X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fnodemetadata.h;h=c028caf88666447e9d30fd80e8ea356e4641a26f;hb=79414aa3e5591fdaffa0956a08610a2228042941;hp=de682f9b61561374a92ef80769e33f47ab335295;hpb=9d09103e481c4979ebb0130a9dee6265d0d6223b;p=minetest.git diff --git a/src/nodemetadata.h b/src/nodemetadata.h index de682f9b6..c028caf88 100644 --- a/src/nodemetadata.h +++ b/src/nodemetadata.h @@ -1,102 +1,117 @@ /* -Minetest-c55 -Copyright (C) 2010-2011 celeron55, Perttu Ahola +Minetest +Copyright (C) 2010-2013 celeron55, Perttu Ahola This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or +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 General Public License for more details. +GNU Lesser General Public License for more details. -You should have received a copy of the GNU General Public License along +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. */ -#ifndef NODEMETADATA_HEADER -#define NODEMETADATA_HEADER +#pragma once -#include "common_irrlicht.h" -#include -#include +#include +#include "metadata.h" /* - Used for storing: - - Oven: - - Item that is being burned - - Burning time - - Item stack that is being heated - - Result item stack - - Sign: - - Text + NodeMetadata stores arbitary amounts of data for special blocks. + Used for furnaces, chests and signs. + + There are two interaction methods: inventory menu and text input. + Only one can be used for a single metadata, thus only inventory OR + text input should exist in a metadata. */ class Inventory; +class IItemDefManager; -class NodeMetadata +class NodeMetadata : public Metadata { public: - typedef NodeMetadata* (*Factory)(std::istream&); - - NodeMetadata(); - virtual ~NodeMetadata(); - - static NodeMetadata* deSerialize(std::istream &is); - void serialize(std::ostream &os); - - // This usually is the CONTENT_ value - virtual u16 typeId() const = 0; - virtual NodeMetadata* clone() = 0; - virtual void serializeBody(std::ostream &os) = 0; - virtual std::string infoText() {return "";} - virtual Inventory* getInventory() {return NULL;} - // This is called always after the inventory is modified, before - // the changes are copied elsewhere - virtual void inventoryModified(){} - // A step in time. Returns true if metadata changed. - virtual bool step(float dtime) {return false;} - virtual bool nodeRemovalDisabled(){return false;} - // Used to make custom inventory menus. - // See format in guiInventoryMenu.cpp. - virtual std::string getInventoryDrawSpecString(){return "";} - -protected: - static void registerType(u16 id, Factory f); + NodeMetadata(IItemDefManager *item_def_mgr); + ~NodeMetadata(); + + void serialize(std::ostream &os, u8 version, bool disk=true) const; + void deSerialize(std::istream &is, u8 version); + + void clear(); + bool empty() const; + + // The inventory + Inventory *getInventory() + { + return m_inventory; + } + + inline bool isPrivate(const std::string &name) const + { + return m_privatevars.count(name) != 0; + } + void markPrivate(const std::string &name, bool set); + private: - static core::map m_types; + int countNonPrivate() const; + + Inventory *m_inventory; + std::unordered_set m_privatevars; }; + /* List of metadata of all the nodes of a block */ +typedef std::map NodeMetadataMap; + class NodeMetadataList { public: + NodeMetadataList(bool is_metadata_owner = true) : + m_is_metadata_owner(is_metadata_owner) + {} + ~NodeMetadataList(); - void serialize(std::ostream &os); - void deSerialize(std::istream &is); - + void serialize(std::ostream &os, u8 blockver, bool disk = true, + bool absolute_pos = false) const; + void deSerialize(std::istream &is, IItemDefManager *item_def_mgr, + bool absolute_pos = false); + + // Add all keys in this list to the vector keys + std::vector getAllKeys(); // Get pointer to data - NodeMetadata* get(v3s16 p); + NodeMetadata *get(v3s16 p); // Deletes data void remove(v3s16 p); // Deletes old data and sets a new one void set(v3s16 p, NodeMetadata *d); - - // A step in time. Returns true if something changed. - bool step(float dtime); + // Deletes all + void clear(); -private: - core::map m_data; -}; + size_t size() const { return m_data.size(); } -#endif + NodeMetadataMap::const_iterator begin() + { + return m_data.begin(); + } + NodeMetadataMap::const_iterator end() + { + return m_data.end(); + } + +private: + int countNonEmpty() const; + + bool m_is_metadata_owner; + NodeMetadataMap m_data; +};