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- /*
- Minetest
- Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- 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 "inventory.h"
- #include <iostream>
- #include <string>
- class ServerActiveObject;
- struct InventoryLocation
- {
- enum Type{
- UNDEFINED,
- CURRENT_PLAYER,
- PLAYER,
- NODEMETA,
- DETACHED,
- } type;
- std::string name; // PLAYER, DETACHED
- v3s16 p; // NODEMETA
- InventoryLocation()
- {
- setUndefined();
- }
- void setUndefined()
- {
- type = UNDEFINED;
- }
- void setCurrentPlayer()
- {
- type = CURRENT_PLAYER;
- }
- void setPlayer(const std::string &name_)
- {
- type = PLAYER;
- name = name_;
- }
- void setNodeMeta(const v3s16 &p_)
- {
- type = NODEMETA;
- p = p_;
- }
- void setDetached(const std::string &name_)
- {
- type = DETACHED;
- name = name_;
- }
- bool operator==(const InventoryLocation &other) const
- {
- if(type != other.type)
- return false;
- switch(type){
- case UNDEFINED:
- return false;
- case CURRENT_PLAYER:
- return true;
- case PLAYER:
- return (name == other.name);
- case NODEMETA:
- return (p == other.p);
- case DETACHED:
- return (name == other.name);
- }
- return false;
- }
- bool operator!=(const InventoryLocation &other) const
- {
- return !(*this == other);
- }
- void applyCurrentPlayer(const std::string &name_)
- {
- if(type == CURRENT_PLAYER)
- setPlayer(name_);
- }
- std::string dump() const;
- void serialize(std::ostream &os) const;
- void deSerialize(std::istream &is);
- void deSerialize(const std::string &s);
- };
- struct InventoryAction;
- class InventoryManager
- {
- public:
- InventoryManager() = default;
- virtual ~InventoryManager() = default;
- // Get an inventory (server and client)
- virtual Inventory* getInventory(const InventoryLocation &loc){return NULL;}
- // Set modified (will be saved and sent over network; only on server)
- virtual void setInventoryModified(const InventoryLocation &loc) {}
- // Send inventory action to server (only on client)
- virtual void inventoryAction(InventoryAction *a){}
- };
- enum class IAction : u16 {
- Move,
- Drop,
- Craft
- };
- struct InventoryAction
- {
- static InventoryAction *deSerialize(std::istream &is);
- virtual IAction getType() const = 0;
- virtual void serialize(std::ostream &os) const = 0;
- virtual void apply(InventoryManager *mgr, ServerActiveObject *player,
- IGameDef *gamedef) = 0;
- virtual void clientApply(InventoryManager *mgr, IGameDef *gamedef) = 0;
- virtual ~InventoryAction() = default;;
- };
- struct MoveAction
- {
- InventoryLocation from_inv;
- std::string from_list;
- s16 from_i = -1;
- InventoryLocation to_inv;
- std::string to_list;
- s16 to_i = -1;
- };
- struct IMoveAction : public InventoryAction, public MoveAction
- {
- // count=0 means "everything"
- u16 count = 0;
- bool move_somewhere = false;
- // treat these as private
- // related to movement to somewhere
- bool caused_by_move_somewhere = false;
- u32 move_count = 0;
- IMoveAction() = default;
- IMoveAction(std::istream &is, bool somewhere);
- IAction getType() const
- {
- return IAction::Move;
- }
- void serialize(std::ostream &os) const
- {
- if (!move_somewhere)
- os << "Move ";
- else
- os << "MoveSomewhere ";
- os << count << " ";
- os << from_inv.dump() << " ";
- os << from_list << " ";
- os << from_i << " ";
- os << to_inv.dump() << " ";
- os << to_list;
- if (!move_somewhere)
- os << " " << to_i;
- }
- void apply(InventoryManager *mgr, ServerActiveObject *player, IGameDef *gamedef);
- void clientApply(InventoryManager *mgr, IGameDef *gamedef);
- void swapDirections();
- void onPutAndOnTake(const ItemStack &src_item, ServerActiveObject *player) const;
- void onMove(int count, ServerActiveObject *player) const;
- int allowPut(const ItemStack &dst_item, ServerActiveObject *player) const;
- int allowTake(const ItemStack &src_item, ServerActiveObject *player) const;
- int allowMove(int try_take_count, ServerActiveObject *player) const;
- };
- struct IDropAction : public InventoryAction, public MoveAction
- {
- // count=0 means "everything"
- u16 count = 0;
- IDropAction() = default;
- IDropAction(std::istream &is);
- IAction getType() const
- {
- return IAction::Drop;
- }
- void serialize(std::ostream &os) const
- {
- os<<"Drop ";
- os<<count<<" ";
- os<<from_inv.dump()<<" ";
- os<<from_list<<" ";
- os<<from_i;
- }
- void apply(InventoryManager *mgr, ServerActiveObject *player, IGameDef *gamedef);
- void clientApply(InventoryManager *mgr, IGameDef *gamedef);
- };
- struct ICraftAction : public InventoryAction
- {
- // count=0 means "everything"
- u16 count = 0;
- InventoryLocation craft_inv;
- ICraftAction() = default;
- ICraftAction(std::istream &is);
- IAction getType() const
- {
- return IAction::Craft;
- }
- void serialize(std::ostream &os) const
- {
- os<<"Craft ";
- os<<count<<" ";
- os<<craft_inv.dump()<<" ";
- }
- void apply(InventoryManager *mgr, ServerActiveObject *player, IGameDef *gamedef);
- void clientApply(InventoryManager *mgr, IGameDef *gamedef);
- };
- // Crafting helper
- bool getCraftingResult(Inventory *inv, ItemStack &result,
- std::vector<ItemStack> &output_replacements,
- bool decrementInput, IGameDef *gamedef);
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