forked from Mirrorlandia_minetest/minetest
141 lines
4.2 KiB
C++
141 lines
4.2 KiB
C++
/*
|
|
Minetest-c55
|
|
Copyright (C) 2010-2011 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 General Public License as published by
|
|
the Free Software Foundation; either version 2 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.
|
|
|
|
You should have received a copy of the GNU 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
|
|
|
|
#include "irrlichttypes.h"
|
|
#include <string>
|
|
#include <iostream>
|
|
|
|
/*
|
|
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 IGameDef;
|
|
|
|
class NodeMetadata
|
|
{
|
|
public:
|
|
typedef NodeMetadata* (*Factory)(std::istream&, IGameDef *gamedef);
|
|
typedef NodeMetadata* (*Factory2)(IGameDef *gamedef);
|
|
|
|
NodeMetadata(IGameDef *gamedef);
|
|
virtual ~NodeMetadata();
|
|
|
|
static NodeMetadata* create(const std::string &name, IGameDef *gamedef);
|
|
static NodeMetadata* deSerialize(std::istream &is, IGameDef *gamedef);
|
|
void serialize(std::ostream &os);
|
|
|
|
virtual u16 typeId() const = 0;
|
|
virtual const char* typeName() const = 0;
|
|
virtual NodeMetadata* clone(IGameDef *gamedef) = 0;
|
|
virtual void serializeBody(std::ostream &os) = 0;
|
|
|
|
// Called on client-side; shown on screen when pointed at
|
|
virtual std::string infoText() {return "";}
|
|
|
|
//
|
|
virtual Inventory* getInventory() {return NULL;}
|
|
// Called always after the inventory is modified, before the changes
|
|
// are copied elsewhere
|
|
virtual void inventoryModified(){}
|
|
|
|
// A step in time. Shall return true if metadata changed.
|
|
virtual bool step(float dtime) {return false;}
|
|
|
|
// Whether the related node and this metadata cannot be removed
|
|
virtual bool nodeRemovalDisabled(){return false;}
|
|
// If non-empty, player can interact by using an inventory view
|
|
// See format in guiInventoryMenu.cpp.
|
|
virtual std::string getInventoryDrawSpecString(){return "";}
|
|
|
|
// If true, player can interact by writing text
|
|
virtual bool allowsTextInput(){ return false; }
|
|
// Get old text for player interaction
|
|
virtual std::string getText(){ return ""; }
|
|
// Set player-written text
|
|
virtual void setText(const std::string &t){}
|
|
|
|
// If returns non-empty, only given player can modify text/inventory
|
|
virtual std::string getOwner(){ return std::string(""); }
|
|
// The name of the player who placed the node
|
|
virtual void setOwner(std::string t){}
|
|
|
|
/* Interface for GenericNodeMetadata */
|
|
|
|
virtual void setInfoText(const std::string &text){};
|
|
virtual void setInventoryDrawSpec(const std::string &text){};
|
|
virtual void setAllowTextInput(bool b){};
|
|
|
|
virtual void setRemovalDisabled(bool b){};
|
|
virtual void setEnforceOwner(bool b){};
|
|
|
|
virtual bool isInventoryModified(){return false;};
|
|
virtual void resetInventoryModified(){};
|
|
virtual bool isTextModified(){return false;};
|
|
virtual void resetTextModified(){};
|
|
|
|
virtual void setString(const std::string &name, const std::string &var){}
|
|
virtual std::string getString(const std::string &name){return "";}
|
|
|
|
protected:
|
|
static void registerType(u16 id, const std::string &name, Factory f,
|
|
Factory2 f2);
|
|
IGameDef *m_gamedef;
|
|
private:
|
|
static core::map<u16, Factory> m_types;
|
|
static core::map<std::string, Factory2> m_names;
|
|
};
|
|
|
|
/*
|
|
List of metadata of all the nodes of a block
|
|
*/
|
|
|
|
class NodeMetadataList
|
|
{
|
|
public:
|
|
~NodeMetadataList();
|
|
|
|
void serialize(std::ostream &os);
|
|
void deSerialize(std::istream &is, IGameDef *gamedef);
|
|
|
|
// Get pointer to data
|
|
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);
|
|
|
|
private:
|
|
core::map<v3s16, NodeMetadata*> m_data;
|
|
};
|
|
|
|
#endif
|
|
|