <memory>
#include <unordered_map>
 
class IItemDefManager;
class ServerEnvironment;
 
class ServerInventoryManager : public InventoryManager
{
public:
    ServerInventoryManager();
    virtual ~ServerInventoryManager() = default;
 
    void setEnv(ServerEnvironment *env)
    {
        assert(!m_env);
        m_env = env;
    }
 
    // virtual: Overwritten by MockInventoryManager for the unittests
    virtual Inventory *getInventory(const InventoryLocation &loc);
    virtual void setInventoryModified(const InventoryLocation &loc);
 
    // Creates or resets inventory
    Inventory *createDetachedInventory(const std::string &name, IItemDefManager *idef,
            const std::string &player = "");
    bool removeDetachedInventory(const std::string &name);
    bool checkDetachedInventoryAccess(const InventoryLocation &loc, const std::string &player) const;
 
    void sendDetachedInventories(const std::string &peer_name, bool incremental,
            std::function<void(const std::string &, Inventory *)> apply_cb);
 
protected:
    struct DetachedInventory
    {
        std::unique_ptr<Inventory> inventory;
        std::string owner;
    };
 
    ServerEnvironment *m_env = nullptr;
 
    std::unordered_map<std::string, DetachedInventory> m_detached_inventories;
};