forked from oerkki/voxelands
147 lines
4.7 KiB
C++
147 lines
4.7 KiB
C++
/************************************************************************
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* Minetest-c55
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* Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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*
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* nodemetadata.h
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* voxelands - 3d voxel world sandbox game
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* Copyright (C) Lisa 'darkrose' Milne 2014 <lisa@ltmnet.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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* License updated from GPLv2 or later to GPLv3 or later by Lisa Milne
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* for Voxelands.
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************************************************************************/
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#ifndef NODEMETADATA_HEADER
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#define NODEMETADATA_HEADER
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#include "common_irrlicht.h"
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#include <string>
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#include <iostream>
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#include <map>
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#include <vector>
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#include "mapnode.h"
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class Player;
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#define ENERGY_MAX 16
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/*
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Used for storing:
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Oven:
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- Item that is being burned
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- Burning time
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- Item stack that is being heated
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- Result item stack
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Sign:
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- Text
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*/
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class Inventory;
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class ServerEnvironment;
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class NodeMetadata
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{
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public:
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typedef NodeMetadata* (*Factory)(std::istream&);
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NodeMetadata();
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virtual ~NodeMetadata();
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static NodeMetadata* deSerialize(std::istream &is);
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void serialize(std::ostream &os);
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// This usually is the CONTENT_ value
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virtual u16 typeId() const = 0;
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virtual NodeMetadata* clone() = 0;
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virtual void serializeBody(std::ostream &os) = 0;
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virtual std::wstring infoText() {return L"";}
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virtual std::string getText() {return "";}
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virtual Inventory* getInventory() {return NULL;}
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// This is called always after the inventory is modified, before
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// the changes are copied elsewhere
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virtual void inventoryModified(){}
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// A step in time. Returns true if metadata changed.
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virtual bool step(float dtime, v3s16 pos, ServerEnvironment *env) {return false;}
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virtual bool stepCircuit(float dtime, v3s16 pos, ServerEnvironment *env) {return false;}
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virtual bool nodeRemovalDisabled(){return false;}
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// Used to make custom inventory menus.
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// See format in guiInventoryMenu.cpp.
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virtual std::string getDrawSpecString(Player *player){return "";}
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// the node owner - if not "" then only the owner can dig the node
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virtual std::string getOwner(){ return std::string(""); }
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virtual void setOwner(std::string t){ }
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// the inventory owner - if not "" then only the owner can modify
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virtual std::string getInventoryOwner(){ return std::string(""); }
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virtual void setInventoryOwner(std::string t){ }
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// receive data from the client. Returns true if metadata changed.
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virtual bool receiveFields(std::string formname, std::map<std::string, std::string> fields, Player *player) {return false;}
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// import data from another nodemetadata. Returns true if metadata changed.
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virtual bool import(NodeMetadata *meta) {return false;}
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// get nodeboxes for CDT_NODEBOX_META
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virtual std::vector<NodeBox> getNodeBoxes(MapNode &n) {return std::vector<NodeBox>();}
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// get a data value for the Meta, can be stored in InventoryItems
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virtual uint16_t getData() {return 0;}
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virtual void setData(uint16_t v) {};
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// used by tnt to arm it, but also for future circuitry
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// level is the amount of power
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// powersrc is the generator or such that created the power
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// signalsrc is the node that sent this node the energise signal
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// pos is the position of this node
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// returns false if propogation was stopped
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virtual bool energise(u8 level, v3s16 powersrc, v3s16 signalsrc, v3s16 pos) {return false;}
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virtual u8 getEnergy() {return 0;}
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virtual std::map<v3s16, u8> *getSources() {return NULL;}
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protected:
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static void registerType(u16 id, Factory f);
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private:
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static core::map<u16, Factory> m_types;
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};
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/*
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List of metadata of all the nodes of a block
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*/
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class NodeMetadataList
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{
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public:
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NodeMetadataList();
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~NodeMetadataList();
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void serialize(std::ostream &os);
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void deSerialize(std::istream &is);
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// Get pointer to data
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NodeMetadata *get(v3s16 p);
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NodeMetadata *getClone(v3s16 p);
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// Deletes data
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void remove(v3s16 p);
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// Deletes old data and sets a new one
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void set(v3s16 p, NodeMetadata *d);
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// A step in time. Returns true if something changed.
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bool step(float dtime, v3s16 blockpos_nodes, ServerEnvironment *env);
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bool stepCircuit(float dtime, v3s16 blockpos_nodes, ServerEnvironment *env);
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private:
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core::map<v3s16, NodeMetadata*> m_data;
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JMutex m_mutex;
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};
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#endif
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